lib/libc/iconv/citrus_stdenc_template.h

   1 /* $FreeBSD$ */
   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
  54 int
  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
  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         _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
  92 static 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
 102 static 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
 112 static 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
 132 static 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
 152 static 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
 167 static 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
 179 static 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
 194 static 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 }