iconv/iconvconfig.h

   1 /* Copyright (C) 2000-2020 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library 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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If
  17    not, see <https://www.gnu.org/licenses/>.  */
  18
  19 #include <stdint.h>
  20
  21
  22 typedef uint16_t gidx_t;
  23
  24
  25 struct gconvcache_header
  26 {
  27   uint32_t magic;
  28   gidx_t string_offset;
  29   gidx_t hash_offset;
  30   gidx_t hash_size;
  31   gidx_t module_offset;
  32   gidx_t otherconv_offset;
  33 };
  34
  35 struct hash_entry
  36 {
  37   gidx_t string_offset;
  38   gidx_t module_idx;
  39 };
  40
  41 struct module_entry
  42 {
  43   gidx_t canonname_offset;
  44   gidx_t fromdir_offset;
  45   gidx_t fromname_offset;
  46   gidx_t todir_offset;
  47   gidx_t toname_offset;
  48   gidx_t extra_offset;
  49 };
  50
  51 struct extra_entry
  52 {
  53   gidx_t module_cnt;
  54   struct extra_entry_module
  55   {
  56     gidx_t outname_offset;
  57     gidx_t dir_offset;
  58     gidx_t name_offset;
  59   } module[0];
  60 };
  61
  62
  63 #define GCONVCACHE_MAGIC        0x20010324
  64
  65
  66 #define GCONV_MODULES_CACHE     GCONV_DIR "/gconv-modules.cache"