From d907f8979c6a5b26d265dea977b03631d7151773 Mon Sep 17 00:00:00 2001
From: Laszlo Papp <lpapp@kde.org>
Date: Wed, 7 Dec 2011 20:16:34 +0200
Subject: Extend the lengthCallback with proper error management and warning
 message

---
 src/decoders/qalflacaudiodecoder.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/decoders/qalflacaudiodecoder.cpp b/src/decoders/qalflacaudiodecoder.cpp
index 411134c..4be6377 100644
--- a/src/decoders/qalflacaudiodecoder.cpp
+++ b/src/decoders/qalflacaudiodecoder.cpp
@@ -109,7 +109,15 @@ QALFlacAudioDecoder::Private::lengthCallback(const FLAC__StreamDecoder *decoder,
 {
     Q_UNUSED(decoder)
 
-    *stream_length = reinterpret_cast<QALFlacAudioDecoder::Private*>(client_data)->file.size();
+    QFile &tmpFile = reinterpret_cast<QALFlacAudioDecoder::Private*>(client_data)->file;
+    tmpFile.unsetError();
+
+    *stream_length = tmpFile.size();
+
+    if (tmpFile.error() != QFile::NoError) {
+        qWarning() << Q_FUNC_INFO << "Failed to get the total length of the stream in bytes:" << tmpFile.errorString();
+        return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR;
+    }
 
     return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
 }
-- 
cgit v1.2.3