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snprintf.c revision 1.2.16.1 
      1 /*	$NetBSD: snprintf.c,v 1.2.16.1 2007/12/07 17:33:52 yamt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)printf.c	8.1 (Berkeley) 6/11/93
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 #include <sys/types.h>
     36 #ifdef __STDC__
     37 #include <machine/stdarg.h>
     38 #else
     39 #include <machine/varargs.h>
     40 #endif
     41 
     42 #include "stand.h"
     43 
     44 int
     45 #ifdef __STDC__
     46 snprintf(char *buf, size_t size, const char *fmt, ...)
     47 #else
     48 snprintf(buf, size, fmt, va_alist)
     49 	char *buf, *fmt;
     50 	size_t size;
     51 #endif
     52 {
     53 	va_list ap;
     54 	int len;
     55 
     56 #ifdef __STDC__
     57 	va_start(ap, fmt);
     58 #else
     59 	va_start(ap);
     60 #endif
     61 	len = vsnprintf(buf, size, fmt, ap);
     62 	va_end(ap);
     63 	return len;
     64 }
     65