xref: /onnv-gate/usr/src/lib/libbc/libc/sys/sys5/setgroups.c (revision 722:636b850d4ee9)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
220Sstevel@tonic-gate /*
230Sstevel@tonic-gate  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
27*722Smuffin #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*722Smuffin 
290Sstevel@tonic-gate /*
300Sstevel@tonic-gate  * POSIX.1 compatible setgroups() routine
310Sstevel@tonic-gate  * This is needed while gid_t is not the same size as int (or whatever the
320Sstevel@tonic-gate  * syscall is using at the time).
330Sstevel@tonic-gate  */
340Sstevel@tonic-gate 
350Sstevel@tonic-gate #include <errno.h>
360Sstevel@tonic-gate #include <sys/types.h>
370Sstevel@tonic-gate #include <sys/param.h>
380Sstevel@tonic-gate #include <sys/syscall.h>
390Sstevel@tonic-gate 
40*722Smuffin int
setgroups(int ngroups,gid_t grouplist[])41*722Smuffin setgroups(int ngroups, gid_t grouplist[])
420Sstevel@tonic-gate {
430Sstevel@tonic-gate 	int	glist[NGROUPS];	/* setgroups() syscall expects ints */
44*722Smuffin 	int	i;	/* loop control */
450Sstevel@tonic-gate 
460Sstevel@tonic-gate 	if (ngroups > NGROUPS) {
470Sstevel@tonic-gate 		errno = EINVAL;
480Sstevel@tonic-gate 		return (-1);
490Sstevel@tonic-gate 	}
500Sstevel@tonic-gate 	for (i = 0; i < ngroups; i++)
510Sstevel@tonic-gate 		glist[i] = (int)grouplist[i];
520Sstevel@tonic-gate 	return (_syscall(SYS_setgroups, ngroups, glist));
530Sstevel@tonic-gate }
54