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Patch #486743: remove bad INCREF, propagate exception in append_objects.

This commit is contained in:
Martin v. Löwis 2001-12-02 12:21:34 +00:00
parent 8b6bd42e08
commit 155aad17be
1 changed files with 11 additions and 6 deletions
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17
Modules/gcmodule.c
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@ -701,17 +701,19 @@ static char gc_get_objects__doc__[] =
;
/* appending objects in a GC list to a Python list */
static void
static int
append_objects(PyObject *py_list, PyGC_Head *gc_list)
{
PyGC_Head *gc;
for (gc = gc_list->gc.gc_next; gc != gc_list; gc = gc->gc.gc_next) {
PyObject *op = FROM_GC(gc);
if (op != py_list) {
Py_INCREF(op);
PyList_Append(py_list, op);
if (PyList_Append(py_list, op)) {
return -1; /* exception */
}
}
}
return 0;
}
static PyObject *
@ -722,9 +724,12 @@ gc_get_objects(PyObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, ":get_objects")) /* check no args */
return NULL;
result = PyList_New(0);
append_objects(result, &_PyGC_generation0);
append_objects(result, &generation1);
append_objects(result, &generation2);
if (append_objects(result, &_PyGC_generation0) ||
append_objects(result, &generation1) ||
append_objects(result, &generation2)) {
Py_DECREF(result);
return NULL;
}
return result;
}