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bpo-29505: Avoid UB in test selection macro. #3407

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Merged
merged 1 commit into from
Sep 7, 2017
Merged

bpo-29505: Avoid UB in test selection macro. #3407

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8 changes: 3 additions & 5 deletions Modules/_xxtestfuzz/fuzzer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -105,16 +105,14 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

int rv = 0;

#define _Py_FUZZ_YES(test_name) (defined(_Py_FUZZ_##test_name) || !defined(_Py_FUZZ_ONE))
#if _Py_FUZZ_YES(fuzz_builtin_float)
#if !defined(_Py_FUZZ_ONE) || defined(_Py_FUZZ_fuzz_builtin_float)
rv |= _run_fuzz(data, size, fuzz_builtin_float);
#endif
#if _Py_FUZZ_YES(fuzz_builtin_int)
#if !defined(_Py_FUZZ_ONE) || defined(_Py_FUZZ_fuzz_builtin_int)
rv |= _run_fuzz(data, size, fuzz_builtin_int);
#endif
#if _Py_FUZZ_YES(fuzz_builtin_unicode)
#if !defined(_Py_FUZZ_ONE) || defined(_Py_FUZZ_fuzz_builtin_unicode)
rv |= _run_fuzz(data, size, fuzz_builtin_unicode);
#endif
#undef _Py_FUZZ_YES
return rv;
}