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Issue #15989: Fix several occurrences of integer overflow

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when result of PyInt_AsLong() or PyLong_AsLong() narrowed
to int without checks.

This is a backport of changesets 13e2e44db99d and 525407d89277.
This commit is contained in:
Serhiy Storchaka 2013-01-19 12:55:39 +02:00
parent ac7b49f407
commit 74f49ab28b
17 changed files with 143 additions and 22 deletions
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Include/intobject.h
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@ -40,6 +40,7 @@ PyAPI_FUNC(PyObject *) PyInt_FromSize_t(size_t);
PyAPI_FUNC(PyObject *) PyInt_FromSsize_t(Py_ssize_t);
PyAPI_FUNC(long) PyInt_AsLong(PyObject *);
PyAPI_FUNC(Py_ssize_t) PyInt_AsSsize_t(PyObject *);
PyAPI_FUNC(int) _PyInt_AsInt(PyObject *);
PyAPI_FUNC(unsigned long) PyInt_AsUnsignedLongMask(PyObject *);
#ifdef HAVE_LONG_LONG
PyAPI_FUNC(unsigned PY_LONG_LONG) PyInt_AsUnsignedLongLongMask(PyObject *);