1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Chris Torek. 7 * 8 * Copyright (c) 2011 The FreeBSD Foundation 9 * All rights reserved. 10 * Portions of this software were developed by David Chisnall 11 * under sponsorship from the FreeBSD Foundation. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)vsprintf.c 8.1 (Berkeley) 6/4/93 38 * $FreeBSD: head/lib/libc/stdio/vsprintf.c 249808 2013-04-23 13:33:13Z emaste $ 39 */ 40 41 42 #include <stdio.h> 43 #include <limits.h> 44 #include <pthread.h> /* for FAKE_FILE PTHREAD_MUTEX_INITIALIZER */ 45 #include "local.h" 46 #include "xlocale_private.h" 47 48 int 49 vsprintf_l(char * __restrict str, locale_t locale, 50 const char * __restrict fmt, __va_list ap) 51 { 52 int ret; 53 FILE f = FAKE_FILE; 54 FIX_LOCALE(locale); 55 56 f.pub._flags = __SWR | __SSTR; 57 f._bf._base = f.pub._p = (unsigned char *)str; 58 f._bf._size = f.pub._w = INT_MAX; 59 ret = __vfprintf(&f, locale, fmt, ap); 60 *f.pub._p = 0; 61 return (ret); 62 } 63 int 64 vsprintf(char * __restrict str, const char * __restrict fmt, __va_list ap) 65 { 66 return vsprintf_l(str, __get_locale(), fmt, ap); 67 } 68