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Diffstat (limited to 'src/mountinfo.c')
-rw-r--r--src/mountinfo.c386
1 files changed, 186 insertions, 200 deletions
diff --git a/src/mountinfo.c b/src/mountinfo.c
index c5dc60ff..1e15de4b 100644
--- a/src/mountinfo.c
+++ b/src/mountinfo.c
@@ -28,104 +28,98 @@
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined (__OpenBSD__)
static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
- char **mounts, bool list_nodes, bool list_fstype)
+ char **mounts, bool list_nodes, bool list_fstype)
{
- struct statfs *mnts;
- int nmnts;
- int i;
- char **list = NULL;
-
- if ((nmnts = getmntinfo (&mnts, MNT_NOWAIT)) == 0)
- eerrorx ("getmntinfo: %s", strerror (errno));
-
- for (i = 0; i < nmnts; i++)
- {
- if (node_regex &&
- regexec (node_regex, mnts[i].f_mntfromname, 0, NULL, 0) != 0)
- continue;
- if (fstype_regex &&
- regexec (fstype_regex, mnts[i].f_fstypename, 0, NULL, 0) != 0)
- continue;
-
- if (mounts)
- {
- bool found = false;
- int j;
- char *mnt;
- STRLIST_FOREACH (mounts, mnt, j)
- if (strcmp (mnt, mnts[i].f_mntonname) == 0)
- {
- found = true;
- break;
- }
- if (! found)
- continue;
- }
-
- list = rc_strlist_addsortc (list, list_nodes ?
- mnts[i].f_mntfromname :
- list_fstype ? mnts[i].f_fstypename :
- mnts[i].f_mntonname);
- }
-
- return (list);
+ struct statfs *mnts;
+ int nmnts;
+ int i;
+ char **list = NULL;
+
+ if ((nmnts = getmntinfo (&mnts, MNT_NOWAIT)) == 0)
+ eerrorx ("getmntinfo: %s", strerror (errno));
+
+ for (i = 0; i < nmnts; i++) {
+ if (node_regex &&
+ regexec (node_regex, mnts[i].f_mntfromname, 0, NULL, 0) != 0)
+ continue;
+ if (fstype_regex &&
+ regexec (fstype_regex, mnts[i].f_fstypename, 0, NULL, 0) != 0)
+ continue;
+
+ if (mounts) {
+ bool found = false;
+ int j;
+ char *mnt;
+ STRLIST_FOREACH (mounts, mnt, j)
+ if (strcmp (mnt, mnts[i].f_mntonname) == 0) {
+ found = true;
+ break;
+ }
+ if (! found)
+ continue;
+ }
+
+ list = rc_strlist_addsortc (list, list_nodes ?
+ mnts[i].f_mntfromname :
+ list_fstype ? mnts[i].f_fstypename :
+ mnts[i].f_mntonname);
+ }
+
+ return (list);
}
#elif defined (__linux__)
static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
- char **mounts, bool list_nodes, bool list_fstype)
+ char **mounts, bool list_nodes, bool list_fstype)
{
- FILE *fp;
- char buffer[PATH_MAX * 3];
- char *p;
- char *from;
- char *to;
- char *fstype;
- char **list = NULL;
-
- if ((fp = fopen ("/proc/mounts", "r")) == NULL)
- eerrorx ("getmntinfo: %s", strerror (errno));
-
- while (fgets (buffer, sizeof (buffer), fp))
- {
- p = buffer;
- from = strsep (&p, " ");
- if (node_regex &&
- regexec (node_regex, from, 0, NULL, 0) != 0)
- continue;
-
- to = strsep (&p, " ");
- fstype = strsep (&p, " ");
- /* Skip the really silly rootfs */
- if (strcmp (fstype, "rootfs") == 0)
- continue;
- if (fstype_regex &&
- regexec (fstype_regex, fstype, 0, NULL, 0) != 0)
- continue;
-
- if (mounts)
- {
- bool found = false;
- int j;
- char *mnt;
- STRLIST_FOREACH (mounts, mnt, j)
- if (strcmp (mnt, to) == 0)
- {
- found = true;
- break;
- }
- if (! found)
- continue;
- }
-
- list = rc_strlist_addsortc (list,
- list_nodes ?
