2 Unix SMB/CIFS implementation.
3 tdb based replacement for gettext
4 Copyright (C) Andrew Tridgell 2001
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 static TDB_CONTEXT *tdb;
25 /* the currently selected language */
26 static char *current_lang;
29 /* load a msg file into the tdb */
30 static BOOL load_msg(const char *msg_file)
37 lines = file_lines_load(msg_file, &num_lines,0);
43 if (tdb_lockall(tdb) != 0) {
44 file_lines_free(lines);
49 tdb_traverse(tdb, tdb_traverse_delete_fn, NULL);
53 for (i=0;i<num_lines;i++) {
54 if (strncmp(lines[i], "msgid \"", 7) == 0) {
57 if (msgid && strncmp(lines[i], "msgstr \"", 8) == 0) {
58 msgstr = lines[i] + 8;
59 trim_char(msgid, '\0', '\"');
60 trim_char(msgstr, '\0', '\"');
64 all_string_sub(msgid, "\\n", "\n", 0);
65 all_string_sub(msgstr, "\\n", "\n", 0);
67 key.dsize = strlen(msgid)+1;
69 data.dsize = strlen(msgstr)+1;
70 tdb_store(tdb, key, data, 0);
75 file_lines_free(lines);
82 /* work out what language to use from locale variables */
83 static const char *get_lang(void)
85 const char *vars[] = {"LANGUAGE", "LC_ALL", "LC_LANG", "LANG", NULL};
89 for (i=0; vars[i]; i++) {
90 if ((p = getenv(vars[i]))) {
98 /* initialise the message translation subsystem. If the "lang" argument
99 is NULL then get the language from the normal environment variables */
100 BOOL lang_tdb_init(const char *lang)
103 char *msg_path = NULL;
105 static int initialised;
109 /* we only want to init once per process, unless given
111 if (initialised && !lang)
115 /* we are re-initialising, free up any old init */
120 SAFE_FREE(current_lang);
126 /* no lang given, use environment */
130 /* if no lang then we don't translate */
134 asprintf(&msg_path, "%s.msg", lib_path((const char *)lang));
135 if (stat(msg_path, &st) != 0) {
136 /* the msg file isn't available */
137 DEBUG(10, ("lang_tdb_init: %s: %s\n", msg_path,
142 asprintf(&path, "%s%s.tdb", lock_path("lang_"), lang);
144 DEBUG(10, ("lang_tdb_init: loading %s\n", path));
146 tdb = tdb_open_log(path, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0644);
148 tdb = tdb_open_log(path, 0, TDB_DEFAULT, O_RDONLY, 0);
150 DEBUG(10, ("lang_tdb_init: %s: %s\n", path,
154 current_lang = SMB_STRDUP(lang);
159 loadtime = tdb_fetch_int32(tdb, "/LOADTIME/");
161 if (loadtime == -1 || loadtime < st.st_mtime) {
163 tdb_store_int32(tdb, "/LOADTIME/", (int)time(NULL));
166 current_lang = SMB_STRDUP(lang);
176 /* translate a msgid to a message string in the current language
177 returns a string that must be freed by calling lang_msg_free()
179 const char *lang_msg(const char *msgid)
183 char *q, *msgid_quoted;
188 if (!tdb) return msgid;
190 /* Due to the way quotes in msgids are escaped in the msg file we
191 must replace " with \" before doing a lookup in the tdb. */
195 for(p = msgid; *p; p++) {
200 if (!(msgid_quoted = (char *)SMB_MALLOC(strlen(msgid) + count + 1)))
203 /* string_sub() is unsuitable here as it replaces some punctuation
204 chars with underscores. */
206 for(p = msgid, q = msgid_quoted; *p; p++) {
217 key.dptr = (char *)msgid_quoted;
218 key.dsize = strlen(msgid_quoted)+1;
220 data = tdb_fetch(tdb, key);
224 /* if the message isn't found then we still need to return a pointer
225 that can be freed. Pity. */
227 return SMB_STRDUP(msgid);
229 return (const char *)data.dptr;
233 /* free up a string from lang_msg() */
234 void lang_msg_free(const char *msgstr)
237 free((void *)msgstr);
242 when the _() translation macro is used there is no obvious place to free
243 the resulting string and there is no easy way to give a static pointer.
244 All we can do is rotate between some static buffers and hope a single d_printf()
245 doesn't have more calls to _() than the number of buffers
247 const char *lang_msg_rotate(const char *msgid)
249 #define NUM_LANG_BUFS 16
251 static pstring bufs[NUM_LANG_BUFS];
254 msgstr = (char *)lang_msg(msgid);
255 if (!msgstr) return msgid;
257 pstrcpy(bufs[next], msgstr);
260 next = (next+1) % NUM_LANG_BUFS;
267 return the current language - needed for language file mappings
269 char *lang_tdb_current(void)