environment variables can change while the process is running and are not memory... | Hacker News

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		withinboredom 57 days ago \| parent \| context \| favorite \| on: Claude Code's source code has been leaked via a ma... environment variables can change while the process is running and are not memory safe (though I suspect node tries to wrap it with a lock). Meaning if you check a variable at point A, enter a branch and check it again at point B ... it's not guaranteed that they will be the same value. This can cause you to enter "impossible conditions".

efskap 55 days ago [–]

Wait, is it expected for them to be able to change? According to this SO answer [0] it's only really possible through GDB or "nasty hacks" as there's no API for it.

[0] https://unix.stackexchange.com/questions/38205/change-enviro...

withinboredom 55 days ago | [–]

The process itself (including other threads) can call setenv whenever it wants.

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