/*
* The authors of this software are Rob Pike and Ken Thompson,
* with contributions from Mike Burrows and Sean Dorward.
*
* Copyright (c) 2002-2006 by Lucent Technologies.
* Portions Copyright (c) 2004 Google Inc.
*
* 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
* NOR GOOGLE INC 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.
* Flags, precision and width are preserved.
*/
int
fmtvprint(Fmt *f, char *fmt, va_list args)
{
va_list va;
int n, w, p;
unsigned long fl;
w = f->width;
p = f->prec;
fl = f->flags;
VA_COPY(va, f->args);
VA_END(f->args);
VA_COPY(f->args, args);
n = dofmt(f, fmt);
VA_END(f->args);
VA_COPY(f->args, va);
VA_END(va);
f->width = w;
f->prec = p;
f->flags = fl;
if(n >= 0)
return 0;
return n;
}