Coming very late to the party, but I had to get a word in.
Quoted from Gus Wirth [08 Jan 2005]:
> I started by just commenting out the code jhriv suggested. The compile got
> a lot further but stopped when referring to function that va_alist as one
> of the arguments. I checked in stdio.h and couldn't find it but there was a
> va_list in stdvar.h which is gcc specific, but there was no va_alist.
But you could use <stdarg.h>, which is standard and not gcc-specific.
va_alist is used in pre-ANSI code to represent the ellipses, because
the latter was introduced in ANSI.
Pre-ANSI variadic functions used this:
#include <varargs.h>
int
printf(format, va_alist)
char *format;
va_dcl
{
va_list ap;
int ret;
va_start(ap);
ret = vprintf(format, ap);
va_end(ap);
return ret;
}
ANSI uses this:
#include <stdarg.h>
int
printf(char const *format, ...)
{
va_list ap;
int ret;
va_start(ap, format);
ret = vprintf(format, ap);
va_end(ap);
return ret;
}
> So the only change I had to do was comment out the superfluous
> re-declarations and then make it use its own varg.h. I don't know how I
> would change this to make it cross-platform friendly (solaris, hp-ux, etc)
> but it works for me.
Or, just convert everything to use stdarg.h, and then it's really
portable...at least on systems that support ANSI, which I suppose
is most every system these days.
Cheers,
---Chris K.
--
Chris, the Young One |_ If you can't afford a backup system, you can't
Auckland, New Zealand |_ afford to have important data on your computer.
http://cloud9.hedgee.com/ |_ ---Tracy R. Reed
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