diff options
| author | Harshavardhana <harsha@harshavardhana.net> | 2014-03-26 16:55:12 -0700 | 
|---|---|---|
| committer | Anand Avati <avati@redhat.com> | 2014-04-04 21:52:10 -0700 | 
| commit | b66568b6cb6694016f95e9d5a5220d3bde76907d (patch) | |
| tree | 02dd9b7cf88a65cb4b3661fbce300c733c967ccc /contrib | |
| parent | d8dd4049143c191cea451bade470b906c67dbbe0 (diff) | |
build: move argp-standalone into contrib/ directory
Change-Id: Iedcddf95c3577da644c0aebbb297b04c93f1b6fe
BUG: 1081274
Signed-off-by: Harshavardhana <harsha@harshavardhana.net>
Reviewed-on: http://review.gluster.org/7352
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/argp-standalone/Makefile.am | 38 | ||||
| -rw-r--r-- | contrib/argp-standalone/acinclude.m4 | 1084 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-ba.c | 26 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-eexst.c | 36 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-fmtstream.c | 477 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-fmtstream.h | 327 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-help.c | 1849 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-namefrob.h | 96 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-parse.c | 1305 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-pv.c | 25 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp-pvh.c | 32 | ||||
| -rw-r--r-- | contrib/argp-standalone/argp.h | 602 | ||||
| -rwxr-xr-x | contrib/argp-standalone/autogen.sh | 6 | ||||
| -rw-r--r-- | contrib/argp-standalone/configure.ac | 102 | ||||
| -rw-r--r-- | contrib/argp-standalone/mempcpy.c | 21 | ||||
| -rw-r--r-- | contrib/argp-standalone/strcasecmp.c | 29 | ||||
| -rw-r--r-- | contrib/argp-standalone/strchrnul.c | 23 | ||||
| -rw-r--r-- | contrib/argp-standalone/strndup.c | 34 | ||||
| -rw-r--r-- | contrib/argp-standalone/vsnprintf.c | 839 | 
19 files changed, 6951 insertions, 0 deletions
diff --git a/contrib/argp-standalone/Makefile.am b/contrib/argp-standalone/Makefile.am new file mode 100644 index 00000000000..4775d4876aa --- /dev/null +++ b/contrib/argp-standalone/Makefile.am @@ -0,0 +1,38 @@ +# From glibc + +# Copyright (C) 1997, 2003, 2004 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +# Library General Public License for more details. + +# You should have received a copy of the GNU Library General Public +# License along with the GNU C Library; see the file COPYING.LIB.  If +# not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +AUTOMAKE_OPTIONS = foreign +SUBDIRS = . + +LIBOBJS = @LIBOBJS@ + +noinst_LIBRARIES = libargp.a + +noinst_HEADERS = argp.h argp-fmtstream.h argp-namefrob.h + +EXTRA_DIST = mempcpy.c strchrnul.c strndup.c strcasecmp.c vsnprintf.c autogen.sh + +# Leaves out argp-fs-xinl.c and argp-xinl.c  +libargp_a_SOURCES = argp-ba.c argp-eexst.c argp-fmtstream.c \ +		    argp-help.c argp-parse.c argp-pv.c \ +		    argp-pvh.c + +libargp_a_LIBADD = $(LIBOBJS) + + diff --git a/contrib/argp-standalone/acinclude.m4 b/contrib/argp-standalone/acinclude.m4 new file mode 100644 index 00000000000..fb61e957dfa --- /dev/null +++ b/contrib/argp-standalone/acinclude.m4 @@ -0,0 +1,1084 @@ +dnl Try to detect the type of the third arg to getsockname() et al +AC_DEFUN([LSH_TYPE_SOCKLEN_T], +[AH_TEMPLATE([socklen_t], [Length type used by getsockopt]) +AC_CACHE_CHECK([for socklen_t in sys/socket.h], ac_cv_type_socklen_t, +[AC_EGREP_HEADER(socklen_t, sys/socket.h, +  [ac_cv_type_socklen_t=yes], [ac_cv_type_socklen_t=no])]) +if test $ac_cv_type_socklen_t = no; then +        AC_MSG_CHECKING(for AIX) +        AC_EGREP_CPP(yes, [ +#ifdef _AIX + yes +#endif +],[ +AC_MSG_RESULT(yes) +AC_DEFINE(socklen_t, size_t) +],[ +AC_MSG_RESULT(no) +AC_DEFINE(socklen_t, int) +]) +fi +]) + +dnl Choose cc flags for compiling position independent code +AC_DEFUN([LSH_CCPIC], +[AC_MSG_CHECKING(CCPIC) +AC_CACHE_VAL(lsh_cv_sys_ccpic,[ +  if test -z "$CCPIC" ; then +    if test "$GCC" = yes ; then +      case `uname -sr` in +	BSD/OS*) +         case `uname -r` in +           4.*) CCPIC="-fPIC";; +           *) CCPIC="";; +         esac +	;; +	Darwin*) +	  CCPIC="-fPIC" +	;; +	SunOS\ 5.*) +	  # Could also use -fPIC, if there are a large number of symbol reference +	  CCPIC="-fPIC" +	;; +	CYGWIN*) +	  CCPIC="" +	;; +	*) +	  CCPIC="-fpic" +	;; +      esac +    else +      case `uname -sr` in +	Darwin*) +	  CCPIC="-fPIC" +	;; +        IRIX*) +          CCPIC="-share" +        ;; +	hp*|HP*) CCPIC="+z"; ;; +	FreeBSD*) CCPIC="-fpic";; +	SCO_SV*) CCPIC="-KPIC -dy -Bdynamic";; +        UnixWare*|OpenUNIX*) CCPIC="-KPIC -dy -Bdynamic";; +	Solaris*) CCPIC="-KPIC -Bdynamic";; +	Windows_NT*) CCPIC="-shared" ;; +      esac +    fi +  fi +  OLD_CFLAGS="$CFLAGS" +  CFLAGS="$CFLAGS $CCPIC" +  AC_TRY_COMPILE([], [exit(0);], +    lsh_cv_sys_ccpic="$CCPIC", lsh_cv_sys_ccpic='') +  CFLAGS="$OLD_CFLAGS" +]) +CCPIC="$lsh_cv_sys_ccpic" +AC_MSG_RESULT($CCPIC) +AC_SUBST([CCPIC])]) + +dnl LSH_PATH_ADD(path-id, directory) +AC_DEFUN([LSH_PATH_ADD], +[AC_MSG_CHECKING($2) +ac_exists=no +if test -d "$2/." ; then +  ac_real_dir=`cd $2 && pwd` +  if test -n "$ac_real_dir" ; then +    ac_exists=yes +    for old in $1_REAL_DIRS ; do +      ac_found=no +      if test x$ac_real_dir = x$old ; then +        ac_found=yes; +	break; +      fi +    done +    if test $ac_found = yes ; then +      AC_MSG_RESULT(already added) +    else +      AC_MSG_RESULT(added) +      # LDFLAGS="$LDFLAGS -L $2" +      $1_REAL_DIRS="$ac_real_dir [$]$1_REAL_DIRS" +      $1_DIRS="$2 [$]$1_DIRS" +    fi +  fi +fi +if test $ac_exists = no ; then +  AC_MSG_RESULT(not found) +fi +]) + +dnl LSH_RPATH_ADD(dir) +AC_DEFUN([LSH_RPATH_ADD], [LSH_PATH_ADD(RPATH_CANDIDATE, $1)]) + +dnl LSH_RPATH_INIT(candidates) +AC_DEFUN([LSH_RPATH_INIT], +[AC_MSG_CHECKING([for -R flag]) +RPATHFLAG='' +case `uname -sr` in +  OSF1\ V4.*) +    RPATHFLAG="-rpath " +    ;; +  IRIX\ 6.*) +    RPATHFLAG="-rpath " +    ;; +  IRIX\ 5.*) +    RPATHFLAG="-rpath " +    ;; +  SunOS\ 5.*) +    if test "$TCC" = "yes"; then +      # tcc doesn't know about -R +      RPATHFLAG="-Wl,-R," +    else +      RPATHFLAG=-R +    fi +    ;; +  Linux\ 2.*) +    RPATHFLAG="-Wl,-rpath," +    ;; +  *) +    : +    ;; +esac + +if test x$RPATHFLAG = x ; then +  AC_MSG_RESULT(none) +else +  AC_MSG_RESULT([using $RPATHFLAG]) +fi + +RPATH_CANDIDATE_REAL_DIRS='' +RPATH_CANDIDATE_DIRS='' + +AC_MSG_RESULT([Searching for libraries]) + +for d in $1 ; do +  LSH_RPATH_ADD($d) +done +])     + +dnl Try to execute a main program, and if it fails, try adding some +dnl -R flag. +dnl LSH_RPATH_FIX +AC_DEFUN([LSH_RPATH_FIX], +[if test $cross_compiling = no -a "x$RPATHFLAG" != x ; then +  ac_success=no +  AC_TRY_RUN([int main(int argc, char **argv) { return 0; }], +    ac_success=yes, ac_success=no, :) +   +  if test $ac_success = no ; then +    AC_MSG_CHECKING([Running simple test program failed. Trying -R flags]) +dnl echo RPATH_CANDIDATE_DIRS = $RPATH_CANDIDATE_DIRS +    ac_remaining_dirs='' +    ac_rpath_save_LDFLAGS="$LDFLAGS" +    for d in $RPATH_CANDIDATE_DIRS ; do +      if test $ac_success = yes ; then +  	ac_remaining_dirs="$ac_remaining_dirs $d" +      else +  	LDFLAGS="$RPATHFLAG$d $LDFLAGS" +dnl echo LDFLAGS = $LDFLAGS +  	AC_TRY_RUN([int main(int argc, char **argv) { return 0; }], +  	  [ac_success=yes +  	  ac_rpath_save_LDFLAGS="$LDFLAGS" +  	  AC_MSG_RESULT([adding $RPATHFLAG$d]) +  	  ], +  	  [ac_remaining_dirs="$ac_remaining_dirs $d"], :) +  	LDFLAGS="$ac_rpath_save_LDFLAGS" +      fi +    done +    RPATH_CANDIDATE_DIRS=$ac_remaining_dirs +  fi +  if test $ac_success = no ; then +    AC_MSG_RESULT(failed) +  fi +fi +]) + +dnl Like AC_CHECK_LIB, but uses $KRB_LIBS rather than $LIBS. +dnl LSH_CHECK_KRB_LIB(LIBRARY, FUNCTION, [, ACTION-IF-FOUND [, +dnl                  ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]]) + +AC_DEFUN([LSH_CHECK_KRB_LIB], +[AC_CHECK_LIB([$1], [$2], +  ifelse([$3], , +      [[ac_tr_lib=HAVE_LIB`echo $1 | sed -e 's/[^a-zA-Z0-9_]/_/g' \ +     	    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'` +        AC_DEFINE_UNQUOTED($ac_tr_lib) +        KRB_LIBS="-l$1 $KRB_LIBS" +      ]], [$3]), +  ifelse([$4], , , [$4 +])dnl +, [$5 $KRB_LIBS]) +]) + +dnl LSH_LIB_ARGP(ACTION-IF-OK, ACTION-IF-BAD) +AC_DEFUN([LSH_LIB_ARGP], +[ ac_argp_save_LIBS="$LIBS" +  ac_argp_save_LDFLAGS="$LDFLAGS" +  ac_argp_ok=no +  # First check if we can link with argp. +  AC_SEARCH_LIBS(argp_parse, argp, +  [ LSH_RPATH_FIX +    AC_CACHE_CHECK([for working argp], +      lsh_cv_lib_argp_works, +      [ AC_TRY_RUN( +[#include <argp.h> +#include <stdlib.h> + +static const struct argp_option +options[] = +{ +  { NULL, 0, NULL, 0, NULL, 0 } +}; + +struct child_state +{ +  int n; +}; + +static error_t +child_parser(int key, char *arg, struct argp_state *state) +{ +  struct child_state *input = (struct child_state *) state->input; +   +  switch(key) +    { +    default: +      return ARGP_ERR_UNKNOWN; +    case ARGP_KEY_END: +      if (!input->n) +	input->n = 1; +      break; +    } +  return 0; +} + +const struct argp child_argp = +{ +  options, +  child_parser, +  NULL, NULL, NULL, NULL, NULL +}; + +struct main_state +{ +  struct child_state child; +  int m; +}; + +static error_t +main_parser(int key, char *arg, struct argp_state *state) +{ +  struct main_state *input = (struct main_state *) state->input; + +  switch(key) +    { +    default: +      return ARGP_ERR_UNKNOWN; +    case ARGP_KEY_INIT: +      state->child_inputs[0] = &input->child; +      break; +    case ARGP_KEY_END: +      if (!input->m) +	input->m = input->child.n; +       +      break; +    } +  return 0; +} + +static const struct argp_child +main_children[] = +{ +  { &child_argp, 0, "", 0 }, +  { NULL, 0, NULL, 0} +}; + +static const struct argp +main_argp = +{ options, main_parser,  +  NULL, +  NULL, +  main_children, +  NULL, NULL +}; + +int main(int argc, char **argv) +{ +  struct main_state input = { { 0 }, 0 }; +  char *v[2] = { "foo", NULL }; + +  argp_parse(&main_argp, 1, v, 0, NULL, &input); + +  if ( (input.m == 1) && (input.child.n == 1) ) +    return 0; +  else +    return 1; +} +], lsh_cv_lib_argp_works=yes, +   lsh_cv_lib_argp_works=no, +   lsh_cv_lib_argp_works=no)]) + +  if test x$lsh_cv_lib_argp_works = xyes ; then +    ac_argp_ok=yes +  else +    # Reset link flags +    LIBS="$ac_argp_save_LIBS" +    LDFLAGS="$ac_argp_save_LDFLAGS" +  fi]) + +  if test x$ac_argp_ok = xyes ; then +    ifelse([$1],, true, [$1]) +  else +    ifelse([$2],, true, [$2]) +  fi    +]) + +dnl LSH_GCC_ATTRIBUTES +dnl Check for gcc's __attribute__ construction + +AC_DEFUN([LSH_GCC_ATTRIBUTES], +[AC_CACHE_CHECK(for __attribute__, +	       lsh_cv_c_attribute, +[ AC_TRY_COMPILE([ +#include <stdlib.h> +], +[ +static void foo(void) __attribute__ ((noreturn)); + +static void __attribute__ ((noreturn)) +foo(void) +{ +  exit(1); +} +], +lsh_cv_c_attribute=yes, +lsh_cv_c_attribute=no)]) + +AH_TEMPLATE([HAVE_GCC_ATTRIBUTE], [Define if the compiler understands __attribute__]) +if test "x$lsh_cv_c_attribute" = "xyes"; then +  AC_DEFINE(HAVE_GCC_ATTRIBUTE) +fi + +AH_BOTTOM( +[#if __GNUC__ || HAVE_GCC_ATTRIBUTE +# define NORETURN __attribute__ ((__noreturn__)) +# define PRINTF_STYLE(f, a) __attribute__ ((__format__ (__printf__, f, a))) +# define UNUSED __attribute__ ((__unused__)) +#else +# define NORETURN +# define PRINTF_STYLE(f, a) +# define UNUSED +#endif +])]) + +AC_DEFUN([LSH_GCC_FUNCTION_NAME], +[# Check for gcc's __FUNCTION__ variable +AH_TEMPLATE([HAVE_GCC_FUNCTION], +	    [Define if the compiler understands __FUNCTION__]) +AH_BOTTOM( +[#if HAVE_GCC_FUNCTION +# define FUNCTION_NAME __FUNCTION__ +#else +# define FUNCTION_NAME "Unknown" +#endif +]) + +AC_CACHE_CHECK(for __FUNCTION__, +	       lsh_cv_c_FUNCTION, +  [ AC_TRY_COMPILE(, +      [ #if __GNUC__ == 3 +	#  error __FUNCTION__ is broken in gcc-3 +	#endif +        void foo(void) { char c = __FUNCTION__[0]; } ], +      lsh_cv_c_FUNCTION=yes, +      lsh_cv_c_FUNCTION=no)]) + +if test "x$lsh_cv_c_FUNCTION" = "xyes"; then +  AC_DEFINE(HAVE_GCC_FUNCTION) +fi +]) + +# Check for alloca, and include the standard blurb in config.h +AC_DEFUN([LSH_FUNC_ALLOCA], +[AC_FUNC_ALLOCA +AC_CHECK_HEADERS([malloc.h]) +AH_BOTTOM( +[/* AIX requires this to be the first thing in the file.  */ +#ifndef __GNUC__ +# if HAVE_ALLOCA_H +#  include <alloca.h> +# else +#  ifdef _AIX + #pragma alloca +#  else +#   ifndef alloca /* predefined by HP cc +Olibcalls */ +char *alloca (); +#   endif +#  endif +# endif +#else /* defined __GNUC__ */ +# if HAVE_ALLOCA_H +#  include <alloca.h> +# endif +#endif +/* Needed for alloca on windows */ +#if HAVE_MALLOC_H +# include <malloc.h> +#endif +])]) + +AC_DEFUN([LSH_FUNC_STRERROR], +[AC_CHECK_FUNCS(strerror) +AH_BOTTOM( +[#if HAVE_STRERROR +#define STRERROR strerror +#else +#define STRERROR(x) (sys_errlist[x]) +#endif +])]) + +AC_DEFUN([LSH_FUNC_STRSIGNAL], +[AC_CHECK_FUNCS(strsignal) +AC_CHECK_DECLS([sys_siglist, _sys_siglist]) +AH_BOTTOM( +[#if HAVE_STRSIGNAL +# define STRSIGNAL strsignal +#else /* !HAVE_STRSIGNAL */ +# if HAVE_DECL_SYS_SIGLIST +#  define STRSIGNAL(x) (sys_siglist[x]) +# else +#  if HAVE_DECL__SYS_SIGLIST +#   define STRSIGNAL(x) (_sys_siglist[x]) +#  else +#   define STRSIGNAL(x) "Unknown signal" +#   if __GNUC__ +#    warning Using dummy STRSIGNAL +#   endif +#  endif +# endif +#endif /* !HAVE_STRSIGNAL */ +])]) + +dnl LSH_MAKE_CONDITIONAL(symbol, test) +AC_DEFUN([LSH_MAKE_CONDITIONAL], +[if $2 ; then +  IF_$1='' +  UNLESS_$1='# ' +else +  IF_$1='# ' +  UNLESS_$1='' +fi  +AC_SUBST(IF_$1) +AC_SUBST(UNLESS_$1)]) + +dnl LSH_DEPENDENCY_TRACKING + +dnl Defines compiler flags DEP_FLAGS to generate dependency +dnl information, and DEP_PROCESS that is any shell commands needed for +dnl massaging the dependency information further. Dependencies are +dnl generated as a side effect of compilation. Dependency files +dnl themselves are not treated as targets. + +AC_DEFUN([LSH_DEPENDENCY_TRACKING], +[AC_ARG_ENABLE(dependency_tracking, +  AC_HELP_STRING([--disable-dependency-tracking], +    [Disable dependency tracking. Dependency tracking doesn't work with BSD make]),, +  [enable_dependency_tracking=yes]) + +DEP_FLAGS='' +DEP_PROCESS='true' +if test x$enable_dependency_tracking = xyes ; then +  if test x$GCC = xyes ; then +    gcc_version=`gcc --version | head -1` +    case "$gcc_version" in +      2.*|*[[!0-9.]]2.*) +        enable_dependency_tracking=no +        AC_MSG_WARN([Dependency tracking disabled, gcc-3.x is needed]) +      ;; +      *) +        DEP_FLAGS='-MT $[]@ -MD -MP -MF $[]@.d' +        DEP_PROCESS='true' +      ;; +    esac +  else +    enable_dependency_tracking=no +    AC_MSG_WARN([Dependency tracking disabled]) +  fi +fi + +if test x$enable_dependency_tracking = xyes ; then +  DEP_INCLUDE='include ' +else +  DEP_INCLUDE='# ' +fi + +AC_SUBST([DEP_INCLUDE]) +AC_SUBST([DEP_FLAGS]) +AC_SUBST([DEP_PROCESS])]) + +dnl @synopsis AX_CREATE_STDINT_H [( HEADER-TO-GENERATE [, HEADERS-TO-CHECK])] +dnl +dnl the "ISO C9X: 7.18 Integer types <stdint.h>" section requires the +dnl existence of an include file <stdint.h> that defines a set of  +dnl typedefs, especially uint8_t,int32_t,uintptr_t. +dnl Many older installations will not provide this file, but some will +dnl have the very same definitions in <inttypes.h>. In other enviroments +dnl we can use the inet-types in <sys/types.h> which would define the +dnl typedefs int8_t and u_int8_t respectivly. +dnl +dnl This macros will create a local "_stdint.h" or the headerfile given as  +dnl an argument. In many cases that file will just "#include <stdint.h>"  +dnl or "#include <inttypes.h>", while in other environments it will provide  +dnl the set of basic 'stdint's definitions/typedefs:  +dnl   int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,intptr_t,uintptr_t +dnl   int_least32_t.. int_fast32_t.. intmax_t +dnl which may or may not rely on the definitions of other files, +dnl or using the AC_CHECK_SIZEOF macro to determine the actual +dnl sizeof each type. +dnl +dnl if your header files require the stdint-types you will want to create an +dnl installable file mylib-int.h that all your other installable header +dnl may include. So if you have a library package named "mylib", just use +dnl      AX_CREATE_STDINT_H(mylib-int.h)  +dnl in configure.ac and go to install that very header file in Makefile.am +dnl along with the other headers (mylib.h) - and the mylib-specific headers +dnl can simply use "#include <mylib-int.h>" to obtain the stdint-types. +dnl +dnl Remember, if the system already had a valid <stdint.h>, the generated +dnl file will include it directly. No need for fuzzy HAVE_STDINT_H things... +dnl +dnl @, (status: used on new platforms) (see http://ac-archive.sf.net/gstdint/) +dnl @version $Id: acinclude.m4,v 1.27 2004/11/23 21:27:35 nisse Exp $ +dnl @author  Guido Draheim <guidod@gmx.de>  + +AC_DEFUN([AX_CREATE_STDINT_H], +[# ------ AX CREATE STDINT H ------------------------------------- +AC_MSG_CHECKING([for stdint types]) +ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)` +# try to shortcircuit - if the default include path of the compiler +# can find a "stdint.h" header then we assume that all compilers can. +AC_CACHE_VAL([ac_cv_header_stdint_t],[ +old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS="" +old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS="" +old_CFLAGS="$CFLAGS"     ; CFLAGS="" +AC_TRY_COMPILE([#include <stdint.h>],[int_least32_t v = 0;], +[ac_cv_stdint_result="(assuming C99 compatible system)" + ac_cv_header_stdint_t="stdint.h"; ], +[ac_cv_header_stdint_t=""]) +CXXFLAGS="$old_CXXFLAGS" +CPPFLAGS="$old_CPPFLAGS" +CFLAGS="$old_CFLAGS" ]) + +v="... $ac_cv_header_stdint_h" +if test "$ac_stdint_h" = "stdint.h" ; then + AC_MSG_RESULT([(are you sure you want them in ./stdint.h?)]) +elif test "$ac_stdint_h" = "inttypes.h" ; then + AC_MSG_RESULT([(are you sure you want them in ./inttypes.h?)]) +elif test "_$ac_cv_header_stdint_t" = "_" ; then + AC_MSG_RESULT([(putting them into $ac_stdint_h)$v]) +else + ac_cv_header_stdint="$ac_cv_header_stdint_t" + AC_MSG_RESULT([$ac_cv_header_stdint (shortcircuit)]) +fi + +if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit.. + +dnl .....intro message done, now do a few system checks..... +dnl btw, all CHECK_TYPE macros do automatically "DEFINE" a type, therefore +dnl we use the autoconf implementation detail _AC CHECK_TYPE_NEW instead + +inttype_headers=`echo $2 | sed -e 's/,/ /g'` + +ac_cv_stdint_result="(no helpful system typedefs seen)" +AC_CACHE_CHECK([for stdint uintptr_t], [ac_cv_header_stdint_x],[ + ac_cv_header_stdint_x="" # the 1997 typedefs (inttypes.h) +  AC_MSG_RESULT([(..)]) +  for i in stdint.h inttypes.h sys/inttypes.h $inttype_headers ; do +   unset ac_cv_type_uintptr_t  +   unset ac_cv_type_uint64_t +   _AC_CHECK_TYPE_NEW(uintptr_t,[ac_cv_header_stdint_x=$i],dnl +     continue,[#include <$i>]) +   AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) +   ac_cv_stdint_result="(seen uintptr_t$and64 in $i)" +   break; +  done +  AC_MSG_CHECKING([for stdint uintptr_t]) + ]) + +if test "_$ac_cv_header_stdint_x" = "_" ; then +AC_CACHE_CHECK([for stdint uint32_t], [ac_cv_header_stdint_o],[ + ac_cv_header_stdint_o="" # the 1995 typedefs (sys/inttypes.h) +  AC_MSG_RESULT([(..)]) +  for i in inttypes.h sys/inttypes.h stdint.h $inttype_headers ; do +   unset ac_cv_type_uint32_t +   unset ac_cv_type_uint64_t +   AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],dnl +     continue,[#include <$i>]) +   AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) +   ac_cv_stdint_result="(seen uint32_t$and64 in $i)" +   break; +  done +  AC_MSG_CHECKING([for stdint uint32_t]) + ]) +fi + +if test "_$ac_cv_header_stdint_x" = "_" ; then +if test "_$ac_cv_header_stdint_o" = "_" ; then +AC_CACHE_CHECK([for stdint u_int32_t], [ac_cv_header_stdint_u],[ + ac_cv_header_stdint_u="" # the BSD typedefs (sys/types.h) +  AC_MSG_RESULT([(..)]) +  for i in sys/types.h inttypes.h sys/inttypes.h $inttype_headers ; do +   unset ac_cv_type_u_int32_t +   unset ac_cv_type_u_int64_t +   AC_CHECK_TYPE(u_int32_t,[ac_cv_header_stdint_u=$i],dnl +     continue,[#include <$i>]) +   AC_CHECK_TYPE(u_int64_t,[and64="/u_int64_t"],[and64=""],[#include<$i>]) +   ac_cv_stdint_result="(seen u_int32_t$and64 in $i)" +   break; +  done +  AC_MSG_CHECKING([for stdint u_int32_t]) + ]) +fi fi + +dnl if there was no good C99 header file, do some typedef checks... +if test "_$ac_cv_header_stdint_x" = "_" ; then +   AC_MSG_CHECKING([for stdint datatype model]) +   AC_MSG_RESULT([(..)]) +   AC_CHECK_SIZEOF(char) +   AC_CHECK_SIZEOF(short) +   AC_CHECK_SIZEOF(int) +   AC_CHECK_SIZEOF(long) +   AC_CHECK_SIZEOF(void*) +   ac_cv_stdint_char_model="" +   ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_char" +   ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_short" +   ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_int" +   ac_cv_stdint_long_model="" +   ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_int" +   ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_long" +   ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_voidp" +   name="$ac_cv_stdint_long_model" +   case "$ac_cv_stdint_char_model/$ac_cv_stdint_long_model" in +    122/242)     name="$name,  IP16 (standard 16bit machine)" ;; +    122/244)     name="$name,  LP32 (standard 32bit mac/win)" ;; +    122/*)       name="$name        (unusual int16 model)" ;;  +    124/444)     name="$name, ILP32 (standard 32bit unixish)" ;; +    124/488)     name="$name,  LP64 (standard 64bit unixish)" ;; +    124/448)     name="$name, LLP64 (unusual  64bit unixish)" ;; +    124/*)       name="$name        (unusual int32 model)" ;;  +    128/888)     name="$name, ILP64 (unusual  64bit numeric)" ;; +    128/*)       name="$name        (unusual int64 model)" ;;  +    222/*|444/*) name="$name        (unusual dsptype)" ;; +     *)          name="$name        (very unusal model)" ;; +   esac +   AC_MSG_RESULT([combined for stdint datatype model...  $name]) +fi + +if test "_$ac_cv_header_stdint_x" != "_" ; then +   ac_cv_header_stdint="$ac_cv_header_stdint_x" +elif  test "_$ac_cv_header_stdint_o" != "_" ; then +   ac_cv_header_stdint="$ac_cv_header_stdint_o" +elif  test "_$ac_cv_header_stdint_u" != "_" ; then +   ac_cv_header_stdint="$ac_cv_header_stdint_u" +else +   ac_cv_header_stdint="stddef.h" +fi + +AC_MSG_CHECKING([for extra inttypes in chosen header]) +AC_MSG_RESULT([($ac_cv_header_stdint)]) +dnl see if int_least and int_fast types are present in _this_ header. +unset ac_cv_type_int_least32_t +unset ac_cv_type_int_fast32_t +AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>]) +AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>]) +AC_CHECK_TYPE(intmax_t,,,[#include <$ac_cv_header_stdint>]) + +fi # shortcircut to system "stdint.h" +# ------------------ PREPARE VARIABLES ------------------------------ +if test "$GCC" = "yes" ; then +ac_cv_stdint_message="using gnu compiler "`$CC --version | head -1`  +else +ac_cv_stdint_message="using $CC" +fi + +AC_MSG_RESULT([make use of $ac_cv_header_stdint in $ac_stdint_h dnl +$ac_cv_stdint_result]) + +# ----------------- DONE inttypes.h checks START header ------------- +AC_CONFIG_COMMANDS([$ac_stdint_h],[ +AC_MSG_NOTICE(creating $ac_stdint_h : $_ac_stdint_h) +ac_stdint=$tmp/_stdint.h + +echo "#ifndef" $_ac_stdint_h >$ac_stdint +echo "#define" $_ac_stdint_h "1" >>$ac_stdint +echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint +echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint +echo "/* generated $ac_cv_stdint_message */" >>$ac_stdint +if test "_$ac_cv_header_stdint_t" != "_" ; then  +echo "#define _STDINT_HAVE_STDINT_H" "1" >>$ac_stdint +fi + +cat >>$ac_stdint <<STDINT_EOF + +/* ................... shortcircuit part ........................... */ + +#if defined HAVE_STDINT_H || defined _STDINT_HAVE_STDINT_H +#include <stdint.h> +#else +#include <stddef.h> + +/* .................... configured part ............................ */ + +STDINT_EOF + +echo "/* whether we have a C99 compatible stdint header file */" >>$ac_stdint +if test "_$ac_cv_header_stdint_x" != "_" ; then +  ac_header="$ac_cv_header_stdint_x" +  echo "#define _STDINT_HEADER_INTPTR" '"'"$ac_header"'"' >>$ac_stdint +else +  echo "/* #undef _STDINT_HEADER_INTPTR */" >>$ac_stdint +fi + +echo "/* whether we have a C96 compatible inttypes header file */" >>$ac_stdint +if  test "_$ac_cv_header_stdint_o" != "_" ; then +  ac_header="$ac_cv_header_stdint_o" +  echo "#define _STDINT_HEADER_UINT32" '"'"$ac_header"'"' >>$ac_stdint +else +  echo "/* #undef _STDINT_HEADER_UINT32 */" >>$ac_stdint +fi + +echo "/* whether we have a BSD compatible inet types header */" >>$ac_stdint +if  test "_$ac_cv_header_stdint_u" != "_" ; then +  ac_header="$ac_cv_header_stdint_u" +  echo "#define _STDINT_HEADER_U_INT32" '"'"$ac_header"'"' >>$ac_stdint +else +  echo "/* #undef _STDINT_HEADER_U_INT32 */" >>$ac_stdint +fi + +echo "" >>$ac_stdint + +if test "_$ac_header" != "_" ; then if test "$ac_header" != "stddef.h" ; then +  echo "#include <$ac_header>" >>$ac_stdint +  echo "" >>$ac_stdint +fi fi + +echo "/* which 64bit typedef has been found */" >>$ac_stdint +if test "$ac_cv_type_uint64_t" = "yes" ; then +echo "#define   _STDINT_HAVE_UINT64_T" "1"  >>$ac_stdint +else +echo "/* #undef _STDINT_HAVE_UINT64_T */" >>$ac_stdint +fi +if test "$ac_cv_type_u_int64_t" = "yes" ; then +echo "#define   _STDINT_HAVE_U_INT64_T" "1"  >>$ac_stdint +else +echo "/* #undef _STDINT_HAVE_U_INT64_T */" >>$ac_stdint +fi +echo "" >>$ac_stdint + +echo "/* which type model has been detected */" >>$ac_stdint +if test "_$ac_cv_stdint_char_model" != "_" ; then +echo "#define   _STDINT_CHAR_MODEL" "$ac_cv_stdint_char_model" >>$ac_stdint +echo "#define   _STDINT_LONG_MODEL" "$ac_cv_stdint_long_model" >>$ac_stdint +else +echo "/* #undef _STDINT_CHAR_MODEL // skipped */" >>$ac_stdint +echo "/* #undef _STDINT_LONG_MODEL // skipped */" >>$ac_stdint +fi +echo "" >>$ac_stdint + +echo "/* whether int_least types were detected */" >>$ac_stdint +if test "$ac_cv_type_int_least32_t" = "yes"; then +echo "#define   _STDINT_HAVE_INT_LEAST32_T" "1"  >>$ac_stdint +else +echo "/* #undef _STDINT_HAVE_INT_LEAST32_T */" >>$ac_stdint +fi +echo "/* whether int_fast types were detected */" >>$ac_stdint +if test "$ac_cv_type_int_fast32_t" = "yes"; then +echo "#define   _STDINT_HAVE_INT_FAST32_T" "1" >>$ac_stdint +else +echo "/* #undef _STDINT_HAVE_INT_FAST32_T */" >>$ac_stdint +fi +echo "/* whether intmax_t type was detected */" >>$ac_stdint +if test "$ac_cv_type_intmax_t" = "yes"; then +echo "#define   _STDINT_HAVE_INTMAX_T" "1" >>$ac_stdint +else +echo "/* #undef _STDINT_HAVE_INTMAX_T */" >>$ac_stdint +fi +echo "" >>$ac_stdint + +  cat >>$ac_stdint <<STDINT_EOF +/* .................... detections part ............................ */ + +/* whether we need to define bitspecific types from compiler base types */ +#ifndef _STDINT_HEADER_INTPTR +#ifndef _STDINT_HEADER_UINT32 +#ifndef _STDINT_HEADER_U_INT32 +#define _STDINT_NEED_INT_MODEL_T +#else +#define _STDINT_HAVE_U_INT_TYPES +#endif +#endif +#endif + +#ifdef _STDINT_HAVE_U_INT_TYPES +#undef _STDINT_NEED_INT_MODEL_T +#endif + +#ifdef  _STDINT_CHAR_MODEL +#if     _STDINT_CHAR_MODEL+0 == 122 || _STDINT_CHAR_MODEL+0 == 124 +#ifndef _STDINT_BYTE_MODEL +#define _STDINT_BYTE_MODEL 12 +#endif +#endif +#endif + +#ifndef _STDINT_HAVE_INT_LEAST32_T +#define _STDINT_NEED_INT_LEAST_T +#endif + +#ifndef _STDINT_HAVE_INT_FAST32_T +#define _STDINT_NEED_INT_FAST_T +#endif + +#ifndef _STDINT_HEADER_INTPTR +#define _STDINT_NEED_INTPTR_T +#ifndef _STDINT_HAVE_INTMAX_T +#define _STDINT_NEED_INTMAX_T +#endif +#endif + + +/* .................... definition part ............................ */ + +/* some system headers have good uint64_t */ +#ifndef _HAVE_UINT64_T +#if     defined _STDINT_HAVE_UINT64_T  || defined HAVE_UINT64_T +#define _HAVE_UINT64_T +#elif   defined _STDINT_HAVE_U_INT64_T || defined HAVE_U_INT64_T +#define _HAVE_UINT64_T +typedef u_int64_t uint64_t; +#endif +#endif + +#ifndef _HAVE_UINT64_T +/* .. here are some common heuristics using compiler runtime specifics */ +#if defined __STDC_VERSION__ && defined __STDC_VERSION__ >= 199901L +#define _HAVE_UINT64_T +typedef long long int64_t; +typedef unsigned long long uint64_t; + +#elif !defined __STRICT_ANSI__ +#if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__ +#define _HAVE_UINT64_T +typedef __int64 int64_t; +typedef unsigned __int64 uint64_t; + +#elif defined __GNUC__ || defined __MWERKS__ || defined __ELF__ +/* note: all ELF-systems seem to have loff-support which needs 64-bit */ +#if !defined _NO_LONGLONG +#define _HAVE_UINT64_T +typedef long long int64_t; +typedef unsigned long long uint64_t; +#endif + +#elif defined __alpha || (defined __mips && defined _ABIN32) +#if !defined _NO_LONGLONG +typedef long int64_t; +typedef unsigned long uint64_t; +#endif +  /* compiler/cpu type to define int64_t */ +#endif +#endif +#endif + +#if defined _STDINT_HAVE_U_INT_TYPES +/* int8_t int16_t int32_t defined by inet code, redeclare the u_intXX types */ +typedef u_int8_t uint8_t; +typedef u_int16_t uint16_t; +typedef u_int32_t uint32_t; + +/* glibc compatibility */ +#ifndef __int8_t_defined +#define __int8_t_defined +#endif +#endif + +#ifdef _STDINT_NEED_INT_MODEL_T +/* we must guess all the basic types. Apart from byte-adressable system, */ +/* there a few 32-bit-only dsp-systems that we guard with BYTE_MODEL 8-} */ +/* (btw, those nibble-addressable systems are way off, or so we assume) */ + +dnl   /* have a look at "64bit and data size neutrality" at */ +dnl   /* http://unix.org/version2/whatsnew/login_64bit.html */ +dnl   /* (the shorthand "ILP" types always have a "P" part) */ + +#if defined _STDINT_BYTE_MODEL +#if _STDINT_LONG_MODEL+0 == 242 +/* 2:4:2 =  IP16 = a normal 16-bit system                */ +typedef unsigned char   uint8_t; +typedef unsigned short  uint16_t; +typedef unsigned long   uint32_t; +#ifndef __int8_t_defined +#define __int8_t_defined +typedef          char    int8_t; +typedef          short   int16_t; +typedef          long    int32_t; +#endif +#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL == 444 +/* 2:4:4 =  LP32 = a 32-bit system derived from a 16-bit */ +/* 4:4:4 = ILP32 = a normal 32-bit system                */ +typedef unsigned char   uint8_t; +typedef unsigned short  uint16_t; +typedef unsigned int    uint32_t; +#ifndef __int8_t_defined +#define __int8_t_defined +typedef          char    int8_t; +typedef          short   int16_t; +typedef          int     int32_t; +#endif +#elif _STDINT_LONG_MODEL+0 == 484 || _STDINT_LONG_MODEL+0 == 488 +/* 4:8:4 =  IP32 = a 32-bit system prepared for 64-bit    */ +/* 4:8:8 =  LP64 = a normal 64-bit system                 */ +typedef unsigned char   uint8_t; +typedef unsigned short  uint16_t; +typedef unsigned int    uint32_t; +#ifndef __int8_t_defined +#define __int8_t_defined +typedef          char    int8_t; +typedef          short   int16_t; +typedef          int     int32_t; +#endif +/* this system has a "long" of 64bit */ +#ifndef _HAVE_UINT64_T +#define _HAVE_UINT64_T +typedef unsigned long   uint64_t; +typedef          long    int64_t; +#endif +#elif _STDINT_LONG_MODEL+0 == 448 +/*      LLP64   a 64-bit system derived from a 32-bit system */ +typedef unsigned char   uint8_t; +typedef unsigned short  uint16_t; +typedef unsigned int    uint32_t; +#ifndef __int8_t_defined +#define __int8_t_defined +typedef          char    int8_t; +typedef          short   int16_t; +typedef          int     int32_t; +#endif +/* assuming the system has a "long long" */ +#ifndef _HAVE_UINT64_T +#define _HAVE_UINT64_T +typedef unsigned long long uint64_t; +typedef          long long  int64_t; +#endif +#else +#define _STDINT_NO_INT32_T +#endif +#else +#define _STDINT_NO_INT8_T +#define _STDINT_NO_INT32_T +#endif +#endif + +/* + * quote from SunOS-5.8 sys/inttypes.h: + * Use at your own risk.  As of February 1996, the committee is squarely + * behind the fixed sized types; the "least" and "fast" types are still being + * discussed.  The probability that the "fast" types may be removed before + * the standard is finalized is high enough that they are not currently + * implemented. + */ + +#if defined _STDINT_NEED_INT_LEAST_T +typedef  int8_t    int_least8_t; +typedef  int16_t   int_least16_t; +typedef  int32_t   int_least32_t; +#ifdef _HAVE_UINT64_T +typedef  int64_t   int_least64_t; +#endif + +typedef uint8_t   uint_least8_t; +typedef uint16_t  uint_least16_t; +typedef uint32_t  uint_least32_t; +#ifdef _HAVE_UINT64_T +typedef uint64_t  uint_least64_t; +#endif +  /* least types */ +#endif + +#if defined _STDINT_NEED_INT_FAST_T +typedef  int8_t    int_fast8_t;  +typedef  int       int_fast16_t; +typedef  int32_t   int_fast32_t; +#ifdef _HAVE_UINT64_T +typedef  int64_t   int_fast64_t; +#endif + +typedef uint8_t   uint_fast8_t;  +typedef unsigned  uint_fast16_t; +typedef uint32_t  uint_fast32_t; +#ifdef _HAVE_UINT64_T +typedef uint64_t  uint_fast64_t; +#endif +  /* fast types */ +#endif + +#ifdef _STDINT_NEED_INTMAX_T +#ifdef _HAVE_UINT64_T +typedef  int64_t       intmax_t; +typedef uint64_t      uintmax_t; +#else +typedef          long  intmax_t; +typedef unsigned long uintmax_t; +#endif +#endif + +#ifdef _STDINT_NEED_INTPTR_T +#ifndef __intptr_t_defined +#define __intptr_t_defined +/* we encourage using "long" to store pointer values, never use "int" ! */ +#if   _STDINT_LONG_MODEL+0 == 242 || _STDINT_LONG_MODEL+0 == 484 +typedef  unsinged int   uintptr_t; +typedef           int    intptr_t; +#elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL+0 == 444 +typedef  unsigned long  uintptr_t; +typedef           long   intptr_t; +#elif _STDINT_LONG_MODEL+0 == 448 && defined _HAVE_UINT64_T +typedef        uint64_t uintptr_t; +typedef         int64_t  intptr_t; +#else /* matches typical system types ILP32 and LP64 - but not IP16 or LLP64 */ +typedef  unsigned long  uintptr_t; +typedef           long   intptr_t; +#endif +#endif +#endif + +  /* shortcircuit*/ +#endif +  /* once */ +#endif +#endif +STDINT_EOF +    if cmp -s $ac_stdint_h $ac_stdint 2>/dev/null; then +      AC_MSG_NOTICE([$ac_stdint_h is unchanged]) +    else +      ac_dir=`AS_DIRNAME(["$ac_stdint_h"])` +      AS_MKDIR_P(["$ac_dir"]) +      rm -f $ac_stdint_h +      mv $ac_stdint $ac_stdint_h +    fi +],[# variables for create stdint.h replacement +PACKAGE="$PACKAGE" +VERSION="$VERSION" +ac_stdint_h="$ac_stdint_h" +_ac_stdint_h=AS_TR_CPP(_$PACKAGE-$ac_stdint_h) +ac_cv_stdint_message="$ac_cv_stdint_message" +ac_cv_header_stdint_t="$ac_cv_header_stdint_t" +ac_cv_header_stdint_x="$ac_cv_header_stdint_x" +ac_cv_header_stdint_o="$ac_cv_header_stdint_o" +ac_cv_header_stdint_u="$ac_cv_header_stdint_u" +ac_cv_type_uint64_t="$ac_cv_type_uint64_t" +ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t" +ac_cv_stdint_char_model="$ac_cv_stdint_char_model" +ac_cv_stdint_long_model="$ac_cv_stdint_long_model" +ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t" +ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t" +ac_cv_type_intmax_t="$ac_cv_type_intmax_t" +]) +]) diff --git a/contrib/argp-standalone/argp-ba.c b/contrib/argp-standalone/argp-ba.c new file mode 100644 index 00000000000..0d3958c1151 --- /dev/null +++ b/contrib/argp-standalone/argp-ba.c @@ -0,0 +1,26 @@ +/* Default definition for ARGP_PROGRAM_BUG_ADDRESS. +   Copyright (C) 1996, 1997, 1999, 2004 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +/* If set by the user program, it should point to string that is the +   bug-reporting address for the program.  It will be printed by argp_help if +   the ARGP_HELP_BUG_ADDR flag is set (as it is by various standard help +   messages), embedded in a sentence that says something like `Report bugs to +   ADDR.'.  */ +const char *argp_program_bug_address = 0; diff --git a/contrib/argp-standalone/argp-eexst.c b/contrib/argp-standalone/argp-eexst.c new file mode 100644 index 00000000000..46b27847ad4 --- /dev/null +++ b/contrib/argp-standalone/argp-eexst.c @@ -0,0 +1,36 @@ +/* Default definition for ARGP_ERR_EXIT_STATUS +   Copyright (C) 1997 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#if HAVE_SYSEXITS_H +# include <sysexits.h> +#else +# define EX_USAGE 64 +#endif + +#include "argp.h" + +/* The exit status that argp will use when exiting due to a parsing error. +   If not defined or set by the user program, this defaults to EX_USAGE from +   <sysexits.h>.  */ +error_t argp_err_exit_status = EX_USAGE; diff --git a/contrib/argp-standalone/argp-fmtstream.c b/contrib/argp-standalone/argp-fmtstream.c new file mode 100644 index 00000000000..494b6b31d12 --- /dev/null +++ b/contrib/argp-standalone/argp-fmtstream.c @@ -0,0 +1,477 @@ +/* Word-wrapping and line-truncating streams +   Copyright (C) 1997, 1998, 1999, 2001 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +/* This package emulates glibc `line_wrap_stream' semantics for systems that +   don't have that.  */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <stdarg.h> +#include <ctype.h> + +#include "argp-fmtstream.h" +#include "argp-namefrob.h" + +#ifndef ARGP_FMTSTREAM_USE_LINEWRAP + +#ifndef isblank +#define isblank(ch) ((ch)==' ' || (ch)=='\t') +#endif + +#if defined _LIBC && defined USE_IN_LIBIO +# include <libio/libioP.h> +# define __vsnprintf(s, l, f, a) _IO_vsnprintf (s, l, f, a) +#endif + +#define INIT_BUF_SIZE 200 +#define PRINTF_SIZE_GUESS 150 + +/* Return an argp_fmtstream that outputs to STREAM, and which prefixes lines +   written on it with LMARGIN spaces and limits them to RMARGIN columns +   total.  If WMARGIN >= 0, words that extend past RMARGIN are wrapped by +   replacing the whitespace before them with a newline and WMARGIN spaces. +   Otherwise, chars beyond RMARGIN are simply dropped until a newline. +   Returns NULL if there was an error.  */ +argp_fmtstream_t +__argp_make_fmtstream (FILE *stream, +		       size_t lmargin, size_t rmargin, ssize_t wmargin) +{ +  argp_fmtstream_t fs = malloc (sizeof (struct argp_fmtstream)); +  if (fs) +    { +      fs->stream = stream; + +      fs->lmargin = lmargin; +      fs->rmargin = rmargin; +      fs->wmargin = wmargin; +      fs->point_col = 0; +      fs->point_offs = 0; + +      fs->buf = malloc (INIT_BUF_SIZE); +      if (! fs->buf) +	{ +	  free (fs); +	  fs = 0; +	} +      else +	{ +	  fs->p = fs->buf; +	  fs->end = fs->buf + INIT_BUF_SIZE; +	} +    } + +  return fs; +} +#ifdef weak_alias +weak_alias (__argp_make_fmtstream, argp_make_fmtstream) +#endif + +/* Flush FS to its stream, and free it (but don't close the stream).  */ +void +__argp_fmtstream_free (argp_fmtstream_t fs) +{ +  __argp_fmtstream_update (fs); +  if (fs->p > fs->buf) +    FWRITE_UNLOCKED (fs->buf, 1, fs->p - fs->buf, fs->stream); +  free (fs->buf); +  free (fs); +} +#ifdef weak_alias +weak_alias (__argp_fmtstream_free, argp_fmtstream_free) +#endif + +/* Process FS's buffer so that line wrapping is done from POINT_OFFS to the +   end of its buffer.  This code is mostly from glibc stdio/linewrap.c.  */ +void +__argp_fmtstream_update (argp_fmtstream_t fs) +{ +  char *buf, *nl; +  size_t len; + +  /* Scan the buffer for newlines.  */ +  buf = fs->buf + fs->point_offs; +  while (buf < fs->p) +    { +      size_t r; + +      if (fs->point_col == 0 && fs->lmargin != 0) +	{ +	  /* We are starting a new line.  Print spaces to the left margin.  */ +	  const size_t pad = fs->lmargin; +	  if (fs->p + pad < fs->end) +	    { +	      /* We can fit in them in the buffer by moving the +		 buffer text up and filling in the beginning.  */ +	      memmove (buf + pad, buf, fs->p - buf); +	      fs->p += pad; /* Compensate for bigger buffer. */ +	      memset (buf, ' ', pad); /* Fill in the spaces.  */ +	      buf += pad; /* Don't bother searching them.  */ +	    } +	  else +	    { +	      /* No buffer space for spaces.  Must flush.  */ +	      size_t i; +	      for (i = 0; i < pad; i++) +		PUTC_UNLOCKED (' ', fs->stream); +	    } +	  fs->point_col = pad; +	} + +      len = fs->p - buf; +      nl = memchr (buf, '\n', len); + +      if (fs->point_col < 0) +	fs->point_col = 0; + +      if (!nl) +	{ +	  /* The buffer ends in a partial line.  */ + +	  if (fs->point_col + len < fs->rmargin) +	    { +	      /* The remaining buffer text is a partial line and fits +		 within the maximum line width.  Advance point for the +		 characters to be written and stop scanning.  */ +	      fs->point_col += len; +	      break; +	    } +	  else +	    /* Set the end-of-line pointer for the code below to +	       the end of the buffer.  */ +	    nl = fs->p; +	} +      else if (fs->point_col + (nl - buf) < (ssize_t) fs->rmargin) +	{ +	  /* The buffer contains a full line that fits within the maximum +	     line width.  Reset point and scan the next line.  */ +	  fs->point_col = 0; +	  buf = nl + 1; +	  continue; +	} + +      /* This line is too long.  */ +      r = fs->rmargin - 1; + +      if (fs->wmargin < 0) +	{ +	  /* Truncate the line by overwriting the excess with the +	     newline and anything after it in the buffer.  */ +	  if (nl < fs->p) +	    { +	      memmove (buf + (r - fs->point_col), nl, fs->p - nl); +	      fs->p -= buf + (r - fs->point_col) - nl; +	      /* Reset point for the next line and start scanning it.  */ +	      fs->point_col = 0; +	      buf += r + 1; /* Skip full line plus \n. */ +	    } +	  else +	    { +	      /* The buffer ends with a partial line that is beyond the +		 maximum line width.  Advance point for the characters +		 written, and discard those past the max from the buffer.  */ +	      fs->point_col += len; +	      fs->p -= fs->point_col - r; +	      break; +	    } +	} +      else +	{ +	  /* Do word wrap.  Go to the column just past the maximum line +	     width and scan back for the beginning of the word there. +	     Then insert a line break.  */ + +	  char *p, *nextline; +	  int i; + +	  p = buf + (r + 1 - fs->point_col); +	  while (p >= buf && !isblank (*p)) +	    --p; +	  nextline = p + 1;	/* This will begin the next line.  */ + +	  if (nextline > buf) +	    { +	      /* Swallow separating blanks.  */ +	      if (p >= buf) +		do +		  --p; +		while (p >= buf && isblank (*p)); +	      nl = p + 1;	/* The newline will replace the first blank. */ +	    } +	  else +	    { +	      /* A single word that is greater than the maximum line width. +		 Oh well.  Put it on an overlong line by itself.  */ +	      p = buf + (r + 1 - fs->point_col); +	      /* Find the end of the long word.  */ +	      do +		++p; +	      while (p < nl && !isblank (*p)); +	      if (p == nl) +		{ +		  /* It already ends a line.  No fussing required.  */ +		  fs->point_col = 0; +		  buf = nl + 1; +		  continue; +		} +	      /* We will move the newline to replace the first blank.  */ +	      nl = p; +	      /* Swallow separating blanks.  */ +	      do +		++p; +	      while (isblank (*p)); +	      /* The next line will start here.  */ +	      nextline = p; +	    } + +	  /* Note: There are a bunch of tests below for +	     NEXTLINE == BUF + LEN + 1; this case is where NL happens to fall +	     at the end of the buffer, and NEXTLINE is in fact empty (and so +	     we need not be careful to maintain its contents).  */ + +	  if (nextline == buf + len + 1 +	      ? fs->end - nl < fs->wmargin + 1 +	      : nextline - (nl + 1) < fs->wmargin) +	    { +	      /* The margin needs more blanks than we removed.  */ +	      if (fs->end - fs->p > fs->wmargin + 1) +		/* Make some space for them.  */ +		{ +		  size_t mv = fs->p - nextline; +		  memmove (nl + 1 + fs->wmargin, nextline, mv); +		  nextline = nl + 1 + fs->wmargin; +		  len = nextline + mv - buf; +		  *nl++ = '\n'; +		} +	      else +		/* Output the first line so we can use the space.  */ +		{ +		  if (nl > fs->buf) +		    FWRITE_UNLOCKED (fs->buf, 1, nl - fs->buf, fs->stream); +		  PUTC_UNLOCKED ('\n', fs->stream); +		  len += buf - fs->buf; +		  nl = buf = fs->buf; +		} +	    } +	  else +	    /* We can fit the newline and blanks in before +	       the next word.  */ +	    *nl++ = '\n'; + +	  if (nextline - nl >= fs->wmargin +	      || (nextline == buf + len + 1 && fs->end - nextline >= fs->wmargin)) +	    /* Add blanks up to the wrap margin column.  */ +	    for (i = 0; i < fs->wmargin; ++i) +	      *nl++ = ' '; +	  else +	    for (i = 0; i < fs->wmargin; ++i) +	      PUTC_UNLOCKED (' ', fs->stream); + +	  /* Copy the tail of the original buffer into the current buffer +	     position.  */ +	  if (nl < nextline) +	    memmove (nl, nextline, buf + len - nextline); +	  len -= nextline - buf; + +	  /* Continue the scan on the remaining lines in the buffer.  */ +	  buf = nl; + +	  /* Restore bufp to include all the remaining text.  */ +	  fs->p = nl + len; + +	  /* Reset the counter of what has been output this line.  If wmargin +	     is 0, we want to avoid the lmargin getting added, so we set +	     point_col to a magic value of -1 in that case.  */ +	  fs->point_col = fs->wmargin ? fs->wmargin : -1; +	} +    } + +  /* Remember that we've scanned as far as the end of the buffer.  */ +  fs->point_offs = fs->p - fs->buf; +} + +/* Ensure that FS has space for AMOUNT more bytes in its buffer, either by +   growing the buffer, or by flushing it.  True is returned iff we succeed. */ +int +__argp_fmtstream_ensure (struct argp_fmtstream *fs, size_t amount) +{ +  if ((size_t) (fs->end - fs->p) < amount) +    { +      ssize_t wrote; + +      /* Flush FS's buffer.  */ +      __argp_fmtstream_update (fs); + +      wrote = FWRITE_UNLOCKED (fs->buf, 1, fs->p - fs->buf, fs->stream); +      if (wrote == fs->p - fs->buf) +	{ +	  fs->p = fs->buf; +	  fs->point_offs = 0; +	} +      else +	{ +	  fs->p -= wrote; +	  fs->point_offs -= wrote; +	  memmove (fs->buf, fs->buf + wrote, fs->p - fs->buf); +	  return 0; +	} + +      if ((size_t) (fs->end - fs->buf) < amount) +	/* Gotta grow the buffer.  */ +	{ +	  size_t new_size = fs->end - fs->buf + amount; +	  char *new_buf = realloc (fs->buf, new_size); + +	  if (! new_buf) +	    { +	      __set_errno (ENOMEM); +	      return 0; +	    } + +	  fs->buf = new_buf; +	  fs->end = new_buf + new_size; +	  fs->p = fs->buf; +	} +    } + +  return 1; +} + +ssize_t +__argp_fmtstream_printf (struct argp_fmtstream *fs, const char *fmt, ...) +{ +  size_t out; +  size_t avail; +  size_t size_guess = PRINTF_SIZE_GUESS; /* How much space to reserve. */ + +  do +    { +      va_list args; + +      if (! __argp_fmtstream_ensure (fs, size_guess)) +	return -1; + +      va_start (args, fmt); +      avail = fs->end - fs->p; +      out = __vsnprintf (fs->p, avail, fmt, args); +      va_end (args); +      if (out >= avail) +	size_guess = out + 1; +    } +  while (out >= avail); + +  fs->p += out; + +  return out; +} +#ifdef weak_alias +weak_alias (__argp_fmtstream_printf, argp_fmtstream_printf) +#endif + +#if __STDC_VERSION__ - 199900L < 1 +/* Duplicate the inline definitions in argp-fmtstream.h, for compilers + * that don't do inlining. */ +size_t +__argp_fmtstream_write (argp_fmtstream_t __fs, +			__const char *__str, size_t __len) +{ +  if (__fs->p + __len <= __fs->end || __argp_fmtstream_ensure (__fs, __len)) +    { +      memcpy (__fs->p, __str, __len); +      __fs->p += __len; +      return __len; +    } +  else +    return 0; +} + +int +__argp_fmtstream_puts (argp_fmtstream_t __fs, __const char *__str) +{ +  size_t __len = strlen (__str); +  if (__len) +    { +      size_t __wrote = __argp_fmtstream_write (__fs, __str, __len); +      return __wrote == __len ? 0 : -1; +    } +  else +    return 0; +} + +int +__argp_fmtstream_putc (argp_fmtstream_t __fs, int __ch) +{ +  if (__fs->p < __fs->end || __argp_fmtstream_ensure (__fs, 1)) +    return *__fs->p++ = __ch; +  else +    return EOF; +} + +/* Set __FS's left margin to __LMARGIN and return the old value.  */ +size_t +__argp_fmtstream_set_lmargin (argp_fmtstream_t __fs, size_t __lmargin) +{ +  size_t __old; +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  __old = __fs->lmargin; +  __fs->lmargin = __lmargin; +  return __old; +} + +/* Set __FS's right margin to __RMARGIN and return the old value.  */ +size_t +__argp_fmtstream_set_rmargin (argp_fmtstream_t __fs, size_t __rmargin) +{ +  size_t __old; +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  __old = __fs->rmargin; +  __fs->rmargin = __rmargin; +  return __old; +} + +/* Set FS's wrap margin to __WMARGIN and return the old value.  */ +size_t +__argp_fmtstream_set_wmargin (argp_fmtstream_t __fs, size_t __wmargin) +{ +  size_t __old; +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  __old = __fs->wmargin; +  __fs->wmargin = __wmargin; +  return __old; +} + +/* Return the column number of the current output point in __FS.  */ +size_t +__argp_fmtstream_point (argp_fmtstream_t __fs) +{ +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  return __fs->point_col >= 0 ? __fs->point_col : 0; +} +#endif /* __STDC_VERSION__ - 199900L < 1 */ + +#endif /* !ARGP_FMTSTREAM_USE_LINEWRAP */ diff --git a/contrib/argp-standalone/argp-fmtstream.h b/contrib/argp-standalone/argp-fmtstream.h new file mode 100644 index 00000000000..828f4357d56 --- /dev/null +++ b/contrib/argp-standalone/argp-fmtstream.h @@ -0,0 +1,327 @@ +/* Word-wrapping and line-truncating streams. +   Copyright (C) 1997, 2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +/* This package emulates glibc `line_wrap_stream' semantics for systems that +   don't have that.  If the system does have it, it is just a wrapper for +   that.  This header file is only used internally while compiling argp, and +   shouldn't be installed.  */ + +#ifndef _ARGP_FMTSTREAM_H +#define _ARGP_FMTSTREAM_H + +#include <stdio.h> +#include <string.h> + +#if HAVE_UNISTD_H +# include <unistd.h> +#else +/* This is a kludge to make the code compile on windows. Perhaps it +   would be better to just replace ssize_t with int through out the +   code. */ +# define ssize_t int +#endif + +#if _LIBC || (defined (HAVE_FLOCKFILE) && defined(HAVE_PUTC_UNLOCKED) \ +     && defined (HAVE_FPUTS_UNLOCKED) && defined (HAVE_FWRITE_UNLOCKED) ) +/* Use locking funxtions */ +# define FLOCKFILE(f) flockfile(f) +# define FUNLOCKFILE(f) funlockfile(f) +# define PUTC_UNLOCKED(c, f) putc_unlocked((c), (f)) +# define FPUTS_UNLOCKED(s, f) fputs_unlocked((s), (f)) +# define FWRITE_UNLOCKED(b, s, n, f) fwrite_unlocked((b), (s), (n), (f)) +#else +/* Disable stdio locking */ +# define FLOCKFILE(f) +# define FUNLOCKFILE(f) +# define PUTC_UNLOCKED(c, f) putc((c), (f)) +# define FPUTS_UNLOCKED(s, f) fputs((s), (f)) +# define FWRITE_UNLOCKED(b, s, n, f) fwrite((b), (s), (n), (f)) +#endif /* No thread safe i/o */ + +#if    (_LIBC - 0 && !defined (USE_IN_LIBIO)) \ +    || (defined (__GNU_LIBRARY__) && defined (HAVE_LINEWRAP_H)) +/* line_wrap_stream is available, so use that.  */ +#define ARGP_FMTSTREAM_USE_LINEWRAP +#endif + +#ifdef ARGP_FMTSTREAM_USE_LINEWRAP +/* Just be a simple wrapper for line_wrap_stream; the semantics are +   *slightly* different, as line_wrap_stream doesn't actually make a new +   object, it just modifies the given stream (reversibly) to do +   line-wrapping.  Since we control who uses this code, it doesn't matter.  */ + +#include <linewrap.h> + +typedef FILE *argp_fmtstream_t; + +#define argp_make_fmtstream line_wrap_stream +#define __argp_make_fmtstream line_wrap_stream +#define argp_fmtstream_free line_unwrap_stream +#define __argp_fmtstream_free line_unwrap_stream + +#define __argp_fmtstream_putc(fs,ch) putc(ch,fs) +#define argp_fmtstream_putc(fs,ch) putc(ch,fs) +#define __argp_fmtstream_puts(fs,str) fputs(str,fs) +#define argp_fmtstream_puts(fs,str) fputs(str,fs) +#define __argp_fmtstream_write(fs,str,len) fwrite(str,1,len,fs) +#define argp_fmtstream_write(fs,str,len) fwrite(str,1,len,fs) +#define __argp_fmtstream_printf fprintf +#define argp_fmtstream_printf fprintf + +#define __argp_fmtstream_lmargin line_wrap_lmargin +#define argp_fmtstream_lmargin line_wrap_lmargin +#define __argp_fmtstream_set_lmargin line_wrap_set_lmargin +#define argp_fmtstream_set_lmargin line_wrap_set_lmargin +#define __argp_fmtstream_rmargin line_wrap_rmargin +#define argp_fmtstream_rmargin line_wrap_rmargin +#define __argp_fmtstream_set_rmargin line_wrap_set_rmargin +#define argp_fmtstream_set_rmargin line_wrap_set_rmargin +#define __argp_fmtstream_wmargin line_wrap_wmargin +#define argp_fmtstream_wmargin line_wrap_wmargin +#define __argp_fmtstream_set_wmargin line_wrap_set_wmargin +#define argp_fmtstream_set_wmargin line_wrap_set_wmargin +#define __argp_fmtstream_point line_wrap_point +#define argp_fmtstream_point line_wrap_point + +#else /* !ARGP_FMTSTREAM_USE_LINEWRAP */ +/* Guess we have to define our own version.  */ + +#ifndef __const +#define __const const +#endif + + +struct argp_fmtstream +{ +  FILE *stream;			/* The stream we're outputting to.  */ + +  size_t lmargin, rmargin;	/* Left and right margins.  */ +  ssize_t wmargin;		/* Margin to wrap to, or -1 to truncate.  */ + +  /* Point in buffer to which we've processed for wrapping, but not output.  */ +  size_t point_offs; +  /* Output column at POINT_OFFS, or -1 meaning 0 but don't add lmargin.  */ +  ssize_t point_col; + +  char *buf;			/* Output buffer.  */ +  char *p;			/* Current end of text in BUF. */ +  char *end;			/* Absolute end of BUF.  */ +}; + +typedef struct argp_fmtstream *argp_fmtstream_t; + +/* Return an argp_fmtstream that outputs to STREAM, and which prefixes lines +   written on it with LMARGIN spaces and limits them to RMARGIN columns +   total.  If WMARGIN >= 0, words that extend past RMARGIN are wrapped by +   replacing the whitespace before them with a newline and WMARGIN spaces. +   Otherwise, chars beyond RMARGIN are simply dropped until a newline. +   Returns NULL if there was an error.  */ +extern argp_fmtstream_t __argp_make_fmtstream (FILE *__stream, +					       size_t __lmargin, +					       size_t __rmargin, +					       ssize_t __wmargin); +extern argp_fmtstream_t argp_make_fmtstream (FILE *__stream, +					     size_t __lmargin, +					     size_t __rmargin, +					     ssize_t __wmargin); + +/* Flush __FS to its stream, and free it (but don't close the stream).  */ +extern void __argp_fmtstream_free (argp_fmtstream_t __fs); +extern void argp_fmtstream_free (argp_fmtstream_t __fs); + +extern ssize_t __argp_fmtstream_printf (argp_fmtstream_t __fs, +				       __const char *__fmt, ...) +     PRINTF_STYLE(2,3); +extern ssize_t argp_fmtstream_printf (argp_fmtstream_t __fs, +				      __const char *__fmt, ...) +     PRINTF_STYLE(2,3); + +#if __STDC_VERSION__ - 199900L < 1 +extern int __argp_fmtstream_putc (argp_fmtstream_t __fs, int __ch); +extern int argp_fmtstream_putc (argp_fmtstream_t __fs, int __ch); + +extern int __argp_fmtstream_puts (argp_fmtstream_t __fs, __const char *__str); +extern int argp_fmtstream_puts (argp_fmtstream_t __fs, __const char *__str); + +extern size_t __argp_fmtstream_write (argp_fmtstream_t __fs, +				      __const char *__str, size_t __len); +extern size_t argp_fmtstream_write (argp_fmtstream_t __fs, +				    __const char *__str, size_t __len); +#endif /* __STDC_VERSION__ - 199900L < 1 */ + +/* Access macros for various bits of state.  */ +#define argp_fmtstream_lmargin(__fs) ((__fs)->lmargin) +#define argp_fmtstream_rmargin(__fs) ((__fs)->rmargin) +#define argp_fmtstream_wmargin(__fs) ((__fs)->wmargin) +#define __argp_fmtstream_lmargin argp_fmtstream_lmargin +#define __argp_fmtstream_rmargin argp_fmtstream_rmargin +#define __argp_fmtstream_wmargin argp_fmtstream_wmargin + +#if __STDC_VERSION__ - 199900L < 1 +/* Set __FS's left margin to LMARGIN and return the old value.  */ +extern size_t argp_fmtstream_set_lmargin (argp_fmtstream_t __fs, +					  size_t __lmargin); +extern size_t __argp_fmtstream_set_lmargin (argp_fmtstream_t __fs, +					    size_t __lmargin); + +/* Set __FS's right margin to __RMARGIN and return the old value.  */ +extern size_t argp_fmtstream_set_rmargin (argp_fmtstream_t __fs, +					  size_t __rmargin); +extern size_t __argp_fmtstream_set_rmargin (argp_fmtstream_t __fs, +					    size_t __rmargin); + +/* Set __FS's wrap margin to __WMARGIN and return the old value.  */ +extern size_t argp_fmtstream_set_wmargin (argp_fmtstream_t __fs, +					  size_t __wmargin); +extern size_t __argp_fmtstream_set_wmargin (argp_fmtstream_t __fs, +					    size_t __wmargin); + +/* Return the column number of the current output point in __FS.  */ +extern size_t argp_fmtstream_point (argp_fmtstream_t __fs); +extern size_t __argp_fmtstream_point (argp_fmtstream_t __fs); +#endif /* __STDC_VERSION__ - 199900L < 1 */ + +/* Internal routines.  */ +extern void _argp_fmtstream_update (argp_fmtstream_t __fs); +extern void __argp_fmtstream_update (argp_fmtstream_t __fs); +extern int _argp_fmtstream_ensure (argp_fmtstream_t __fs, size_t __amount); +extern int __argp_fmtstream_ensure (argp_fmtstream_t __fs, size_t __amount); + +#ifdef __OPTIMIZE__ +/* Inline versions of above routines.  */ + +#if !_LIBC +#define __argp_fmtstream_putc argp_fmtstream_putc +#define __argp_fmtstream_puts argp_fmtstream_puts +#define __argp_fmtstream_write argp_fmtstream_write +#define __argp_fmtstream_set_lmargin argp_fmtstream_set_lmargin +#define __argp_fmtstream_set_rmargin argp_fmtstream_set_rmargin +#define __argp_fmtstream_set_wmargin argp_fmtstream_set_wmargin +#define __argp_fmtstream_point argp_fmtstream_point +#define __argp_fmtstream_update _argp_fmtstream_update +#define __argp_fmtstream_ensure _argp_fmtstream_ensure +#endif + +#ifndef ARGP_FS_EI +#if defined(__GNUC__) && !defined(__GNUC_STDC_INLINE__) +#define ARGP_FS_EI extern inline +#else +#define ARGP_FS_EI inline +#endif +#endif + +ARGP_FS_EI size_t +__argp_fmtstream_write (argp_fmtstream_t __fs, +			__const char *__str, size_t __len) +{ +  if (__fs->p + __len <= __fs->end || __argp_fmtstream_ensure (__fs, __len)) +    { +      memcpy (__fs->p, __str, __len); +      __fs->p += __len; +      return __len; +    } +  else +    return 0; +} + +ARGP_FS_EI int +__argp_fmtstream_puts (argp_fmtstream_t __fs, __const char *__str) +{ +  size_t __len = strlen (__str); +  if (__len) +    { +      size_t __wrote = __argp_fmtstream_write (__fs, __str, __len); +      return __wrote == __len ? 0 : -1; +    } +  else +    return 0; +} + +ARGP_FS_EI int +__argp_fmtstream_putc (argp_fmtstream_t __fs, int __ch) +{ +  if (__fs->p < __fs->end || __argp_fmtstream_ensure (__fs, 1)) +    return *__fs->p++ = __ch; +  else +    return EOF; +} + +/* Set __FS's left margin to __LMARGIN and return the old value.  */ +ARGP_FS_EI size_t +__argp_fmtstream_set_lmargin (argp_fmtstream_t __fs, size_t __lmargin) +{ +  size_t __old; +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  __old = __fs->lmargin; +  __fs->lmargin = __lmargin; +  return __old; +} + +/* Set __FS's right margin to __RMARGIN and return the old value.  */ +ARGP_FS_EI size_t +__argp_fmtstream_set_rmargin (argp_fmtstream_t __fs, size_t __rmargin) +{ +  size_t __old; +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  __old = __fs->rmargin; +  __fs->rmargin = __rmargin; +  return __old; +} + +/* Set FS's wrap margin to __WMARGIN and return the old value.  */ +ARGP_FS_EI size_t +__argp_fmtstream_set_wmargin (argp_fmtstream_t __fs, size_t __wmargin) +{ +  size_t __old; +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  __old = __fs->wmargin; +  __fs->wmargin = __wmargin; +  return __old; +} + +/* Return the column number of the current output point in __FS.  */ +ARGP_FS_EI size_t +__argp_fmtstream_point (argp_fmtstream_t __fs) +{ +  if ((size_t) (__fs->p - __fs->buf) > __fs->point_offs) +    __argp_fmtstream_update (__fs); +  return __fs->point_col >= 0 ? __fs->point_col : 0; +} + +#if !_LIBC +#undef __argp_fmtstream_putc +#undef __argp_fmtstream_puts +#undef __argp_fmtstream_write +#undef __argp_fmtstream_set_lmargin +#undef __argp_fmtstream_set_rmargin +#undef __argp_fmtstream_set_wmargin +#undef __argp_fmtstream_point +#undef __argp_fmtstream_update +#undef __argp_fmtstream_ensure +#endif + +#endif /* __OPTIMIZE__ */ + +#endif /* ARGP_FMTSTREAM_USE_LINEWRAP */ + +#endif /* argp-fmtstream.h */ diff --git a/contrib/argp-standalone/argp-help.c b/contrib/argp-standalone/argp-help.c new file mode 100644 index 00000000000..ced78c4cb26 --- /dev/null +++ b/contrib/argp-standalone/argp-help.c @@ -0,0 +1,1849 @@ +/* Hierarchial argument parsing help output +   Copyright (C) 1995,96,97,98,99,2000, 2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +#ifndef _GNU_SOURCE +# define _GNU_SOURCE	1 +#endif + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#if HAVE_ALLOCA_H +#include <alloca.h> +#endif + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <stdarg.h> +#include <ctype.h> +#if HAVE_MALLOC_H +/* Needed, for alloca on windows */ +# include <malloc.h> +#endif + +#ifndef _ +/* This is for other GNU distributions with internationalized messages.  */ +# if defined HAVE_LIBINTL_H || defined _LIBC +#  include <libintl.h> +#  ifdef _LIBC +#   undef dgettext +#   define dgettext(domain, msgid) __dcgettext (domain, msgid, LC_MESSAGES) +#  endif +# else +#  define dgettext(domain, msgid) (msgid) +# endif +#endif + +#include "argp.h" +#include "argp-fmtstream.h" +#include "argp-namefrob.h" + + +#ifndef _LIBC +# ifndef __strchrnul +#  define __strchrnul strchrnul +# endif +# ifndef __mempcpy +#  define __mempcpy mempcpy +# endif +/* We need to use a different name, as __strndup is likely a macro. */ +# define STRNDUP strndup +# if HAVE_STRERROR +#  define STRERROR strerror +# else +#  define STRERROR(x) (sys_errlist[x]) +# endif +#else /* _LIBC */ +# define FLOCKFILE __flockfile +# define FUNLOCKFILE __funlockfile +# define STRNDUP __strndup +# define STRERROR strerror +#endif + +#if !_LIBC +# if !HAVE_STRNDUP +char *strndup (const char *s, size_t size); +# endif /* !HAVE_STRNDUP */ + +# if !HAVE_MEMPCPY +void *mempcpy (void *to, const void *from, size_t size); +# endif /* !HAVE_MEMPCPY */ + +# if !HAVE_STRCHRNUL +char *strchrnul(const char *s, int c); +# endif /* !HAVE_STRCHRNUL */ + +# if !HAVE_STRCASECMP +int strcasecmp(const char *s1, const char *s2); +#endif + +#endif /* !_LIBC */ + + +/* User-selectable (using an environment variable) formatting parameters. + +   These may be specified in an environment variable called `ARGP_HELP_FMT', +   with a contents like:  VAR1=VAL1,VAR2=VAL2,BOOLVAR2,no-BOOLVAR2 +   Where VALn must be a positive integer.  The list of variables is in the +   UPARAM_NAMES vector, below.  */ + +/* Default parameters.  */ +#define DUP_ARGS      0		/* True if option argument can be duplicated. */ +#define DUP_ARGS_NOTE 1		/* True to print a note about duplicate args. */ +#define SHORT_OPT_COL 2		/* column in which short options start */ +#define LONG_OPT_COL  6		/* column in which long options start */ +#define DOC_OPT_COL   2		/* column in which doc options start */ +#define OPT_DOC_COL  29		/* column in which option text starts */ +#define HEADER_COL    1		/* column in which group headers are printed */ +#define USAGE_INDENT 12		/* indentation of wrapped usage lines */ +#define RMARGIN      79		/* right margin used for wrapping */ + +/* User-selectable (using an environment variable) formatting parameters. +   They must all be of type `int' for the parsing code to work.  */ +struct uparams +{ +  /* If true, arguments for an option are shown with both short and long +     options, even when a given option has both, e.g. `-x ARG, --longx=ARG'. +     If false, then if an option has both, the argument is only shown with +     the long one, e.g., `-x, --longx=ARG', and a message indicating that +     this really means both is printed below the options.  */ +  int dup_args; + +  /* This is true if when DUP_ARGS is false, and some duplicate arguments have +     been suppressed, an explanatory message should be printed.  */ +  int dup_args_note; + +  /* Various output columns.  */ +  int short_opt_col; +  int long_opt_col; +  int doc_opt_col; +  int opt_doc_col; +  int header_col; +  int usage_indent; +  int rmargin; + +  int valid;			/* True when the values in here are valid.  */ +}; + +/* This is a global variable, as user options are only ever read once.  */ +static struct uparams uparams = { +  DUP_ARGS, DUP_ARGS_NOTE, +  SHORT_OPT_COL, LONG_OPT_COL, DOC_OPT_COL, OPT_DOC_COL, HEADER_COL, +  USAGE_INDENT, RMARGIN, +  0 +}; + +/* A particular uparam, and what the user name is.  */ +struct uparam_name +{ +  const char *name;		/* User name.  */ +  int is_bool;			/* Whether it's `boolean'.  */ +  size_t uparams_offs;		/* Location of the (int) field in UPARAMS.  */ +}; + +/* The name-field mappings we know about.  */ +static const struct uparam_name uparam_names[] = +{ +  { "dup-args",       1, offsetof (struct uparams, dup_args) }, +  { "dup-args-note",  1, offsetof (struct uparams, dup_args_note) }, +  { "short-opt-col",  0, offsetof (struct uparams, short_opt_col) }, +  { "long-opt-col",   0, offsetof (struct uparams, long_opt_col) }, +  { "doc-opt-col",    0, offsetof (struct uparams, doc_opt_col) }, +  { "opt-doc-col",    0, offsetof (struct uparams, opt_doc_col) }, +  { "header-col",     0, offsetof (struct uparams, header_col) }, +  { "usage-indent",   0, offsetof (struct uparams, usage_indent) }, +  { "rmargin",        0, offsetof (struct uparams, rmargin) }, +  { 0, 0, 0 } +}; + +/* Read user options from the environment, and fill in UPARAMS appropiately.  */ +static void +fill_in_uparams (const struct argp_state *state) +{ + +  const char *var = getenv ("ARGP_HELP_FMT"); + +#define SKIPWS(p) do { while (isspace (*p)) p++; } while (0); + +  if (var) +    /* Parse var. */ +    while (*var) +      { +	SKIPWS (var); + +	if (isalpha (*var)) +	  { +	    size_t var_len; +	    const struct uparam_name *un; +	    int unspec = 0, val = 0; +	    const char *arg = var; + +	    while (isalnum (*arg) || *arg == '-' || *arg == '_') +	      arg++; +	    var_len = arg - var; + +	    SKIPWS (arg); + +	    if (*arg == '\0' || *arg == ',') +	      unspec = 1; +	    else if (*arg == '=') +	      { +		arg++; +		SKIPWS (arg); +	      } + +	    if (unspec) +	      { +		if (var[0] == 'n' && var[1] == 'o' && var[2] == '-') +		  { +		    val = 0; +		    var += 3; +		    var_len -= 3; +		  } +		else +		  val = 1; +	      } +	    else if (isdigit (*arg)) +	      { +		val = atoi (arg); +		while (isdigit (*arg)) +		  arg++; +		SKIPWS (arg); +	      } + +	    for (un = uparam_names; un->name; un++) +	      if (strlen (un->name) == var_len +		  && strncmp (var, un->name, var_len) == 0) +		{ +		  if (unspec && !un->is_bool) +		    __argp_failure (state, 0, 0, +				    dgettext (state->root_argp->argp_domain, "\ +%.*s: ARGP_HELP_FMT parameter requires a value"), +				    (int) var_len, var); +		  else +		    *(int *)((char *)&uparams + un->uparams_offs) = val; +		  break; +		} +	    if (! un->name) +	      __argp_failure (state, 0, 0, +			      dgettext (state->root_argp->argp_domain, "\ +%.*s: Unknown ARGP_HELP_FMT parameter"), +			      (int) var_len, var); + +	    var = arg; +	    if (*var == ',') +	      var++; +	  } +	else if (*var) +	  { +	    __argp_failure (state, 0, 0, +			    dgettext (state->root_argp->argp_domain, +				      "Garbage in ARGP_HELP_FMT: %s"), var); +	    break; +	  } +      } +} + +/* Returns true if OPT hasn't been marked invisible.  Visibility only affects +   whether OPT is displayed or used in sorting, not option shadowing.  */ +#define ovisible(opt) (! ((opt)->flags & OPTION_HIDDEN)) + +/* Returns true if OPT is an alias for an earlier option.  */ +#define oalias(opt) ((opt)->flags & OPTION_ALIAS) + +/* Returns true if OPT is an documentation-only entry.  */ +#define odoc(opt) ((opt)->flags & OPTION_DOC) + +/* Returns true if OPT is the end-of-list marker for a list of options.  */ +#define oend(opt) __option_is_end (opt) + +/* Returns true if OPT has a short option.  */ +#define oshort(opt) __option_is_short (opt) + +/* +   The help format for a particular option is like: + +     -xARG, -yARG, --long1=ARG, --long2=ARG        Documentation... + +   Where ARG will be omitted if there's no argument, for this option, or +   will be surrounded by "[" and "]" appropiately if the argument is +   optional.  The documentation string is word-wrapped appropiately, and if +   the list of options is long enough, it will be started on a separate line. +   If there are no short options for a given option, the first long option is +   indented slighly in a way that's supposed to make most long options appear +   to be in a separate column. + +   For example, the following output (from ps): + +     -p PID, --pid=PID          List the process PID +	 --pgrp=PGRP            List processes in the process group PGRP +     -P, -x, --no-parent        Include processes without parents +     -Q, --all-fields           Don't elide unusable fields (normally if there's +				some reason ps can't print a field for any +				process, it's removed from the output entirely) +     -r, --reverse, --gratuitously-long-reverse-option +				Reverse the order of any sort +	 --session[=SID]        Add the processes from the session SID (which +				defaults to the sid of the current process) + +    Here are some more options: +     -f ZOT, --foonly=ZOT       Glork a foonly +     -z, --zaza                 Snit a zar + +     -?, --help                 Give this help list +	 --usage                Give a short usage message +     -V, --version              Print program version + +   The struct argp_option array for the above could look like: + +   { +     {"pid",       'p',      "PID",  0, "List the process PID"}, +     {"pgrp",      OPT_PGRP, "PGRP", 0, "List processes in the process group PGRP"}, +     {"no-parent", 'P',	      0,     0, "Include processes without parents"}, +     {0,           'x',       0,     OPTION_ALIAS}, +     {"all-fields",'Q',       0,     0, "Don't elide unusable fields (normally" +                                        " if there's some reason ps can't" +					" print a field for any process, it's" +                                        " removed from the output entirely)" }, +     {"reverse",   'r',       0,     0, "Reverse the order of any sort"}, +     {"gratuitously-long-reverse-option", 0, 0, OPTION_ALIAS}, +     {"session",   OPT_SESS,  "SID", OPTION_ARG_OPTIONAL, +                                        "Add the processes from the session" +					" SID (which defaults to the sid of" +					" the current process)" }, + +     {0,0,0,0, "Here are some more options:"}, +     {"foonly", 'f', "ZOT", 0, "Glork a foonly"}, +     {"zaza", 'z', 0, 0, "Snit a zar"}, + +     {0} +   } + +   Note that the last three options are automatically supplied by argp_parse, +   unless you tell it not to with ARGP_NO_HELP. + +*/ + +/* Returns true if CH occurs between BEG and END.  */ +static int +find_char (char ch, char *beg, char *end) +{ +  while (beg < end) +    if (*beg == ch) +      return 1; +    else +      beg++; +  return 0; +} + +struct hol_cluster;		/* fwd decl */ + +struct hol_entry +{ +  /* First option.  */ +  const struct argp_option *opt; +  /* Number of options (including aliases).  */ +  unsigned num; + +  /* A pointers into the HOL's short_options field, to the first short option +     letter for this entry.  The order of the characters following this point +     corresponds to the order of options pointed to by OPT, and there are at +     most NUM.  A short option recorded in a option following OPT is only +     valid if it occurs in the right place in SHORT_OPTIONS (otherwise it's +     probably been shadowed by some other entry).  */ +  char *short_options; + +  /* Entries are sorted by their group first, in the order: +       1, 2, ..., n, 0, -m, ..., -2, -1 +     and then alphabetically within each group.  The default is 0.  */ +  int group; + +  /* The cluster of options this entry belongs to, or 0 if none.  */ +  struct hol_cluster *cluster; + +  /* The argp from which this option came.  */ +  const struct argp *argp; +}; + +/* A cluster of entries to reflect the argp tree structure.  */ +struct hol_cluster +{ +  /* A descriptive header printed before options in this cluster.  */ +  const char *header; + +  /* Used to order clusters within the same group with the same parent, +     according to the order in which they occurred in the parent argp's child +     list.  */ +  int index; + +  /* How to sort this cluster with respect to options and other clusters at the +     same depth (clusters always follow options in the same group).  */ +  int group; + +  /* The cluster to which this cluster belongs, or 0 if it's at the base +     level.  */ +  struct hol_cluster *parent; + +  /* The argp from which this cluster is (eventually) derived.  */ +  const struct argp *argp; + +  /* The distance this cluster is from the root.  */ +  int depth; + +  /* Clusters in a given hol are kept in a linked list, to make freeing them +     possible.  */ +  struct hol_cluster *next; +}; + +/* A list of options for help.  */ +struct hol +{ +  /* An array of hol_entry's.  */ +  struct hol_entry *entries; +  /* The number of entries in this hol.  If this field is zero, the others +     are undefined.  */ +  unsigned num_entries; + +  /* A string containing all short options in this HOL.  Each entry contains +     pointers into this string, so the order can't be messed with blindly.  */ +  char *short_options; + +  /* Clusters of entries in this hol.  */ +  struct hol_cluster *clusters; +}; + +/* Create a struct hol from the options in ARGP.  CLUSTER is the +   hol_cluster in which these entries occur, or 0, if at the root.  */ +static struct hol * +make_hol (const struct argp *argp, struct hol_cluster *cluster) +{ +  char *so; +  const struct argp_option *o; +  const struct argp_option *opts = argp->options; +  struct hol_entry *entry; +  unsigned num_short_options = 0; +  struct hol *hol = malloc (sizeof (struct hol)); + +  assert (hol); + +  hol->num_entries = 0; +  hol->clusters = 0; + +  if (opts) +    { +      int cur_group = 0; + +      /* The first option must not be an alias.  */ +      assert (! oalias (opts)); + +      /* Calculate the space needed.  */ +      for (o = opts; ! oend (o); o++) +	{ +	  if (! oalias (o)) +	    hol->num_entries++; +	  if (oshort (o)) +	    num_short_options++;	/* This is an upper bound.  */ +	} + +      hol->entries = malloc (sizeof (struct hol_entry) * hol->num_entries); +      hol->short_options = malloc (num_short_options + 1); + +      assert (hol->entries && hol->short_options); + +      /* Fill in the entries.  */ +      so = hol->short_options; +      for (o = opts, entry = hol->entries; ! oend (o); entry++) +	{ +	  entry->opt = o; +	  entry->num = 0; +	  entry->short_options = so; +	  entry->group = cur_group = +	    o->group +	    ? o->group +	    : ((!o->name && !o->key) +	       ? cur_group + 1 +	       : cur_group); +	  entry->cluster = cluster; +	  entry->argp = argp; + +	  do +	    { +	      entry->num++; +	      if (oshort (o) && ! find_char (o->key, hol->short_options, so)) +		/* O has a valid short option which hasn't already been used.*/ +		*so++ = o->key; +	      o++; +	    } +	  while (! oend (o) && oalias (o)); +	} +      *so = '\0';		/* null terminated so we can find the length */ +    } + +  return hol; +} + +/* Add a new cluster to HOL, with the given GROUP and HEADER (taken from the +   associated argp child list entry), INDEX, and PARENT, and return a pointer +   to it.  ARGP is the argp that this cluster results from.  */ +static struct hol_cluster * +hol_add_cluster (struct hol *hol, int group, const char *header, int index, +		 struct hol_cluster *parent, const struct argp *argp) +{ +  struct hol_cluster *cl = malloc (sizeof (struct hol_cluster)); +  if (cl) +    { +      cl->group = group; +      cl->header = header; + +      cl->index = index; +      cl->parent = parent; +      cl->argp = argp; +      cl->depth = parent ? parent->depth + 1 : 0; + +      cl->next = hol->clusters; +      hol->clusters = cl; +    } +  return cl; +} + +/* Free HOL and any resources it uses.  */ +static void +hol_free (struct hol *hol) +{ +  struct hol_cluster *cl = hol->clusters; + +  while (cl) +    { +      struct hol_cluster *next = cl->next; +      free (cl); +      cl = next; +    } + +  if (hol->num_entries > 0) +    { +      free (hol->entries); +      free (hol->short_options); +    } + +  free (hol); +} + +static inline int +hol_entry_short_iterate (const struct hol_entry *entry, +			 int (*func)(const struct argp_option *opt, +				     const struct argp_option *real, +				     const char *domain, void *cookie), +			 const char *domain, void *cookie) +{ +  unsigned nopts; +  int val = 0; +  const struct argp_option *opt, *real = entry->opt; +  char *so = entry->short_options; + +  for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--) +    if (oshort (opt) && *so == opt->key) +      { +	if (!oalias (opt)) +	  real = opt; +	if (ovisible (opt)) +	  val = (*func)(opt, real, domain, cookie); +	so++; +      } + +  return val; +} + +static inline int +hol_entry_long_iterate (const struct hol_entry *entry, +			int (*func)(const struct argp_option *opt, +				    const struct argp_option *real, +				    const char *domain, void *cookie), +			const char *domain, void *cookie) +{ +  unsigned nopts; +  int val = 0; +  const struct argp_option *opt, *real = entry->opt; + +  for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--) +    if (opt->name) +      { +	if (!oalias (opt)) +	  real = opt; +	if (ovisible (opt)) +	  val = (*func)(opt, real, domain, cookie); +      } + +  return val; +} + +/* Iterator that returns true for the first short option.  */ +static inline int +until_short (const struct argp_option *opt, const struct argp_option *real UNUSED, +	     const char *domain UNUSED, void *cookie UNUSED) +{ +  return oshort (opt) ? opt->key : 0; +} + +/* Returns the first valid short option in ENTRY, or 0 if there is none.  */ +static char +hol_entry_first_short (const struct hol_entry *entry) +{ +  return hol_entry_short_iterate (entry, until_short, +				  entry->argp->argp_domain, 0); +} + +/* Returns the first valid long option in ENTRY, or 0 if there is none.  */ +static const char * +hol_entry_first_long (const struct hol_entry *entry) +{ +  const struct argp_option *opt; +  unsigned num; +  for (opt = entry->opt, num = entry->num; num > 0; opt++, num--) +    if (opt->name && ovisible (opt)) +      return opt->name; +  return 0; +} + +/* Returns the entry in HOL with the long option name NAME, or 0 if there is +   none.  */ +static struct hol_entry * +hol_find_entry (struct hol *hol, const char *name) +{ +  struct hol_entry *entry = hol->entries; +  unsigned num_entries = hol->num_entries; + +  while (num_entries-- > 0) +    { +      const struct argp_option *opt = entry->opt; +      unsigned num_opts = entry->num; + +      while (num_opts-- > 0) +	if (opt->name && ovisible (opt) && strcmp (opt->name, name) == 0) +	  return entry; +	else +	  opt++; + +      entry++; +    } + +  return 0; +} + +/* If an entry with the long option NAME occurs in HOL, set it's special +   sort position to GROUP.  */ +static void +hol_set_group (struct hol *hol, const char *name, int group) +{ +  struct hol_entry *entry = hol_find_entry (hol, name); +  if (entry) +    entry->group = group; +} + +/* Order by group:  0, 1, 2, ..., n, -m, ..., -2, -1. +   EQ is what to return if GROUP1 and GROUP2 are the same.  */ +static int +group_cmp (int group1, int group2, int eq) +{ +  if (group1 == group2) +    return eq; +  else if ((group1 < 0 && group2 < 0) || (group1 >= 0 && group2 >= 0)) +    return group1 - group2; +  else +    return group2 - group1; +} + +/* Compare clusters CL1 & CL2 by the order that they should appear in +   output.  */ +static int +hol_cluster_cmp (const struct hol_cluster *cl1, const struct hol_cluster *cl2) +{ +  /* If one cluster is deeper than the other, use its ancestor at the same +     level, so that finding the common ancestor is straightforward.  */ +  while (cl1->depth < cl2->depth) +    cl1 = cl1->parent; +  while (cl2->depth < cl1->depth) +    cl2 = cl2->parent; + +  /* Now reduce both clusters to their ancestors at the point where both have +     a common parent; these can be directly compared.  */ +  while (cl1->parent != cl2->parent) +    cl1 = cl1->parent, cl2 = cl2->parent; + +  return group_cmp (cl1->group, cl2->group, cl2->index - cl1->index); +} + +/* Return the ancestor of CL that's just below the root (i.e., has a parent +   of 0).  */ +static struct hol_cluster * +hol_cluster_base (struct hol_cluster *cl) +{ +  while (cl->parent) +    cl = cl->parent; +  return cl; +} + +/* Return true if CL1 is a child of CL2.  */ +static int +hol_cluster_is_child (const struct hol_cluster *cl1, +		      const struct hol_cluster *cl2) +{ +  while (cl1 && cl1 != cl2) +    cl1 = cl1->parent; +  return cl1 == cl2; +} + +/* Given the name of a OPTION_DOC option, modifies NAME to start at the tail +   that should be used for comparisons, and returns true iff it should be +   treated as a non-option.  */ + +/* FIXME: Can we use unsigned char * for the argument? */ +static int +canon_doc_option (const char **name) +{ +  int non_opt; +  /* Skip initial whitespace.  */ +  while (isspace ( (unsigned char) **name)) +    (*name)++; +  /* Decide whether this looks like an option (leading `-') or not.  */ +  non_opt = (**name != '-'); +  /* Skip until part of name used for sorting.  */ +  while (**name && !isalnum ( (unsigned char) **name)) +    (*name)++; +  return non_opt; +} + +/* Order ENTRY1 & ENTRY2 by the order which they should appear in a help +   listing.  */ +static int +hol_entry_cmp (const struct hol_entry *entry1, +	       const struct hol_entry *entry2) +{ +  /* The group numbers by which the entries should be ordered; if either is +     in a cluster, then this is just the group within the cluster.  */ +  int group1 = entry1->group, group2 = entry2->group; + +  if (entry1->cluster != entry2->cluster) +    { +      /* The entries are not within the same cluster, so we can't compare them +	 directly, we have to use the appropiate clustering level too.  */ +      if (! entry1->cluster) +	/* ENTRY1 is at the `base level', not in a cluster, so we have to +	   compare it's group number with that of the base cluster in which +	   ENTRY2 resides.  Note that if they're in the same group, the +	   clustered option always comes laster.  */ +	return group_cmp (group1, hol_cluster_base (entry2->cluster)->group, -1); +      else if (! entry2->cluster) +	/* Likewise, but ENTRY2's not in a cluster.  */ +	return group_cmp (hol_cluster_base (entry1->cluster)->group, group2, 1); +      else +	/* Both entries are in clusters, we can just compare the clusters.  */ +	return hol_cluster_cmp (entry1->cluster, entry2->cluster); +    } +  else if (group1 == group2) +    /* The entries are both in the same cluster and group, so compare them +       alphabetically.  */ +    { +      int short1 = hol_entry_first_short (entry1); +      int short2 = hol_entry_first_short (entry2); +      int doc1 = odoc (entry1->opt); +      int doc2 = odoc (entry2->opt); +      /* FIXME: Can we use unsigned char * instead? */ +      const char *long1 = hol_entry_first_long (entry1); +      const char *long2 = hol_entry_first_long (entry2); + +      if (doc1) +	doc1 = canon_doc_option (&long1); +      if (doc2) +	doc2 = canon_doc_option (&long2); + +      if (doc1 != doc2) +	/* `documentation' options always follow normal options (or +	   documentation options that *look* like normal options).  */ +	return doc1 - doc2; +      else if (!short1 && !short2 && long1 && long2) +	/* Only long options.  */ +	return __strcasecmp (long1, long2); +      else +	/* Compare short/short, long/short, short/long, using the first +	   character of long options.  Entries without *any* valid +	   options (such as options with OPTION_HIDDEN set) will be put +	   first, but as they're not displayed, it doesn't matter where +	   they are.  */ +	{ +	  unsigned char first1 = short1 ? short1 : long1 ? *long1 : 0; +	  unsigned char first2 = short2 ? short2 : long2 ? *long2 : 0; +#ifdef _tolower +	  int lower_cmp = _tolower (first1) - _tolower (first2); +#else +	  int lower_cmp = tolower (first1) - tolower (first2); +#endif +	  /* Compare ignoring case, except when the options are both the +	     same letter, in which case lower-case always comes first.  */ +	  /* NOTE: The subtraction below does the right thing +	     even with eight-bit chars: first1 and first2 are +	     converted to int *before* the subtraction. */ +	  return lower_cmp ? lower_cmp : first2 - first1; +	} +    } +  else +    /* Within the same cluster, but not the same group, so just compare +       groups.  */ +    return group_cmp (group1, group2, 0); +} + +/* Version of hol_entry_cmp with correct signature for qsort.  */ +static int +hol_entry_qcmp (const void *entry1_v, const void *entry2_v) +{ +  return hol_entry_cmp (entry1_v, entry2_v); +} + +/* Sort HOL by group and alphabetically by option name (with short options +   taking precedence over long).  Since the sorting is for display purposes +   only, the shadowing of options isn't effected.  */ +static void +hol_sort (struct hol *hol) +{ +  if (hol->num_entries > 0) +    qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry), +	   hol_entry_qcmp); +} + +/* Append MORE to HOL, destroying MORE in the process.  Options in HOL shadow +   any in MORE with the same name.  */ +static void +hol_append (struct hol *hol, struct hol *more) +{ +  struct hol_cluster **cl_end = &hol->clusters; + +  /* Steal MORE's cluster list, and add it to the end of HOL's.  */ +  while (*cl_end) +    cl_end = &(*cl_end)->next; +  *cl_end = more->clusters; +  more->clusters = 0; + +  /* Merge entries.  */ +  if (more->num_entries > 0) +    { +      if (hol->num_entries == 0) +	{ +	  hol->num_entries = more->num_entries; +	  hol->entries = more->entries; +	  hol->short_options = more->short_options; +	  more->num_entries = 0;	/* Mark MORE's fields as invalid.  */ +	} +      else +	/* Append the entries in MORE to those in HOL, taking care to only add +	   non-shadowed SHORT_OPTIONS values.  */ +	{ +	  unsigned left; +	  char *so, *more_so; +	  struct hol_entry *e; +	  unsigned num_entries = hol->num_entries + more->num_entries; +	  struct hol_entry *entries = +	    malloc (num_entries * sizeof (struct hol_entry)); +	  unsigned hol_so_len = strlen (hol->short_options); +	  char *short_options = +	    malloc (hol_so_len + strlen (more->short_options) + 1); + +	  __mempcpy (__mempcpy (entries, hol->entries, +				hol->num_entries * sizeof (struct hol_entry)), +		     more->entries, +		     more->num_entries * sizeof (struct hol_entry)); + +	  __mempcpy (short_options, hol->short_options, hol_so_len); + +	  /* Fix up the short options pointers from HOL.  */ +	  for (e = entries, left = hol->num_entries; left > 0; e++, left--) +	    e->short_options += (short_options - hol->short_options); + +	  /* Now add the short options from MORE, fixing up its entries +	     too.  */ +	  so = short_options + hol_so_len; +	  more_so = more->short_options; +	  for (left = more->num_entries; left > 0; e++, left--) +	    { +	      int opts_left; +	      const struct argp_option *opt; + +	      e->short_options = so; + +	      for (opts_left = e->num, opt = e->opt; opts_left; opt++, opts_left--) +		{ +		  int ch = *more_so; +		  if (oshort (opt) && ch == opt->key) +		    /* The next short option in MORE_SO, CH, is from OPT.  */ +		    { +		      if (! find_char (ch, short_options, +				       short_options + hol_so_len)) +			/* The short option CH isn't shadowed by HOL's options, +			   so add it to the sum.  */ +			*so++ = ch; +		      more_so++; +		    } +		} +	    } + +	  *so = '\0'; + +	  free (hol->entries); +	  free (hol->short_options); + +	  hol->entries = entries; +	  hol->num_entries = num_entries; +	  hol->short_options = short_options; +	} +    } + +  hol_free (more); +} + +/* Inserts enough spaces to make sure STREAM is at column COL.  */ +static void +indent_to (argp_fmtstream_t stream, unsigned col) +{ +  int needed = col - __argp_fmtstream_point (stream); +  while (needed-- > 0) +    __argp_fmtstream_putc (stream, ' '); +} + +/* Output to STREAM either a space, or a newline if there isn't room for at +   least ENSURE characters before the right margin.  */ +static void +space (argp_fmtstream_t stream, size_t ensure) +{ +  if (__argp_fmtstream_point (stream) + ensure +      >= __argp_fmtstream_rmargin (stream)) +    __argp_fmtstream_putc (stream, '\n'); +  else +    __argp_fmtstream_putc (stream, ' '); +} + +/* If the option REAL has an argument, we print it in using the printf +   format REQ_FMT or OPT_FMT depending on whether it's a required or +   optional argument.  */ +static void +arg (const struct argp_option *real, const char *req_fmt, const char *opt_fmt, +     const char *domain UNUSED, argp_fmtstream_t stream) +{ +  if (real->arg) +    { +      if (real->flags & OPTION_ARG_OPTIONAL) +	__argp_fmtstream_printf (stream, opt_fmt, +				 dgettext (domain, real->arg)); +      else +	__argp_fmtstream_printf (stream, req_fmt, +				 dgettext (domain, real->arg)); +    } +} + +/* Helper functions for hol_entry_help.  */ + +/* State used during the execution of hol_help.  */ +struct hol_help_state +{ +  /* PREV_ENTRY should contain the previous entry printed, or 0.  */ +  struct hol_entry *prev_entry; + +  /* If an entry is in a different group from the previous one, and SEP_GROUPS +     is true, then a blank line will be printed before any output. */ +  int sep_groups; + +  /* True if a duplicate option argument was suppressed (only ever set if +     UPARAMS.dup_args is false).  */ +  int suppressed_dup_arg; +}; + +/* Some state used while printing a help entry (used to communicate with +   helper functions).  See the doc for hol_entry_help for more info, as most +   of the fields are copied from its arguments.  */ +struct pentry_state +{ +  const struct hol_entry *entry; +  argp_fmtstream_t stream; +  struct hol_help_state *hhstate; + +  /* True if nothing's been printed so far.  */ +  int first; + +  /* If non-zero, the state that was used to print this help.  */ +  const struct argp_state *state; +}; + +/* If a user doc filter should be applied to DOC, do so.  */ +static const char * +filter_doc (const char *doc, int key, const struct argp *argp, +	    const struct argp_state *state) +{ +  if (argp->help_filter) +    /* We must apply a user filter to this output.  */ +    { +      void *input = __argp_input (argp, state); +      return (*argp->help_filter) (key, doc, input); +    } +  else +    /* No filter.  */ +    return doc; +} + +/* Prints STR as a header line, with the margin lines set appropiately, and +   notes the fact that groups should be separated with a blank line.  ARGP is +   the argp that should dictate any user doc filtering to take place.  Note +   that the previous wrap margin isn't restored, but the left margin is reset +   to 0.  */ +static void +print_header (const char *str, const struct argp *argp, +	      struct pentry_state *pest) +{ +  const char *tstr = dgettext (argp->argp_domain, str); +  const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_HEADER, argp, pest->state); + +  if (fstr) +    { +      if (*fstr) +	{ +	  if (pest->hhstate->prev_entry) +	    /* Precede with a blank line.  */ +	    __argp_fmtstream_putc (pest->stream, '\n'); +	  indent_to (pest->stream, uparams.header_col); +	  __argp_fmtstream_set_lmargin (pest->stream, uparams.header_col); +	  __argp_fmtstream_set_wmargin (pest->stream, uparams.header_col); +	  __argp_fmtstream_puts (pest->stream, fstr); +	  __argp_fmtstream_set_lmargin (pest->stream, 0); +	  __argp_fmtstream_putc (pest->stream, '\n'); +	} + +      pest->hhstate->sep_groups = 1; /* Separate subsequent groups. */ +    } + +  if (fstr != tstr) +    free ((char *) fstr); +} + +/* Inserts a comma if this isn't the first item on the line, and then makes +   sure we're at least to column COL.  If this *is* the first item on a line, +   prints any pending whitespace/headers that should precede this line. Also +   clears FIRST.  */ +static void +comma (unsigned col, struct pentry_state *pest) +{ +  if (pest->first) +    { +      const struct hol_entry *pe = pest->hhstate->prev_entry; +      const struct hol_cluster *cl = pest->entry->cluster; + +      if (pest->hhstate->sep_groups && pe && pest->entry->group != pe->group) +	__argp_fmtstream_putc (pest->stream, '\n'); + +      if (cl && cl->header && *cl->header +	  && (!pe +	      || (pe->cluster != cl +		  && !hol_cluster_is_child (pe->cluster, cl)))) +	/* If we're changing clusters, then this must be the start of the +	   ENTRY's cluster unless that is an ancestor of the previous one +	   (in which case we had just popped into a sub-cluster for a bit). +	   If so, then print the cluster's header line.  */ +	{ +	  int old_wm = __argp_fmtstream_wmargin (pest->stream); +	  print_header (cl->header, cl->argp, pest); +	  __argp_fmtstream_set_wmargin (pest->stream, old_wm); +	} + +      pest->first = 0; +    } +  else +    __argp_fmtstream_puts (pest->stream, ", "); + +  indent_to (pest->stream, col); +} + +/* Print help for ENTRY to STREAM.  */ +static void +hol_entry_help (struct hol_entry *entry, const struct argp_state *state, +		argp_fmtstream_t stream, struct hol_help_state *hhstate) +{ +  unsigned num; +  const struct argp_option *real = entry->opt, *opt; +  char *so = entry->short_options; +  int have_long_opt = 0;	/* We have any long options.  */ +  /* Saved margins.  */ +  int old_lm = __argp_fmtstream_set_lmargin (stream, 0); +  int old_wm = __argp_fmtstream_wmargin (stream); +  /* PEST is a state block holding some of our variables that we'd like to +     share with helper functions.  */ + +  /* Decent initializers are a GNU extension, so don't use it here. */ +  struct pentry_state pest; +  pest.entry = entry; +  pest.stream = stream; +  pest.hhstate = hhstate; +  pest.first = 1; +  pest.state = state; + +  if (! odoc (real)) +    for (opt = real, num = entry->num; num > 0; opt++, num--) +      if (opt->name && ovisible (opt)) +	{ +	  have_long_opt = 1; +	  break; +	} + +  /* First emit short options.  */ +  __argp_fmtstream_set_wmargin (stream, uparams.short_opt_col); /* For truly bizarre cases. */ +  for (opt = real, num = entry->num; num > 0; opt++, num--) +    if (oshort (opt) && opt->key == *so) +      /* OPT has a valid (non shadowed) short option.  */ +      { +	if (ovisible (opt)) +	  { +	    comma (uparams.short_opt_col, &pest); +	    __argp_fmtstream_putc (stream, '-'); +	    __argp_fmtstream_putc (stream, *so); +	    if (!have_long_opt || uparams.dup_args) +	      arg (real, " %s", "[%s]", state->root_argp->argp_domain, stream); +	    else if (real->arg) +	      hhstate->suppressed_dup_arg = 1; +	  } +	so++; +      } + +  /* Now, long options.  */ +  if (odoc (real)) +    /* A `documentation' option.  */ +    { +      __argp_fmtstream_set_wmargin (stream, uparams.doc_opt_col); +      for (opt = real, num = entry->num; num > 0; opt++, num--) +	if (opt->name && ovisible (opt)) +	  { +	    comma (uparams.doc_opt_col, &pest); +	    /* Calling gettext here isn't quite right, since sorting will +	       have been done on the original; but documentation options +	       should be pretty rare anyway...  */ +	    __argp_fmtstream_puts (stream, +				   dgettext (state->root_argp->argp_domain, +					     opt->name)); +	  } +    } +  else +    /* A real long option.  */ +    { +      int first_long_opt = 1; + +      __argp_fmtstream_set_wmargin (stream, uparams.long_opt_col); +      for (opt = real, num = entry->num; num > 0; opt++, num--) +	if (opt->name && ovisible (opt)) +	  { +	    comma (uparams.long_opt_col, &pest); +	    __argp_fmtstream_printf (stream, "--%s", opt->name); +	    if (first_long_opt || uparams.dup_args) +	      arg (real, "=%s", "[=%s]", state->root_argp->argp_domain, +		   stream); +	    else if (real->arg) +	      hhstate->suppressed_dup_arg = 1; +	  } +    } + +  /* Next, documentation strings.  */ +  __argp_fmtstream_set_lmargin (stream, 0); + +  if (pest.first) +    { +      /* Didn't print any switches, what's up?  */ +      if (!oshort (real) && !real->name) +	/* This is a group header, print it nicely.  */ +	print_header (real->doc, entry->argp, &pest); +      else +	/* Just a totally shadowed option or null header; print nothing.  */ +	goto cleanup;		/* Just return, after cleaning up.  */ +    } +  else +    { +      const char *tstr = real->doc ? dgettext (state->root_argp->argp_domain, +					       real->doc) : 0; +      const char *fstr = filter_doc (tstr, real->key, entry->argp, state); +      if (fstr && *fstr) +	{ +	  unsigned int col = __argp_fmtstream_point (stream); + +	  __argp_fmtstream_set_lmargin (stream, uparams.opt_doc_col); +	  __argp_fmtstream_set_wmargin (stream, uparams.opt_doc_col); + +	  if (col > (unsigned int) (uparams.opt_doc_col + 3)) +	    __argp_fmtstream_putc (stream, '\n'); +	  else if (col >= (unsigned int) uparams.opt_doc_col) +	    __argp_fmtstream_puts (stream, "   "); +	  else +	    indent_to (stream, uparams.opt_doc_col); + +	  __argp_fmtstream_puts (stream, fstr); +	} +      if (fstr && fstr != tstr) +	free ((char *) fstr); + +      /* Reset the left margin.  */ +      __argp_fmtstream_set_lmargin (stream, 0); +      __argp_fmtstream_putc (stream, '\n'); +    } + +  hhstate->prev_entry = entry; + +cleanup: +  __argp_fmtstream_set_lmargin (stream, old_lm); +  __argp_fmtstream_set_wmargin (stream, old_wm); +} + +/* Output a long help message about the options in HOL to STREAM.  */ +static void +hol_help (struct hol *hol, const struct argp_state *state, +	  argp_fmtstream_t stream) +{ +  unsigned num; +  struct hol_entry *entry; +  struct hol_help_state hhstate = { 0, 0, 0 }; + +  for (entry = hol->entries, num = hol->num_entries; num > 0; entry++, num--) +    hol_entry_help (entry, state, stream, &hhstate); + +  if (hhstate.suppressed_dup_arg && uparams.dup_args_note) +    { +      const char *tstr = dgettext (state->root_argp->argp_domain, "\ +Mandatory or optional arguments to long options are also mandatory or \ +optional for any corresponding short options."); +      const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_DUP_ARGS_NOTE, +				     state ? state->root_argp : 0, state); +      if (fstr && *fstr) +	{ +	  __argp_fmtstream_putc (stream, '\n'); +	  __argp_fmtstream_puts (stream, fstr); +	  __argp_fmtstream_putc (stream, '\n'); +	} +      if (fstr && fstr != tstr) +	free ((char *) fstr); +    } +} + +/* Helper functions for hol_usage.  */ + +/* If OPT is a short option without an arg, append its key to the string +   pointer pointer to by COOKIE, and advance the pointer.  */ +static int +add_argless_short_opt (const struct argp_option *opt, +		       const struct argp_option *real, +		       const char *domain UNUSED, void *cookie) +{ +  char **snao_end = cookie; +  if (!(opt->arg || real->arg) +      && !((opt->flags | real->flags) & OPTION_NO_USAGE)) +    *(*snao_end)++ = opt->key; +  return 0; +} + +/* If OPT is a short option with an arg, output a usage entry for it to the +   stream pointed at by COOKIE.  */ +static int +usage_argful_short_opt (const struct argp_option *opt, +			const struct argp_option *real, +			const char *domain UNUSED, void *cookie) +{ +  argp_fmtstream_t stream = cookie; +  const char *arg = opt->arg; +  int flags = opt->flags | real->flags; + +  if (! arg) +    arg = real->arg; + +  if (arg && !(flags & OPTION_NO_USAGE)) +    { +      arg = dgettext (domain, arg); + +      if (flags & OPTION_ARG_OPTIONAL) +	__argp_fmtstream_printf (stream, " [-%c[%s]]", opt->key, arg); +      else +	{ +	  /* Manually do line wrapping so that it (probably) won't +	     get wrapped at the embedded space.  */ +	  space (stream, 6 + strlen (arg)); +	  __argp_fmtstream_printf (stream, "[-%c %s]", opt->key, arg); +	} +    } + +  return 0; +} + +/* Output a usage entry for the long option opt to the stream pointed at by +   COOKIE.  */ +static int +usage_long_opt (const struct argp_option *opt, +		const struct argp_option *real, +		const char *domain UNUSED, void *cookie) +{ +  argp_fmtstream_t stream = cookie; +  const char *arg = opt->arg; +  int flags = opt->flags | real->flags; + +  if (! arg) +    arg = real->arg; + +  if (! (flags & OPTION_NO_USAGE)) +    { +      if (arg) +	{ +	  arg = dgettext (domain, arg); +	  if (flags & OPTION_ARG_OPTIONAL) +	    __argp_fmtstream_printf (stream, " [--%s[=%s]]", opt->name, arg); +	  else +	    __argp_fmtstream_printf (stream, " [--%s=%s]", opt->name, arg); +	} +      else +	__argp_fmtstream_printf (stream, " [--%s]", opt->name); +    } + +  return 0; +} + +/* Print a short usage description for the arguments in HOL to STREAM.  */ +static void +hol_usage (struct hol *hol, argp_fmtstream_t stream) +{ +  if (hol->num_entries > 0) +    { +      unsigned nentries; +      struct hol_entry *entry; +      char *short_no_arg_opts = alloca (strlen (hol->short_options) + 1); +      char *snao_end = short_no_arg_opts; + +      /* First we put a list of short options without arguments.  */ +      for (entry = hol->entries, nentries = hol->num_entries +	   ; nentries > 0 +	   ; entry++, nentries--) +	hol_entry_short_iterate (entry, add_argless_short_opt, +				 entry->argp->argp_domain, &snao_end); +      if (snao_end > short_no_arg_opts) +	{ +	  *snao_end++ = 0; +	  __argp_fmtstream_printf (stream, " [-%s]", short_no_arg_opts); +	} + +      /* Now a list of short options *with* arguments.  */ +      for (entry = hol->entries, nentries = hol->num_entries +	   ; nentries > 0 +	   ; entry++, nentries--) +	hol_entry_short_iterate (entry, usage_argful_short_opt, +				 entry->argp->argp_domain, stream); + +      /* Finally, a list of long options (whew!).  */ +      for (entry = hol->entries, nentries = hol->num_entries +	   ; nentries > 0 +	   ; entry++, nentries--) +	hol_entry_long_iterate (entry, usage_long_opt, +				entry->argp->argp_domain, stream); +    } +} + +/* Make a HOL containing all levels of options in ARGP.  CLUSTER is the +   cluster in which ARGP's entries should be clustered, or 0.  */ +static struct hol * +argp_hol (const struct argp *argp, struct hol_cluster *cluster) +{ +  const struct argp_child *child = argp->children; +  struct hol *hol = make_hol (argp, cluster); +  if (child) +    while (child->argp) +      { +	struct hol_cluster *child_cluster = +	  ((child->group || child->header) +	   /* Put CHILD->argp within its own cluster.  */ +	   ? hol_add_cluster (hol, child->group, child->header, +			      child - argp->children, cluster, argp) +	   /* Just merge it into the parent's cluster.  */ +	   : cluster); +	hol_append (hol, argp_hol (child->argp, child_cluster)) ; +	child++; +      } +  return hol; +} + +/* Calculate how many different levels with alternative args strings exist in +   ARGP.  */ +static size_t +argp_args_levels (const struct argp *argp) +{ +  size_t levels = 0; +  const struct argp_child *child = argp->children; + +  if (argp->args_doc && strchr (argp->args_doc, '\n')) +    levels++; + +  if (child) +    while (child->argp) +      levels += argp_args_levels ((child++)->argp); + +  return levels; +} + +/* Print all the non-option args documented in ARGP to STREAM.  Any output is +   preceded by a space.  LEVELS is a pointer to a byte vector the length +   returned by argp_args_levels; it should be initialized to zero, and +   updated by this routine for the next call if ADVANCE is true.  True is +   returned as long as there are more patterns to output.  */ +static int +argp_args_usage (const struct argp *argp, const struct argp_state *state, +		 char **levels, int advance, argp_fmtstream_t stream) +{ +  char *our_level = *levels; +  int multiple = 0; +  const struct argp_child *child = argp->children; +  const char *tdoc = dgettext (argp->argp_domain, argp->args_doc), *nl = 0; +  const char *fdoc = filter_doc (tdoc, ARGP_KEY_HELP_ARGS_DOC, argp, state); + +  if (fdoc) +    { +      const char *cp = fdoc; +      nl = __strchrnul (cp, '\n'); +      if (*nl != '\0') +	/* This is a `multi-level' args doc; advance to the correct position +	   as determined by our state in LEVELS, and update LEVELS.  */ +	{ +	  int i; +	  multiple = 1; +	  for (i = 0; i < *our_level; i++) +	    cp = nl + 1, nl = __strchrnul (cp, '\n'); +	  (*levels)++; +	} + +      /* Manually do line wrapping so that it (probably) won't get wrapped at +	 any embedded spaces.  */ +      space (stream, 1 + nl - cp); + +      __argp_fmtstream_write (stream, cp, nl - cp); +    } +  if (fdoc && fdoc != tdoc) +    free ((char *)fdoc);	/* Free user's modified doc string.  */ + +  if (child) +    while (child->argp) +      advance = !argp_args_usage ((child++)->argp, state, levels, advance, stream); + +  if (advance && multiple) +    { +      /* Need to increment our level.  */ +      if (*nl) +	/* There's more we can do here.  */ +	{ +	  (*our_level)++; +	  advance = 0;		/* Our parent shouldn't advance also. */ +	} +      else if (*our_level > 0) +	/* We had multiple levels, but used them up; reset to zero.  */ +	*our_level = 0; +    } + +  return !advance; +} + +/* Print the documentation for ARGP to STREAM; if POST is false, then +   everything preceeding a `\v' character in the documentation strings (or +   the whole string, for those with none) is printed, otherwise, everything +   following the `\v' character (nothing for strings without).  Each separate +   bit of documentation is separated a blank line, and if PRE_BLANK is true, +   then the first is as well.  If FIRST_ONLY is true, only the first +   occurrence is output.  Returns true if anything was output.  */ +static int +argp_doc (const struct argp *argp, const struct argp_state *state, +	  int post, int pre_blank, int first_only, +	  argp_fmtstream_t stream) +{ +  const char *text; +  const char *inp_text; +  void *input = 0; +  int anything = 0; +  size_t inp_text_limit = 0; +  const char *doc = dgettext (argp->argp_domain, argp->doc); +  const struct argp_child *child = argp->children; + +  if (doc) +    { +      char *vt = strchr (doc, '\v'); +      inp_text = post ? (vt ? vt + 1 : 0) : doc; +      inp_text_limit = (!post && vt) ? (vt - doc) : 0; +    } +  else +    inp_text = 0; + +  if (argp->help_filter) +    /* We have to filter the doc strings.  */ +    { +      if (inp_text_limit) +	/* Copy INP_TEXT so that it's nul-terminated.  */ +	inp_text = STRNDUP (inp_text, inp_text_limit); +      input = __argp_input (argp, state); +      text = +	(*argp->help_filter) (post +			      ? ARGP_KEY_HELP_POST_DOC +			      : ARGP_KEY_HELP_PRE_DOC, +			      inp_text, input); +    } +  else +    text = (const char *) inp_text; + +  if (text) +    { +      if (pre_blank) +	__argp_fmtstream_putc (stream, '\n'); + +      if (text == inp_text && inp_text_limit) +	__argp_fmtstream_write (stream, inp_text, inp_text_limit); +      else +	__argp_fmtstream_puts (stream, text); + +      if (__argp_fmtstream_point (stream) > __argp_fmtstream_lmargin (stream)) +	__argp_fmtstream_putc (stream, '\n'); + +      anything = 1; +    } + +  if (text && text != inp_text) +    free ((char *) text);	/* Free TEXT returned from the help filter.  */ +  if (inp_text && inp_text_limit && argp->help_filter) +    free ((char *) inp_text);	/* We copied INP_TEXT, so free it now.  */ + +  if (post && argp->help_filter) +    /* Now see if we have to output a ARGP_KEY_HELP_EXTRA text.  */ +    { +      text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input); +      if (text) +	{ +	  if (anything || pre_blank) +	    __argp_fmtstream_putc (stream, '\n'); +	  __argp_fmtstream_puts (stream, text); +	  free ((char *) text); +	  if (__argp_fmtstream_point (stream) +	      > __argp_fmtstream_lmargin (stream)) +	    __argp_fmtstream_putc (stream, '\n'); +	  anything = 1; +	} +    } + +  if (child) +    while (child->argp && !(first_only && anything)) +      anything |= +	argp_doc ((child++)->argp, state, +		  post, anything || pre_blank, first_only, +		  stream); + +  return anything; +} + +/* Output a usage message for ARGP to STREAM.  If called from +   argp_state_help, STATE is the relevent parsing state.  FLAGS are from the +   set ARGP_HELP_*.  NAME is what to use wherever a `program name' is +   needed. */ + +static void +_help (const struct argp *argp, const struct argp_state *state, FILE *stream, +       unsigned flags, const char *name) +{ +  int anything = 0;		/* Whether we've output anything.  */ +  struct hol *hol = 0; +  argp_fmtstream_t fs; + +  if (! stream) +    return; + +  FLOCKFILE (stream); + +  if (! uparams.valid) +    fill_in_uparams (state); + +  fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0); +  if (! fs) +    { +      FUNLOCKFILE (stream); +      return; +    } + +  if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG)) +    { +      hol = argp_hol (argp, 0); + +      /* If present, these options always come last.  */ +      hol_set_group (hol, "help", -1); +      hol_set_group (hol, "version", -1); + +      hol_sort (hol); +    } + +  if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE)) +    /* Print a short `Usage:' message.  */ +    { +      int first_pattern = 1, more_patterns; +      size_t num_pattern_levels = argp_args_levels (argp); +      char *pattern_levels = alloca (num_pattern_levels); + +      memset (pattern_levels, 0, num_pattern_levels); + +      do +	{ +	  int old_lm; +	  int old_wm = __argp_fmtstream_set_wmargin (fs, uparams.usage_indent); +	  char *levels = pattern_levels; + +	  if (first_pattern) +	    __argp_fmtstream_printf (fs, "%s %s", +				     dgettext (argp->argp_domain, "Usage:"), +				     name); +	  else +	    __argp_fmtstream_printf (fs, "%s %s", +				     dgettext (argp->argp_domain, "  or: "), +				     name); + +	  /* We set the lmargin as well as the wmargin, because hol_usage +	     manually wraps options with newline to avoid annoying breaks.  */ +	  old_lm = __argp_fmtstream_set_lmargin (fs, uparams.usage_indent); + +	  if (flags & ARGP_HELP_SHORT_USAGE) +	    /* Just show where the options go.  */ +	    { +	      if (hol->num_entries > 0) +		__argp_fmtstream_puts (fs, dgettext (argp->argp_domain, +						     " [OPTION...]")); +	    } +	  else +	    /* Actually print the options.  */ +	    { +	      hol_usage (hol, fs); +	      flags |= ARGP_HELP_SHORT_USAGE; /* But only do so once.  */ +	    } + +	  more_patterns = argp_args_usage (argp, state, &levels, 1, fs); + +	  __argp_fmtstream_set_wmargin (fs, old_wm); +	  __argp_fmtstream_set_lmargin (fs, old_lm); + +	  __argp_fmtstream_putc (fs, '\n'); +	  anything = 1; + +	  first_pattern = 0; +	} +      while (more_patterns); +    } + +  if (flags & ARGP_HELP_PRE_DOC) +    anything |= argp_doc (argp, state, 0, 0, 1, fs); + +  if (flags & ARGP_HELP_SEE) +    { +      __argp_fmtstream_printf (fs, dgettext (argp->argp_domain, "\ +Try `%s --help' or `%s --usage' for more information.\n"), +			       name, name); +      anything = 1; +    } + +  if (flags & ARGP_HELP_LONG) +    /* Print a long, detailed help message.  */ +    { +      /* Print info about all the options.  */ +      if (hol->num_entries > 0) +	{ +	  if (anything) +	    __argp_fmtstream_putc (fs, '\n'); +	  hol_help (hol, state, fs); +	  anything = 1; +	} +    } + +  if (flags & ARGP_HELP_POST_DOC) +    /* Print any documentation strings at the end.  */ +    anything |= argp_doc (argp, state, 1, anything, 0, fs); + +  if ((flags & ARGP_HELP_BUG_ADDR) && argp_program_bug_address) +    { +      if (anything) +	__argp_fmtstream_putc (fs, '\n'); +      __argp_fmtstream_printf (fs, dgettext (argp->argp_domain, +					     "Report bugs to %s.\n"), + 			       argp_program_bug_address); +      anything = 1; +    } + +  FUNLOCKFILE (stream); + +  if (hol) +    hol_free (hol); + +  __argp_fmtstream_free (fs); +} + +/* Output a usage message for ARGP to STREAM.  FLAGS are from the set +   ARGP_HELP_*.  NAME is what to use wherever a `program name' is needed. */ +void __argp_help (const struct argp *argp, FILE *stream, +		  unsigned flags, char *name) +{ +  _help (argp, 0, stream, flags, name); +} +#ifdef weak_alias +weak_alias (__argp_help, argp_help) +#endif + +char *__argp_basename(char *name) +{ +  char *short_name = strrchr(name, '/'); +  return short_name ? short_name + 1 : name; +} + +char * +__argp_short_program_name(const struct argp_state *state) +{ +  if (state) +    return state->name; +#if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME +  return program_invocation_short_name; +#elif HAVE_DECL_PROGRAM_INVOCATION_NAME +  return __argp_basename(program_invocation_name); +#else /* !HAVE_DECL_PROGRAM_INVOCATION_NAME */ +  /* FIXME: What now? Miles suggests that it is better to use NULL, +     but currently the value is passed on directly to fputs_unlocked, +     so that requires more changes. */ +# if __GNUC__ +  return ""; +# endif /* __GNUC__ */ +#endif /* !HAVE_DECL_PROGRAM_INVOCATION_NAME */ +} + +/* Output, if appropriate, a usage message for STATE to STREAM.  FLAGS are +   from the set ARGP_HELP_*.  */ +void +__argp_state_help (const struct argp_state *state, FILE *stream, unsigned flags) +{ +  if ((!state || ! (state->flags & ARGP_NO_ERRS)) && stream) +    { +      if (state && (state->flags & ARGP_LONG_ONLY)) +	flags |= ARGP_HELP_LONG_ONLY; + +      _help (state ? state->root_argp : 0, state, stream, flags, +	     __argp_short_program_name(state)); + +      if (!state || ! (state->flags & ARGP_NO_EXIT)) +	{ +	  if (flags & ARGP_HELP_EXIT_ERR) +	    exit (argp_err_exit_status); +	  if (flags & ARGP_HELP_EXIT_OK) +	    exit (0); +	} +  } +} +#ifdef weak_alias +weak_alias (__argp_state_help, argp_state_help) +#endif + +/* If appropriate, print the printf string FMT and following args, preceded +   by the program name and `:', to stderr, and followed by a `Try ... --help' +   message, then exit (1).  */ +void +__argp_error (const struct argp_state *state, const char *fmt, ...) +{ +  if (!state || !(state->flags & ARGP_NO_ERRS)) +    { +      FILE *stream = state ? state->err_stream : stderr; + +      if (stream) +	{ +	  va_list ap; + +	  FLOCKFILE (stream); + +	  FPUTS_UNLOCKED (__argp_short_program_name(state), +			  stream); +	  PUTC_UNLOCKED (':', stream); +	  PUTC_UNLOCKED (' ', stream); + +	  va_start (ap, fmt); +	  vfprintf (stream, fmt, ap); +	  va_end (ap); + +	  PUTC_UNLOCKED ('\n', stream); + +	  __argp_state_help (state, stream, ARGP_HELP_STD_ERR); + +	  FUNLOCKFILE (stream); +	} +    } +} +#ifdef weak_alias +weak_alias (__argp_error, argp_error) +#endif + +/* Similar to the standard gnu error-reporting function error(), but will +   respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print +   to STATE->err_stream.  This is useful for argument parsing code that is +   shared between program startup (when exiting is desired) and runtime +   option parsing (when typically an error code is returned instead).  The +   difference between this function and argp_error is that the latter is for +   *parsing errors*, and the former is for other problems that occur during +   parsing but don't reflect a (syntactic) problem with the input.  */ +void +__argp_failure (const struct argp_state *state, int status, int errnum, +		const char *fmt, ...) +{ +  if (!state || !(state->flags & ARGP_NO_ERRS)) +    { +      FILE *stream = state ? state->err_stream : stderr; + +      if (stream) +	{ +	  FLOCKFILE (stream); + +	  FPUTS_UNLOCKED (__argp_short_program_name(state), +			  stream); + +	  if (fmt) +	    { +	      va_list ap; + +	      PUTC_UNLOCKED (':', stream); +	      PUTC_UNLOCKED (' ', stream); + +	      va_start (ap, fmt); +	      vfprintf (stream, fmt, ap); +	      va_end (ap); +	    } + +	  if (errnum) +	    { +	      PUTC_UNLOCKED (':', stream); +	      PUTC_UNLOCKED (' ', stream); +	      fputs (STRERROR (errnum), stream); +	    } + +	  PUTC_UNLOCKED ('\n', stream); + +	  FUNLOCKFILE (stream); + +	  if (status && (!state || !(state->flags & ARGP_NO_EXIT))) +	    exit (status); +	} +    } +} +#ifdef weak_alias +weak_alias (__argp_failure, argp_failure) +#endif diff --git a/contrib/argp-standalone/argp-namefrob.h b/contrib/argp-standalone/argp-namefrob.h new file mode 100644 index 00000000000..0ce11481a7b --- /dev/null +++ b/contrib/argp-standalone/argp-namefrob.h @@ -0,0 +1,96 @@ +/* Name frobnication for compiling argp outside of glibc +   Copyright (C) 1997 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +#if !_LIBC +/* This code is written for inclusion in gnu-libc, and uses names in the +   namespace reserved for libc.  If we're not compiling in libc, define those +   names to be the normal ones instead.  */ + +/* argp-parse functions */ +#undef __argp_parse +#define __argp_parse argp_parse +#undef __option_is_end +#define __option_is_end _option_is_end +#undef __option_is_short +#define __option_is_short _option_is_short +#undef __argp_input +#define __argp_input _argp_input + +/* argp-help functions */ +#undef __argp_help +#define __argp_help argp_help +#undef __argp_error +#define __argp_error argp_error +#undef __argp_failure +#define __argp_failure argp_failure +#undef __argp_state_help +#define __argp_state_help argp_state_help +#undef __argp_usage +#define __argp_usage argp_usage +#undef __argp_basename +#define __argp_basename _argp_basename +#undef __argp_short_program_name +#define __argp_short_program_name _argp_short_program_name + +/* argp-fmtstream functions */ +#undef __argp_make_fmtstream +#define __argp_make_fmtstream argp_make_fmtstream +#undef __argp_fmtstream_free +#define __argp_fmtstream_free argp_fmtstream_free +#undef __argp_fmtstream_putc +#define __argp_fmtstream_putc argp_fmtstream_putc +#undef __argp_fmtstream_puts +#define __argp_fmtstream_puts argp_fmtstream_puts +#undef __argp_fmtstream_write +#define __argp_fmtstream_write argp_fmtstream_write +#undef __argp_fmtstream_printf +#define __argp_fmtstream_printf argp_fmtstream_printf +#undef __argp_fmtstream_set_lmargin +#define __argp_fmtstream_set_lmargin argp_fmtstream_set_lmargin +#undef __argp_fmtstream_set_rmargin +#define __argp_fmtstream_set_rmargin argp_fmtstream_set_rmargin +#undef __argp_fmtstream_set_wmargin +#define __argp_fmtstream_set_wmargin argp_fmtstream_set_wmargin +#undef __argp_fmtstream_point +#define __argp_fmtstream_point argp_fmtstream_point +#undef __argp_fmtstream_update +#define __argp_fmtstream_update _argp_fmtstream_update +#undef __argp_fmtstream_ensure +#define __argp_fmtstream_ensure _argp_fmtstream_ensure +#undef __argp_fmtstream_lmargin +#define __argp_fmtstream_lmargin argp_fmtstream_lmargin +#undef __argp_fmtstream_rmargin +#define __argp_fmtstream_rmargin argp_fmtstream_rmargin +#undef __argp_fmtstream_wmargin +#define __argp_fmtstream_wmargin argp_fmtstream_wmargin + +/* normal libc functions we call */ +#undef __sleep +#define __sleep sleep +#undef __strcasecmp +#define __strcasecmp strcasecmp +#undef __vsnprintf +#define __vsnprintf vsnprintf + +#endif /* !_LIBC */ + +#ifndef __set_errno +#define __set_errno(e) (errno = (e)) +#endif diff --git a/contrib/argp-standalone/argp-parse.c b/contrib/argp-standalone/argp-parse.c new file mode 100644 index 00000000000..78f7bf139b6 --- /dev/null +++ b/contrib/argp-standalone/argp-parse.c @@ -0,0 +1,1305 @@ +/* Hierarchial argument parsing +   Copyright (C) 1995, 96, 97, 98, 99, 2000,2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +#ifndef _GNU_SOURCE +# define _GNU_SOURCE	1 +#endif + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#if HAVE_ALLOCA_H +#include <alloca.h> +#endif + +#include <stdlib.h> +#include <string.h> +#if HAVE_UNISTD_H +# include <unistd.h> +#endif +#include <limits.h> +#include <assert.h> + +#if HAVE_MALLOC_H +/* Needed, for alloca on windows */ +# include <malloc.h> +#endif + +#ifndef _ +/* This is for other GNU distributions with internationalized messages. +   When compiling libc, the _ macro is predefined.  */ +# if defined HAVE_LIBINTL_H || defined _LIBC +#  include <libintl.h> +#  ifdef _LIBC +#   undef dgettext +#   define dgettext(domain, msgid) __dcgettext (domain, msgid, LC_MESSAGES) +#  endif +# else +#  define dgettext(domain, msgid) (msgid) +#  define gettext(msgid) (msgid) +# endif +#endif +#ifndef N_ +# define N_(msgid) (msgid) +#endif + +#if _LIBC - 0 +#include <bits/libc-lock.h> +#else +#ifdef HAVE_CTHREADS_H +#include <cthreads.h> +#endif +#endif /* _LIBC */ + +#include "argp.h" +#include "argp-namefrob.h" + + +/* The meta-argument used to prevent any further arguments being interpreted +   as options.  */ +#define QUOTE "--" + +/* EZ alias for ARGP_ERR_UNKNOWN.  */ +#define EBADKEY ARGP_ERR_UNKNOWN + + +/* Default options.  */ + +/* When argp is given the --HANG switch, _ARGP_HANG is set and argp will sleep +   for one second intervals, decrementing _ARGP_HANG until it's zero.  Thus +   you can force the program to continue by attaching a debugger and setting +   it to 0 yourself.  */ +volatile int _argp_hang; + +#define OPT_PROGNAME	-2 +#define OPT_USAGE	-3 +#if HAVE_SLEEP && HAVE_GETPID +#define OPT_HANG	-4 +#endif + +static const struct argp_option argp_default_options[] = +{ +  {"help",	  '?',    	0, 0,  N_("Give this help list"), -1}, +  {"usage",	  OPT_USAGE,	0, 0,  N_("Give a short usage message"), 0 }, +  {"program-name",OPT_PROGNAME,"NAME", OPTION_HIDDEN, +     N_("Set the program name"), 0}, +#if OPT_HANG +  {"HANG",	  OPT_HANG,    "SECS", OPTION_ARG_OPTIONAL | OPTION_HIDDEN, +     N_("Hang for SECS seconds (default 3600)"), 0 }, +#endif +  {0, 0, 0, 0, 0, 0} +}; + +static error_t +argp_default_parser (int key, char *arg, struct argp_state *state) +{ +  switch (key) +    { +    case '?': +      __argp_state_help (state, state->out_stream, ARGP_HELP_STD_HELP); +      break; +    case OPT_USAGE: +      __argp_state_help (state, state->out_stream, +		       ARGP_HELP_USAGE | ARGP_HELP_EXIT_OK); +      break; + +    case OPT_PROGNAME:		/* Set the program name.  */ +#if HAVE_DECL_PROGRAM_INVOCATION_NAME +      program_invocation_name = arg; +#endif +      /* [Note that some systems only have PROGRAM_INVOCATION_SHORT_NAME (aka +	 __PROGNAME), in which case, PROGRAM_INVOCATION_NAME is just defined +	 to be that, so we have to be a bit careful here.]  */ + +      /* Update what we use for messages.  */ + +      state->name = __argp_basename(arg); +       +#if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME +      program_invocation_short_name = state->name; +#endif + +      if ((state->flags & (ARGP_PARSE_ARGV0 | ARGP_NO_ERRS)) +	  == ARGP_PARSE_ARGV0) +	/* Update what getopt uses too.  */ +	state->argv[0] = arg; + +      break; +       +#if OPT_HANG +    case OPT_HANG: +      _argp_hang = atoi (arg ? arg : "3600"); +      fprintf(state->err_stream, "%s: pid = %ld\n", +	      state->name, (long) getpid()); +      while (_argp_hang-- > 0) +	__sleep (1); +      break; +#endif +       +    default: +      return EBADKEY; +    } +  return 0; +} + +static const struct argp argp_default_argp = +  {argp_default_options, &argp_default_parser, NULL, NULL, NULL, NULL, "libc"}; + + +static const struct argp_option argp_version_options[] = +{ +  {"version",	  'V',    	0, 0,  N_("Print program version"), -1}, +  {0, 0, 0, 0, 0, 0 } +}; + +static error_t +argp_version_parser (int key, char *arg UNUSED, struct argp_state *state) +{ +  switch (key) +    { +    case 'V': +      if (argp_program_version_hook) +	(*argp_program_version_hook) (state->out_stream, state); +      else if (argp_program_version) +	fprintf (state->out_stream, "%s\n", argp_program_version); +      else +	__argp_error (state, dgettext (state->root_argp->argp_domain, +				       "(PROGRAM ERROR) No version known!?")); +      if (! (state->flags & ARGP_NO_EXIT)) +	exit (0); +      break; +    default: +      return EBADKEY; +    } +  return 0; +} + +static const struct argp argp_version_argp = +  {argp_version_options, &argp_version_parser, NULL, NULL, NULL, NULL, "libc"}; + + + +/* The state of a `group' during parsing.  Each group corresponds to a +   particular argp structure from the tree of such descending from the top +   level argp passed to argp_parse.  */ +struct group +{ +  /* This group's parsing function.  */ +  argp_parser_t parser; + +  /* Which argp this group is from.  */ +  const struct argp *argp; + +  /* The number of non-option args sucessfully handled by this parser.  */ +  unsigned args_processed; + +  /* This group's parser's parent's group.  */ +  struct group *parent; +  unsigned parent_index;	/* And the our position in the parent.   */ + +  /* These fields are swapped into and out of the state structure when +     calling this group's parser.  */ +  void *input, **child_inputs; +  void *hook; +}; + +/* Call GROUP's parser with KEY and ARG, swapping any group-specific info +   from STATE before calling, and back into state afterwards.  If GROUP has +   no parser, EBADKEY is returned.  */ +static error_t +group_parse (struct group *group, struct argp_state *state, int key, char *arg) +{ +  if (group->parser) +    { +      error_t err; +      state->hook = group->hook; +      state->input = group->input; +      state->child_inputs = group->child_inputs; +      state->arg_num = group->args_processed; +      err = (*group->parser)(key, arg, state); +      group->hook = state->hook; +      return err; +    } +  else +    return EBADKEY; +} + +struct parser +{ +  const struct argp *argp; + +  const char *posixly_correct; +   +  /* True if there are only no-option arguments left, which are just +     passed verbatim with ARGP_KEY_ARG. This is set if we encounter a +     quote, or the end of the proper options, but may be cleared again +     if the user moves the next argument pointer backwards. */ +  int args_only; + +  /* Describe how to deal with options that follow non-option ARGV-elements. + +     If the caller did not specify anything, the default is +     REQUIRE_ORDER if the environment variable POSIXLY_CORRECT is +     defined, PERMUTE otherwise. + +     REQUIRE_ORDER means don't recognize them as options; stop option +     processing when the first non-option is seen. This is what Unix +     does. This mode of operation is selected by either setting the +     environment variable POSIXLY_CORRECT, or using `+' as the first +     character of the list of option characters. + +     PERMUTE is the default. We permute the contents of ARGV as we +     scan, so that eventually all the non-options are at the end. This +     allows options to be given in any order, even with programs that +     were not written to expect this. + +     RETURN_IN_ORDER is an option available to programs that were +     written to expect options and other ARGV-elements in any order +     and that care about the ordering of the two. We describe each +     non-option ARGV-element as if it were the argument of an option +     with character code 1. Using `-' as the first character of the +     list of option characters selects this mode of operation. + +  */ +  enum { REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER } ordering; + +  /* A segment of non-option arguments that have been skipped for +     later processing, after all options. `first_nonopt' is the index +     in ARGV of the first of them; `last_nonopt' is the index after +     the last of them. + +     If quoted or args_only is non-zero, this segment should be empty. */ + +  /* FIXME: I'd prefer to use unsigned, but it's more consistent to +     use the same type as for state.next. */ +  int first_nonopt; +  int last_nonopt; +   +  /* String of all recognized short options. Needed for ARGP_LONG_ONLY. */ +  /* FIXME: Perhaps change to a pointer to a suitable bitmap instead? */ +  char *short_opts; + +  /* For parsing combined short options. */ +  char *nextchar; +   +  /* States of the various parsing groups.  */ +  struct group *groups; +  /* The end of the GROUPS array.  */ +  struct group *egroup; +  /* An vector containing storage for the CHILD_INPUTS field in all groups.  */ +  void **child_inputs; +   +  /* State block supplied to parsing routines.  */ +  struct argp_state state; + +  /* Memory used by this parser.  */ +  void *storage; +}; + +/* Search for a group defining a short option. */ +static const struct argp_option * +find_short_option(struct parser *parser, int key, struct group **p) +{ +  struct group *group; +   +  assert(key >= 0); +  assert(isascii(key)); + +  for (group = parser->groups; group < parser->egroup; group++) +    { +      const struct argp_option *opts; + +      for (opts = group->argp->options; !__option_is_end(opts); opts++) +	if (opts->key == key) +	  { +	    *p = group; +	    return opts; +	  } +    } +  return NULL; +} + +enum match_result { MATCH_EXACT, MATCH_PARTIAL, MATCH_NO }; + +/* If defined, allow complete.el-like abbreviations of long options. */ +#ifndef ARGP_COMPLETE +#define ARGP_COMPLETE 0 +#endif + +/* Matches an encountern long-option argument ARG against an option NAME. + * ARG is terminated by NUL or '='. */ +static enum match_result +match_option(const char *arg, const char *name) +{ +  unsigned i, j; +  for (i = j = 0;; i++, j++) +    { +      switch(arg[i]) +	{ +	case '\0': +	case '=': +	  return name[j] ? MATCH_PARTIAL : MATCH_EXACT; +#if ARGP_COMPLETE +	case '-': +	  while (name[j] != '-') +	    if (!name[j++]) +	      return MATCH_NO; +	  break; +#endif +	default: +	  if (arg[i] != name[j]) +	    return MATCH_NO; +	} +    } +} + +static const struct argp_option * +find_long_option(struct parser *parser, +		 const char *arg, +		 struct group **p) +{ +  struct group *group; + +  /* Partial match found so far. */ +  struct group *matched_group = NULL; +  const struct argp_option *matched_option = NULL; + +  /* Number of partial matches. */ +  int num_partial = 0; + +  for (group = parser->groups; group < parser->egroup; group++) +    { +      const struct argp_option *opts; + +      for (opts = group->argp->options; !__option_is_end(opts); opts++) +	{ +	  if (!opts->name) +	    continue; +	  switch (match_option(arg, opts->name)) +	    { +	    case MATCH_NO: +	      break; +	    case MATCH_PARTIAL: +	      num_partial++; + +	      matched_group = group; +	      matched_option = opts; + +	      break; +	    case MATCH_EXACT: +	      /* Exact match. */ +	      *p = group; +	      return opts; +	    } +	} +    } +  if (num_partial == 1) +    { +      *p = matched_group; +      return matched_option; +    } + +  return NULL; +} + + +/* The next usable entries in the various parser tables being filled in by +   convert_options.  */ +struct parser_convert_state +{ +  struct parser *parser; +  char *short_end; +  void **child_inputs_end; +}; + +/* Initialize GROUP from ARGP. If CVT->SHORT_END is non-NULL, short +   options are recorded in the short options string. Returns the next +   unused group entry. CVT holds state used during the conversion. */ +static struct group * +convert_options (const struct argp *argp, +		 struct group *parent, unsigned parent_index, +		 struct group *group, struct parser_convert_state *cvt) +{ +  const struct argp_option *opt = argp->options; +  const struct argp_child *children = argp->children; + +  if (opt || argp->parser) +    { +      /* This parser needs a group. */ +      if (cvt->short_end) +	{ +	  /* Record any short options. */ +	  for ( ; !__option_is_end (opt); opt++) +	    if (__option_is_short(opt)) +	      *cvt->short_end++ = opt->key; +	} +       +      group->parser = argp->parser; +      group->argp = argp; +      group->args_processed = 0; +      group->parent = parent; +      group->parent_index = parent_index; +      group->input = 0; +      group->hook = 0; +      group->child_inputs = 0; +       +      if (children) +	/* Assign GROUP's CHILD_INPUTS field some space from +	   CVT->child_inputs_end.