libnm: reuse nm_utils_strdict_get_keys() to implement NMSettingVpn's get_keys()

libnm-core/nm-setting-vpn.c

@@ -155,39 +155,6 @@ nm_setting_vpn_get_persistent (NMSettingVpn *setting)
 	return NM_SETTING_VPN_GET_PRIVATE (setting)->persistent;
 }
 
-static const char **
-_get_keys (NMSettingVpn *setting,
-           gboolean is_secrets,
-           guint *out_length)
-{
-	NMSettingVpnPrivate *priv;
-	GHashTable *hash;
-	const char **keys;
-	guint len;
-
-	nm_assert (NM_IS_SETTING_VPN (setting));
-
-	priv = NM_SETTING_VPN_GET_PRIVATE (setting);
-
-	hash = is_secrets ? priv->secrets : priv->data;
-
-	if (!g_hash_table_size (hash)) {
-		NM_SET_OUT (out_length, 0);
-		return NULL;
-	}
-
-	keys = (const char **) g_hash_table_get_keys_as_array (hash, &len);
-	if (len > 1) {
-		g_qsort_with_data (keys,
-		                   len,
-		                   sizeof (const char *),
-		                   nm_strcmp_p_with_data,
-		                   NULL);
-	}
-	NM_SET_OUT (out_length, len);
-	return keys;
-}
-
 /**
  * nm_setting_vpn_get_num_data_items:
  * @setting: the #NMSettingVpn
@@ -267,7 +234,9 @@ nm_setting_vpn_get_data_keys (NMSettingVpn *setting,
 {
 	g_return_val_if_fail (NM_IS_SETTING_VPN (setting), NULL);
 
-	return _get_keys (setting, FALSE, out_length);
+	return nm_utils_strdict_get_keys (NM_SETTING_VPN_GET_PRIVATE (setting)->data,
+	                                  TRUE,
+	                                  out_length);
 }
 
 /**
@@ -442,7 +411,9 @@ nm_setting_vpn_get_secret_keys (NMSettingVpn *setting,
 {
 	g_return_val_if_fail (NM_IS_SETTING_VPN (setting), NULL);
 
-	return _get_keys (setting, TRUE, out_length);
+	return nm_utils_strdict_get_keys (NM_SETTING_VPN_GET_PRIVATE (setting)->secrets,
+	                                  TRUE,
+	                                  out_length);
 }
 
 /**