diff options
Diffstat (limited to 'pw/pw_group.c')
-rw-r--r-- | pw/pw_group.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pw/pw_group.c b/pw/pw_group.c index b20ce88..51166cd 100644 --- a/pw/pw_group.c +++ b/pw/pw_group.c @@ -68,7 +68,11 @@ pw_group(struct userconf * cnf, int mode, struct cargs * args) }; if (a_gid != NULL) { - if (strspn(a_gid->val, "0123456789") != strlen(a_gid->val)) + const char *teststr; + teststr = a_gid->val; + if (*teststr == '-') + teststr++; + if (strspn(teststr, "0123456789") != strlen(teststr)) errx(EX_USAGE, "-g expects a number"); } |