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Bugfix: Check that QRcode_encodeString didn't return NULL (error)

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Without this, any error will segfault Bitcoin-Qt
This commit is contained in:
Luke Dashjr 2012-04-14 21:00:27 -04:00
parent 6f6f524f1a
commit 2eb665c634
1 changed files with 5 additions and 0 deletions
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5
src/qt/qrcodedialog.cpp
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@ -41,6 +41,11 @@ void QRCodeDialog::genCode()
ui->lblQRCode->setText(""); ui->lblQRCode->setText("");
QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1); QRcode *code = QRcode_encodeString(uri.toUtf8().constData(), 0, QR_ECLEVEL_L, QR_MODE_8, 1);
if (!code)
{
ui->lblQRCode->setText(tr("Error encoding URI into QR Code."));
return;
}
myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32); myImage = QImage(code->width + 8, code->width + 8, QImage::Format_RGB32);
myImage.fill(0xffffff); myImage.fill(0xffffff);
unsigned char *p = code->data; unsigned char *p = code->data;