Re: string.h uses restrict

[Eric Blake]

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According to Reuben Thomas on 3/18/2009 7:50 PM:
> string.h uses restrict, which doesn't work if the compiler is C89 (e.g.
> gcc in -std=c89 mode).
> 
> regex.h has some code to detect this case and allow for it; should
> string.h copy this code? Or should it be broken out into a module? (It
> would be useful to gnulib users too.)

The code is AC_C_RESTRICT; and since it is provided by autoconf, a gnulib
module just for restrict isn't really needed.  However, string.in.h only
uses restrict within: mempcpy, stpcpy, stpncpy, strsep, and strtok_r, all
of which, in the respective m4/*.m4 file, made a point to require
AC_C_RESTRICT.  Therefore, I can't see any bug where gnulib uses restrict
inappropriately with my glance through the code base.

Did you actually encounter a compilation failure where restrict was
improperly defined while using gnulib?  If so, how do we reproduce it?

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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