ObjFW  Diff

- (void)lowlevelWriteBuffer: (const void *)buffer
		     length: (size_t)length
{
	if (_handle == OF_INVALID_FILE_HANDLE)
		@throw [OFNotOpenException exceptionWithObject: self];

#if defined(OF_WINDOWS)
	int bytesWritten;

	if (length > INT_MAX)
		@throw [OFOutOfRangeException exception];

	if (write(_handle, buffer, (int)length) != (int)length)
	if ((bytesWritten = write(_handle, buffer, (int)length)) < 0)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
						      bytesWritten: 0
							     errNo: errno];
#elif defined(OF_MORPHOS)
	LONG bytesWritten;

	if (length > LONG_MAX)
		@throw [OFOutOfRangeException exception];

	if (_handle->append) {
		if (Seek64(_handle->handle, 0, OFFSET_END) == -1)
			@throw [OFWriteFailedException
			    exceptionWithObject: self
				requestedLength: length
				   bytesWritten: 0
					  errNo: EIO];
	}

	if (Write(_handle->handle, (void *)buffer, length) != (LONG)length)
	if ((bytesWritten = Write(_handle->handle, (void *)buffer, length)) < 0)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
						      bytesWritten: 0
							     errNo: EIO];
#else
	ssize_t bytesWritten;

	if (length > SSIZE_MAX)
		@throw [OFOutOfRangeException exception];

	if (write(_handle, buffer, length) != (ssize_t)length)
	if ((bytesWritten = write(_handle, buffer, length)) < 0)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
						      bytesWritten: 0
							     errNo: errno];
#endif

	if ((size_t)bytesWritten != length)
		@throw [OFWriteFailedException exceptionWithObject: self
						   requestedLength: length
						      bytesWritten: bytesWritten
							     errNo: 0];
}

- (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset
			     whence: (int)whence
{
	of_offset_t ret;