FreeBSD/Linux Kernel Cross Reference
sys/sys/iconv.h
1 /*
2 * Copyright (c) 2000-2001, Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: releng/5.1/sys/sys/iconv.h 100080 2002-07-15 13:34:50Z markm $
33 */
34 #ifndef _SYS_ICONV_H_
35 #define _SYS_ICONV_H_
36
37 #define ICONV_CSNMAXLEN 31 /* maximum length of charset name */
38 #define ICONV_CNVNMAXLEN 31 /* maximum length of converter name */
39 #define ICONV_CSMAXDATALEN 1024 /* maximum size of data associated with cs pair */
40
41 /*
42 * Entry for cslist sysctl
43 */
44 #define ICONV_CSPAIR_INFO_VER 1
45
46 struct iconv_cspair_info {
47 int cs_version;
48 int cs_id;
49 int cs_base;
50 int cs_refcount;
51 char cs_to[ICONV_CSNMAXLEN];
52 char cs_from[ICONV_CSNMAXLEN];
53 };
54
55 /*
56 * Paramters for 'add' sysctl
57 */
58 #define ICONV_ADD_VER 1
59
60 struct iconv_add_in {
61 int ia_version;
62 char ia_converter[ICONV_CNVNMAXLEN];
63 char ia_to[ICONV_CSNMAXLEN];
64 char ia_from[ICONV_CSNMAXLEN];
65 int ia_datalen;
66 const void *ia_data;
67 };
68
69 struct iconv_add_out {
70 int ia_csid;
71 };
72
73 #ifndef _KERNEL
74
75 __BEGIN_DECLS
76
77 int kiconv_add_xlat_table(const char *, const char *, const u_char *);
78
79 __END_DECLS
80
81 #else /* !_KERNEL */
82
83 #include <sys/kobj.h>
84 #include <sys/queue.h> /* can't avoid that */
85 #include <sys/sysctl.h> /* can't avoid that */
86
87 struct iconv_cspair;
88 struct iconv_cspairdata;
89
90 /*
91 * iconv converter class definition
92 */
93 struct iconv_converter_class {
94 KOBJ_CLASS_FIELDS;
95 TAILQ_ENTRY(iconv_converter_class) cc_link;
96 };
97
98 struct iconv_cspair {
99 int cp_id; /* unique id of charset pair */
100 int cp_refcount; /* number of references from other pairs */
101 const char * cp_from;
102 const char * cp_to;
103 void * cp_data;
104 struct iconv_converter_class * cp_dcp;
105 struct iconv_cspair *cp_base;
106 TAILQ_ENTRY(iconv_cspair) cp_link;
107 };
108
109 #define KICONV_CONVERTER(name,size) \
110 static DEFINE_CLASS(iconv_ ## name, iconv_ ## name ## _methods, (size)); \
111 static moduledata_t iconv_ ## name ## _mod = { \
112 "iconv_"#name, iconv_converter_handler, \
113 (void*)&iconv_ ## name ## _class \
114 }; \
115 DECLARE_MODULE(iconv_ ## name, iconv_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
116
117 #define KICONV_CES(name,size) \
118 static DEFINE_CLASS(iconv_ces_ ## name, iconv_ces_ ## name ## _methods, (size)); \
119 static moduledata_t iconv_ces_ ## name ## _mod = { \
120 "iconv_ces_"#name, iconv_cesmod_handler, \
121 (void*)&iconv_ces_ ## name ## _class \
122 }; \
123 DECLARE_MODULE(iconv_ces_ ## name, iconv_ces_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
124
125 #ifdef MALLOC_DECLARE
126 MALLOC_DECLARE(M_ICONV);
127 #endif
128
129 /*
130 * Basic conversion functions
131 */
132 int iconv_open(const char *to, const char *from, void **handle);
133 int iconv_close(void *handle);
134 int iconv_conv(void *handle, const char **inbuf,
135 size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
136 char* iconv_convstr(void *handle, char *dst, const char *src);
137 void* iconv_convmem(void *handle, void *dst, const void *src, int size);
138
139 /*
140 * Internal functions
141 */
142 int iconv_lookupcp(char **cpp, const char *s);
143
144 int iconv_converter_initstub(struct iconv_converter_class *dp);
145 int iconv_converter_donestub(struct iconv_converter_class *dp);
146 int iconv_converter_handler(module_t mod, int type, void *data);
147
148 #ifdef ICONV_DEBUG
149 #define ICDEBUG(format, ...) printf("%s: "format, __func__ , __VA_ARGS__)
150 #else
151 #define ICDEBUG(format, ...)
152 #endif
153
154 #endif /* !_KERNEL */
155
156 #endif /* !_SYS_ICONV_H_ */
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