diff --git a/README.md b/README.md index 6c3c4c28..f964e067 100644 --- a/README.md +++ b/README.md @@ -379,23 +379,17 @@ $ ./example ```c++ // You can get subscribe to get callbacks from spdlog before/after log file has been opened or closed. // This is useful for cleanup procedures or for adding someting the start/end of the log files. -void file_events_example(){ +void file_events_example() +{ + // pass the spdlog::file_event_handlers_t to file sinks for open/close log file notifications spdlog::file_event_handlers_t handlers; - handlers.before_open = [](spdlog::filename_t filename) { - spdlog::info("Before opening {}", filename); - }; - handlers.after_open = [](spdlog::filename_t filename, std::FILE *fstream) { - fputs("After opening\n", fstream); - }; - handlers.before_close = [](spdlog::filename_t filename, std::FILE *fstream) { - fputs("Before closing\n", fstream); - }; - handlers.after_close = [](spdlog::filename_t filename) { - spdlog::info("After closing {}", filename); - }; + handlers.before_open = [](spdlog::filename_t filename) { spdlog::info("Before opening {}", filename); }; + handlers.after_open = [](spdlog::filename_t filename, std::FILE *fstream) { fputs("After opening\n", fstream); }; + handlers.before_close = [](spdlog::filename_t filename, std::FILE *fstream) { fputs("Before closing\n", fstream); }; + handlers.after_close = [](spdlog::filename_t filename) { spdlog::info("After closing {}", filename); }; auto file_sink = std::make_shared("logs/events-sample.txt", true, handlers); - spdlog::logger my_logger("some_logger", file_sink); - // or + spdlog::logger my_logger("some_logger", file_sink); + // or // auto my_logger = spdlog::basic_logger_st("some_logger", "logs/events-sample.txt", true, handlers); my_logger.info("Some log line"); }