multibyte.h revision 1.2.2.2
1 1.2.2.2 nathanw /* $NetBSD: multibyte.h,v 1.2.2.2 2002/03/22 20:42:17 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /*- 4 1.2.2.2 nathanw * Copyright (c)2002 Citrus Project, 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 9 1.2.2.2 nathanw * are met: 10 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 15 1.2.2.2 nathanw * 16 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.2.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.2.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.2.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.2.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.2.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.2.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.2.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.2.2 nathanw * SUCH DAMAGE. 27 1.2.2.2 nathanw */ 28 1.2.2.2 nathanw 29 1.2.2.2 nathanw #ifndef _MULTIBYTE_H_ 30 1.2.2.2 nathanw #define _MULTIBYTE_H_ 31 1.2.2.2 nathanw 32 1.2.2.2 nathanw /* mbstate_t private */ 33 1.2.2.2 nathanw 34 1.2.2.2 nathanw #ifdef _BSD_MBSTATE_T_ 35 1.2.2.2 nathanw typedef _BSD_MBSTATE_T_ mbstate_t; 36 1.2.2.2 nathanw #undef _BSD_MBSTATE_T_ 37 1.2.2.2 nathanw #endif 38 1.2.2.2 nathanw 39 1.2.2.2 nathanw typedef struct _RuneStatePriv { 40 1.2.2.2 nathanw _RuneLocale *__runelocale; 41 1.2.2.2 nathanw char __private __attribute__((__aligned__)); 42 1.2.2.2 nathanw } _RuneStatePriv; 43 1.2.2.2 nathanw 44 1.2.2.2 nathanw typedef union _RuneState { 45 1.2.2.2 nathanw mbstate_t __pad; 46 1.2.2.2 nathanw struct _RuneStatePriv __priv; 47 1.2.2.2 nathanw #define rs_runelocale __priv.__runelocale 48 1.2.2.2 nathanw #define rs_private __priv.__private 49 1.2.2.2 nathanw } _RuneState; 50 1.2.2.2 nathanw #define _PRIVSIZE (sizeof(mbstate_t)-offsetof(_RuneStatePriv, __private)) 51 1.2.2.2 nathanw 52 1.2.2.2 nathanw 53 1.2.2.2 nathanw /* */ 54 1.2.2.2 nathanw 55 1.2.2.2 nathanw static __inline _citrus_ctype_t 56 1.2.2.2 nathanw _to_cur_ctype(void) 57 1.2.2.2 nathanw { 58 1.2.2.2 nathanw return (_CurrentRuneLocale->rl_citrus_ctype); 59 1.2.2.2 nathanw } 60 1.2.2.2 nathanw 61 1.2.2.2 nathanw static __inline _RuneState * 62 1.2.2.2 nathanw _ps_to_runestate(mbstate_t *ps) 63 1.2.2.2 nathanw { 64 1.2.2.2 nathanw return (_RuneState *)(void *)ps; 65 1.2.2.2 nathanw } 66 1.2.2.2 nathanw 67 1.2.2.2 nathanw static __inline _RuneState const * 68 1.2.2.2 nathanw _ps_to_runestate_const(mbstate_t const *ps) 69 1.2.2.2 nathanw { 70 1.2.2.2 nathanw return (_RuneState const *)(void const *)ps; 71 1.2.2.2 nathanw } 72 1.2.2.2 nathanw 73 1.2.2.2 nathanw static __inline _RuneLocale * 74 1.2.2.2 nathanw _ps_to_runelocale(mbstate_t const *ps) 75 1.2.2.2 nathanw { 76 1.2.2.2 nathanw return _ps_to_runestate_const(ps)->rs_runelocale; 77 1.2.2.2 nathanw } 78 1.2.2.2 nathanw 79 1.2.2.2 nathanw static __inline _citrus_ctype_t 80 1.2.2.2 nathanw _ps_to_ctype(mbstate_t const *ps) 81 1.2.2.2 nathanw { 82 1.2.2.2 nathanw if (!ps) 83 1.2.2.2 nathanw return _to_cur_ctype(); 84 1.2.2.2 nathanw 85 1.2.2.2 nathanw _DIAGASSERT(_ps_to_runelocale(ps) != NULL); 86 1.2.2.2 nathanw 87 1.2.2.2 nathanw return _ps_to_runelocale(ps)->rl_citrus_ctype; 88 1.2.2.2 nathanw } 89 1.2.2.2 nathanw 90 1.2.2.2 nathanw static __inline void * 91 1.2.2.2 nathanw _ps_to_private(mbstate_t *ps) 92 1.2.2.2 nathanw { 93 1.2.2.2 nathanw if (ps == NULL) 94 1.2.2.2 nathanw return NULL; 95 1.2.2.2 nathanw return (void *)&_ps_to_runestate(ps)->rs_private; 96 1.2.2.2 nathanw } 97 1.2.2.2 nathanw 98 1.2.2.2 nathanw static __inline void const * 99 1.2.2.2 nathanw _ps_to_private_const(mbstate_t const *ps) 100 1.2.2.2 nathanw { 101 1.2.2.2 nathanw if (ps == NULL) 102 1.2.2.2 nathanw return NULL; 103 1.2.2.2 nathanw return (void const *)&_ps_to_runestate_const(ps)->rs_private; 104 1.2.2.2 nathanw } 105 1.2.2.2 nathanw 106 1.2.2.2 nathanw static __inline void 107 1.2.2.2 nathanw _init_ps(_RuneLocale *rl, mbstate_t *ps) 108 1.2.2.2 nathanw { 109 1.2.2.2 nathanw size_t dum; 110 1.2.2.2 nathanw _ps_to_runestate(ps)->rs_runelocale = rl; 111 1.2.2.2 nathanw _citrus_ctype_mbrtowc(rl->rl_citrus_ctype, NULL, NULL, NULL, 112 1.2.2.2 nathanw _ps_to_private(ps), &dum); 113 1.2.2.2 nathanw } 114 1.2.2.2 nathanw 115 1.2.2.2 nathanw static __inline void 116 1.2.2.2 nathanw _fixup_ps(_RuneLocale *rl, mbstate_t *ps, int forceinit) 117 1.2.2.2 nathanw { 118 1.2.2.2 nathanw /* for future multi-locale facility */ 119 1.2.2.2 nathanw _DIAGASSERT(rl != NULL); 120 1.2.2.2 nathanw 121 1.2.2.2 nathanw if (ps != NULL && (_ps_to_runelocale(ps) == NULL || forceinit)) { 122 1.2.2.2 nathanw _init_ps(rl, ps); 123 1.2.2.2 nathanw } 124 1.2.2.2 nathanw } 125 1.2.2.2 nathanw 126 1.2.2.2 nathanw #endif 127
Indexes created Thu Oct 02 07:10:07 GMT 2025