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 * 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: releng/9.0/sys/sys/iconv.h 206361 2010-04-07 16:50:38Z joel $ 27 */ 28 #ifndef _SYS_ICONV_H_ 29 #define _SYS_ICONV_H_ 30 31 #define ICONV_CSNMAXLEN 31 /* maximum length of charset name */ 32 #define ICONV_CNVNMAXLEN 31 /* maximum length of converter name */ 33 /* maximum size of data associated with cs pair */ 34 #define ICONV_CSMAXDATALEN (sizeof(caddr_t) * 0x200 + sizeof(uint32_t) * 0x200 * 0x80) 35 36 #define XLAT16_ACCEPT_NULL_OUT 0x01000000 37 #define XLAT16_ACCEPT_NULL_IN 0x02000000 38 #define XLAT16_HAS_LOWER_CASE 0x04000000 39 #define XLAT16_HAS_UPPER_CASE 0x08000000 40 #define XLAT16_HAS_FROM_LOWER_CASE 0x10000000 41 #define XLAT16_HAS_FROM_UPPER_CASE 0x20000000 42 #define XLAT16_IS_3BYTE_CHR 0x40000000 43 44 #define KICONV_LOWER 1 /* tolower converted character */ 45 #define KICONV_UPPER 2 /* toupper converted character */ 46 #define KICONV_FROM_LOWER 4 /* tolower source character, then convert */ 47 #define KICONV_FROM_UPPER 8 /* toupper source character, then convert */ 48 #define KICONV_WCTYPE 16 /* towlower/towupper characters */ 49 50 #define KICONV_WCTYPE_NAME "_wctype" 51 52 /* 53 * Entry for cslist sysctl 54 */ 55 #define ICONV_CSPAIR_INFO_VER 1 56 57 struct iconv_cspair_info { 58 int cs_version; 59 int cs_id; 60 int cs_base; 61 int cs_refcount; 62 char cs_to[ICONV_CSNMAXLEN]; 63 char cs_from[ICONV_CSNMAXLEN]; 64 }; 65 66 /* 67 * Paramters for 'add' sysctl 68 */ 69 #define ICONV_ADD_VER 1 70 71 struct iconv_add_in { 72 int ia_version; 73 char ia_converter[ICONV_CNVNMAXLEN]; 74 char ia_to[ICONV_CSNMAXLEN]; 75 char ia_from[ICONV_CSNMAXLEN]; 76 int ia_datalen; 77 const void *ia_data; 78 }; 79 80 struct iconv_add_out { 81 int ia_csid; 82 }; 83 84 #ifndef _KERNEL 85 86 __BEGIN_DECLS 87 88 #define ENCODING_UNICODE "UTF-16BE" 89 #define KICONV_VENDOR_MICSFT 1 /* Microsoft Vendor Code for quirk */ 90 91 int kiconv_add_xlat_table(const char *, const char *, const u_char *); 92 int kiconv_add_xlat16_cspair(const char *, const char *, int); 93 int kiconv_add_xlat16_cspairs(const char *, const char *); 94 int kiconv_add_xlat16_table(const char *, const char *, const void *, int); 95 int kiconv_lookupconv(const char *drvname); 96 int kiconv_lookupcs(const char *tocode, const char *fromcode); 97 const char *kiconv_quirkcs(const char *, int); 98 99 __END_DECLS 100 101 #else /* !_KERNEL */ 102 103 #include <sys/kobj.h> 104 #include <sys/module.h> /* can't avoid that */ 105 #include <sys/queue.h> /* can't avoid that */ 106 #include <sys/sysctl.h> /* can't avoid that */ 107 108 struct iconv_cspair; 109 struct iconv_cspairdata; 110 111 /* 112 * iconv converter class definition 113 */ 114 struct iconv_converter_class { 115 KOBJ_CLASS_FIELDS; 116 TAILQ_ENTRY(iconv_converter_class) cc_link; 117 }; 118 119 struct iconv_cspair { 120 int cp_id; /* unique id of charset pair */ 121 int cp_refcount; /* number of references from other pairs */ 122 const char * cp_from; 123 const char * cp_to; 124 void * cp_data; 125 struct iconv_converter_class * cp_dcp; 126 struct iconv_cspair *cp_base; 127 TAILQ_ENTRY(iconv_cspair) cp_link; 128 }; 129 130 #define KICONV_CONVERTER(name,size) \ 131 static struct iconv_converter_class iconv_ ## name ## _class = { \ 132 "iconv_"#name, iconv_ ## name ## _methods, size, NULL \ 133 }; \ 134 static moduledata_t iconv_ ## name ## _mod = { \ 135 "iconv_"#name, iconv_converter_handler, \ 136 (void*)&iconv_ ## name ## _class \ 137 }; \ 138 DECLARE_MODULE(iconv_ ## name, iconv_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 139 140 #define KICONV_CES(name,size) \ 141 static DEFINE_CLASS(iconv_ces_ ## name, iconv_ces_ ## name ## _methods, (size)); \ 142 static moduledata_t iconv_ces_ ## name ## _mod = { \ 