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/*
* 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"
int
vsnprint(char *buf, int len, char *fmt, va_list args)
{
Fmt f;
if(len <= 0)
return -1;
f.runes = 0;
f.start = buf;
f.to = buf;
f.stop = buf + len - 1;
f.flush = 0;
f.farg = nil;
f.nfmt = 0;
VA_COPY(f.args,args);
fmtlocaleinit(&f, nil, nil, nil);
dofmt(&f, fmt);
VA_END(f.args);
*(char*)f.to = '\0';
return (char*)f.to - buf;
}
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