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bpo-39573: Convert Py_REFCNT and Py_SIZE to functions (GH-20429)

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Convert Py_REFCNT() and Py_SIZE() macros to static inline functions.
They cannot be used as l-value anymore: use Py_SET_REFCNT() and
Py_SET_SIZE() to set an object reference count and size.

Replace &Py_SIZE(self) with &((PyVarObject*)self)->ob_size
in arraymodule.c.

This change is backward incompatible on purpose, to prepare the C API
for an opaque PyObject structure.
This commit is contained in:
Victor Stinner 2020-05-27 14:55:10 +02:00 • committed by GitHub
parent 20941de0dd
commit fe2978b3b9
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 44 additions and 14 deletions
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4
Modules/arraymodule.c
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@ -2525,14 +2525,14 @@ array_buffer_getbuf(arrayobject *self, Py_buffer *view, int flags)
Py_INCREF(self);
if (view->buf == NULL)
view->buf = (void *)emptybuf;
view->len = (Py_SIZE(self)) * self->ob_descr->itemsize;
view->len = Py_SIZE(self) * self->ob_descr->itemsize;
view->readonly = 0;
view->ndim = 1;
view->itemsize = self->ob_descr->itemsize;
view->suboffsets = NULL;
view->shape = NULL;
if ((flags & PyBUF_ND)==PyBUF_ND) {
view->shape = &((Py_SIZE(self)));
view->shape = &((PyVarObject*)self)->ob_size;
}
view->strides = NULL;
if ((flags & PyBUF_STRIDES)==PyBUF_STRIDES)