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  1. Qt
  2. QTBUG-72478

Documentation for qInstallMessageHandler is missing nullptr check

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P5: Not important
    • Resolution: Done
    • Affects Version/s: 5.10.1, 5.11
    • Fix Version/s: 5.12.1, 5.12.2
    • Component/s: Documentation
    • Labels:
      None
    • Platform/s:
      Linux/X11
    • Commits:
      3e4f8aa8f434d791b3dfe9450bad85b82406d4b3 (qt/qtbase/5.12)

      Description

      I do not know if this is a missing in the doc, or a problem in QProcess.

      In short if the QProcess is destroyed BEFORE the end of the process the QMessageLogContext is populated with NULLPTR for file and function

       

      context @0x55593eaf7ba8 QMessageLogContext &
      category "default" char*
      file 0x0 char*
      function 0x0 char*
      line 0 int
      version 2 int

       

      And this will trigger an error when calling the fprintf function.
      I fixed adding a

       

      auto file = context.file;
      if (context.file == nullptr) {
       file = "NO FILE FOUND";
      }
       
      

       

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            • Assignee:
              thiago Thiago Macieira
              Reporter:
              RoyBellingan Roy Bellingan
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              Dates

              • Created:
                Updated:
                Resolved:

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