gettext.h Source File

00001 /* Description of GNU message catalog format: general file layout.
00002    Copyright (C) 1995, 1997, 2000, 2001 Free Software Foundation, Inc.
00003 
00004    This program is free software; you can redistribute it and/or modify
00005    it under the terms of the GNU General Public License as published by
00006    the Free Software Foundation; either version 2, or (at your option)
00007    any later version.
00008 
00009    This program is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012    GNU General Public License for more details.
00013 
00014    You should have received a copy of the GNU General Public License
00015    along with this program; if not, write to the Free Software Foundation,
00016    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
00017 
00018 #ifndef _GETTEXT_H
00019 #define _GETTEXT_H 1
00020 
00021 #if HAVE_LIMITS_H || _LIBC
00022 # include <limits.h>
00023 #endif
00024 
00025 /* @@ end of prolog @@ */
00026 
00027 /* The magic number of the GNU message catalog format.  */
00028 #define _MAGIC 0x950412de
00029 #define _MAGIC_SWAPPED 0xde120495
00030 
00031 /* Revision number of the currently used .mo (binary) file format.  */
00032 #define MO_REVISION_NUMBER 0
00033 
00034 /* The following contortions are an attempt to use the C preprocessor
00035    to determine an unsigned integral type that is 32 bits wide.  An
00036    alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but
00037    as of version autoconf-2.13, the AC_CHECK_SIZEOF macro doesn't work
00038    when cross-compiling.  */
00039 
00040 #if __STDC__
00041 # define UINT_MAX_32_BITS 4294967295U
00042 #else
00043 # define UINT_MAX_32_BITS 0xFFFFFFFF
00044 #endif
00045 
00046 /* If UINT_MAX isn't defined, assume it's a 32-bit type.
00047    This should be valid for all systems GNU cares about because
00048    that doesn't include 16-bit systems, and only modern systems
00049    (that certainly have <limits.h>) have 64+-bit integral types.  */
00050 
00051 #ifndef UINT_MAX
00052 # define UINT_MAX UINT_MAX_32_BITS
00053 #endif
00054 
00055 #if UINT_MAX == UINT_MAX_32_BITS
00056 typedef unsigned nls_uint32;
00057 #else
00058 # if USHRT_MAX == UINT_MAX_32_BITS
00059 typedef unsigned short nls_uint32;
00060 # else
00061 #  if ULONG_MAX == UINT_MAX_32_BITS
00062 typedef unsigned long nls_uint32;
00063 #  else
00064   /* The following line is intended to throw an error.  Using #error is
00065      not portable enough.  */
00066   "Cannot determine unsigned 32-bit data type."
00067 #  endif
00068 # endif
00069 #endif
00070 
00071 
00072 /* Header for binary .mo file format.  */
00073 struct mo_file_header
00074 {
00075   /* The magic number.  */
00076   nls_uint32 magic;
00077   /* The revision number of the file format.  */
00078   nls_uint32 revision;
00079   /* The number of strings pairs.  */
00080   nls_uint32 nstrings;
00081   /* Offset of table with start offsets of original strings.  */
00082   nls_uint32 orig_tab_offset;
00083   /* Offset of table with start offsets of translation strings.  */
00084   nls_uint32 trans_tab_offset;
00085   /* Size of hashing table.  */
00086   nls_uint32 hash_tab_size;
00087   /* Offset of first hashing entry.  */
00088   nls_uint32 hash_tab_offset;
00089 };
00090 
00091 struct string_desc
00092 {
00093   /* Length of addressed string.  */
00094   nls_uint32 length;
00095   /* Offset of string in file.  */
00096   nls_uint32 offset;
00097 };
00098 
00099 /* @@ begin of epilog @@ */
00100 
00101 #endif  /* gettext.h  */