- Copyright (C) 1991, 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1991-1992, 1997-2010 Free Software Foundation, Inc.
-# define ME_DUMMY(Fs_name, Fs_type) \
- (strcmp (Fs_type, "autofs") == 0 \
- || strcmp (Fs_type, "subfs") == 0 \
- /* for Irix 6.5 */ \
+# define ME_DUMMY(Fs_name, Fs_type) \
+ (strcmp (Fs_type, "autofs") == 0 \
+ || strcmp (Fs_type, "none") == 0 \
+ || strcmp (Fs_type, "proc") == 0 \
+ || strcmp (Fs_type, "subfs") == 0 \
+ /* for NetBSD 3.0 */ \
+ || strcmp (Fs_type, "kernfs") == 0 \
+ /* for Irix 6.5 */ \
- or if (it is of type smbfs and its Fs_name starts with `//'). */
-# define ME_REMOTE(Fs_name, Fs_type) \
- (strchr (Fs_name, ':') != 0 \
- || ((Fs_name)[0] == '/' \
- && (Fs_name)[1] == '/' \
- && strcmp (Fs_type, "smbfs") == 0))
+ or if (it is of type (smbfs or cifs) and its Fs_name starts with `//'). */
+# define ME_REMOTE(Fs_name, Fs_type) \
+ (strchr (Fs_name, ':') != NULL \
+ || ((Fs_name)[0] == '/' \
+ && (Fs_name)[1] == '/' \
+ && (strcmp (Fs_type, "smbfs") == 0 \
+ || strcmp (Fs_type, "cifs") == 0)))
+
+#if defined MOUNTED_GETMNTENT1 || defined MOUNTED_GETMNTENT2
+
+/* Return the device number from MOUNT_OPTIONS, if possible.
+ Otherwise return (dev_t) -1. */
+static dev_t
+dev_from_mount_options (char const *mount_options)
+{
+ /* GNU/Linux allows file system implementations to define their own
+ meaning for "dev=" mount options, so don't trust the meaning
+ here. */
+# ifndef __linux__
+
+ static char const dev_pattern[] = ",dev=";
+ char const *devopt = strstr (mount_options, dev_pattern);
+
+ if (devopt)
+ {
+ char const *optval = devopt + sizeof dev_pattern - 1;
+ char *optvalend;
+ unsigned long int dev;
+ errno = 0;
+ dev = strtoul (optval, &optvalend, 16);
+ if (optval != optvalend
+ && (*optvalend == '\0' || *optvalend == ',')
+ && ! (dev == ULONG_MAX && errno == ERANGE)
+ && dev == (dev_t) dev)
+ return dev;
+ }
+
+# endif
+ (void) mount_options;
+ return -1;
+}
+
+#endif
+
/* Return a list of the currently mounted file systems, or NULL on error.
Add each entry to the tail of the list so that they stay in order.
If NEED_FS_TYPE is true, ensure that the file system type fields in
/* Return a list of the currently mounted file systems, or NULL on error.
Add each entry to the tail of the list so that they stay in order.
If NEED_FS_TYPE is true, ensure that the file system type fields in
- me = xmalloc (sizeof *me);
- me->me_devname = xstrdup (mnt->mnt_fsname);
- me->me_mountdir = xstrdup (mnt->mnt_dir);
- me->me_type = xstrdup (mnt->mnt_type);
- me->me_type_malloced = 1;
- me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
- me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
- devopt = strstr (mnt->mnt_opts, "dev=");
- if (devopt)
- me->me_dev = strtoul (devopt + 4, NULL, 16);
- else
- me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
-
- /* Add to the linked list. */
- *mtail = me;
- mtail = &me->me_next;
+ me = xmalloc (sizeof *me);
+ me->me_devname = xstrdup (mnt->mnt_fsname);
+ me->me_mountdir = xstrdup (mnt->mnt_dir);
+ me->me_type = xstrdup (mnt->mnt_type);
+ me->me_type_malloced = 1;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
+ me->me_dev = dev_from_mount_options (mnt->mnt_opts);
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
- char *fs_type = fsp_to_string (fsp);
-
- me = xmalloc (sizeof *me);
- me->me_devname = xstrdup (fsp->f_mntfromname);
- me->me_mountdir = xstrdup (fsp->f_mntonname);
- me->me_type = fs_type;
- me->me_type_malloced = 0;
- me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
- me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
- me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
-
- /* Add to the linked list. */
- *mtail = me;
- mtail = &me->me_next;
+ char *fs_type = fsp_to_string (fsp);
+
+ me = xmalloc (sizeof *me);
+ me->me_devname = xstrdup (fsp->f_mntfromname);
+ me->me_mountdir = xstrdup (fsp->f_mntonname);
+ me->me_type = fs_type;
+ me->me_type_malloced = 0;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
+ me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
-#ifdef MOUNTED_GETMNT /* Ultrix. */
+#ifdef MOUNTED_GETMNTINFO2 /* NetBSD 3.0. */
+ {
+ struct statvfs *fsp;
