2 * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
7 * Paul Borman at Krystal Technologies.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #if defined(LIBC_SCCS) && !defined(lint)
39 static char sccsid[] = "@(#)none.c 8.1 (Berkeley) 6/4/93";
40 #endif /* LIBC_SCCS and not lint */
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
54 static size_t _none_mbrtowc(wchar_t * __restrict, const char * __restrict,
55 size_t, mbstate_t * __restrict);
56 static int _none_mbsinit(const mbstate_t *);
57 static size_t _none_mbsnrtowcs(wchar_t * __restrict dst,
58 const char ** __restrict src, size_t nms, size_t len,
59 mbstate_t * __restrict ps __unused);
60 static size_t _none_wcrtomb(char * __restrict, wchar_t,
61 mbstate_t * __restrict);
62 static size_t _none_wcsnrtombs(char * __restrict, const wchar_t ** __restrict,
63 size_t, size_t, mbstate_t * __restrict);
66 _none_init(_RuneLocale *rl)
69 __mbrtowc = _none_mbrtowc;
70 __mbsinit = _none_mbsinit;
71 __mbsnrtowcs = _none_mbsnrtowcs;
72 __wcrtomb = _none_wcrtomb;
73 __wcsnrtombs = _none_wcsnrtombs;
74 _CurrentRuneLocale = rl;
80 _none_mbsinit(const mbstate_t *ps __unused)
84 * Encoding is not state dependent - we are always in the
91 _none_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
92 mbstate_t * __restrict ps __unused)
96 /* Reset to initial shift state (no-op) */
99 /* Incomplete multibyte sequence */
102 *pwc = (unsigned char)*s;
103 return (*s == '\0' ? 0 : 1);
107 _none_wcrtomb(char * __restrict s, wchar_t wc,
108 mbstate_t * __restrict ps __unused)
112 /* Reset to initial shift state (no-op) */
114 if (wc < 0 || wc > UCHAR_MAX) {
118 *s = (unsigned char)wc;
123 _none_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
124 size_t nms, size_t len, mbstate_t * __restrict ps __unused)
130 s = memchr(*src, '\0', nms);
131 return (s != NULL ? s - *src : nms);
136 while (len-- > 0 && nms-- > 0) {
137 if ((*dst++ = (unsigned char)*s++) == L'\0') {
148 _none_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
149 size_t nwc, size_t len, mbstate_t * __restrict ps __unused)
155 for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
156 if (*s < 0 || *s > UCHAR_MAX) {
166 while (len-- > 0 && nwc-- > 0) {
167 if (*s < 0 || *s > UCHAR_MAX) {
171 if ((*dst++ = *s++) == '\0') {
183 int __mb_cur_max = 1;
184 size_t (*__mbrtowc)(wchar_t * __restrict, const char * __restrict, size_t,
185 mbstate_t * __restrict) = _none_mbrtowc;
186 int (*__mbsinit)(const mbstate_t *) = _none_mbsinit;
187 size_t (*__mbsnrtowcs)(wchar_t * __restrict, const char ** __restrict,
188 size_t, size_t, mbstate_t * __restrict) = _none_mbsnrtowcs;
189 size_t (*__wcrtomb)(char * __restrict, wchar_t, mbstate_t * __restrict) =
191 size_t (*__wcsnrtombs)(char * __restrict, const wchar_t ** __restrict,
192 size_t, size_t, mbstate_t * __restrict) = _none_wcsnrtombs;