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/*
* version.c - implementation of the elf_version(3) function.
* Copyright (C) 1995 - 1998, 2007 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <private.h>
#ifndef lint
static const char rcsid[] = "@(#) $Id: version.c,v 1.8 2008/05/23 08:15:35 michael Exp $";
#endif /* lint */
unsigned
elf_version(unsigned ver) {
const char *s;
unsigned tmp;
if ((s = getenv("LIBELF_SANITY_CHECKS"))) {
_elf_sanity_checks = (int)strtol(s, (char**)NULL, 0);
}
if (ver == EV_NONE) {
return EV_CURRENT;
}
if (!valid_version(ver)) {
seterr(ERROR_UNKNOWN_VERSION);
return EV_NONE;
}
tmp = _elf_version == EV_NONE ? EV_CURRENT : _elf_version;
_elf_version = ver;
return tmp;
}
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