- list_fstype ? fstype :
- from : to);
- }
- fclose (fp);
-
- return (list);
+ FILE *fp;
+ char buffer[PATH_MAX * 3];
+ char *p;
+ char *from;
+ char *to;
+ char *fstype;
+ char **list = NULL;
+
+ if ((fp = fopen ("/proc/mounts", "r")) == NULL)
+ eerrorx ("getmntinfo: %s", strerror (errno));
+
+ while (fgets (buffer, sizeof (buffer), fp)) {
+ p = buffer;
+ from = strsep (&p, " ");
+ if (node_regex &&
+ regexec (node_regex, from, 0, NULL, 0) != 0)
+ continue;
+
+ to = strsep (&p, " ");
+ fstype = strsep (&p, " ");
+ /* Skip the really silly rootfs */
+ if (strcmp (fstype, "rootfs") == 0)
+ continue;
+ if (fstype_regex &&
+ regexec (fstype_regex, fstype, 0, NULL, 0) != 0)
+ continue;
+
+ if (mounts) {
+ bool found = false;
+ int j;
+ char *mnt;
+ STRLIST_FOREACH (mounts, mnt, j)
+ if (strcmp (mnt, to) == 0) {
+ found = true;
+ break;
+ }
+ if (! found)
+ continue;
+ }
+
+ list = rc_strlist_addsortc (list,
+ list_nodes ?
+ list_fstype ? fstype :
+ from : to);
+ }
+ fclose (fp);
+
+ return (list);
}
#else
@@ -134,113 +128,105 @@ static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
int main (int argc, char **argv)
{
- int i;
- regex_t *fstype_regex = NULL;
- regex_t *node_regex = NULL;
- regex_t *skip_regex = NULL;
- char **nodes = NULL;
- char *node;
- int result;
- char buffer[256];
- bool list_nodes = false;
- bool list_fstype = false;
- bool reverse = false;
- char **mounts = NULL;
-
- for (i = 1; i < argc; i++)
- {
- if (strcmp (argv[i], "--fstype-regex") == 0 && (i + 1 < argc))
- {
- i++;
- if (fstype_regex)
- free (fstype_regex);
- fstype_regex = rc_xmalloc (sizeof (regex_t));
- if ((result = regcomp (fstype_regex, argv[i],
- REG_EXTENDED | REG_NOSUB)) != 0)
- {
- regerror (result, fstype_regex, buffer, sizeof (buffer));
- eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
- }
- continue;
- }
-
- if (strcmp (argv[i], "--node-regex") == 0 && (i + 1 < argc))
- {
- i++;
- if (node_regex)
- free (node_regex);
- node_regex = rc_xmalloc (sizeof (regex_t));
- if ((result = regcomp (node_regex, argv[i],
- REG_EXTENDED | REG_NOSUB)) != 0)
- {
- regerror (result, node_regex, buffer, sizeof (buffer));
- eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
- }
- continue;
- }
-
- if (strcmp (argv[i], "--skip-regex") == 0 && (i + 1 < argc))
- {
- i++;
- if (skip_regex)
- free (skip_regex);
- skip_regex = rc_xmalloc (sizeof (regex_t));
- if ((result = regcomp (skip_regex, argv[i],
- REG_EXTENDED | REG_NOSUB)) != 0)
- {
- regerror (result, skip_regex, buffer, sizeof (buffer));
- eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
- }
- continue;
- }
-
- if (strcmp (argv[i], "--fstype") == 0)
- {
- list_fstype = true;
- continue;
- }
-
- if (strcmp (argv[i], "--node") == 0)
- {
- list_nodes = true;
- continue;
- }
- if (strcmp (argv[i], "--reverse") == 0)
- {
- reverse = true;
- continue;
- }
-
- if (argv[i][0] != '/')
- eerrorx ("%s: `%s' is not a mount point", argv[0], argv[i]);
-
