intl/gettextP.h

   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 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
  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  */