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