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When downloading linuxq3apoint-1.32b-3.x86.run, skip writing the first 8251 bytes so a valid tar.gz file is written.

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This commit is contained in:
Jonathan Young 2014-05-13 14:24:23 +10:00
parent 8f22984ca1
commit 82854ab6e9
2 changed files with 24 additions and 2 deletions
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24
installwizard_patch.cpp
View file

@ -10,7 +10,8 @@ InstallWizard_Patch::InstallWizard_Patch(QWidget *parent) :
patchFile(NULL),
networkReply(NULL),
isCancelled(false),
isDownloadFinished(false)
isDownloadFinished(false),
usePatchFileBuffer(true)
{
ui->setupUi(this);
}
@ -24,6 +25,8 @@ InstallWizard_Patch::~InstallWizard_Patch()
void InstallWizard_Patch::initializePage()
{
isCancelled = isDownloadFinished = false;
patchFileBuffer.clear();
usePatchFileBuffer = true;
patchFile = new QTemporaryFile;
patchFile->open();
@ -57,7 +60,24 @@ void InstallWizard_Patch::cancel()
void InstallWizard_Patch::downloadRead()
{
patchFile->write(networkReply->readAll());
// Skip the first n bytes, giving a valid tar.gz file.
if (usePatchFileBuffer)
{
const qint64 bytesToSkip = 8251;
patchFileBuffer.append(networkReply->readAll());
if (patchFileBuffer.length() > bytesToSkip + 1)
{
patchFile->write(&patchFileBuffer.data()[bytesToSkip], patchFileBuffer.length() - bytesToSkip);
usePatchFileBuffer = false;
patchFileBuffer.clear();
}
}
else
{
patchFile->write(networkReply->readAll());
}
}
void InstallWizard_Patch::downloadProgress(qint64 bytesRead, qint64 bytesTotal)

2
installwizard_patch.h
View file

@ -33,6 +33,8 @@ private:
QNetworkReply *networkReply;
bool isCancelled;
bool isDownloadFinished;
bool usePatchFileBuffer;
QByteArray patchFileBuffer;
};
#endif // INSTALLWIZARD_PATCH_H