ref: 5572ebf9ed54fa7d53480e8119bf10205dc5298b
dir: /libc/fmtvprint.c/
/*
* The authors of this software are Rob Pike and Ken Thompson.
* Copyright (c) 2002 by Lucent Technologies.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
* ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
#include <u.h>
#include <libc.h>
#include "fmtdef.h"
/*
* format a string into the output buffer
* designed for formats which themselves call fmt,
* but ignore any width flags
*/
int
fmtvprint(Fmt *f, char *fmt, va_list args)
{
va_list va;
int n;
f->flags = 0;
f->width = 0;
f->prec = 0;
VA_COPY(va,f->args);
VA_END(f->args);
VA_COPY(f->args,args);
n = dofmt(f, fmt);
f->flags = 0;
f->width = 0;
f->prec = 0;
VA_END(f->args);
VA_COPY(f->args,va);
VA_END(va);
if(n >= 0)
return 0;
return n;
}