X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fshash.c;h=a5bfecf04a0d53b4b8fdd28a6e718aef4495a040;hb=0d0f05b909b6428d44eb147bd4edd73782d2a137;hp=5257de12aad4c4df7acb03809224e1e0bdd70e0c;hpb=7634353824f1631c3008dc43a4a1cc0aebff3caa;p=openvswitch

diff --git a/lib/shash.c b/lib/shash.c
index 5257de12..a5bfecf0 100644
--- a/lib/shash.c
+++ b/lib/shash.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2010 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -40,6 +40,18 @@ shash_destroy(struct shash *sh)
     }
 }
 
+void
+shash_swap(struct shash *a, struct shash *b)
+{
+    hmap_swap(&a->map, &b->map);
+}
+
+void
+shash_moved(struct shash *sh)
+{
+    hmap_moved(&sh->map);
+}
+
 void
 shash_clear(struct shash *sh)
 {
@@ -168,3 +180,21 @@ shash_sort(const struct shash *sh)
         return nodes;
     }
 }
+
+/* Returns true if 'a' and 'b' contain the same keys (regardless of their
+ * values), false otherwise. */
+bool
+shash_equal_keys(const struct shash *a, const struct shash *b)
+{
+    struct shash_node *node;
+
+    if (hmap_count(&a->map) != hmap_count(&b->map)) {
+        return false;
+    }
+    SHASH_FOR_EACH (node, a) {
+        if (!shash_find(b, node->name)) {
+            return false;
+        }
+    }
+    return true;
+}