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Merge pull request #10422 from huffman/fix/corrupt-ktx

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Fix possible corruption of ktx cache files
This commit is contained in:
Chris Collins 2017-05-10 10:39:54 -07:00 committed by GitHub
commit cd317dadaf
1 changed files with 7 additions and 5 deletions
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12
libraries/networking/src/FileCache.cpp
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@ -17,6 +17,7 @@
#include <unordered_set>
#include <QDir>
#include <QSaveFile>
#include <PathUtils.h>
@ -110,13 +111,14 @@ FilePointer FileCache::writeFile(const char* data, File::Metadata&& metadata) {
return file;
}
// write the new file
FILE* saveFile = fopen(filepath.c_str(), "wb");
if (saveFile != nullptr && fwrite(data, metadata.length, 1, saveFile) && fclose(saveFile) == 0) {
QSaveFile saveFile(QString::fromStdString(filepath));
if (saveFile.open(QIODevice::WriteOnly)
&& saveFile.write(data, metadata.length) == static_cast<qint64>(metadata.length)
&& saveFile.commit()) {
file = addFile(std::move(metadata), filepath);
} else {
qCWarning(file_cache, "[%s] Failed to write %s (%s)", _dirname.c_str(), metadata.key.c_str(), strerror(errno));
errno = 0;
qCWarning(file_cache, "[%s] Failed to write %s", _dirname.c_str(), metadata.key.c_str());
}
return file;