/* check if group and user exist */
xuname2uid(argv[0]); /* unknown user: exit */
- xgroup2gid(argv[1]); /* unknown group: exit */
-// race here!
+ gr = xgetgrnam(argv[1]); /* unknown group: exit */
/* check if user is already in this group */
- gr = getgrnam(argv[1]);
for (; *(gr->gr_mem) != NULL; (gr->gr_mem)++) {
if (!strcmp(argv[0], *(gr->gr_mem))) {
/* user is already in group: do nothing */