Merge branch '4.6'

Conflicts:
	src/corelib/io/qfsfileengine.cpp
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	src/opengl/opengl.pro

2 files changed, 14 insertions, 5 deletions

diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp
index 59db9a6..bac508a 100644
--- a/src/corelib/io/qdir.cpp
+++ b/src/corelib/io/qdir.cpp
@@ -1125,10 +1125,11 @@ QDir::Filters QDir::filter() const
                        execute access. The Executable value needs to be
                        combined with Dirs or Files.
     \value Modified  Only list files that have been modified (ignored
-                     under Unix).
-    \value Hidden  List hidden files (on Unix, files starting with a .).
+                     on Unix).
+    \value Hidden  List hidden files (on Unix, files starting with a ".").
     \value System  List system files (on Unix, FIFOs, sockets and
-                   device files)
+                   device files are included; on Windows, \c {.lnk}
+                   files are included)
     \value CaseSensitive  The filter should be case sensitive.
 
     \omitvalue DefaultFilter
diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp
index 0e5a2de..8dcccb4 100644
--- a/src/corelib/io/qiodevice.cpp
+++ b/src/corelib/io/qiodevice.cpp
@@ -965,7 +965,15 @@ QByteArray QIODevice::readAll()
 
     QByteArray result;
     qint64 readBytes = 0;
-    if (d->isSequential() || (readBytes = size()) == 0) {
+
+    // flush internal read buffer
+    if (!(d->openMode & Text) && !d->buffer.isEmpty()) {
+        result = d->buffer.readAll();
+        readBytes = result.size();
+    }
+
+    qint64 theSize;
+    if (d->isSequential() || (theSize = size()) == 0) {
         // Size is unknown, read incrementally.
         qint64 readResult;
         do {
@@ -977,7 +985,7 @@ QByteArray QIODevice::readAll()
     } else {
         // Read it all in one go.
         // If resize fails, don't read anything.
-        result.resize(int(readBytes - d->pos));
+        result.resize(int(theSize - d->pos));
         readBytes = read(result.data(), result.size());
     }