diff options
| -rw-r--r-- | src/corelib/io/qfsfileengine_win.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp index 689251a6c7..391fbcc519 100644 --- a/src/corelib/io/qfsfileengine_win.cpp +++ b/src/corelib/io/qfsfileengine_win.cpp @@ -423,15 +423,13 @@ qint64 QFSFileEnginePrivate::nativeWrite(const char *data, qint64 len) if (fileHandle == INVALID_HANDLE_VALUE) return -1; - qint64 bytesToWrite = DWORD(len); // <- lossy + qint64 bytesToWrite = len; // Writing on Windows fails with ERROR_NO_SYSTEM_RESOURCES when // the chunks are too large, so we limit the block size to 32MB. - static const DWORD maxBlockSize = 32 * 1024 * 1024; - + const DWORD blockSize = DWORD(qMin(bytesToWrite, qint64(32 * 1024 * 1024))); qint64 totalWritten = 0; do { - DWORD blockSize = qMin<DWORD>(bytesToWrite, maxBlockSize); DWORD bytesWritten; if (!WriteFile(fileHandle, data + totalWritten, blockSize, &bytesWritten, NULL)) { if (totalWritten == 0) { |