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71a94577 ZW |
1 | /* Description of GNU message catalog format: general file layout. |
2 | Copyright (C) 1995, 1997, 2000, 2001 Free Software Foundation, Inc. | |
45f8428f | 3 | |
71a94577 ZW |
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) | |
45f8428f JL |
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 | |
71a94577 ZW |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Library General Public License for more details. | |
45f8428f JL |
13 | |
14 | You should have received a copy of the GNU Library General Public | |
71a94577 ZW |
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. */ | |
45f8428f JL |
18 | |
19 | #ifndef _GETTEXT_H | |
20 | #define _GETTEXT_H 1 | |
21 | ||
45f8428f JL |
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 | |
71a94577 ZW |
38 | as of version autoconf-2.13, the AC_CHECK_SIZEOF macro doesn't work |
39 | when cross-compiling. We use the maximum values for signed ints | |
40 | for the test to avoid using U suffixes. */ | |
45f8428f | 41 | |
702edf39 | 42 | #define INT_MAX_32_BITS 2147483647 |
45f8428f | 43 | |
702edf39 | 44 | /* If INT_MAX isn't defined, assume it's a 32-bit type. |
45f8428f JL |
45 | This should be valid for all systems GNU cares about because |
46 | that doesn't include 16-bit systems, and only modern systems | |
47 | (that certainly have <limits.h>) have 64+-bit integral types. */ | |
48 | ||
702edf39 | 49 | #ifndef INT_MAX |
71a94577 | 50 | # define INT_MAX UINT_MAX_32_BITS |
45f8428f JL |
51 | #endif |
52 | ||
702edf39 | 53 | #if INT_MAX == INT_MAX_32_BITS |
71a94577 | 54 | typedef unsigned int nls_uint32; |
45f8428f | 55 | #else |
702edf39 | 56 | # if SHRT_MAX == INT_MAX_32_BITS |
45f8428f JL |
57 | typedef unsigned short nls_uint32; |
58 | # else | |
702edf39 | 59 | # if LONG_MAX == INT_MAX_32_BITS |
45f8428f JL |
60 | typedef unsigned long nls_uint32; |
61 | # else | |
62 | /* The following line is intended to throw an error. Using #error is | |
63 | not portable enough. */ | |
64 | "Cannot determine unsigned 32-bit data type." | |
65 | # endif | |
66 | # endif | |
67 | #endif | |
68 | ||
69 | ||
70 | /* Header for binary .mo file format. */ | |
71 | struct mo_file_header | |
72 | { | |
73 | /* The magic number. */ | |
74 | nls_uint32 magic; | |
75 | /* The revision number of the file format. */ | |
76 | nls_uint32 revision; | |
77 | /* The number of strings pairs. */ | |
78 | nls_uint32 nstrings; | |
79 | /* Offset of table with start offsets of original strings. */ | |
80 | nls_uint32 orig_tab_offset; | |
81 | /* Offset of table with start offsets of translation strings. */ | |
82 | nls_uint32 trans_tab_offset; | |
83 | /* Size of hashing table. */ | |
84 | nls_uint32 hash_tab_size; | |
85 | /* Offset of first hashing entry. */ | |
86 | nls_uint32 hash_tab_offset; | |
87 | }; | |
88 | ||
89 | struct string_desc | |
90 | { | |
91 | /* Length of addressed string. */ | |
92 | nls_uint32 length; | |
93 | /* Offset of string in file. */ | |
94 | nls_uint32 offset; | |
95 | }; | |
96 | ||
97 | /* @@ begin of epilog @@ */ | |
98 | ||
99 | #endif /* gettext.h */ |