c++ - Problem in erasing element in list - 


struct scheduletaskinfo { unsigned int ntaskid;    __time64_t timestarttime; __time64_t timeendtime;  };  typedef list<scheduletaskinfo> schedulerlist;     schedulerlist::iterator itrschedulerlist;     for(itrschedulerlist = gschedulerlist.begin();itrschedulerlist != gschedulerlist.end();itrschedulerlist++) {     systemtime st;     getlocaltime(&st);      ctime ctsyatemtime(st);      if (itrschedulerlist->timeendtime == ctsyatemtime.gettime())     {          itrschedulerlist = gschedulerlist.erase(itrschedulerlist);               }  }

i doing crashing in loop.i think due erase(); doing wrong here??please suggest me on

you should write itrschedulerlist++ in else-block as:

for(itrschedulerlist = gschedulerlist.begin();                      itrschedulerlist !=gschedulerlist.end();) {     systemtime st;     getlocaltime(&st);      ctime ctsyatemtime(st);      if (itrschedulerlist->timeendtime == ctsyatemtime.gettime())     {          itrschedulerlist = gschedulerlist.erase(itrschedulerlist);               }     else         itrschedulerlist++; }

this ensures don't increment beyond end of list. erase() might return end iterator incremented in for loop in version.


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