SPDLOG_TRACE to check log level before calling the logger

include/spdlog/common.h

@@ -60,9 +60,9 @@
 #endif //__builtin_strrchr not defined
 
 #ifdef _WIN32
-#define SPDLOG_FILE_BASENAME SPDLOG_STRRCHR("\\" __FILE__, '\\') + 1
+#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("\\" file, '\\') + 1
 #else
-#define SPDLOG_FILE_BASENAME SPDLOG_STRRCHR("/" __FILE__, '/') + 1
+#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("/" file, '/') + 1
 #endif
 
 namespace spdlog {

include/spdlog/spdlog.h

@@ -314,7 +314,9 @@ inline void critical(const wchar_t *fmt, const Args &... args)
 //
 
 #if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_TRACE
-#define SPDLOG_LOGGER_TRACE(logger, ...) logger->log(spdlog::source_loc{SPDLOG_FILE_BASENAME, __LINE__}, spdlog::level::trace, __VA_ARGS__)
+#define SPDLOG_LOGGER_TRACE(logger, ...)\
+    if(logger->should_log(spdlog::level::trace))\
+        logger->log(spdlog::source_loc{SPDLOG_FILE_BASENAME(__FILE__), __LINE__}, spdlog::level::trace, __VA_ARGS__)
 #define SPDLOG_TRACE(...) SPDLOG_LOGGER_TRACE(spdlog::default_logger_raw(), __VA_ARGS__)
 #else
 #define SPDLOG_LOGGER_TRACE(logger, ...) (void)0