Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/sys/iconv.h
Version:
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2000-2001 Boris Popov 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 #ifndef _SYS_ICONV_H_ 31 #define _SYS_ICONV_H_ 32 33 #define ICONV_CSNMAXLEN 31 /* maximum length of charset name */ 34 #define ICONV_CNVNMAXLEN 31 /* maximum length of converter name */ 35 /* maximum size of data associated with cs pair */ 36 #define ICONV_CSMAXDATALEN (sizeof(caddr_t) * 0x200 + sizeof(uint32_t) * 0x200 * 0x80) 37 38 #define XLAT16_ACCEPT_NULL_OUT 0x01000000 39 #define XLAT16_ACCEPT_NULL_IN 0x02000000 40 #define XLAT16_HAS_LOWER_CASE 0x04000000 41 #define XLAT16_HAS_UPPER_CASE 0x08000000 42 #define XLAT16_HAS_FROM_LOWER_CASE 0x10000000 43 #define XLAT16_HAS_FROM_UPPER_CASE 0x20000000 44 #define XLAT16_IS_3BYTE_CHR 0x40000000 45 46 #define KICONV_LOWER 1 /* tolower converted character */ 47 #define KICONV_UPPER 2 /* toupper converted character */ 48 #define KICONV_FROM_LOWER 4 /* tolower source character, then convert */ 49 #define KICONV_FROM_UPPER 8 /* toupper source character, then convert */ 50 #define KICONV_WCTYPE 16 /* towlower/towupper characters */ 51 52 #define ENCODING_UNICODE "UTF-16BE" 53 #define KICONV_WCTYPE_NAME "_wctype" 54 55 /* 56 * Entry for cslist sysctl 57 */ 58 #define ICONV_CSPAIR_INFO_VER 1 59 60 struct iconv_cspair_info { 61 int cs_version; 62 int cs_id; 63 int cs_base; 64 int cs_refcount; 65 char cs_to[ICONV_CSNMAXLEN]; 66 char cs_from[ICONV_CSNMAXLEN]; 67 }; 68 69 /* 70 * Parameters for 'add' sysctl 71 */ 72 #define ICONV_ADD_VER 1 73 74 struct iconv_add_in { 75 int ia_version; 76 char ia_converter[ICONV_CNVNMAXLEN]; 77 char ia_to[ICONV_CSNMAXLEN]; 78 char ia_from[ICONV_CSNMAXLEN]; 79 int ia_datalen; 80 const void *ia_data; 81 }; 82 83 struct iconv_add_out { 84 int ia_csid; 85 }; 86 87 #ifndef _KERNEL 88 89 __BEGIN_DECLS 90 91 #define KICONV_VENDOR_MICSFT 1 /* Microsoft Vendor Code for quirk */ 92 93 int kiconv_add_xlat_table(const char *, const char *, const u_char *); 94 int kiconv_add_xlat16_cspair(const char *, const char *, int); 95 int kiconv_add_xlat16_cspairs(const char *, const char *); 96 int kiconv_add_xlat16_table(const char *, const char *, const void *, int); 97 int kiconv_lookupconv(const char *drvname); 98 int kiconv_lookupcs(const char *tocode, const char *fromcode); 99 const char *kiconv_quirkcs(const char *, int); 100 101 __END_DECLS 102 103 #else /* !_KERNEL */ 104 105 #include <sys/kobj.h> 106 #include <sys/module.h> /* can't avoid that */ 107 #include <sys/queue.h> /* can't avoid that */ 108 #include <sys/sysctl.h> /* can't avoid that */ 109 110 struct iconv_cspair; 111 struct iconv_cspairdata; 112 113 /* 114 * iconv converter class definition 115 */ 116 struct iconv_converter_class { 117 KOBJ_CLASS_FIELDS; 118 TAILQ_ENTRY(iconv_converter_class) cc_link; 119 }; 120 121 struct iconv_cspair { 122 int cp_id; /* unique id of charset pair */ 123 int cp_refcount; /* number of references from other pairs */ 124 const char * cp_from; 125 const char * cp_to; 126 void * cp_data; 127 struct iconv_converter_class * cp_dcp; 128 struct iconv_cspair *cp_base; 129 TAILQ_ENTRY(iconv_cspair) cp_link; 130 }; 131 132 #define KICONV_CONVERTER(name,size) \ 133 static struct iconv_converter_class iconv_ ## name ## _class = { \ 134 "iconv_"#name, iconv_ ## name ## _methods, size, NULL \ 135 }; \ 136 static moduledata_t iconv_ ## name ## _mod = { \ 137 "iconv_"#name, iconv_converter_handler, \ 138 (void*)&iconv_ ## name ## _class \ 139 }; \ 140 DECLARE_MODULE(iconv_ ## name, iconv_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 141 142 #define KICONV_CES(name,size) \ 143 static DEFINE_CLASS(iconv_ces_ ## name, iconv_ces_ ## name ## _methods, (size)); \ 144 static moduledata_t iconv_ces_ ## name ## _mod = { \ 145 "iconv_ces_"#name, iconv_cesmod_handler, \ 146 (void*)&iconv_ces_ ## name ## _class \ 147 }; \ 148 DECLARE_MODULE(iconv_ces_ ## name, iconv_ces_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 149 150 #ifdef MALLOC_DECLARE 151 MALLOC_DECLARE(M_ICONV); 152 #endif 153 154 /* 155 * Basic conversion functions 156 */ 157 int iconv_open(const char *to, const char *from, void **handle); 158 int iconv_close(void *handle); 159 int iconv_conv(void *handle, const char **inbuf, 160 size_t *inbytesleft, char **outbuf, size_t *outbytesleft); 161 int iconv_conv_case(void *handle, const char **inbuf, 162 size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype); 163 int iconv_convchr(void *handle, const char **inbuf, 164 size_t *inbytesleft, char **outbuf, size_t *outbytesleft); 165 int iconv_convchr_case(void *handle, const char **inbuf, 166 size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype); 167 int iconv_add(const char *converter, const char *to, const char *from); 168 char* iconv_convstr(void *handle, char *dst, const char *src); 169 void* iconv_convmem(void *handle, void *dst, const void *src, int size); 170 int iconv_vfs_refcount(const char *fsname); 171 172 int towlower(int c, void *handle); 173 int towupper(int c, void *handle); 174 175 /* 176 * Bridge struct of iconv functions 177 */ 178 struct iconv_functions { 179 int (*open)(const char *to, const char *from, void **handle); 180 int (*close)(void *handle); 181 int (*conv)(void *handle, const char **inbuf, size_t *inbytesleft, 182 char **outbuf, size_t *outbytesleft); 183 int (*conv_case)(void *handle, const char **inbuf, size_t *inbytesleft, 184 char **outbuf, size_t *outbytesleft, int casetype); 185 int (*convchr)(void *handle, const char **inbuf, size_t *inbytesleft, 186 char **outbuf, size_t *outbytesleft); 187 int (*convchr_case)(void *handle, const char **inbuf, size_t *inbytesleft, 188 char **outbuf, size_t *outbytesleft, int casetype); 189 }; 190 191 #define VFS_DECLARE_ICONV(fsname) \ 192 static struct iconv_functions fsname ## _iconv_core = { \ 193 iconv_open, \ 194 iconv_close, \ 195 iconv_conv, \ 196 iconv_conv_case, \ 197 iconv_convchr, \ 198 iconv_convchr_case \ 199 }; \ 200 extern struct iconv_functions *fsname ## _iconv; \ 201 static int fsname ## _iconv_mod_handler(module_t mod, \ 202 int type, void *d); \ 203 static int \ 204 fsname ## _iconv_mod_handler(module_t mod, int type, void *d) \ 205 { \ 206 int error = 0; \ 207 switch(type) { \ 208 case MOD_LOAD: \ 209 fsname ## _iconv = & fsname ## _iconv_core; \ 210 break; \ 211 case MOD_UNLOAD: \ 212 error = iconv_vfs_refcount(#fsname); \ 213 if (error) \ 214 return (EBUSY); \ 215 fsname ## _iconv = NULL; \ 216 break; \ 217 default: \ 218 error = EINVAL; \ 219 break; \ 220 } \ 221 return (error); \ 222 } \ 223 static moduledata_t fsname ## _iconv_mod = { \ 224 #fsname"_iconv", \ 225 fsname ## _iconv_mod_handler, \ 226 NULL \ 227 }; \ 228 DECLARE_MODULE(fsname ## _iconv, fsname ## _iconv_mod, \ 229 SI_SUB_DRIVERS, SI_ORDER_ANY); \ 230 MODULE_DEPEND(fsname ## _iconv, fsname, 1, 1, 1); \ 231 MODULE_DEPEND(fsname ## _iconv, libiconv, 2, 2, 2); \ 232 MODULE_VERSION(fsname ## _iconv, 1) 233 234 /* 235 * Internal functions 236 */ 237 int iconv_lookupcp(char **cpp, const char *s); 238 239 int iconv_converter_initstub(struct iconv_converter_class *dp); 240 int iconv_converter_donestub(struct iconv_converter_class *dp); 241 int iconv_converter_tolowerstub(int c, void *handle); 242 int iconv_converter_handler(module_t mod, int type, void *data); 243 244 #ifdef ICONV_DEBUG 245 #define ICDEBUG(format, ...) printf("%s: "format, __func__ , ## __VA_ARGS__) 246 #else 247 #define ICDEBUG(format, ...) 248 #endif 249 250 #endif /* !_KERNEL */ 251 252 #endif /* !_SYS_ICONV_H_ */
Cache object: 1e236024de590012adcac42225e5e102
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