ちと最近時間を沢山かけて作っていたもの・・・

なんか、かなり時間がかかった。。゜(゜´Д｀゜)゜。
１週間くらい？
これを機に私はプログラマーとしての資質がない事を改めて認識・・・＿|￣|○

int WINAPI dkcRLEPackBitsEncode(DKC_RLE_PACKBITS_HEADER *p,BYTE *dest,size_t dsize,

                                const BYTE *src,size_t ssize,size_t a_count)

{  

  int r = edk_FAILED;

  size_t i = 0;

  int count = 0;

  size_t ti = 0;

  size_t break_c = 0;

  DKC_MEMORYSTREAM_ADAPTER ad,bd;

  BYTE buff[128 + 2];

  //size_t bc = 0;

  BYTE t;

  

  dkcMemoryStreamAdapterInit(&ad,dest,dsize);

  dkcMemoryStreamAdapterInit(&bd,buff,sizeof(buff));




#  define DKC_MSA_PUSH(a,d,s) dkcMemoryStreamAdapterPushBack(a,d,s)

  memset(p,0,sizeof(*p));

  if(dkcCheckOverflowULONG( (ULONG)dest,dsize )){

    return edk_FAILED;

  }

  if(dsize < ssize * 2){

    return edk_ArgumentException;

  }

  if(CHAR_MAX < a_count){

    return edk_ArgumentException;

  }
  for(;;){

    count = 1;

    

    t = src[i];

    ti = i;

    i++;

    for(;;){

      

      if(t != src[i]){

        break;

      }

      

      count++;

      if(count >= -CHAR_MIN){

        break;

      }

      i++;

      if(!(i < ssize)){

        r = edk_SUCCEEDED;

        break;

      }

    }
    if((size_t)count >= a_count){

      dkcMemoryStreamAdapterPushBackMacro(char,&ad,-count);

      dkcMemoryStreamAdapterPushBackMacro(BYTE,&ad,t);

    }else{

      i = ti;

      count = 0;

      break_c = 1;

      if(i != 0){

        t = src[i - 1];

      }else{

        t = (BYTE)(src[i] + 1);

      }


      for(;;){

        if(t == src[i]){

          if(1 == break_c){

            ti = i - 1;

          }

          break_c++;

          if(break_c >= a_count){

            

            count -= i - ti;

            dkcMemoryStreamAdapterPopBack(&bd,i - ti);

            i = ti;

            break;

          }

          

        }else{

          break_c = 1;

          

        }

        dkcMemoryStreamAdapterPushBackMacro(BYTE,&bd,src[i]);
        count++;

        if(count >= CHAR_MAX){

          break;

        }

        i++;

        if(!(i < ssize)){

          r = edk_SUCCEEDED;

          break;

        }

        

        t = src[i - 1];

      }

      dkcMemoryStreamAdapterPushBackMacro(BYTE,&ad,count);

      

      DKC_MSA_PUSH(&ad,

        dkcMemoryStreamAdapterPointer(&bd),dkcMemoryStreamAdapterGetOffset(&bd)

      );

    }

    

    bd.mNowOffset = 0;
    if(!(i < ssize)){

      r = edk_SUCCEEDED;

      break;

    }

  }//end of for
#  undef DKC_MSA_PUSH

  p->mCompressedSize = dkcMemoryStreamAdapterGetOffset(&ad);

  p->mOriginSize = ssize;

  return r;

}