Merge commit '10a89ef04df5669c5cdd02f786150a7ab8454e01'

[sliver-openvswitch.git] / lib / hmap.c

diff --git a/lib/hmap.c b/lib/hmap.c
index 9f27744..f15e72c 100644 (file)
--- a/lib/hmap.c
+++ b/lib/hmap.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2012, 2013 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,6 @@
 
 #include <config.h>
 #include "hmap.h"
-#include <assert.h>
 #include <stdint.h>
 #include <string.h>
 #include "coverage.h"
@@ -91,8 +90,7 @@ resize(struct hmap *hmap, size_t new_mask)
     struct hmap tmp;
     size_t i;
 
-    assert(!(new_mask & (new_mask + 1)));
-    assert(new_mask != SIZE_MAX);
+    ovs_assert(is_pow2(new_mask + 1));
 
     hmap_init(&tmp);
     if (new_mask) {
@@ -261,3 +259,18 @@ hmap_at_position(const struct hmap *hmap,
     *offsetp = 0;
     return NULL;
 }
+
+/* Returns true if 'node' is in 'hmap', false otherwise. */
+bool
+hmap_contains(const struct hmap *hmap, const struct hmap_node *node)
+{
+    struct hmap_node *p;
+
+    for (p = hmap_first_in_bucket(hmap, node->hash); p; p = p->next) {
+        if (p == node) {
+            return true;
+        }
+    }
+
+    return false;
+}