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[glibc.git] / intl / gettextP.h
blob46b51e100829ca237d5e78023daad078f5441880
1 /* Header describing internals of libintl library.
2 Copyright (C) 1995-1999, 2000, 2001, 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Ulrich Drepper <drepper@cygnus.com>, 1995.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #ifndef _GETTEXTP_H
22 #define _GETTEXTP_H
24 #include <stddef.h> /* Get size_t. */
26 #ifdef _LIBC
27 # include "../iconv/gconv_int.h"
28 #else
29 # if HAVE_ICONV
30 # include <iconv.h>
31 # endif
32 #endif
34 #include "loadinfo.h"
36 #include "gmo.h" /* Get nls_uint32. */
38 /* @@ end of prolog @@ */
40 #ifndef PARAMS
41 # if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES
42 # define PARAMS(args) args
43 # else
44 # define PARAMS(args) ()
45 # endif
46 #endif
48 #ifndef internal_function
49 # define internal_function
50 #endif
52 #ifndef attribute_hidden
53 # define attribute_hidden
54 #endif
56 /* Tell the compiler when a conditional or integer expression is
57 almost always true or almost always false. */
58 #ifndef HAVE_BUILTIN_EXPECT
59 # define __builtin_expect(expr, val) (expr)
60 #endif
62 #ifndef W
63 # define W(flag, data) ((flag) ? SWAP (data) : (data))
64 #endif
67 #ifdef _LIBC
68 # include <byteswap.h>
69 # define SWAP(i) bswap_32 (i)
70 #else
71 static nls_uint32 SWAP PARAMS ((nls_uint32 i));
73 static inline nls_uint32
74 SWAP (i)
75 nls_uint32 i;
77 return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
79 #endif
82 /* In-memory representation of system dependent string. */
83 struct sysdep_string_desc
85 /* Length of addressed string, including the trailing NUL. */
86 size_t length;
87 /* Pointer to addressed string. */
88 const char *pointer;
91 /* The representation of an opened message catalog. */
92 struct loaded_domain
94 /* Pointer to memory containing the .mo file. */
95 const char *data;
96 /* 1 if the memory is mmap()ed, 0 if the memory is malloc()ed. */
97 int use_mmap;
98 /* Size of mmap()ed memory. */
99 size_t mmap_size;
100 /* 1 if the .mo file uses a different endianness than this machine. */
101 int must_swap;
102 /* Pointer to additional malloc()ed memory. */
103 void *malloced;
105 /* Number of static strings pairs. */
106 nls_uint32 nstrings;
107 /* Pointer to descriptors of original strings in the file. */
108 const struct string_desc *orig_tab;
109 /* Pointer to descriptors of translated strings in the file. */
110 const struct string_desc *trans_tab;
112 /* Number of system dependent strings pairs. */
113 nls_uint32 n_sysdep_strings;
114 /* Pointer to descriptors of original sysdep strings. */
115 const struct sysdep_string_desc *orig_sysdep_tab;
116 /* Pointer to descriptors of translated sysdep strings. */
117 const struct sysdep_string_desc *trans_sysdep_tab;
119 /* Size of hash table. */
120 nls_uint32 hash_size;
121 /* Pointer to hash table. */
122 const nls_uint32 *hash_tab;
123 /* 1 if the hash table uses a different endianness than this machine. */
124 int must_swap_hash_tab;
126 int codeset_cntr;
127 #ifdef _LIBC
128 __gconv_t conv;
129 #else
130 # if HAVE_ICONV
131 iconv_t conv;
132 # endif
133 #endif
134 char **conv_tab;
136 struct expression *plural;
137 unsigned long int nplurals;
140 /* We want to allocate a string at the end of the struct. But ISO C
141 doesn't allow zero sized arrays. */
142 #ifdef __GNUC__
143 # define ZERO 0
144 #else
145 # define ZERO 1
146 #endif
148 /* A set of settings bound to a message domain. Used to store settings
149 from bindtextdomain() and bind_textdomain_codeset(). */
150 struct binding
152 struct binding *next;
153 char *dirname;
154 int codeset_cntr; /* Incremented each time codeset changes. */
155 char *codeset;
156 char domainname[ZERO];
159 /* A counter which is incremented each time some previous translations
160 become invalid.
