Support dtor sections on Mach-O.

[libfirm] / ir / adt / bipartite.c

diff --git a/ir/adt/bipartite.c b/ir/adt/bipartite.c
index cc62728..4c47e97 100644 (file)
--- a/ir/adt/bipartite.c
+++ b/ir/adt/bipartite.c
@@ -19,13 +19,11 @@
 
 /**
  * @file
- * @brief  Specialized implementation for perfect bipartite matching.
- * @author Sebastian Hack
- * @cvs-id $Id$
+ * @brief   Specialized implementation for perfect bipartite matching.
+ * @author  Sebastian Hack
+ * @version $Id$
  */
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
 
 #include <stdio.h>
 #include <assert.h>
@@ -41,12 +39,8 @@ struct _bipartite_t {
 
 bipartite_t *bipartite_new(int n_left, int n_right)
 {
-       int i, size;
-       bipartite_t *gr;
-
-       size = n_left > 0 ? n_left - 1 : 0;
-       gr = xmalloc(sizeof(*gr) + size * sizeof(void *));
-       memset(gr, 0, sizeof(*gr));
+       bipartite_t *gr = XMALLOCFZ(bipartite_t, adj, n_left);
+       int i;
 
        gr->n_left = n_left;
        gr->n_right = n_right;
@@ -135,7 +129,7 @@ static int apply_alternating_path(const bipartite_t *gr, int *matching,
                        assert(!bitset_is_set(matched_left, left));
 
                        bitset_andnot(tmp, matched_right);
-                       if(bitset_popcnt(tmp) == 0)
+                       if(bitset_is_empty(tmp))
                                continue;
 
                        right = bitset_next_set(tmp, 0);