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Fix invalid free in SWIG_Python_AddErrMesg

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Closes #1331
This commit is contained in:
William S Fulton 2018-09-28 07:08:12 +01:00
commit 142d4062df
1 changed files with 3 additions and 4 deletions
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7
Lib/python/pyrun.swg
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@ -1484,14 +1484,13 @@ SWIG_Python_AddErrMesg(const char* mesg, int infront)
if (value) {
PyObject *old_str = PyObject_Str(value);
const char *tmp = SWIG_Python_str_AsChar(old_str);
if (!tmp)
tmp = "Invalid error message";
const char *errmesg = tmp ? tmp : "Invalid error message";
Py_XINCREF(type);
PyErr_Clear();
if (infront) {
PyErr_Format(type, "%s %s", mesg, tmp);
PyErr_Format(type, "%s %s", mesg, errmesg);
} else {
PyErr_Format(type, "%s %s", tmp, mesg);
PyErr_Format(type, "%s %s", errmesg, mesg);
}
SWIG_Python_str_DelForPy3(tmp);
Py_DECREF(old_str);