equal
deleted
inserted
replaced
|
1 /* |
|
2 * version.c - implementation of the elf_version(3) function. |
|
3 * Copyright (C) 1995 - 1998, 2007 Michael Riepe |
|
4 * |
|
5 * This library is free software; you can redistribute it and/or |
|
6 * modify it under the terms of the GNU Library General Public |
|
7 * License as published by the Free Software Foundation; either |
|
8 * version 2 of the License, or (at your option) any later version. |
|
9 * |
|
10 * This library is distributed in the hope that it will be useful, |
|
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
13 * Library General Public License for more details. |
|
14 * |
|
15 * You should have received a copy of the GNU Library General Public |
|
16 * License along with this library; if not, write to the Free Software |
|
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
18 */ |
|
19 |
|
20 #include <private.h> |
|
21 |
|
22 #ifndef lint |
|
23 static const char rcsid[] = "@(#) $Id: version.c,v 1.7 2007/09/07 12:07:59 michael Exp $"; |
|
24 #endif /* lint */ |
|
25 |
|
26 unsigned |
|
27 elf_version(unsigned ver) { |
|
28 const char *s; |
|
29 unsigned tmp; |
|
30 |
|
31 if ((s = getenv("LIBELF_SANITY_CHECKS"))) { |
|
32 _elf_sanity_checks = (int)strtol(s, (char**)NULL, 0); |
|
33 } |
|
34 if (ver == EV_NONE) { |
|
35 return EV_CURRENT; |
|
36 } |
|
37 if (!valid_version(ver)) { |
|
38 seterr(ERROR_UNKNOWN_VERSION); |
|
39 return EV_NONE; |
|
40 } |
|
41 tmp = _elf_version == EV_NONE ? EV_CURRENT : _elf_version; |
|
42 _elf_version = ver; |
|
43 return tmp; |
|
44 } |