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Fixed _pickle to use Py_EnterRecursiveCall().

This commit is contained in:
Alexandre Vassalotti 2008-07-13 18:48:30 +00:00
parent 2bc91df2a3
commit dff1834f45
1 changed files with 3 additions and 11 deletions
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14
Modules/_pickle.c
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@ -304,9 +304,6 @@ typedef struct PicklerObject {
PyObject *arg;
int proto; /* Pickle protocol number, >= 0 */
int bin; /* Boolean, true if proto > 0 */
int nesting; /* Current nesting level, this is to guard
save() from going into infinite recursion
and segfaulting. */
int buf_size; /* Size of the current buffered pickle data */
char *write_buf; /* Write buffer, this is to avoid calling the
write() method of the output stream too
@ -2075,12 +2072,8 @@ save(PicklerObject *self, PyObject *obj, int pers_save)
PyObject *memo_key = NULL;
int status = 0;
/* XXX: Use Py_EnterRecursiveCall()? */
if (++self->nesting > Py_GetRecursionLimit()) {
PyErr_SetString(PyExc_RuntimeError,
"maximum recursion depth exceeded");
goto error;
}
if (Py_EnterRecursiveCall(" while pickling an object") < 0)
return -1;
/* The extra pers_save argument is necessary to avoid calling save_pers()
on its returned object. */
@ -2273,7 +2266,7 @@ save(PicklerObject *self, PyObject *obj, int pers_save)
status = -1;
}
done:
self->nesting--;
Py_LeaveRecursiveCall();
Py_XDECREF(memo_key);
Py_XDECREF(reduce_func);
Py_XDECREF(reduce_value);
@ -2440,7 +2433,6 @@ Pickler_init(PicklerObject *self, PyObject *args, PyObject *kwds)
self->proto = proto;
self->bin = proto > 0;
self->arg = NULL;
self->nesting = 0;
self->fast = 0;
self->fast_nesting = 0;
self->fast_memo = NULL;