| /* |
| * 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; |
| } |
