| 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 */ |