Write() [2/2]

override void System.IO.BufferedStream.Write ( ReadOnlySpan< byte > buffer )

inlinevirtual

Reimplemented from System.IO.Stream.

Definition at line 640 of file BufferedStream.cs.

    {
        EnsureNotClosed();
        EnsureCanWrite();
        if (_writePos == 0)
        {
            ClearReadBufferBeforeWrite();
        }
        int num;
        checked
        {
            num = _writePos + buffer.Length;
            if ((uint)num + buffer.Length < _bufferSize + _bufferSize)
            {
                int start = WriteToBuffer(buffer);
                if (_writePos >= _bufferSize)
                {
                    buffer = buffer.Slice(start);
                    _stream.Write(_buffer, 0, _writePos);
                    _writePos = 0;
                    start = WriteToBuffer(buffer);
                }
                return;
            }
        }
        if (_writePos > 0)
        {
            if (num <= _bufferSize + _bufferSize && num <= 81920)
            {
                EnsureShadowBufferAllocated();
                buffer.CopyTo(new Span<byte>(_buffer, _writePos, buffer.Length));
                _stream.Write(_buffer, 0, num);
                _writePos = 0;
                return;
            }
            _stream.Write(_buffer, 0, _writePos);
            _writePos = 0;
        }
        _stream.Write(buffer);
    }

References System.IO.BufferedStream._buffer, System.IO.BufferedStream._bufferSize, System.IO.BufferedStream._stream, System.IO.BufferedStream._writePos, System.buffer, System.IO.BufferedStream.ClearReadBufferBeforeWrite(), System.IO.BufferedStream.EnsureCanWrite(), System.IO.BufferedStream.EnsureNotClosed(), System.IO.BufferedStream.EnsureShadowBufferAllocated(), System.start, System.IO.Stream.Write(), and System.IO.BufferedStream.WriteToBuffer().