lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* Header describing internals of libintl library. |
| 2 | Copyright (C) 1995-2015 Free Software Foundation, Inc. |
| 3 | Written by Ulrich Drepper <drepper@cygnus.com>, 1995. |
| 4 | |
| 5 | This program is free software: you can redistribute it and/or modify |
| 6 | it under the terms of the GNU Lesser General Public License as published by |
| 7 | the Free Software Foundation; either version 2.1 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #ifndef _GETTEXTP_H |
| 19 | #define _GETTEXTP_H |
| 20 | |
| 21 | #include <stddef.h> /* Get size_t. */ |
| 22 | |
| 23 | #ifdef _LIBC |
| 24 | # include "../iconv/gconv_int.h" |
| 25 | #else |
| 26 | # if HAVE_ICONV |
| 27 | # include <iconv.h> |
| 28 | # endif |
| 29 | #endif |
| 30 | |
| 31 | /* Handle multi-threaded applications. */ |
| 32 | #ifdef _LIBC |
| 33 | # include <bits/libc-lock.h> |
| 34 | # define gl_rwlock_define __libc_rwlock_define |
| 35 | #else |
| 36 | # include "lock.h" |
| 37 | #endif |
| 38 | |
| 39 | #ifdef _LIBC |
| 40 | struct loaded_domain; |
| 41 | extern char *__gettext (const char *__msgid); |
| 42 | extern char *__dgettext (const char *__domainname, const char *__msgid); |
| 43 | extern char *__dcgettext (const char *__domainname, const char *__msgid, |
| 44 | int __category); |
| 45 | extern char *__ngettext (const char *__msgid1, const char *__msgid2, |
| 46 | unsigned long int __n); |
| 47 | extern char *__dngettext (const char *__domainname, |
| 48 | const char *__msgid1, const char *__msgid2, |
| 49 | unsigned long int n); |
| 50 | extern char *__dcngettext (const char *__domainname, |
| 51 | const char *__msgid1, const char *__msgid2, |
| 52 | unsigned long int __n, int __category); |
| 53 | extern char *__dcigettext (const char *__domainname, |
| 54 | const char *__msgid1, const char *__msgid2, |
| 55 | int __plural, unsigned long int __n, |
| 56 | int __category); |
| 57 | extern char *__textdomain (const char *__domainname); |
| 58 | extern char *__bindtextdomain (const char *__domainname, |
| 59 | const char *__dirname); |
| 60 | extern char *__bind_textdomain_codeset (const char *__domainname, |
| 61 | const char *__codeset); |
| 62 | extern void _nl_finddomain_subfreeres (void) attribute_hidden; |
| 63 | extern void _nl_unload_domain (struct loaded_domain *__domain) |
| 64 | internal_function attribute_hidden; |
| 65 | #else |
| 66 | /* Declare the exported libintl_* functions, in a way that allows us to |
| 67 | call them under their real name. */ |
| 68 | # undef _INTL_REDIRECT_INLINE |
| 69 | # undef _INTL_REDIRECT_MACROS |
| 70 | # define _INTL_REDIRECT_MACROS |
| 71 | # include "libgnuintl.h" |
| 72 | # ifdef IN_LIBGLOCALE |
| 73 | extern char *gl_dcigettext (const char *__domainname, |
| 74 | const char *__msgid1, const char *__msgid2, |
| 75 | int __plural, unsigned long int __n, |
| 76 | int __category, |
| 77 | const char *__localename, const char *__encoding); |
| 78 | # else |
| 79 | extern char *libintl_dcigettext (const char *__domainname, |
| 80 | const char *__msgid1, const char *__msgid2, |
| 81 | int __plural, unsigned long int __n, |
| 82 | int __category); |
| 83 | # endif |
| 84 | #endif |
| 85 | |
| 86 | #include "loadinfo.h" |
| 87 | |
| 88 | #include "gmo.h" /* Get nls_uint32. */ |
| 89 | |
| 90 | /* @@ end of prolog @@ */ |
| 91 | |
| 92 | #ifndef internal_function |
| 93 | # define internal_function |
| 94 | #endif |
| 95 | |
| 96 | #ifndef attribute_hidden |
| 97 | # define attribute_hidden |
| 98 | #endif |
| 99 | |
| 100 | /* Tell the compiler when a conditional or integer expression is |
| 101 | almost always true or almost always false. */ |
| 102 | #ifndef HAVE_BUILTIN_EXPECT |
| 103 | # define __builtin_expect(expr, val) (expr) |
| 104 | #endif |
| 105 | |
| 106 | #ifndef W |
| 107 | # define W(flag, data) ((flag) ? SWAP (data) : (data)) |
| 108 | #endif |
| 109 | |
| 110 | |
| 111 | #ifdef _LIBC |
| 112 | # include <byteswap.h> |
| 113 | # define SWAP(i) bswap_32 (i) |
| 114 | #else |
