diff options
| -rw-r--r-- | coreutils/test.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/coreutils/test.c b/coreutils/test.c index bbc802283..c1097c28c 100644 --- a/coreutils/test.c +++ b/coreutils/test.c @@ -151,7 +151,7 @@ typedef int arith_t; static char **t_wp; static struct t_op const *t_wp_op; -static gid_t *group_array = NULL; +static gid_t *group_array; static int ngroups; static enum token t_lex(char *s); @@ -547,8 +547,10 @@ static int test_eaccess(char *path, int mode) static void initialize_group_array(void) { ngroups = getgroups(0, NULL); - group_array = xrealloc(group_array, ngroups * sizeof(gid_t)); - getgroups(ngroups, group_array); + if (ngroups > 0) { + group_array = xmalloc(ngroups * sizeof(gid_t)); + getgroups(ngroups, group_array); + } } /* Return non-zero if GID is one that we have in our groups list. */ |