On Tue 2019-07-30 22:35:18, Joe Perches wrote: > Reserve the pseudo keyword 'fallthrough' for the ability to convert the > various case block /* fallthrough */ style comments to appear to be an > actual reserved word with the same gcc case block missing fallthrough > warning capability.
Acked-by: Pavel Machek <pa...@ucw.cz> > +/* > + * Add the pseudo keyword 'fallthrough' so case statement blocks > + * must end with any of these keywords: > + * break; > + * fallthrough; > + * goto <label>; > + * return [expression]; > + * > + * gcc: > https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html#Statement-Attributes > + */ > +#if __has_attribute(__fallthrough__) > +# define fallthrough __attribute__((__fallthrough__)) > +#else > +# define fallthrough do {} while (0) /* fallthrough */ > +#endif > + Will various checkers (and gcc) recognize, that comment in a macro, and disable the warning accordingly? Explanation that the comment is "magic" might not be a bad idea. Thanks, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
signature.asc
Description: Digital signature
