Article View: comp.std.c
Article #858Passing a `va_list *'
From: Roland McGrath
Date: Fri, 27 Oct 1989 22:04
Date: Fri, 27 Oct 1989 22:04
25 lines
969 bytes
969 bytes
Is this kosher:
#include <stddef.h>
void foo(char *s, ...)
{
va_list args;
va_start(args, s);
bar(va_arg(args, double));
ack(&args);
ugh(va_arg(args, int));
va_end(args);
}
void ack(va_list *args)
{
blip(va_arg(args, int **));
}
I can't tell from the Standard. It works on machines where a `va_list' is a
pointer into the stack, but I don't know about other schemes.
--
Roland McGrath
Free Software Foundation, Inc.
roland@ai.mit.edu, uunet!ai.mit.edu!roland
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!gem.mps.ohio-state.edu!usc!apple!ames!pasteur!tully.Berkeley.EDU!mcgrath From: mcgrath@tully.Berkeley.EDU (Roland McGrath) Newsgroups: comp.std.c Subject: Passing a `va_list *' Message-ID: <MCGRATH.89Oct27150426@tully.Berkeley.EDU> Date: 27 Oct 89 22:04:26 GMT Sender: news@pasteur.Berkeley.EDU Organization: Hackers Anonymous International, Ltd., Inc. (Applications welcome) Lines: 25