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 1.3 2005/02/17 14:00:09 joerg Exp $ 34 */ 35 #ifndef _SYS_ICONV_H_ 36 #define _SYS_ICONV_H_ 37 38 #define ICONV_CSNMAXLEN 31 /* maximum length of charset name */ 39 #define ICONV_CNVNMAXLEN 31 /* maximum length of converter name */ 40 #define ICONV_CSMAXDATALEN 1024 /* maximum size of data associated with cs pair */ 41 42 /* 43 * Entry for cslist sysctl 44 */ 45 #define ICONV_CSPAIR_INFO_VER 1 46 47 struct iconv_cspair_info { 48 int cs_version; 49 int cs_id; 50 int cs_base; 51 int cs_refcount; 52 char cs_to[ICONV_CSNMAXLEN]; 53 char cs_from[ICONV_CSNMAXLEN]; 54 }; 55 56 /* 57 * Paramters for 'add' sysctl 58 */ 59 #define ICONV_ADD_VER 1 60 61 struct iconv_add_in { 62 int ia_version; 63 char ia_converter[ICONV_CNVNMAXLEN]; 64 char ia_to[ICONV_CSNMAXLEN]; 65 char ia_from[ICONV_CSNMAXLEN]; 66 int ia_datalen; 67 const void *ia_data; 68 }; 69 70 struct iconv_add_out { 71 int ia_csid; 72 }; 73 74 #ifndef _KERNEL 75 76 __BEGIN_DECLS 77 78 int kiconv_add_xlat_table(const char *, const char *, const u_char *); 79 80 __END_DECLS 81 82 #else /* !_KERNEL */ 83 84 #include <sys/kobj.h> 85 #include <sys/queue.h> /* can't avoid that */ 86 #include <sys/sysctl.h> /* can't avoid that */ 87 88 struct iconv_cspair; 89 struct iconv_cspairdata; 90 91 /* 92 * iconv converter class definition 93 */ 94 struct iconv_converter_class { 95 KOBJ_CLASS_FIELDS; 96 TAILQ_ENTRY(iconv_converter_class) cc_link; 97 }; 98 99 struct iconv_cspair { 100 int cp_id; /* unique id of charset pair */ 101 int cp_refcount; /* number of references from other pairs */ 102 const char * cp_from; 103 const char * cp_to; 104 void * cp_data; 105 struct iconv_converter_class * cp_dcp; 106 struct iconv_cspair *cp_base; 107 TAILQ_ENTRY(iconv_cspair) cp_link; 108 }; 109 110 #define KICONV_CONVERTER(name,size) \ 111 static DEFINE_CLASS(iconv_ ## name, iconv_ ## name ## _methods, (size)); \ 112 static moduledata_t iconv_ ## name ## _mod = { \ 113 "iconv_"#name, iconv_converter_handler, \ 114 (void*)&iconv_ ## name ## _class \ 115 }; \ 116 DECLARE_MODULE(iconv_ ## name, iconv_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 117 118 #define KICONV_CES(name,size) \ 119 static DEFINE_CLASS(iconv_ces_ ## name, iconv_ces_ ## name ## _methods, (size)); \ 120 static moduledata_t iconv_ces_ ## name ## _mod = { \ 121 "iconv_ces_"#name, iconv_cesmod_handler, \ 122 (void*)&iconv_ces_ ## name ## _class \ 123 }; \ 124 DECLARE_MODULE(iconv_ces_ ## name, iconv_ces_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 125 126 #ifdef MALLOC_DECLARE 127 MALLOC_DECLARE(M_ICONV); 128 #endif 129 130 /* 131 * Basic conversion functions 132 */ 133 int iconv_open(const char *to, const char *from, void **handle); 134 int iconv_close(void *handle); 135 int iconv_conv(void *handle, const char **inbuf, 136 size_t *inbytesleft, char **outbuf, size_t *outbytesleft); 137 char* iconv_convstr(void *handle, char *dst, const char *src); 138 void* iconv_convmem(void *handle, void *dst, const void *src, int size); 139 140 /* 141 * Internal functions 142 */ 143 int iconv_lookupcp(char **cpp, const char *s); 144 145 int iconv_converter_initstub(struct iconv_converter_class *dp); 146 int iconv_converter_donestub(struct iconv_converter_class *dp); 147 int iconv_converter_handler(module_t mod, int type, void *data); 148 149 #ifdef ICONV_DEBUG 150 #define ICDEBUG(format, args...) printf("%s: "format, __func__ ,## args) 151 #else 152 #define ICDEBUG(format, args...) 153 #endif 154 155 #endif /* !_KERNEL */ 156 157 #endif /* !_SYS_ICONV_H_ */ 158