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m68k/libelf/lib/version.c

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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <private.h>
+
+#ifndef lint
+static const char rcsid[] = "@(#) $Id: version.c,v 1.1 2008/06/16 00:01:22 cjohns 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;
+}