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author | Yoshihisa Uchida <uchida@rockbox.org> | 2010-06-05 10:30:08 +0000 |
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committer | Yoshihisa Uchida <uchida@rockbox.org> | 2010-06-05 10:30:08 +0000 |
commit | fdba8404503af0448586615330a7b27f2ced531c (patch) | |
tree | bb15677a7a720675ac2666f11e62042f3b2639ad /apps/plugins/text_viewer/tv_settings.c | |
parent | 991e92fd3dc15f1e365761264c26305559ddb0a4 (diff) | |
download | rockbox-fdba8404503af0448586615330a7b27f2ced531c.tar.gz rockbox-fdba8404503af0448586615330a7b27f2ced531c.zip |
reworks text viewer plugin. (FS#11209)
new text viewer plugin: text_viewer.rock.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26571 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/text_viewer/tv_settings.c')
-rw-r--r-- | apps/plugins/text_viewer/tv_settings.c | 519 |
1 files changed, 519 insertions, 0 deletions
diff --git a/apps/plugins/text_viewer/tv_settings.c b/apps/plugins/text_viewer/tv_settings.c new file mode 100644 index 0000000000..bb4ead7b5d --- /dev/null +++ b/apps/plugins/text_viewer/tv_settings.c | |||
@@ -0,0 +1,519 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 Gilles Roux | ||
11 | * 2003 Garrett Derner | ||
12 | * 2010 Yoshihisa Uchida | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
20 | * KIND, either express or implied. | ||
21 | * | ||
22 | ****************************************************************************/ | ||
23 | #include "plugin.h" | ||
24 | #include "tv_bookmark.h" | ||
25 | #include "tv_reader.h" | ||
26 | #include "tv_settings.h" | ||
27 | |||
28 | /* global settings file | ||
29 | * binary file, so dont use .cfg | ||
30 | * | ||
31 | * setting file format | ||
32 | * | ||
33 | * part byte count | ||
34 | * -------------------------------- | ||
35 | * 'TVGS' 4 | ||
36 | * version 1 | ||
37 | * word_mode 1 | ||
38 | * line_mode 1 | ||
39 | * view_mode 1 | ||
40 | * alignment 1 | ||
41 | * encoding 1 | ||
42 | * scrollbar_mode 1 | ||
43 | * (unused) 1 (for compatibility) | ||
44 | * page_mode 1 | ||
45 | * page_number_mode 1 | ||
46 | * title_mode 1 | ||
47 | * scroll_mode 1 | ||
48 | * autoscroll_speed 1 | ||
49 | * font name MAX_PATH | ||
50 | */ | ||
51 | |||
52 | #define VIEWER_GLOBAL_SETTINGS_FILE VIEWERS_DIR "/viewer.dat" | ||
53 | #define TV_GLOBAL_SETTINGS_FILE VIEWERS_DIR "/tv_global.dat" | ||
54 | |||
55 | #define TV_GLOBAL_SETTINGS_HEADER "\x54\x56\x47\x53" /* "TVGS" */ | ||
56 | #define TV_GLOBAL_SETTINGS_VERSION 0x32 | ||
57 | #define TV_GLOBAL_SETTINGS_HEADER_SIZE 5 | ||
58 | #define TV_GLOBAL_SETTINGS_FIRST_VERSION 0x31 | ||
59 | |||
60 | /* preferences and bookmarks at each file | ||
61 | * binary file, so dont use .cfg | ||
62 | * | ||
63 | * setting file format | ||
64 | * | ||
65 | * part byte count | ||
66 | * -------------------------------- | ||
67 | * 'TVS' 3 | ||
68 | * version 1 | ||
69 | * file count 2 | ||
70 | * [1st file] | ||
71 | * file path MAX_PATH | ||
