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