ObjFW  Diff

	}

	return self;
}

- (void)dealloc
{
	OFFreeMemory(_readBufferMemory);
	OFFreeMemory(_writeBuffer);

	[super dealloc];
}

- (bool)lowlevelIsAtEndOfStream
{
	OF_UNRECOGNIZED_SELECTOR

			bytesRead = [self
			    lowlevelReadIntoBuffer: tmp
					    length: MIN_READ_SIZE];

			if (bytesRead > length) {
				memcpy(buffer, tmp, length);

				readBuffer = OFAllocMemory(bytesRead - length,
				    1);
				memcpy(readBuffer, tmp + length,
				    bytesRead - length);

				_readBuffer = _readBufferMemory = readBuffer;
				_readBufferLength = bytesRead - length;

				return length;
			} else {
				memcpy(buffer, tmp, bytesRead);
				return bytesRead;
			}
		}

		return [self lowlevelReadIntoBuffer: buffer length: length];
	}

	if (length >= _readBufferLength) {
		size_t ret = _readBufferLength;
		memcpy(buffer, _readBuffer, _readBufferLength);

		OFFreeMemory(_readBufferMemory);
		_readBuffer = _readBufferMemory = NULL;
		_readBufferLength = 0;

		return ret;
	} else {
		memcpy(buffer, _readBuffer, length);

{
	OFData *ret;
	char *buffer;

	if OF_UNLIKELY (count > SIZE_MAX / itemSize)
		@throw [OFOutOfRangeException exception];

	buffer = OFAllocMemory(count, itemSize);
	@try {
		[self readIntoBuffer: buffer exactLength: count * itemSize];
		ret = [OFData dataWithItemsNoCopy: buffer
					    count: count
					 itemSize: itemSize
				     freeWhenDone: true];
	} @catch (id e) {
		OFFreeMemory(buffer);
		@throw e;
	}

	return ret;
}

- (OFData *)readDataUntilEndOfStream
{
	OFMutableData *data = [OFMutableData data];
	size_t pageSize = [OFSystemInfo pageSize];
	char *buffer = OFAllocMemory(1, pageSize);

	@try {
		while (!self.atEndOfStream) {
			size_t length =
			    [self readIntoBuffer: buffer length: pageSize];
			[data addItems: buffer count: length];
		}
	} @finally {
		OFFreeMemory(buffer);
	}

	[data makeImmutable];
	return data;
}

- (OFString *)readStringWithLength: (size_t)length
{
	return [self readStringWithLength: length
				 encoding: OFStringEncodingUTF8];
}

- (OFString *)readStringWithLength: (size_t)length
			  encoding: (OFStringEncoding)encoding
{
	OFString *ret;
	char *buffer = OFAllocMemory(length + 1, 1);
	buffer[length] = 0;

	@try {
		[self readIntoBuffer: buffer exactLength: length];
		ret = [OFString stringWithCString: buffer encoding: encoding];
	} @finally {
		OFFreeMemory(buffer);
	}

	return ret;
}

- (OFString *)tryReadLineWithEncoding: (OFStringEncoding)encoding
{

				return ret;
			}
		}
	}

	/* Read and see if we got a newline or \0 */
	pageSize = [OFSystemInfo pageSize];
	buffer = OFAllocMemory(1, pageSize);

	@try {
		if ([self lowlevelIsAtEndOfStream]) {
			size_t retLength;

			if (_readBuffer == NULL) {
				_waitingForDelimiter = false;
				return nil;
			}

			retLength = _readBufferLength;

			if (retLength > 0 && _readBuffer[retLength - 1] == '\r')
				retLength--;

			ret = [OFString stringWithCString: _readBuffer
						 encoding: encoding
						   length: retLength];

			OFFreeMemory(_readBufferMemory);
			_readBuffer = _readBufferMemory = NULL;
			_readBufferLength = 0;

			_waitingForDelimiter = false;
			return ret;
		}

		bufferLength = [self lowlevelReadIntoBuffer: buffer
						     length: pageSize];

		/* Look if there's a newline or \0 */
		for (size_t i = 0; i < bufferLength; i++) {
			if OF_UNLIKELY (buffer[i] == '\n' ||
			    buffer[i] == '\0') {
				size_t retLength = _readBufferLength + i;
				char *retCString = OFAllocMemory(retLength, 1);

				if (_readBuffer != NULL)
					memcpy(retCString, _readBuffer,
					    _readBufferLength);
				memcpy(retCString + _readBufferLength,
				    buffer, i);

						       length: retLength];
				} @catch (id e) {
					if (bufferLength > 0) {
						/*
						 * Append data to _readBuffer
						 * to prevent loss of data.
						 */
						readBuffer = OFAllocMemory(
						    _readBufferLength +
						    bufferLength, 1);

						memcpy(readBuffer, _readBuffer,
						    _readBufferLength);
						memcpy(readBuffer +
						    _readBufferLength,
						    buffer, bufferLength);

