sscanf.c revision 1.7
1/* $NetBSD: sscanf.c,v 1.7 1996/03/29 23:29:25 jtc 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#if defined(LIBC_SCCS) && !defined(lint) 40#if 0 41static char sccsid[] = "@(#)sscanf.c 8.1 (Berkeley) 6/4/93"; 42#endif 43static char rcsid[] = "$NetBSD: sscanf.c,v 1.7 1996/03/29 23:29:25 jtc Exp $"; 44#endif /* LIBC_SCCS and not lint */ 45 46#include <stdio.h> 47#include <string.h> 48#if __STDC__ 49#include <stdarg.h> 50#else 51#include <varargs.h> 52#endif 53#include "local.h" 54 55/* ARGSUSED */ 56static int 57eofread(cookie, buf, len) 58 void *cookie; 59 char *buf; 60 int len; 61{ 62 63 return (0); 64} 65 66int 67#if __STDC__ 68sscanf(const char *str, char const *fmt, ...) 69#else 70sscanf(str, fmt, va_alist) 71 const char *str; 72 char *fmt; 73 va_dcl 74#endif 75{ 76 int ret; 77 va_list ap; 78 FILE f; 79 80 f._flags = __SRD; 81 f._bf._base = f._p = (unsigned char *)str; 82 f._bf._size = f._r = strlen(str); 83 f._read = eofread; 84 f._ub._base = NULL; 85 f._lb._base = NULL; 86#if __STDC__ 87 va_start(ap, fmt); 88#else 89 va_start(ap); 90#endif 91 ret = __svfscanf(&f, fmt, ap); 92 va_end(ap); 93 return (ret); 94} 95