diff --git a/misc/xmalloc.c b/misc/xmalloc.c
index 3faa6a8..0e757e8 100644
--- a/misc/xmalloc.c
+++ b/misc/xmalloc.c
@@ -28,6 +28,16 @@
         MSG("Virtual memory exhausted.\n");
         exit (1);
     }
+    memset(res,0,size);
+    return res;
+}
+
+void *xcalloc( int size )
+{
+    void *res;
+
+    res = xmalloc (size);
+    memset(res,0,size);
     return res;
 }