1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Copyright (c) 2011 The FreeBSD Foundation 8 * 9 * Portions of this software were developed by David Chisnall 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * This code is derived from software contributed to Berkeley by 13 * Donn Seeley at UUNET Technologies, Inc. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 3. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40 #if defined(LIBC_SCCS) && !defined(lint) 41 static char sccsid[] = "@(#)vsscanf.c 8.1 (Berkeley) 6/4/93"; 42 #endif /* LIBC_SCCS and not lint */ 43 #include <stdio.h> 44 #include <string.h> 45 #include "local.h" 46 #include "xlocale_private.h" 47 48 static int 49 eofread(void *, char *, int); 50 51 /* ARGSUSED */ 52 static int 53 eofread(void *cookie, char *buf, int len) 54 { 55 56 return (0); 57 } 58 59 int 60 vsscanf_l(const char * __restrict str, locale_t locale, 61 const char * __restrict fmt, __va_list ap) 62 { 63 FILE f = FAKE_FILE; 64 FIX_LOCALE(locale); 65 66 f._flags = __SRD; 67 f._bf._base = f._p = (unsigned char *)str; 68 f._bf._size = f._r = strlen(str); 69 f._read = eofread; 70 return (__svfscanf(&f, locale, fmt, ap)); 71 } 72 int 73 vsscanf(const char * __restrict str, const char * __restrict fmt, 74 __va_list ap) 75 { 76 return vsscanf_l(str, __get_locale(), fmt, ap); 77 } 78