2 * Copyright 2013 Garrett D'Amore <garrett@damore.org>
3 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
4 * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
9 * Paul Borman at Krystal Technologies.
11 * Copyright (c) 2011 The FreeBSD Foundation
12 * All rights reserved.
13 * Portions of this software were developed by David Chisnall
14 * under sponsorship from the FreeBSD Foundation.
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 #if defined(LIBC_SCCS) && !defined(lint)
42 static char sccsid[] = "@(#)none.c 8.1 (Berkeley) 6/4/93";
43 #endif /* LIBC_SCCS and not lint */
44 #include <sys/cdefs.h>
45 __FBSDID("$FreeBSD$");
57 static size_t _none_mbrtowc(wchar_t * __restrict, const char * __restrict,
58 size_t, mbstate_t * __restrict);
59 static int _none_mbsinit(const mbstate_t *);
60 static size_t _none_mbsnrtowcs(wchar_t * __restrict dst,
61 const char ** __restrict src, size_t nms, size_t len,
62 mbstate_t * __restrict ps __unused);
63 static size_t _none_wcrtomb(char * __restrict, wchar_t,
64 mbstate_t * __restrict);
65 static size_t _none_wcsnrtombs(char * __restrict, const wchar_t ** __restrict,
66 size_t, size_t, mbstate_t * __restrict);
71 int __mb_sb_limit = 256; /* Expected to be <= _CACHED_RUNES */
74 _none_init(struct xlocale_ctype *l, _RuneLocale *rl)
77 l->__mbrtowc = _none_mbrtowc;
78 l->__mbsinit = _none_mbsinit;
79 l->__mbsnrtowcs = _none_mbsnrtowcs;
80 l->__wcrtomb = _none_wcrtomb;
81 l->__wcsnrtombs = _none_wcsnrtombs;
84 l->__mb_sb_limit = 256;
89 _none_mbsinit(const mbstate_t *ps __unused)
93 * Encoding is not state dependent - we are always in the
100 _none_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
101 mbstate_t * __restrict ps __unused)
105 /* Reset to initial shift state (no-op) */
108 /* Incomplete multibyte sequence */
111 *pwc = (unsigned char)*s;
112 return (*s == '\0' ? 0 : 1);
116 _none_wcrtomb(char * __restrict s, wchar_t wc,
117 mbstate_t * __restrict ps __unused)
121 /* Reset to initial shift state (no-op) */
123 if (wc < 0 || wc > UCHAR_MAX) {
127 *s = (unsigned char)wc;
132 _none_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
133 size_t nms, size_t len, mbstate_t * __restrict ps __unused)
139 s = memchr(*src, '\0', nms);
140 return (s != NULL ? s - *src : nms);
145 while (len-- > 0 && nms-- > 0) {
146 if ((*dst++ = (unsigned char)*s++) == L'\0') {
157 _none_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
158 size_t nwc, size_t len, mbstate_t * __restrict ps __unused)
164 for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
165 if (*s < 0 || *s > UCHAR_MAX) {
175 while (len-- > 0 && nwc-- > 0) {
176 if (*s < 0 || *s > UCHAR_MAX) {
181 if ((*dst++ = *s++) == '\0') {
193 struct xlocale_ctype __xlocale_global_ctype = {
195 (_RuneLocale*)&_DefaultRuneLocale,
201 1, /* __mb_cur_max, */
202 256 /* __mb_sb_limit */
205 struct xlocale_ctype __xlocale_C_ctype = {
207 (_RuneLocale*)&_DefaultRuneLocale,
213 1, /* __mb_cur_max, */
214 256 /* __mb_sb_limit */