						OFFreeMemory(_readBufferMemory);
						_readBuffer = readBuffer;
						_readBufferMemory = readBuffer;
						_readBufferLength +=
						    bufferLength;
					}

					@throw e;
				} @finally {
					OFFreeMemory(retCString);
				}

				readBuffer = OFAllocMemory(bufferLength - i - 1,
				    1);
				if (readBuffer != NULL)
					memcpy(readBuffer, buffer + i + 1,
					    bufferLength - i - 1);

				OFFreeMemory(_readBufferMemory);
				_readBuffer = _readBufferMemory = readBuffer;
				_readBufferLength = bufferLength - i - 1;

				_waitingForDelimiter = false;
				return ret;
			}
		}

		/* There was no newline or \0 */
		if (bufferLength > 0) {
			readBuffer = OFAllocMemory(
			    _readBufferLength + bufferLength, 1);


			memcpy(readBuffer, _readBuffer, _readBufferLength);
			memcpy(readBuffer + _readBufferLength,
			    buffer, bufferLength);

			OFFreeMemory(_readBufferMemory);
			_readBuffer = _readBufferMemory = readBuffer;
			_readBufferLength += bufferLength;
		}
	} @finally {
		OFFreeMemory(buffer);
	}

	_waitingForDelimiter = true;
	return nil;
}

- (OFString *)readLine

				return ret;
			}
		}
	}

	/* Read and see if we got a delimiter or \0 */
	pageSize = [OFSystemInfo pageSize];
	buffer = OFAllocMemory(1, pageSize);

	@try {
		if ([self lowlevelIsAtEndOfStream]) {
			if (_readBuffer == NULL) {
				_waitingForDelimiter = false;
				return nil;
			}

			ret = [OFString stringWithCString: _readBuffer
						 encoding: encoding
						   length: _readBufferLength];

			OFFreeMemory(_readBufferMemory);
			_readBuffer = _readBufferMemory = NULL;
			_readBufferLength = 0;

			_waitingForDelimiter = false;
			return ret;
		}

				char *retCString;

				if (buffer[i] == '\0')
					delimiterLength = 1;

				retLength = _readBufferLength + i + 1 -
				    delimiterLength;
				retCString = OFAllocMemory(retLength, 1);

				if (_readBuffer != NULL &&
				    _readBufferLength <= retLength)
					memcpy(retCString, _readBuffer,
					    _readBufferLength);
				else if (_readBuffer != NULL)
					memcpy(retCString, _readBuffer,

						       length: retLength];
				} @catch (id e) {
					if (bufferLength > 0) {
						/*
						 * Append data to _readBuffer
						 * to prevent loss of data.
						 */
						readBuffer = OFAllocMemory(
						    _readBufferLength +
						    bufferLength, 1);

						memcpy(readBuffer, _readBuffer,
						    _readBufferLength);
						memcpy(readBuffer +
						    _readBufferLength,
						    buffer, bufferLength);

						OFFreeMemory(_readBufferMemory);
						_readBuffer = readBuffer;
						_readBufferMemory = readBuffer;
						_readBufferLength +=
						    bufferLength;
					}

					@throw e;
				} @finally {
					OFFreeMemory(retCString);
				}

				readBuffer = OFAllocMemory(bufferLength - i - 1,
				    1);
				if (readBuffer != NULL)
					memcpy(readBuffer, buffer + i + 1,
					    bufferLength - i - 1);

				OFFreeMemory(_readBufferMemory);
				_readBuffer = _readBufferMemory = readBuffer;
				_readBufferLength = bufferLength - i - 1;

				_waitingForDelimiter = false;
				return ret;
			}
		}

		/* Neither the delimiter nor \0 was found */
		if (bufferLength > 0) {
			readBuffer = OFAllocMemory(
			    _readBufferLength + bufferLength, 1);


			memcpy(readBuffer, _readBuffer, _readBufferLength);
			memcpy(readBuffer + _readBufferLength,
			    buffer, bufferLength);

			OFFreeMemory(_readBufferMemory);
			_readBuffer = _readBufferMemory = readBuffer;
			_readBufferLength += bufferLength;
		}
	} @finally {
		OFFreeMemory(buffer);
	}

	_waitingForDelimiter = true;
	return nil;
}

- (void)flushWriteBuffer
{
	if (_writeBuffer == NULL)
		return;

	[self lowlevelWriteBuffer: _writeBuffer length: _writeBufferLength];

