1 /* Internal header for GNU gettext internationalization functions. 2 Copyright (C) 1995, 1997 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 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 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public 15 License along with the GNU C Library; see the file COPYING.LIB. If not, 16 write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 17 Boston, MA 02110-1301, USA. */ 18 19 #ifndef _GETTEXT_H 20 #define _GETTEXT_H 1 21 22 #include <stdio.h> 23 24 #if HAVE_LIMITS_H || _LIBC 25 # include <limits.h> 26 #endif 27 28 /* @@ end of prolog @@ */ 29 30 /* The magic number of the GNU message catalog format. */ 31 #define _MAGIC 0x950412de 32 #define _MAGIC_SWAPPED 0xde120495 33 34 /* Revision number of the currently used .mo (binary) file format. */ 35 #define MO_REVISION_NUMBER 0 36 37 /* The following contortions are an attempt to use the C preprocessor 38 to determine an unsigned integral type that is 32 bits wide. An 39 alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but 40 doing that would require that the configure script compile and *run* 41 the resulting executable. Locally running cross-compiled executables 42 is usually not possible. */ 43 44 #if __STDC__ 45 # define UINT_MAX_32_BITS 4294967295U 46 #else 47 # define UINT_MAX_32_BITS 0xFFFFFFFF 48 #endif 49 50 /* If UINT_MAX isn't defined, assume it's a 32-bit type. 51 This should be valid for all systems GNU cares about because 52 that doesn't include 16-bit systems, and only modern systems 53 (that certainly have <limits.h>) have 64+-bit integral types. */ 54 55 #ifndef UINT_MAX 56 # define UINT_MAX UINT_MAX_32_BITS 57 #endif 58 59 #if UINT_MAX == UINT_MAX_32_BITS 60 typedef unsigned nls_uint32; 61 #else 62 # if USHRT_MAX == UINT_MAX_32_BITS 63 typedef unsigned short nls_uint32; 64 # else 65 # if ULONG_MAX == UINT_MAX_32_BITS 66 typedef unsigned long nls_uint32; 67 # else 68 /* The following line is intended to throw an error. Using #error is 69 not portable enough. */ 70 "Cannot determine unsigned 32-bit data type." 71 # endif 72 # endif 73 #endif 74 75 76 /* Header for binary .mo file format. */ 77 struct mo_file_header 78 { 79 /* The magic number. */ 80 nls_uint32 magic; 81 /* The revision number of the file format. */ 82 nls_uint32 revision; 83 /* The number of strings pairs. */ 84 nls_uint32 nstrings; 85 /* Offset of table with start offsets of original strings. */ 86 nls_uint32 orig_tab_offset; 87 /* Offset of table with start offsets of translation strings. */ 88 nls_uint32 trans_tab_offset; 89 /* Size of hashing table. */ 90 nls_uint32 hash_tab_size; 91 /* Offset of first hashing entry. */ 92 nls_uint32 hash_tab_offset; 93 }; 94 95 struct string_desc 96 { 97 /* Length of addressed string. */ 98 nls_uint32 length; 99 /* Offset of string in file. */ 100 nls_uint32 offset; 101 }; 102 103 /* @@ begin of epilog @@ */ 104 105 #endif /* gettext.h */ 106