1 /* $NetBSD: citrus_stdenc_template.h,v 1.4 2008/02/09 14:56:20 junyoung Exp $ */ 2 /* $DragonFly: src/lib/libc/citrus/citrus_stdenc_template.h,v 1.2 2008/04/10 10:21:01 hasso 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 /* 31 * CAUTION: THIS IS NOT STANDALONE FILE 32 * 33 * function templates of iconv standard encoding handler for each encodings. 34 * 35 */ 36 37 /* 38 * macros 39 */ 40 41 #undef _TO_EI 42 #undef _CE_TO_EI 43 #undef _TO_STATE 44 #define _TO_EI(_cl_) ((_ENCODING_INFO*)(_cl_)) 45 #define _CE_TO_EI(_ce_) (_TO_EI((_ce_)->ce_closure)) 46 #define _TO_STATE(_ps_) ((_ENCODING_STATE*)(_ps_)) 47 48 /* ---------------------------------------------------------------------- 49 * templates for public functions 50 */ 51 52 int 53 _FUNCNAME(stdenc_getops)(struct _citrus_stdenc_ops *ops, size_t lenops, 54 uint32_t expected_version) 55 { 56 if (expected_version<_CITRUS_STDENC_ABI_VERSION || lenops<sizeof(*ops)) 57 return (EINVAL); 58 59 memcpy(ops, &_FUNCNAME(stdenc_ops), sizeof(_FUNCNAME(stdenc_ops))); 60 61 return (0); 62 } 63 64 static 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 int ret; 70 _ENCODING_INFO *ei; 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 80 ret = _FUNCNAME(encoding_module_init)(ei, var, lenvar); 81 if (ret) { 82 free((void *)ei); 83 return ret; 84 } 85 86 ce->ce_closure = ei; 87 et->et_state_size = sizeof(_ENCODING_STATE); 88 et->et_mb_cur_max = _ENCODING_MB_CUR_MAX(_CE_TO_EI(ce)); 89 90 return 0; 91 } 92 93 static void 94 _FUNCNAME(stdenc_uninit)(struct _citrus_stdenc * __restrict ce) 95 { 96 if (ce) { 97 _FUNCNAME(encoding_module_uninit)(_CE_TO_EI(ce)); 98 free(ce->ce_closure); 99 } 100 } 101 102 static int 103 _FUNCNAME(stdenc_init_state)(struct _citrus_stdenc * __restrict ce, 104 void * __restrict ps) 105 { 106 _FUNCNAME(init_state)(_CE_TO_EI(ce), _TO_STATE(ps)); 107 108 return 0; 109 } 110 111 static int 112 _FUNCNAME(stdenc_mbtocs)(struct _citrus_stdenc * __restrict ce, 113 _citrus_csid_t * __restrict csid, 114 _citrus_index_t * __restrict idx, 115 const char ** __restrict s, size_t n, 116 void * __restrict ps, size_t * __restrict nresult) 117 { 118 int ret; 119 wchar_t wc; 120 121 _DIAGASSERT(nresult != NULL); 122 123 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), &wc, s, n, 124 _TO_STATE(ps), nresult); 125 126 if (!ret && *nresult != (size_t)-2) 127 _FUNCNAME(stdenc_wctocs)(_CE_TO_EI(ce), csid, idx, wc); 128 129 return ret; 130 } 131 132 static int 133 _FUNCNAME(stdenc_cstomb)(struct _citrus_stdenc * __restrict ce, 134 char * __restrict s, size_t n, 135 _citrus_csid_t csid, _citrus_index_t idx, 136 void * __restrict ps, size_t * __restrict nresult) 137 { 138 int ret; 139 wchar_t wc; 140 141 _DIAGASSERT(nresult != NULL); 142 143 wc = 0; 144 145 if (csid != _CITRUS_CSID_INVALID) { 146 ret = _FUNCNAME(stdenc_cstowc)(_CE_TO_EI(ce), &wc, csid, idx); 147 if (ret) 148 return ret; 149 } 150 151 return _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, _TO_STATE(ps), 152 nresult); 153 } 154 155 static int 156 _FUNCNAME(stdenc_mbtowc)(struct _citrus_stdenc * __restrict ce, 157 _citrus_wc_t * __restrict wc, 158 const char ** __restrict s, size_t n, 159 void * __restrict ps, size_t * __restrict nresult) 160 { 161 return _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), wc, s, n, 162 _TO_STATE(ps), nresult); 163 } 164 165 static int 166 _FUNCNAME(stdenc_wctomb)(struct _citrus_stdenc * __restrict ce, 167 char * __restrict s, size_t n, _citrus_wc_t wc, 168 void * __restrict ps, size_t * __restrict nresult) 169 { 170 return _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, _TO_STATE(ps), 171 nresult); 172 } 173 174 static int 175 _FUNCNAME(stdenc_put_state_reset)(struct _citrus_stdenc * __restrict ce, 176 char * __restrict s, size_t n, 177 void * __restrict ps, 178 size_t * __restrict nresult) 179 { 180 #if _ENCODING_IS_STATE_DEPENDENT 181 return _FUNCNAME(put_state_reset)(_CE_TO_EI(ce), s, n, _TO_STATE(ps), 182 nresult); 183 #else 184 *nresult = 0; 185 return 0; 186 #endif 187 } 188 189 static int 190 _FUNCNAME(stdenc_get_state_desc)(struct _citrus_stdenc * __restrict ce, 191 void * __restrict ps, 192 int id, 193 struct _citrus_stdenc_state_desc * __restrict d) 194 { 195 int ret; 196 197 switch (id) { 198 case _STDENC_SDID_GENERIC: 199 ret = _FUNCNAME(stdenc_get_state_desc_generic)( 200 _CE_TO_EI(ce), _TO_STATE(ps), &d->u.generic.state); 201 break; 202 default: 203 ret = EOPNOTSUPP; 204 } 205 206 return ret; 207 } 208