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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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 internal_function
40 # define internal_function
41 #endif
42 
43 #ifndef attribute_hidden
44 # define attribute_hidden
45 #endif
46 
47 /* Tell the compiler when a conditional or integer expression is
48    almost always true or almost always false.  */
49 #ifndef HAVE_BUILTIN_EXPECT
50 # define __builtin_expect(expr, val) (expr)
51 #endif
52 
53 #ifndef W
54 # define W(flag, data) ((flag) ? SWAP (data) : (data))
55 #endif
56 
57 
58 #ifdef _LIBC
59 # include <byteswap.h>
60 # define SWAP(i) bswap_32 (i)
61 #else
62 static inline nls_uint32
SWAP(i)63 SWAP (i)
64      nls_uint32 i;
65 {
66   return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
67 }
68 #endif
69 
70 
71 /* In-memory representation of system dependent string.  */
72 struct sysdep_string_desc
73 {
74   /* Length of addressed string, including the trailing NUL.  */
75   size_t length;
76   /* Pointer to addressed string.  */
77   const char *pointer;
78 };
79 
80 /* The representation of an opened message catalog.  */
81 struct loaded_domain
82 {
83   /* Pointer to memory containing the .mo file.  */
84   const char *data;
85   /* 1 if the memory is mmap()ed, 0 if the memory is malloc()ed.  */
86   int use_mmap;
87   /* Size of mmap()ed memory.  */
88   size_t mmap_size;
89   /* 1 if the .mo file uses a different endianness than this machine.  */
90   int must_swap;
91   /* Pointer to additional malloc()ed memory.  */
92   void *malloced;
93 
94   /* Number of static strings pairs.  */
95   nls_uint32 nstrings;
96   /* Pointer to descriptors of original strings in the file.  */
97   const struct string_desc *orig_tab;
98   /* Pointer to descriptors of translated strings in the file.  */
99   const struct string_desc *trans_tab;
100 
101   /* Number of system dependent strings pairs.  */
102   nls_uint32 n_sysdep_strings;
103   /* Pointer to descriptors of original sysdep strings.  */
104   const struct sysdep_string_desc *orig_sysdep_tab;
105   /* Pointer to descriptors of translated sysdep strings.  */
106   const struct sysdep_string_desc *trans_sysdep_tab;
107 
108   /* Size of hash table.  */
109   nls_uint32 hash_size;
110   /* Pointer to hash table.  */
111   const nls_uint32 *hash_tab;
112   /* 1 if the hash table uses a different endianness than this machine.  */
113   int must_swap_hash_tab;
114 
115   int codeset_cntr;
116 #ifdef _LIBC
117   __gconv_t conv;
118 #else
119 # if HAVE_ICONV
120   iconv_t conv;
121 # endif
122 #endif
123   char **conv_tab;
124 
125   struct expression *plural;
126   unsigned long int nplurals;
127 };
128 
129 /* We want to allocate a string at the end of the struct.  But ISO C
130    doesn't allow zero sized arrays.  */
131 #ifdef __GNUC__
132 # define ZERO 0
133 #else
134 # define ZERO 1
135 #endif
136 
137 /* A set of settings bound to a message domain.  Used to store settings
138    from bindtextdomain() and bind_textdomain_codeset().  */
139 struct binding
140 {
141   struct binding *next;
142   char *dirname;
143   int codeset_cntr;	/* Incremented each time codeset changes.  */
144   char *codeset;
145   char domainname[ZERO];
146 };
147 
148 /* A counter which is incremented each time some previous translations
149    become invalid.
150    This variable is part of the external ABI of the GNU libintl.  */
151 extern int _nl_msg_cat_cntr;
152 
153 #ifndef _LIBC
154 const char *_nl_locale_name (int category, const char *categoryname);
155 #endif
156 
157 struct loaded_l10nfile *_nl_find_domain (const char *__dirname, char *__locale,
158 					 const char *__domainname,
159 					 struct binding *__domainbinding)
160      internal_function;
161 void _nl_load_domain (struct loaded_l10nfile *__domain,
162 		      struct binding *__domainbinding)
163      internal_function;
164 void _nl_unload_domain (struct loaded_domain *__domain)
165      internal_function;
166 const char *_nl_init_domain_conv (struct loaded_l10nfile *__domain_file,
167 				  struct loaded_domain *__domain,
168 				  struct binding *__domainbinding)
169      internal_function;
170 void _nl_free_domain_conv (struct loaded_domain *__domain)
171      internal_function;
172 
173 char *_nl_find_msg (struct loaded_l10nfile *domain_file,
174 		    struct binding *domainbinding, const char *msgid,
175 		    size_t *lengthp)
176      internal_function;
177 
178 #ifdef _LIBC
179 extern char *__gettext (const char *__msgid);
180 extern char *__dgettext (const char *__domainname, const char *__msgid);
181 extern char *__dcgettext (const char *__domainname, const char *__msgid,
182 			  int __category);
183 extern char *__ngettext (const char *__msgid1, const char *__msgid2,
184 			 unsigned long int __n);
185 extern char *__dngettext (const char *__domainname,
186 			  const char *__msgid1, const char *__msgid2,
187 			  unsigned long int n);
188 extern char *__dcngettext (const char *__domainname,
189 			   const char *__msgid1, const char *__msgid2,
190 			   unsigned long int __n, int __category);
191 extern char *__dcigettext (const char *__domainname,
192 			   const char *__msgid1, const char *__msgid2,
193 			   int __plural, unsigned long int __n,
194 			   int __category);
195 extern char *__textdomain (const char *__domainname);
196 extern char *__bindtextdomain (const char *__domainname,
197 			       const char *__dirname);
198 extern char *__bind_textdomain_codeset (const char *__domainname,
199 					const char *__codeset);
200 #else
201 /* Declare the exported libintl_* functions, in a way that allows us to
202    call them under their real name.  */
203 # undef _INTL_REDIRECT_INLINE
204 # undef _INTL_REDIRECT_MACROS
205 # define _INTL_REDIRECT_MACROS
206 # include "libgnuintl.h"
207 extern char *libintl_dcigettext (const char *__domainname,
208 				 const char *__msgid1, const char *__msgid2,
209 				 int __plural, unsigned long int __n,
210 				 int __category);
211 #endif
212 
213 /* @@ begin of epilog @@ */
214 
215 #endif /* gettextP.h  */
216