X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Flibgame%2Fhash.h;h=8fe6f7fabbd4ab0c8861ba9f077c4a6f4c3d6064;hb=afba55b62615e9b162159c0f7b0df602f27f69a7;hp=8d0eff235c38348e4e7afbb5b9667aa33510e51d;hpb=e1342541fd884143a3d43a5cc7a44de99aa7c715;p=rocksndiamonds.git

diff --git a/src/libgame/hash.h b/src/libgame/hash.h
index 8d0eff23..8fe6f7fa 100644
--- a/src/libgame/hash.h
+++ b/src/libgame/hash.h
@@ -196,6 +196,24 @@ static int fnname (struct hashtable *h, keytype *k, valuetype *v) \
   return hashtable_change(h, k, v); \
 }
 
+/*****************************************************************************
+ * hashtable_exists
+   
+ * @name        hashtable_exists
+ * @param   h   the hashtable to search
+ * @param   k   the key to search for
+ * @return      non-zero if key exists, else zero
+ */
+
+int
+hashtable_exists(struct hashtable *h, void *k);
+
+#define DEFINE_HASHTABLE_EXISTS(fnname, keytype, valuetype) \
+static int fnname (struct hashtable *h, keytype *k) \
+{ \
+  return hashtable_exists(h, k); \
+}
+
 /*****************************************************************************
  * hashtable_search