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Store actual ints, not pointers to them in the interpreter state. (GH-29274)

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Mark Shannon 2021-10-28 17:35:43 +01:00 • committed by GitHub
parent 13d9205f40
commit 4fc68560ea
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5 changed files with 10 additions and 21 deletions
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21
Objects/longobject.c
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@ -5827,24 +5827,17 @@ PyLong_GetInfo(void)
return int_info;
}
int
void
_PyLong_Init(PyInterpreterState *interp)
{
for (Py_ssize_t i=0; i < NSMALLNEGINTS + NSMALLPOSINTS; i++) {
sdigit ival = (sdigit)i - NSMALLNEGINTS;
int size = (ival < 0) ? -1 : ((ival == 0) ? 0 : 1);
PyLongObject *v = _PyLong_New(1);
if (!v) {
return -1;
}
Py_SET_SIZE(v, size);
v->ob_digit[0] = (digit)abs(ival);
interp->small_ints[i] = v;
interp->small_ints[i].ob_base.ob_base.ob_refcnt = 1;
interp->small_ints[i].ob_base.ob_base.ob_type = &PyLong_Type;
interp->small_ints[i].ob_base.ob_size = size;
interp->small_ints[i].ob_digit[0] = (digit)abs(ival);
}
return 0;
}
@ -5863,7 +5856,5 @@ _PyLong_InitTypes(void)
void
_PyLong_Fini(PyInterpreterState *interp)
{
for (Py_ssize_t i = 0; i < NSMALLNEGINTS + NSMALLPOSINTS; i++) {
Py_CLEAR(interp->small_ints[i]);
}
(void)interp;
}