getFileId() error in windows docker container

We are using cppcheck in a Windows Docker container (windowsservercore-20H2) and have noticed that the function simplecpp::FileDataCache::getFileId() does not work.

This is because the Windows API function GetFileInformationByHandleEx is not available in the Docker container (Error 50: ERROR_NOT_SUPPORTED). We also tested this on windowsservercore-ltsc2025, but the problem persists there as well.
Because of this problem, cppcheck cannot find files and therefore does not work.

However, it works when using the simpler API function GetFileInformationByHandle (without Ex).
Here is my fix for the problem:

#ifdef DOCKER
// New implementation
    BY_HANDLE_FILE_INFORMATION fileInfo;
    const BOOL ret = GetFileInformationByHandle(hFile, &fileInfo);
    if (ret) {
        id.fileIdInfo.VolumeSerialNumber = static_cast<std::uint64_t>(fileInfo.dwVolumeSerialNumber);
        id.fileIdInfo.FileId.IdentifierHi = static_cast<std::uint64_t>(fileInfo.nFileIndexHigh);
        id.fileIdInfo.FileId.IdentifierLo = static_cast<std::uint64_t>(fileInfo.nFileIndexLow);
    }
#else
// Old implementation
    const BOOL ret = GetFileInformationByHandleEx(hFile, FileIdInfo, &id.fileIdInfo, sizeof(id.fileIdInfo));
#endif

The problem can also be reproduced using testrunner.exe.

refs cppcheck-opensource#583 - report `CACHE_ERROR` when `simplecpp::…

So it seems you need a different OS to be able to run such containers.

did you try with ltsc2022 ?

I believe I managed to run ltsc2022 in a github action: #592

Please note the "Hello from Windows container" message

Run docker run --rm mcr.microsoft.com/windows/servercore:ltsc2022 cmd /c "echo Hello from Windows container && dir C:\"
Unable to find image 'mcr.microsoft.com/windows/servercore:ltsc2022' locally
ltsc2022: Pulling from windows/servercore
425c2915a651: Pulling fs layer
ea2e635f63c8: Pulling fs layer
ea2e635f63c8: Verifying Checksum
ea2e635f63c8: Download complete
425c2915a651: Verifying Checksum
425c2915a651: Download complete
425c2915a651: Pull complete
ea2e635f63c8: Pull complete
Digest: sha256:3a2a2fdfbae2f720f6fe26f2d7680146712ce330f605b02a61d624889735c72e
Status: Downloaded newer image for mcr.microsoft.com/windows/servercore:ltsc2022
The filename, directory name, or volume label syntax is incorrect.
Hello from Windows container 
Error: Process completed with exit code 1.

Thanks. I will take look later today.

I fail to reproduce locally. Is there a suggestion what I should do? i.e. this command works fine in my windows docker container:

simplecpp\build\debug\simplecpp.exe simplecpp\simplecpp.cpp

and the integration tests are successful in my docker container also, as far as I know these tests should test out the inclusions:

C:\danie\simplecpp>python -m pytest integration_test.py

The top of the Dockerfile I used to build my docker image says:

FROM mcr.microsoft.com/windows/servercore:ltsc2022

@willenbr24

@willenbr24 do you have suggestion how I can reproduce?

We cannot use these Docker images in the CI - they are ginormous.

mcr.microsoft.com/windows/servercore   ltsc2025   79967dce01f9   2 weeks ago   7.62GB

mcr.microsoft.com/windows/server   ltsc2025   aec1b9526eb7   2 weeks ago   17.9GB

I think trying to address the issue using manual testing via exFAT should be sufficient for now. We should file a follow-up ticket to try to automate that test.

fixed cppcheck-opensource#583 - fall back to `GetFileInformationByHan…

I think trying to address the issue using manual testing via exFAT should be sufficient for now. We should file a follow-up ticket to try to automate that test.

This should be possible using a virtual hard disk. See
https://learn.microsoft.com/en-us/powershell/module/hyper-v/new-vhd
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/gg252579(v=ws.11)

fixed cppcheck-opensource#583 - fall back to `GetFileInformationByHan…

@willenbr24 do you have suggestion how I can reproduce?

I identified the issue in the cppcheck project (https://github.com/danmar/cppcheck.git) and was able to reproduce it using the unit tests (testrunner.exe). And there you can see that several tests fail, which work with my workaround.

To reproduce the problem, you need to compile the cppcheck project inside the container and then run testrunner.exe.
We use the Microsoft Build Tools for compilation. Instructions for installing them in Docker can be found here:
https://learn.microsoft.com/en-us/visualstudio/install/build-tools-container?view=vs-2022

Does this mean that the latest trunk still fails for you?

Does this mean that the latest trunk still fails for you?

No, I haven't tested the latest trunk yet.

I just tested your changes from commit 7ac711b using the cppcheck project at commit cppcheck-opensource/cppcheck@a9f88d4, running the tests with testrunner.exe in a Docker container. The test was successful!
Thank you!

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getFileId() error in windows docker container #583

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getFileId() error in windows docker container #583

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danmar commented on Nov 29, 2025

danmar commented on Nov 29, 2025

firewave commented on Nov 29, 2025

danmar commented on Nov 29, 2025

danmar commented on Nov 29, 2025

firewave commented on Nov 29, 2025

firewave commented on Nov 29, 2025

willenbr24 commented on Dec 1, 2025

firewave commented on Dec 1, 2025

willenbr24 commented on Dec 1, 2025

willenbr24 commented on Dec 1, 2025

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