接收串口数据运行多次后内存溢出！求解，功能代码如下

Fi_Sun · 发表于 2016-6-29 13:19:55

本帖最后由 Fi_Sun 于 2016-6-29 13:21 编辑

现象是接收到第一次数据的时候内存不明显变化，第二次接收数据的时候，内存变为占用1%,第三次变为2%以此类推下去，结果连续接收到一定次数后，内存就占用满了，程序死机，该段程序在UCOSII里面运行的！有哪位同志遇到这样的问题希望能给个解决问题的思路，谢谢！
[mw_shl_code=c,true]const unsigned char *month[12]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
void RcvDate()
{
      char t,*buffer,*time,*first,*second,*value1,*value2,m[3];
            USART1_GetRcvData(buffer, USART1_GetRcvNum());
      USART1_Clear();
      buffer =  mymalloc(600);
            printf("\r\n½óêÕμ½μÄêy¾YÎa￡o%s\r\n\r\nêy¾Y3¤¶èÎa￡o%d\r\n",buffer,strlen(buffer));
if((NULL != strstr(buffer, "HTTP/1.1 200 OK")))//
            {
               time = mymalloc(30);
                     time = (char *)(strstr(buffer, "Date: ")+strlen("Date: "));
                     get_info.w_year = (time[12]-0x30)*1000+(time[13]-0x30)*100+(time[14]-0x30)*10+(time[15]-0x30);
                     for(t = 0;t<3;t++)//Ñ-»·¶áè¡3öÔÂ·YμÄDÅÏ￠
                     {
                                    m[t] = time[8+t];//×a′æèëÖD¼ä±äá¿
                     }
                     for(t = 0;t<12;t++)//óëêy×éÖDμÄêy¾YÑ-»·Æ￥Åä
                     {
                              if((NULL != strstr(month[t],m)))//èç1ûÆ￥Åä3é1|
                                    {
                                             break;//ìø3öÑ-»·
                                    }
                     }
                     t = t+1;//μÃμ½μÄêy¾Y¼ó1ÔòμÃμ½êμ¼êμÄÔÂ·Yêy¾Y
                     printf("\r\n½óêÕμ½μÄÔÂ·YÎa￡o%d\r\n\r\n",t);
               get_info.w_month = t;//½«ÔÂ·Yêy¾Y′æèë½á11ìå±äá¿
                     get_info.w_date= (time[5]-0x30)*10+(time[6]-0x30);
                     get_info.hour= (time[17]-0x30)*10+(time[18]-0x30);
                     get_info.min= (time[20]-0x30)*10+(time[21]-0x30);
                     get_info.sec= (time[23]-0x30)*10+(time[24]-0x30);
                     time[29] = '\0';
                     printf("\r\n½óêÕμ½μÄê±¼äêy¾Y￡o%s\r\n\r\n",time);
                     first = (char *)(strstr((time+30), "\"value\"\:")+strlen("\"value\"\:"));
                     printf("\r\n½óêÕμ½μÄê±¼äêy¾Y￡o%s\r\n\r\n",first);
                     value1 = mymalloc(10);
                     for(t = 0;*first!='}';t++)//êy×ÖÅD¶Ï} èç1ûêÇ×Ö·û′®ÅD¶Ï¡°
                     {
      value1[t] =*first;
      first++;
                     }
                     value1[++t] = '\0';
                     get_info.value1 = atoi(value1);//32Î»3¤ÕûDíêy¾Y
                     printf("\r\n½óêÕμ½μÄêyÖμÎa￡o%d\r\n\r\n",get_info.value1);
                     first = (char *)(first+9);//êy×Ö¼ó9  ×Ö·û′®¼ó10
                     for(t = 0;*first!='"';t++)
                     {
      get_info.id1[t] =*first;
      first++;
                     }
                     get_info.id1[++t] = '\0';
                     printf("\r\n½óêÕμ½μÄIDoÅÎa￡o%s\r\n\r\n", get_info.id1);
                     second = (char *)(strstr((first+10), "\"value\"\:")+strlen("\"value\"\:"));//×Ö·ûààDí ¼ó1 ·Ç×Ö·ûààDí2»¼ó
                     value2 = mymalloc(10);
                     for(t = 0;*second!='}';t++)//êy×ÖÅD¶Ï} èç1ûêÇ×Ö·û′®ÅD¶Ï¡°
                     {
      value2[t] =*second;
      second++;
                     }
                     value2[++t] = '\0';
                     get_info.value2 = atoi(value2);//32Î»3¤ÕûDíêy¾Y
                     printf("\r\n½óêÕμ½μÄêyÖμÎa￡o%d\r\n\r\n",get_info.value2);
                     second = (char *)(second+9);//êy×Ö¼ó9 ×Ö·û′®¼ó10
                     for(t = 0;*second!='"';t++)
                     {
      get_info.id2[t] =*second;
      second++;
                     }
                     get_info.id2[++t] = '\0';
                     printf("\r\n½óêÕμ½μÄIDoÅÎa￡o%s\r\n\r\n", get_info.id2);
            }
            myfree(time);
            myfree(first);
            myfree(second);
            myfree(value1);
            myfree(value2);
            myfree(buffer);
            clear_buffer(buffer);
}
[/mw_shl_code]