Merge remote-tracking branch 'origin/5.6' into dev

Conflicts:
	src/corelib/kernel/qcoreapplication.cpp
	src/corelib/thread/qthread_unix.cpp

Change-Id: Ia08d613c3f0bd08cb6dc3e3a57257207dfd4a099

1 files changed, 12 insertions, 4 deletions

diff --git a/src/gui/image/qppmhandler.cpp b/src/gui/image/qppmhandler.cpp
index f460431c2b..7f23656c02 100644
--- a/src/gui/image/qppmhandler.cpp
+++ b/src/gui/image/qppmhandler.cpp
@@ -46,13 +46,21 @@ QT_BEGIN_NAMESPACE
   PBM/PGM/PPM (ASCII and RAW) image read/write functions
  *****************************************************************************/
 
+static void discard_pbm_line(QIODevice *d)
+{
+    const int buflen = 100;
+    char buf[buflen];
+    int res = 0;
+    do {
+        res = d->readLine(buf, buflen);
+    } while (res > 0 && buf[res-1] != '\n');
+}
+
 static int read_pbm_int(QIODevice *d)
 {
     char c;
     int          val = -1;
     bool  digit;
-    const int buflen = 100;
-    char  buf[buflen];
     for (;;) {
         if (!d->getChar(&c))                // end of file
             break;
@@ -63,7 +71,7 @@ static int read_pbm_int(QIODevice *d)
                 continue;
             } else {
                 if (c == '#')                        // comment
-                    d->readLine(buf, buflen);
+                    discard_pbm_line(d);
                 break;
             }
         }
@@ -72,7 +80,7 @@ static int read_pbm_int(QIODevice *d)
         else if (isspace((uchar) c))
             continue;
         else if (c == '#')
-            (void)d->readLine(buf, buflen);
+            discard_pbm_line(d);
         else
             break;
     }