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 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)sscanf.c 8.1 (Berkeley) 6/4/93 37 * $FreeBSD: src/lib/libc/stdio/sscanf.c,v 1.6 1999/08/28 00:01:17 peter Exp $ 38 * $DragonFly: src/lib/libc/stdio/sscanf.c,v 1.9 2006/03/02 18:05:30 joerg Exp $ 39 */ 40 41 #include <stdio.h> 42 #include <string.h> 43 #include <stdarg.h> 44 45 #include "local.h" 46 #include "priv_stdio.h" 47 48 static int 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 sscanf(const char *str, char const *fmt, ...) 60 { 61 int ret; 62 va_list ap; 63 FILE f; 64 65 f.pub._fileno = -1; 66 f.pub._flags = __SRD; 67 f._bf._base = f.pub._p = (unsigned char *)str; 68 f._bf._size = f.pub._r = strlen(str); 69 f._read = eofread; 70 f._ub._base = NULL; 71 f._lb._base = NULL; 72 f._up = NULL; 73 f.fl_mutex = PTHREAD_MUTEX_INITIALIZER; 74 f.fl_owner = NULL; 75 f.fl_count = 0; 76 memset(WCIO_GET(&f), 0, sizeof(struct wchar_io_data)); 77 va_start(ap, fmt); 78 ret = __svfscanf(&f, fmt, ap); 79 va_end(ap); 80 return (ret); 81 } 82