72 | * next file pos 2 (prefences size + bookmark count * bookmark size + 1) | ||
73 | * [preferences] | ||
74 | * word_mode 1 | ||
75 | * line_mode 1 | ||
76 | * view_mode 1 | ||
77 | * alignment 1 | ||
78 | * encoding 1 | ||
79 | * scrollbar_mode 1 | ||
80 | * (unused) 1 (for compatibility) | ||
81 | * page_mode 1 | ||
82 | * header_mode 1 | ||
83 | * footer_mode 1 | ||
84 | * scroll_mode 1 | ||
85 | * autoscroll_speed 1 | ||
86 | * font name MAX_PATH | ||
87 | * bookmark count 1 | ||
88 | * [1st bookmark] | ||
89 | * file_position 4 | ||
90 | * page 2 | ||
91 | * line 1 | ||
92 | * flag 1 | ||
93 | * [2nd bookmark] | ||
94 | * ... | ||
95 | * [last bookmark] | ||
96 | * [2nd file] | ||
97 | * ... | ||
98 | * [last file] | ||
99 | */ | ||
100 | #define VIEWER_SETTINGS_FILE VIEWERS_DIR "/viewer_file.dat" | ||
101 | #define TV_SETTINGS_FILE VIEWERS_DIR "/tv_file.dat" | ||
102 | |||
103 | /* temporary file */ | ||
104 | #define TV_SETTINGS_TMP_FILE VIEWERS_DIR "/tv_file.tmp" | ||
105 | |||
106 | #define TV_SETTINGS_HEADER "\x54\x56\x53" /* "TVS" */ | ||
107 | #define TV_SETTINGS_VERSION 0x33 | ||
108 | #define TV_SETTINGS_HEADER_SIZE 4 | ||
109 | #define TV_SETTINGS_FIRST_VERSION 0x32 | ||
110 | |||
111 | #define TV_PREFERENCES_SIZE (12 + MAX_PATH) | ||
112 | |||
113 | /* ---------------------------------------------------------------------------- | ||
114 | * read/write the preferences | ||
115 | * ---------------------------------------------------------------------------- | ||
116 | */ | ||
117 | |||
118 | static bool tv_read_preferences(int pfd, int version, struct tv_preferences *prefs) | ||
119 | { | ||
120 | unsigned char buf[TV_PREFERENCES_SIZE]; | ||
121 | const unsigned char *p = buf; | ||
122 | int read_size = TV_PREFERENCES_SIZE; | ||
123 | |||
124 | if (version == 0) | ||
125 | read_size--; | ||
126 | |||
127 | if (rb->read(pfd, buf, read_size) < 0) | ||
128 | return false; | ||
129 | |||
130 | prefs->word_mode = *p++; | ||
131 | prefs->line_mode = *p++; | ||
132 | prefs->view_mode = *p++; | ||
133 | if (version > 0) | ||
134 | prefs->alignment = *p++; | ||
135 | else | ||
136 | prefs->alignment = LEFT; | ||
137 | prefs->encoding = *p++; | ||
138 | prefs->scrollbar_mode = *p++; | ||
139 | /* skip need_scrollbar */ | ||
140 | p++; | ||
141 | prefs->page_mode = *p++; | ||
142 | prefs->header_mode = *p++; | ||
143 | prefs->footer_mode = *p++; | ||
144 | prefs->scroll_mode = *p++; | ||
145 | prefs->autoscroll_speed = *p++; | ||
146 | rb->memcpy(prefs->font_name, p, MAX_PATH); | ||
147 | #ifdef HAVE_LCD_BITMAP | ||
148 | prefs->font = rb->font_get(FONT_UI); | ||
149 | #endif | ||
150 | |||
151 | return true; | ||
152 | } | ||
153 | |||
154 | static bool tv_write_preferences(int pfd, const struct tv_preferences *prefs) | ||
155 | { | ||
156 | unsigned char buf[TV_PREFERENCES_SIZE]; | ||
157 | unsigned char *p = buf; | ||
158 | |||
159 | *p++ = prefs->word_mode; | ||
160 | *p++ = prefs->line_mode; | ||
161 | *p++ = prefs->view_mode; | ||
