Patch: Re: glimits.h is not compatible with -traditional
Alexandre Oliva
aoliva@redhat.com
Fri Sep 1 18:15:00 GMT 2000
On Sep 1, 2000, "John David Anglin" <dave@hiauly1.hia.nrc.ca> wrote:
> +#ifdef __STDC__
> #define UINT_MAX (INT_MAX * 2U + 1)
> +#else
> +#define UINT_MAX ((unsigned)INT_MAX * 2 + 1)
> +#endif
I don't think there are equivalent. INT_MAX * 2 overflows. The right
fix would be `INT_MAX * (unsigned)2 + 1'. In any case, it wouldn't be
possible to use these macros as CPP constants; I'm not sure whether
this is required by the standards.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist *Please* write to mailing lists, not to me
More information about the Gcc-bugs
mailing list