/*      $NetBSD: elf_getarsym.c,v 1.5 2024/03/03 17:37:33 christos Exp $        */

/*-
* Copyright (c) 2006,2008 Joseph Koshy
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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>

#include <libelf.h>

#include "_libelf.h"

__RCSID("$NetBSD: elf_getarsym.c,v 1.5 2024/03/03 17:37:33 christos Exp $");

Elf_Arsym *
elf_getarsym(Elf *ar, size_t *ptr)
{
       size_t n;
       Elf_Arsym *symtab;

       n = 0;
       symtab = NULL;

       if (ar == NULL || ar->e_kind != ELF_K_AR)
               LIBELF_SET_ERROR(ARGUMENT, 0);
       else if ((symtab = ar->e_u.e_ar.e_symtab) != NULL)
               n = ar->e_u.e_ar.e_symtabsz;
       else if (ar->e_u.e_ar.e_rawsymtab)
               symtab = (ar->e_flags & LIBELF_F_AR_VARIANT_SVR4) ?
                   _libelf_ar_process_svr4_symtab(ar, &n) :
                   _libelf_ar_process_bsd_symtab(ar, &n);
       else
               LIBELF_SET_ERROR(ARCHIVE, 0);

       if (ptr)
               *ptr = n;
       return (symtab);
}