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 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34#if 0 35#if defined(LIBC_SCCS) && !defined(lint) 36static char sccsid[] = "@(#)vsscanf.c 8.1 (Berkeley) 6/4/93"; 37#endif /* LIBC_SCCS and not lint */ 38__FBSDID("FreeBSD: src/lib/libc/stdio/vsscanf.c,v 1.11 2002/08/21 16:19:57 mike Exp "); 39#endif 40__FBSDID("$FreeBSD: src/lib/libc/stdio/vswscanf.c,v 1.6 2009/01/15 18:53:52 rdivacky Exp $"); 41 42#include "xlocale_private.h" 43 44#include <limits.h> 45#include <stdarg.h> 46#include <stdio.h> 47#include <stdlib.h> 48#include <string.h> 49#include <wchar.h> 50#include "local.h" 51 52static int eofread(void *, char *, int); 53 54static int 55eofread(void *cookie, char *buf, int len) 56{ 57 58 return (0); 59} 60 61int 62vswscanf_l(const wchar_t * __restrict str, locale_t loc, const wchar_t * __restrict fmt, 63 va_list ap) 64{ 65 static const mbstate_t initial; 66 mbstate_t mbs; 67 FILE f; 68 char *mbstr; 69 size_t mlen; 70 int r; 71 const wchar_t *strp; 72 struct __sFILEX ext; 73 f._extra = &ext; 74 INITEXTRA(&f); 75 76 NORMALIZE_LOCALE(loc); 77 /* 78 * XXX Convert the wide character string to multibyte, which 79 * __vfwscanf() will convert back to wide characters. 80 */ 81 if ((mbstr = malloc(wcslen(str) * MB_CUR_MAX_L(loc) + 1)) == NULL) 82 return (EOF); 83 mbs = initial; 84 strp = str; 85 if ((mlen = wcsrtombs_l(mbstr, &strp, SIZE_T_MAX, &mbs, loc)) == (size_t)-1) { 86 free(mbstr); 87 return (EOF); 88 } 89 f._file = -1; 90 f._flags = __SRD; 91 f._bf._base = f._p = (unsigned char *)mbstr; 92 f._bf._size = f._r = mlen; 93 f._read = eofread; 94 f._ub._base = NULL; 95 f._lb._base = NULL; 96 f._orientation = 0; 97 memset(&f._mbstate, 0, sizeof(mbstate_t)); 98 r = __vfwscanf(&f, loc, fmt, ap); 99 free(mbstr); 100 101 return (r); 102} 103 104int 105vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict fmt, 106 va_list ap) 107{ 108 return vswscanf_l(str, __current_locale(), fmt, ap); 109} 110 111