root/usr/src/cmd/sgs/libelf/common/getarhdr.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */

#include <ar.h>
#include "libelf.h"
#include "decl.h"
#include "member.h"
#include "msg.h"


Elf_Arhdr *
elf_getarhdr(Elf * elf)
{
        Member *        mh;
        Elf_Arhdr *     rc;

        if (elf == 0)
                return (0);
        ELFRLOCK(elf)
        if ((mh = elf->ed_armem) == 0) {
                ELFUNLOCK(elf)
                _elf_seterr(EREQ_AR, 0);
                return (0);
        }
        if (mh->m_err != 0) {
                ELFUNLOCK(elf);
                /*LINTED*/
                _elf_seterr((Msg)mh->m_err, 0);
                return (0);
        }
        rc = &elf->ed_armem->m_hdr;
        ELFUNLOCK(elf)
        return (rc);
}