intl/gettext.h

   1 /* Internal header for GNU gettext internationalization functions.
   2    Copyright (C) 1995, 1997 Free Software Foundation, Inc.
   3
   4    This file is part of the GNU C Library.  Its master source is NOT part of
   5    the C library, however.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Library General Public License as
   9    published by the Free Software Foundation; either version 2 of the
  10    License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Library General Public License for more details.
  16
  17    You should have received a copy of the GNU Library General Public
  18    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  19    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef _GETTEXT_H
  23 #define _GETTEXT_H 1
  24
  25 #include <stdio.h>
  26
  27 #if HAVE_LIMITS_H || _LIBC
  28 # include <limits.h>
  29 #endif
  30
  31 /* @@ end of prolog @@ */
  32
  33 /* The magic number of the GNU message catalog format.  */
  34 #define _MAGIC 0x950412de
  35 #define _MAGIC_SWAPPED 0xde120495
  36
  37 /* Revision number of the currently used .mo (binary) file format.  */
  38 #define MO_REVISION_NUMBER 0
  39
  40 /* The following contortions are an attempt to use the C preprocessor
  41    to determine an unsigned integral type that is 32 bits wide.  An
  42    alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but
  43    doing that would require that the configure script compile and *run*
  44    the resulting executable.  Locally running cross-compiled executables
  45    is usually not possible.  */
  46
  47 #if __STDC__
  48 # define UINT_MAX_32_BITS 4294967295U
  49 #else
  50 # define UINT_MAX_32_BITS 0xFFFFFFFF
  51 #endif
  52
  53 /* If UINT_MAX isn't defined, assume it's a 32-bit type.
  54    This should be valid for all systems GNU cares about because
  55    that doesn't include 16-bit systems, and only modern systems
  56    (that certainly have <limits.h>) have 64+-bit integral types.  */
  57
  58 #ifndef UINT_MAX
  59 # define UINT_MAX UINT_MAX_32_BITS
  60 #endif
  61
  62 #if UINT_MAX == UINT_MAX_32_BITS
  63 typedef unsigned nls_uint32;
  64 #else
  65 # if USHRT_MAX == UINT_MAX_32_BITS
  66 typedef unsigned short nls_uint32;
  67 # else
  68 #  if ULONG_MAX == UINT_MAX_32_BITS
  69 typedef unsigned long nls_uint32;
  70 #  else
  71   /* The following line is intended to throw an error.  Using #error is
  72      not portable enough.  */
  73   "Cannot determine unsigned 32-bit data type."
  74 #  endif
  75 # endif
  76 #endif
  77
  78
  79 /* Header for binary .mo file format.  */
  80 struct mo_file_header
  81 {
  82   /* The magic number.  */
  83   nls_uint32 magic;
  84   /* The revision number of the file format.  */
  85   nls_uint32 revision;
  86   /* The number of strings pairs.  */
  87   nls_uint32 nstrings;
  88   /* Offset of table with start offsets of original strings.  */
  89   nls_uint32 orig_tab_offset;
  90   /* Offset of table with start offsets of translation strings.  */
  91   nls_uint32 trans_tab_offset;
  92   /* Size of hashing table.  */
  93   nls_uint32 hash_tab_size;
  94   /* Offset of first hashing entry.  */
  95   nls_uint32 hash_tab_offset;
  96 };
  97
  98 struct string_desc
  99 {
 100   /* Length of addressed string.  */
 101   nls_uint32 length;
 102   /* Offset of string in file.  */
 103   nls_uint32 offset;
 104 };
 105
 106 /* @@ begin of epilog @@ */
 107
 108 #endif  /* gettext.h  */