diff options
Diffstat (limited to 'cmds-subvolume.c')
-rw-r--r-- | cmds-subvolume.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/cmds-subvolume.c b/cmds-subvolume.c index d4ef1021..9866c775 100644 --- a/cmds-subvolume.c +++ b/cmds-subvolume.c @@ -223,20 +223,20 @@ out: } /* - * test if path is a subvolume: - * this function return - * 0-> path exists but it is not a subvolume - * 1-> path exists and it is a subvolume - * -1 -> path is unaccessible + * Test if path is a subvolume + * Returns: + * 0 - path exists but it is not a subvolume + * 1 - path exists and it is a subvolume + * < 0 - error */ -int test_issubvolume(char *path) +int test_issubvolume(const char *path) { struct stat st; int res; res = stat(path, &st); - if(res < 0 ) - return -1; + if (res < 0) + return -errno; return (st.st_ino == BTRFS_FIRST_FREE_OBJECTID) && S_ISDIR(st.st_mode); |