Added an iterator to VgHashTable.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4407 a5019735-40e9-0310-863c-91ae7b9d1cf9

1 files changed, 8 insertions, 0 deletions

diff --git a/include/pub_tool_hashtable.h b/include/pub_tool_hashtable.h
index 165fefdf8..e5e52d98c 100644
--- a/include/pub_tool_hashtable.h
+++ b/include/pub_tool_hashtable.h
@@ -90,6 +90,14 @@ extern void VG_(HT_apply_to_all_nodes)( VgHashTable t,
                                         void (*f)(VgHashNode*, void*),
                                         void* d );
 
+/* Reset the table's iterator to point to the first element. */
+extern void VG_(HT_ResetIter) ( VgHashTable table );
+
+/* Return the element pointed to by the iterator and move on to the next
+   one.  Returns NULL if the last one has been passed, or if HT_ResetIter()
+   has not been called previously. */
+extern void* VG_(HT_Next) ( VgHashTable table );
+
 /* Destroy a table. */
 extern void VG_(HT_destruct) ( VgHashTable t );