xref: /minix/lib/libintl/libintl_local.h (revision 36dcc4a4)
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