	OFFreeMemory(_writeBuffer);
	_writeBuffer = NULL;
	_writeBufferLength = 0;
}

- (size_t)writeBuffer: (const void *)buffer
	       length: (size_t)length
{
	if (!_buffersWrites) {
		size_t bytesWritten = [self lowlevelWriteBuffer: buffer
							 length: length];

		if (_canBlock && bytesWritten < length)
			@throw [OFWriteFailedException
			    exceptionWithObject: self
				requestedLength: length
				   bytesWritten: bytesWritten
					  errNo: 0];

		return bytesWritten;
	} else {
		_writeBuffer = OFResizeMemory(_writeBuffer,
		    _writeBufferLength + length, 1);
		memcpy(_writeBuffer + _writeBufferLength, buffer, length);
		_writeBufferLength += length;

		return length;
	}
}

		@throw [OFOutOfRangeException exception];

	size = count * sizeof(uint16_t);

#ifdef OF_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	uint16_t *tmp = OFAllocMemory(count, sizeof(uint16_t));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP16(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeBigEndianInt32s: (const uint32_t *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(uint32_t))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(uint32_t);

#ifdef OF_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	uint32_t *tmp = OFAllocMemory(count, sizeof(uint32_t));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP32(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeBigEndianInt64s: (const uint64_t *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(uint64_t))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(uint64_t);

#ifdef OF_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	uint64_t *tmp = OFAllocMemory(count, sizeof(uint64_t));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP64(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeBigEndianFloats: (const float *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(float))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(float);

#ifdef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	float *tmp = OFAllocMemory(count, sizeof(float));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP_FLOAT(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeBigEndianDoubles: (const double *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(double))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(double);

#ifdef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	double *tmp = OFAllocMemory(count, sizeof(double));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP_DOUBLE(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (void)writeLittleEndianInt16: (uint16_t)int16

		@throw [OFOutOfRangeException exception];

	size = count * sizeof(uint16_t);

#ifndef OF_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	uint16_t *tmp = OFAllocMemory(count, sizeof(uint16_t));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP16(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeLittleEndianInt32s: (const uint32_t *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(uint32_t))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(uint32_t);

#ifndef OF_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	uint32_t *tmp = OFAllocMemory(count, sizeof(uint32_t));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP32(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeLittleEndianInt64s: (const uint64_t *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(uint64_t))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(uint64_t);

#ifndef OF_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	uint64_t *tmp = OFAllocMemory(count, sizeof(uint64_t));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP64(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeLittleEndianFloats: (const float *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(float))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(float);

#ifndef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	float *tmp = OFAllocMemory(count, sizeof(float));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP_FLOAT(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeLittleEndianDoubles: (const double *)buffer count: (size_t)count
{
	size_t size;

	if OF_UNLIKELY (count > SIZE_MAX / sizeof(double))
		@throw [OFOutOfRangeException exception];

	size = count * sizeof(double);

#ifndef OF_FLOAT_BIG_ENDIAN
	[self writeBuffer: buffer length: size];
#else
	double *tmp = OFAllocMemory(count, sizeof(double));

	@try {
		for (size_t i = 0; i < count; i++)
			tmp[i] = OF_BSWAP_DOUBLE(buffer[i]);

		[self writeBuffer: tmp length: size];
	} @finally {
		OFFreeMemory(tmp);
	}
#endif

	return size;
}

- (size_t)writeData: (OFData *)data

}

- (size_t)writeLine: (OFString *)string encoding: (OFStringEncoding)encoding
{
	size_t stringLength = [string cStringLengthWithEncoding: encoding];
	char *buffer;

	buffer = OFAllocMemory(stringLength + 1, 1);

	@try {
		memcpy(buffer, [string cStringWithEncoding: encoding],
		    stringLength);
		buffer[stringLength] = '\n';

		[self writeBuffer: buffer length: stringLength + 1];
	} @finally {
		OFFreeMemory(buffer);
	}

	return stringLength + 1;
}

- (size_t)writeFormat: (OFConstantString *)format, ...
{

- (void)unreadFromBuffer: (const void *)buffer length: (size_t)length
{
	char *readBuffer;

	if (length > SIZE_MAX - _readBufferLength)
		@throw [OFOutOfRangeException exception];

	readBuffer = OFAllocMemory(_readBufferLength + length, 1);
	memcpy(readBuffer, buffer, length);
	memcpy(readBuffer + length, _readBuffer, _readBufferLength);

	OFFreeMemory(_readBufferMemory);
	_readBuffer = _readBufferMemory = readBuffer;
	_readBufferLength += length;
}

- (void)close
{
	OFFreeMemory(_readBufferMemory);
	_readBuffer = _readBufferMemory = NULL;
	_readBufferLength = 0;

	OFFreeMemory(_writeBuffer);
	_writeBuffer = NULL;
	_writeBufferLength = 0;
	_buffersWrites = false;

	_waitingForDelimiter = false;
}
@end