static int is_mounted(struct libmnt_fs *fs)
{
int rc;
const char *src;
src = mnt_fs_get_source(fs);
if (!src)
return 0;
if (!mntcache)
mntcache = mnt_new_cache();
if (!mtab) {
mtab = mnt_new_table();
if (!mtab)
err(FSCK_EX_ERROR, ("failed to initialize libmount table"));
mnt_table_set_cache(mtab, mntcache);
mnt_table_parse_mtab(mtab, NULL);
}
rc = mnt_table_find_source(mtab, src, MNT_ITER_BACKWARD) ? 1 : 0;
if (verbose) {
if (rc)
printf(_("%s is mounted\n"), src);
else
printf(_("%s is not mounted\n"), src);
}
return rc;
}
/*
* See if device has been mounted by looking in mount table. If so, set
* device name and mount point name, and return 1, otherwise return 0.
*/
static int device_get_mountpoint(char **devname, char **mnt)
{
struct libmnt_fs *fs;
int rc;
*mnt = NULL;
if (!mtab) {
mtab = mnt_new_table();
if (!mtab)
err(EXIT_FAILURE, _("failed to initialize libmount table"));
cache = mnt_new_cache();
mnt_table_set_cache(mtab, cache);
if (p_option)
rc = mnt_table_parse_file(mtab, _PATH_PROC_MOUNTINFO);
else
rc = mnt_table_parse_mtab(mtab, NULL);
if (rc)
err(EXIT_FAILURE, _("failed to parse mount table"));
}
fs = mnt_table_find_source(mtab, *devname, MNT_ITER_BACKWARD);
if (!fs) {
/* maybe 'devname' is mountpoint rather than a real device */
fs = mnt_table_find_target(mtab, *devname, MNT_ITER_BACKWARD);
if (fs) {
free(*devname);
*devname = xstrdup(mnt_fs_get_source(fs));
}
}
if (fs) {
*mnt = xstrdup(mnt_fs_get_target(fs));
/* We'll call umount(), so remove the filesystem from the table
* to avoid duplicate results in the next device_get_mountpoint()
* call */
mnt_free_fs(fs);
}
return *mnt ? 0 : -1;
}
/*
* See if device has been mounted by looking in mount table. If so, set
* device name and mount point name, and return 1, otherwise return 0.
*/
static int device_get_mountpoint(char **devname, char **mnt)
{
struct libmnt_fs *fs;
int rc;
*mnt = NULL;
if (!mtab) {
struct libmnt_cache *cache;
mtab = mnt_new_table();
if (!mtab)
err(EXIT_FAILURE, _("failed to initialize libmount table"));
cache = mnt_new_cache();
mnt_table_set_cache(mtab, cache);
mnt_unref_cache(cache);
if (p_option)
rc = mnt_table_parse_file(mtab, _PATH_PROC_MOUNTINFO);
else
rc = mnt_table_parse_mtab(mtab, NULL);
if (rc)
err(EXIT_FAILURE, _("failed to parse mount table"));
}
fs = mnt_table_find_source(mtab, *devname, MNT_ITER_BACKWARD);
if (!fs) {
/* maybe 'devname' is mountpoint rather than a real device */
fs = mnt_table_find_target(mtab, *devname, MNT_ITER_BACKWARD);
if (fs) {
free(*devname);
*devname = xstrdup(mnt_fs_get_source(fs));
}
}
if (fs)
*mnt = xstrdup(mnt_fs_get_target(fs));
return *mnt ? 0 : -1;
}
