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: src/sys/sys/iconv.h,v 1.1.2.1 2001/05/21 08:28:07 bp Exp $ 33 * $DragonFly: src/sys/sys/iconv.h,v 1.6 2007/10/03 18:58:20 dillon Exp $ 34 */ 35 #ifndef _SYS_ICONV_H_ 36 #define _SYS_ICONV_H_ 37 38 #ifndef _SYS_MODULE_H_ 39 #include <sys/module.h> 40 #endif 41 42 #define ICONV_CSNMAXLEN 31 /* maximum length of charset name */ 43 #define ICONV_CNVNMAXLEN 31 /* maximum length of converter name */ 44 #define ICONV_CSMAXDATALEN 1024 /* maximum size of data associated with cs pair */ 45 46 /* 47 * Entry for cslist sysctl 48 */ 49 #define ICONV_CSPAIR_INFO_VER 1 50 51 struct iconv_cspair_info { 52 int cs_version; 53 int cs_id; 54 int cs_base; 55 int cs_refcount; 56 char cs_to[ICONV_CSNMAXLEN]; 57 char cs_from[ICONV_CSNMAXLEN]; 58 }; 59 60 /* 61 * Paramters for 'add' sysctl 62 */ 63 #define ICONV_ADD_VER 1 64 65 struct iconv_add_in { 66 int ia_version; 67 char ia_converter[ICONV_CNVNMAXLEN]; 68 char ia_to[ICONV_CSNMAXLEN]; 69 char ia_from[ICONV_CSNMAXLEN]; 70 int ia_datalen; 71 const void *ia_data; 72 }; 73 74 struct iconv_add_out { 75 int ia_csid; 76 }; 77 78 #ifndef _KERNEL 79 80 __BEGIN_DECLS 81 82 int kiconv_add_xlat_table(const char *, const char *, const u_char *); 83 84 __END_DECLS 85 86 #else /* !_KERNEL */ 87 88 #include <sys/kobj.h> 89 #include <sys/queue.h> /* can't avoid that */ 90 #include <sys/sysctl.h> /* can't avoid that */ 91 92 struct iconv_cspair; 93 struct iconv_cspairdata; 94 95 /* 96 * iconv converter class definition 97 */ 98 struct iconv_converter_class { 99 KOBJ_CLASS_FIELDS; 100 TAILQ_ENTRY(iconv_converter_class) cc_link; 101 }; 102 103 struct iconv_cspair { 104 int cp_id; /* unique id of charset pair */ 105 int cp_refcount; /* number of references from other pairs */ 106 const char * cp_from; 107 const char * cp_to; 108 void * cp_data; 109 struct iconv_converter_class * cp_dcp; 110 struct iconv_cspair *cp_base; 111 TAILQ_ENTRY(iconv_cspair) cp_link; 112 }; 113 114 #define KICONV_CONVERTER(name,size) \ 115 static DEFINE_CLASS_EXT(iconv_ ## name, iconv_ ## name ## _class, \ 116 iconv_ ## name ## _methods, \ 117 (size), iconv_converter_class); \ 118 static moduledata_t iconv_ ## name ## _mod = { \ 119 "iconv_"#name, iconv_converter_handler, \ 120 (void*)&iconv_ ## name ## _class \ 121 }; \ 122 DECLARE_MODULE(iconv_ ## name, iconv_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 123 124 #define KICONV_CES(name,size) \ 125 static DEFINE_CLASS(iconv_ces_ ## name, iconv_ces_ ## name ## _methods, (size)); \ 126 static moduledata_t iconv_ces_ ## name ## _mod = { \ 127 "iconv_ces_"#name, iconv_cesmod_handler, \ 128 (void*)&iconv_ces_ ## name ## _class \ 129 }; \ 130 DECLARE_MODULE(iconv_ces_ ## name, iconv_ces_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 131 132 #ifdef MALLOC_DECLARE 133 MALLOC_DECLARE(M_ICONV); 134 #endif 135 136 /* 137 * Basic conversion functions 138 */ 139 int iconv_open(const char *to, const char *from, void **handle); 140 int iconv_close(void *handle); 141 int iconv_conv(void *handle, const char **inbuf, 142 size_t *inbytesleft, char **outbuf, size_t *outbytesleft); 143 char* iconv_convstr(void *handle, char *dst, const char *src); 144 void* iconv_convmem(void *handle, void *dst, const void *src, int size); 145 146 /* 147 * Internal functions 148 */ 149 int iconv_lookupcp(char **cpp, const char *s); 150 151 int iconv_converter_initstub(struct iconv_converter_class *dp); 152 int iconv_converter_donestub(struct iconv_converter_class *dp); 153 int iconv_converter_handler(module_t mod, int type, void *data); 154 155 #ifdef ICONV_DEBUG 156 #define ICDEBUG(format, args...) kprintf("%s: "format, __func__ ,## args) 157 #else 158 #define ICDEBUG(format, args...) 159 #endif 160 161 #endif /* !_KERNEL */ 162 163 #endif /* !_SYS_ICONV_H_ */ 164