scanf.c revision 227753
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 * 4. 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 38#if defined(LIBC_SCCS) && !defined(lint) 39static char sccsid[] = "@(#)scanf.c 8.1 (Berkeley) 6/4/93"; 40#endif /* LIBC_SCCS and not lint */ 41#include <sys/cdefs.h> 42__FBSDID("$FreeBSD: head/lib/libc/stdio/scanf.c 227753 2011-11-20 14:45:42Z theraven $"); 43 44#include "namespace.h" 45#include <stdio.h> 46#include <stdarg.h> 47#include "un-namespace.h" 48#include "libc_private.h" 49#include "local.h" 50#include "xlocale_private.h" 51 52int 53scanf(char const * __restrict fmt, ...) 54{ 55 int ret; 56 va_list ap; 57 58 va_start(ap, fmt); 59 FLOCKFILE(stdin); 60 ret = __svfscanf(stdin, __get_locale(), fmt, ap); 61 FUNLOCKFILE(stdin); 62 va_end(ap); 63 return (ret); 64} 65int 66scanf_l(locale_t locale, char const * __restrict fmt, ...) 67{ 68 int ret; 69 va_list ap; 70 FIX_LOCALE(locale); 71 72 va_start(ap, fmt); 73 FLOCKFILE(stdin); 74 ret = __svfscanf(stdin, locale, fmt, ap); 75 FUNLOCKFILE(stdin); 76 va_end(ap); 77 return (ret); 78} 79