1 /* $NetBSD: sscanf.c,v 1.13 2002/05/26 14:44:00 wiz Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Chris Torek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 #if defined(LIBC_SCCS) && !defined(lint) 41 #if 0 42 static char sccsid[] = "@(#)sscanf.c 8.1 (Berkeley) 6/4/93"; 43 #else 44 __RCSID("$NetBSD: sscanf.c,v 1.13 2002/05/26 14:44:00 wiz Exp $"); 45 #endif 46 #endif /* LIBC_SCCS and not lint */ 47 48 #include <assert.h> 49 #include <errno.h> 50 #include <stdarg.h> 51 #include <stdio.h> 52 #include <string.h> 53 54 #include "local.h" 55 56 static int eofread __P((void *, char *, int)); 57 58 /* ARGSUSED */ 59 static int 60 eofread(cookie, buf, len) 61 void *cookie; 62 char *buf; 63 int len; 64 { 65 66 return (0); 67 } 68 69 int 70 sscanf(const char *str, char const *fmt, ...) 71 { 72 int ret; 73 va_list ap; 74 FILE f; 75 struct __sfileext fext; 76 77 _DIAGASSERT(str != NULL); 78 _DIAGASSERT(fmt != NULL); 79 80 _FILEEXT_SETUP(&f, &fext); 81 f._flags = __SRD; 82 /* LINTED we don't touch the string */ 83 f._bf._base = f._p = (unsigned char *)str; 84 f._bf._size = f._r = strlen(str); 85 f._read = eofread; 86 _UB(&f)._base = NULL; 87 f._lb._base = NULL; 88 va_start(ap, fmt); 89 ret = __svfscanf(&f, fmt, ap); 90 va_end(ap); 91 return (ret); 92 } 93