[GNUnet-SVN] r9362 - gnunet/src/core

[gnunet]

Author: grothoff
Date: 2009-10-31 14:43:41 -0600 (Sat, 31 Oct 2009)
New Revision: 9362

Modified:
   gnunet/src/core/core_api.c
   gnunet/src/core/gnunet-service-core.c
Log:
tolerate empty message

Modified: gnunet/src/core/core_api.c
===================================================================
--- gnunet/src/core/core_api.c  2009-10-31 20:40:49 UTC (rev 9361)
+++ gnunet/src/core/core_api.c  2009-10-31 20:43:41 UTC (rev 9362)
@@ -1054,6 +1054,12 @@
   trigger_next_request (h);
   GNUNET_assert (size >= sizeof (struct SendMessage));
   dt = notify (notify_cls, size - sizeof (struct SendMessage), &sm[1]);
+  if (0 == dt)
+    {
+      /* client decided to send nothing! */
+      return 0;
+    }
+  GNUNET_assert (dt >= sizeof (struct GNUNET_MessageHeader));
   sm->header.size = htons (dt + sizeof (struct SendMessage));
   GNUNET_assert (dt + sizeof (struct SendMessage) < size);
   return dt + sizeof (struct SendMessage);

Modified: gnunet/src/core/gnunet-service-core.c
===================================================================
--- gnunet/src/core/gnunet-service-core.c       2009-10-31 20:40:49 UTC (rev 
9361)
+++ gnunet/src/core/gnunet-service-core.c       2009-10-31 20:43:41 UTC (rev 
9362)
@@ -1750,6 +1750,10 @@
 
 /**
  * Handle CORE_SEND request.
+ *
+ * @param cls unused
+ * @param client the client issuing the request
+ * @param message the "struct SendMessage"
  */
 static void
 handle_client_send (void *cls,
@@ -1796,6 +1800,10 @@
 
 /**
  * Handle CORE_SEND request.
+ *
+ * @param cls unused
+ * @param client the client issuing the request
+ * @param message the "struct SendMessage"
  */
 static void
 handle_client_send (void *cls,