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Author SHA1 Message Date
Victor Stinner
551d02b3e6
gh-91321: Add _Py_NULL macro (#92253) 
Fix C++ compiler warnings: "zero as null pointer constant"
(clang -Wzero-as-null-pointer-constant).

* Add the _Py_NULL macro used by static inline functions to use
  nullptr in C++.
* Replace NULL with nullptr in _testcppext.cpp.
 2022-05-03 21:38:37 +02:00
Victor Stinner
031397063e
gh-92135: Fix _Py_reinterpret_cast() for const (#92138) 
Fix C++ compiler warnings on cast macros, like _PyObject_CAST(), when
casting a constant expression to a non constant type: use
const_cast<> in C++.

* In C++, Py_SAFE_DOWNCAST() now uses static_cast<> rather than
  reinterpret_cast<>.
* Add tests to the _testcppext C++ extension.
* test_cppext no longer captures stdout in verbose mode.
 2022-05-02 17:07:00 +02:00
Victor Stinner
79886e7b62
gh-91321: Add _testcppext C++ extension (#32175) 
Build a basic C++ test extension to check that the Python C API is
compatible with C++ and does not emit C++ compiler warnings.

* Add Modules/_testcppext.cpp: C++ extension
* Add Lib/test/test_cppext.py: test building the C++ extension.
 2022-05-02 14:09:22 +02:00