From 63c002162bda57d0ec5faf108df63fd67ce7e089 Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
Date: Tue, 23 Feb 2010 20:44:10 +0100
Subject: use QList::reserve() as appropriate

---
 src/corelib/tools/qhash.h | 3 +++
 src/corelib/tools/qmap.h  | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
index f1030ae..3374c80 100644
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@@ -625,6 +625,7 @@ template <class Key, class T>
 Q_OUTOFLINE_TEMPLATE QList<Key> QHash<Key, T>::uniqueKeys() const
 {
     QList<Key> res;
+    res.reserve(size()); // May be too much, but assume short lifetime
     const_iterator i = begin();
     if (i != end()) {
         for (;;) {
@@ -644,6 +645,7 @@ template <class Key, class T>
 Q_OUTOFLINE_TEMPLATE QList<Key> QHash<Key, T>::keys() const
 {
     QList<Key> res;
+    res.reserve(size());
     const_iterator i = begin();
     while (i != end()) {
         res.append(i.key());
@@ -688,6 +690,7 @@ template <class Key, class T>
 Q_OUTOFLINE_TEMPLATE QList<T> QHash<Key, T>::values() const
 {
     QList<T> res;
+    res.reserve(size());
     const_iterator i = begin();
     while (i != end()) {
         res.append(i.value());
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index 2e21547..df0ae46 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -773,6 +773,7 @@ template <class Key, class T>
 Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::uniqueKeys() const
 {
     QList<Key> res;
+    res.reserve(size()); // May be too much, but assume short lifetime
     const_iterator i = begin();
     if (i != end()) {
         for (;;) {
@@ -792,6 +793,7 @@ template <class Key, class T>
 Q_OUTOFLINE_TEMPLATE QList<Key> QMap<Key, T>::keys() const
 {
     QList<Key> res;
+    res.reserve(size());
     const_iterator i = begin();
     while (i != end()) {
         res.append(i.key());
@@ -836,6 +838,7 @@ template <class Key, class T>
 Q_OUTOFLINE_TEMPLATE QList<T> QMap<Key, T>::values() const
 {
     QList<T> res;
+    res.reserve(size());
     const_iterator i = begin();
     while (i != end()) {
         res.append(i.value());
-- 
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