162 | *p++ = prefs->alignment; | ||
163 | *p++ = prefs->encoding; | ||
164 | *p++ = prefs->scrollbar_mode; | ||
165 | /* skip need_scrollbar */ | ||
166 | p++; | ||
167 | *p++ = prefs->page_mode; | ||
168 | *p++ = prefs->header_mode; | ||
169 | *p++ = prefs->footer_mode; | ||
170 | *p++ = prefs->scroll_mode; | ||
171 | *p++ = prefs->autoscroll_speed; | ||
172 | rb->memcpy(p, prefs->font_name, MAX_PATH); | ||
173 | |||
174 | return (rb->write(pfd, buf, TV_PREFERENCES_SIZE) >= 0); | ||
175 | } | ||
176 | |||
177 | /* ---------------------------------------------------------------------------- | ||
178 | * convert vewer.rock's settings file to text_viewer.rock's settings file | ||
179 | * ---------------------------------------------------------------------------- | ||
180 | */ | ||
181 | |||
182 | static bool tv_convert_settings(int sfd, int dfd, int old_ver) | ||
183 | { | ||
184 | struct tv_preferences new_prefs; | ||
185 | off_t old_pos; | ||
186 | off_t new_pos; | ||
187 | unsigned char buf[MAX_PATH + 2]; | ||
188 | int settings_size; | ||
189 | |||
190 | rb->read(sfd, buf, MAX_PATH + 2); | ||
191 | rb->write(dfd, buf, MAX_PATH + 2); | ||
192 | |||
193 | settings_size = (buf[MAX_PATH] << 8) | buf[MAX_PATH + 1]; | ||
194 | |||
195 | old_pos = rb->lseek(sfd, 0, SEEK_CUR); | ||
196 | new_pos = rb->lseek(dfd, 0, SEEK_CUR); | ||
197 | |||
198 | /* | ||
199 | * when the settings size != preferences size + bookmarks size, | ||
200 | * settings data are considered to be old version. | ||
201 | */ | ||
202 | if (old_ver > 0 && ((settings_size - TV_PREFERENCES_SIZE) % 8) == 0) | ||
203 | old_ver = 0; | ||
204 | |||
205 | if (!tv_read_preferences(sfd, old_ver, &new_prefs)) | ||
206 | return false; | ||
207 | |||
208 | if (!tv_write_preferences(dfd, &new_prefs)) | ||
209 | return false; | ||
210 | |||
211 | settings_size -= (rb->lseek(sfd, 0, SEEK_CUR) - old_pos); | ||
212 | |||
213 | if (settings_size > 0) | ||
214 | { | ||
215 | rb->read(sfd, buf, settings_size); | ||
216 | rb->write(dfd, buf, settings_size); | ||
217 | } | ||
218 | |||
219 | settings_size = rb->lseek(dfd, 0, SEEK_CUR) - new_pos; | ||
220 | buf[0] = settings_size >> 8; | ||
221 | buf[1] = settings_size; | ||
222 | rb->lseek(dfd, new_pos - 2, SEEK_SET); | ||
223 | rb->write(dfd, buf, 2); | ||
224 | rb->lseek(dfd, settings_size, SEEK_CUR); | ||
225 | return true; | ||
226 | } | ||
227 | |||
228 | static void tv_convert_settings_file(void) | ||
229 | { | ||
230 | unsigned char buf[TV_SETTINGS_HEADER_SIZE + 2]; | ||
231 | int sfd; | ||
232 | int tfd; | ||
233 | int i; | ||
234 | int fcount; | ||
235 | int version; | ||
236 | bool res = false; | ||
237 | |||
238 | if ((sfd = rb->open(VIEWER_SETTINGS_FILE, O_RDONLY)) < 0) | ||
239 | return; | ||
240 | |||
241 | if ((tfd = rb->open(TV_SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC, 0666)) < 0) | ||
242 | { | ||
243 | rb->close(sfd); | ||
244 | return; | ||
245 | } | ||
246 | |||
