citrus_stdenc_template.h revision 282275
1/* $FreeBSD: stable/10/lib/libc/iconv/citrus_stdenc_template.h 282275 2015-04-30 16:08:47Z tijl $ */ 2/* $NetBSD: citrus_stdenc_template.h,v 1.4 2008/02/09 14:56:20 junyoung Exp $ */ 3 4/*- 5 * Copyright (c)2003 Citrus Project, 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <iconv.h> 31 32/* 33 * CAUTION: THIS IS NOT STANDALONE FILE 34 * 35 * function templates of iconv standard encoding handler for each encodings. 36 * 37 */ 38 39/* 40 * macros 41 */ 42 43#undef _TO_EI 44#undef _CE_TO_EI 45#undef _TO_STATE 46#define _TO_EI(_cl_) ((_ENCODING_INFO*)(_cl_)) 47#define _CE_TO_EI(_ce_) (_TO_EI((_ce_)->ce_closure)) 48#define _TO_STATE(_ps_) ((_ENCODING_STATE*)(_ps_)) 49 50/* ---------------------------------------------------------------------- 51 * templates for public functions 52 */ 53 54int 55_FUNCNAME(stdenc_getops)(struct _citrus_stdenc_ops *ops, 56 size_t lenops __unused) 57{ 58 59 memcpy(ops, &_FUNCNAME(stdenc_ops), sizeof(_FUNCNAME(stdenc_ops))); 60 61 return (0); 62} 63 64static int 65_FUNCNAME(stdenc_init)(struct _citrus_stdenc * __restrict ce, 66 const void * __restrict var, size_t lenvar, 67 struct _citrus_stdenc_traits * __restrict et) 68{ 69 _ENCODING_INFO *ei; 70 int ret; 71 72 ei = NULL; 73 if (sizeof(_ENCODING_INFO) > 0) { 74 ei = calloc(1, sizeof(_ENCODING_INFO)); 75 if (ei == NULL) 76 return (errno); 77 } 78 79 ret = _FUNCNAME(encoding_module_init)(ei, var, lenvar); 80 if (ret) { 81 free((void *)ei); 82 return (ret); 83 } 84 85 ce->ce_closure = ei; 86 et->et_state_size = sizeof(_ENCODING_STATE); 87 et->et_mb_cur_max = _ENCODING_MB_CUR_MAX(_CE_TO_EI(ce)); 88 89 return (0); 90} 91 92static void 93_FUNCNAME(stdenc_uninit)(struct _citrus_stdenc * __restrict ce) 94{ 95 96 if (ce) { 97 _FUNCNAME(encoding_module_uninit)(_CE_TO_EI(ce)); 98 free(ce->ce_closure); 99 } 100} 101 102static int 103_FUNCNAME(stdenc_init_state)(struct _citrus_stdenc * __restrict ce, 104 void * __restrict ps) 105{ 106 107 _FUNCNAME(init_state)(_CE_TO_EI(ce), _TO_STATE(ps)); 108 109 return (0); 110} 111 112static int 113_FUNCNAME(stdenc_mbtocs)(struct _citrus_stdenc * __restrict ce, 114 _citrus_csid_t * __restrict csid, _citrus_index_t * __restrict idx, 115 char ** __restrict s, size_t n, void * __restrict ps, 116 size_t * __restrict nresult, struct iconv_hooks *hooks) 117{ 118 wchar_t wc; 119 int ret; 120 121 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), &wc, s, n, 122 _TO_STATE(ps), nresult); 123 124 if ((ret == 0) && *nresult != (size_t)-2) 125 ret = _FUNCNAME(stdenc_wctocs)(_CE_TO_EI(ce), csid, idx, wc); 126 127 if ((ret == 0) && (hooks != NULL) && (hooks->uc_hook != NULL)) 128 hooks->uc_hook((unsigned int)*idx, hooks->data); 129 return (ret); 130} 131 132static int 133_FUNCNAME(stdenc_cstomb)(struct _citrus_stdenc * __restrict ce, 134 char * __restrict s, size_t n, _citrus_csid_t csid, _citrus_index_t idx, 135 void * __restrict ps, size_t * __restrict nresult, 136 struct iconv_hooks *hooks __unused) 137{ 138 wchar_t wc; 139 int ret; 140 141 wc = ret = 0; 142 143 if (csid != _CITRUS_CSID_INVALID) 144 ret = _FUNCNAME(stdenc_cstowc)(_CE_TO_EI(ce), &wc, csid, idx); 145 146 if (ret == 0) 147 ret = _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, 148 _TO_STATE(ps), nresult); 149 return (ret); 150} 151 152static int 153_FUNCNAME(stdenc_mbtowc)(struct _citrus_stdenc * __restrict ce, 154 _citrus_wc_t * __restrict wc, char ** __restrict s, size_t n, 155 void * __restrict ps, size_t * __restrict nresult, 156 struct iconv_hooks *hooks) 157{ 158 int ret; 159 160 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), wc, s, n, 161 _TO_STATE(ps), nresult); 162 if ((ret == 0) && (hooks != NULL) && (hooks->wc_hook != NULL)) 163 hooks->wc_hook(*wc, hooks->data); 164 return (ret); 165} 166 167static int 168_FUNCNAME(stdenc_wctomb)(struct _citrus_stdenc * __restrict ce, 169 char * __restrict s, size_t n, _citrus_wc_t wc, void * __restrict ps, 170 size_t * __restrict nresult, struct iconv_hooks *hooks __unused) 171{ 172 int ret; 173 174 ret = _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, _TO_STATE(ps), 175 nresult); 176 return (ret); 177} 178 179static int 180_FUNCNAME(stdenc_put_state_reset)(struct _citrus_stdenc * __restrict ce __unused, 181 char * __restrict s __unused, size_t n __unused, 182 void * __restrict ps __unused, size_t * __restrict nresult) 183{ 184 185#if _ENCODING_IS_STATE_DEPENDENT 186 return ((_FUNCNAME(put_state_reset)(_CE_TO_EI(ce), s, n, _TO_STATE(ps), 187 nresult))); 188#else 189 *nresult = 0; 190 return (0); 191#endif 192} 193 194static int 195_FUNCNAME(stdenc_get_state_desc)(struct _citrus_stdenc * __restrict ce, 196 void * __restrict ps, int id, 197 struct _citrus_stdenc_state_desc * __restrict d) 198{ 199 int ret; 200 201 switch (id) { 202 case _STDENC_SDID_GENERIC: 203 ret = _FUNCNAME(stdenc_get_state_desc_generic)( 204 _CE_TO_EI(ce), _TO_STATE(ps), &d->u.generic.state); 205 break; 206 default: 207 ret = EOPNOTSUPP; 208 } 209 210 return (ret); 211} 212