[cfe-commits] [PATCH] 7571: stddef.h and wint_t

[Zhongxing Xu]

Could this patch go in?

On Fri, Jul 9, 2010 at 4:10 PM, Jay Foad <jay.foad at gmail.com> wrote:
> http://llvm.org/bugs/show_bug.cgi?id=7571
>
> On Ubuntu I get:
>
> $ cat c.c
> #include <stddef.h>
> #include <wctype.h>
> $ clang -c c.c
> In file included from c.c:2:
> /usr/include/wctype.h:112:22: error: unknown type name 'wint_t'
> extern int iswalnum (wint_t __wc) __THROW;
>                     ^
> ...
>
> The problem is that Clang's stddef.h only defines win_t if
> __need_wint_t is defined the *first* time stddef.h is included.
> Glibc's wctype.h does this:
>
> /* Get wint_t from <stddef.h>.  */
> # define __need_wint_t
> # include <stddef.h>
>
> but that doesn't work if stddef.h has been included previously.
>
> I've attached a suggested fix.
>
> Thanks,
> Jay.
>
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