+ int entries;
+
+ entries = getmntinfo (&fsp, MNT_NOWAIT);
+ if (entries < 0)
+ return NULL;
+ for (; entries-- > 0; fsp++)
+ {
+ me = xmalloc (sizeof *me);
+ me->me_devname = xstrdup (fsp->f_mntfromname);
+ me->me_mountdir = xstrdup (fsp->f_mntonname);
+ me->me_type = xstrdup (fsp->f_fstypename);
+ me->me_type_malloced = 1;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
+ me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
+ }
+ }
+#endif /* MOUNTED_GETMNTINFO2 */
+
+#ifdef MOUNTED_GETMNT /* Ultrix. */
- me = xmalloc (sizeof *me);
- me->me_devname = xstrdup (fsd.fd_req.devname);
- me->me_mountdir = xstrdup (fsd.fd_req.path);
- me->me_type = gt_names[fsd.fd_req.fstype];
- me->me_type_malloced = 0;
- me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
- me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
- me->me_dev = fsd.fd_req.dev;
-
- /* Add to the linked list. */
- *mtail = me;
- mtail = &me->me_next;
+ me = xmalloc (sizeof *me);
+ me->me_devname = xstrdup (fsd.fd_req.devname);
+ me->me_mountdir = xstrdup (fsd.fd_req.path);
+ me->me_type = gt_names[fsd.fd_req.fstype];
+ me->me_type_malloced = 0;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
+ me->me_dev = fsd.fd_req.dev;
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
- me = xmalloc (sizeof *me);
- me->me_devname = xstrdup (stats[counter].f_mntfromname);
- me->me_mountdir = xstrdup (stats[counter].f_mntonname);
- me->me_type = xstrdup (FS_TYPE (stats[counter]));
- me->me_type_malloced = 1;
- me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
- me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
- me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
-
- /* Add to the linked list. */
- *mtail = me;
- mtail = &me->me_next;
+ me = xmalloc (sizeof *me);
+ me->me_devname = xstrdup (stats[counter].f_mntfromname);
+ me->me_mountdir = xstrdup (stats[counter].f_mntonname);
+ me->me_type = xstrdup (FS_TYPE (stats[counter]));
+ me->me_type_malloced = 1;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
+ me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
- me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6);
- strcpy (me->me_devname, "/dev/");
- strcpy (me->me_devname + 5, mnt.mt_dev);
+ me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6);
+ strcpy (me->me_devname, "/dev/");
+ strcpy (me->me_devname + 5, mnt.mt_dev);
- me->me_mountdir = xstrdup (mnt.mt_filsys);
- me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
- me->me_type = "";
- me->me_type_malloced = 0;
-# ifdef GETFSTYP /* SVR3. */
- if (need_fs_type)
- {
- struct statfs fsd;
- char typebuf[FSTYPSZ];
-
- if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1
- && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1)
- {
- me->me_type = xstrdup (typebuf);
- me->me_type_malloced = 1;
- }
- }
+ me->me_mountdir = xstrdup (mnt.mt_filsys);
+ me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
+ me->me_type = "";
+ me->me_type_malloced = 0;
+# ifdef GETFSTYP /* SVR3. */
+ if (need_fs_type)
+ {
+ struct statfs fsd;
+ char typebuf[FSTYPSZ];
+
+ if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1
+ && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1)
+ {
+ me->me_type = xstrdup (typebuf);
+ me->me_type_malloced = 1;
+ }
+ }
- me = xmalloc (sizeof *me);
- me->me_devname = xstrdup ( (*ent)->mt_resource);
- me->me_mountdir = xstrdup ( (*ent)->mt_directory);
- me->me_type = xstrdup ((*ent)->mt_fstype);
- me->me_type_malloced = 1;
- me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
- me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
- me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
-
- /* Add to the linked list. */
- *mtail = me;
- mtail = &me->me_next;
+ me = xmalloc (sizeof *me);
+ me->me_devname = xstrdup ( (*ent)->mt_resource);
+ me->me_mountdir = xstrdup ( (*ent)->mt_directory);
+ me->me_type = xstrdup ((*ent)->mt_fstype);
+ me->me_type_malloced = 1;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
+ me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
- struct flock flock;
- flock.l_type = F_RDLCK;
- flock.l_whence = SEEK_SET;
- flock.l_start = 0;
- flock.l_len = 0;
- while (fcntl (lockfd, F_SETLKW, &flock) == -1)
