Function group_to_gid

uidlist.c:170–193

Parse a group name or (optionally) a number into a gid */

/* Parse a group name or (optionally) a number into a gid */
int group_to_gid(const char *name, gid_t *gid_p, BOOL num_ok)
{
	if (!name || !*name)
		return 0;

	if (num_ok && name[strspn(name, "0123456789")] == '\0') {
		*gid_p = id_parse(name);
		return 1;
	}

	if (namecvt_pid) {
		id_t id;
		if (!namecvt_call("grp", &name, &id))
			return 0;
		*gid_p = id;
	} else {
		struct group *grp = getgrnam(name);
		if (!grp)
			return 0;
		*gid_p = grp->gr_gid;
	}

	return 1;
}

static int is_in_group(gid_t gid)
{