2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright 2013 Garrett D'Amore <garrett@damore.org>
5 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
6 * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
8 * The Regents of the University of California. All rights reserved.
10 * This code is derived from software contributed to Berkeley by
11 * Paul Borman at Krystal Technologies.
13 * Copyright (c) 2011 The FreeBSD Foundation
14 * All rights reserved.
15 * Portions of this software were developed by David Chisnall
16 * under sponsorship from the FreeBSD Foundation.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. Neither the name of the University nor the names of its contributors
27 * may be used to endorse or promote products derived from this software
28 * without specific prior written permission.
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 #if defined(LIBC_SCCS) && !defined(lint)
44 static char sccsid[] = "@(#)none.c 8.1 (Berkeley) 6/4/93";
45 #endif /* LIBC_SCCS and not lint */
46 #include <sys/cdefs.h>
47 __FBSDID("$FreeBSD$");
59 static size_t _none_mbrtowc(wchar_t * __restrict, const char * __restrict,
60 size_t, mbstate_t * __restrict);
61 static int _none_mbsinit(const mbstate_t *);
62 static size_t _none_mbsnrtowcs(wchar_t * __restrict dst,
63 const char ** __restrict src, size_t nms, size_t len,
64 mbstate_t * __restrict ps __unused);
65 static size_t _none_wcrtomb(char * __restrict, wchar_t,
66 mbstate_t * __restrict);
67 static size_t _none_wcsnrtombs(char * __restrict, const wchar_t ** __restrict,
68 size_t, size_t, mbstate_t * __restrict);
73 int __mb_sb_limit = 256; /* Expected to be <= _CACHED_RUNES */
76 _none_init(struct xlocale_ctype *l, _RuneLocale *rl)
79 l->__mbrtowc = _none_mbrtowc;
80 l->__mbsinit = _none_mbsinit;
81 l->__mbsnrtowcs = _none_mbsnrtowcs;
82 l->__wcrtomb = _none_wcrtomb;
83 l->__wcsnrtombs = _none_wcsnrtombs;
86 l->__mb_sb_limit = 256;
91 _none_mbsinit(const mbstate_t *ps __unused)
95 * Encoding is not state dependent - we are always in the
102 _none_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
103 mbstate_t * __restrict ps __unused)
107 /* Reset to initial shift state (no-op) */
110 /* Incomplete multibyte sequence */
113 *pwc = (unsigned char)*s;
114 return (*s == '\0' ? 0 : 1);
118 _none_wcrtomb(char * __restrict s, wchar_t wc,
119 mbstate_t * __restrict ps __unused)
123 /* Reset to initial shift state (no-op) */
125 if (wc < 0 || wc > UCHAR_MAX) {
129 *s = (unsigned char)wc;
134 _none_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
135 size_t nms, size_t len, mbstate_t * __restrict ps __unused)
141 s = memchr(*src, '\0', nms);
142 return (s != NULL ? s - *src : nms);
147 while (len-- > 0 && nms-- > 0) {
148 if ((*dst++ = (unsigned char)*s++) == L'\0') {
159 _none_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
160 size_t nwc, size_t len, mbstate_t * __restrict ps __unused)
166 for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
167 if (*s < 0 || *s > UCHAR_MAX) {
177 while (len-- > 0 && nwc-- > 0) {
178 if (*s < 0 || *s > UCHAR_MAX) {
183 if ((*dst++ = *s++) == '\0') {
195 struct xlocale_ctype __xlocale_global_ctype = {
197 (_RuneLocale*)&_DefaultRuneLocale,
203 1, /* __mb_cur_max, */
204 256 /* __mb_sb_limit */
207 struct xlocale_ctype __xlocale_C_ctype = {
209 (_RuneLocale*)&_DefaultRuneLocale,
215 1, /* __mb_cur_max, */
216 256 /* __mb_sb_limit */