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Re: MIfying stdarg.h and dropping varargs.h
On Tue, Jul 12, 2011 at 06:55:57PM +0200, Joerg Sonnenberger wrote:
> - Drop varargs.h support. Pre-ANSI support is pretty pointless nowadays
> and it hasn't been supported by modern compilers for a long time.
>
> - Merge all the MD stdarg.h implementations into sys/stdarg.h.
> There are two major cases here:
> - lint, which is stupid and gets some fake implementation of the
> builtins.
> - Real compiler, which are supposed to provide the GCC 4.5 builtins.
> Compiler not visible as GCC 4.5 map __builtin_va_start to
> __builtin_stdarg_start.
This and the rest should be separate packages, don't you think?
> - Fix the _BSD_VA_LIST_ usage to actually define va_list in various
> places as required by POSIX.
>
> - Include sys/stdarg.h from sys/systm.h, it's used enough to simplify
> the kernel sources that way.
>
> - Stop abusing _BSD_VA_LIST_, just go with va_list directly, defining it
> as needed or including stdarg.h.
This breaks e.g. stdio.h, which is not allowed to define va_list.
--
David A. Holland
dholland%netbsd.org@localhost
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