Re: [boost] [spirit] Causes a blizzard of warning from Boost.Formatunder MSVC?

From: John Maddock (john_at_[hidden])
Date: 2007-12-15 12:47:51

Richard Webb wrote:
> If you're looking at silencing warnings from Format, is there any
> chance you could look at http://svn.boost.org/trac/boost/ticket/1510
> ? It can produce some pretty substantial warnings as well.

Hopefully now done.

> On another note (and i apologize for the noise in advance if i'm
> making things up here) - when i looked at the call stack for the
> warnings, i noticed
>
> void raise_error(const char* function, const char* message, const T&
> val) {
>  if(function == 0)
>       function = "Unknown function";
> ...
>  msg += (boost::format(function) % typeid(T).name()).str();
>
> in math\error_handling.hpp
> Does that need to be something like
>       function = "Unknown function %1%";
> For the format call to work?

Quite right: there were a couple of other instances where that was wrong as 
well: now fixed in SVN.  Fortunately none of our code ever calls that 
function with a NULL-pointer, but it doesn't harm to have a working fallback 
in that case!

Thanks, good spot, John.