Message144714
getstring() of the _sre module contains the following code:
-------------
...
buffer = Py_TYPE(string)->tp_as_buffer;
if (!buffer || !buffer->bf_getbuffer ||
(*buffer->bf_getbuffer)(string, &view, PyBUF_SIMPLE) < 0) {
PyErr_SetString(PyExc_TypeError, "expected string or buffer");
return NULL;
}
/* determine buffer size */
bytes = view.len;
ptr = view.buf;
/* Release the buffer immediately --- possibly dangerous
but doing something else would require some re-factoring
*/
PyBuffer_Release(&view);
...
-------------
getstring() is used to initialize a state or a pattern. State and pattern have destructors (pattern_dealloc() and state_fini()), so it should be possible to keep the view active and call PyBuffer_Release() in the destructor. |
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Date |
User |
Action |
Args |
2011-10-01 01:50:51 | vstinner | set | recipients:
+ vstinner, pitrou |
2011-10-01 01:50:51 | vstinner | set | messageid: <1317433851.47.0.137164360321.issue13083@psf.upfronthosting.co.za> |
2011-10-01 01:50:50 | vstinner | link | issue13083 messages |
2011-10-01 01:50:49 | vstinner | create | |
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