stdio/vsscanf-fbsd.c

   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  * Donn Seeley at UUNET Technologies, Inc.
   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
  37 #if defined(LIBC_SCCS) && !defined(lint)
  38 static char sccsid[] = "@(#)vsscanf.c   8.1 (Berkeley) 6/4/93";
  39 #endif /* LIBC_SCCS and not lint */
  40 #include <sys/cdefs.h>
  41 __FBSDID("$FreeBSD: src/lib/libc/stdio/vsscanf.c,v 1.12 2002/10/12 16:13:41 mike Exp $");
  42
  43 #include "xlocale_private.h"
  44
  45 #include <stdio.h>
  46 #include <string.h>
  47 #include "local.h"
  48
  49 static int
  50 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 int
  64 vsscanf(str, fmt, ap)
  65         const char * __restrict str;
  66         const char * __restrict fmt;
  67         __va_list ap;
  68 {
  69         FILE f;
  70         struct __sFILEX ext;
  71
  72         f._file = -1;
  73         f._flags = __SRD;
  74         f._bf._base = f._p = (unsigned char *)str;
  75         f._bf._size = f._r = strlen(str);
  76         f._read = eofread;
  77         f._ub._base = NULL;
  78         f._lb._base = NULL;
  79         f._extra = &ext;
  80         INITEXTRA(&f);
  81         return (__svfscanf_l(&f, __current_locale(), fmt, ap));
  82 }
  83
  84 int
  85 vsscanf_l(str, loc, fmt, ap)
  86         const char * __restrict str;
  87         locale_t loc;
  88         const char * __restrict fmt;
  89         __va_list ap;
  90 {
  91         FILE f;
  92         struct __sFILEX ext;
  93
  94         NORMALIZE_LOCALE(loc);
  95         f._file = -1;
  96         f._flags = __SRD;
  97         f._bf._base = f._p = (unsigned char *)str;
  98         f._bf._size = f._r = strlen(str);
  99         f._read = eofread;
 100         f._ub._base = NULL;
 101         f._lb._base = NULL;
 102         f._extra = &ext;
 103         INITEXTRA(&f);
 104         return (__svfscanf_l(&f, loc, fmt, ap));
 105 }