1 /* $FreeBSD$ */ 2 /* $NetBSD: citrus_stdenc_template.h,v 1.4 2008/02/09 14:56:20 junyoung Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-2-Clause 6 * 7 * Copyright (c)2003 Citrus Project, 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <iconv.h> 33 34 /* 35 * CAUTION: THIS IS NOT STANDALONE FILE 36 * 37 * function templates of iconv standard encoding handler for each encodings. 38 * 39 */ 40 41 /* 42 * macros 43 */ 44 45 #undef _TO_EI 46 #undef _CE_TO_EI 47 #undef _TO_STATE 48 #define _TO_EI(_cl_) ((_ENCODING_INFO*)(_cl_)) 49 #define _CE_TO_EI(_ce_) (_TO_EI((_ce_)->ce_closure)) 50 #define _TO_STATE(_ps_) ((_ENCODING_STATE*)(_ps_)) 51 52 #ifndef _ENCODING_MB_CUR_MIN 53 /* Assume one byte minimum unless otherwise specified. */ 54 #define _ENCODING_MB_CUR_MIN(_ei_) 1 55 #endif 56 57 /* ---------------------------------------------------------------------- 58 * templates for public functions 59 */ 60 61 int 62 _FUNCNAME(stdenc_getops)(struct _citrus_stdenc_ops *ops, 63 size_t lenops __unused) 64 { 65 66 memcpy(ops, &_FUNCNAME(stdenc_ops), sizeof(_FUNCNAME(stdenc_ops))); 67 68 return (0); 69 } 70 71 static int 72 _FUNCNAME(stdenc_init)(struct _citrus_stdenc * __restrict ce, 73 const void * __restrict var, size_t lenvar, 74 struct _citrus_stdenc_traits * __restrict et) 75 { 76 _ENCODING_INFO *ei; 77 int ret; 78 79 ei = NULL; 80 if (sizeof(_ENCODING_INFO) > 0) { 81 ei = calloc(1, sizeof(_ENCODING_INFO)); 82 if (ei == NULL) 83 return (errno); 84 } 85 86 ret = _FUNCNAME(encoding_module_init)(ei, var, lenvar); 87 if (ret) { 88 free((void *)ei); 89 return (ret); 90 } 91 92 ce->ce_closure = ei; 93 et->et_state_size = sizeof(_ENCODING_STATE); 94 et->et_mb_cur_max = _ENCODING_MB_CUR_MAX(_CE_TO_EI(ce)); 95 et->et_mb_cur_min = _ENCODING_MB_CUR_MIN(_CE_TO_EI(ce)); 96 97 return (0); 98 } 99 100 static void 101 _FUNCNAME(stdenc_uninit)(struct _citrus_stdenc * __restrict ce) 102 { 103 104 if (ce) { 105 _FUNCNAME(encoding_module_uninit)(_CE_TO_EI(ce)); 106 free(ce->ce_closure); 107 } 108 } 109 110 static int 111 _FUNCNAME(stdenc_init_state)(struct _citrus_stdenc * __restrict ce, 112 void * __restrict ps) 113 { 114 115 _FUNCNAME(init_state)(_CE_TO_EI(ce), _TO_STATE(ps)); 116 117 return (0); 118 } 119 120 static int 121 _FUNCNAME(stdenc_mbtocs)(struct _citrus_stdenc * __restrict ce, 122 _citrus_csid_t * __restrict csid, _citrus_index_t * __restrict idx, 123 char ** __restrict s, size_t n, void * __restrict ps, 124 size_t * __restrict nresult, struct iconv_hooks *hooks) 125 { 126 wchar_t wc; 127 int ret; 128 129 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), &wc, s, n, 130 _TO_STATE(ps), nresult); 131 132 if ((ret == 0) && *nresult != (size_t)-2) 133 ret = _FUNCNAME(stdenc_wctocs)(_CE_TO_EI(ce), csid, idx, wc); 134 135 if ((ret == 0) && (hooks != NULL) && (hooks->uc_hook != NULL)) 136 hooks->uc_hook((unsigned int)*idx, hooks->data); 137 return (ret); 138 } 139 140 static int 141 _FUNCNAME(stdenc_cstomb)(struct _citrus_stdenc * __restrict ce, 142 char * __restrict s, size_t n, _citrus_csid_t csid, _citrus_index_t idx, 143 void * __restrict ps, size_t * __restrict nresult, 144 struct iconv_hooks *hooks __unused) 145 { 146 wchar_t wc; 147 int ret; 148 149 wc = ret = 0; 150 151 if (csid != _CITRUS_CSID_INVALID) 152 ret = _FUNCNAME(stdenc_cstowc)(_CE_TO_EI(ce), &wc, csid, idx); 153 154 if (ret == 0) 155 ret = _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, 156 _TO_STATE(ps), nresult); 157 return (ret); 158 } 159 160 static int 161 _FUNCNAME(stdenc_mbtowc)(struct _citrus_stdenc * __restrict ce, 162 _citrus_wc_t * __restrict wc, char ** __restrict s, size_t n, 163 void * __restrict ps, size_t * __restrict nresult, 164 struct iconv_hooks *hooks) 165 { 166 int ret; 167 168 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), wc, s, n, 169 _TO_STATE(ps), nresult); 170 if ((ret == 0) && (hooks != NULL) && (hooks->wc_hook != NULL)) 171 hooks->wc_hook(*wc, hooks->data); 172 return (ret); 173 } 174 175 static int 176 _FUNCNAME(stdenc_wctomb)(struct _citrus_stdenc * __restrict ce, 177 char * __restrict s, size_t n, _citrus_wc_t wc, void * __restrict ps, 178 size_t * __restrict nresult, struct iconv_hooks *hooks __unused) 179 { 180 int ret; 181 182 ret = _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, _TO_STATE(ps), 183 nresult); 184 return (ret); 185 } 186 187 static int 188 _FUNCNAME(stdenc_put_state_reset)(struct _citrus_stdenc * __restrict ce __unused, 189 char * __restrict s __unused, size_t n __unused, 190 void * __restrict ps __unused, size_t * __restrict nresult) 191 { 192 193 #if _ENCODING_IS_STATE_DEPENDENT 194 return ((_FUNCNAME(put_state_reset)(_CE_TO_EI(ce), s, n, _TO_STATE(ps), 195 nresult))); 196 #else 197 *nresult = 0; 198 return (0); 199 #endif 200 } 201 202 static int 203 _FUNCNAME(stdenc_get_state_desc)(struct _citrus_stdenc * __restrict ce, 204 void * __restrict ps, int id, 205 struct _citrus_stdenc_state_desc * __restrict d) 206 { 207 int ret; 208 209 switch (id) { 210 case _STDENC_SDID_GENERIC: 211 ret = _FUNCNAME(stdenc_get_state_desc_generic)( 212 _CE_TO_EI(ce), _TO_STATE(ps), &d->u.generic.state); 213 break; 214 default: 215 ret = EOPNOTSUPP; 216 } 217 218 return (ret); 219 } 220