lib/intl/gettextP.h

   1 /* gettextP.h - Header describing internals of libintl library. */
   2
   3 /* Copyright (C) 1995-1999, 2000-2003, 2005-2009 Free Software Foundation, Inc.
   4    Written by Ulrich Drepper <drepper@cygnus.com>, 1995.
   5
   6    This file is part of GNU Bush.
   7
   8    Bush is free software: you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation, either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    Bush is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with Bush.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #ifndef _GETTEXTP_H
  23 #define _GETTEXTP_H
  24
  25 #include <stddef.h>             /* Get size_t.  */
  26
  27 #ifdef _LIBC
  28 # include "../iconv/gconv_int.h"
  29 #else
  30 # if HAVE_ICONV
  31 #  include <iconv.h>
  32 # endif
  33 #endif
  34
  35 #include "loadinfo.h"
  36
  37 #include "gmo.h"                /* Get nls_uint32.  */
  38
  39 /* @@ end of prolog @@ */
  40
  41 #ifndef PARAMS
  42 # if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES
  43 #  define PARAMS(args) args
  44 # else
  45 #  define PARAMS(args) ()
  46 # endif
  47 #endif
  48
  49 #ifndef internal_function
  50 # define internal_function
  51 #endif
  52
  53 #ifndef attribute_hidden
  54 # define attribute_hidden
  55 #endif
  56
  57 /* Tell the compiler when a conditional or integer expression is
  58    almost always true or almost always false.  */
  59 #ifndef HAVE_BUILTIN_EXPECT
  60 # define __builtin_expect(expr, val) (expr)
  61 #endif
  62
  63 #ifndef W
  64 # define W(flag, data) ((flag) ? SWAP (data) : (data))
  65 #endif
  66
  67
  68 #ifdef _LIBC
  69 # include <byteswap.h>
  70 # define SWAP(i) bswap_32 (i)
  71 #else
  72 static inline nls_uint32
  73 SWAP (i)
  74      nls_uint32 i;
  75 {
  76   return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
  77 }
  78 #endif
  79
  80
  81 /* In-memory representation of system dependent string.  */
  82 struct sysdep_string_desc
  83 {
  84   /* Length of addressed string, including the trailing NUL.  */
  85   size_t length;
  86   /* Pointer to addressed string.  */
  87   const char *pointer;
  88 };
  89
  90 /* The representation of an opened message catalog.  */
  91 struct loaded_domain
  92 {
  93   /* Pointer to memory containing the .mo file.  */
  94   const char *data;
  95   /* 1 if the memory is mmap()ed, 0 if the memory is malloc()ed.  */
  96   int use_mmap;
  97   /* Size of mmap()ed memory.  */
  98   size_t mmap_size;
  99   /* 1 if the .mo file uses a different endianness than this machine.  */
 100   int must_swap;
 101   /* Pointer to additional malloc()ed memory.  */
 102   void *malloced;
 103
 104   /* Number of static strings pairs.  */
 105   nls_uint32 nstrings;
 106   /* Pointer to descriptors of original strings in the file.  */
 107   const struct string_desc *orig_tab;
 108   /* Pointer to descriptors of translated strings in the file.  */
 109   const struct string_desc *trans_tab;
 110
 111   /* Number of system dependent strings pairs.  */
 112   nls_uint32 n_sysdep_strings;
 113   /* Pointer to descriptors of original sysdep strings.  */
 114   const struct sysdep_string_desc *orig_sysdep_tab;
 115   /* Pointer to descriptors of translated sysdep strings.  */
 116   const struct sysdep_string_desc *trans_sysdep_tab;
 117
 118   /* Size of hash table.  */
 119   nls_uint32 hash_size;
 120   /* Pointer to hash table.  */
 121   const nls_uint32 *hash_tab;
 122   /* 1 if the hash table uses a different endianness than this machine.  */
 123   int must_swap_hash_tab;
 124
 125   int codeset_cntr;
 126 #ifdef _LIBC
 127   __gconv_t conv;
 128 #else
 129 # if HAVE_ICONV
 130   iconv_t conv;
 131 # endif
 132 #endif
 133   char **conv_tab;
 134
 135   struct expression *plural;
 136   unsigned long int nplurals;
 137 };
 138
 139 /* We want to allocate a string at the end of the struct.  But ISO C
 140    doesn't allow zero sized arrays.  */
 141 #ifdef __GNUC__
 142 # define ZERO 0
 143 #else
 144 # define ZERO 1
 145 #endif
 146
 147 /* A set of settings bound to a message domain.  Used to store settings
 148    from bindtextdomain() and bind_textdomain_codeset().  */
 149 struct binding
 150 {
 151   struct binding *next;
 152   char *dirname;
 153   int codeset_cntr;     /* Incremented each time codeset changes.  */
 154   char *codeset;
 155   char domainname[ZERO];
 156 };
 157
 158 /* A counter which is incremented each time some previous translations
 159    become invalid.
