diff --git a/src/logging.h b/src/logging.h index 6400b131c..0c8e7f529 100644 --- a/src/logging.h +++ b/src/logging.h @@ -125,42 +125,31 @@ std::vector ListActiveLogCategories(); /** Return true if str parses as a log category and set the flag */ bool GetLogCategory(BCLog::LogFlags& flag, const std::string& str); -/** Get format string from VA_ARGS for error reporting */ -template std::string FormatStringFromLogArgs(const char *fmt, const Args&... args) { return fmt; } - -static inline void MarkUsed() {} -template static inline void MarkUsed(const T& t, const Args&... args) -{ - (void)t; - MarkUsed(args...); -} - // Be conservative when using LogPrintf/error or other things which // unconditionally log to debug.log! It should not be the case that an inbound // peer can fill up a user's disk with debug.log entries. -#ifdef USE_COVERAGE -#define LogPrintf(...) do { MarkUsed(__VA_ARGS__); } while(0) -#define LogPrint(category, ...) do { MarkUsed(__VA_ARGS__); } while(0) -#else -#define LogPrintf(...) do { \ - if (g_logger->Enabled()) { \ - std::string _log_msg_; /* Unlikely name to avoid shadowing variables */ \ - try { \ - _log_msg_ = tfm::format(__VA_ARGS__); \ - } catch (tinyformat::format_error &fmterr) { \ - /* Original format string will have newline so don't add one here */ \ - _log_msg_ = "Error \"" + std::string(fmterr.what()) + "\" while formatting log message: " + FormatStringFromLogArgs(__VA_ARGS__); \ - } \ - g_logger->LogPrintStr(_log_msg_); \ - } \ -} while(0) +template +static inline void LogPrintf(const char* fmt, const Args&... args) +{ + if (g_logger->Enabled()) { + std::string log_msg; + try { + log_msg = tfm::format(fmt, args...); + } catch (tinyformat::format_error& fmterr) { + /* Original format string will have newline so don't add one here */ + log_msg = "Error \"" + std::string(fmterr.what()) + "\" while formatting log message: " + fmt; + } + g_logger->LogPrintStr(log_msg); + } +} -#define LogPrint(category, ...) do { \ - if (LogAcceptCategory((category))) { \ - LogPrintf(__VA_ARGS__); \ - } \ -} while(0) -#endif +template +static inline void LogPrint(const BCLog::LogFlags& category, const Args&... args) +{ + if (LogAcceptCategory((category))) { + LogPrintf(args...); + } +} #endif // BITCOIN_LOGGING_H diff --git a/test/lint/lint-format-strings.py b/test/lint/lint-format-strings.py index 60389176c..2fb35fd8c 100755 --- a/test/lint/lint-format-strings.py +++ b/test/lint/lint-format-strings.py @@ -20,6 +20,7 @@ FALSE_POSITIVES = [ ("src/util.cpp", "strprintf(COPYRIGHT_HOLDERS, COPYRIGHT_HOLDERS_SUBSTITUTION)"), ("src/wallet/wallet.h", "WalletLogPrintf(std::string fmt, Params... parameters)"), ("src/wallet/wallet.h", "LogPrintf((\"%s \" + fmt).c_str(), GetDisplayName(), parameters...)"), + ("src/logging.h", "LogPrintf(const char* fmt, const Args&... args)"), ]