247 | if (rb->read(sfd, buf, TV_SETTINGS_HEADER_SIZE + 2) >= 0) | ||
248 | { | ||
249 | version = buf[TV_SETTINGS_HEADER_SIZE - 1] - TV_SETTINGS_FIRST_VERSION; | ||
250 | fcount = (buf[TV_SETTINGS_HEADER_SIZE] << 8) | buf[TV_SETTINGS_HEADER_SIZE + 1]; | ||
251 | buf[TV_SETTINGS_HEADER_SIZE - 1] = TV_SETTINGS_VERSION; | ||
252 | |||
253 | if (rb->write(tfd, buf, TV_SETTINGS_HEADER_SIZE + 2) >= 0) | ||
254 | { | ||
255 | res = true; | ||
256 | for (i = 0; i < fcount; i++) | ||
257 | { | ||
258 | if (!tv_convert_settings(sfd, tfd, version)) | ||
259 | { | ||
260 | res = false; | ||
261 | break; | ||
262 | } | ||
263 | } | ||
264 | } | ||
265 | } | ||
266 | |||
267 | rb->close(sfd); | ||
268 | rb->close(tfd); | ||
269 | |||
270 | if (res) | ||
271 | rb->rename(TV_SETTINGS_TMP_FILE, TV_SETTINGS_FILE); | ||
272 | else | ||
273 | rb->remove(TV_SETTINGS_TMP_FILE); | ||
274 | |||
275 | return; | ||
276 | } | ||
277 | |||
278 | /* ---------------------------------------------------------------------------- | ||
279 | * load/save the global settings | ||
280 | * ---------------------------------------------------------------------------- | ||
281 | */ | ||
282 | |||
283 | bool tv_load_global_settings(struct tv_preferences *prefs) | ||
284 | { | ||
285 | unsigned char buf[TV_GLOBAL_SETTINGS_HEADER_SIZE]; | ||
286 | int fd; | ||
287 | int version; | ||
288 | bool res = false; | ||
289 | |||
290 | /* | ||
291 | * the viewer.rock's setting file read when the text_viewer.rock's setting file | ||
292 | * does not read. | ||
293 | */ | ||
294 | if ((fd = rb->open(TV_GLOBAL_SETTINGS_FILE, O_RDONLY)) < 0) | ||
295 | fd = rb->open(VIEWER_GLOBAL_SETTINGS_FILE, O_RDONLY); | ||
296 | |||
297 | if (fd >= 0) | ||
298 | { | ||
299 | if ((rb->read(fd, buf, TV_GLOBAL_SETTINGS_HEADER_SIZE) > 0) && | ||
300 | (rb->memcmp(buf, TV_GLOBAL_SETTINGS_HEADER, TV_GLOBAL_SETTINGS_HEADER_SIZE - 1) == 0)) | ||
301 | { | ||
302 | version = buf[TV_GLOBAL_SETTINGS_HEADER_SIZE - 1] - TV_GLOBAL_SETTINGS_FIRST_VERSION; | ||
303 | res = tv_read_preferences(fd, version, prefs); | ||
304 | } | ||
305 | rb->close(fd); | ||
306 | } | ||
307 | return res; | ||
308 | } | ||
309 | |||
310 | bool tv_save_global_settings(const struct tv_preferences *prefs) | ||
311 | { | ||
312 | unsigned char buf[TV_GLOBAL_SETTINGS_HEADER_SIZE]; | ||
313 | int fd; | ||
314 | bool res; | ||
315 | |||
316 | if ((fd = rb->open(TV_SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC, 0666)) < 0) | ||
317 | return false; | ||
318 | |||
319 | rb->memcpy(buf, TV_GLOBAL_SETTINGS_HEADER, TV_GLOBAL_SETTINGS_HEADER_SIZE - 1); | ||
320 | buf[TV_GLOBAL_SETTINGS_HEADER_SIZE - 1] = TV_GLOBAL_SETTINGS_VERSION; | ||
321 | |||
322 | res = (rb->write(fd, buf, TV_GLOBAL_SETTINGS_HEADER_SIZE) >= 0) && | ||
323 | (tv_write_preferences(fd, prefs)); | ||
324 | rb->close(fd); | ||
325 | |||
326 | if (res) | ||
327 | { | ||
328 | rb->remove(TV_GLOBAL_SETTINGS_FILE); | ||
329 | rb->rename(TV_SETTINGS_TMP_FILE, TV_GLOBAL_SETTINGS_FILE); | ||
330 | } | ||
