1 /* Header describing internals of libintl library.
2    Copyright (C) 1995-1999, 2000-2003 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 it
6    under the terms of the GNU Library General Public License as published
7    by the Free Software Foundation; either version 2, or (at your option)
8    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 GNU
13    Library General Public License for more details.
14 
15    You should have received a copy of the GNU Library General Public
16    License along with this program; if not, write to the Free Software
17    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
18    USA.  */
19 
20 #ifndef _GETTEXTP_H
21 #define _GETTEXTP_H
22 
23 #include <stddef.h>		/* Get size_t.  */
24 
25 #ifdef _LIBC
26 # include "../iconv/gconv_int.h"
27 #else
28 # if HAVE_ICONV
29 #  include <iconv.h>
30 # endif
31 #endif
32 
33 #include "loadinfo.h"
34 
35 #include "gmo.h"		/* Get nls_uint32.  */
36 
37 /* @@ end of prolog @@ */
38 
39 #ifndef PARAMS
40 # if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES
41 #  define PARAMS(args) args
42 # else
43 #  define PARAMS(args) ()
44 # endif
45 #endif
46 
47 #ifndef internal_function
48 # define internal_function
49 #endif
50 
51 #ifndef attribute_hidden
52 # define attribute_hidden
53 #endif
54 
55 /* Tell the compiler when a conditional or integer expression is
56    almost always true or almost always false.  */
57 #ifndef HAVE_BUILTIN_EXPECT
58 # define __builtin_expect(expr, val) (expr)
59 #endif
60 
61 #ifndef W
62 # define W(flag, data) ((flag) ? SWAP (data) : (data))
63 #endif
64 
65 
66 #ifdef _LIBC
67 # include <byteswap.h>
68 # define SWAP(i) bswap_32 (i)
69 #else
70 static inline nls_uint32
SWAP(i)71 SWAP (i)
72      nls_uint32 i;
73 {
74   return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
75 }
76 #endif
77 
78 
79 /* In-memory representation of system dependent string.  */
80 struct sysdep_string_desc
81 {
82   /* Length of addressed string, including the trailing NUL.  */
83   size_t length;
84   /* Pointer to addressed string.  */
85   const char *pointer;
86 };
87 
88 /* The representation of an opened message catalog.  */
89 struct loaded_domain
90 {
91   /* Pointer to memory containing the .mo file.  */
92   const char *data;
93   /* 1 if the memory is mmap()ed, 0 if the memory is malloc()ed.  */
94   int use_mmap;
95   /* Size of mmap()ed memory.  */
96   size_t mmap_size;
97   /* 1 if the .mo file uses a different endianness than this machine.  */
98   int must_swap;
99   /* Pointer to additional malloc()ed memory.  */
100   void *malloced;
101 
102   /* Number of static strings pairs.  */
103   nls_uint32 nstrings;
104   /* Pointer to descriptors of original strings in the file.  */
105   const struct string_desc *orig_tab;
106   /* Pointer to descriptors of translated strings in the file.  */
107   const struct string_desc *trans_tab;
108 
109   /* Number of system dependent strings pairs.  */
110   nls_uint32 n_sysdep_strings;
111   /* Pointer to descriptors of original sysdep strings.  */
112   const struct sysdep_string_desc *orig_sysdep_tab;
113   /* Pointer to descriptors of translated sysdep strings.  */
114   const struct sysdep_string_desc *trans_sysdep_tab;
115 
116   /* Size of hash table.  */
117   nls_uint32 hash_size;
118   /* Pointer to hash table.  */
119   const nls_uint32 *hash_tab;
120   /* 1 if the hash table uses a different endianness than this machine.  */
121   int must_swap_hash_tab;
122 
123   int codeset_cntr;
124 #ifdef _LIBC
125   __gconv_t conv;
126 #else
127 # if HAVE_ICONV
128   iconv_t conv;
129 # endif
130 #endif
131   char **conv_tab;
132 
133   struct expression *plural;
134   unsigned long int nplurals;
135 };
136 
137 /* We want to allocate a string at the end of the struct.  But ISO C
138    doesn't allow zero sized arrays.  */
139 #ifdef __GNUC__
140 # define ZERO 0
141 #else
142 # define ZERO 1
143 #endif
144 
145 /* A set of settings bound to a message domain.  Used to store settings
146    from bindtextdomain() and bind_textdomain_codeset().  */
147 struct binding
148 {
149   struct binding *next;
150   char *dirname;
151   int codeset_cntr;	/* Incremented each time codeset changes.  */
152   char *codeset;
153   char domainname[ZERO];
154 };
155 
156 /* A counter which is incremented each time some previous translations
157    become invalid.
