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 /* ----------------------------------------------------------------------
53 * templates for public functions
54 */
55
56 int
_FUNCNAME(stdenc_getops)57 _FUNCNAME(stdenc_getops)(struct _citrus_stdenc_ops *ops,
58 size_t lenops __unused)
59 {
60
61 memcpy(ops, &_FUNCNAME(stdenc_ops), sizeof(_FUNCNAME(stdenc_ops)));
62
63 return (0);
64 }
65
66 static int
_FUNCNAME(stdenc_init)67 _FUNCNAME(stdenc_init)(struct _citrus_stdenc * __restrict ce,
68 const void * __restrict var, size_t lenvar,
69 struct _citrus_stdenc_traits * __restrict et)
70 {
71 _ENCODING_INFO *ei;
72 int ret;
73
74 ei = NULL;
75 if (sizeof(_ENCODING_INFO) > 0) {
76 ei = calloc(1, sizeof(_ENCODING_INFO));
77 if (ei == NULL)
78 return (errno);
79 }
80
81 ret = _FUNCNAME(encoding_module_init)(ei, var, lenvar);
82 if (ret) {
83 free((void *)ei);
84 return (ret);
85 }
86
87 ce->ce_closure = ei;
88 et->et_state_size = sizeof(_ENCODING_STATE);
89 et->et_mb_cur_max = _ENCODING_MB_CUR_MAX(_CE_TO_EI(ce));
90
91 return (0);
92 }
93
94 static void
_FUNCNAME(stdenc_uninit)95 _FUNCNAME(stdenc_uninit)(struct _citrus_stdenc * __restrict ce)
96 {
97
98 if (ce) {
99 _FUNCNAME(encoding_module_uninit)(_CE_TO_EI(ce));
100 free(ce->ce_closure);
101 }
102 }
103
104 static int
_FUNCNAME(stdenc_init_state)105 _FUNCNAME(stdenc_init_state)(struct _citrus_stdenc * __restrict ce,
106 void * __restrict ps)
107 {
108
109 _FUNCNAME(init_state)(_CE_TO_EI(ce), _TO_STATE(ps));
110
111 return (0);
112 }
113
114 static int
_FUNCNAME(stdenc_mbtocs)115 _FUNCNAME(stdenc_mbtocs)(struct _citrus_stdenc * __restrict ce,
116 _citrus_csid_t * __restrict csid, _citrus_index_t * __restrict idx,
117 char ** __restrict s, size_t n, void * __restrict ps,
118 size_t * __restrict nresult, struct iconv_hooks *hooks)
119 {
120 wchar_t wc;
121 int ret;
122
123 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), &wc, s, n,
124 _TO_STATE(ps), nresult);
125
126 if ((ret == 0) && *nresult != (size_t)-2)
127 ret = _FUNCNAME(stdenc_wctocs)(_CE_TO_EI(ce), csid, idx, wc);
128
129 if ((ret == 0) && (hooks != NULL) && (hooks->uc_hook != NULL))
130 hooks->uc_hook((unsigned int)*idx, hooks->data);
131 return (ret);
132 }
133
134 static int
_FUNCNAME(stdenc_cstomb)135 _FUNCNAME(stdenc_cstomb)(struct _citrus_stdenc * __restrict ce,
136 char * __restrict s, size_t n, _citrus_csid_t csid, _citrus_index_t idx,
137 void * __restrict ps, size_t * __restrict nresult,
138 struct iconv_hooks *hooks __unused)
139 {
140 wchar_t wc;
141 int ret;
142
143 wc = ret = 0;
144
145 if (csid != _CITRUS_CSID_INVALID)
146 ret = _FUNCNAME(stdenc_cstowc)(_CE_TO_EI(ce), &wc, csid, idx);
147
148 if (ret == 0)
149 ret = _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc,
150 _TO_STATE(ps), nresult);
151 return (ret);
152 }
153
154 static int
_FUNCNAME(stdenc_mbtowc)155 _FUNCNAME(stdenc_mbtowc)(struct _citrus_stdenc * __restrict ce,
156 _citrus_wc_t * __restrict wc, char ** __restrict s, size_t n,
157 void * __restrict ps, size_t * __restrict nresult,
158 struct iconv_hooks *hooks)
159 {
160 int ret;
161
162 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), wc, s, n,
163 _TO_STATE(ps), nresult);
164 if ((ret == 0) && (hooks != NULL) && (hooks->wc_hook != NULL))
165 hooks->wc_hook(*wc, hooks->data);
166 return (ret);
167 }
168
169 static int
_FUNCNAME(stdenc_wctomb)170 _FUNCNAME(stdenc_wctomb)(struct _citrus_stdenc * __restrict ce,
171 char * __restrict s, size_t n, _citrus_wc_t wc, void * __restrict ps,
172 size_t * __restrict nresult, struct iconv_hooks *hooks __unused)
173 {
174 int ret;
175
176 ret = _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, _TO_STATE(ps),
177 nresult);
178 return (ret);
179 }
180
181 static int
_FUNCNAME(stdenc_put_state_reset)182 _FUNCNAME(stdenc_put_state_reset)(struct _citrus_stdenc * __restrict ce __unused,
183 char * __restrict s __unused, size_t n __unused,
184 void * __restrict ps __unused, size_t * __restrict nresult)
185 {
186
187 #if _ENCODING_IS_STATE_DEPENDENT
188 return ((_FUNCNAME(put_state_reset)(_CE_TO_EI(ce), s, n, _TO_STATE(ps),
189 nresult)));
190 #else
191 *nresult = 0;
192 return (0);
193 #endif
194 }
195
196 static int
_FUNCNAME(stdenc_get_state_desc)197 _FUNCNAME(stdenc_get_state_desc)(struct _citrus_stdenc * __restrict ce,
198 void * __restrict ps, int id,
199 struct _citrus_stdenc_state_desc * __restrict d)
200 {
201 int ret;
202
203 switch (id) {
204 case _STDENC_SDID_GENERIC:
205 ret = _FUNCNAME(stdenc_get_state_desc_generic)(
206 _CE_TO_EI(ce), _TO_STATE(ps), &d->u.generic.state);
207 break;
208 default:
209 ret = EOPNOTSUPP;
210 }
211
212 return (ret);
213 }
214