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  1. #1
    Join Date
    Apr 2009
    Posts
    116

    String Format Crash

    I have question on string formatting.
    It will crash at the line strCombine.Format("%ld000%s", a, "+0800"); when running on Microsoft visual studio 2010 but not in visual studio 2003 by using the exact same code.
    Any idea why?
    Code Snippet:
    Code:
    CString strCombine="";
    time_t a = 150519836000;
    strCombine.Format("%ld000%s", a, "+0800"); //crash at this line at VS2010 but not at VS2003
    However if change to code as below, it will not crash at VS2010 anymore. Just curious why?
    Code:
    CString strCombine="";
    time_t a = 150519836000;
    strCombine.Format("%ld000", a); //after changing this line, it no longer crash anymore
    strCombine= strCombine + "+0800";

  2. #2
    GCDEF is offline Elite Member Power Poster
    Join Date
    Nov 2003
    Location
    Florida
    Posts
    12,635

    Re: String Format Crash

    Quote Originally Posted by PHChang View Post
    I have question on string formatting.
    It will crash at the line strCombine.Format("%ld000%s", a, "+0800"); when running on Microsoft visual studio 2010 but not in visual studio 2003 by using the exact same code.
    Any idea why?
    Code Snippet:
    Code:
    CString strCombine="";
    time_t a = 150519836000;
    strCombine.Format("%ld000%s", a, "+0800"); //crash at this line at VS2010 but not at VS2003
    However if change to code as below, it will not crash at VS2010 anymore. Just curious why?
    Code:
    CString strCombine="";
    time_t a = 150519836000;
    strCombine.Format("%ld000", a); //after changing this line, it no longer crash anymore
    strCombine= strCombine + "+0800";
    Using lld instead of ld in your format string fixes it. I'm not sure what changed between versions though.

  3. #3
    Join Date
    Apr 2009
    Posts
    116

    Re: String Format Crash

    OK thanks for your help.

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