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Issue #29159: Fix regression in bytes(x) when x.__index__() raises Exception.

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This commit is contained in:
INADA Naoki 2017-01-06 17:32:01 +09:00
parent a251fb02f4
commit a634e23209
4 changed files with 41 additions and 18 deletions
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24
Objects/bytearrayobject.c
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@ -798,18 +798,22 @@ bytearray_init(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
if (PyIndex_Check(arg)) {
count = PyNumber_AsSsize_t(arg, PyExc_OverflowError);
if (count == -1 && PyErr_Occurred()) {
return -1;
}
if (count < 0) {
PyErr_SetString(PyExc_ValueError, "negative count");
return -1;
}
if (count > 0) {
if (PyByteArray_Resize((PyObject *)self, count))
if (PyErr_ExceptionMatches(PyExc_OverflowError))
return -1;
memset(PyByteArray_AS_STRING(self), 0, count);
PyErr_Clear(); /* fall through */
}
else {
if (count < 0) {
PyErr_SetString(PyExc_ValueError, "negative count");
return -1;
}
if (count > 0) {
if (PyByteArray_Resize((PyObject *)self, count))
return -1;
memset(PyByteArray_AS_STRING(self), 0, count);
}
return 0;
}
return 0;
}
/* Use the buffer API */