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-rw-r--r--contrib/mount/mntent.c163
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diff --git a/contrib/mount/mntent.c b/contrib/mount/mntent.c
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+/*
+ * Copyright (c) 1980, 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ * Copyright (c) 2001
+ * David Rufino <daverufino@btinternet.com>
+ * Copyright (c) 2014
+ * Red Hat, Inc. <http://www.redhat.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef GF_DARWIN_HOST_OS
+#include <stdlib.h>
+#include <string.h>
+#include <sys/param.h>
+#include <sys/ucred.h>
+#include <sys/mount.h>
+#include "mntent_compat.h"
+
+static int pos = -1;
+static int mntsize = -1;
+static struct mntent _mntent;
+
+char *
+hasmntopt (const struct mntent *mnt, const char *option)
+{
+ int found;
+ char *opt, *optbuf;
+
+ optbuf = strdup(mnt->mnt_opts);
+ found = 0;
+ for (opt = optbuf; (opt = strtok(opt, " ")) != NULL; opt = NULL) {
+ if (!strcasecmp(opt, option)) {
+ opt = opt - optbuf + mnt->mnt_opts;
+ free (optbuf);
+ return (opt);
+ }
+ }
+ free (optbuf);
+ return (NULL);
+}
+
+static char *
+concatopt (char *s0, const char *s1)
+{
+ size_t i;
+ char *cp;
+
+ if (s1 == NULL || *s1 == '\0')
+ return s0;
+ if (s0 && *s0) {
+ i = strlen(s0) + strlen(s1) + 1 + 1;
+ if ((cp = (char *)malloc(i)) == NULL)
+ return (NULL);
+ (void)snprintf(cp, i, "%s %s", s0, s1);
+ } else
+ cp = strdup(s1);
+
+ if (s0)
+ free(s0);
+ return (cp);
+}
+
+
+static char *
+flags2opts (int flags)
+{
+ char *res;
+ res = NULL;
+ res = concatopt(res, (flags & MNT_RDONLY) ? "ro" : "rw");
+ if (flags & MNT_SYNCHRONOUS) res = concatopt(res, "sync");
+ if (flags & MNT_NOEXEC) res = concatopt(res, "noexec");
+ if (flags & MNT_NOSUID) res = concatopt(res, "nosuid");
+ if (flags & MNT_NODEV) res = concatopt(res, "nodev");
+ if (flags & MNT_UNION) res = concatopt(res, "union");
+ if (flags & MNT_ASYNC) res = concatopt(res, "async");
+#if !defined(GF_DARWIN_HOST_OS)
+ if (flags & MNT_NOATIME) res = concatopt(res, "noatime");
+ if (flags & MNT_NOCLUSTERR) res = concatopt(res, "noclusterr");
+ if (flags & MNT_NOCLUSTERW) res = concatopt(res, "noclusterw");
+ if (flags & MNT_NOSYMFOLLOW) res = concatopt(res, "nosymfollow");
+ if (flags & MNT_SUIDDIR) res = concatopt(res, "suiddir");
+#endif
+ return res;
+}
+
+static struct mntent *
+statfs_to_mntent (struct statfs *mntbuf)
+{
+ static char opts_buf[40], *tmp;
+
+ _mntent.mnt_fsname = mntbuf->f_mntfromname;
+ _mntent.mnt_dir = mntbuf->f_mntonname;
+ _mntent.mnt_type = mntbuf->f_fstypename;
+ tmp = flags2opts (mntbuf->f_flags);
+ if (tmp) {
+ opts_buf[sizeof(opts_buf)-1] = '\0';
+ strncpy (opts_buf, tmp, sizeof(opts_buf)-1);
+ free (tmp);
+ } else {
+ *opts_buf = '\0';
+ }
+ _mntent.mnt_opts = opts_buf;
+ _mntent.mnt_freq = _mntent.mnt_passno = 0;
+ return (&_mntent);
+}
+
+struct mntent *
+getmntent (FILE *fp)
+{
+ struct statfs *mntbuf;
+
+ if (pos == -1 || mntsize == -1)
+ mntsize = getmntinfo (&mntbuf, MNT_NOWAIT);
+
+ ++pos;
+ if (pos == mntsize) {
+ pos = mntsize = -1;
+ return (NULL);
+ }
+
+ return (statfs_to_mntent (&mntbuf[pos]));
+}
+
+/* Dummy functions */
+FILE *
+setmntent(const char *filename, const char *type)
+{
+ return (FILE *)0x1;
+}
+
+int
+endmntent (FILE *fp)
+{
+ return 1;
+}
+#endif /* GF_DARWIN_HOST_OS */