Re: [boost] [log] Filter bug (Andrey? :)

From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2008-08-20 13:46:17

Boris wrote:
> Andrey,
> 
> can you tell me why the following program writes the second message?
> 
> ----------

[snip]

> boost::log::sources::severity_logger logger;
> 
> int main()
> {

[snip]

> boost::log::logging_core::get()->set_filter(boost::log::filters::attr<int>("Severity")
> < warn);
> 
> BOOST_LOG(logger) << "second message"; // Why is this message written??
> }
> ----------
> 
> The first message is not written as the severity level warn is greater
> than info. However for the second message the default severity level
> info is smaller than warn. Thus I would expect the second message is not
> written either? Is this a bug?

The default severity will be 0, since the logger is default-constructed.
And since you set the filter to pass everything with level below warn
(which is 1), the second message passes the filter.