From 3254681a7d5950e53d4d1f5e0d5bd54a9e8117bf Mon Sep 17 00:00:00 2001
From: Ben Boeckel <mathstuf@gmail.com>
Date: Tue, 11 Mar 2014 13:24:44 -0400
Subject: [PATCH] SystemTools: Reserve memory in JoinPath
Change-Id: I50bab3aa8ea1d95dce5220d92aaad90916bf33da
---
SystemTools.cxx | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/SystemTools.cxx b/SystemTools.cxx
index bef8d846..e657f690 100644
--- a/SystemTools.cxx
+++ b/SystemTools.cxx
@@ -3563,6 +3563,13 @@ SystemTools
{
// Construct result in a single string.
kwsys_stl::string result;
+ size_t len = 0;
+ kwsys_stl::vector<kwsys_stl::string>::const_iterator i;
+ for(i = first; i != last; ++i)
+ {
+ len += 1 + i->size();
+ }
+ result.reserve(len);
// The first two components do not add a slash.
if(first != last)
--
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