| 115 | static inline nls_uint32 |
| 116 | # ifdef __cplusplus |
| 117 | SWAP (nls_uint32 i) |
| 118 | # else |
| 119 | SWAP (i) |
| 120 | nls_uint32 i; |
| 121 | # endif |
| 122 | { |
| 123 | return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24); |
| 124 | } |
| 125 | #endif |
| 126 | |
| 127 | |
| 128 | /* In-memory representation of system dependent string. */ |
| 129 | struct sysdep_string_desc |
| 130 | { |
| 131 | /* Length of addressed string, including the trailing NUL. */ |
| 132 | size_t length; |
| 133 | /* Pointer to addressed string. */ |
| 134 | const char *pointer; |
| 135 | }; |
| 136 | |
| 137 | /* Cache of translated strings after charset conversion. |
| 138 | Note: The strings are converted to the target encoding only on an as-needed |
| 139 | basis. */ |
| 140 | struct converted_domain |
| 141 | { |
| 142 | /* The target encoding name. */ |
| 143 | const char *encoding; |
| 144 | /* The descriptor for conversion from the message catalog's encoding to |
| 145 | this target encoding. */ |
| 146 | #ifdef _LIBC |
| 147 | __gconv_t conv; |
| 148 | #else |
| 149 | # if HAVE_ICONV |
| 150 | iconv_t conv; |
| 151 | # endif |
| 152 | #endif |
| 153 | /* The table of translated strings after charset conversion. */ |
| 154 | char **conv_tab; |
| 155 | }; |
| 156 | |
| 157 | /* The representation of an opened message catalog. */ |
| 158 | struct loaded_domain |
| 159 | { |
| 160 | /* Pointer to memory containing the .mo file. */ |
| 161 | const char *data; |
| 162 | /* 1 if the memory is mmap()ed, 0 if the memory is malloc()ed. */ |
| 163 | int use_mmap; |
| 164 | /* Size of mmap()ed memory. */ |
| 165 | size_t mmap_size; |
| 166 | /* 1 if the .mo file uses a different endianness than this machine. */ |
| 167 | int must_swap; |
| 168 | /* Pointer to additional malloc()ed memory. */ |
| 169 | void *malloced; |
| 170 | |
| 171 | /* Number of static strings pairs. */ |
| 172 | nls_uint32 nstrings; |
| 173 | /* Pointer to descriptors of original strings in the file. */ |
| 174 | const struct string_desc *orig_tab; |
| 175 | /* Pointer to descriptors of translated strings in the file. */ |
| 176 | const struct string_desc *trans_tab; |
| 177 | |
| 178 | /* Number of system dependent strings pairs. */ |
| 179 | nls_uint32 n_sysdep_strings; |
| 180 | /* Pointer to descriptors of original sysdep strings. */ |
| 181 | const struct sysdep_string_desc *orig_sysdep_tab; |
| 182 | /* Pointer to descriptors of translated sysdep strings. */ |
| 183 | const struct sysdep_string_desc *trans_sysdep_tab; |
| 184 | |
| 185 | /* Size of hash table. */ |
| 186 | nls_uint32 hash_size; |
| 187 | /* Pointer to hash table. */ |
| 188 | const nls_uint32 *hash_tab; |
| 189 | /* 1 if the hash table uses a different endianness than this machine. */ |
| 190 | int must_swap_hash_tab; |
| 191 | |
| 192 | /* Cache of charset conversions of the translated strings. */ |
| 193 | struct converted_domain *conversions; |
| 194 | size_t nconversions; |
| 195 | gl_rwlock_define (, conversions_lock) |
| 196 | |
| 197 | const struct expression *plural; |
| 198 | unsigned long int nplurals; |
| 199 | }; |
| 200 | |
| 201 | /* We want to allocate a string at the end of the struct. But ISO C |
| 202 | doesn't allow zero sized arrays. */ |
| 203 | #ifdef __GNUC__ |
| 204 | # define ZERO 0 |
| 205 | #else |
| 206 | # define ZERO 1 |
| 207 | #endif |
| 208 | |
| 209 | /* A set of settings bound to a message domain. Used to store settings |
| 210 | from bindtextdomain() and bind_textdomain_codeset(). */ |
| 211 | struct binding |
| 212 | { |
| 213 | struct binding *next; |
| 214 | char *dirname; |
| 215 | char *codeset; |
| 216 | char domainname[ZERO]; |
| 217 | }; |
| 218 | |
| 219 | /* A counter which is incremented each time some previous translations |
| 220 | become invalid. |
| 221 | This variable is part of the external ABI of the GNU libintl. */ |
| 222 | #ifdef IN_LIBGLOCALE |
| 223 | # include <glocale/config.h> |
| 224 | extern LIBGLOCALE_DLL_EXPORTED int _nl_msg_cat_cntr; |
| 225 | #else |
