Re: [AD] warn_unused_result GCC attribute?

[Chris <chris.kcat@xxxxxxxxxx>]

AJ wrote:
> that is an option for the users compiled program no?
>
> how can you add a warn_unused to a library ?

Function and variable attributes are attached to the declarations, in 
the header files, just like the deprecated function attribute is currently.

> aren't many of them GCC specific ?

All of them are, unless MSVC decided to start supporting the 
__atribute__ construct. A few #if checks would be fine for that, just 
like with __attribute__((deprecated)).