diff options
Diffstat (limited to 'src/libutil/logging.hh')
| -rw-r--r-- | src/libutil/logging.hh | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/libutil/logging.hh b/src/libutil/logging.hh index 277dff280..ba99a81c3 100644 --- a/src/libutil/logging.hh +++ b/src/libutil/logging.hh @@ -66,14 +66,19 @@ Logger * makeDefaultLogger(); extern Verbosity verbosity; /* suppress msgs > this */ -#define printMsg(level, f) \ +/* Print a message if the current log level is at least the specified + level. Note that this has to be implemented as a macro to ensure + that the arguments are evaluated lazily. */ +#define printMsg(level, args...) \ do { \ if (level <= nix::verbosity) { \ - logger->log(level, (f)); \ + logger->log(level, fmt(args)); \ } \ } while (0) -#define debug(f) printMsg(lvlDebug, f) +#define printError(args...) printMsg(lvlError, args) +#define printInfo(args...) printMsg(lvlInfo, args) +#define debug(args...) printMsg(lvlDebug, args) void warnOnce(bool & haveWarned, const FormatOrString & fs); |