331 | else | ||
332 | rb->remove(TV_SETTINGS_TMP_FILE); | ||
333 | |||
334 | return res; | ||
335 | } | ||
336 | |||
337 | /* ---------------------------------------------------------------------------- | ||
338 | * load/save the settings | ||
339 | * ---------------------------------------------------------------------------- | ||
340 | */ | ||
341 | |||
342 | void tv_load_settings(const unsigned char *file_name) | ||
343 | { | ||
344 | unsigned char buf[MAX_PATH+2]; | ||
345 | unsigned int fcount; | ||
346 | unsigned int i; | ||
347 | bool res = false; | ||
348 | int fd; | ||
349 | int version; | ||
350 | unsigned int size; | ||
351 | struct tv_preferences prefs; | ||
352 | |||
353 | if (!rb->file_exists(TV_SETTINGS_FILE)) | ||
354 | tv_convert_settings_file(); | ||
355 | |||
356 | if ((fd = rb->open(TV_SETTINGS_FILE, O_RDONLY)) >= 0) | ||
357 | { | ||
358 | if ((rb->read(fd, buf, TV_SETTINGS_HEADER_SIZE + 2) >= 0) && | ||
359 | (rb->memcmp(buf, TV_SETTINGS_HEADER, TV_SETTINGS_HEADER_SIZE - 1) == 0)) | ||
360 | { | ||
361 | version = buf[TV_SETTINGS_HEADER_SIZE - 1] - TV_SETTINGS_FIRST_VERSION; | ||
362 | fcount = (buf[TV_SETTINGS_HEADER_SIZE] << 8) | buf[TV_SETTINGS_HEADER_SIZE+1]; | ||
363 | |||
364 | for (i = 0; i < fcount; i++) | ||
365 | { | ||
366 | if (rb->read(fd, buf, MAX_PATH+2) >= 0) | ||
367 | { | ||
368 | size = (buf[MAX_PATH] << 8) | buf[MAX_PATH+1]; | ||
369 | if (rb->strcmp(buf, file_name) == 0) | ||
370 | { | ||
371 | if (tv_read_preferences(fd, version, &prefs)) | ||
372 | res = tv_deserialize_bookmarks(fd); | ||
373 | |||
374 | break; | ||
375 | } | ||
376 | rb->lseek(fd, size, SEEK_CUR); | ||
377 | } | ||
378 | } | ||
379 | rb->close(fd); | ||
380 | } | ||
381 | else | ||
382 | { | ||
383 | /* when the settings file is illegal, removes it */ | ||
384 | rb->close(fd); | ||
385 | rb->remove(TV_SETTINGS_FILE); | ||
386 | } | ||
387 | } | ||
388 | if (!res) | ||
389 | { | ||
390 | /* specifications are acquired from the global settings */ | ||
391 | if (!tv_load_global_settings(&prefs)) | ||
392 | tv_set_default_preferences(&prefs); | ||
393 | } | ||
394 | rb->strlcpy(prefs.file_name, file_name, MAX_PATH); | ||
395 | tv_set_preferences(&prefs); | ||
396 | } | ||
397 | |||
398 | static bool tv_copy_settings(int sfd, int dfd, int size) | ||
399 | { | ||
400 | unsigned char buf[MAX_PATH]; | ||
401 | int i = size / MAX_PATH; | ||
402 | |||
403 | size %= MAX_PATH; | ||
404 | |||
405 | while (i--) | ||
406 | { | ||
407 | if ((rb->read(sfd, buf, MAX_PATH) < 0) || (rb->write(dfd, buf, MAX_PATH) < 0)) | ||
408 | return false; | ||
409 | } | ||
410 | |||
411 | return ((rb->read(sfd, buf, size) >= 0) && (rb->write(dfd, buf, size) >= 0)); | ||
412 | } | ||
413 | |||
414 | bool tv_save_settings(void) | ||
415 | { | ||
416 | const struct tv_preferences *prefs = tv_get_preferences(); | ||
417 | unsigned char buf[MAX_PATH+2]; | ||
418 | unsigned int fcount = 0; | ||
419 | unsigned int i; | ||
420 | int ofd = -1; | ||
421 | int tfd; | ||