161 This variable is part of the external ABI of the GNU libintl. */
162 extern int _nl_msg_cat_cntr;
164 #ifndef _LIBC
165 const char *_nl_locale_name PARAMS ((int category, const char *categoryname));
166 #endif
168 struct loaded_l10nfile *_nl_find_domain PARAMS ((const char *__dirname,
169 char *__locale,
170 const char *__domainname,
171 struct binding *__domainbinding))
172 internal_function;
173 void _nl_load_domain PARAMS ((struct loaded_l10nfile *__domain,
174 struct binding *__domainbinding))
175 internal_function;
176 const char *_nl_init_domain_conv PARAMS ((struct loaded_l10nfile *__domain_file,
177 struct loaded_domain *__domain,
178 struct binding *__domainbinding))
179 internal_function;
180 void _nl_free_domain_conv PARAMS ((struct loaded_domain *__domain))
181 internal_function;
183 char *_nl_find_msg PARAMS ((struct loaded_l10nfile *domain_file,
184 struct binding *domainbinding,
185 const char *msgid, size_t *lengthp))
186 internal_function;
188 #ifdef _LIBC
189 extern char *__gettext PARAMS ((const char *__msgid));
190 extern char *__dgettext PARAMS ((const char *__domainname,
191 const char *__msgid));
192 extern char *__dcgettext PARAMS ((const char *__domainname,
193 const char *__msgid, int __category));
194 extern char *__ngettext PARAMS ((const char *__msgid1, const char *__msgid2,
195 unsigned long int __n));
196 extern char *__dngettext PARAMS ((const char *__domainname,
197 const char *__msgid1, const char *__msgid2,
198 unsigned long int n));
199 extern char *__dcngettext PARAMS ((const char *__domainname,
200 const char *__msgid1, const char *__msgid2,
201 unsigned long int __n, int __category));
202 extern char *__dcigettext PARAMS ((const char *__domainname,
203 const char *__msgid1, const char *__msgid2,
204 int __plural, unsigned long int __n,
205 int __category));
206 extern char *__textdomain PARAMS ((const char *__domainname));
207 extern char *__bindtextdomain PARAMS ((const char *__domainname,
208 const char *__dirname));
209 extern char *__bind_textdomain_codeset PARAMS ((const char *__domainname,
210 const char *__codeset));
211 extern void _nl_finddomain_subfreeres PARAMS ((void)) attribute_hidden;
212 extern void _nl_unload_domain PARAMS ((struct loaded_domain *__domain))
213 internal_function attribute_hidden;
214 #else
215 extern char *libintl_gettext PARAMS ((const char *__msgid));
216 extern char *libintl_dgettext PARAMS ((const char *__domainname,
217 const char *__msgid));
218 extern char *libintl_dcgettext PARAMS ((const char *__domainname,
219 const char *__msgid, int __category));
220 extern char *libintl_ngettext PARAMS ((const char *__msgid1,
221 const char *__msgid2,
222 unsigned long int __n));
223 extern char *libintl_dngettext PARAMS ((const char *__domainname,
224 const char *__msgid1,
225 const char *__msgid2,
226 unsigned long int __n));
227 extern char *libintl_dcngettext PARAMS ((const char *__domainname,
228 const char *__msgid1,
229 const char *__msgid2,
230 unsigned long int __n,
231 int __category));
232 extern char *libintl_dcigettext PARAMS ((const char *__domainname,
233 const char *__msgid1,
234 const char *__msgid2,
235 int __plural, unsigned long int __n,
236 int __category));
237 extern char *libintl_textdomain PARAMS ((const char *__domainname));
238 extern char *libintl_bindtextdomain PARAMS ((const char *__domainname,
239 const char *__dirname));
240 extern char *libintl_bind_textdomain_codeset PARAMS ((const char *__domainname,
241 const char *__codeset));
242 #endif
244 /* @@ begin of epilog @@ */
246 #endif /* gettextP.h */