bug#32189: 27.0.50; GCC 7 warning due to -Wformat-truncation=2

[Ken Brown]

On 7/20/2018 10:17 AM, Eli Zaretskii wrote:
> > Cc: p.stephani2@gmail.com, 32189@debbugs.gnu.org
> > From: Ken Brown <kbrown@cornell.edu>
> > Date: Fri, 20 Jul 2018 09:49:39 -0400
> >
> > ../../master/src/w32cygwinx.c: In function ‘format_string’:
> > ../../master/src/w32cygwinx.c:32:3: warning: function ‘format_string’
> > might be a candidate for ‘gnu_printf’ format attribute
> > [-Wsuggest-attribute=format]
> >      Lisp_Object str = vformat_string (format, args);
> >      ^~~~~~~~~~~
>
> We do this with vformat_string:
>
>    extern Lisp_Object vformat_string (const char *, va_list)
>      ATTRIBUTE_FORMAT_PRINTF (1, 0);
>
> So I guess this new function needs a similar treatment.

Amended patch attached.

Ken

0001-Simplify-w32cygwinx.c-and-pacify-GCC-Bug-32189.patch
Description: Text document