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bpo-1635741: Fix potential refleaks in binascii module #18613

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Merged
vstinner merged 2 commits into from
Mar 11, 2020
Merged

bpo-1635741: Fix potential refleaks in binascii module #18613

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3a3274a
Fix potential refleaks in binascii module
shihai1991 Feb 23, 2020
a2f1f99
using the var name module to replace m
shihai1991 Mar 1, 2020
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using the var name module to replace m
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@shihai1991
shihai1991 committed Mar 1, 2020
commit a2f1f99cafe2d49bfdfebaca811f475c090bb434
34 changes: 16 additions & 18 deletions Modules/binascii.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1612,9 +1612,9 @@ static struct PyMethodDef binascii_module_methods[] = {
PyDoc_STRVAR(doc_binascii, "Conversion between binary data and ASCII");

static int
binascii_exec(PyObject *m) {
binascii_exec(PyObject *module) {
int result;
binascii_state *state = PyModule_GetState(m);
binascii_state *state = PyModule_GetState(module);
if (state == NULL) {
return -1;
}
Expand All @@ -1624,7 +1624,7 @@ binascii_exec(PyObject *m) {
return -1;
}
Py_INCREF(state->Error);
result = PyModule_AddObject(m, "Error", state->Error);
result = PyModule_AddObject(module, "Error", state->Error);
if (result == -1) {
Py_DECREF(state->Error);
return -1;
Expand All @@ -1635,7 +1635,7 @@ binascii_exec(PyObject *m) {
return -1;
}
Py_INCREF(state->Incomplete);
result = PyModule_AddObject(m, "Incomplete", state->Incomplete);
result = PyModule_AddObject(module, "Incomplete", state->Incomplete);
if (result == -1) {
Py_DECREF(state->Incomplete);
return -1;
Expand All @@ -1650,33 +1650,31 @@ static PyModuleDef_Slot binascii_slots[] = {
};

static int
binascii_traverse(PyObject *m, visitproc visit, void *arg)
binascii_traverse(PyObject *module, visitproc visit, void *arg)
{
binascii_state *state = get_binascii_state(m);
if (state == NULL) {
return -1;
binascii_state *state = get_binascii_state(module);
if (state) {
Py_VISIT(state->Error);
Py_VISIT(state->Incomplete);
}
Py_VISIT(state->Error);
Py_VISIT(state->Incomplete);
return 0;
}

static int
binascii_clear(PyObject *m)
binascii_clear(PyObject *module)
{
binascii_state *state = get_binascii_state(m);
if (state == NULL) {
return -1;
binascii_state *state = get_binascii_state(module);
if (state) {
Py_CLEAR(state->Error);
Py_CLEAR(state->Incomplete);
}
Py_CLEAR(state->Error);
Py_CLEAR(state->Incomplete);
return 0;
}

static void
binascii_free(void *m)
binascii_free(void *module)
{
binascii_clear((PyObject *)m);
binascii_clear((PyObject *)module);
}

static struct PyModuleDef binasciimodule = {
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