mirror of https://github.com/python/cpython
Remove PyRange_New().
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@ -22,8 +22,6 @@ PyAPI_DATA(PyTypeObject) PyRange_Type;
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#define PyRange_Check(op) ((op)->ob_type == &PyRange_Type)
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PyAPI_FUNC(PyObject *) PyRange_New(long, long, long, int);
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#ifdef __cplusplus
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}
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#endif
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@ -9,51 +9,6 @@ typedef struct {
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long len;
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} rangeobject;
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/* XXX PyRange_New should be deprecated. It's not documented. It's not
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* used in the core. Its error-checking is akin to Swiss cheese: accepts
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* step == 0; accepts len < 0; ignores that (len - 1) * step may overflow;
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* raises a baffling "integer addition" exception if it thinks the last
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* item is "too big"; and doesn't compute whether "last item is too big"
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* correctly even if the multiplication doesn't overflow.
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*/
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PyObject *
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PyRange_New(long start, long len, long step, int reps)
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{
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rangeobject *obj;
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if (reps != 1) {
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PyErr_SetString(PyExc_ValueError,
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"PyRange_New's 'repetitions' argument must be 1");
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return NULL;
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}
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obj = PyObject_New(rangeobject, &PyRange_Type);
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if (obj == NULL)
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return NULL;
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if (len == 0) {
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start = 0;
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len = 0;
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step = 1;
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}
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else {
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long last = start + (len - 1) * step;
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if ((step > 0) ?
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(last > (PyInt_GetMax() - step)) :
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(last < (-1 - PyInt_GetMax() - step))) {
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PyErr_SetString(PyExc_OverflowError,
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"integer addition");
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Py_DECREF(obj);
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return NULL;
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}
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}
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obj->start = start;
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obj->len = len;
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obj->step = step;
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return (PyObject *) obj;
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}
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/* Return number of items in range/xrange (lo, hi, step). step > 0
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* required. Return a value < 0 if & only if the true value is too
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* large to fit in a signed long.
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