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 /argp-standalone/argp-fmtstream.c | |
| 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 'argp-standalone/argp-fmtstream.c')
| -rw-r--r-- | argp-standalone/argp-fmtstream.c | 477 | 
1 files changed, 0 insertions, 477 deletions
diff --git a/argp-standalone/argp-fmtstream.c b/argp-standalone/argp-fmtstream.c deleted file mode 100644 index 494b6b31d12..00000000000 --- a/argp-standalone/argp-fmtstream.c +++ /dev/null @@ -1,477 +0,0 @@ -/* 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 */  | 
