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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., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, 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
60typedef unsigned nls_uint32;
61#else
62# if USHRT_MAX == UINT_MAX_32_BITS
63typedef unsigned short nls_uint32;
64# else
65# if ULONG_MAX == UINT_MAX_32_BITS
66typedef 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. */
77struct 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
95struct 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 */