| // 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. |
| #pragma once |
| |
| #include "pw_preprocessor/compiler.h" |
| #include "pw_preprocessor/util.h" |
| |
| PW_EXTERN_C_START |
| |
| // Log a message with the listed attributes. |
| void pw_Log(int level, |
| unsigned int flags, |
| const char* module_name, |
| const char* file_name, |
| int line_number, |
| const char* function_name, |
| const char* message, |
| ...) PW_PRINTF_FORMAT(7, 8); |
| |
| PW_EXTERN_C_END |
| |
| // Log a message with many attributes included. |
| // |
| // This is the log macro frontend that funnels everything into the C handler |
| // above, pw_Log(). It's not efficient at the callsite, since it passes many |
| // arguments. Additionally, the use of the __FUNC__ macro adds a static const |
| // char[] variable inside functions with a log. |
| // |
| // TODO(pwbug/87): Reconsider the naming of this module when more is in place. |
| #define PW_LOG(level, flags, message, ...) \ |
| do { \ |
| pw_Log((level), \ |
| (flags), \ |
| PW_LOG_MODULE_NAME, \ |
| __FILE__, \ |
| __LINE__, \ |
| __func__, \ |
| message PW_COMMA_ARGS(__VA_ARGS__)); \ |
| } while (0) |