diff --git a/src/shared/fstab-util.c b/src/shared/fstab-util.c index 5675b0beac..ec2e868ca8 100644 --- a/src/shared/fstab-util.c +++ b/src/shared/fstab-util.c @@ -34,6 +34,26 @@ #include "strv.h" #include "util.h" +int fstab_has_fstype(const char *fstype) { + _cleanup_endmntent_ FILE *f = NULL; + struct mntent *m; + + f = setmntent("/etc/fstab", "re"); + if (!f) + return errno == ENOENT ? false : -errno; + + for (;;) { + errno = 0; + m = getmntent(f); + if (!m) + return errno != 0 ? -errno : false; + + if (streq(m->mnt_type, fstype)) + return true; + } + return false; +} + int fstab_is_mount_point(const char *mount) { _cleanup_endmntent_ FILE *f = NULL; struct mntent *m; diff --git a/src/shared/fstab-util.h b/src/shared/fstab-util.h index bae8c0a894..bbf0441351 100644 --- a/src/shared/fstab-util.h +++ b/src/shared/fstab-util.h @@ -25,6 +25,7 @@ #include "macro.h" int fstab_is_mount_point(const char *mount); +int fstab_has_fstype(const char *fstype); int fstab_filter_options(const char *opts, const char *names, const char **namefound, char **value, char **filtered);