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Fuzzes the CPython _locale C module (Modules/_localemodule.c) through its two Unicode-consuming entry points. Dispatches per input to either locale.strxfrm() — the locale-aware string-to-transform-key conversion that exercises the underlying wcsxfrm() wrapper and its wchar_t encode/decode boundaries — or locale.strcoll(), which compares two fuzzed Unicode strings via wcscoll() to drive the locale-aware collation path. Inputs are Unicode text drawn from the fuzzed byte stream, so multibyte, surrogate-range, and astral-plane code points all reach the C conversion layer.
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Fuzzes the CPython _locale C module (
Modules/_localemodule.c) through its two Unicode-consuming entry points. Dispatches per input to eitherlocale.strxfrm()— the locale-aware string-to-transform-key conversion that exercises the underlyingwcsxfrm()wrapper and itswchar_tencode/decode boundaries — orlocale.strcoll(), which compares two fuzzed Unicode strings viawcscoll()to drive the locale-aware collation path. Inputs are Unicode text drawn from the fuzzed byte stream, so multibyte, surrogate-range, and astral-plane code points all reach the C conversion layer.