ObjFW  Diff

			    entry: (OFTarArchiveEntry *)entry
{
	self = [super init];

	@try {
		_entry = [entry copy];
		_stream = [stream retain];
		_toRead = entry.uncompressedSize;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

		[(OFSeekableStream *)_stream
		    seekToOffset: (OFStreamOffset)_toRead
			  whence: OFSeekCurrent];

		_toRead = 0;

		size = _entry.uncompressedSize;

		if (size % 512 != 0)
			[(OFSeekableStream *)_stream
			    seekToOffset: 512 - (size % 512)
				  whence: OFSeekCurrent];
	} else {
		char buffer[512];
		unsigned long long size;

		while (_toRead >= 512) {
			[_stream readIntoBuffer: buffer exactLength: 512];
			_toRead -= 512;
		}

		if (_toRead > 0) {
			[_stream readIntoBuffer: buffer
				    exactLength: (size_t)_toRead];
			_toRead = 0;
		}

		size = _entry.uncompressedSize;

		if (size % 512 != 0)
			[_stream readIntoBuffer: buffer
				    exactLength: (size_t)(512 - (size % 512))];
	}

	_skipped = true;
}
@end

@implementation OFTarArchiveFileWriteStream
- (instancetype)of_initWithStream: (OFStream *)stream
			    entry: (OFTarArchiveEntry *)entry
{
	self = [super init];

	@try {
		_entry = [entry copy];
		_stream = [stream retain];
		_toWrite = entry.uncompressedSize;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

	if (_stream == nil)
		@throw [OFNotOpenException exceptionWithObject: self];

	if (_toWrite > 0)
		@throw [OFTruncatedDataException exception];

	remainder = 512 - _entry.uncompressedSize % 512;

	if (remainder != 512) {
		bool didBufferWrites = _stream.buffersWrites;

		_stream.buffersWrites = true;

		while (remainder--)