*/ +	{ +	  unsigned num_children = 0; +	  while (children[num_children].argp) +	    num_children++; +	  group->child_inputs = cvt->child_inputs_end; +	  cvt->child_inputs_end += num_children; +	} +      parent = group++; +    } +  else +    parent = 0; + +  if (children) +    { +      unsigned index = 0; +      while (children->argp) +	group = +	  convert_options (children++->argp, parent, index++, group, cvt); +    } + +  return group; +} +/* Allocate and initialize the group structures, so that they are +   ordered as if by traversing the corresponding argp parser tree in +   pre-order. Also build the list of short options, if that is needed. */ +static void +parser_convert (struct parser *parser, const struct argp *argp) +{ +  struct parser_convert_state cvt; + +  cvt.parser = parser; +  cvt.short_end = parser->short_opts; +  cvt.child_inputs_end = parser->child_inputs; + +  parser->argp = argp; + +  if (argp) +    parser->egroup = convert_options (argp, 0, 0, parser->groups, &cvt); +  else +    parser->egroup = parser->groups; /* No parsers at all! */ + +  if (parser->short_opts) +    *cvt.short_end ='\0'; +} + +/* Lengths of various parser fields which we will allocated.  */ +struct parser_sizes +{ +  /* Needed only ARGP_LONG_ONLY */ +  size_t short_len;		/* Number of short options.  */ + +  size_t num_groups;		/* Group structures we allocate.  */ +  size_t num_child_inputs;	/* Child input slots.  */ +}; + +/* For ARGP, increments the NUM_GROUPS field in SZS by the total +   number of argp structures descended from it, and the SHORT_LEN by +   the total number of short options. */ +static void +calc_sizes (const struct argp *argp,  struct parser_sizes *szs) +{ +  const struct argp_child *child = argp->children; +  const struct argp_option *opt = argp->options; + +  if (opt || argp->parser) +    { +      /* This parser needs a group. */ +      szs->num_groups++; +      if (opt) +	{ +	  while (__option_is_short (opt++)) +	    szs->short_len++; +	} +    } + +  if (child) +    while (child->argp) +      { +	calc_sizes ((child++)->argp, szs); +	szs->num_child_inputs++; +      } +} + +/* Initializes PARSER to parse ARGP in a manner described by FLAGS.  */ +static error_t +parser_init (struct parser *parser, const struct argp *argp, +	     int argc, char **argv, int flags, void *input) +{ +  error_t err = 0; +  struct group *group; +  struct parser_sizes szs; + +  parser->posixly_correct = getenv ("POSIXLY_CORRECT"); + +  if (flags & ARGP_IN_ORDER) +    parser->ordering = RETURN_IN_ORDER; +  else if (flags & ARGP_NO_ARGS) +    parser->ordering = REQUIRE_ORDER; +  else if (parser->posixly_correct) +    parser->ordering = REQUIRE_ORDER; +  else +    parser->ordering = PERMUTE; +   +  szs.short_len = 0; +  szs.num_groups = 0; +  szs.num_child_inputs = 0; + +  if (argp) +    calc_sizes (argp, &szs); + +  if (!(flags & ARGP_LONG_ONLY)) +    /* We have no use for the short option array. */ +    szs.short_len = 0; +   +  /* Lengths of the various bits of storage used by PARSER.  */ +#define GLEN (szs.num_groups + 1) * sizeof (struct group) +#define CLEN (szs.num_child_inputs * sizeof (void *)) +#define SLEN (szs.short_len + 1) +#define STORAGE(offset) ((void *) (((char *) parser->storage) + (offset))) + +  parser->storage = malloc (GLEN + CLEN + SLEN); +  if (! parser->storage) +    return ENOMEM; + +  parser->groups = parser->storage; + +  parser->child_inputs = STORAGE(GLEN); +  memset (parser->child_inputs, 0, szs.num_child_inputs * sizeof (void *)); + +  if (flags & ARGP_LONG_ONLY) +    parser->short_opts = STORAGE(GLEN + CLEN); +  else +    parser->short_opts = NULL; + +  parser_convert (parser, argp); + +  memset (&parser->state, 0, sizeof (struct argp_state)); +   +  parser->state.root_argp = parser->argp; +  parser->state.argc = argc; +  parser->state.argv = argv; +  parser->state.flags = flags; +  parser->state.err_stream = stderr; +  parser->state.out_stream = stdout; +  parser->state.pstate = parser; + +  parser->args_only = 0; +  parser->nextchar = NULL; +  parser->first_nonopt = parser->last_nonopt = 0; +     +  /* Call each parser for the first time, giving it a chance to propagate +     values to child parsers.  */ +  if (parser->groups < parser->egroup) +    parser->groups->input = input; +  for (group = parser->groups; +       group < parser->egroup && (!err || err == EBADKEY); +       group++) +    { +      if (group->parent) +	/* If a child parser, get the initial input value from the parent. */ +	group->input = group->parent->child_inputs[group->parent_index]; + +      if (!group->parser +	  && group->argp->children && group->argp->children->argp) +	/* For the special case where no parsing function is supplied for an +	   argp, propagate its input to its first child, if any (this just +	   makes very simple wrapper argps more convenient).  */ +	group->child_inputs[0] = group->input; + +      err = group_parse (group, &parser->state, ARGP_KEY_INIT, 0); +    } +  if (err == EBADKEY) +    err = 0;			/* Some parser didn't understand.  */ + +  if (err) +    return err; + +  if (argv[0] && !(parser->state.flags & ARGP_PARSE_ARGV0)) +    /* There's an argv[0]; use it for messages.  */ +    { +      parser->state.name = __argp_basename(argv[0]); + +      /* Don't parse it as an argument. */ +      parser->state.next = 1; +    } +  else +    parser->state.name = __argp_short_program_name(NULL); +   +  return 0; +} + +/* Free any storage consumed by PARSER (but not PARSER itself).  */ +static error_t +parser_finalize (struct parser *parser, +		 error_t err, int arg_ebadkey, int *end_index) +{ +  struct group *group; + +  if (err == EBADKEY && arg_ebadkey) +    /* Suppress errors generated by unparsed arguments.  */ +    err = 0; + +  if (! err) +    { +      if (parser->state.next == parser->state.argc) +	/* We successfully parsed all arguments!  Call all the parsers again, +	   just a few more times... */ +	{ +	  for (group = parser->groups; +	       group < parser->egroup && (!err || err==EBADKEY); +	       group++) +	    if (group->args_processed == 0) +	      err = group_parse (group, &parser->state, ARGP_KEY_NO_ARGS, 0); +	  for (group = parser->egroup - 1; +	       group >= parser->groups && (!err || err==EBADKEY); +	       group--) +	    err = group_parse (group, &parser->state, ARGP_KEY_END, 0); + +	  if (err == EBADKEY) +	    err = 0;		/* Some parser didn't understand.  */ + +	  /* Tell the user that all arguments are parsed.  */ +	  if (end_index) +	    *end_index = parser->state.next; +	} +      else if (end_index) +	/* Return any remaining arguments to the user.  */ +	*end_index = parser->state.next; +      else +	/* No way to return the remaining arguments, they must be bogus. */ +	{ +	  if (!(parser->state.flags & ARGP_NO_ERRS) +	      && parser->state.err_stream) +	    fprintf (parser->state.err_stream, +		     dgettext (parser->argp->argp_domain, +			       "%s: Too many arguments\n"), +		     parser->state.name); +	  err = EBADKEY; +	} +    } + +  /* Okay, we're all done, with either an error or success; call the parsers +     to indicate which one.  */ + +  if (err) +    { +      /* Maybe print an error message.  */ +      if (err == EBADKEY) +	/* An appropriate message describing what the error was should have +	   been printed earlier.  */ +	__argp_state_help (&parser->state, parser->state.err_stream, +			   ARGP_HELP_STD_ERR); + +      /* Since we didn't exit, give each parser an error indication.  */ +      for (group = parser->groups; group < parser->egroup; group++) +	group_parse (group, &parser->state, ARGP_KEY_ERROR, 0); +    } +  else +    /* Notify parsers of success, and propagate back values from parsers.  */ +    { +      /* We pass over the groups in reverse order so that child groups are +	 given a chance to do there processing before passing back a value to +	 the parent.  */ +      for (group = parser->egroup - 1 +	   ; group >= parser->groups && (!err || err == EBADKEY) +	   ; group--) +	err = group_parse (group, &parser->state, ARGP_KEY_SUCCESS, 0); +      if (err == EBADKEY) +	err = 0;		/* Some parser didn't understand.  */ +    } + +  /* Call parsers once more, to do any final cleanup.  Errors are ignored.  */ +  for (group = parser->egroup - 1; group >= parser->groups; group--) +    group_parse (group, &parser->state, ARGP_KEY_FINI, 0); + +  if (err == EBADKEY) +    err = EINVAL; + +  free (parser->storage); + +  return err; +} + +/* Call the user parsers to parse the non-option argument VAL, at the +   current position, returning any error. The state NEXT pointer +   should point to the argument; this function will adjust it +   correctly to reflect however many args actually end up being +   consumed. */ +static error_t +parser_parse_arg (struct parser *parser, char *val) +{ +  /* Save the starting value of NEXT */ +  int index = parser->state.next; +  error_t err = EBADKEY; +  struct group *group; +  int key = 0;			/* Which of ARGP_KEY_ARG[S] we used.  */ + +  /* Try to parse the argument in each parser.  */ +  for (group = parser->groups +       ; group < parser->egroup && err == EBADKEY +       ; group++) +    { +      parser->state.next++;	/* For ARGP_KEY_ARG, consume the arg.  */ +      key = ARGP_KEY_ARG; +      err = group_parse (group, &parser->state, key, val); + +      if (err == EBADKEY) +	/* This parser doesn't like ARGP_KEY_ARG; try ARGP_KEY_ARGS instead. */ +	{ +	  parser->state.next--;	/* For ARGP_KEY_ARGS, put back the arg.  */ +	  key = ARGP_KEY_ARGS; +	  err = group_parse (group, &parser->state, key, 0); +	} +    } + +  if (! err) +    { +      if (key == ARGP_KEY_ARGS) +	/* The default for ARGP_KEY_ARGS is to assume that if NEXT isn't +	   changed by the user, *all* arguments should be considered +	   consumed.  */ +	parser->state.next = parser->state.argc; + +      if (parser->state.next > index) +	/* Remember that we successfully processed a non-option +	   argument -- but only if the user hasn't gotten tricky and set +	   the clock back.  */ +	(--group)->args_processed += (parser->state.next - index); +      else +	/* The user wants to reparse some args, so try looking for options again.  */ +	parser->args_only = 0; +    } + +  return err; +} + +/* Exchange two adjacent subsequences of ARGV. +   One subsequence is elements [first_nonopt,last_nonopt) +   which contains all the non-options that have been skipped so far. +   The other is elements [last_nonopt,next), which contains all +   the options processed since those non-options were skipped. + +   `first_nonopt' and `last_nonopt' are relocated so that they describe +   the new indices of the non-options in ARGV after they are moved.  */ + +static void +exchange (struct parser *parser) +{ +  int bottom = parser->first_nonopt; +  int middle = parser->last_nonopt; +  int top = parser->state.next; +  char **argv = parser->state.argv; +   +  char *tem; + +  /* Exchange the shorter segment with the far end of the longer segment. +     That puts the shorter segment into the right place. +     It leaves the longer segment in the right place overall, +     but it consists of two parts that need to be swapped next.  */ + +  while (top > middle && middle > bottom) +    { +      if (top - middle > middle - bottom) +	{ +	  /* Bottom segment is the short one.  */ +	  int len = middle - bottom; +	  register int i; + +	  /* Swap it with the top part of the top segment.  */ +	  for (i = 0; i < len; i++) +	    { +	      tem = argv[bottom + i]; +	      argv[bottom + i] = argv[top - (middle - bottom) + i]; +	      argv[top - (middle - bottom) + i] = tem; +	    } +	  /* Exclude the moved bottom segment from further swapping.  */ +	  top -= len; +	} +      else +	{ +	  /* Top segment is the short one.  */ +	  int len = top - middle; +	  register int i; + +	  /* Swap it with the bottom part of the bottom segment.  */ +	  for (i = 0; i < len; i++) +	    { +	      tem = argv[bottom + i]; +	      argv[bottom + i] = argv[middle + i]; +	      argv[middle + i] = tem; +	    } +	  /* Exclude the moved top segment from further swapping.  */ +	  bottom += len; +	} +    } + +  /* Update records for the slots the non-options now occupy.  */ + +  parser->first_nonopt += (parser->state.next - parser->last_nonopt); +  parser->last_nonopt = parser->state.next; +} + + + +enum arg_type { ARG_ARG, ARG_SHORT_OPTION, +		ARG_LONG_OPTION, ARG_LONG_ONLY_OPTION, +		ARG_QUOTE }; + +static enum arg_type +classify_arg(struct parser *parser, char *arg, char **opt) +{ +  if (arg[0] == '-') +    /* Looks like an option... */ +    switch (arg[1]) +      { +      case '\0': +	/* "-" is not an option. */ +	return ARG_ARG; +      case '-': +	/* Long option, or quote. */ +	if (!arg[2]) +	  return ARG_QUOTE; +	   +	/* A long option. */ +	if (opt) +	  *opt = arg + 2; +	return ARG_LONG_OPTION; + +      default: +	/* Short option. But if ARGP_LONG_ONLY, it can also be a long option. */ + +	if (opt) +	  *opt = arg + 1; + +	if (parser->state.flags & ARGP_LONG_ONLY) +	  { +	    /* Rules from getopt.c: + +	       If long_only and the ARGV-element has the form "-f", +	       where f is a valid short option, don't consider it an +	       abbreviated form of a long option that starts with f. +	       Otherwise there would be no way to give the -f short +	       option. + +	       On the other hand, if there's a long option "fubar" and +	       the ARGV-element is "-fu", do consider that an +	       abbreviation of the long option, just like "--fu", and +	       not "-f" with arg "u". + +	       This distinction seems to be the most useful approach. */ + +	    assert(parser->short_opts); +	     +	    if (arg[2] || !strchr(parser->short_opts, arg[1])) +	      return ARG_LONG_ONLY_OPTION; +	  } + +	return ARG_SHORT_OPTION; +      } +   +  else +    return ARG_ARG; +} + +/* Parse the next argument in PARSER (as indicated by PARSER->state.next). +   Any error from the parsers is returned, and *ARGP_EBADKEY indicates +   whether a value of EBADKEY is due to an unrecognized argument (which is +   generally not fatal).  */ +static error_t +parser_parse_next (struct parser *parser, int *arg_ebadkey) +{ +  if (parser->state.quoted && parser->state.next < parser->state.quoted) +    /* The next argument pointer has been moved to before the quoted +       region, so pretend we never saw the quoting `--', and start +       looking for options again. If the `--' is still there we'll just +       process it one more time. */ +    parser->state.quoted = parser->args_only = 0; + +  /* Give FIRST_NONOPT & LAST_NONOPT rational values if NEXT has been +     moved back by the user (who may also have changed the arguments).  */ +  if (parser->last_nonopt > parser->state.next) +    parser->last_nonopt = parser->state.next; +  if (parser->first_nonopt > parser->state.next) +    parser->first_nonopt = parser->state.next; + +  if (parser->nextchar) +    /* Deal with short options. */ +    { +      struct group *group; +      char c; +      const struct argp_option *option; +      char *value = NULL;; + +      assert(!parser->args_only); + +      c = *parser->nextchar++; +       +      option = find_short_option(parser, c, &group); +      if (!option) +	{ +	  if (parser->posixly_correct) +	    /* 1003.2 specifies the format of this message.  */ +	    fprintf (parser->state.err_stream, +		     dgettext(parser->state.root_argp->argp_domain, +			      "%s: illegal option -- %c\n"), +		     parser->state.name, c); +	  else +	    fprintf (parser->state.err_stream, +		     dgettext(parser->state.root_argp->argp_domain, +			      "%s: invalid option -- %c\n"), +		     parser->state.name, c); + +	  *arg_ebadkey = 0; +	  return EBADKEY; +	} + +      if (!*parser->nextchar) +	parser->nextchar = NULL; + +      if (option->arg) +	{ +	  value = parser->nextchar; +	  parser->nextchar = NULL; +	       +	  if (!value +	      && !(option->flags & OPTION_ARG_OPTIONAL)) +	    /* We need an mandatory argument. */ +	    { +	      if (parser->state.next == parser->state.argc) +		/* Missing argument */ +		{ +		  /* 1003.2 specifies the format of this message.  */ +		  fprintf (parser->state.err_stream, +			   dgettext(parser->state.root_argp->argp_domain, +				    "%s: option requires an argument -- %c\n"), +			   parser->state.name, c); + +		  *arg_ebadkey = 0; +		  return EBADKEY; +		} +	      value = parser->state.argv[parser->state.next++]; +	    } +	} +      return group_parse(group, &parser->state, +			 option->key, value); +    } +  else +    /* Advance to the next ARGV-element.  */ +    { +      if (parser->args_only) +	{ +	  *arg_ebadkey = 1; +	  if (parser->state.next >= parser->state.argc) +	    /* We're done. */ +	    return EBADKEY; +	  else +	    return parser_parse_arg(parser, +				    parser->state.argv[parser->state.next]); +	} +       +      if (parser->state.next >= parser->state.argc) +	/* Almost done. If there are non-options that we skipped +	   previously, we should process them now. */ +	{ +	  *arg_ebadkey = 1; +	  if (parser->first_nonopt != parser->last_nonopt) +	    { +	      exchange(parser); +	       +	      /* Start processing the arguments we skipped previously. */ +	      parser->state.next = parser->first_nonopt; +	       +	      parser->first_nonopt = parser->last_nonopt = 0; + +	      parser->args_only = 1; +	      return 0; +	    } +	  else +	    /* Indicate that we're really done. */ +	    return EBADKEY; +	} +      else +	/* Look for options. */ +	{ +	  char *arg = parser->state.argv[parser->state.next]; + +	  char *optstart; +	  enum arg_type token = classify_arg(parser, arg, &optstart); +	   +	  switch (token) +	    { +	    case ARG_ARG: +	      switch (parser->ordering) +		{ +		case PERMUTE: +		  if (parser->first_nonopt == parser->last_nonopt) +		    /* Skipped sequence is empty; start a new one. */ +		    parser->first_nonopt = parser->last_nonopt = parser->state.next; + +		  else if (parser->last_nonopt != parser->state.next) +		    /* We have a non-empty skipped sequence, and +		       we're not at the end-point, so move it. */ +		    exchange(parser); + +		  assert(parser->last_nonopt == parser->state.next); +		   +		  /* Skip this argument for now. */ +		  parser->state.next++; +		  parser->last_nonopt = parser->state.next;  +		   +		  return 0; + +		case REQUIRE_ORDER: +		  /* Implicit quote before the first argument. */ +		   parser->args_only = 1; +		   return 0; +		    +		case RETURN_IN_ORDER: +		  *arg_ebadkey = 1; +		  return parser_parse_arg(parser, arg); + +		default: +		  abort(); +		} +	    case ARG_QUOTE: +	      /* Skip it, then exchange with any previous non-options. */ +	      parser->state.next++; +	      assert (parser->last_nonopt != parser->state.next); + +	      if (parser->first_nonopt != parser->last_nonopt) +		{ +		  exchange(parser); +		   +		  /* Start processing the skipped and the quoted +		     arguments. */ + +		  parser->state.quoted = parser->state.next = parser->first_nonopt; + +		  /* Also empty the skipped-list, to avoid confusion +		     if the user resets the next pointer. */ +		  parser->first_nonopt = parser->last_nonopt = 0; +		} +	      else +		parser->state.quoted = parser->state.next; + +	      parser->args_only = 1;	       +	      return 0; + +	    case ARG_LONG_ONLY_OPTION: +	    case ARG_LONG_OPTION: +	      { +		struct group *group; +		const struct argp_option *option; +		char *value; + +		parser->state.next++; +		option = find_long_option(parser, optstart, &group); +		 +		if (!option) +		  { +		    /* NOTE: This includes any "=something" in the output. */ +		    fprintf (parser->state.err_stream, +			     dgettext(parser->state.root_argp->argp_domain, +				      "%s: unrecognized option `%s'\n"), +			     parser->state.name, arg); +		    *arg_ebadkey = 0; +		    return EBADKEY; +		  } + +		value = strchr(optstart, '='); +		if (value) +		  value++; +		 +		if (value && !option->arg) +		  /* Unexpected argument. */ +		  { +		    if (token == ARG_LONG_OPTION) +		      /* --option */ +		      fprintf (parser->state.err_stream, +			       dgettext(parser->state.root_argp->argp_domain, +					"%s: option `--%s' doesn't allow an argument\n"), +			       parser->state.name, option->name); +		    else +		      /* +option or -option */ +		      fprintf (parser->state.err_stream, +			       dgettext(parser->state.root_argp->argp_domain, +					"%s: option `%c%s' doesn't allow an argument\n"), +			       parser->state.name, arg[0], option->name); + +		    *arg_ebadkey = 0; +		    return EBADKEY; +		  } +		 +		if (option->arg && !value +		    && !(option->flags & OPTION_ARG_OPTIONAL)) +		  /* We need an mandatory argument. */ +		  { +		    if (parser->state.next == parser->state.argc) +		      /* Missing argument */ +		      { +			if (token == ARG_LONG_OPTION) +			  /* --option */ +			  fprintf (parser->state.err_stream, +				   dgettext(parser->state.root_argp->argp_domain, +					    "%s: option `--%s' requires an argument\n"), +				 parser->state.name, option->name); +			else +			  /* +option or -option */ +			  fprintf (parser->state.err_stream, +				   dgettext(parser->state.root_argp->argp_domain, +					    "%s: option `%c%s' requires an argument\n"), +				   parser->state.name, arg[0], option->name); + +			*arg_ebadkey = 0; +			return EBADKEY; +		      } + +		    value = parser->state.argv[parser->state.next++]; +		  } +		*arg_ebadkey = 0; +		return group_parse(group, &parser->state, +				   option->key, value); +	      } +	    case ARG_SHORT_OPTION: +	      parser->state.next++; +	      parser->nextchar = optstart; +	      return 0; + +	    default: +	      abort(); +	    } +	} +    } +} + +/* Parse the options strings in ARGC & ARGV according to the argp in ARGP. +   FLAGS is one of the ARGP_ flags above.  If END_INDEX is non-NULL, the +   index in ARGV of the first unparsed option is returned in it.  If an +   unknown option is present, EINVAL is returned; if some parser routine +   returned a non-zero value, it is returned; otherwise 0 is returned.  */ +error_t +__argp_parse (const struct argp *argp, int argc, char **argv, unsigned flags, +	      int *end_index, void *input) +{ +  error_t err; +  struct parser parser; + +  /* If true, then err == EBADKEY is a result of a non-option argument failing +     to be parsed (which in some cases isn't actually an error).  */ +  int arg_ebadkey = 0; + +  if (! (flags & ARGP_NO_HELP)) +    /* Add our own options.  */ +    { +      struct argp_child *child = alloca (4 * sizeof (struct argp_child)); +      struct argp *top_argp = alloca (sizeof (struct argp)); + +      /* TOP_ARGP has no options, it just serves to group the user & default +	 argps.  */ +      memset (top_argp, 0, sizeof (*top_argp)); +      top_argp->children = child; + +      memset (child, 0, 4 * sizeof (struct argp_child)); + +      if (argp) +	(child++)->argp = argp; +      (child++)->argp = &argp_default_argp; +      if (argp_program_version || argp_program_version_hook) +	(child++)->argp = &argp_version_argp; +      child->argp = 0; + +      argp = top_argp; +    } + +  /* Construct a parser for these arguments.  */ +  err = parser_init (&parser, argp, argc, argv, flags, input); + +  if (! err) +    /* Parse! */ +    { +      while (! err) +	err = parser_parse_next (&parser, &arg_ebadkey); +      err = parser_finalize (&parser, err, arg_ebadkey, end_index); +    } + +  return err; +} +#ifdef weak_alias +weak_alias (__argp_parse, argp_parse) +#endif + +/* Return the input field for ARGP in the parser corresponding to STATE; used +   by the help routines.  */ +void * +__argp_input (const struct argp *argp, const struct argp_state *state) +{ +  if (state) +    { +      struct group *group; +      struct parser *parser = state->pstate; + +      for (group = parser->groups; group < parser->egroup; group++) +	if (group->argp == argp) +	  return group->input; +    } + +  return 0; +} +#ifdef weak_alias +weak_alias (__argp_input, _argp_input) +#endif + +/* Defined here, in case a user is not inlining the definitions in + * argp.h */ +void +__argp_usage (__const struct argp_state *__state) +{ +  __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE); +} + +int +__option_is_short (__const struct argp_option *__opt) +{ +  if (__opt->flags & OPTION_DOC) +    return 0; +  else +    { +      int __key = __opt->key; +      /* FIXME: whether or not a particular key implies a short option +       * ought not to be locale dependent. */ +      return __key > 0 && isprint (__key); +    } +} + +int +__option_is_end (__const struct argp_option *__opt) +{ +  return !__opt->key && !__opt->name && !__opt->doc && !__opt->group; +} diff --git a/contrib/argp-standalone/argp-pv.c b/contrib/argp-standalone/argp-pv.c new file mode 100644 index 00000000000..d7d374a66bd --- /dev/null +++ b/contrib/argp-standalone/argp-pv.c @@ -0,0 +1,25 @@ +/* Default definition for ARGP_PROGRAM_VERSION. +   Copyright (C) 1996, 1997, 1999, 2004 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +/* If set by the user program to a non-zero value, then a default option +   --version is added (unless the ARGP_NO_HELP flag is used), which will +   print this this string followed by a newline and exit (unless the +   ARGP_NO_EXIT flag is used).  Overridden by ARGP_PROGRAM_VERSION_HOOK.  */ +const char *argp_program_version = 0; diff --git a/contrib/argp-standalone/argp-pvh.c b/contrib/argp-standalone/argp-pvh.c new file mode 100644 index 00000000000..829a1cda80d --- /dev/null +++ b/contrib/argp-standalone/argp-pvh.c @@ -0,0 +1,32 @@ +/* Default definition for ARGP_PROGRAM_VERSION_HOOK. +   Copyright (C) 1996, 1997, 1999, 2004 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "argp.h" + +/* If set by the user program to a non-zero value, then a default option +   --version is added (unless the ARGP_NO_HELP flag is used), which calls +   this function with a stream to print the version to and a pointer to the +   current parsing state, and then exits (unless the ARGP_NO_EXIT flag is +   used).  This variable takes precedent over ARGP_PROGRAM_VERSION.  */ +void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = 0; diff --git a/contrib/argp-standalone/argp.h b/contrib/argp-standalone/argp.h new file mode 100644 index 00000000000..29d3dfe9720 --- /dev/null +++ b/contrib/argp-standalone/argp.h @@ -0,0 +1,602 @@ +/* Hierarchial argument parsing. +   Copyright (C) 1995, 96, 97, 98, 99, 2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Written by Miles Bader <miles@gnu.ai.mit.edu>. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Library General Public License as +   published by the Free Software Foundation; either version 2 of the +   License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Library General Public License for more details. + +   You should have received a copy of the GNU Library General Public +   License along with the GNU C Library; see the file COPYING.LIB.  If not, +   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +   Boston, MA 02111-1307, USA.  */ + +#ifndef _ARGP_H +#define _ARGP_H + +#include <stdio.h> +#include <ctype.h> + +#define __need_error_t +#include <errno.h> + +#ifndef __THROW +# define __THROW +#endif + +#ifndef __const +# define __const const +#endif + +#ifndef __error_t_defined +typedef int error_t; +# define __error_t_defined +#endif + +/* FIXME: What's the right way to check for __restrict? Sun's cc seems +   not to have it. Perhaps it's easiest to just delete the use of +   __restrict from the prototypes. */ +#ifndef __restrict +# ifndef __GNUC___ +#  define __restrict +# endif +#endif + +/* NOTE: We can't use the autoconf tests, since this is supposed to be +   an installed header file and argp's config.h is of course not +   installed. */ +#ifndef PRINTF_STYLE +# if __GNUC__ >= 2 +#  define PRINTF_STYLE(f, a) __attribute__ ((__format__ (__printf__, f, a))) +# else +#  define PRINTF_STYLE(f, a) +# endif +#endif + + +#ifdef  __cplusplus +extern "C" { +#endif + +/* A description of a particular option.  A pointer to an array of +   these is passed in the OPTIONS field of an argp structure.  Each option +   entry can correspond to one long option and/or one short option; more +   names for the same option can be added by following an entry in an option +   array with options having the OPTION_ALIAS flag set.  */ +struct argp_option +{ +  /* The long option name.  For more than one name for the same option, you +     can use following options with the OPTION_ALIAS flag set.  */ +  __const char *name; + +  /* What key is returned for this option.  If > 0 and printable, then it's +     also accepted as a short option.  */ +  int key; + +  /* If non-NULL, this is the name of the argument associated with this +     option, which is required unless the OPTION_ARG_OPTIONAL flag is set. */ +  __const char *arg; + +  /* OPTION_ flags.  */ +  int flags; + +  /* The doc string for this option.  If both NAME and KEY are 0, This string +     will be printed outdented from the normal option column, making it +     useful as a group header (it will be the first thing printed in its +     group); in this usage, it's conventional to end the string with a `:'.  */ +  __const char *doc; + +  /* The group this option is in.  In a long help message, options are sorted +     alphabetically within each group, and the groups presented in the order +     0, 1, 2, ..., n, -m, ..., -2, -1.  Every entry in an options array with +     if this field 0 will inherit the group number of the previous entry, or +     zero if it's the first one, unless its a group header (NAME and KEY both +     0), in which case, the previous entry + 1 is the default.  Automagic +     options such as --help are put into group -1.  */ +  int group; +}; + +/* The argument associated with this option is optional.  */ +#define OPTION_ARG_OPTIONAL	0x1 + +/* This option isn't displayed in any help messages.  */ +#define OPTION_HIDDEN	       	0x2 + +/* This option is an alias for the closest previous non-alias option.  This +   means that it will be displayed in the same help entry, and will inherit +   fields other than NAME and KEY from the aliased option.  */ +#define OPTION_ALIAS		0x4 + +/* This option isn't actually an option (and so should be ignored by the +   actual option parser), but rather an arbitrary piece of documentation that +   should be displayed in much the same manner as the options.  If this flag +   is set, then the option NAME field is displayed unmodified (e.g., no `--' +   prefix is added) at the left-margin (where a *short* option would normally +   be displayed), and the documentation string in the normal place.  For +   purposes of sorting, any leading whitespace and puncuation is ignored, +   except that if the first non-whitespace character is not `-', this entry +   is displayed after all options (and OPTION_DOC entries with a leading `-') +   in the same group.  */ +#define OPTION_DOC		0x8 + +/* This option shouldn't be included in `long' usage messages (but is still +   included in help messages).  This is mainly intended for options that are +   completely documented in an argp's ARGS_DOC field, in which case including +   the option in the generic usage list would be redundant.  For instance, +   if ARGS_DOC is "FOO BAR\n-x BLAH", and the `-x' option's purpose is to +   distinguish these two cases, -x should probably be marked +   OPTION_NO_USAGE.  */ +#define OPTION_NO_USAGE		0x10 + +struct argp;			/* fwd declare this type */ +struct argp_state;		/* " */ +struct argp_child;		/* " */ + +/* The type of a pointer to an argp parsing function.  */ +typedef error_t (*argp_parser_t) (int key, char *arg, +				  struct argp_state *state); + +/* What to return for unrecognized keys.  For special ARGP_KEY_ keys, such +   returns will simply be ignored.  For user keys, this error will be turned +   into EINVAL (if the call to argp_parse is such that errors are propagated +   back to the user instead of exiting); returning EINVAL itself would result +   in an immediate stop to parsing in *all* cases.  */ +#define ARGP_ERR_UNKNOWN	E2BIG /* Hurd should never need E2BIG.  XXX */ + +/* Special values for the KEY argument to an argument parsing function. +   ARGP_ERR_UNKNOWN should be returned if they aren't understood. + +   The sequence of keys to a parsing function is either (where each +   uppercased word should be prefixed by `ARGP_KEY_' and opt is a user key): + +       INIT opt... NO_ARGS END SUCCESS  -- No non-option arguments at all +   or  INIT (opt | ARG)... END SUCCESS  -- All non-option args parsed +   or  INIT (opt | ARG)... SUCCESS      -- Some non-option arg unrecognized + +   The third case is where every parser returned ARGP_KEY_UNKNOWN for an +   argument, in which case parsing stops at that argument (returning the +   unparsed arguments to the caller of argp_parse if requested, or stopping +   with an error message if not). + +   If an error occurs (either detected by argp, or because the parsing +   function returned an error value), then the parser is called with +   ARGP_KEY_ERROR, and no further calls are made.  */ + +/* This is not an option at all, but rather a command line argument.  If a +   parser receiving this key returns success, the fact is recorded, and the +   ARGP_KEY_NO_ARGS case won't be used.  HOWEVER, if while processing the +   argument, a parser function decrements the NEXT field of the state it's +   passed, the option won't be considered processed; this is to allow you to +   actually modify the argument (perhaps into an option), and have it +   processed again.  */ +#define ARGP_KEY_ARG		0 +/* There are remaining arguments not parsed by any parser, which may be found +   starting at (STATE->argv + STATE->next).  If success is returned, but +   STATE->next left untouched, it's assumed that all arguments were consume, +   otherwise, the parser should adjust STATE->next to reflect any arguments +   consumed.  */ +#define ARGP_KEY_ARGS		0x1000006 +/* There are no more command line arguments at all.  */ +#define ARGP_KEY_END		0x1000001 +/* Because it's common to want to do some special processing if there aren't +   any non-option args, user parsers are called with this key if they didn't +   successfully process any non-option arguments.  Called just before +   ARGP_KEY_END (where more general validity checks on previously parsed +   arguments can take place).  */ +#define ARGP_KEY_NO_ARGS	0x1000002 +/* Passed in before any parsing is done.  Afterwards, the values of each +   element of the CHILD_INPUT field, if any, in the state structure is +   copied to each child's state to be the initial value of the INPUT field.  */ +#define ARGP_KEY_INIT		0x1000003 +/* Use after all other keys, including SUCCESS & END.  */ +#define ARGP_KEY_FINI		0x1000007 +/* Passed in when parsing has successfully been completed (even if there are +   still arguments remaining).  */ +#define ARGP_KEY_SUCCESS	0x1000004 +/* Passed in if an error occurs.  */ +#define ARGP_KEY_ERROR		0x1000005 + +/* An argp structure contains a set of options declarations, a function to +   deal with parsing one, documentation string, a possible vector of child +   argp's, and perhaps a function to filter help output.  When actually +   parsing options, getopt is called with the union of all the argp +   structures chained together through their CHILD pointers, with conflicts +   being resolved in favor of the first occurrence in the chain.  */ +struct argp +{ +  /* An array of argp_option structures, terminated by an entry with both +     NAME and KEY having a value of 0.  */ +  __const struct argp_option *options; + +  /* What to do with an option from this structure.  KEY is the key +     associated with the option, and ARG is any associated argument (NULL if +     none was supplied).  If KEY isn't understood, ARGP_ERR_UNKNOWN should be +     returned.  If a non-zero, non-ARGP_ERR_UNKNOWN value is returned, then +     parsing is stopped immediately, and that value is returned from +     argp_parse().  For special (non-user-supplied) values of KEY, see the +     ARGP_KEY_ definitions below.  */ +  argp_parser_t parser; + +  /* A string describing what other arguments are wanted by this program.  It +     is only used by argp_usage to print the `Usage:' message.  If it +     contains newlines, the strings separated by them are considered +     alternative usage patterns, and printed on separate lines (lines after +     the first are prefix by `  or: ' instead of `Usage:').  */ +  __const char *args_doc; + +  /* If non-NULL, a string containing extra text to be printed before and +     after the options in a long help message (separated by a vertical tab +     `\v' character).  */ +  __const char *doc; + +  /* A vector of argp_children structures, terminated by a member with a 0 +     argp field, pointing to child argps should be parsed with this one.  Any +     conflicts are resolved in favor of this argp, or early argps in the +     CHILDREN list.  This field is useful if you use libraries that supply +     their own argp structure, which you want to use in conjunction with your +     own.  */ +  __const struct argp_child *children; + +  /* If non-zero, this should be a function to filter the output of help +     messages.  KEY is either a key from an option, in which case TEXT is +     that option's help text, or a special key from the ARGP_KEY_HELP_ +     defines, below, describing which other help text TEXT is.  The function +     should return either TEXT, if it should be used as-is, a replacement +     string, which should be malloced, and will be freed by argp, or NULL, +     meaning `print nothing'.  The value for TEXT is *after* any translation +     has been done, so if any of the replacement text also needs translation, +     that should be done by the filter function.  INPUT is either the input +     supplied to argp_parse, or NULL, if argp_help was called directly.  */ +  char *(*help_filter) (int __key, __const char *__text, void *__input); + +  /* If non-zero the strings used in the argp library are translated using +     the domain described by this string.  Otherwise the currently installed +     default domain is used.  */ +  const char *argp_domain; +}; + +/* Possible KEY arguments to a help filter function.  */ +#define ARGP_KEY_HELP_PRE_DOC	0x2000001 /* Help text preceeding options. */ +#define ARGP_KEY_HELP_POST_DOC	0x2000002 /* Help text following options. */ +#define ARGP_KEY_HELP_HEADER	0x2000003 /* Option header string. */ +#define ARGP_KEY_HELP_EXTRA	0x2000004 /* After all other documentation; +					     TEXT is NULL for this key.  */ +/* Explanatory note emitted when duplicate option arguments have been +   suppressed.  */ +#define ARGP_KEY_HELP_DUP_ARGS_NOTE 0x2000005 +#define ARGP_KEY_HELP_ARGS_DOC	0x2000006 /* Argument doc string.  */ + +/* When an argp has a non-zero CHILDREN field, it should point to a vector of +   argp_child structures, each of which describes a subsidiary argp.  */ +struct argp_child +{ +  /* The child parser.  */ +  __const struct argp *argp; + +  /* Flags for this child.  */ +  int flags; + +  /* If non-zero, an optional header to be printed in help output before the +     child options.  As a side-effect, a non-zero value forces the child +     options to be grouped together; to achieve this effect without actually +     printing a header string, use a value of "".  */ +  __const char *header; + +  /* Where to group the child options relative to the other (`consolidated') +     options in the parent argp; the values are the same as the GROUP field +     in argp_option structs, but all child-groupings follow parent options at +     a particular group level.  If both this field and HEADER are zero, then +     they aren't grouped at all, but rather merged with the parent options +     (merging the child's grouping levels with the parents).  */ +  int group; +}; + +/* Parsing state.  This is provided to parsing functions called by argp, +   which may examine and, as noted, modify fields.  */ +struct argp_state +{ +  /* The top level ARGP being parsed.  */ +  __const struct argp *root_argp; + +  /* The argument vector being parsed.  May be modified.  */ +  int argc; +  char **argv; + +  /* The index in ARGV of the next arg that to be parsed.  May be modified. */ +  int next; + +  /* The flags supplied to argp_parse.  May be modified.  */ +  unsigned flags; + +  /* While calling a parsing function with a key of ARGP_KEY_ARG, this is the +     number of the current arg, starting at zero, and incremented after each +     such call returns.  At all other times, this is the number of such +     arguments that have been processed.  */ +  unsigned arg_num; + +  /* If non-zero, the index in ARGV of the first argument following a special +     `--' argument (which prevents anything following being interpreted as an +     option).  Only set once argument parsing has proceeded past this point. */ +  int quoted; + +  /* An arbitrary pointer passed in from the user.  */ +  void *input; +  /* Values to pass to child parsers.  This vector will be the same length as +     the number of children for the current parser.  */ +  void **child_inputs; + +  /* For the parser's use.  Initialized to 0.  */ +  void *hook; + +  /* The name used when printing messages.  This is initialized to ARGV[0], +     or PROGRAM_INVOCATION_NAME if that is unavailable.  */ +  char *name; + +  /* Streams used when argp prints something.  */ +  FILE *err_stream;		/* For errors; initialized to stderr. */ +  FILE *out_stream;		/* For information; initialized to stdout. */ + +  void *pstate;			/* Private, for use by argp.  */ +}; + +/* Flags for argp_parse (note that the defaults are those that are +   convenient for program command line parsing): */ + +/* Don't ignore the first element of ARGV.  Normally (and always unless +   ARGP_NO_ERRS is set) the first element of the argument vector is +   skipped for option parsing purposes, as it corresponds to the program name +   in a command line.  */ +#define ARGP_PARSE_ARGV0  0x01 + +/* Don't print error messages for unknown options to stderr; unless this flag +   is set, ARGP_PARSE_ARGV0 is ignored, as ARGV[0] is used as the program +   name in the error messages.  This flag implies ARGP_NO_EXIT (on the +   assumption that silent exiting upon errors is bad behaviour).  */ +#define ARGP_NO_ERRS	0x02 + +/* Don't parse any non-option args.  Normally non-option args are parsed by +   calling the parse functions with a key of ARGP_KEY_ARG, and the actual arg +   as the value.  Since it's impossible to know which parse function wants to +   handle it, each one is called in turn, until one returns 0 or an error +   other than ARGP_ERR_UNKNOWN; if an argument is handled by no one, the +   argp_parse returns prematurely (but with a return value of 0).  If all +   args have been parsed without error, all parsing functions are called one +   last time with a key of ARGP_KEY_END.  This flag needn't normally be set, +   as the normal behavior is to stop parsing as soon as some argument can't +   be handled.  */ +#define ARGP_NO_ARGS	0x04 + +/* Parse options and arguments in the same order they occur on the command +   line -- normally they're rearranged so that all options come first. */ +#define ARGP_IN_ORDER	0x08 + +/* Don't provide the standard long option --help, which causes usage and +      option help information to be output to stdout, and exit (0) called. */ +#define ARGP_NO_HELP	0x10 + +/* Don't exit on errors (they may still result in error messages).  */ +#define ARGP_NO_EXIT	0x20 + +/* Use the gnu getopt `long-only' rules for parsing arguments.  */ +#define ARGP_LONG_ONLY	0x40 + +/* Turns off any message-printing/exiting options.  */ +#define ARGP_SILENT    (ARGP_NO_EXIT | ARGP_NO_ERRS | ARGP_NO_HELP) + +/* Parse the options strings in ARGC & ARGV according to the options in ARGP. +   FLAGS is one of the ARGP_ flags above.  If ARG_INDEX is non-NULL, the +   index in ARGV of the first unparsed option is returned in it.  If an +   unknown option is present, ARGP_ERR_UNKNOWN is returned; if some parser +   routine returned a non-zero value, it is returned; otherwise 0 is +   returned.  This function may also call exit unless the ARGP_NO_HELP flag +   is set.  INPUT is a pointer to a value to be passed in to the parser.  */ +extern error_t argp_parse (__const struct argp *__restrict argp, +			   int argc, char **__restrict argv, +			   unsigned flags, int *__restrict arg_index, +			   void *__restrict input) __THROW; +extern error_t __argp_parse (__const struct argp *__restrict argp, +			     int argc, char **__restrict argv, +			     unsigned flags, int *__restrict arg_index, +			     void *__restrict input) __THROW; + +/* Global variables.  */ + +/* If defined or set by the user program to a non-zero value, then a default +   option --version is added (unless the ARGP_NO_HELP flag is used), which +   will print this string followed by a newline and exit (unless the +   ARGP_NO_EXIT flag is used).  Overridden by ARGP_PROGRAM_VERSION_HOOK.  */ +extern __const char *argp_program_version; + +/* If defined or set by the user program to a non-zero value, then a default +   option --version is added (unless the ARGP_NO_HELP flag is used), which +   calls this function with a stream to print the version to and a pointer to +   the current parsing state, and then exits (unless the ARGP_NO_EXIT flag is +   used).  This variable takes precedent over ARGP_PROGRAM_VERSION.  */ +extern void (*argp_program_version_hook) (FILE *__restrict __stream, +					  struct argp_state *__restrict +					  __state); + +/* If defined or set by the user program, it should point to string that is +   the bug-reporting address for the program.  It will be printed by +   argp_help if the ARGP_HELP_BUG_ADDR flag is set (as it is by various +   standard help messages), embedded in a sentence that says something like +   `Report bugs to ADDR.'.  */ +extern __const char *argp_program_bug_address; + +/* The exit status that argp will use when exiting due to a parsing error. +   If not defined or set by the user program, this defaults to EX_USAGE from +   <sysexits.h>.  */ +extern error_t argp_err_exit_status; + +/* Flags for argp_help.  */ +#define ARGP_HELP_USAGE		0x01 /* a Usage: message. */ +#define ARGP_HELP_SHORT_USAGE	0x02 /*  " but don't actually print options. */ +#define ARGP_HELP_SEE		0x04 /* a `Try ... for more help' message. */ +#define ARGP_HELP_LONG		0x08 /* a long help message. */ +#define ARGP_HELP_PRE_DOC	0x10 /* doc string preceding long help.  */ +#define ARGP_HELP_POST_DOC	0x20 /* doc string following long help.  */ +#define ARGP_HELP_DOC		(ARGP_HELP_PRE_DOC | ARGP_HELP_POST_DOC) +#define ARGP_HELP_BUG_ADDR	0x40 /* bug report address */ +#define ARGP_HELP_LONG_ONLY	0x80 /* modify output appropriately to +					reflect ARGP_LONG_ONLY mode.  */ + +/* These ARGP_HELP flags are only understood by argp_state_help.  */ +#define ARGP_HELP_EXIT_ERR	0x100 /* Call exit(1) instead of returning.  */ +#define ARGP_HELP_EXIT_OK	0x200 /* Call exit(0) instead of returning.  */ + +/* The standard thing to do after a program command line parsing error, if an +   error message has already been printed.  */ +#define ARGP_HELP_STD_ERR \ +  (ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR) +/* The standard thing to do after a program command line parsing error, if no +   more specific error message has been printed.  */ +#define ARGP_HELP_STD_USAGE \ +  (ARGP_HELP_SHORT_USAGE | ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR) +/* The standard thing to do in response to a --help option.  */ +#define ARGP_HELP_STD_HELP \ +  (ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG | ARGP_HELP_EXIT_OK \ +   | ARGP_HELP_DOC | ARGP_HELP_BUG_ADDR) + +/* Output a usage message for ARGP to STREAM.  FLAGS are from the set +   ARGP_HELP_*.  */ +extern void argp_help (__const struct argp *__restrict __argp, +		       FILE *__restrict __stream, +		       unsigned __flags, char *__restrict __name) __THROW; +extern void __argp_help (__const struct argp *__restrict __argp, +			 FILE *__restrict __stream, unsigned __flags, +			 char *__name) __THROW; + +/* The following routines are intended to be called from within an argp +   parsing routine (thus taking an argp_state structure as the first +   argument).  They may or may not print an error message and exit, depending +   on the flags in STATE -- in any case, the caller should be prepared for +   them *not* to exit, and should return an appropiate error after calling +   them.  [argp_usage & argp_error should probably be called argp_state_..., +   but they're used often enough that they should be short]  */ + +/* Output, if appropriate, a usage message for STATE to STREAM.  FLAGS are +   from the set ARGP_HELP_*.  */ +extern void argp_state_help (__const struct argp_state *__restrict __state, +			     FILE *__restrict __stream, +			     unsigned int __flags) __THROW; +extern void __argp_state_help (__const struct argp_state *__restrict __state, +			       FILE *__restrict __stream, +			       unsigned int __flags) __THROW; + +/* Possibly output the standard usage message for ARGP to stderr and exit.  */ +extern void argp_usage (__const struct argp_state *__state) __THROW; +extern void __argp_usage (__const struct argp_state *__state) __THROW; + +/* If appropriate, print the printf string FMT and following args, preceded +   by the program name and `:', to stderr, and followed by a `Try ... --help' +   message, then exit (1).  */ +extern void argp_error (__const struct argp_state *__restrict __state, +			__const char *__restrict __fmt, ...) __THROW +     PRINTF_STYLE(2,3); +extern void __argp_error (__const struct argp_state *__restrict __state, +			  __const char *__restrict __fmt, ...) __THROW +     PRINTF_STYLE(2,3); + +/* Similar to the standard gnu error-reporting function error(), but will +   respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print +   to STATE->err_stream.  This is useful for argument parsing code that is +   shared between program startup (when exiting is desired) and runtime +   option parsing (when typically an error code is returned instead).  The +   difference between this function and argp_error is that the latter is for +   *parsing errors*, and the former is for other problems that occur during +   parsing but don't reflect a (syntactic) problem with the input.  */ +extern void argp_failure (__const struct argp_state *__restrict __state, +			  int __status, int __errnum, +			  __const char *__restrict __fmt, ...) __THROW +     PRINTF_STYLE(4,5); +extern void __argp_failure (__const struct argp_state *__restrict __state, +			    int __status, int __errnum, +			    __const char *__restrict __fmt, ...) __THROW +     PRINTF_STYLE(4,5); + +/* Returns true if the option OPT is a valid short option.  */ +extern int _option_is_short (__const struct argp_option *__opt) __THROW; +extern int __option_is_short (__const struct argp_option *__opt) __THROW; + +/* Returns true if the option OPT is in fact the last (unused) entry in an +   options array.  */ +extern int _option_is_end (__const struct argp_option *__opt) __THROW; +extern int __option_is_end (__const struct argp_option *__opt) __THROW; + +/* Return the input field for ARGP in the parser corresponding to STATE; used +   by the help routines.  */ +extern void *_argp_input (__const struct argp *__restrict __argp, +			  __const struct argp_state *__restrict __state) +     __THROW; +extern void *__argp_input (__const struct argp *__restrict __argp, +			   __const struct argp_state *__restrict __state) +     __THROW; + +/* Used for extracting the program name from argv[0] */ +extern char *_argp_basename(char *name) __THROW; +extern char *__argp_basename(char *name) __THROW; + +/* Getting the program name given an argp state */ +extern char * +_argp_short_program_name(const struct argp_state *state) __THROW; +extern char * +__argp_short_program_name(const struct argp_state *state) __THROW; + + +#ifdef __USE_EXTERN_INLINES + +# if !_LIBC +#  define __argp_usage argp_usage +#  define __argp_state_help argp_state_help +#  define __option_is_short _option_is_short +#  define __option_is_end _option_is_end +# endif + +# ifndef ARGP_EI +#  define ARGP_EI extern __inline__ +# endif + +ARGP_EI void +__argp_usage (__const struct argp_state *__state) +{ +  __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE); +} + +ARGP_EI int +__option_is_short (__const struct argp_option *__opt) +{ +  if (__opt->flags & OPTION_DOC) +    return 0; +  else +    { +      int __key = __opt->key; +      return __key > 0 && isprint (__key); +    } +} + +ARGP_EI int +__option_is_end (__const struct argp_option *__opt) +{ +  return !__opt->key && !__opt->name && !__opt->doc && !__opt->group; +} + +# if !_LIBC +#  undef __argp_usage +#  undef __argp_state_help +#  undef __option_is_short +#  undef __option_is_end +# endif +#endif /* Use extern inlines.  */ + +#ifdef  __cplusplus +} +#endif + +#endif /* argp.h */ diff --git a/contrib/argp-standalone/autogen.sh b/contrib/argp-standalone/autogen.sh new file mode 100755 index 00000000000..8337353b5ae --- /dev/null +++ b/contrib/argp-standalone/autogen.sh @@ -0,0 +1,6 @@ +#!