Merge commit 'origin/4.6' into 4.6

5 files changed, 20 insertions, 5 deletions

diff --git a/src/corelib/codecs/qtextcodec.h b/src/corelib/codecs/qtextcodec.h
index f831700..6170272 100644
--- a/src/corelib/codecs/qtextcodec.h
+++ b/src/corelib/codecs/qtextcodec.h
@@ -161,7 +161,7 @@ public:
     QByteArray fromUnicode(const QString& str);
     QByteArray fromUnicode(const QChar *uc, int len);
 #ifdef QT3_SUPPORT
-    QByteArray fromUnicode(const QString& uc, int& lenInOut);
+    QT3_SUPPORT QByteArray fromUnicode(const QString& uc, int& lenInOut);
 #endif
     bool hasFailure() const;
 private:
diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
index 37b0ea1..e4c4e3f 100644
--- a/src/corelib/io/qfsfileengine.cpp
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -144,7 +144,7 @@ QString QFSFileEnginePrivate::canonicalized(const QString &path)
         return path;
 #endif
     // Mac OS X 10.5.x doesn't support the realpath(X,0) extenstion we use here.
-#if (defined(Q_OS_UNIX) && !defined(Q_OS_MAC)) || defined(Q_OS_SYMBIAN)
+#if defined(Q_OS_LINIX) || defined(Q_OS_SYMBIAN)
     char *ret = realpath(path.toLocal8Bit().constData(), (char*)0);
     if (ret) {
         QString canonicalPath = QDir::cleanPath(QString::fromLocal8Bit(ret));
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index 37161bc..c78af3c 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -275,7 +275,7 @@ QProcessEnvironment &QProcessEnvironment::operator=(const QProcessEnvironment &o
 */
 bool QProcessEnvironment::operator==(const QProcessEnvironment &other) const
 {
-    return d->hash == other.d->hash;
+    return d == other.d || (d && other.d && d->hash == other.d->hash);
 }
 
 /*!
@@ -334,6 +334,7 @@ bool QProcessEnvironment::contains(const QString &name) const
 */
 void QProcessEnvironment::insert(const QString &name, const QString &value)
 {
+    // d detaches from null
     d->hash.insert(prepareName(name), prepareValue(value));
 }
 
diff --git a/src/corelib/kernel/qcore_unix.cpp b/src/corelib/kernel/qcore_unix.cpp
index 5885591..d0dc7be 100644
--- a/src/corelib/kernel/qcore_unix.cpp
+++ b/src/corelib/kernel/qcore_unix.cpp
@@ -129,7 +129,7 @@ static inline bool time_update(struct timeval *tv, const struct timeval &start,
     // clock source is monotonic, so we can recalculate how much timeout is left
     struct timeval now = qt_gettime();
     *tv = timeout + start - now;
-    return true;
+    return tv->tv_sec >= 0;
 }
 
 int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
@@ -154,7 +154,8 @@ int qt_safe_select(int nfds, fd_set *fdread, fd_set *fdwrite, fd_set *fdexcept,
 
         // recalculate the timeout
         if (!time_update(&timeout, start, *orig_timeout)) {
-            // clock reset, fake timeout error
+            // timeout during update
+            // or clock reset, fake timeout error
             return 0;
         }
     }
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index c6eef5e..c305341 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -509,7 +509,11 @@ LRESULT CALLBACK qt_GetMessageHook(int code, WPARAM wp, LPARAM lp)
             }
         }
     }
+#ifdef Q_OS_WINCE
+    return 0;
+#else
     return CallNextHookEx(0, code, wp, lp);
+#endif
 }
 
 static HWND qt_create_internal_window(const QEventDispatcherWin32 *eventDispatcher)
@@ -636,11 +640,13 @@ void QEventDispatcherWin32::createInternalHwnd()
         return;
     d->internalHwnd = qt_create_internal_window(this);
 
+#ifndef Q_OS_WINCE
     // setup GetMessage hook needed to drive our posted events
     d->getMessageHook = SetWindowsHookEx(WH_GETMESSAGE, (HOOKPROC) qt_GetMessageHook, NULL, GetCurrentThreadId());
     if (!d->getMessageHook) {
         qFatal("Qt: INTERNALL ERROR: failed to install GetMessage hook");
     }
+#endif
 
     // register all socket notifiers
     QList<int> sockets = (d->sn_read.keys().toSet()
@@ -731,6 +737,11 @@ bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
                 }
             }
             if (haveMessage) {
+#ifdef Q_OS_WINCE
+                // WinCE doesn't support hooks at all, so we have to call this by hand :(
+                (void) qt_GetMessageHook(0, PM_REMOVE, (LPARAM) &msg);
+#endif
+
                 if (d->internalHwnd == msg.hwnd && msg.message == WM_QT_SENDPOSTEDEVENTS) {
                     if (seenWM_QT_SENDPOSTEDEVENTS) {
                         needWM_QT_SENDPOSTEDEVENTS = true;
@@ -1065,9 +1076,11 @@ void QEventDispatcherWin32::closingDown()
     d->timerVec.clear();
     d->timerDict.clear();
 
+#ifndef Q_OS_WINCE
     if (d->getMessageHook)
         UnhookWindowsHookEx(d->getMessageHook);
     d->getMessageHook = 0;
+#endif
 }
 
 bool QEventDispatcherWin32::event(QEvent *e)