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Issue #27333: Simplified testing step on 0.

This commit is contained in:
Serhiy Storchaka 2016-06-18 09:51:55 +03:00
parent cfdfbb4d3c
commit 5d062d7ba3
1 changed files with 4 additions and 11 deletions
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15
Objects/rangeobject.c
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@ -29,17 +29,10 @@ validate_step(PyObject *step)
return PyLong_FromLong(1); return PyLong_FromLong(1);
step = PyNumber_Index(step); step = PyNumber_Index(step);
if (step) { if (step && _PyLong_Sign(step) == 0) {
Py_ssize_t istep = PyNumber_AsSsize_t(step, NULL); PyErr_SetString(PyExc_ValueError,
if (istep == -1 && PyErr_Occurred()) { "range() arg 3 must not be zero");
/* Ignore OverflowError, we know the value isn't 0. */ Py_CLEAR(step);
PyErr_Clear();
}
else if (istep == 0) {
PyErr_SetString(PyExc_ValueError,
"range() arg 3 must not be zero");
Py_CLEAR(step);
}
} }
return step; return step;