xref: /onnv-gate/usr/src/lib/libbc/libc/sys/sys5/getgroups.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 getgroups() 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 <sys/types.h>
360Sstevel@tonic-gate #include <sys/param.h>
370Sstevel@tonic-gate #include <sys/syscall.h>
380Sstevel@tonic-gate 
39*722Smuffin int
getgroups(int gidsetsize,gid_t grouplist[])40*722Smuffin getgroups(int gidsetsize, gid_t grouplist[])
410Sstevel@tonic-gate {
420Sstevel@tonic-gate 	int	glist[NGROUPS];	/* getgroups() syscall returns ints */
43*722Smuffin 	int	i;	/* loop control */
44*722Smuffin 	int	rc;	/* return code hold area */
450Sstevel@tonic-gate 
460Sstevel@tonic-gate 	rc = _syscall(SYS_getgroups, gidsetsize, glist);
470Sstevel@tonic-gate 	if (rc > 0 && gidsetsize != 0)
480Sstevel@tonic-gate 		for (i = 0; i < rc; i++)
490Sstevel@tonic-gate 			grouplist[i] = (gid_t)glist[i];
500Sstevel@tonic-gate 	return (rc);
510Sstevel@tonic-gate }
52