CoreLib: use const (and const APIs) more

For CoW types const methods will be called.

Mark store_persistent_indexes() as const,
because this method does not modify the object.

Change-Id: Ic867913b4fb5aaebfbaaffe1d3be45cf7b646403
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

3 files changed, 4 insertions, 4 deletions

diff --git a/src/corelib/kernel/qcoreapplication_win.cpp b/src/corelib/kernel/qcoreapplication_win.cpp
index 9cd8420a32..601733b939 100644
--- a/src/corelib/kernel/qcoreapplication_win.cpp
+++ b/src/corelib/kernel/qcoreapplication_win.cpp
@@ -59,12 +59,12 @@ int appCmdShow = 0;
 
 Q_CORE_EXPORT QString qAppFileName()
 {
-    return QFileInfo(QCoreApplication::arguments().first()).filePath();
+    return QFileInfo(QCoreApplication::arguments().constFirst()).filePath();
 }
 
 QString QCoreApplicationPrivate::appName() const
 {
-    return QFileInfo(QCoreApplication::arguments().first()).baseName();
+    return QFileInfo(QCoreApplication::arguments().constFirst()).baseName();
 }
 
 #else
diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
index 8c2b47dccb..8ca2ac1c39 100644
--- a/src/corelib/kernel/qeventdispatcher_glib.cpp
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -143,7 +143,7 @@ static gboolean timerSourceCheckHelper(GTimerSource *src)
         || (src->processEventsFlags & QEventLoop::X11ExcludeTimers))
         return false;
 
-    if (src->timerList.updateCurrentTime() < src->timerList.first()->timeout)
+    if (src->timerList.updateCurrentTime() < src->timerList.constFirst()->timeout)
         return false;
 
     return true;
diff --git a/src/corelib/kernel/qtimerinfo_unix.cpp b/src/corelib/kernel/qtimerinfo_unix.cpp
index 8f5e8c9523..56337bdb45 100644
--- a/src/corelib/kernel/qtimerinfo_unix.cpp
+++ b/src/corelib/kernel/qtimerinfo_unix.cpp
@@ -591,7 +591,7 @@ int QTimerInfoList::activateTimers()
         if (isEmpty())
             break;
 
-        QTimerInfo *currentTimerInfo = first();
+        QTimerInfo *currentTimerInfo = constFirst();
         if (currentTime < currentTimerInfo->timeout)
             break; // no timer has expired