id: Handle NULL pointer gracefully within cstr2cow macro
#7810
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> getlogin() returns a pointer to a string containing the name of the user logged in on the controlling terminal of the process, or a NULL pointer if this information cannot be determined. Ref: https://linux.die.net/man/3/getlogin
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GNU testsuite comparison: |
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i think you can probably add a test here |
sylvestre
reviewed
Apr 21, 2025
Co-authored-by: Sylvestre Ledru <[email protected]>
Segfault fixed by 292fb92
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I suggest trying to see if |
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nickorlow
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to nickorlow/coreutils
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Jul 17, 2025
* id: Handle NULL pointer gracefully within `cstr2cow` macro > getlogin() returns a pointer to a string containing the name of the user logged in on the controlling terminal of the process, or a NULL pointer if this information cannot be determined. Ref: https://linux.die.net/man/3/getlogin * id: Remove redundant std::ffi:: prefix from CStr * id: Add comment for the null check Co-authored-by: Sylvestre Ledru <[email protected]> * id: Remove skip for test that should not segfault anymore Segfault fixed by 292fb92 --------- Co-authored-by: Sylvestre Ledru <[email protected]>
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This PR fixes a segmentation fault with the
id -pcommand when thegetloginfunction is unable to determine the logged-in user.Ref: https://linux.die.net/man/3/getlogin
fixes #7808