From fe1cbe9ca78619b54b08e4ec1155d7e6e4e0640a Mon Sep 17 00:00:00 2001
From: Laszlo Papp <lpapp@kde.org>
Date: Thu, 3 Oct 2013 23:17:34 +0100
Subject: Add qWarning when trying to read or write a closed device

Change-Id: Ifda057d122a30d88749c6401185457f1900a913b
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Richard J. Moore <rich@kde.org>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/corelib/io/qiodevice.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/corelib/io')

diff --git a/src/corelib/io/qiodevice.cpp b/src/corelib/io/qiodevice.cpp
index 8fb80123fa..a81b8580c4 100644
--- a/src/corelib/io/qiodevice.cpp
+++ b/src/corelib/io/qiodevice.cpp
@@ -99,8 +99,10 @@ void debugBinaryString(const char *data, qint64 maxlen)
 #define CHECK_WRITABLE(function, returnType) \
    do { \
        if ((d->openMode & WriteOnly) == 0) { \
-           if (d->openMode == NotOpen) \
+           if (d->openMode == NotOpen) { \
+               qWarning("QIODevice::"#function": device not open"); \
                return returnType; \
+           } \
            qWarning("QIODevice::"#function": ReadOnly device"); \
            return returnType; \
        } \
@@ -109,8 +111,10 @@ void debugBinaryString(const char *data, qint64 maxlen)
 #define CHECK_READABLE(function, returnType) \
    do { \
        if ((d->openMode & ReadOnly) == 0) { \
-           if (d->openMode == NotOpen) \
+           if (d->openMode == NotOpen) { \
+               qWarning("QIODevice::"#function": device not open"); \
                return returnType; \
+           } \
            qWarning("QIODevice::"#function": WriteOnly device"); \
            return returnType; \
        } \
-- 
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