[Boost-commit] svn:boost r54525 - trunk/boost/asio/detail

Subject: [Boost-commit] svn:boost r54525 - trunk/boost/asio/detail
From: chris_at_[hidden]
Date: 2009-06-30 04:19:57

Author: chris_kohlhoff
Date: 2009-06-30 04:19:56 EDT (Tue, 30 Jun 2009)
New Revision: 54525
URL: http://svn.boost.org/trac/boost/changeset/54525

Log:
Don't rehash if the number of buckets hasn't changed.

Text files modified: 
   trunk/boost/asio/detail/hash_map.hpp |     3 +++                                     
   1 files changed, 3 insertions(+), 0 deletions(-)

Modified: trunk/boost/asio/detail/hash_map.hpp
==============================================================================
--- trunk/boost/asio/detail/hash_map.hpp	(original)
+++ trunk/boost/asio/detail/hash_map.hpp	2009-06-30 04:19:56 EDT (Tue, 30 Jun 2009)
@@ -215,6 +215,9 @@
   // Re-initialise the hash from the values already contained in the list.
   void rehash(std::size_t num_buckets)
   {
+    if (num_buckets == buckets_.size())
+      return;
+
     iterator end = values_.end();
 
     // Update number of buckets and initialise all buckets to empty.