/[zanavi_public1]/navit/intl/loadinfo.h
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1 zoff99 2 /* 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 <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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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 internal_function
36     # define internal_function
37     #endif
38    
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)
43     #endif
44    
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 ';'
49     #else
50     /* Unix */
51     # define PATH_SEPARATOR ':'
52     #endif
53    
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
63    
64     #define CEN_SPECIFIC (CEN_REVISION|CEN_SPONSOR|CEN_SPECIAL|CEN_AUDIENCE)
65     #define XPG_SPECIFIC (XPG_CODESET|XPG_NORM_CODESET|XPG_MODIFIER)
66    
67    
68     struct loaded_l10nfile
69     {
70     const char *filename;
71     int decided;
72    
73     const void *data;
74    
75     struct loaded_l10nfile *next;
76     struct loaded_l10nfile *successor[1];
77     };
78    
79    
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);
86    
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);
109    
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);
114    
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.
132     */
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);
139    
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);
144    
145     #endif /* loadinfo.h */

   
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