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Check return value of PyObject_AsFileDescriptor() in _Py_DisplaySourceLine() for error

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CID 486768
This commit is contained in:
Christian Heimes 2013-07-21 01:53:10 +02:00
parent a6404ad43c
commit 8c077bc03e
1 changed files with 5 additions and 0 deletions
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5
Python/traceback.c
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@ -255,6 +255,11 @@ _Py_DisplaySourceLine(PyObject *f, PyObject *filename, int lineno, int indent)
/* use the right encoding to decode the file as unicode */
fd = PyObject_AsFileDescriptor(binary);
if (fd < 0) {
Py_DECREF(io);
Py_DECREF(binary);
return NULL;
}
found_encoding = PyTokenizer_FindEncodingFilename(fd, filename);
encoding = (found_encoding != NULL) ? found_encoding : "utf-8";
lseek(fd, 0, 0); /* Reset position */