summaryrefslogtreecommitdiff
path: root/lib/version.c
diff options
context:
space:
mode:
authorIgor Pashev <pashev.igor@gmail.com>2012-09-04 18:09:07 +0400
committerIgor Pashev <pashev.igor@gmail.com>2012-09-04 18:09:07 +0400
commitea8b1f90d46279d7814a0c7f6b6742d3fab034f7 (patch)
treed626f0ab0d0016423d9ac76473ec928c231b91a5 /lib/version.c
downloadlibelf-upstream.tar.gz
Imported Upstream version 0.8.13upstream
Diffstat (limited to 'lib/version.c')
-rw-r--r--lib/version.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/version.c b/lib/version.c
new file mode 100644
index 0000000..7a901d3
--- /dev/null
+++ b/lib/version.c
@@ -0,0 +1,44 @@
+/*
+ * 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;
+}