1 /* Copyright (C) 1996-2016 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 6 it under the terms of the GNU Lesser General Public License as published by 7 the Free Software Foundation; either version 2.1 of the License, or 8 (at your option) 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 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _LOADINFO_H 19 #define _LOADINFO_H 1 20 21 /* Declarations of locale dependent catalog lookup functions. 22 Implemented in 23 24 localealias.c Possibly replace a locale name by another. 25 explodename.c Split a locale name into its various fields. 26 l10nflist.c Generate a list of filenames of possible message catalogs. 27 finddomain.c Find and open the relevant message catalogs. 28 29 The main function _nl_find_domain() in finddomain.c is declared 30 in gettextP.h. 31 */ 32 33 #ifndef internal_function 34 # define internal_function 35 #endif 36 37 #ifndef LIBINTL_DLL_EXPORTED 38 # define LIBINTL_DLL_EXPORTED 39 #endif 40 41 /* Tell the compiler when a conditional or integer expression is 42 almost always true or almost always false. */ 43 #ifndef HAVE_BUILTIN_EXPECT 44 # define __builtin_expect(expr, val) (expr) 45 #endif 46 47 /* Separator in PATH like lists of pathnames. */ 48 #if ((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__) || defined __EMX__ || defined __DJGPP__ 49 /* Win32, OS/2, DOS */ 50 # define PATH_SEPARATOR ';' 51 #else 52 /* Unix */ 53 # define PATH_SEPARATOR ':' 54 #endif 55 56 /* Encoding of locale name parts. */ 57 #define XPG_NORM_CODESET 1 58 #define XPG_CODESET 2 59 #define XPG_TERRITORY 4 60 #define XPG_MODIFIER 8 61 62 63 struct loaded_l10nfile 64 { 65 const char *filename; 66 int decided; 67 68 const void *data; 69 70 struct loaded_l10nfile *next; 71 struct loaded_l10nfile *successor[1]; 72 }; 73 74 75 /* Normalize codeset name. There is no standard for the codeset 76 names. Normalization allows the user to use any of the common 77 names. The return value is dynamically allocated and has to be 78 freed by the caller. */ 79 extern const char *_nl_normalize_codeset (const char *codeset, 80 size_t name_len); 81 82 /* Lookup a locale dependent file. 83 *L10NFILE_LIST denotes a pool of lookup results of locale dependent 84 files of the same kind, sorted in decreasing order of ->filename. 85 DIRLIST and DIRLIST_LEN are an argz list of directories in which to 86 look, containing at least one directory (i.e. DIRLIST_LEN > 0). 87 MASK, LANGUAGE, TERRITORY, CODESET, NORMALIZED_CODESET, MODIFIER 88 are the pieces of the locale name, as produced by _nl_explode_name(). 89 FILENAME is the filename suffix. 90 The return value is the lookup result, either found in *L10NFILE_LIST, 91 or - if DO_ALLOCATE is nonzero - freshly allocated, or possibly NULL. 92 If the return value is non-NULL, it is added to *L10NFILE_LIST, and 93 its ->next field denotes the chaining inside *L10NFILE_LIST, and 94 furthermore its ->successor[] field contains a list of other lookup 95 results from which this lookup result inherits. */ 96 extern struct loaded_l10nfile * 97 _nl_make_l10nflist (struct loaded_l10nfile **l10nfile_list, 98 const char *dirlist, size_t dirlist_len, int mask, 99 const char *language, const char *territory, 100 const char *codeset, const char *normalized_codeset, 101 const char *modifier, 102 const char *filename, int do_allocate); 103 104 /* Lookup the real locale name for a locale alias NAME, or NULL if 105 NAME is not a locale alias (but possibly a real locale name). 106 The return value is statically allocated and must not be freed. */ 107 /* Part of the libintl ABI only for the sake of the gettext.m4 macro. */ 108 extern LIBINTL_DLL_EXPORTED const char *_nl_expand_alias (const char *name); 109 110 /* Split a locale name NAME into its pieces: language, modifier, 111 territory, codeset. 112 NAME gets destructively modified: NUL bytes are inserted here and 113 there. *LANGUAGE gets assigned NAME. Each of *MODIFIER, *TERRITORY, 114 *CODESET gets assigned either a pointer into the old NAME string, or 115 NULL. *NORMALIZED_CODESET gets assigned the expanded *CODESET, if it 116 is different from *CODESET; this one is dynamically allocated and has 117 to be freed by the caller. 118 The return value is a bitmask, where each bit corresponds to one 119 filled-in value: 120 XPG_MODIFIER for *MODIFIER, 121 XPG_TERRITORY for *TERRITORY, 122 XPG_CODESET for *CODESET, 123 XPG_NORM_CODESET for *NORMALIZED_CODESET. 124 */ 125 extern int _nl_explode_name (char *name, const char **language, 126 const char **modifier, const char **territory, 127 const char **codeset, 128 const char **normalized_codeset); 129 130 #endif /* loadinfo.h */ 131