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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 | |
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 */ |