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
62static inline nls_uint32
63SWAP (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.  */
72struct 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.  */
81struct 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().  */
139struct 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.  */
151extern int _nl_msg_cat_cntr;
152
153#ifndef _LIBC
154const char *_nl_locale_name (int category, const char *categoryname);
155#endif
156
157struct loaded_l10nfile *_nl_find_domain (const char *__dirname, char *__locale,
158					 const char *__domainname,
159					 struct binding *__domainbinding)
160     internal_function;
161void _nl_load_domain (struct loaded_l10nfile *__domain,
162		      struct binding *__domainbinding)
163     internal_function;
164void _nl_unload_domain (struct loaded_domain *__domain)
165     internal_function;
166const char *_nl_init_domain_conv (struct loaded_l10nfile *__domain_file,
167				  struct loaded_domain *__domain,
168				  struct binding *__domainbinding)
169     internal_function;
170void _nl_free_domain_conv (struct loaded_domain *__domain)
171     internal_function;
172
173char *_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
179extern char *__gettext (const char *__msgid);
180extern char *__dgettext (const char *__domainname, const char *__msgid);
181extern char *__dcgettext (const char *__domainname, const char *__msgid,
182			  int __category);
183extern char *__ngettext (const char *__msgid1, const char *__msgid2,
184			 unsigned long int __n);
185extern char *__dngettext (const char *__domainname,
186			  const char *__msgid1, const char *__msgid2,
187			  unsigned long int n);
188extern char *__dcngettext (const char *__domainname,
189			   const char *__msgid1, const char *__msgid2,
190			   unsigned long int __n, int __category);
191extern char *__dcigettext (const char *__domainname,
192			   const char *__msgid1, const char *__msgid2,
193			   int __plural, unsigned long int __n,
194			   int __category);
195extern char *__textdomain (const char *__domainname);
196extern char *__bindtextdomain (const char *__domainname,
197			       const char *__dirname);
198extern 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"
207extern 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