-Wconversion

[Ian Lance Taylor]

Steven J Abner <tauvan@starpower.net> writes:

>     I would like to use -Wconversion in building, however I've
> searched to find a way (like #pragma unused) to shut of the warning
> for a specific case.
>     Example:
> warning: passing arg 2 of 'chmod' with different width due to prototype
>     I'm satisfied that there is no problem, so for the function or the
> location or completed source file that uses 'chmod' I'd like to stop
> the warning, but use a blanket flag -Wconversion for any new code
> created within a project or that source file.
>     Is this possible? or is what I'm asking defeating the purpose? Is
> there a directive that I can place at the head of the source file that
> can be removed if new code is added?

Use typecasts: chmod ("foo", (mode_t) x);

Ian