windowout.h

经过项目量产验证的代码.开发环境是sparc+vxworks. 这个LZMA是专门为sparc做的优化压缩,性能是最好的.

// Stream/WindowOut.h


#ifndef __STREAM_WINDOWOUT_H
#define __STREAM_WINDOWOUT_H

#include "Types.h"

class COut
{
  BYTE  *m_Buffer;
public:

  void Init(BYTE *buffer)
  {
    m_Buffer = buffer;
  }
 
 inline void CopyBackBlock(UINT32 distance, int len)
  {
#if 1    
    distance++;
    for(int i = 0; i < len; i++)
      m_Buffer[i] = m_Buffer[i - distance];
    m_Buffer += len;
#else
  BYTE  *tmpBuffer2 = m_Buffer - distance - 1;
    for(register int i = 0; i < len; i++)
	    *m_Buffer++ = *tmpBuffer2++;

#endif
  }

 inline void PutOneByte(BYTE byte)
  {
    *m_Buffer++ = byte;
  }

 inline BYTE GetOneByte(UINT32 index) const
  {
    return m_Buffer[index];
  }
};

#endif