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/* Return offset in archive for current file ELF.
Copyright (C) 2005, 2008, 2015 Red Hat, Inc.
This file is part of elfutils.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
This file is free software; you can redistribute it and/or modify
it under the terms of either
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at
your option) any later version
or
* the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at
your option) any later version
or both in parallel, as here.
elfutils 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
General Public License for more details.
You should have received copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <assert.h>
#include <libelf.h>
#include <stddef.h>
#include "libelfP.h"
off_t
elf_getaroff (Elf *elf)
{
/* Be gratious, the specs demand it. */
if (elf == NULL || elf->parent == NULL)
return ELF_C_NULL;
/* We can be sure the parent is an archive. */
Elf *parent = elf->parent;
assert (parent->kind == ELF_K_AR);
return elf->start_offset - sizeof (struct ar_hdr) - parent->start_offset;
}
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