minix/lib/nbsd_libc/gen/getgrouplist.c
Gianluca Guida b6cbf7203b Import unmodified NetBSD libc in trunk
This patch imports the unmodified current version of NetBSD libc.
The NetBSD includes are in /nbsd_include, while the libc code itself is 
split between lib/nbsd_libc and common/lib/libc.
2011-02-14 19:36:03 +00:00

70 lines
2.4 KiB
C

/* $NetBSD: getgrouplist.c,v 1.22 2008/04/28 20:22:59 martin Exp $ */
/*-
* Copyright (c) 2004-2005 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Luke Mewburn.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)getgrouplist.c 8.2 (Berkeley) 12/8/94";
#else
__RCSID("$NetBSD: getgrouplist.c,v 1.22 2008/04/28 20:22:59 martin Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
/*
* calculate group access list
*/
#include "namespace.h"
#include <sys/param.h>
#include <assert.h>
#include <nsswitch.h>
#include <stdarg.h>
#include <unistd.h>
#ifdef __weak_alias
__weak_alias(getgrouplist,_getgrouplist)
#endif
int
getgrouplist(const char *uname, gid_t agroup, gid_t *groups, int *grpcnt)
{
int rv, groupc;
_DIAGASSERT(uname != NULL);
/* groups may be NULL if just sizing when invoked with *grpcnt = 0 */
_DIAGASSERT(grpcnt != NULL);
groupc = 0;
rv = getgroupmembership(uname, agroup, groups, *grpcnt, &groupc);
*grpcnt = groupc; /* set groupc to the actual # of groups */
return rv;
}