Export Object code/documentation updates:

 - Note in the user's guide that export object is not available 
   in GTK1 builds of Wireshark.
 - Make scanning through the slists more efficient
 - Use new tap.c function called have_tap_listener() to only save
   object payload data when the export object listener is actively
   listening for it.
 - Save objects in the HTTP dissector with g_malloc() instead of
   se_malloc() and free it when we're done with it - when the
   export object window is closed (Fixes bug #1412)
 - Various minor improvements


svn path=/trunk/; revision=20980

1 files changed, 4 insertions, 3 deletions

diff --git a/gtk/export_object_http.c b/gtk/export_object_http.c
index 2665f595cd..6ae40ca9c9 100644
--- a/gtk/export_object_http.c
+++ b/gtk/export_object_http.c
@@ -50,9 +50,10 @@ eo_http_packet(void *tapdata, packet_info *pinfo, epan_dissect_t *edt _U_,
 	const http_info_value_t *stat_info = data;
 	export_object_entry_t *entry;
 
-	if(stat_info->content_type) { /* We have new data waiting */
-		entry = g_malloc(sizeof(export_object_entry_t));
-
+	if(stat_info->content_type && /* We have data waiting for us */
+           g_ascii_strncasecmp(stat_info->content_type, "<NULL>", 6) != 0) {
+ 		entry = g_malloc(sizeof(export_object_entry_t));
+	
 		entry->pkt_num = pinfo->fd->num;
 		entry->hostname = stat_info->http_host;
 		entry->content_type = stat_info->content_type;