Benjamin Peterson benjamin at python.org
Mon Apr 14 18:16:33 CEST 2014

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On Mon, Apr 14, 2014, at 9:14, Zachary Ware wrote:
> On Mon, Apr 14, 2014 at 10:52 AM, benjamin.peterson
> <python-checkins at python.org> wrote:
> > http://hg.python.org/cpython/rev/4bd1fb0f4f44
> > changeset:   90256:4bd1fb0f4f44
> > branch:      3.1
> > parent:      90235:a8facac493ef
> > user:        Benjamin Peterson <benjamin at python.org>
> > date:        Mon Apr 14 11:45:21 2014 -0400
> > summary:
> >   disallow a negative idx parameter
> >
> > files:
> >   Modules/_json.c |  9 +++++----
> >   1 files changed, 5 insertions(+), 4 deletions(-)
> >
> >
> > diff --git a/Modules/_json.c b/Modules/_json.c
> > --- a/Modules/_json.c
> > +++ b/Modules/_json.c
> > @@ -902,10 +902,11 @@
> >      PyObject *res;
> >      Py_UNICODE *str = PyUnicode_AS_UNICODE(pystr);
> >      Py_ssize_t length = PyUnicode_GET_SIZE(pystr);
> > -    if (idx < 0)
> > -        /* Compatibility with Python version. */
> > -        idx += length;
> > -    if (idx < 0 || idx >= length) {
> > +    if (idx < 0) {
> > +        PyErr_SetString(PyExc_ValueError, "idx canont be negative");
> 
> s/canont/cannot/
> 
> Also in the comparable 3.2 commit, but not the 3.3+ merge.

Thanks

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