Fix 14994: False negative: nullPointer with getenv - #8817
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ludviggunne wants to merge 5 commits into
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This adds a new attribute to the library configuration that signifies that a function may return
NULL. I was planning to add this to other functions, such asstrchrand family, but unfortunately it leads to false positives (see this test case). In any case I think some kind of update to the config format is needed to handle these kind of FNs without hardcoding.