422 | off_t size; | ||
423 | bool res = true; | ||
424 | |||
425 | /* add reading page to bookmarks */ | ||
426 | tv_create_system_bookmark(); | ||
427 | |||
428 | if (!rb->file_exists(TV_SETTINGS_FILE)) | ||
429 | tv_convert_settings_file(); | ||
430 | |||
431 | /* create header for the temporary file */ | ||
432 | rb->memcpy(buf, TV_SETTINGS_HEADER, TV_SETTINGS_HEADER_SIZE - 1); | ||
433 | buf[TV_SETTINGS_HEADER_SIZE - 1] = TV_SETTINGS_VERSION; | ||
434 | |||
435 | if ((tfd = rb->open(TV_SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC, 0666)) < 0) | ||
436 | return false; | ||
437 | |||
438 | if (rb->write(tfd, buf, TV_SETTINGS_HEADER_SIZE + 2) < 0) | ||
439 | { | ||
440 | rb->close(tfd); | ||
441 | return false; | ||
442 | } | ||
443 | |||
444 | if ((ofd = rb->open(TV_SETTINGS_FILE, O_RDONLY)) >= 0) | ||
445 | { | ||
446 | res = ((rb->read(ofd, buf, TV_SETTINGS_HEADER_SIZE + 2) >= 0) && | ||
447 | (rb->memcmp(buf, TV_SETTINGS_HEADER, TV_SETTINGS_HEADER_SIZE - 1) == 0)); | ||
448 | |||
449 | if (res) | ||
450 | { | ||
451 | fcount = (buf[TV_SETTINGS_HEADER_SIZE] << 8) | buf[TV_SETTINGS_HEADER_SIZE + 1]; | ||
452 | for (i = 0; i < fcount; i++) | ||
453 | { | ||
454 | if (rb->read(ofd, buf, MAX_PATH + 2) < 0) | ||
455 | { | ||
456 | res = false; | ||
457 | break; | ||
458 | } | ||
459 | |||
460 | size = (buf[MAX_PATH] << 8) | buf[MAX_PATH + 1]; | ||
461 | if (rb->strcmp(buf, prefs->file_name) == 0) | ||
462 | rb->lseek(ofd, size, SEEK_CUR); | ||
463 | else | ||
464 | { | ||
465 | if ((rb->write(tfd, buf, MAX_PATH + 2) < 0) || | ||
466 | (!tv_copy_settings(ofd, tfd, size))) | ||
467 | { | ||
468 | res = false; | ||
469 | break; | ||
470 | } | ||
471 | } | ||
472 | } | ||
473 | } | ||
474 | rb->close(ofd); | ||
475 | } | ||
476 | |||
477 | if (res) | ||
478 | { | ||
479 | /* save to current read file's preferences and bookmarks */ | ||
480 | res = false; | ||
481 | rb->memset(buf, 0, MAX_PATH); | ||
482 | rb->strlcpy(buf, prefs->file_name, MAX_PATH); | ||
483 | |||
484 | if (rb->write(tfd, buf, MAX_PATH + 2) >= 0) | ||
485 | { | ||
486 | if (tv_write_preferences(tfd, prefs)) | ||
487 | { | ||
488 | size = tv_serialize_bookmarks(tfd); | ||
489 | if (size > 0) | ||
490 | { | ||
491 | size += TV_PREFERENCES_SIZE; | ||
492 | rb->lseek(tfd, -size - 2, SEEK_CUR); | ||
493 | buf[0] = size >> 8; | ||
494 | buf[1] = size; | ||
495 | if (rb->write(tfd, buf, 2) >= 0) | ||
496 | { | ||
497 | rb->lseek(tfd, TV_SETTINGS_HEADER_SIZE, SEEK_SET); | ||
498 | |||
499 | fcount++; | ||
500 | buf[0] = fcount >> 8; | ||
501 | buf[1] = fcount; | ||
502 | res = (rb->write(tfd, buf, 2) >= 0); | ||
503 | } | ||
504 | } | ||
505 | } | ||
506 | } | ||
507 | } | ||
508 | rb->close(tfd); | ||
509 | |||
510 | if (res) | ||
511 | { | ||
512 | rb->remove(TV_SETTINGS_FILE); | ||
513 | rb->rename(TV_SETTINGS_TMP_FILE, TV_SETTINGS_FILE); | ||
514 | } | ||
515 | else | ||
516 | rb->remove(TV_SETTINGS_TMP_FILE); | ||
517 | |||
518 | return res; | ||
519 | } | ||