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gh-92781: Avoid mixing declarations and code in C API (#92783) (#92813)

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Avoid mixing declarations and code in the C API to fix the compiler
warning: "ISO C90 forbids mixed declarations and code"
[-Werror=declaration-after-statement].

(cherry picked from commit 90e7230073)
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Victor Stinner 2022-05-16 13:19:52 +02:00 • committed by GitHub
parent 5f24acdca0
commit a3d2ce95d1
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4 changed files with 16 additions and 9 deletions
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6
Include/cpython/weakrefobject.h
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@ -37,9 +37,11 @@ PyAPI_FUNC(Py_ssize_t) _PyWeakref_GetWeakrefCount(PyWeakReference *head);
PyAPI_FUNC(void) _PyWeakref_ClearRef(PyWeakReference *self);
static inline PyObject* PyWeakref_GET_OBJECT(PyObject *ref_obj) {
PyWeakReference *ref;
PyObject *obj;
assert(PyWeakref_Check(ref_obj));
PyWeakReference *ref = _Py_CAST(PyWeakReference*, ref_obj);
PyObject *obj = ref->wr_object;
ref = _Py_CAST(PyWeakReference*, ref_obj);
obj = ref->wr_object;
// Explanation for the Py_REFCNT() check: when a weakref's target is part
// of a long chain of deallocations which triggers the trashcan mechanism,
// clearing the weakrefs can be delayed long after the target's refcount