sprintf.c revision 16586
11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1990, 1993 31573Srgrimes * The Regents of the University of California. All rights reserved. 41573Srgrimes * 51573Srgrimes * This code is derived from software contributed to Berkeley by 61573Srgrimes * Chris Torek. 71573Srgrimes * 81573Srgrimes * Redistribution and use in source and binary forms, with or without 91573Srgrimes * modification, are permitted provided that the following conditions 101573Srgrimes * are met: 111573Srgrimes * 1. Redistributions of source code must retain the above copyright 121573Srgrimes * notice, this list of conditions and the following disclaimer. 131573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141573Srgrimes * notice, this list of conditions and the following disclaimer in the 151573Srgrimes * documentation and/or other materials provided with the distribution. 161573Srgrimes * 3. All advertising materials mentioning features or use of this software 171573Srgrimes * must display the following acknowledgement: 181573Srgrimes * This product includes software developed by the University of 191573Srgrimes * California, Berkeley and its contributors. 201573Srgrimes * 4. Neither the name of the University nor the names of its contributors 211573Srgrimes * may be used to endorse or promote products derived from this software 221573Srgrimes * without specific prior written permission. 231573Srgrimes * 241573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341573Srgrimes * SUCH DAMAGE. 351573Srgrimes */ 361573Srgrimes 371573Srgrimes#if defined(LIBC_SCCS) && !defined(lint) 3816586Sjraynard#if 0 391573Srgrimesstatic char sccsid[] = "@(#)sprintf.c 8.1 (Berkeley) 6/4/93"; 4016586Sjraynard#endif 4116586Sjraynardstatic const char rcsid[] = 4216586Sjraynard "$Id$"; 431573Srgrimes#endif /* LIBC_SCCS and not lint */ 441573Srgrimes 451573Srgrimes#include <stdio.h> 461573Srgrimes#if __STDC__ 471573Srgrimes#include <stdarg.h> 481573Srgrimes#else 491573Srgrimes#include <varargs.h> 501573Srgrimes#endif 511573Srgrimes#include <limits.h> 521573Srgrimes#include "local.h" 531573Srgrimes 5416586Sjraynardint 551573Srgrimes#if __STDC__ 561573Srgrimessprintf(char *str, char const *fmt, ...) 571573Srgrimes#else 581573Srgrimessprintf(str, fmt, va_alist) 591573Srgrimes char *str; 601573Srgrimes char *fmt; 611573Srgrimes va_dcl 621573Srgrimes#endif 631573Srgrimes{ 641573Srgrimes int ret; 651573Srgrimes va_list ap; 661573Srgrimes FILE f; 671573Srgrimes 6813545Sjulian f._file = -1; 691573Srgrimes f._flags = __SWR | __SSTR; 701573Srgrimes f._bf._base = f._p = (unsigned char *)str; 711573Srgrimes f._bf._size = f._w = INT_MAX; 721573Srgrimes#if __STDC__ 731573Srgrimes va_start(ap, fmt); 741573Srgrimes#else 751573Srgrimes va_start(ap); 761573Srgrimes#endif 771573Srgrimes ret = vfprintf(&f, fmt, ap); 781573Srgrimes va_end(ap); 791573Srgrimes *f._p = 0; 801573Srgrimes return (ret); 811573Srgrimes} 82