| 226 | extern LIBINTL_DLL_EXPORTED int _nl_msg_cat_cntr; |
| 227 | #endif |
| 228 | |
| 229 | #ifndef _LIBC |
| 230 | extern const char *_nl_language_preferences_default (void); |
| 231 | # define gl_locale_name_canonicalize _nl_locale_name_canonicalize |
| 232 | extern void _nl_locale_name_canonicalize (char *name); |
| 233 | # define gl_locale_name_from_win32_LANGID _nl_locale_name_from_win32_LANGID |
| 234 | /* extern const char *_nl_locale_name_from_win32_LANGID (LANGID langid); */ |
| 235 | # define gl_locale_name_from_win32_LCID _nl_locale_name_from_win32_LCID |
| 236 | /* extern const char *_nl_locale_name_from_win32_LCID (LCID lcid); */ |
| 237 | # define gl_locale_name_thread_unsafe _nl_locale_name_thread_unsafe |
| 238 | extern const char *_nl_locale_name_thread_unsafe (int category, |
| 239 | const char *categoryname); |
| 240 | # define gl_locale_name_thread _nl_locale_name_thread |
| 241 | /* extern const char *_nl_locale_name_thread (int category, |
| 242 | const char *categoryname); */ |
| 243 | # define gl_locale_name_posix _nl_locale_name_posix |
| 244 | extern const char *_nl_locale_name_posix (int category, |
| 245 | const char *categoryname); |
| 246 | # define gl_locale_name_environ _nl_locale_name_environ |
| 247 | extern const char *_nl_locale_name_environ (int category, |
| 248 | const char *categoryname); |
| 249 | # define gl_locale_name_default _nl_locale_name_default |
| 250 | extern const char *_nl_locale_name_default (void); |
| 251 | # define gl_locale_name _nl_locale_name |
| 252 | /* extern const char *_nl_locale_name (int category, |
| 253 | const char *categoryname); */ |
| 254 | #endif |
| 255 | |
| 256 | struct loaded_l10nfile *_nl_find_domain (const char *__dirname, char *__locale, |
| 257 | const char *__domainname, |
| 258 | struct binding *__domainbinding) |
| 259 | internal_function; |
| 260 | void _nl_load_domain (struct loaded_l10nfile *__domain, |
| 261 | struct binding *__domainbinding) |
| 262 | internal_function; |
| 263 | |
| 264 | #ifdef IN_LIBGLOCALE |
| 265 | char *_nl_find_msg (struct loaded_l10nfile *domain_file, |
| 266 | struct binding *domainbinding, const char *encoding, |
| 267 | const char *msgid, |
| 268 | size_t *lengthp) |
| 269 | internal_function; |
| 270 | #else |
| 271 | char *_nl_find_msg (struct loaded_l10nfile *domain_file, |
| 272 | struct binding *domainbinding, const char *msgid, |
| 273 | int convert, size_t *lengthp) |
| 274 | internal_function; |
| 275 | #endif |
| 276 | |
| 277 | /* The internal variables in the standalone libintl.a must have different |
| 278 | names than the internal variables in GNU libc, otherwise programs |
| 279 | using libintl.a cannot be linked statically. */ |
| 280 | #if !defined _LIBC |
| 281 | # define _nl_default_dirname libintl_nl_default_dirname |
| 282 | # define _nl_domain_bindings libintl_nl_domain_bindings |
| 283 | #endif |
| 284 | |
| 285 | /* Contains the default location of the message catalogs. */ |
| 286 | extern const char _nl_default_dirname[]; |
| 287 | #ifdef _LIBC |
| 288 | libc_hidden_proto (_nl_default_dirname) |
| 289 | #endif |
| 290 | |
| 291 | /* List with bindings of specific domains. */ |
| 292 | extern struct binding *_nl_domain_bindings; |
| 293 | |
| 294 | /* The internal variables in the standalone libintl.a must have different |
| 295 | names than the internal variables in GNU libc, otherwise programs |
| 296 | using libintl.a cannot be linked statically. */ |
| 297 | #if !defined _LIBC |
| 298 | # define _nl_default_default_domain libintl_nl_default_default_domain |
| 299 | # define _nl_current_default_domain libintl_nl_current_default_domain |
| 300 | #endif |
| 301 | |
| 302 | /* Name of the default text domain. */ |
| 303 | extern const char _nl_default_default_domain[] attribute_hidden; |
| 304 | |
| 305 | /* Default text domain in which entries for gettext(3) are to be found. */ |
| 306 | extern const char *_nl_current_default_domain attribute_hidden; |
| 307 | |
| 308 | /* @@ begin of epilog @@ */ |
| 309 | |
| 310 | #endif /* gettextP.h */ |