41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* getaroff.c - implementation of the elf_getaroff(3) function.
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* Copyright (C) 2009 Michael Riepe
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <private.h>
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#ifndef lint
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static const char rcsid[] = "@(#) $Id: getaroff.c,v 1.1 2009/11/01 13:04:19 michael Exp $";
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#endif /* lint */
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off_t
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elf_getaroff(Elf *elf) {
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Elf *ref;
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if (!elf) {
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return (off_t)-1;
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}
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elf_assert(elf->e_magic == ELF_MAGIC);
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if (!(ref = elf->e_parent)) {
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return (off_t)-1;
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}
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elf_assert(ref->e_magic == ELF_MAGIC);
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elf_assert(elf->e_base >= ref->e_base + SARMAG + sizeof(struct ar_hdr));
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return (off_t)(elf->e_base - ref->e_base - sizeof(struct ar_hdr));
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}
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