diff options
Diffstat (limited to 'Modules/_gdbmmodule.c')
| -rw-r--r-- | Modules/_gdbmmodule.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Modules/_gdbmmodule.c b/Modules/_gdbmmodule.c index bedbdc0..47f2da8 100644 --- a/Modules/_gdbmmodule.c +++ b/Modules/_gdbmmodule.c @@ -561,6 +561,37 @@ _gdbm_gdbm_sync_impl(gdbmobject *self, PyTypeObject *cls) Py_RETURN_NONE; } +/*[clinic input] +_gdbm.gdbm.clear + cls: defining_class + / +Remove all items from the database. + +[clinic start generated code]*/ + +static PyObject * +_gdbm_gdbm_clear_impl(gdbmobject *self, PyTypeObject *cls) +/*[clinic end generated code: output=673577c573318661 input=34136d52fcdd4210]*/ +{ + _gdbm_state *state = PyType_GetModuleState(cls); + assert(state != NULL); + check_gdbmobject_open(self, state->gdbm_error); + datum key; + // Invalidate cache + self->di_size = -1; + while (1) { + key = gdbm_firstkey(self->di_dbm); + if (key.dptr == NULL) { + break; + } + if (gdbm_delete(self->di_dbm, key) < 0) { + PyErr_SetString(state->gdbm_error, "cannot delete item from database"); + return NULL; + } + } + Py_RETURN_NONE; +} + static PyObject * gdbm__enter__(PyObject *self, PyObject *args) { @@ -582,6 +613,7 @@ static PyMethodDef gdbm_methods[] = { _GDBM_GDBM_SYNC_METHODDEF _GDBM_GDBM_GET_METHODDEF _GDBM_GDBM_SETDEFAULT_METHODDEF + _GDBM_GDBM_CLEAR_METHODDEF {"__enter__", gdbm__enter__, METH_NOARGS, NULL}, {"__exit__", gdbm__exit__, METH_VARARGS, NULL}, {NULL, NULL} /* sentinel */ |