bpo-39573: Use Py_SET_SIZE() function (GH-18402)

Replace direct acccess to PyVarObject.ob_size with usage of
the Py_SET_SIZE() function.

1 files changed, 13 insertions, 13 deletions

diff --git a/Objects/listobject.c b/Objects/listobject.c
index d83e3cf..a406e70 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -45,7 +45,7 @@ list_resize(PyListObject *self, Py_ssize_t newsize)
     */
     if (allocated >= newsize && newsize >= (allocated >> 1)) {
         assert(self->ob_item != NULL || newsize == 0);
-        Py_SIZE(self) = newsize;
+        Py_SET_SIZE(self, newsize);
         return 0;
     }
 
@@ -73,7 +73,7 @@ list_resize(PyListObject *self, Py_ssize_t newsize)
         return -1;
     }
     self->ob_item = items;
-    Py_SIZE(self) = newsize;
+    Py_SET_SIZE(self, newsize);
     self->allocated = new_allocated;
     return 0;
 }
@@ -156,7 +156,7 @@ PyList_New(Py_ssize_t size)
             return PyErr_NoMemory();
         }
     }
-    Py_SIZE(op) = size;
+    Py_SET_SIZE(op, size);
     op->allocated = size;
     _PyObject_GC_TRACK(op);
     return (PyObject *) op;
@@ -457,7 +457,7 @@ list_slice(PyListObject *a, Py_ssize_t ilow, Py_ssize_t ihigh)
         Py_INCREF(v);
         dest[i] = v;
     }
-    Py_SIZE(np) = len;
+    Py_SET_SIZE(np, len);
     return (PyObject *)np;
 }
 
@@ -518,7 +518,7 @@ list_concat(PyListObject *a, PyObject *bb)
         Py_INCREF(v);
         dest[i] = v;
     }
-    Py_SIZE(np) = size;
+    Py_SET_SIZE(np, size);
     return (PyObject *)np;
 #undef b
 }
@@ -561,7 +561,7 @@ list_repeat(PyListObject *a, Py_ssize_t n)
             }
         }
     }
-    Py_SIZE(np) = size;
+    Py_SET_SIZE(np, size);
     return (PyObject *) np;
 }
 
@@ -574,7 +574,7 @@ _list_clear(PyListObject *a)
         /* Because XDECREF can recursively invoke operations on
            this list, we make it empty first. */
         i = Py_SIZE(a);
-        Py_SIZE(a) = 0;
+        Py_SET_SIZE(a, 0);
         a->ob_item = NULL;
         a->allocated = 0;
         while (--i >= 0) {
@@ -913,7 +913,7 @@ list_extend(PyListObject *self, PyObject *iterable)
         if (list_resize(self, mn) < 0)
             goto error;
         /* Make the list sane again. */
-        Py_SIZE(self) = m;
+        Py_SET_SIZE(self, m);
     }
 
     /* Run iterator to exhaustion. */
@@ -931,7 +931,7 @@ list_extend(PyListObject *self, PyObject *iterable)
         if (Py_SIZE(self) < self->allocated) {
             /* steals ref */
             PyList_SET_ITEM(self, Py_SIZE(self), item);
-            ++Py_SIZE(self);
+            Py_SET_SIZE(self, Py_SIZE(self) + 1);
         }
         else {
             int status = app1(self, item);
@@ -2204,7 +2204,7 @@ list_sort_impl(PyListObject *self, PyObject *keyfunc, int reverse)
     saved_ob_size = Py_SIZE(self);
     saved_ob_item = self->ob_item;
     saved_allocated = self->allocated;
-    Py_SIZE(self) = 0;
+    Py_SET_SIZE(self, 0);
     self->ob_item = NULL;
     self->allocated = -1; /* any operation will reset it to >= 0 */
 
@@ -2421,7 +2421,7 @@ fail:
 keyfunc_fail:
     final_ob_item = self->ob_item;
     i = Py_SIZE(self);
-    Py_SIZE(self) = saved_ob_size;
+    Py_SET_SIZE(self, saved_ob_size);
     self->ob_item = saved_ob_item;
     self->allocated = saved_allocated;
     if (final_ob_item != NULL) {
@@ -2811,7 +2811,7 @@ list_subscript(PyListObject* self, PyObject* item)
                 Py_INCREF(it);
                 dest[i] = it;
             }
-            Py_SIZE(result) = slicelength;
+            Py_SET_SIZE(result, slicelength);
             return result;
         }
     }
@@ -2904,7 +2904,7 @@ list_ass_subscript(PyListObject* self, PyObject* item, PyObject* value)
                      sizeof(PyObject *));
             }
 
-            Py_SIZE(self) -= slicelength;
+            Py_SET_SIZE(self, Py_SIZE(self) - slicelength);
             res = list_resize(self, Py_SIZE(self));
 
             for (i = 0; i < slicelength; i++) {