snprintf.c revision 1.3.52.1
1 1.3.52.1 mjf /* $NetBSD: snprintf.c,v 1.3.52.1 2007/12/08 18:20:56 mjf 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 1.3.52.1 mjf return len; 64 1.1 pk } 65
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