xref: /titanic_50/usr/src/lib/libbc/libc/sys/sys5/setgroups.c (revision bdfc6d18da790deeec2e0eb09c625902defe2498)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * POSIX.1 compatible setgroups() routine
29  * This is needed while gid_t is not the same size as int (or whatever the
30  * syscall is using at the time).
31  */
32 
33 #pragma ident	"%Z%%M%	%I%	%E% SMI"
34 
35 #include <errno.h>
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/syscall.h>
39 
40 setgroups(ngroups, grouplist)
41 int	ngroups;
42 gid_t	grouplist[];
43 {
44 	int	glist[NGROUPS];	/* setgroups() syscall expects ints */
45 	register int	i;	/* loop control */
46 
47 	if (ngroups > NGROUPS) {
48 		errno = EINVAL;
49 		return (-1);
50 	}
51 	for (i = 0; i < ngroups; i++)
52 		glist[i] = (int)grouplist[i];
53 	return (_syscall(SYS_setgroups, ngroups, glist));
54 }
55