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Fix use of `sendfile()` on 32-bit systems

This commit is contained in:
Andrew J. Hesford 2023-04-06 11:33:41 -04:00
parent 4316dfd846
commit c9131ce6e7
1 changed files with 2 additions and 1 deletions
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3
io/copy.h
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@ -155,7 +155,8 @@ void CopyHelper<bufferSize>::callbackCopy(NativeFileStream &input, NativeFileStr
output.flush();
const auto totalBytes = static_cast<std::streamoff>(count);
while (count) {
const auto bytesCopied = ::sendfile64(output.fileDescriptor(), input.fileDescriptor(), nullptr, std::min(count, bufferSize));
const auto bytesToCopy = static_cast<std::size_t>(std::min(count, static_cast<std::uint64_t>(bufferSize)));
const auto bytesCopied = ::sendfile64(output.fileDescriptor(), input.fileDescriptor(), nullptr, bytesToCopy);
if (bytesCopied < 0) {
throw std::ios_base::failure(argsToString("sendfile64() failed: ", std::strerror(errno)));
}