int find_binary(const char *name, char **filename) {
assert(name);
- if (strchr(name, '/')) {
+ if (is_path(name)) {
if (access(name, X_OK) < 0)
return -errno;
}
int fsck_exists(const char *fstype) {
+ _cleanup_free_ char *p = NULL, *d = NULL;
const char *checker;
+ int r;
checker = strappenda("fsck.", fstype);
- return find_binary(checker, NULL);
+
+ r = find_binary(checker, &p);
+ if (r < 0)
+ return r;
+
+ /* An fsck that is linked to /bin/true is a non-existant
+ * fsck */
+
+ r = readlink_malloc(p, &d);
+ if (r >= 0 &&
+ (path_equal(d, "/bin/true") ||
+ path_equal(d, "/usr/bin/true") ||
+ path_equal(d, "/dev/null")))
+ return -ENOENT;
+
+ return 0;
}