1 /* Header describing internals of libintl library.
2 Copyright (C) 1995-2016 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
SWAP(nls_uint32 i)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 #if defined __KLIBC__ && !defined _LIBC
223 # define _nl_msg_cat_cntr libintl_nl_msg_cat_cntr
224 #endif
225 #ifdef IN_LIBGLOCALE
226 # include <glocale/config.h>
227 extern LIBGLOCALE_DLL_EXPORTED int _nl_msg_cat_cntr;
228 #else
229 extern LIBINTL_DLL_EXPORTED int _nl_msg_cat_cntr;
230 #endif
231
232 #ifndef _LIBC
233 extern const char *_nl_language_preferences_default (void);
234 # define gl_locale_name_canonicalize _nl_locale_name_canonicalize
235 extern void _nl_locale_name_canonicalize (char *name);
236 # define gl_locale_name_from_win32_LANGID _nl_locale_name_from_win32_LANGID
237 /* extern const char *_nl_locale_name_from_win32_LANGID (LANGID langid); */
238 # define gl_locale_name_from_win32_LCID _nl_locale_name_from_win32_LCID
239 /* extern const char *_nl_locale_name_from_win32_LCID (LCID lcid); */
240 # define gl_locale_name_thread_unsafe _nl_locale_name_thread_unsafe
241 extern const char *_nl_locale_name_thread_unsafe (int category,
242 const char *categoryname);
243 # define gl_locale_name_thread _nl_locale_name_thread
244 /* extern const char *_nl_locale_name_thread (int category,
245 const char *categoryname); */
246 # define gl_locale_name_posix _nl_locale_name_posix
247 extern const char *_nl_locale_name_posix (int category,
248 const char *categoryname);
249 # define gl_locale_name_environ _nl_locale_name_environ
250 extern const char *_nl_locale_name_environ (int category,
251 const char *categoryname);
252 # define gl_locale_name_default _nl_locale_name_default
253 extern const char *_nl_locale_name_default (void);
254 # define gl_locale_name _nl_locale_name
255 /* extern const char *_nl_locale_name (int category,
256 const char *categoryname); */
257 #endif
258
259 struct loaded_l10nfile *_nl_find_domain (const char *__dirname, char *__locale,
260 const char *__domainname,
261 struct binding *__domainbinding)
262 internal_function;
263 void _nl_load_domain (struct loaded_l10nfile *__domain,
264 struct binding *__domainbinding)
265 internal_function;
266
267 #ifdef IN_LIBGLOCALE
268 char *_nl_find_msg (struct loaded_l10nfile *domain_file,
269 struct binding *domainbinding, const char *encoding,
270 const char *msgid,
271 size_t *lengthp)
272 internal_function;
273 #else
274 char *_nl_find_msg (struct loaded_l10nfile *domain_file,
275 struct binding *domainbinding, const char *msgid,
276 int convert, size_t *lengthp)
277 internal_function;
278 #endif
279
280 /* The internal variables in the standalone libintl.a must have different
281 names than the internal variables in GNU libc, otherwise programs
282 using libintl.a cannot be linked statically. */
283 #if !defined _LIBC
284 # define _nl_default_dirname libintl_nl_default_dirname
285 # define _nl_domain_bindings libintl_nl_domain_bindings
286 #endif
287
288 /* Contains the default location of the message catalogs. */
289 extern const char _nl_default_dirname[];
290 #ifdef _LIBC
291 libc_hidden_proto (_nl_default_dirname)
292 #endif
293
294 /* List with bindings of specific domains. */
295 extern struct binding *_nl_domain_bindings;
296
297 /* The internal variables in the standalone libintl.a must have different
298 names than the internal variables in GNU libc, otherwise programs
299 using libintl.a cannot be linked statically. */
300 #if !defined _LIBC
301 # define _nl_default_default_domain libintl_nl_default_default_domain
302 # define _nl_current_default_domain libintl_nl_current_default_domain
303 #endif
304
305 /* Name of the default text domain. */
306 extern const char _nl_default_default_domain[] attribute_hidden;
307
308 /* Default text domain in which entries for gettext(3) are to be found. */
309 extern const char *_nl_current_default_domain attribute_hidden;
310
311 /* @@ begin of epilog @@ */
312
313 #endif /* gettextP.h */
314