|  | // Copyright 2020 The Pigweed Authors | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); you may not | 
|  | // use this file except in compliance with the License. You may obtain a copy of | 
|  | // the License at | 
|  | // | 
|  | //     https://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | 
|  | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | 
|  | // License for the specific language governing permissions and limitations under | 
|  | // the License. | 
|  |  | 
|  | #include "pw_status/status.h" | 
|  |  | 
|  | #define PW_CASE_RETURN_ENUM_STRING(value) \ | 
|  | case PW_STATUS_##value:                 \ | 
|  | return #value | 
|  |  | 
|  | extern "C" const char* pw_StatusString(pw_Status status) { | 
|  | switch (status) { | 
|  | PW_CASE_RETURN_ENUM_STRING(OK); | 
|  | PW_CASE_RETURN_ENUM_STRING(CANCELLED); | 
|  | PW_CASE_RETURN_ENUM_STRING(UNKNOWN); | 
|  | PW_CASE_RETURN_ENUM_STRING(INVALID_ARGUMENT); | 
|  | PW_CASE_RETURN_ENUM_STRING(DEADLINE_EXCEEDED); | 
|  | PW_CASE_RETURN_ENUM_STRING(NOT_FOUND); | 
|  | PW_CASE_RETURN_ENUM_STRING(ALREADY_EXISTS); | 
|  | PW_CASE_RETURN_ENUM_STRING(PERMISSION_DENIED); | 
|  | PW_CASE_RETURN_ENUM_STRING(RESOURCE_EXHAUSTED); | 
|  | PW_CASE_RETURN_ENUM_STRING(FAILED_PRECONDITION); | 
|  | PW_CASE_RETURN_ENUM_STRING(ABORTED); | 
|  | PW_CASE_RETURN_ENUM_STRING(OUT_OF_RANGE); | 
|  | PW_CASE_RETURN_ENUM_STRING(UNIMPLEMENTED); | 
|  | PW_CASE_RETURN_ENUM_STRING(INTERNAL); | 
|  | PW_CASE_RETURN_ENUM_STRING(UNAVAILABLE); | 
|  | PW_CASE_RETURN_ENUM_STRING(DATA_LOSS); | 
|  | PW_CASE_RETURN_ENUM_STRING(UNAUTHENTICATED); | 
|  | default: | 
|  | return "INVALID STATUS"; | 
|  | } | 
|  | } | 
|  |  | 
|  | #undef PW_CASE_RETURN_ENUM_STRING |