1 /* Description of GNU message catalog format: general file layout. 2 Copyright (C) 1995, 1997, 2000, 2001 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify it 5 under the terms of the GNU Library General Public License as published 6 by the Free Software Foundation; either version 2, or (at your option) 7 any later version. 8 9 This program 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 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public 15 License along with this program; if not, write to the Free Software 16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 17 USA. */ 18 19 #ifndef _GETTEXT_H 20 #define _GETTEXT_H 1 21 22 #if HAVE_LIMITS_H || _LIBC 23 # include <limits.h> 24 #endif 25 26 /* @@ end of prolog @@ */ 27 28 /* The magic number of the GNU message catalog format. */ 29 #define _MAGIC 0x950412de 30 #define _MAGIC_SWAPPED 0xde120495 31 32 /* Revision number of the currently used .mo (binary) file format. */ 33 #define MO_REVISION_NUMBER 0 34 35 /* The following contortions are an attempt to use the C preprocessor 36 to determine an unsigned integral type that is 32 bits wide. An 37 alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but 38 as of version autoconf-2.13, the AC_CHECK_SIZEOF macro doesn't work 39 when cross-compiling. */ 40 41 #if __STDC__ 42 # define UINT_MAX_32_BITS 4294967295U 43 #else 44 # define UINT_MAX_32_BITS 0xFFFFFFFF 45 #endif 46 47 /* If UINT_MAX isn't defined, assume it's a 32-bit type. 48 This should be valid for all systems GNU cares about because 49 that doesn't include 16-bit systems, and only modern systems 50 (that certainly have <limits.h>) have 64+-bit integral types. */ 51 52 #ifndef UINT_MAX 53 # define UINT_MAX UINT_MAX_32_BITS 54 #endif 55 56 #if UINT_MAX == UINT_MAX_32_BITS 57 typedef unsigned nls_uint32; 58 #else 59 # if USHRT_MAX == UINT_MAX_32_BITS 60 typedef unsigned short nls_uint32; 61 # else 62 # if ULONG_MAX == UINT_MAX_32_BITS 63 typedef unsigned long nls_uint32; 64 # else 65 /* The following line is intended to throw an error. Using #error is 66 not portable enough. */ 67 "Cannot determine unsigned 32-bit data type." 68 # endif 69 # endif 70 #endif 71 72 73 /* Header for binary .mo file format. */ 74 struct mo_file_header 75 { 76 /* The magic number. */ 77 nls_uint32 magic; 78 /* The revision number of the file format. */ 79 nls_uint32 revision; 80 /* The number of strings pairs. */ 81 nls_uint32 nstrings; 82 /* Offset of table with start offsets of original strings. */ 83 nls_uint32 orig_tab_offset; 84 /* Offset of table with start offsets of translation strings. */ 85 nls_uint32 trans_tab_offset; 86 /* Size of hashing table. */ 87 nls_uint32 hash_tab_size; 88 /* Offset of first hashing entry. */ 89 nls_uint32 hash_tab_offset; 90 }; 91 92 struct string_desc 93 { 94 /* Length of addressed string. */ 95 nls_uint32 length; 96 /* Offset of string in file. */ 97 nls_uint32 offset; 98 }; 99 100 /* @@ begin of epilog @@ */ 101 102 #endif /* gettext.h */ 103