From ccf9128cdf80b6259be8a422269d56196461b7c5 Mon Sep 17 00:00:00 2001
From: stephena <stephena@8b62c5a3-ac7e-4cc8-8f21-d9a121418aba>
Date: Sun, 15 Apr 2012 21:39:15 +0000
Subject: [PATCH] A few more places where it makes sense to pre-allocate space
 for Arrays.

git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@2443 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
---
 src/common/Array.hxx       | 3 ++-
 src/emucore/FSNode.cxx     | 2 +-
 src/gui/BrowserDialog.cxx  | 1 +
 src/gui/LauncherDialog.cxx | 2 +-
 src/gui/RomAuditDialog.cxx | 1 +
 5 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/common/Array.hxx b/src/common/Array.hxx
index 691424432..6e55d5bd7 100644
--- a/src/common/Array.hxx
+++ b/src/common/Array.hxx
@@ -131,7 +131,8 @@ class Array
       return *this;
     }
 
-    unsigned int size() const { return _size; }
+    unsigned int size() const     { return _size;     }
+    unsigned int capacity() const { return _capacity; }
 
     void clear()
     {
diff --git a/src/emucore/FSNode.cxx b/src/emucore/FSNode.cxx
index 3ce917cc7..b88b5d088 100644
--- a/src/emucore/FSNode.cxx
+++ b/src/emucore/FSNode.cxx
@@ -72,11 +72,11 @@ bool FilesystemNode::getChildren(FSList& fslist, ListMode mode, bool hidden) con
     return false;
 
   AbstractFSList tmp;
+  tmp.reserve(fslist.capacity());
 
   if (!_realNode->getChildren(tmp, mode, hidden))
     return false;
 
-  fslist.clear();
   for (AbstractFSList::iterator i = tmp.begin(); i != tmp.end(); ++i)
   {
     fslist.push_back(FilesystemNode(*i));
diff --git a/src/gui/BrowserDialog.cxx b/src/gui/BrowserDialog.cxx
index 63bed1ece..09099303b 100644
--- a/src/gui/BrowserDialog.cxx
+++ b/src/gui/BrowserDialog.cxx
@@ -168,6 +168,7 @@ void BrowserDialog::updateListing()
 
   // Read in the data from the file system
   FSList content;
+  content.reserve(2048);
   _node.getChildren(content, _mode);
 
   // Add '[..]' to indicate previous folder
diff --git a/src/gui/LauncherDialog.cxx b/src/gui/LauncherDialog.cxx
index 38bb3bdd2..2de240e00 100644
--- a/src/gui/LauncherDialog.cxx
+++ b/src/gui/LauncherDialog.cxx
@@ -345,7 +345,7 @@ void LauncherDialog::loadDirListing()
     return;
 
   FSList files;
-  files.reserve(1024);
+  files.reserve(2048);
   myCurrentNode.getChildren(files, FilesystemNode::kListAll);
 
   // Add '[..]' to indicate previous folder
diff --git a/src/gui/RomAuditDialog.cxx b/src/gui/RomAuditDialog.cxx
index 4c140d99b..c4e2f46d5 100644
--- a/src/gui/RomAuditDialog.cxx
+++ b/src/gui/RomAuditDialog.cxx
@@ -127,6 +127,7 @@ void RomAuditDialog::auditRoms()
 
   FilesystemNode node(auditPath);
   FSList files;
+  files.reserve(2048);
   node.getChildren(files, FilesystemNode::kListFilesOnly);
 
   // Create a progress dialog box to show the progress of processing