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langston-barrett / czz

Whole-program, Scheme-scriptable, multi-language, coverage-guided fuzzer
https://langston-barrett.github.io/czz/
MIT License
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llvm: Helpers for setting errno #84

Closed langston-barrett closed 2 years ago

langston-barrett commented 2 years ago

A whole bunch of overrides are going to have to use errno. There should be easy helper functions for this. A good candidate is unsetenv, which is pretty simple and this would enable fixing its soundness bug.