1 /*

     2 getident.c - implementation of the elf_getident(3) function.

     3 Copyright (C) 1995 - 1998 Michael Riepe

     4 

     5 This library is free software; you can redistribute it and/or

     6 modify it under the terms of the GNU Library General Public

     7 License as published by the Free Software Foundation; either

     8 version 2 of the License, or (at your option) any later version.

     9 

    10 This library is distributed in the hope that it will be useful,

    11 but WITHOUT ANY WARRANTY; without even the implied warranty of

    12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13 Library General Public License for more details.

    14 

    15 You should have received a copy of the GNU Library General Public

    16 License along with this library; if not, write to the Free Software

    17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    18 */

    19 

    20 #include <private.h>

    21 

    22 #ifndef lint

    23 static const char rcsid[] = "@(#) $Id: getident.c,v 1.6 2005/05/21 15:39:23 michael Exp $";

    24 #endif /* lint */

    25 

    26 char*

    27 elf_getident(Elf *elf, size_t *ptr) {

    28     size_t tmp;

    29 

    30     if (!ptr) {

    31 	ptr = &tmp;

    32     }

    33     if (!elf) {

    34 	*ptr = 0;

    35 	return NULL;

    36     }

    37     elf_assert(elf->e_magic == ELF_MAGIC);

    38     if (elf->e_kind != ELF_K_ELF) {

    39 	*ptr = elf->e_idlen;

    40 	return elf->e_data;

    41     }

    42     if (elf->e_ehdr || _elf_cook(elf)) {

    43 	*ptr = elf->e_idlen;

    44 	return elf->e_ehdr;

    45     }

    46     *ptr = 0;

    47     return NULL;

    48 }