deque.lst

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C51 COMPILER V6.23a  DEQUE                                                                 05/22/2003 17:10:27 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE DEQUE
OBJECT MODULE PLACED IN deque.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\c51.exe deque.c DB OE SMALL ROM(LARGE) 

stmt level    source

   1          /*---------------------------------------------------------------
   2          filename: deque.c
   3          队列结构为顺序储存结构，
   4          算法采用"The art of computer programming"  P223.
   5          ----------------------------------------------------------------*/
   6          
   7          #include <string.h>
   8          #include "d:\design\deque.h"
   9          
  10          void DequeInit(struct Deque* p_deque)
  11          {
  12   1              if(!p_deque)    return;//NULL Pointer
  13   1              memset(p_deque->infobuf,0,SIZE*sizeof(unsigned char));
  14   1              p_deque->size=SIZE;
  15   1              p_deque->front=0;
  16   1              p_deque->back=0;
  17   1              return;
  18   1      }               
  19          
  20          BOOL InsertMsg(struct Deque* p_deque,unsigned char info)
  21          {
  22   1              if(!p_deque)                            return 0;//NULL Pointer
  23   1              if(p_deque->back==p_deque->size)        p_deque->back=1;
  24   1              else                                    p_deque->back++;
  25   1              if(p_deque->back==p_deque->front)
  26   1              {
  27   2                      if(p_deque->back==1)    p_deque->back=p_deque->size;
  28   2                      else                    p_deque->back--;
  29   2                      return 0;//OVERFLOW
  30   2              }
  31   1              *(p_deque->infobuf+p_deque->back-1)=info;
  32   1              return 1;
  33   1      }
  34          
  35          BOOL GetMessage(struct Deque* p_deque,unsigned char* p_info)
  36          {
  37   1              if(!p_deque||!p_info)                   return 0;//NULL Pointer
  38   1              if(p_deque->front==p_deque->back)       return 0;//UNDERFLOW
  39   1              if(p_deque->front==p_deque->size)       p_deque->front=1;
  40   1              else                                    p_deque->front++;
  41   1              *p_info=*(p_deque->infobuf+p_deque->front-1);
  42   1              return 1;
  43   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    324    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      10
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)