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[3.12] gh-121023: Improve _xxtestfuzz/README.rst (GH-121024) (#124141)

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gh-121023: Improve `_xxtestfuzz/README.rst` (GH-121024)
(cherry picked from commit a9c2bc1634)

Co-authored-by: sobolevn <mail@sobolevn.me>
Co-authored-by: Illia Volochii <illia.volochii@gmail.com>
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Miss Islington (bot) 2024-09-16 22:29:02 +02:00 • committed by GitHub
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8
Modules/_xxtestfuzz/README.rst
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@ -20,7 +20,7 @@ Add the test name on a new line in ``fuzz_tests.txt``.
In ``fuzzer.c``, add a function to be run::
int $test_name (const char* data, size_t size) {
static int $fuzz_test_name(const char* data, size_t size) {
...
return 0;
}
@ -28,10 +28,12 @@ In ``fuzzer.c``, add a function to be run::
And invoke it from ``LLVMFuzzerTestOneInput``::
#if _Py_FUZZ_YES(fuzz_builtin_float)
rv |= _run_fuzz(data, size, fuzz_builtin_float);
#if !defined(_Py_FUZZ_ONE) || defined(_Py_FUZZ_$fuzz_test_name)
rv |= _run_fuzz(data, size, $fuzz_test_name);
#endif
Don't forget to replace ``$fuzz_test_name`` with your actual test name.
``LLVMFuzzerTestOneInput`` will run in oss-fuzz, with each test in
``fuzz_tests.txt`` run separately.