Clean up turn_back_am(), panic on unknown arity.

[libfirm] / include / libfirm / dfs.h

diff --git a/include/libfirm/dfs.h b/include/libfirm/dfs.h
index 6a549f0..f45692a 100644 (file)
--- a/include/libfirm/dfs.h
+++ b/include/libfirm/dfs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -42,7 +42,7 @@ typedef enum {
        DFS_EDGE_BACK
 } dfs_edge_kind_t;
 
-extern dfs_edge_kind_t dfs_get_edge_kind(const dfs_t *dfs, void *src, void *tgt);
+extern dfs_edge_kind_t dfs_get_edge_kind(const dfs_t *dfs, const void *src, const void *tgt);
 
 extern dfs_t *dfs_new(const absgraph_t *graph_impl, void *graph);
 extern void dfs_free(dfs_t *dfs);