143 "iconv_ces_"#name, iconv_cesmod_handler, \ 144 (void*)&iconv_ces_ ## name ## _class \ 145 }; \ 146 DECLARE_MODULE(iconv_ces_ ## name, iconv_ces_ ## name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); 147 148 #ifdef MALLOC_DECLARE 149 MALLOC_DECLARE(M_ICONV); 150 #endif 151 152 /* 153 * Basic conversion functions 154 */ 155 int iconv_open(const char *to, const char *from, void **handle); 156 int iconv_close(void *handle); 157 int iconv_conv(void *handle, const char **inbuf, 158 size_t *inbytesleft, char **outbuf, size_t *outbytesleft); 159 int iconv_conv_case(void *handle, const char **inbuf, 160 size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype); 161 int iconv_convchr(void *handle, const char **inbuf, 162 size_t *inbytesleft, char **outbuf, size_t *outbytesleft); 163 int iconv_convchr_case(void *handle, const char **inbuf, 164 size_t *inbytesleft, char **outbuf, size_t *outbytesleft, int casetype); 165 char* iconv_convstr(void *handle, char *dst, const char *src); 166 void* iconv_convmem(void *handle, void *dst, const void *src, int size); 167 int iconv_vfs_refcount(const char *fsname); 168 169 int towlower(int c, void *handle); 170 int towupper(int c, void *handle); 171 172 /* 173 * Bridge struct of iconv functions 174 */ 175 struct iconv_functions { 176 int (*open)(const char *to, const char *from, void **handle); 177 int (*close)(void *handle); 178 int (*conv)(void *handle, const char **inbuf, size_t *inbytesleft, 179 char **outbuf, size_t *outbytesleft); 180 int (*conv_case)(void *handle, const char **inbuf, size_t *inbytesleft, 181 char **outbuf, size_t *outbytesleft, int casetype); 182 int (*convchr)(void *handle, const char **inbuf, size_t *inbytesleft, 183 char **outbuf, size_t *outbytesleft); 184 int (*convchr_case)(void *handle, const char **inbuf, size_t *inbytesleft, 185 char **outbuf, size_t *outbytesleft, int casetype); 186 }; 187 188 #define VFS_DECLARE_ICONV(fsname) \ 189 static struct iconv_functions fsname ## _iconv_core = { \ 190 iconv_open, \ 191 iconv_close, \ 192 iconv_conv, \ 193 iconv_conv_case, \ 194 iconv_convchr, \ 195 iconv_convchr_case \ 196 }; \ 197 extern struct iconv_functions *fsname ## _iconv; \ 198 static int fsname ## _iconv_mod_handler(module_t mod, \ 199 int type, void *d); \ 200 static int \ 201 fsname ## _iconv_mod_handler(module_t mod, int type, void *d) \ 202 { \ 203 int error = 0; \ 204 switch(type) { \ 205 case MOD_LOAD: \ 206 fsname ## _iconv = & fsname ## _iconv_core; \ 207 break; \ 208 case MOD_UNLOAD: \ 209 error = iconv_vfs_refcount(#fsname); \ 210 if (error) \ 211 return (EBUSY); \ 212 fsname ## _iconv = NULL; \ 213 break; \ 214 default: \ 215 error = EINVAL; \ 216 break; \ 217 } \ 218 return (error); \ 219 } \ 220 static moduledata_t fsname ## _iconv_mod = { \ 221 #fsname"_iconv", \ 222 fsname ## _iconv_mod_handler, \ 223 NULL \ 224 }; \ 225 DECLARE_MODULE(fsname ## _iconv, fsname ## _iconv_mod, \ 226 SI_SUB_DRIVERS, SI_ORDER_ANY); \ 227 MODULE_DEPEND(fsname ## _iconv, fsname, 1, 1, 1); \ 228 MODULE_DEPEND(fsname ## _iconv, libiconv, 2, 2, 2); \ 229 MODULE_VERSION(fsname ## _iconv, 1) 230 231 /* 232 * Internal functions 233 */ 234 int iconv_lookupcp(char **cpp, const char *s); 235 236 int iconv_converter_initstub(struct iconv_converter_class *dp); 237 int iconv_converter_donestub(struct iconv_converter_class *dp); 238 int iconv_converter_tolowerstub(int c, void *handle); 239 int iconv_converter_handler(module_t mod, int type, void *data); 240 241 #ifdef ICONV_DEBUG 242 #define ICDEBUG(format, ...) printf("%s: "format, __func__ , __VA_ARGS__) 243 #else 244 #define ICDEBUG(format, ...) 245 #endif 246 247 #endif /* !_KERNEL */ 248 249 #endif /* !_SYS_ICONV_H_ */
Cache object: 401571d55aa7bd31e4217f39ebbf6c07
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