intl/gettext.h

   1 /* Internal header for GNU gettext internationalization functions.
   2    Copyright (C) 1995, 1997, 2000, 2001 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the 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; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _GETTEXT_H
  21 #define _GETTEXT_H 1
  22
  23 #if HAVE_LIMITS_H || _LIBC
  24 # include <limits.h>
  25 #endif
  26
  27 /* @@ end of prolog @@ */
  28
  29 /* The magic number of the GNU message catalog format.  */
  30 #define _MAGIC 0x950412de
  31 #define _MAGIC_SWAPPED 0xde120495
  32
  33 /* Revision number of the currently used .mo (binary) file format.  */
  34 #define MO_REVISION_NUMBER 0
  35
  36 /* The following contortions are an attempt to use the C preprocessor
  37    to determine an unsigned integral type that is 32 bits wide.  An
  38    alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but
  39    as of version autoconf-2.13, the AC_CHECK_SIZEOF macro doesn't work
  40    when cross-compiling.  */
  41
  42 #if __STDC__
  43 # define UINT_MAX_32_BITS 4294967295U
  44 #else
  45 # define UINT_MAX_32_BITS 0xFFFFFFFF
  46 #endif
  47
  48 /* If UINT_MAX isn't defined, assume it's a 32-bit type.
  49    This should be valid for all systems GNU cares about because
  50    that doesn't include 16-bit systems, and only modern systems
  51    (that certainly have <limits.h>) have 64+-bit integral types.  */
  52
  53 #ifndef UINT_MAX
  54 # define UINT_MAX UINT_MAX_32_BITS
  55 #endif
  56
  57 #if UINT_MAX == UINT_MAX_32_BITS
  58 typedef unsigned nls_uint32;
  59 #else
  60 # if USHRT_MAX == UINT_MAX_32_BITS
  61 typedef unsigned short nls_uint32;
  62 # else
  63 #  if ULONG_MAX == UINT_MAX_32_BITS
  64 typedef unsigned long nls_uint32;
  65 #  else
  66   /* The following line is intended to throw an error.  Using #error is
  67      not portable enough.  */
  68   "Cannot determine unsigned 32-bit data type."
  69 #  endif
  70 # endif
  71 #endif
  72
  73
  74 /* Header for binary .mo file format.  */
  75 struct mo_file_header
  76 {
  77   /* The magic number.  */
  78   nls_uint32 magic;
  79   /* The revision number of the file format.  */
  80   nls_uint32 revision;
  81   /* The number of strings pairs.  */
  82   nls_uint32 nstrings;
  83   /* Offset of table with start offsets of original strings.  */
  84   nls_uint32 orig_tab_offset;
  85   /* Offset of table with start offsets of translation strings.  */
  86   nls_uint32 trans_tab_offset;
  87   /* Size of hashing table.  */
  88   nls_uint32 hash_tab_size;
  89   /* Offset of first hashing entry.  */
  90   nls_uint32 hash_tab_offset;
  91 };
  92
  93 struct string_desc
  94 {
  95   /* Length of addressed string.  */
  96   nls_uint32 length;
  97   /* Offset of string in file.  */
  98   nls_uint32 offset;
  99 };
 100
 101 /* @@ begin of epilog @@ */
 102
 103 #endif  /* gettext.h  */