/*

rand.c - implementation of the elf_rand(3) function.

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: rand.c,v 1.6 2005/05/21 15:39:25 michael Exp $";

#endif /* lint */

size_t

elf_rand(Elf *elf, size_t offset) {

    if (!elf) {

	return 0;

    }

    elf_assert(elf->e_magic == ELF_MAGIC);

    if (elf->e_kind != ELF_K_AR) {

	seterr(ERROR_NOTARCHIVE);

    }

    else if (offset <= 0 || offset > elf->e_size) {

	seterr(ERROR_BADOFF);

    }

    else {

	elf->e_off = offset;

	return offset;

    }

    return 0;

}