- if (errno != EINTR)
- {
- int saved_errno = errno;
- close (lockfd);
- errno = saved_errno;
- return NULL;
- }
+ struct flock flock;
+ flock.l_type = F_RDLCK;
+ flock.l_whence = SEEK_SET;
+ flock.l_start = 0;
+ flock.l_len = 0;
+ while (fcntl (lockfd, F_SETLKW, &flock) == -1)
+ if (errno != EINTR)
+ {
+ int saved_errno = errno;
+ close (lockfd);
+ errno = saved_errno;
+ return NULL;
+ }
- while ((ret = getmntent (fp, &mnt)) == 0)
- {
- me = xmalloc (sizeof *me);
- me->me_devname = xstrdup (mnt.mnt_special);
- me->me_mountdir = xstrdup (mnt.mnt_mountp);
- me->me_type = xstrdup (mnt.mnt_fstype);
- me->me_type_malloced = 1;
- me->me_dummy = MNT_IGNORE (&mnt) != 0;
- me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
- me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
-
- /* Add to the linked list. */
- *mtail = me;
- mtail = &me->me_next;
- }
-
- ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1;
+ while ((ret = getmntent (fp, &mnt)) == 0)
+ {
+ me = xmalloc (sizeof *me);
+ me->me_devname = xstrdup (mnt.mnt_special);
+ me->me_mountdir = xstrdup (mnt.mnt_mountp);
+ me->me_type = xstrdup (mnt.mnt_fstype);
+ me->me_type_malloced = 1;
+ me->me_dummy = MNT_IGNORE (&mnt) != 0;
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
+ me->me_dev = dev_from_mount_options (mnt.mnt_mntopts);
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
+ }
+
+ ret = fclose (fp) == EOF ? errno : 0 < ret ? 0 : -1;
- char *options, *ignore;
-
- vmp = (struct vmount *) thisent;
- me = xmalloc (sizeof *me);
- if (vmp->vmt_flags & MNT_REMOTE)
- {
- char *host, *dir;
-
- me->me_remote = 1;
- /* Prepend the remote dirname. */
- host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off;
- dir = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off;
- me->me_devname = xmalloc (strlen (host) + strlen (dir) + 2);
- strcpy (me->me_devname, host);
- strcat (me->me_devname, ":");
- strcat (me->me_devname, dir);
- }
- else
- {
- me->me_remote = 0;
- me->me_devname = xstrdup (thisent +
- vmp->vmt_data[VMT_OBJECT].vmt_off);
- }
- me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off);
- me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype));
- me->me_type_malloced = 1;
- options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off;
- ignore = strstr (options, "ignore");
- me->me_dummy = (ignore
- && (ignore == options || ignore[-1] == ',')
- && (ignore[sizeof "ignore" - 1] == ','
- || ignore[sizeof "ignore" - 1] == '\0'));
- me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */
-
- /* Add to the linked list. */
- *mtail = me;
- mtail = &me->me_next;
+ char *options, *ignore;
+
+ vmp = (struct vmount *) thisent;
+ me = xmalloc (sizeof *me);
+ if (vmp->vmt_flags & MNT_REMOTE)
+ {
+ char *host, *dir;
+
+ me->me_remote = 1;
+ /* Prepend the remote dirname. */
+ host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off;
+ dir = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off;
+ me->me_devname = xmalloc (strlen (host) + strlen (dir) + 2);
+ strcpy (me->me_devname, host);
+ strcat (me->me_devname, ":");
+ strcat (me->me_devname, dir);
+ }
+ else
+ {
+ me->me_remote = 0;
+ me->me_devname = xstrdup (thisent +
+ vmp->vmt_data[VMT_OBJECT].vmt_off);
+ }
+ me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off);
+ me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype));
+ me->me_type_malloced = 1;
+ options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off;
+ ignore = strstr (options, "ignore");
+ me->me_dummy = (ignore
+ && (ignore == options || ignore[-1] == ',')
+ && (ignore[sizeof "ignore" - 1] == ','
+ || ignore[sizeof "ignore" - 1] == '\0'));
+ me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */
+
+ /* Add to the linked list. */
+ *mtail = me;
+ mtail = &me->me_next;
- me = mount_list->me_next;
- free (mount_list->me_devname);
- free (mount_list->me_mountdir);
- if (mount_list->me_type_malloced)
- free (mount_list->me_type);
- free (mount_list);
- mount_list = me;
+ me = mount_list->me_next;
+ free (mount_list->me_devname);
+ free (mount_list->me_mountdir);
+ if (mount_list->me_type_malloced)
+ free (mount_list->me_type);
+ free (mount_list);
+ mount_list = me;