/[zanavi_public1]/navit/intl/gmo.h
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1 /* Description of GNU message catalog format: general file layout.
2 Copyright (C) 1995, 1997, 2000-2002, 2004 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 #define MO_REVISION_NUMBER_WITH_SYSDEP_I 1
33
34 /* The following contortions are an attempt to use the C preprocessor
35 to determine an unsigned integral type that is 32 bits wide. An
36 alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but
37 as of version autoconf-2.13, the AC_CHECK_SIZEOF macro doesn't work
38 when cross-compiling. */
39
40 #if __STDC__
41 # define UINT_MAX_32_BITS 4294967295U
42 #else
43 # define UINT_MAX_32_BITS 0xFFFFFFFF
44 #endif
45
46 /* If UINT_MAX isn't defined, assume it's a 32-bit type.
47 This should be valid for all systems GNU cares about because
48 that doesn't include 16-bit systems, and only modern systems
49 (that certainly have <limits.h>) have 64+-bit integral types. */
50
51 #ifndef UINT_MAX
52 # define UINT_MAX UINT_MAX_32_BITS
53 #endif
54
55 #if UINT_MAX == UINT_MAX_32_BITS
56 typedef unsigned nls_uint32;
57 #else
58 # if USHRT_MAX == UINT_MAX_32_BITS
59 typedef unsigned short nls_uint32;
60 # else
61 # if ULONG_MAX == UINT_MAX_32_BITS
62 typedef unsigned long nls_uint32;
63 # else
64 /* The following line is intended to throw an error. Using #error is
65 not portable enough. */
66 "Cannot determine unsigned 32-bit data type."
67 # endif
68 # endif
69 #endif
70
71
72 /* Header for binary .mo file format. */
73 struct mo_file_header
74 {
75 /* The magic number. */
76 nls_uint32 magic;
77 /* The revision number of the file format. */
78 nls_uint32 revision;
79
80 /* The following are only used in .mo files with major revision 0 or 1. */
81
82 /* The number of strings pairs. */
83 nls_uint32 nstrings;
84 /* Offset of table with start offsets of original strings. */
85 nls_uint32 orig_tab_offset;
86 /* Offset of table with start offsets of translated strings. */
87 nls_uint32 trans_tab_offset;
88 /* Size of hash table. */
89 nls_uint32 hash_tab_size;
90 /* Offset of first hash table entry. */
91 nls_uint32 hash_tab_offset;
92
93 /* The following are only used in .mo files with minor revision >= 1. */
94
95 /* The number of system dependent segments. */
96 nls_uint32 n_sysdep_segments;
97 /* Offset of table describing system dependent segments. */
98 nls_uint32 sysdep_segments_offset;
99 /* The number of system dependent strings pairs. */
100 nls_uint32 n_sysdep_strings;
101 /* Offset of table with start offsets of original sysdep strings. */
102 nls_uint32 orig_sysdep_tab_offset;
103 /* Offset of table with start offsets of translated sysdep strings. */
104 nls_uint32 trans_sysdep_tab_offset;
105 };
106
107 /* Descriptor for static string contained in the binary .mo file. */
108 struct string_desc
109 {
110 /* Length of addressed string, not including the trailing NUL. */
111 nls_uint32 length;
112 /* Offset of string in file. */
113 nls_uint32 offset;
114 };
115
116 /* The following are only used in .mo files with minor revision >= 1. */
117
118 /* Descriptor for system dependent string segment. */
119 struct sysdep_segment
120 {
121 /* Length of addressed string, including the trailing NUL. */
122 nls_uint32 length;
123 /* Offset of string in file. */
124 nls_uint32 offset;
125 };
126
127 /* Descriptor for system dependent string. */
128 struct sysdep_string
129 {
130 /* Offset of static string segments in file. */
131 nls_uint32 offset;
132 /* Alternating sequence of static and system dependent segments.
133 The last segment is a static segment, including the trailing NUL. */
134 struct segment_pair
135 {
136 /* Size of static segment. */
137 nls_uint32 segsize;
138 /* Reference to system dependent string segment, or ~0 at the end. */
139 nls_uint32 sysdepref;
140 } segments[1];
141 };
142
143 /* Marker for the end of the segments[] array. This has the value 0xFFFFFFFF,
144 regardless whether 'int' is 16 bit, 32 bit, or 64 bit. */
145 #define SEGMENTS_END ((nls_uint32) ~0)
146
147 /* @@ begin of epilog @@ */
148
149 #endif /* gettext.h */

   
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