 160    This variable is part of the external ABI of the GNU libintl.  */
 161 extern int _nl_msg_cat_cntr;
 162
 163 #ifndef _LIBC
 164 const char *_nl_locale_name PARAMS ((int category, const char *categoryname));
 165 #endif
 166
 167 struct loaded_l10nfile *_nl_find_domain PARAMS ((const char *__dirname,
 168                                                  char *__locale,
 169                                                  const char *__domainname,
 170                                               struct binding *__domainbinding))
 171      internal_function;
 172 void _nl_load_domain PARAMS ((struct loaded_l10nfile *__domain,
 173                               struct binding *__domainbinding))
 174      internal_function;
 175 void _nl_unload_domain PARAMS ((struct loaded_domain *__domain))
 176      internal_function;
 177 const char *_nl_init_domain_conv PARAMS ((struct loaded_l10nfile *__domain_file,
 178                                           struct loaded_domain *__domain,
 179                                           struct binding *__domainbinding))
 180      internal_function;
 181 void _nl_free_domain_conv PARAMS ((struct loaded_domain *__domain))
 182      internal_function;
 183
 184 char *_nl_find_msg PARAMS ((struct loaded_l10nfile *domain_file,
 185                             struct binding *domainbinding,
 186                             const char *msgid, size_t *lengthp))
 187      internal_function;
 188
 189 #ifdef _LIBC
 190 extern char *__gettext PARAMS ((const char *__msgid));
 191 extern char *__dgettext PARAMS ((const char *__domainname,
 192                                  const char *__msgid));
 193 extern char *__dcgettext PARAMS ((const char *__domainname,
 194                                   const char *__msgid, int __category));
 195 extern char *__ngettext PARAMS ((const char *__msgid1, const char *__msgid2,
 196                                  unsigned long int __n));
 197 extern char *__dngettext PARAMS ((const char *__domainname,
 198                                   const char *__msgid1, const char *__msgid2,
 199                                   unsigned long int n));
 200 extern char *__dcngettext PARAMS ((const char *__domainname,
 201                                    const char *__msgid1, const char *__msgid2,
 202                                    unsigned long int __n, int __category));
 203 extern char *__dcigettext PARAMS ((const char *__domainname,
 204                                    const char *__msgid1, const char *__msgid2,
 205                                    int __plural, unsigned long int __n,
 206                                    int __category));
 207 extern char *__textdomain PARAMS ((const char *__domainname));
 208 extern char *__bindtextdomain PARAMS ((const char *__domainname,
 209                                        const char *__dirname));
 210 extern char *__bind_textdomain_codeset PARAMS ((const char *__domainname,
 211                                                 const char *__codeset));
 212 #else
 213 /* Declare the exported libintl_* functions, in a way that allows us to
 214    call them under their real name.  */
 215 # define _INTL_REDIRECT_MACROS
 216 # include "libgnuintl.h"
 217 extern char *libintl_dcigettext PARAMS ((const char *__domainname,
 218                                          const char *__msgid1,
 219                                          const char *__msgid2,
 220                                          int __plural, unsigned long int __n,
 221                                          int __category));
 222 #endif
 223
 224 /* @@ begin of epilog @@ */
 225
 226 #endif /* gettextP.h  */