--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Compress/LZ/LZOutWindow.h Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,65 @@
+// LZOutWindow.h
+
+#ifndef __LZ_OUT_WINDOW_H
+#define __LZ_OUT_WINDOW_H
+
+#include "../../IStream.h"
+#include "../../Common/OutBuffer.h"
+
+#ifndef _NO_EXCEPTIONS
+typedef COutBufferException CLZOutWindowException;
+#endif
+
+class CLZOutWindow: public COutBuffer
+{
+public:
+ void Init(bool solid = false);
+
+ // distance >= 0, len > 0,
+ bool CopyBlock(UInt32 distance, UInt32 len)
+ {
+ UInt32 pos = _pos - distance - 1;
+ if (distance >= _pos)
+ {
+ if (!_overDict || distance >= _bufferSize)
+ return false;
+ pos += _bufferSize;
+ }
+ if (_limitPos - _pos > len && _bufferSize - pos > len)
+ {
+ const Byte *src = _buffer + pos;
+ Byte *dest = _buffer + _pos;
+ _pos += len;
+ do
+ *dest++ = *src++;
+ while(--len != 0);
+ }
+ else do
+ {
+ if (pos == _bufferSize)
+ pos = 0;
+ _buffer[_pos++] = _buffer[pos++];
+ if (_pos == _limitPos)
+ FlushWithCheck();
+ }
+ while(--len != 0);
+ return true;
+ }
+
+ void PutByte(Byte b)
+ {
+ _buffer[_pos++] = b;
+ if (_pos == _limitPos)
+ FlushWithCheck();
+ }
+
+ Byte GetByte(UInt32 distance) const
+ {
+ UInt32 pos = _pos - distance - 1;
+ if (pos >= _bufferSize)
+ pos += _bufferSize;
+ return _buffer[pos];
+ }
+};
+
+#endif