iconv/iconvconfig.h

   1 /* Copyright (C) 2000-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation; either version 2.1 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If
  16    not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #include <stdint.h>
  19
  20
  21 typedef uint16_t gidx_t;
  22
  23
  24 struct gconvcache_header
  25 {
  26   uint32_t magic;
  27   gidx_t string_offset;
  28   gidx_t hash_offset;
  29   gidx_t hash_size;
  30   gidx_t module_offset;
  31   gidx_t otherconv_offset;
  32 };
  33
  34 struct hash_entry
  35 {
  36   gidx_t string_offset;
  37   gidx_t module_idx;
  38 };
  39
  40 struct module_entry
  41 {
  42   gidx_t canonname_offset;
  43   gidx_t fromdir_offset;
  44   gidx_t fromname_offset;
  45   gidx_t todir_offset;
  46   gidx_t toname_offset;
  47   gidx_t extra_offset;
  48 };
  49
  50 struct extra_entry
  51 {
  52   gidx_t module_cnt;
  53   struct extra_entry_module
  54   {
  55     gidx_t outname_offset;
  56     gidx_t dir_offset;
  57     gidx_t name_offset;
  58   } module[0];
  59 };
  60
  61
  62 #define GCONVCACHE_MAGIC        0x20010324
  63
  64
  65 #define GCONV_MODULES_CACHE     GCONV_DIR "/gconv-modules.cache"