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Avoid UB in test selection macro. (#3407) 

This fixes the gcc "warning: this use of "defined" may not be portable [-Wexpansion-to-defined]"

See discussion in http://bugs.python.org/issue29505
This commit is contained in:
Devin Jeanpierre 2017-09-06 18:00:47 -07:00 committed by Gregory P. Smith
parent 738b7d9766
commit 78ebc73f9b
1 changed files with 3 additions and 5 deletions
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8
Modules/_xxtestfuzz/fuzzer.c
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@ -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;
}