Add wmem_map_steal

Mimic functionality of g_hash_table_steal

Change-Id: Iaf4aeef951b60934569143b2d119f782aeefe380
Reviewed-on: https://code.wireshark.org/review/20038
Reviewed-by: Michael Mann <mmann78@netscape.net>

1 files changed, 11 insertions, 0 deletions

diff --git a/epan/wmem/wmem_map.h b/epan/wmem/wmem_map.h
index 1ea4cf3350..8c3e90972d 100644
--- a/epan/wmem/wmem_map.h
+++ b/epan/wmem/wmem_map.h
@@ -120,6 +120,17 @@ WS_DLL_PUBLIC
 void *
 wmem_map_remove(wmem_map_t *map, const void *key);
 
+/** Remove a key and value from the map but does not destroy (free) them. If no
+ * value is stored at that key, nothing happens.
+ *
+ * @param map The map to remove from.
+ * @param key The key of the value to remove.
+ * @return TRUE if key is found FALSE if not.
+ */
+WS_DLL_PUBLIC
+gboolean
+wmem_map_steal(wmem_map_t *map, const void *key);
+
 /** Run a function against all key/value pairs in the map. The order
  * of the calls is unpredictable, since it is based on the internal
  * storage of data.