src/bindings/python/bt2/bt2/native_bt_value.i.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 struct bt_value_map_get_keys_data {
   8         struct bt_value *keys;
   9 };
  10
  11 static bt_value_map_foreach_entry_const_func_status bt_value_map_get_keys_cb(
  12                 const char *key, const struct bt_value *object, void *data)
  13 {
  14         int status;
  15         struct bt_value_map_get_keys_data *priv_data = data;
  16
  17         status = bt_value_array_append_string_element(priv_data->keys, key);
  18         BT_ASSERT(status == __BT_FUNC_STATUS_OK ||
  19                 status == __BT_FUNC_STATUS_MEMORY_ERROR);
  20         return status;
  21 }
  22
  23 static struct bt_value *bt_value_map_get_keys(const struct bt_value *map_obj)
  24 {
  25         bt_value_map_foreach_entry_const_status status;
  26         struct bt_value_map_get_keys_data data;
  27
  28         data.keys = bt_value_array_create();
  29         if (!data.keys) {
  30                 return NULL;
  31         }
  32
  33         status = bt_value_map_foreach_entry_const(map_obj, bt_value_map_get_keys_cb,
  34                 &data);
  35         if (status != __BT_FUNC_STATUS_OK) {
  36                 goto error;
  37         }
  38
  39         goto end;
  40
  41 error:
  42         if (data.keys) {
  43                 BT_VALUE_PUT_REF_AND_RESET(data.keys);
  44         }
  45
  46 end:
  47         return data.keys;
  48 }