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Thread: qlist error

  1. #1
    Join Date
    Dec 2009
    Qt products
    Qt4 Qt/Embedded
    Unix/X11 Windows

    Wink qlist error


    I am doing following in the attached file 1.txt.

    a) read a list
    b) for each item in the list
    c) run an external process save it in A file
    d) read A file, save modification in B file
    e) thatz it

    and following error occurs.

    ASSERT failure in QList<T>:perator[]: "index out of range", file /opt/qtsdk-2009.02/qt/include/QtCore/qlist.h, line 403

    2.txt is one instance of file 1.txt ( no loop ) and it runs successfully.

    How is it possible to have the loop run successfully modifying the file.
    Please suggest with an example. That will help.

    PS: you will need file queue_output.txt in tmp folder to run this code.
    Attached Files Attached Files

  2. #2
    Join Date
    Jan 2006
    Thanked 1,005 Times in 913 Posts
    Qt products
    Unix/X11 Windows Symbian S60
    Wiki edits

    Default Re: qlist error

    The error is in here:
    Qt Code:
    1. while(!tFile->atEnd())
    2. {
    4. line = tFile->readLine();
    5. QStringList lineWithoutSlashAnne_01 = QString(line).split("\n");
    7. lineWithoutSlashAnne_02 = lineWithoutSlashAnne_01[i]; ///<- i is an iterator for queueList and not for the stringlist.
    8. /// And therfor as the error says: i is out of lineWithoutSlashAnne_01 range.
    9. if (lineWithoutSlashAnne_02.contains(QRegExp("^projects")))
    10. {
    11. lineWithoutSlashAnne_02.append(" "+projNm);
    12. // come a line back remove the project line and add this line
    13. qDebug() << "project " << lineWithoutSlashAnne_02;
    15. }
    16. out << lineWithoutSlashAnne_02 << endl;
    17. }
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    And I don't know what you are doing...

  3. #3
    Join Date
    Jan 2006
    Warsaw, Poland
    Thanked 5,012 Times in 4,791 Posts
    Qt products
    Qt3 Qt4 Qt5 Qt/Embedded
    Unix/X11 Windows Android Maemo/MeeGo
    Wiki edits

    Default Re: qlist error

    And I don't know what you are doing...
    He is starting multiple threads on the same subject which starts to annoy me.
    Your biological and technological distinctiveness will be added to our own. Resistance is futile.

    Please ask Qt related questions on the forum and not using private messages or visitor messages.

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