rpm/elfutils/libelf/elf_rand.c

45 lines
1.2 KiB
C

/* Select specific element in archive.
Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
This program is Open Source software; you can redistribute it and/or
modify it under the terms of the Open Software License version 1.0 as
published by the Open Source Initiative.
You should have received a copy of the Open Software License along
with this program; if not, you may obtain a copy of the Open Software
License version 1.0 from http://www.opensource.org/licenses/osl.php or
by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
3001 King Ranch Road, Ukiah, CA 95482. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <libelf.h>
#include <stddef.h>
#include "libelfP.h"
size_t
elf_rand (Elf *elf, size_t offset)
{
/* Be gratious, the specs demand it. */
if (elf == NULL || elf->kind != ELF_K_AR)
return 0;
/* Save the old offset and set the offset. */
elf->state.ar.offset = elf->start_offset + offset;
/* Get the next archive header. */
if (__libelf_next_arhdr (elf) != 0)
{
/* Mark the archive header as unusable. */
elf->state.ar.elf_ar_hdr.ar_name = NULL;
return 0;
}
return offset;
}