-static int is_in_group(gid_t gid)
-{
-#ifdef GETGROUPS_T
- static gid_t last_in = (gid_t) -2, last_out;
- static int ngroups = -2;
- static GETGROUPS_T *gidset;
- int n;
-
- if (gid == last_in)
- return last_out;
- if (ngroups < -1) {
- /* treat failure (-1) as if not member of any group */
- ngroups = getgroups(0, 0);
- if (ngroups > 0) {
- gidset = new_array(GETGROUPS_T, ngroups);
- ngroups = getgroups(ngroups, gidset);
- }
- }
-
- last_in = gid;
- last_out = 0;
- for (n = 0; n < ngroups; n++) {
- if (gidset[n] == gid) {
- last_out = 1;
- break;
- }
- }
- return last_out;
-
-#else
- return 0;
-#endif
-}
-