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Add missing checks for failures in calls to PyUnicode_AsUTF8String.

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Previously a seg fault could occur when passing invalid UTF8 strings (low
surrogates), eg passing u"\udcff" to the C layer (Python 3).
This commit is contained in:
William S Fulton 2017-12-04 18:41:55 +00:00
commit b0e29fbdf3
12 changed files with 92 additions and 25 deletions
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5
Doc/Manual/Varargs.html
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@ -529,8 +529,11 @@ like this:
SWIG_fail;
}
pystr = PyUnicode_AsUTF8String(pyobj);
if (!pystr) {
SWIG_fail;
}
str = strdup(PyBytes_AsString(pystr));
Py_XDECREF(pystr);
Py_DECREF(pystr);
%#else
if (!PyString_Check(pyobj)) {
PyErr_SetString(PyExc_ValueError, "Expected a string");