[公告] modCalc.ref and cmdCommon.cpp bug fix

[ric2k1 (Ric)]

※ 引述《bnsblue (想當你的天空)》之銘言：
:    在使用modCalc.ref的時候
:    就是在結束的時候會詢問一個是否確定的問題
:    default是[No]
:    可是在這時候如果直接按enter會有如下的錯誤
:    terminate called after throwing an instance of 'std::out_of_range'
:    what():  basic_string::substr
:    Aborted
:    請問這要怎麼辦呢?

[Note: It is OK if you don't update this bug fix. We will not test this part]


Bug fix (cmdCommon.cpp):
=======================

[OLD]
     80    size_t s = ss.find_first_not_of(' ', 0);
     81    ss = ss.substr(s);
     82    if (myStrNCmp("Yes", ss, 1) == 0)
     83       return CMD_EXEC_QUIT;  // ready to quit
     84    return CMD_EXEC_DONE;     // not yet to quit

[NEW]
     80    size_t s = ss.find_first_not_of(' ', 0);
     81    if (s != string::npos) {
     82       ss = ss.substr(s);
     83       if (myStrNCmp("Yes", ss, 1) == 0)
     84          return CMD_EXEC_QUIT;  // ready to quit
     85    }
     86    return CMD_EXEC_DONE;     // not yet to quit


Please:

1. Add those two GREEN lines in your cmdCommon.cpp, or download hw3.tgz again.

2. Upload new modCalc.ref

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