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gh-128863: Deprecate _PyLong_FromDigits() function (#127939)

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Sergey B Kirpichev 2025-01-24 15:17:10 +03:00 • committed by GitHub
parent 3d8fc8b9ae
commit 233fd00f0a
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5 changed files with 22 additions and 6 deletions
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17
Objects/longobject.c
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@ -205,7 +205,6 @@ _PyLong_FromDigits(int negative, Py_ssize_t digit_count, digit *digits)
}
PyLongObject *result = long_alloc(digit_count);
if (result == NULL) {
PyErr_NoMemory();
return NULL;
}
_PyLong_SetSignAndDigitCount(result, negative?-1:1, digit_count);
@ -217,15 +216,29 @@ PyObject *
_PyLong_Copy(PyLongObject *src)
{
assert(src != NULL);
int sign;
if (_PyLong_IsCompact(src)) {
stwodigits ival = medium_value(src);
if (IS_SMALL_INT(ival)) {
return get_small_int((sdigit)ival);
}
sign = _PyLong_CompactSign(src);
}
else {
sign = _PyLong_NonCompactSign(src);
}
Py_ssize_t size = _PyLong_DigitCount(src);
return (PyObject *)_PyLong_FromDigits(_PyLong_IsNegative(src), size, src->long_value.ob_digit);
PyLongObject *result = long_alloc(size);
if (result == NULL) {
return NULL;
}
_PyLong_SetSignAndDigitCount(result, sign, size);
memcpy(result->long_value.ob_digit, src->long_value.ob_digit,
size * sizeof(digit));
return (PyObject *)result;
}
static PyObject *