From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 24 Mar 2012 19:30:46 +0000 (+0000)
Subject: -fix #2232
X-Git-Tag: initial-import-from-subversion-38251~14097
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=9ac0acb2484d3b73542315f2164e1a08f80d989c;p=oweals%2Fgnunet.git

-fix #2232
---

diff --git a/src/fs/gnunet-helper-fs-publish.c b/src/fs/gnunet-helper-fs-publish.c
index 4bb77fa22..b96559cd1 100644
--- a/src/fs/gnunet-helper-fs-publish.c
+++ b/src/fs/gnunet-helper-fs-publish.c
@@ -373,8 +373,13 @@ extract_files (struct ScanTreeNode *item)
     
     memcpy (buf, item->filename, slen);
     size = GNUNET_CONTAINER_meta_data_serialize (meta,
-						 &dst, size - slen,
+						 &dst, size,
 						 GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
+    if (size < 0)
+    {
+      GNUNET_break (0);
+      size = 0;
+    }
     GNUNET_CONTAINER_meta_data_destroy (meta);
     if (GNUNET_OK !=
 	write_message (GNUNET_MESSAGE_TYPE_FS_PUBLISH_HELPER_META_DATA,