1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Copyright (c) 2011 The FreeBSD Foundation 6 * All rights reserved. 7 * Portions of this software were developed by David Chisnall 8 * under sponsorship from the FreeBSD Foundation. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Donn Seeley at UUNET Technologies, Inc. 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 * @(#)vsscanf.c 8.1 (Berkeley) 6/4/93 38 * $FreeBSD: head/lib/libc/stdio/vsscanf.c 249808 2013-04-23 13:33:13Z emaste $ 39 */ 40 41 #include <stdio.h> 42 #include <string.h> 43 #include <pthread.h> /* for FAKE_FILE PTHREAD_MUTEX_INITIALIZER */ 44 #include "local.h" 45 #include "xlocale_private.h" 46 47 static int 48 eofread(void *, char *, int); 49 50 /* ARGSUSED */ 51 static int 52 eofread(void *cookie __unused, char *buf __unused, int len __unused) 53 { 54 55 return (0); 56 } 57 58 int 59 vsscanf_l(const char * __restrict str, locale_t locale, 60 const char * __restrict fmt, __va_list ap) 61 { 62 FILE f = FAKE_FILE; 63 FIX_LOCALE(locale); 64 65 f.pub._flags = __SRD; 66 f._bf._base = f.pub._p = (unsigned char *)str; 67 f._bf._size = f.pub._r = strlen(str); 68 f._read = eofread; 69 return (__svfscanf(&f, locale, fmt, ap)); 70 } 71 int 72 vsscanf(const char * __restrict str, const char * __restrict fmt, 73 __va_list ap) 74 { 75 return vsscanf_l(str, __get_locale(), fmt, ap); 76 } 77