- mounts = rc_strlist_add (mounts, argv[i]);
- }
-
- nodes = find_mounts (node_regex, fstype_regex, mounts,
- list_nodes, list_fstype);
-
- if (node_regex)
- regfree (node_regex);
- if (fstype_regex)
- regfree (fstype_regex);
-
- if (reverse)
- rc_strlist_reverse (nodes);
-
- result = EXIT_FAILURE;
- STRLIST_FOREACH (nodes, node, i)
- {
- if (skip_regex && regexec (skip_regex, node, 0, NULL, 0) == 0)
- continue;
- printf ("%s\n", node);
- result = EXIT_SUCCESS;
- }
- rc_strlist_free (nodes);
-
- if (skip_regex)
- free (skip_regex);
-
- exit (result);
+ int i;
+ regex_t *fstype_regex = NULL;
+ regex_t *node_regex = NULL;
+ regex_t *skip_regex = NULL;
+ char **nodes = NULL;
+ char *node;
+ int result;
+ char buffer[256];
+ bool list_nodes = false;
+ bool list_fstype = false;
+ bool reverse = false;
+ char **mounts = NULL;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp (argv[i], "--fstype-regex") == 0 && (i + 1 < argc)) {
+ i++;
+ if (fstype_regex)
+ free (fstype_regex);
+ fstype_regex = rc_xmalloc (sizeof (regex_t));
+ if ((result = regcomp (fstype_regex, argv[i],
+ REG_EXTENDED | REG_NOSUB)) != 0)
+ {
+ regerror (result, fstype_regex, buffer, sizeof (buffer));
+ eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
+ }
+ continue;
+ }
+
+ if (strcmp (argv[i], "--node-regex") == 0 && (i + 1 < argc)) {
+ i++;
+ if (node_regex)
+ free (node_regex);
+ node_regex = rc_xmalloc (sizeof (regex_t));
+ if ((result = regcomp (node_regex, argv[i],
+ REG_EXTENDED | REG_NOSUB)) != 0)
+ {
+ regerror (result, node_regex, buffer, sizeof (buffer));
+ eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
+ }
+ continue;
+ }
+
+ if (strcmp (argv[i], "--skip-regex") == 0 && (i + 1 < argc)) {
+ i++;
+ if (skip_regex)
+ free (skip_regex);
+ skip_regex = rc_xmalloc (sizeof (regex_t));
+ if ((result = regcomp (skip_regex, argv[i],
+ REG_EXTENDED | REG_NOSUB)) != 0)
+ {
+ regerror (result, skip_regex, buffer, sizeof (buffer));
+ eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
+ }
+ continue;
+ }
+
+ if (strcmp (argv[i], "--fstype") == 0) {
+ list_fstype = true;
+ continue;
+ }
+
+ if (strcmp (argv[i], "--node") == 0) {
+ list_nodes = true;
+ continue;
+ }
+ if (strcmp (argv[i], "--reverse") == 0) {
+ reverse = true;
+ continue;
+ }
+
+ if (argv[i][0] != '/')
+ eerrorx ("%s: `%s' is not a mount point", argv[0], argv[i]);
+
+ mounts = rc_strlist_add (mounts, argv[i]);
+ }
+
+ nodes = find_mounts (node_regex, fstype_regex, mounts,
+ list_nodes, list_fstype);
+
+ if (node_regex)
+ regfree (node_regex);
+ if (fstype_regex)
+ regfree (fstype_regex);
+
+ if (reverse)
+ rc_strlist_reverse (nodes);
+
+ result = EXIT_FAILURE;
+ STRLIST_FOREACH (nodes, node, i) {
+ if (skip_regex && regexec (skip_regex, node, 0, NULL, 0) == 0)
+ continue;
+ printf ("%s\n", node);
+ result = EXIT_SUCCESS;
+ }
+ rc_strlist_free (nodes);
+
+ if (skip_regex)
+ free (skip_regex);
+
+ exit (result);
}
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