45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* version.c - implementation of the elf_version(3) function.
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* Copyright (C) 1995 - 1998, 2007 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: version.c,v 1.8 2008/05/23 08:15:35 michael Exp $";
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#endif /* lint */
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unsigned
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elf_version(unsigned ver) {
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const char *s;
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unsigned tmp;
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if ((s = getenv("LIBELF_SANITY_CHECKS"))) {
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_elf_sanity_checks = (int)strtol(s, (char**)NULL, 0);
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}
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if (ver == EV_NONE) {
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return EV_CURRENT;
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}
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if (!valid_version(ver)) {
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seterr(ERROR_UNKNOWN_VERSION);
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return EV_NONE;
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}
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tmp = _elf_version == EV_NONE ? EV_CURRENT : _elf_version;
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_elf_version = ver;
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return tmp;
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}
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