Messages in this thread | | | Subject | Re: [RFC PATCH] compiler_attributes.h: Add 'fallthrough' pseudo keyword for switch/case use | From | Joe Perches <> | Date | Thu, 01 Aug 2019 00:52:06 -0700 |
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On Wed, 2019-07-31 at 23:10 -0700, hpa@zytor.com wrote: > On July 31, 2019 4:55:47 PM PDT, Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> wrote: > > On Wed, Jul 31, 2019 at 11:01 PM <hpa@zytor.com> wrote: > > > The standard is moving toward adding this as an attribute with the > > [[fallthrough]] syntax; it is in C++17, not sure when it will be in C > > be if it isn't already. > > > > Not yet, but it seems to be coming: > > > > http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2268.pdf > > > > However, even if C2x gets it, it will be quite a while until the GCC > > minimum version gets bumped up to that, so... > > > > Cheers, > > Miguel > > The point was that we should plan ahead in whatever we end up doing.
Using a local keyword will allow any compiler to work successfully.
It's pretty simple to modify this to something like
#define fallback [[fallback]]
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