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Add warn function

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This commit is contained in:
Eelco Dolstra 2017-04-12 14:53:10 +02:00
parent 31cc9366fc
commit 6d97d81656
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2 changed files with 16 additions and 1 deletions
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10
src/libutil/logging.hh
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@ -30,6 +30,8 @@ public:
log(lvlInfo, fs);
}
virtual void warn(const std::string & msg);
virtual void setExpected(const std::string & label, uint64_t value = 1) { }
virtual void setProgress(const std::string & label, uint64_t value = 1) { }
virtual void incExpected(const std::string & label, uint64_t value = 1) { }
@ -82,6 +84,14 @@ extern Verbosity verbosity; /* suppress msgs > this */
#define debug(args...) printMsg(lvlDebug, args)
#define vomit(args...) printMsg(lvlVomit, args)
template<typename... Args>
inline void warn(const std::string & fs, Args... args)
{
boost::format f(fs);
formatHelper(f, args...);
logger->warn(f.str());
}
void warnOnce(bool & haveWarned, const FormatOrString & fs);
void writeToStderr(const string & s);