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comparison intl/loadinfo.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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1 /* Copyright (C) 1996-1999, 2000-2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
4
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU Library General Public License as published
7 by the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
18 USA. */
19
20 #ifndef _LOADINFO_H
21 #define _LOADINFO_H 1
22
23 /* Declarations of locale dependent catalog lookup functions.
24 Implemented in
25
26 localealias.c Possibly replace a locale name by another.
27 explodename.c Split a locale name into its various fields.
28 l10nflist.c Generate a list of filenames of possible message catalogs.
29 finddomain.c Find and open the relevant message catalogs.
30
31 The main function _nl_find_domain() in finddomain.c is declared
32 in gettextP.h.
33 */
34
35 #ifndef PARAMS
36 # if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES
37 # define PARAMS(args) args
38 # else
39 # define PARAMS(args) ()
40 # endif
41 #endif
42
43 #ifndef internal_function
44 # define internal_function
45 #endif
46
47 /* Tell the compiler when a conditional or integer expression is
48 almost always true or almost always false. */
49 #ifndef HAVE_BUILTIN_EXPECT
50 # define __builtin_expect(expr, val) (expr)
51 #endif
52
53 /* Separator in PATH like lists of pathnames. */
54 #if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
55 /* Win32, OS/2, DOS */
56 # define PATH_SEPARATOR ';'
57 #else
58 /* Unix */
59 # define PATH_SEPARATOR ':'
60 #endif
61
62 /* Encoding of locale name parts. */
63 #define CEN_REVISION 1
64 #define CEN_SPONSOR 2
65 #define CEN_SPECIAL 4
66 #define XPG_NORM_CODESET 8
67 #define XPG_CODESET 16
68 #define TERRITORY 32
69 #define CEN_AUDIENCE 64
70 #define XPG_MODIFIER 128
71
72 #define CEN_SPECIFIC (CEN_REVISION|CEN_SPONSOR|CEN_SPECIAL|CEN_AUDIENCE)
73 #define XPG_SPECIFIC (XPG_CODESET|XPG_NORM_CODESET|XPG_MODIFIER)
74
75
76 struct loaded_l10nfile
77 {
78 const char *filename;
79 int decided;
80
81 const void *data;
82
83 struct loaded_l10nfile *next;
84 struct loaded_l10nfile *successor[1];
85 };
86
87
88 /* Normalize codeset name. There is no standard for the codeset
89 names. Normalization allows the user to use any of the common
90 names. The return value is dynamically allocated and has to be
91 freed by the caller. */
92 extern const char *_nl_normalize_codeset PARAMS ((const char *codeset,
93 size_t name_len));
94
95 /* Lookup a locale dependent file.
96 *L10NFILE_LIST denotes a pool of lookup results of locale dependent
97 files of the same kind, sorted in decreasing order of ->filename.
98 DIRLIST and DIRLIST_LEN are an argz list of directories in which to
99 look, containing at least one directory (i.e. DIRLIST_LEN > 0).
100 MASK, LANGUAGE, TERRITORY, CODESET, NORMALIZED_CODESET, MODIFIER,
101 SPECIAL, SPONSOR, REVISION are the pieces of the locale name, as
102 produced by _nl_explode_name(). FILENAME is the filename suffix.
103 The return value is the lookup result, either found in *L10NFILE_LIST,
104 or - if DO_ALLOCATE is nonzero - freshly allocated, or possibly NULL.
105 If the return value is non-NULL, it is added to *L10NFILE_LIST, and
106 its ->next field denotes the chaining inside *L10NFILE_LIST, and
107 furthermore its ->successor[] field contains a list of other lookup
108 results from which this lookup result inherits. */
109 extern struct loaded_l10nfile *
110 _nl_make_l10nflist PARAMS ((struct loaded_l10nfile **l10nfile_list,
111 const char *dirlist, size_t dirlist_len, int mask,
112 const char *language, const char *territory,
113 const char *codeset,
114 const char *normalized_codeset,
115 const char *modifier, const char *special,
116 const char *sponsor, const char *revision,
117 const char *filename, int do_allocate));
118
119 /* Lookup the real locale name for a locale alias NAME, or NULL if
120 NAME is not a locale alias (but possibly a real locale name).
121 The return value is statically allocated and must not be freed. */
122 extern const char *_nl_expand_alias PARAMS ((const char *name));
123
124 /* Split a locale name NAME into its pieces: language, modifier,
125 territory, codeset, special, sponsor, revision.
126 NAME gets destructively modified: NUL bytes are inserted here and
127 there. *LANGUAGE gets assigned NAME. Each of *MODIFIER, *TERRITORY,
128 *CODESET, *SPECIAL, *SPONSOR, *REVISION gets assigned either a
129 pointer into the old NAME string, or NULL. *NORMALIZED_CODESET
130 gets assigned the expanded *CODESET, if it is different from *CODESET;
131 this one is dynamically allocated and has to be freed by the caller.
132 The return value is a bitmask, where each bit corresponds to one
133 filled-in value:
134 XPG_MODIFIER, CEN_AUDIENCE for *MODIFIER,
135 TERRITORY for *TERRITORY,
136 XPG_CODESET for *CODESET,
137 XPG_NORM_CODESET for *NORMALIZED_CODESET,
138 CEN_SPECIAL for *SPECIAL,
139 CEN_SPONSOR for *SPONSOR,
140 CEN_REVISION for *REVISION.
141 */
142 extern int _nl_explode_name PARAMS ((char *name, const char **language,
143 const char **modifier,
144 const char **territory,
145 const char **codeset,
146 const char **normalized_codeset,
147 const char **special,
148 const char **sponsor,
149 const char **revision));
150
151 /* Split a locale name NAME into a leading language part and all the
152 rest. Return a pointer to the first character after the language,
153 i.e. to the first byte of the rest. */
154 extern char *_nl_find_language PARAMS ((const char *name));
155
156 #endif /* loadinfo.h */