1 /*        $NetBSD: libintl_local.h,v 1.12 2007/09/25 08:22:44 junyoung Exp $    */
2 
3 /*-
4  * Copyright (c) 2000, 2001 Citrus Project,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $Citrus: xpg4dl/FreeBSD/lib/libintl/libintl_local.h,v 1.13 2001/09/27 15:18:45 yamt Exp $
29  */
30 
31 #define MO_MAGIC              0x950412de
32 #define MO_MAGIC_SWAPPED      0xde120495
33 #define MO_GET_REV_MAJOR(r)   (((r) >> 16) & 0xFFFF)
34 #define MO_GET_REV_MINOR(r)   ((r) & 0xFFFF)
35 #define MO_MAKE_REV(maj, min) (((maj) << 16) | (min))
36 
37 #define GETTEXT_MMAP_MAX      (1024 * 1024)       /*XXX*/
38 
39 #define DEFAULT_DOMAINNAME    "messages"
40 
41 /* *.mo file format */
42 struct mo {
43           uint32_t mo_magic;  /* determines endian */
44           uint32_t mo_revision;         /* file format revision: 0 */
45           uint32_t mo_nstring;          /* N: number of strings */
46           uint32_t mo_otable; /* O: original text table offset */
47           uint32_t mo_ttable; /* T: translated text table offset */
48           uint32_t mo_hsize;  /* S: size of hashing table */
49           uint32_t mo_hoffset;          /* H: offset of hashing table */
50           /* rev 0.1 / 1.1 */
51           /* system dependent string support */
52           uint32_t mo_sysdep_nsegs;     /* number of sysdep segments */
53           uint32_t mo_sysdep_segoff;    /* offset of sysdep segment table */
54           uint32_t mo_sysdep_nstring;   /* number of strings */
55           uint32_t mo_sysdep_otable;    /* offset of original text table */
56           uint32_t mo_sysdep_ttable;    /* offset of translated text table */
57 } __packed;
58 
59 struct moentry {
60           uint32_t len;                 /* strlen(str), so region will be len + 1 */
61           uint32_t off;                 /* offset of \0-terminated string */
62 } __packed;
63 
64 struct mosysdepsegentry {
65           uint32_t len;                 /* length of this part */
66           uint32_t ref;                 /* reference number of the sysdep string,
67                                          * concatenated just after this segment.
68                                          */
69 } __packed;
70 #define MO_LASTSEG            (0xFFFFFFFF)
71 
72 struct mosysdepstr {
73           uint32_t off;                                     /* offset of seed text */
74           struct mosysdepsegentry segs[1];        /* text segments */
75 } __packed;
76 
77 /* libintl internal data format */
78 struct moentry_h {
79           size_t len;                   /* strlen(str), so region will be len + 1 */
80           char *off;                    /* offset of \0-terminated string */
81 };
82 
83 struct mosysdepsegs_h {
84           const char *str;
85           size_t len;
86 };
87 
88 struct mosysdepsegentry_h {
89           uint32_t len;
90           uint32_t ref;
91 };
92 
93 struct mosysdepstr_h {
94           const char *off;                        /* offset of the base string */
95           char *expanded;                                   /* expanded string */
96           size_t expanded_len;                              /* length of expanded string */
97           struct mosysdepsegentry_h segs[1];      /* text segments */
98 };
99 
100 struct gettext_plural;
101 struct mo_h {
102           uint32_t mo_magic;  /* determines endian */
103           uint32_t mo_revision;         /* file format revision: 0 */
104           uint32_t mo_nstring;          /* N: number of strings */
105           struct moentry_h *mo_otable;  /* O: original text table offset */
106           struct moentry_h *mo_ttable;  /* T: translated text table offset */
107           const char *mo_header;
108           struct gettext_plural *mo_plural;
109           unsigned long mo_nplurals;
110           char *mo_charset;
111           uint32_t mo_hsize;  /* S: size of hashing table */
112           uint32_t *mo_htable;          /* H: hashing table */
113 #define MO_HASH_SYSDEP_MASK   0x80000000          /* means sysdep entry */
114 
115           uint32_t mo_flags;
116 #define MO_F_SYSDEP 0x00000001          /* enable sysdep string support */
117 
118           /* system dependent string support */
119           uint32_t mo_sysdep_nsegs;     /* number of sysdep segments */
120           uint32_t mo_sysdep_nstring;   /* number of sysdep strings */
121           struct mosysdepsegs_h *mo_sysdep_segs;  /* sysdep segment table */
122           struct mosysdepstr_h **mo_sysdep_otable;          /* original text */
123           struct mosysdepstr_h **mo_sysdep_ttable;          /* translated text */
124 };
125 
126 
127 struct mohandle {
128           void *addr;                   /* mmap'ed region */
129           size_t len;
130           struct mo_h mo;               /* endian-flipped mo file header */
131 };
132 
133 struct domainbinding {
134           struct domainbinding *next;
135           char domainname[PATH_MAX];
136           char path[PATH_MAX];
137           char *codeset;
138           struct mohandle mohandle;
139 };
140 
141 extern struct domainbinding *__bindings;
142 extern char __current_domainname[PATH_MAX];
143 
144 __BEGIN_DECLS
145 const char *__gettext_iconv(const char *, struct domainbinding *);
146 uint32_t __intl_string_hash(const char *);
147 const char *__intl_sysdep_get_string_by_tag(const char *, size_t *);
148 __END_DECLS
149