diff options
Diffstat (limited to 'libutil/gr_util.c')
-rw-r--r-- | libutil/gr_util.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libutil/gr_util.c b/libutil/gr_util.c index 0173595..323d3ff 100644 --- a/libutil/gr_util.c +++ b/libutil/gr_util.c @@ -63,6 +63,8 @@ static const char group_line_format[] = "%s:%s:%ju:"; int gr_init(const char *dir, const char *group) { + struct stat st; + if (dir == NULL) { strcpy(group_dir, _PATH_ETC); } else { @@ -88,6 +90,15 @@ gr_init(const char *dir, const char *group) } strcpy(group_file, group); } + + if (stat(group_file, &st) == -1) + return (-1); + + if (S_ISDIR(st.st_mode)) { + errno = EISDIR; + return (-1); + } + initialized = 1; return (0); } |