/*

32.getehdr.c - implementation of the elf{32,64}_getehdr(3) functions.

Copyright (C) 1995 - 1998 Michael Riepe

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

modify it under the terms of the GNU Library General Public

License as published by the Free Software Foundation; either

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

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

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Library General Public License for more details.

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

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

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

*/

#include <private.h>

#ifndef lint

static const char rcsid[] = "@(#) $Id: 32.getehdr.c,v 1.8 2005/05/21 15:39:19 michael Exp $";

#endif /* lint */

char*

_elf_getehdr(Elf *elf, unsigned cls) {

    if (!elf) {

	return NULL;

    }

    elf_assert(elf->e_magic == ELF_MAGIC);

    if (elf->e_kind != ELF_K_ELF) {

	seterr(ERROR_NOTELF);

    }

    else if (elf->e_class != cls) {

	seterr(ERROR_CLASSMISMATCH);

    }

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

	return elf->e_ehdr;

    }

    return NULL;

}

Elf32_Ehdr*

elf32_getehdr(Elf *elf) {

    return (Elf32_Ehdr*)_elf_getehdr(elf, ELFCLASS32);

}

#if __LIBELF64

Elf64_Ehdr*

elf64_getehdr(Elf *elf) {

    return (Elf64_Ehdr*)_elf_getehdr(elf, ELFCLASS64);

}

#endif /* __LIBELF64 */