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1 /* Copyright (C) 1996-1999, 2000-2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <firstname.lastname@example.org>, 1996.
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.
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.
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. */
20 #ifndef _LOADINFO_H
21 #define _LOADINFO_H 1
23 /* Declarations of locale dependent catalog lookup functions.
24 Implemented in
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.
31 The main function _nl_find_domain() in finddomain.c is declared
32 in gettextP.h.
35 #ifndef internal_function
36 # define internal_function
39 /* Tell the compiler when a conditional or integer expression is
40 almost always true or almost always false. */
41 #ifndef HAVE_BUILTIN_EXPECT
42 # define __builtin_expect(expr, val) (expr)
45 /* Separator in PATH like lists of pathnames. */
46 #if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
47 /* Win32, OS/2, DOS */
48 # define PATH_SEPARATOR ';'
50 /* Unix */
51 # define PATH_SEPARATOR ':'
54 /* Encoding of locale name parts. */
55 #define CEN_REVISION 1
56 #define CEN_SPONSOR 2
57 #define CEN_SPECIAL 4
58 #define XPG_NORM_CODESET 8
59 #define XPG_CODESET 16
60 #define TERRITORY 32
61 #define CEN_AUDIENCE 64
62 #define XPG_MODIFIER 128
64 #define CEN_SPECIFIC (CEN_REVISION|CEN_SPONSOR|CEN_SPECIAL|CEN_AUDIENCE)
65 #define XPG_SPECIFIC (XPG_CODESET|XPG_NORM_CODESET|XPG_MODIFIER)
68 struct loaded_l10nfile
70 const char *filename;
71 int decided;
73 const void *data;
75 struct loaded_l10nfile *next;
76 struct loaded_l10nfile *successor;
80 /* Normalize codeset name. There is no standard for the codeset
81 names. Normalization allows the user to use any of the common
82 names. The return value is dynamically allocated and has to be
83 freed by the caller. */
84 extern const char *_nl_normalize_codeset (const char *codeset,
85 size_t name_len);
87 /* Lookup a locale dependent file.
88 *L10NFILE_LIST denotes a pool of lookup results of locale dependent
89 files of the same kind, sorted in decreasing order of ->filename.
90 DIRLIST and DIRLIST_LEN are an argz list of directories in which to
91 look, containing at least one directory (i.e. DIRLIST_LEN > 0).
92 MASK, LANGUAGE, TERRITORY, CODESET, NORMALIZED_CODESET, MODIFIER,
93 SPECIAL, SPONSOR, REVISION are the pieces of the locale name, as
94 produced by _nl_explode_name(). FILENAME is the filename suffix.
95 The return value is the lookup result, either found in *L10NFILE_LIST,
96 or - if DO_ALLOCATE is nonzero - freshly allocated, or possibly NULL.
97 If the return value is non-NULL, it is added to *L10NFILE_LIST, and
98 its ->next field denotes the chaining inside *L10NFILE_LIST, and
99 furthermore its ->successor field contains a list of other lookup
100 results from which this lookup result inherits. */
101 extern struct loaded_l10nfile *
102 _nl_make_l10nflist (struct loaded_l10nfile **l10nfile_list,
103 const char *dirlist, size_t dirlist_len, int mask,
104 const char *language, const char *territory,
105 const char *codeset, const char *normalized_codeset,
106 const char *modifier, const char *special,
107 const char *sponsor, const char *revision,
108 const char *filename, int do_allocate);
110 /* Lookup the real locale name for a locale alias NAME, or NULL if
111 NAME is not a locale alias (but possibly a real locale name).
112 The return value is statically allocated and must not be freed. */
113 extern const char *_nl_expand_alias (const char *name);
115 /* Split a locale name NAME into its pieces: language, modifier,
116 territory, codeset, special, sponsor, revision.
117 NAME gets destructively modified: NUL bytes are inserted here and
118 there. *LANGUAGE gets assigned NAME. Each of *MODIFIER, *TERRITORY,
119 *CODESET, *SPECIAL, *SPONSOR, *REVISION gets assigned either a
120 pointer into the old NAME string, or NULL. *NORMALIZED_CODESET
121 gets assigned the expanded *CODESET, if it is different from *CODESET;
122 this one is dynamically allocated and has to be freed by the caller.
123 The return value is a bitmask, where each bit corresponds to one
124 filled-in value:
125 XPG_MODIFIER, CEN_AUDIENCE for *MODIFIER,
126 TERRITORY for *TERRITORY,
127 XPG_CODESET for *CODESET,
128 XPG_NORM_CODESET for *NORMALIZED_CODESET,
129 CEN_SPECIAL for *SPECIAL,
130 CEN_SPONSOR for *SPONSOR,
131 CEN_REVISION for *REVISION.
133 extern int _nl_explode_name (char *name, const char **language,
134 const char **modifier, const char **territory,
135 const char **codeset,
136 const char **normalized_codeset,
137 const char **special, const char **sponsor,
138 const char **revision);
140 /* Split a locale name NAME into a leading language part and all the
141 rest. Return a pointer to the first character after the language,
142 i.e. to the first byte of the rest. */
143 extern char *_nl_find_language (const char *name);
145 #endif /* loadinfo.h */