[GNUnet-SVN] r11974 - gnunet/src/util

[gnunet]

Author: grothoff
Date: 2010-06-27 14:46:48 +0200 (Sun, 27 Jun 2010)
New Revision: 11974

Modified:
   gnunet/src/util/container_meta_data.c
Log:
tolerate md==NULL

Modified: gnunet/src/util/container_meta_data.c
===================================================================
--- gnunet/src/util/container_meta_data.c       2010-06-27 12:43:24 UTC (rev 
11973)
+++ gnunet/src/util/container_meta_data.c       2010-06-27 12:46:48 UTC (rev 
11974)
@@ -474,6 +474,8 @@
 {
   struct MetaItem *pos;
 
+  if (md == NULL)
+    return 0;
   if (iter == NULL)
     return md->item_count;
   pos = md->items;
@@ -509,6 +511,8 @@
 {
   struct MetaItem *pos;
 
+  if (md == NULL)
+    return NULL;
   pos = md->items;
   while (NULL != pos)
     {
@@ -542,6 +546,8 @@
   va_list args;
   enum EXTRACTOR_MetaType type;
 
+  if (md == NULL)
+    return NULL;
   ret = NULL;
   va_start (args, md);
   while (1)
@@ -574,6 +580,8 @@
   struct MetaItem *pos;
   struct MetaItem *match;
 
+  if (md == NULL)
+    return 0;
   match = NULL;
   pos = md->items;
   while (NULL != pos)