/bin/sh + +aclocal -I . +autoheader +autoconf +automake --add-missing --copy --foreign diff --git a/contrib/argp-standalone/configure.ac b/contrib/argp-standalone/configure.ac new file mode 100644 index 00000000000..4e4e67692f8 --- /dev/null +++ b/contrib/argp-standalone/configure.ac @@ -0,0 +1,102 @@ +dnl Process this file with autoconf to produce a configure script. + +dnl This configure.ac is only for building a standalone argp library. +AC_INIT([argp], [standalone-1.3]) +AC_PREREQ(2.54) +AC_CONFIG_SRCDIR([argp-ba.c]) +# Needed to stop autoconf from looking for files in parent directories. +AC_CONFIG_AUX_DIR([.]) + +AM_INIT_AUTOMAKE +AC_CONFIG_HEADERS(config.h) + +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)]) + +# GNU libc defaults to supplying the ISO C library functions only. The +# _GNU_SOURCE define enables these extensions, in particular we want +# errno.h to declare program_invocation_name. Enable it on all +# systems; no problems have been reported with it so far. +AC_GNU_SOURCE + +# Checks for programs. +AC_PROG_CC +AC_PROG_MAKE_SET +AC_PROG_RANLIB +AC_PROG_CC + +if test "x$am_cv_prog_cc_stdc" = xno ; then +  AC_ERROR([the C compiler doesn't handle ANSI-C]) +fi + +# Checks for libraries. + +# Checks for header files. +AC_HEADER_STDC +AC_CHECK_HEADERS(limits.h malloc.h unistd.h sysexits.h stdarg.h) + +# Checks for typedefs, structures, and compiler characteristics. +AC_C_CONST +AC_C_INLINE +AC_TYPE_SIZE_T + +LSH_GCC_ATTRIBUTES + +# Checks for library functions. +AC_FUNC_ALLOCA +AC_FUNC_VPRINTF +AC_CHECK_FUNCS(strerror sleep getpid snprintf) + +AC_REPLACE_FUNCS(mempcpy strndup strchrnul strcasecmp vsnprintf) + +dnl ARGP_CHECK_FUNC(includes, function-call [, if-found [, if-not-found]]) +AC_DEFUN([ARGP_CHECK_FUNC], +  [AS_VAR_PUSHDEF([ac_func], m4_substr([$2], 0, m4_index([$2], [(]))) +   AS_VAR_PUSHDEF([ac_var], [ac_cv_func_call_]ac_func) +   AH_TEMPLATE(AS_TR_CPP(HAVE_[]ac_func), +               [Define to 1 if you have the `]ac_func[' function.]) +   AC_CACHE_CHECK([for $2], ac_var, +     [AC_TRY_LINK([$1], [$2], +		  [AS_VAR_SET(ac_var, yes)], +		  [AS_VAR_SET(ac_var, no)])]) +   if test AS_VAR_GET(ac_var) = yes ; then +     ifelse([$3],, +	    [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]ac_func))], +	    [$3 +]) +   else +     ifelse([$4],, true, [$4]) +   fi +   AS_VAR_POPDEF([ac_var]) +   AS_VAR_POPDEF([ac_func]) +   ]) + +# At least on freebsd, putc_unlocked is a macro, so the standard +# AC_CHECK_FUNCS doesn't work well. +ARGP_CHECK_FUNC([#include <stdio.h>], [putc_unlocked('x', stdout)]) + +AC_CHECK_FUNCS(flockfile) +AC_CHECK_FUNCS(fputs_unlocked fwrite_unlocked) + +# Used only by argp-test.c, so don't use AC_REPLACE_FUNCS. +AC_CHECK_FUNCS(strdup asprintf) + +AC_CHECK_DECLS([program_invocation_name, program_invocation_short_name], +               [], [], [[#include <errno.h>]]) + +# Set these flags *last*, or else the test programs won't compile +if test x$GCC = xyes ; then +  # Using -ggdb3 makes (some versions of) Redhat's gcc-2.96 dump core +  if "$CC" --version | grep '^2\.96$' 1>/dev/null 2>&1; then +    true +  else +    CFLAGS="$CFLAGS -ggdb3" +  fi +  CFLAGS="$CFLAGS -Wall -W \ + -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes \ + -Waggregate-return \ + -Wpointer-arith -Wbad-function-cast -Wnested-externs" +fi + +CPPFLAGS="$CPPFLAGS -I$srcdir" + +AC_OUTPUT(Makefile) diff --git a/contrib/argp-standalone/mempcpy.c b/contrib/argp-standalone/mempcpy.c new file mode 100644 index 00000000000..21d8bd2ed94 --- /dev/null +++ b/contrib/argp-standalone/mempcpy.c @@ -0,0 +1,21 @@ +/* strndup.c + * + */ + +/* Written by Niels Möller <nisse@lysator.liu.se> + * + * This file is hereby placed in the public domain. + */ + +#include <string.h> + +void * +mempcpy (void *, const void *, size_t) ; + +void * +mempcpy (void *to, const void *from, size_t size) +{ +  memcpy(to, from, size); +  return (char *) to + size; +} + diff --git a/contrib/argp-standalone/strcasecmp.c b/contrib/argp-standalone/strcasecmp.c new file mode 100644 index 00000000000..9c1637232fd --- /dev/null +++ b/contrib/argp-standalone/strcasecmp.c @@ -0,0 +1,29 @@ +/* strcasecmp.c + * + */ + +/* Written by Niels Möller <nisse@lysator.liu.se> + * + * This file is hereby placed in the public domain. + */ + +#include <ctype.h> +int strcasecmp(const char *, const char *); + +int strcasecmp(const char *s1, const char *s2) +{ +  unsigned i; +   +  for (i = 0; s1[i] && s2[i]; i++) +    { +      unsigned char c1 = tolower( (unsigned char) s1[i]); +      unsigned char c2 = tolower( (unsigned char) s2[i]); + +      if (c1 < c2) +	return -1; +      else if (c1 > c2) +	return 1; +    } + +  return !s2[i] - !s1[i];	 +} diff --git a/contrib/argp-standalone/strchrnul.c b/contrib/argp-standalone/strchrnul.c new file mode 100644 index 00000000000..ee4145e4eda --- /dev/null +++ b/contrib/argp-standalone/strchrnul.c @@ -0,0 +1,23 @@ +/* strchrnul.c + * + */ + +/* Written by Niels Möller <nisse@lysator.liu.se> + * + * This file is hereby placed in the public domain. + */ + +/* FIXME: What is this function supposed to do? My guess is that it is + * like strchr, but returns a pointer to the NUL character, not a NULL + * pointer, if the character isn't found. */ + +char *strchrnul(const char *, int ); + +char *strchrnul(const char *s, int c) +{ +  const char *p = s; +  while (*p && (*p != c)) +    p++; + +  return (char *) p; +} diff --git a/contrib/argp-standalone/strndup.c b/contrib/argp-standalone/strndup.c new file mode 100644 index 00000000000..4147b7a2051 --- /dev/null +++ b/contrib/argp-standalone/strndup.c @@ -0,0 +1,34 @@ +/* strndup.c + * + */ + +/* Written by Niels Möller <nisse@lysator.liu.se> + * + * This file is hereby placed in the public domain. + */ + +#include <stdlib.h> +#include <string.h> + +char * +strndup (const char *, size_t); + +char * +strndup (const char *s, size_t size) +{ +  char *r; +  char *end = memchr(s, 0, size); +   +  if (end) +    /* Length + 1 */ +    size = end - s + 1; +   +  r = malloc(size); + +  if (size) +    { +      memcpy(r, s, size-1); +      r[size-1] = '\0'; +    } +  return r; +} diff --git a/contrib/argp-standalone/vsnprintf.c b/contrib/argp-standalone/vsnprintf.c new file mode 100644 index 00000000000..33c9a5d0042 --- /dev/null +++ b/contrib/argp-standalone/vsnprintf.c @@ -0,0 +1,839 @@ +/* Copied from http://www.fiction.net/blong/programs/snprintf.c */ + +/* + * Copyright Patrick Powell 1995 + * This code is based on code written by Patrick Powell (papowell@astart.com) + * It may be used for any purpose as long as this notice remains intact + * on all source code distributions + */ + +/************************************************************** + * Original: + * Patrick Powell Tue Apr 11 09:48:21 PDT 1995 + * A bombproof version of doprnt (dopr) included. + * Sigh.  This sort of thing is always nasty do deal with.  Note that + * the version here does not include floating point... + * + * snprintf() is used instead of sprintf() as it does limit checks + * for string length.  This covers a nasty loophole. + * + * The other functions are there to prevent NULL pointers from + * causing nast effects. + * + * More Recently: + *  Brandon Long <blong@fiction.net> 9/15/96 for mutt 0.43 + *  This was ugly.  It is still ugly.  I opted out of floating point + *  numbers, but the formatter understands just about everything + *  from the normal C string format, at least as far as I can tell from + *  the Solaris 2.5 printf(3S) man page. + * + *  Brandon Long <blong@fiction.net> 10/22/97 for mutt 0.87.1 + *    Ok, added some minimal floating point support, which means this + *    probably requires libm on most operating systems.  Don't yet + *    support the exponent (e,E) and sigfig (g,G).  Also, fmtint() + *    was pretty badly broken, it just wasn't being exercised in ways + *    which showed it, so that's been fixed.  Also, formated the code + *    to mutt conventions, and removed dead code left over from the + *    original.  Also, there is now a builtin-test, just compile with: + *           gcc -DTEST_SNPRINTF -o snprintf snprintf.c -lm + *    and run snprintf for results. + *  + *  Thomas Roessler <roessler@guug.de> 01/27/98 for mutt 0.89i + *    The PGP code was using unsigned hexadecimal formats.  + *    Unfortunately, unsigned formats simply didn't work. + * + *  Michael Elkins <me@cs.hmc.edu> 03/05/98 for mutt 0.90.8 + *    The original code assumed that both snprintf() and vsnprintf() were + *    missing.  Some systems only have snprintf() but not vsnprintf(), so + *    the code is now broken down under HAVE_SNPRINTF and HAVE_VSNPRINTF. + * + *  Andrew Tridgell (tridge@samba.org) Oct 1998 + *    fixed handling of %.0f + *    added test for HAVE_LONG_DOUBLE + * + *  Russ Allbery <rra@stanford.edu> 2000-08-26 + *    fixed return value to comply with C99 + *    fixed handling of snprintf(NULL, ...) + * + * Niels Möller <nisse@lysator.liu.se> 2004-03-05 + *    fixed calls to isdigit to use unsigned char. + *    fixed calls to va_arg; short arguments are always passed as int. + * + **************************************************************/ + +#if HAVE_CONFIG_H +# include "config.h" +#endif + +#if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF) + +#include <string.h> +#include <ctype.h> +#include <sys/types.h> + +/* Define this as a fall through, HAVE_STDARG_H is probably already set */ + +#define HAVE_VARARGS_H + + +/* varargs declarations: */ + +#if defined(HAVE_STDARG_H) +# include <stdarg.h> +# define HAVE_STDARGS    /* let's hope that works everywhere (mj) */ +# define VA_LOCAL_DECL   va_list ap +# define VA_START(f)     va_start(ap, f) +# define VA_SHIFT(v,t)  ;   /* no-op for ANSI */ +# define VA_END          va_end(ap) +#else +# if defined(HAVE_VARARGS_H) +#  include <varargs.h> +#  undef HAVE_STDARGS +#  define VA_LOCAL_DECL   va_list ap +#  define VA_START(f)     va_start(ap)      /* f is ignored! */ +#  define VA_SHIFT(v,t) v = va_arg(ap,t) +#  define VA_END        va_end(ap) +# else +/*XX ** NO VARARGS ** XX*/ +# endif +#endif + +#ifdef HAVE_LONG_DOUBLE +#define LDOUBLE long double +#else +#define LDOUBLE double +#endif + +int snprintf (char *str, size_t count, const char *fmt, ...); +int vsnprintf (char *str, size_t count, const char *fmt, va_list arg); + +static int dopr (char *buffer, size_t maxlen, const char *format,  +                 va_list args); +static int fmtstr (char *buffer, size_t *currlen, size_t maxlen, +		   char *value, int flags, int min, int max); +static int fmtint (char *buffer, size_t *currlen, size_t maxlen, +		   long value, int base, int min, int max, int flags); +static int fmtfp (char *buffer, size_t *currlen, size_t maxlen, +		  LDOUBLE fvalue, int min, int max, int flags); +static int dopr_outch (char *buffer, size_t *currlen, size_t maxlen, char c ); + +/* + * dopr(): poor man's version of doprintf + */ + +/* format read states */ +#define DP_S_DEFAULT 0 +#define DP_S_FLAGS   1 +#define DP_S_MIN     2 +#define DP_S_DOT     3 +#define DP_S_MAX     4 +#define DP_S_MOD     5 +#define DP_S_CONV    6 +#define DP_S_DONE    7 + +/* format flags - Bits */ +#define DP_F_MINUS 	(1 << 0) +#define DP_F_PLUS  	(1 << 1) +#define DP_F_SPACE 	(1 << 2) +#define DP_F_NUM   	(1 << 3) +#define DP_F_ZERO  	(1 << 4) +#define DP_F_UP    	(1 << 5) +#define DP_F_UNSIGNED 	(1 << 6) + +/* Conversion Flags */ +#define DP_C_SHORT   1 +#define DP_C_LONG    2 +#define DP_C_LDOUBLE 3 + +#define char_to_int(p) (p - '0') +#define MAX(p,q) ((p >= q) ? p : q) +#define MIN(p,q) ((p <= q) ? p : q) + +static int dopr (char *buffer, size_t maxlen, const char *format, va_list args) +{ +  unsigned char ch; +  long value; +  LDOUBLE fvalue; +  char *strvalue; +  int min; +  int max; +  int state; +  int flags; +  int cflags; +  int total; +  size_t currlen; +   +  state = DP_S_DEFAULT; +  currlen = flags = cflags = min = 0; +  max = -1; +  ch = *format++; +  total = 0; + +  while (state != DP_S_DONE) +  { +    if (ch == '\0') +      state = DP_S_DONE; + +    switch(state)  +    { +    case DP_S_DEFAULT: +      if (ch == '%')  +	state = DP_S_FLAGS; +      else  +	total += dopr_outch (buffer, &currlen, maxlen, ch); +      ch = *format++; +      break; +    case DP_S_FLAGS: +      switch (ch)  +      { +      case '-': +	flags |= DP_F_MINUS; +        ch = *format++; +	break; +      case '+': +	flags |= DP_F_PLUS; +        ch = *format++; +	break; +      case ' ': +	flags |= DP_F_SPACE; +        ch = *format++; +	break; +      case '#': +	flags |= DP_F_NUM; +        ch = *format++; +	break; +      case '0': +	flags |= DP_F_ZERO; +        ch = *format++; +	break; +      default: +	state = DP_S_MIN; +	break; +      } +      break; +    case DP_S_MIN: +      if (isdigit(ch))  +      { +	min = 10*min + char_to_int (ch); +	ch = *format++; +      }  +      else if (ch == '*')  +      { +	min = va_arg (args, int); +	ch = *format++; +	state = DP_S_DOT; +      }  +      else  +	state = DP_S_DOT; +      break; +    case DP_S_DOT: +      if (ch == '.')  +      { +	state = DP_S_MAX; +	ch = *format++; +      }  +      else  +	state = DP_S_MOD; +      break; +    case DP_S_MAX: +      if (isdigit(ch))  +      { +	if (max < 0) +	  max = 0; +	max = 10*max + char_to_int (ch); +	ch = *format++; +      }  +      else if (ch == '*')  +      { +	max = va_arg (args, int); +	ch = *format++; +	state = DP_S_MOD; +      }  +      else  +	state = DP_S_MOD; +      break; +    case DP_S_MOD: +      /* Currently, we don't support Long Long, bummer */ +      switch (ch)  +      { +      case 'h': +	cflags = DP_C_SHORT; +	ch = *format++; +	break; +      case 'l': +	cflags = DP_C_LONG; +	ch = *format++; +	break; +      case 'L': +	cflags = DP_C_LDOUBLE; +	ch = *format++; +	break; +      default: +	break; +      } +      state = DP_S_CONV; +      break; +    case DP_S_CONV: +      switch (ch)  +      { +      case 'd': +      case 'i': +	if (cflags == DP_C_SHORT)  +	  value = (short) va_arg (args, int); +	else if (cflags == DP_C_LONG) +	  value = va_arg (args, long int); +	else +	  value = va_arg (args, int); +	total += fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags); +	break; +      case 'o': +	flags |= DP_F_UNSIGNED; +	if (cflags == DP_C_SHORT) +	  value = (unsigned short) va_arg (args, unsigned); +	else if (cflags == DP_C_LONG) +	  value = va_arg (args, unsigned long int); +	else +	  value = va_arg (args, unsigned int); +	total += fmtint (buffer, &currlen, maxlen, value, 8, min, max, flags); +	break; +      case 'u': +	flags |= DP_F_UNSIGNED; +	if (cflags == DP_C_SHORT) +	  value = (unsigned short) va_arg (args, unsigned); +	else if (cflags == DP_C_LONG) +	  value = va_arg (args, unsigned long int); +	else +	  value = va_arg (args, unsigned int); +	total += fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags); +	break; +      case 'X': +	flags |= DP_F_UP; +      case 'x': +	flags |= DP_F_UNSIGNED; +	if (cflags == DP_C_SHORT) +	  value = (unsigned short) va_arg (args, unsigned); +	else if (cflags == DP_C_LONG) +	  value = va_arg (args, unsigned long int); +	else +	  value = va_arg (args, unsigned int); +	total += fmtint (buffer, &currlen, maxlen, value, 16, min, max, flags); +	break; +      case 'f': +	if (cflags == DP_C_LDOUBLE) +	  fvalue = va_arg (args, LDOUBLE); +	else +	  fvalue = va_arg (args, double); +	/* um, floating point? */ +	total += fmtfp (buffer, &currlen, maxlen, fvalue, min, max, flags); +	break; +      case 'E': +	flags |= DP_F_UP; +      case 'e': +	if (cflags == DP_C_LDOUBLE) +	  fvalue = va_arg (args, LDOUBLE); +	else +	  fvalue = va_arg (args, double); +	break; +      case 'G': +	flags |= DP_F_UP; +      case 'g': +	if (cflags == DP_C_LDOUBLE) +	  fvalue = va_arg (args, LDOUBLE); +	else +	  fvalue = va_arg (args, double); +	break; +      case 'c': +	total += dopr_outch (buffer, &currlen, maxlen, va_arg (args, int)); +	break; +      case 's': +	strvalue = va_arg (args, char *); +	total += fmtstr (buffer, &currlen, maxlen, strvalue, flags, min, max); +	break; +      case 'p': +	strvalue = va_arg (args, void *); +	total += fmtint (buffer, &currlen, maxlen, (long) strvalue, 16, min, +                         max, flags); +	break; +      case 'n': +	if (cflags == DP_C_SHORT)  +	{ +	  short int *num; +	  num = va_arg (args, short int *); +	  *num = currlen; +        }  +	else if (cflags == DP_C_LONG)  +	{ +	  long int *num; +	  num = va_arg (args, long int *); +	  *num = currlen; +        }  +	else  +	{ +	  int *num; +	  num = va_arg (args, int *); +	  *num = currlen; +        } +	break; +      case '%': +	total += dopr_outch (buffer, &currlen, maxlen, ch); +	break; +      case 'w': +	/* not supported yet, treat as next char */ +	ch = *format++; +	break; +      default: +	/* Unknown, skip */ +	break; +      } +      ch = *format++; +      state = DP_S_DEFAULT; +      flags = cflags = min = 0; +      max = -1; +      break; +    case DP_S_DONE: +      break; +    default: +      /* hmm? */ +      break; /* some picky compilers need this */ +    } +  } +  if (buffer != NULL) +  { +    if (currlen < maxlen - 1)  +      buffer[currlen] = '\0'; +    else  +      buffer[maxlen - 1] = '\0'; +  } +  return total; +} + +static int fmtstr (char *buffer, size_t *currlen, size_t maxlen, +                   char *value, int flags, int min, int max) +{ +  int padlen, strln;     /* amount to pad */ +  int cnt = 0; +  int total = 0; +   +  if (value == 0) +  { +    value = "<NULL>"; +  } + +  for (strln = 0; value[strln]; ++strln); /* strlen */ +  if (max >= 0 && max < strln) +    strln = max; +  padlen = min - strln; +  if (padlen < 0)  +    padlen = 0; +  if (flags & DP_F_MINUS)  +    padlen = -padlen; /* Left Justify */ + +  while (padlen > 0) +  { +    total += dopr_outch (buffer, currlen, maxlen, ' '); +    --padlen; +  } +  while (*value && ((max < 0) || (cnt < max))) +  { +    total += dopr_outch (buffer, currlen, maxlen, *value++); +    ++cnt; +  } +  while (padlen < 0) +  { +    total += dopr_outch (buffer, currlen, maxlen, ' '); +    ++padlen; +  } +  return total; +} + +/* Have to handle DP_F_NUM (ie 0x and 0 alternates) */ + +static int fmtint (char *buffer, size_t *currlen, size_t maxlen, +		   long value, int base, int min, int max, int flags) +{ +  int signvalue = 0; +  unsigned long uvalue; +  char convert[20]; +  int place = 0; +  int spadlen = 0; /* amount to space pad */ +  int zpadlen = 0; /* amount to zero pad */ +  int caps = 0; +  int total = 0; +   +  if (max < 0) +    max = 0; + +  uvalue = value; + +  if(!(flags & DP_F_UNSIGNED)) +  { +    if( value < 0 ) { +      signvalue = '-'; +      uvalue = -value; +    } +    else +      if (flags & DP_F_PLUS)  /* Do a sign (+/i) */ +	signvalue = '+'; +    else +      if (flags & DP_F_SPACE) +	signvalue = ' '; +  } +   +  if (flags & DP_F_UP) caps = 1; /* Should characters be upper case? */ + +  do { +    convert[place++] = +      (caps? "0123456789ABCDEF":"0123456789abcdef") +      [uvalue % (unsigned)base  ]; +    uvalue = (uvalue / (unsigned)base ); +  } while(uvalue && (place < 20)); +  if (place == 20) place--; +  convert[place] = 0; + +  zpadlen = max - place; +  spadlen = min - MAX (max, place) - (signvalue ? 1 : 0); +  if (zpadlen < 0) zpadlen = 0; +  if (spadlen < 0) spadlen = 0; +  if (flags & DP_F_ZERO) +  { +    zpadlen = MAX(zpadlen, spadlen); +    spadlen = 0; +  } +  if (flags & DP_F_MINUS)  +    spadlen = -spadlen; /* Left Justifty */ + +#ifdef DEBUG_SNPRINTF +  dprint (1, (debugfile, "zpad: %d, spad: %d, min: %d, max: %d, place: %d\n", +      zpadlen, spadlen, min, max, place)); +#endif + +  /* Spaces */ +  while (spadlen > 0)  +  { +    total += dopr_outch (buffer, currlen, maxlen, ' '); +    --spadlen; +  } + +  /* Sign */ +  if (signvalue)  +    total += dopr_outch (buffer, currlen, maxlen, signvalue); + +  /* Zeros */ +  if (zpadlen > 0)  +  { +    while (zpadlen > 0) +    { +      total += dopr_outch (buffer, currlen, maxlen, '0'); +      --zpadlen; +    } +  } + +  /* Digits */ +  while (place > 0)  +    total += dopr_outch (buffer, currlen, maxlen, convert[--place]); +   +  /* Left Justified spaces */ +  while (spadlen < 0) { +    total += dopr_outch (buffer, currlen, maxlen, ' '); +    ++spadlen; +  } + +  return total; +} + +static LDOUBLE abs_val (LDOUBLE value) +{ +  LDOUBLE result = value; + +  if (value < 0) +    result = -value; + +  return result; +} + +static LDOUBLE pow10_argp (int exp) +{ +  LDOUBLE result = 1; + +  while (exp) +  { +    result *= 10; +    exp--; +  } +   +  return result; +} + +static long round_argp (LDOUBLE value) +{ +  long intpart; + +  intpart = value; +  value = value - intpart; +  if (value >= 0.5) +    intpart++; + +  return intpart; +} + +static int fmtfp (char *buffer, size_t *currlen, size_t maxlen, +		  LDOUBLE fvalue, int min, int max, int flags) +{ +  int signvalue = 0; +  LDOUBLE ufvalue; +  char iconvert[20]; +  char fconvert[20]; +  int iplace = 0; +  int fplace = 0; +  int padlen = 0; /* amount to pad */ +  int zpadlen = 0;  +  int caps = 0; +  int total = 0; +  long intpart; +  long fracpart; +   +  /*  +   * AIX manpage says the default is 0, but Solaris says the default +   * is 6, and sprintf on AIX defaults to 6 +   */ +  if (max < 0) +    max = 6; + +  ufvalue = abs_val (fvalue); + +  if (fvalue < 0) +    signvalue = '-'; +  else +    if (flags & DP_F_PLUS)  /* Do a sign (+/i) */ +      signvalue = '+'; +    else +      if (flags & DP_F_SPACE) +	signvalue = ' '; + +#if 0 +  if (flags & DP_F_UP) caps = 1; /* Should characters be upper case? */ +#endif + +  intpart = ufvalue; + +  /*  +   * Sorry, we only support 9 digits past the decimal because of our  +   * conversion method +   */ +  if (max > 9) +    max = 9; + +  /* We "cheat" by converting the fractional part to integer by +   * multiplying by a factor of 10 +   */ +  fracpart = round_argp ((pow10_argp (max)) * (ufvalue - intpart)); + +  if (fracpart >= pow10_argp (max)) +  { +    intpart++; +    fracpart -= pow10_argp (max); +  } + +#ifdef DEBUG_SNPRINTF +  dprint (1, (debugfile, "fmtfp: %f =? %d.%d\n", fvalue, intpart, fracpart)); +#endif + +  /* Convert integer part */ +  do { +    iconvert[iplace++] = +      (caps? "0123456789ABCDEF":"0123456789abcdef")[intpart % 10]; +    intpart = (intpart / 10); +  } while(intpart && (iplace < 20)); +  if (iplace == 20) iplace--; +  iconvert[iplace] = 0; + +  /* Convert fractional part */ +  do { +    fconvert[fplace++] = +      (caps? "0123456789ABCDEF":"0123456789abcdef")[fracpart % 10]; +    fracpart = (fracpart / 10); +  } while(fracpart && (fplace < 20)); +  if (fplace == 20) fplace--; +  fconvert[fplace] = 0; + +  /* -1 for decimal point, another -1 if we are printing a sign */ +  padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);  +  zpadlen = max - fplace; +  if (zpadlen < 0) +    zpadlen = 0; +  if (padlen < 0)  +    padlen = 0; +  if (flags & DP_F_MINUS)  +    padlen = -padlen; /* Left Justifty */ + +  if ((flags & DP_F_ZERO) && (padlen > 0))  +  { +    if (signvalue)  +    { +      total += dopr_outch (buffer, currlen, maxlen, signvalue); +      --padlen; +      signvalue = 0; +    } +    while (padlen > 0) +    { +      total += dopr_outch (buffer, currlen, maxlen, '0'); +      --padlen; +    } +  } +  while (padlen > 0) +  { +    total += dopr_outch (buffer, currlen, maxlen, ' '); +    --padlen; +  } +  if (signvalue)  +    total += dopr_outch (buffer, currlen, maxlen, signvalue); + +  while (iplace > 0)  +    total += dopr_outch (buffer, currlen, maxlen, iconvert[--iplace]); + +  /* +   * Decimal point.  This should probably use locale to find the correct +   * char to print out. +   */ +  if (max > 0) +  { +    total += dopr_outch (buffer, currlen, maxlen, '.'); + +    while (fplace > 0)  +      total += dopr_outch (buffer, currlen, maxlen, fconvert[--fplace]); +  } + +  while (zpadlen > 0) +  { +    total += dopr_outch (buffer, currlen, maxlen, '0'); +    --zpadlen; +  } + +  while (padlen < 0)  +  { +    total += dopr_outch (buffer, currlen, maxlen, ' '); +    ++padlen; +  } + +  return total; +} + +static int dopr_outch (char *buffer, size_t *currlen, size_t maxlen, char c) +{ +  if (*currlen + 1 < maxlen) +    buffer[(*currlen)++] = c; +  return 1; +} + +#ifndef HAVE_VSNPRINTF +int vsnprintf (char *str, size_t count, const char *fmt, va_list args) +{ +  if (str != NULL) +    str[0] = 0; +  return dopr(str, count, fmt, args); +} +#endif /* !HAVE_VSNPRINTF */ + +#ifndef HAVE_SNPRINTF +/* VARARGS3 */ +#ifdef HAVE_STDARGS +int snprintf (char *str,size_t count,const char *fmt,...) +#else +int snprintf (va_alist) va_dcl +#endif +{ +#ifndef HAVE_STDARGS +  char *str; +  size_t count; +  char *fmt; +#endif +  VA_LOCAL_DECL; +  int total; +     +  VA_START (fmt); +  VA_SHIFT (str, char *); +  VA_SHIFT (count, size_t ); +  VA_SHIFT (fmt, char *); +  total = vsnprintf(str, count, fmt, ap); +  VA_END; +  return total; +} +#endif /* !HAVE_SNPRINTF */ + +#ifdef TEST_SNPRINTF +#ifndef LONG_STRING +#define LONG_STRING 1024 +#endif +int main (void) +{ +  char buf1[LONG_STRING]; +  char buf2[LONG_STRING]; +  char *fp_fmt[] = { +    "%-1.5f", +    "%1.5f", +    "%123.9f", +    "%10.5f", +    "% 10.5f", +    "%+22.9f", +    "%+4.9f", +    "%01.3f", +    "%4f", +    "%3.1f", +    "%3.2f", +    "%.0f", +    "%.1f", +    NULL +  }; +  double fp_nums[] = { -1.5, 134.21, 91340.2, 341.1234, 0203.9, 0.96, 0.996,  +    0.9996, 1.996, 4.136, 0}; +  char *int_fmt[] = { +    "%-1.5d", +    "%1.5d", +    "%123.9d", +    "%5.5d", +    "%10.5d", +    "% 10.5d", +    "%+22.33d", +    "%01.3d", +    "%4d", +    NULL +  }; +  long int_nums[] = { -1, 134, 91340, 341, 0203, 0}; +  int x, y; +  int fail = 0; +  int num = 0; + +  printf ("Testing snprintf format codes against system sprintf...\n"); + +  for (x = 0; fp_fmt[x] != NULL ; x++) +    for (y = 0; fp_nums[y] != 0 ; y++) +    { +      snprintf (buf1, sizeof (buf1), fp_fmt[x], fp_nums[y]); +      sprintf (buf2, fp_fmt[x], fp_nums[y]); +      if (strcmp (buf1, buf2)) +      { +	printf("snprintf doesn't match Format: %s\n\tsnprintf = %s\n\tsprintf  = %s\n",  +	    fp_fmt[x], buf1, buf2); +	fail++; +      } +      num++; +    } + +  for (x = 0; int_fmt[x] != NULL ; x++) +    for (y = 0; int_nums[y] != 0 ; y++) +    { +      snprintf (buf1, sizeof (buf1), int_fmt[x], int_nums[y]); +      sprintf (buf2, int_fmt[x], int_nums[y]); +      if (strcmp (buf1, buf2)) +      { +	printf("snprintf doesn't match Format: %s\n\tsnprintf = %s\n\tsprintf  = %s\n",  +	    int_fmt[x], buf1, buf2); +	fail++; +      } +      num++; +    } +  printf ("%d tests failed out of %d.\n", fail, num); +} +#endif /* SNPRINTF_TEST */ + +#endif /* !HAVE_SNPRINTF */  | 
