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snprintf.c revision 1.4 
      1  1.4  isaki /*	$NetBSD: snprintf.c,v 1.4 2007/11/24 13:20:57 isaki Exp $	*/
      2  1.1     pk 
      3  1.1     pk /*-
      4  1.1     pk  * Copyright (c) 1993
      5  1.1     pk  *	The Regents of the University of California.  All rights reserved.
      6  1.1     pk  *
      7  1.1     pk  * Redistribution and use in source and binary forms, with or without
      8  1.1     pk  * modification, are permitted provided that the following conditions
      9  1.1     pk  * are met:
     10  1.1     pk  * 1. Redistributions of source code must retain the above copyright
     11  1.1     pk  *    notice, this list of conditions and the following disclaimer.
     12  1.1     pk  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1     pk  *    notice, this list of conditions and the following disclaimer in the
     14  1.1     pk  *    documentation and/or other materials provided with the distribution.
     15  1.2    agc  * 3. Neither the name of the University nor the names of its contributors
     16  1.1     pk  *    may be used to endorse or promote products derived from this software
     17  1.1     pk  *    without specific prior written permission.
     18  1.1     pk  *
     19  1.1     pk  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  1.1     pk  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  1.1     pk  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  1.1     pk  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  1.1     pk  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  1.1     pk  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  1.1     pk  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  1.1     pk  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  1.1     pk  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  1.1     pk  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  1.1     pk  * SUCH DAMAGE.
     30  1.1     pk  *
     31  1.1     pk  *	@(#)printf.c	8.1 (Berkeley) 6/11/93
     32  1.1     pk  */
     33  1.1     pk 
     34  1.1     pk #include <sys/cdefs.h>
     35  1.1     pk #include <sys/types.h>
     36  1.1     pk #ifdef __STDC__
     37  1.1     pk #include <machine/stdarg.h>
     38  1.1     pk #else
     39  1.1     pk #include <machine/varargs.h>
     40  1.1     pk #endif
     41  1.1     pk 
     42  1.1     pk #include "stand.h"
     43  1.1     pk 
     44  1.1     pk int
     45  1.1     pk #ifdef __STDC__
     46  1.1     pk snprintf(char *buf, size_t size, const char *fmt, ...)
     47  1.1     pk #else
     48  1.1     pk snprintf(buf, size, fmt, va_alist)
     49  1.1     pk 	char *buf, *fmt;
     50  1.1     pk 	size_t size;
     51  1.1     pk #endif
     52  1.1     pk {
     53  1.1     pk 	va_list ap;
     54  1.1     pk 	int len;
     55  1.1     pk 
     56  1.1     pk #ifdef __STDC__
     57  1.1     pk 	va_start(ap, fmt);
     58  1.1     pk #else
     59  1.1     pk 	va_start(ap);
     60  1.1     pk #endif
     61  1.1     pk 	len = vsnprintf(buf, size, fmt, ap);
     62  1.1     pk 	va_end(ap);
     63  1.4  isaki 	return len;
     64  1.1     pk }
     65