1 files changed, 58 insertions, 0 deletions
diff --git a/libelf/elf_version.c b/libelf/elf_version.c
new file mode 100644
index 00000000..16bfce10
--- /dev/null
+++ b/libelf/elf_version.c
@@ -0,0 +1,58 @@
+/* Coordinate ELF library and application versions.
+   Copyright (C) 1998, 1999, 2000, 2002 Red Hat, Inc.
+   Contributed by Ulrich Drepper <[email protected]>, 1998.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, version 2.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <libelfP.h>
+
+
+/* Is the version initialized?  */
+int __libelf_version_initialized;
+
+/* Currently selected version.  */
+unsigned int __libelf_version = EV_CURRENT;
+
+
+unsigned int
+elf_version (version)
+     unsigned int version;
+{
+  if (version == EV_NONE)
+    return __libelf_version;
+
+  if (likely (version < EV_NUM))
+    {
+      /* Phew, we know this version.  */
+      unsigned int last_version = __libelf_version;
+
+      /* Store the new version.  */
+      __libelf_version = version;
+
+      /* Signal that the version is now initialized.  */
+      __libelf_version_initialized = 1;
+
+      /* And return the last version.  */
+      return last_version;
+    }
+
+  /* We cannot handle this version.  */
+  __libelf_seterrno (ELF_E_UNKNOWN_VERSION);
+  return EV_NONE;
+}
+INTDEF(elf_version)