1*e34cb67cStb /* $OpenBSD: sprintf.c,v 1.19 2017/11/28 06:55:49 tb Exp $ */
2df930be7Sderaadt /*-
3df930be7Sderaadt * Copyright (c) 1990, 1993
4df930be7Sderaadt * The Regents of the University of California. All rights reserved.
5df930be7Sderaadt *
6df930be7Sderaadt * This code is derived from software contributed to Berkeley by
7df930be7Sderaadt * Chris Torek.
8df930be7Sderaadt *
9df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
10df930be7Sderaadt * modification, are permitted provided that the following conditions
11df930be7Sderaadt * are met:
12df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
13df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
14df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
15df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
16df930be7Sderaadt * documentation and/or other materials provided with the distribution.
176580fee3Smillert * 3. Neither the name of the University nor the names of its contributors
18df930be7Sderaadt * may be used to endorse or promote products derived from this software
19df930be7Sderaadt * without specific prior written permission.
20df930be7Sderaadt *
21df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31df930be7Sderaadt * SUCH DAMAGE.
32df930be7Sderaadt */
33df930be7Sderaadt
34df930be7Sderaadt #include <stdio.h>
35ffd953dfSespie #include <string.h>
36df930be7Sderaadt #include <stdarg.h>
37df930be7Sderaadt #include <limits.h>
38df930be7Sderaadt #include "local.h"
39df930be7Sderaadt
40a177c125Sderaadt #if defined(APIWARN)
41a177c125Sderaadt __warn_references(sprintf,
42*e34cb67cStb "sprintf() is often misused, please use snprintf()");
43a177c125Sderaadt #endif
44a177c125Sderaadt
45df930be7Sderaadt int
sprintf(char * str,const char * fmt,...)469e895940Spat sprintf(char *str, const char *fmt, ...)
47df930be7Sderaadt {
48df930be7Sderaadt int ret;
49df930be7Sderaadt va_list ap;
50df930be7Sderaadt FILE f;
51685aea3cSespie struct __sfileext fext;
52df930be7Sderaadt
53685aea3cSespie _FILEEXT_SETUP(&f, &fext);
54a4a741f7Smillert f._file = -1;
55df930be7Sderaadt f._flags = __SWR | __SSTR;
56df930be7Sderaadt f._bf._base = f._p = (unsigned char *)str;
57df930be7Sderaadt f._bf._size = f._w = INT_MAX;
58df930be7Sderaadt va_start(ap, fmt);
59c5acf43aSkurt ret = __vfprintf(&f, fmt, ap);
60df930be7Sderaadt va_end(ap);
61a4a741f7Smillert *f._p = '\0';
62df930be7Sderaadt return (ret);
63df930be7Sderaadt }
64