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 1.3 2003/11/12 20:21:25 eirikn Exp $ 39 */ 40 41 #include <stdio.h> 42 #include <string.h> 43 #if __STDC__ 44 #include <stdarg.h> 45 #else 46 #include <varargs.h> 47 #endif 48 #include "local.h" 49 50 static int eofread (void *, char *, int); 51 52 /* ARGSUSED */ 53 static int 54 eofread(cookie, buf, len) 55 void *cookie; 56 char *buf; 57 int len; 58 { 59 60 return (0); 61 } 62 63 #if __STDC__ 64 int 65 sscanf(const char *str, char const *fmt, ...) 66 #else 67 int 68 sscanf(str, fmt, va_alist) 69 char *str; 70 char *fmt; 71 va_dcl 72 #endif 73 { 74 int ret; 75 va_list ap; 76 FILE f; 77 78 f._file = -1; 79 f._flags = __SRD; 80 f._bf._base = f._p = (unsigned char *)str; 81 f._bf._size = f._r = strlen(str); 82 f._read = eofread; 83 f._ub._base = NULL; 84 f._lb._base = NULL; 85 #if __STDC__ 86 va_start(ap, fmt); 87 #else 88 va_start(ap); 89 #endif 90 ret = __svfscanf(&f, fmt, ap); 91 va_end(ap); 92 return (ret); 93 } 94