158    This variable is part of the external ABI of the GNU libintl.  */
159 extern int _nl_msg_cat_cntr;
160 
161 #ifndef _LIBC
162 const char *_nl_locale_name PARAMS ((int category, const char *categoryname));
163 #endif
164 
165 struct loaded_l10nfile *_nl_find_domain PARAMS ((const char *__dirname,
166 						 char *__locale,
167 						 const char *__domainname,
168 					      struct binding *__domainbinding))
169      internal_function;
170 void _nl_load_domain PARAMS ((struct loaded_l10nfile *__domain,
171 			      struct binding *__domainbinding))
172      internal_function;
173 void _nl_unload_domain PARAMS ((struct loaded_domain *__domain))
174      internal_function;
175 const char *_nl_init_domain_conv PARAMS ((struct loaded_l10nfile *__domain_file,
176 					  struct loaded_domain *__domain,
177 					  struct binding *__domainbinding))
178      internal_function;
179 void _nl_free_domain_conv PARAMS ((struct loaded_domain *__domain))
180      internal_function;
181 
182 char *_nl_find_msg PARAMS ((struct loaded_l10nfile *domain_file,
183 			    struct binding *domainbinding,
184 			    const char *msgid, size_t *lengthp))
185      internal_function;
186 
187 #ifdef _LIBC
188 extern char *__gettext PARAMS ((const char *__msgid));
189 extern char *__dgettext PARAMS ((const char *__domainname,
190 				 const char *__msgid));
191 extern char *__dcgettext PARAMS ((const char *__domainname,
192 				  const char *__msgid, int __category));
193 extern char *__ngettext PARAMS ((const char *__msgid1, const char *__msgid2,
194 				 unsigned long int __n));
195 extern char *__dngettext PARAMS ((const char *__domainname,
196 				  const char *__msgid1, const char *__msgid2,
197 				  unsigned long int n));
198 extern char *__dcngettext PARAMS ((const char *__domainname,
199 				   const char *__msgid1, const char *__msgid2,
200 				   unsigned long int __n, int __category));
201 extern char *__dcigettext PARAMS ((const char *__domainname,
202 				   const char *__msgid1, const char *__msgid2,
203 				   int __plural, unsigned long int __n,
204 				   int __category));
205 extern char *__textdomain PARAMS ((const char *__domainname));
206 extern char *__bindtextdomain PARAMS ((const char *__domainname,
207 				       const char *__dirname));
208 extern char *__bind_textdomain_codeset PARAMS ((const char *__domainname,
209 						const char *__codeset));
210 #else
211 /* Declare the exported libintl_* functions, in a way that allows us to
212    call them under their real name.  */
213 # define _INTL_REDIRECT_MACROS
214 # include "libintl.h"
215 extern char *libintl_dcigettext PARAMS ((const char *__domainname,
216 					 const char *__msgid1,
217 					 const char *__msgid2,
218 					 int __plural, unsigned long int __n,
219 					 int __category));
220 #endif
221 
222 /* @@ begin of epilog @@ */
223 
224 #endif /* gettextP.h  */
225