xxxxxx

typedef struct

{

  int refs;       // reference count

  int count_1fen;

  int count_2fen;

  int count_5fen;

} bank_data_s_type

 

bank_data_s_type* PiggyBank_New( )

{

bank_data_s_type *pNew = MALLOC(sizeof(bank_data_s_type));

  if (pNew != NULL)

      MEMSET(pNew,0x00, sizeof(bank_data_s_type));

  PiggyBank_AddRefs(pNew);

  return pNew;

}

 

static void PiggyBank_Free(bank_data_s_type **ppData)

{

  if (NULL == ppData)

      return;

  FREE(*ppData);

  *ppData = NULL;

}

 

int PiggyBank_AddRefs(bank_data_s_type *pData)

{

  return pData->refs++;

}

 

int PiggyBank_Release(bank_data_s_type *pData)

{

  if (--pData->refs > 0)

      return pData->refs;

  PiggyBank_Free(&pData);

  return 0;

}

 

void PiggyBank_Input(bank_data_s_type *pData, int type)

{

  … …

}

 

void PiggyBank_Output(bank_data_s_type *pData, int type)

{

  … …

}

 

int PiggyBank_GetTotal(bank_data_s_type *pData, int type)

{

 … …

}

 

///////////////////////////////////////////////////////////

 

enum

{

COIN_TYPE_NONE,

   COIN_TYPE_1FEN,

   COIN_TYPE_2FEN,

   COIN_TYPE_5FEN

};

 

typedef struct PiggyBank PiggyBank;

 

PiggyBank* PiggyBank_New( );

int PiggyBank_AddRefs(PiggyBank *pPiggyBank);

int PiggyBank_Release(PiggyBank *pPiggyBank);

void PiggyBank_Input(PiggyBank *pPiggyBank, int type);

void PiggyBank_Output(PiggyBank *pPiggyBank, int type);

int PiggyBank_GetTotal(PiggyBank *pPiggyBank, int type);

   

储蓄罐封装形式四：PiggyBank.c

struct PiggyBank

{

   int refs;       // reference count

   int count_1fen;

   int count_2fen;

   int count_5fen;

};

 

PiggyBank* PiggyBank_New( )

{

PiggyBank *pNew = MALLOC(sizeof(PiggyBank));

   if (pNew != NULL)

      MEMSET(pNew, 0x00, sizeof(PiggyBank));

   PiggyBank_AddRefs(pNew);

   return pNew;

}

 

static void PiggyBank_Free(PiggyBank **ppPiggyBank)

{

   … …

}

 

int PiggyBank_AddRefs(PiggyBank *pPiggyBank)

{

   … …

}

 

int PiggyBank_Release(PiggyBank *pPiggyBank)

{

   … …

}

 

void PiggyBank_Input(PiggyBank *pPiggyBank, int type)

{

   … …

}

void PiggyBank_Output(PiggyBank *pPiggyBank, int type)

{

   … …

}

 

int PiggyBank_GetTotal(PiggyBank *pPiggyBank, int type)

{

  … …

}