1 | /* Description of GNU message catalog format: general file layout.
|
---|
2 | Copyright (C) 1995, 1997, 2000-2002 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 |
|
---|
79 | /* The following are only used in .mo files with major revision 0. */
|
---|
80 |
|
---|
81 | /* The number of strings pairs. */
|
---|
82 | nls_uint32 nstrings;
|
---|
83 | /* Offset of table with start offsets of original strings. */
|
---|
84 | nls_uint32 orig_tab_offset;
|
---|
85 | /* Offset of table with start offsets of translated strings. */
|
---|
86 | nls_uint32 trans_tab_offset;
|
---|
87 | /* Size of hash table. */
|
---|
88 | nls_uint32 hash_tab_size;
|
---|
89 | /* Offset of first hash table entry. */
|
---|
90 | nls_uint32 hash_tab_offset;
|
---|
91 |
|
---|
92 | /* The following are only used in .mo files with minor revision >= 1. */
|
---|
93 |
|
---|
94 | /* The number of system dependent segments. */
|
---|
95 | nls_uint32 n_sysdep_segments;
|
---|
96 | /* Offset of table describing system dependent segments. */
|
---|
97 | nls_uint32 sysdep_segments_offset;
|
---|
98 | /* The number of system dependent strings pairs. */
|
---|
99 | nls_uint32 n_sysdep_strings;
|
---|
100 | /* Offset of table with start offsets of original sysdep strings. */
|
---|
101 | nls_uint32 orig_sysdep_tab_offset;
|
---|
102 | /* Offset of table with start offsets of translated sysdep strings. */
|
---|
103 | nls_uint32 trans_sysdep_tab_offset;
|
---|
104 | };
|
---|
105 |
|
---|
106 | /* Descriptor for static string contained in the binary .mo file. */
|
---|
107 | struct string_desc
|
---|
108 | {
|
---|
109 | /* Length of addressed string, not including the trailing NUL. */
|
---|
110 | nls_uint32 length;
|
---|
111 | /* Offset of string in file. */
|
---|
112 | nls_uint32 offset;
|
---|
113 | };
|
---|
114 |
|
---|
115 | /* The following are only used in .mo files with minor revision >= 1. */
|
---|
116 |
|
---|
117 | /* Descriptor for system dependent string segment. */
|
---|
118 | struct sysdep_segment
|
---|
119 | {
|
---|
120 | /* Length of addressed string, including the trailing NUL. */
|
---|
121 | nls_uint32 length;
|
---|
122 | /* Offset of string in file. */
|
---|
123 | nls_uint32 offset;
|
---|
124 | };
|
---|
125 |
|
---|
126 | /* Descriptor for system dependent string. */
|
---|
127 | struct sysdep_string
|
---|
128 | {
|
---|
129 | /* Offset of static string segments in file. */
|
---|
130 | nls_uint32 offset;
|
---|
131 | /* Alternating sequence of static and system dependent segments.
|
---|
132 | The last segment is a static segment, including the trailing NUL. */
|
---|
133 | struct segment_pair
|
---|
134 | {
|
---|
135 | /* Size of static segment. */
|
---|
136 | nls_uint32 segsize;
|
---|
137 | /* Reference to system dependent string segment, or ~0 at the end. */
|
---|
138 | nls_uint32 sysdepref;
|
---|
139 | } segments[1];
|
---|
140 | };
|
---|
141 |
|
---|
142 | /* Marker for the end of the segments[] array. This has the value 0xFFFFFFFF,
|
---|
143 | regardless whether 'int' is 16 bit, 32 bit, or 64 bit. */
|
---|
144 | #define SEGMENTS_END ((nls_uint32) ~0)
|
---|
145 |
|
---|
146 | /* @@ begin of epilog @@ */
|
---|
147 |
|
---|
148 | #endif /* gettext.h */
|
---|