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don't save xspf-playlist location, as it's not needed by vlc, and as mentioned
[vlc.git] / src / modules / cache.c
blobe4002f456e21c98f92fea318aefb0073f80de780
1 /*****************************************************************************
2 * cache.c: Plugins cache
3 *****************************************************************************
4 * Copyright (C) 2001-2007 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Sam Hocevar <sam@zoy.org>
8 * Ethan C. Baldridge <BaldridgeE@cadmus.com>
9 * Hans-Peter Jansen <hpj@urpla.net>
10 * Gildas Bazin <gbazin@videolan.org>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
26
27 #ifdef HAVE_CONFIG_H
28 # include "config.h"
29 #endif
30
31 #include <vlc_common.h>
32 #include "libvlc.h"
33
34 #include <stdlib.h> /* free(), strtol() */
35 #include <stdio.h> /* sprintf() */
36 #include <string.h> /* strdup() */
37 #include <vlc_plugin.h>
38
39 #ifdef HAVE_SYS_TYPES_H
40 # include <sys/types.h>
41 #endif
42 #ifdef HAVE_UNISTD_H
43 # include <unistd.h>
44 #endif
45
46 #if !defined(HAVE_DYNAMIC_PLUGINS)
47 /* no support for plugins */
48 #elif defined(HAVE_DL_DYLD)
49 # if defined(HAVE_MACH_O_DYLD_H)
50 # include <mach-o/dyld.h>
51 # endif
52 #elif defined(HAVE_DL_BEOS)
53 # if defined(HAVE_IMAGE_H)
54 # include <image.h>
55 # endif
56 #elif defined(HAVE_DL_WINDOWS)
57 # include <windows.h>
58 #elif defined(HAVE_DL_DLOPEN)
59 # if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
60 # include <dlfcn.h>
61 # endif
62 # if defined(HAVE_SYS_DL_H)
63 # include <sys/dl.h>
64 # endif
65 #elif defined(HAVE_DL_SHL_LOAD)
66 # if defined(HAVE_DL_H)
67 # include <dl.h>
68 # endif
69 #endif
70
71 #include "config/configuration.h"
72
73 #include "vlc_charset.h"
74
75 #include "modules/modules.h"
76
77
78 /*****************************************************************************
79 * Local prototypes
80 *****************************************************************************/
81 #ifdef HAVE_DYNAMIC_PLUGINS
82 static int CacheLoadConfig ( module_t *, FILE * );
83 static int CacheSaveConfig ( module_t *, FILE * );
84
85 /* Sub-version number
86 * (only used to avoid breakage in dev version when cache structure changes) */
87 #define CACHE_SUBVERSION_NUM 3
88
89 /* Format string for the cache filename */
90 #define CACHENAME_FORMAT \
91 "plugins-%.2zx%.2zx%.2"PRIx8".dat"
92 /* Magic for the cache filename */
93 #define CACHENAME_VALUES \
94 sizeof(int), sizeof(void *), *(uint8_t *)&(uint16_t){ 0xbe1e }
95
96
97 /*****************************************************************************
98 * LoadPluginsCache: loads the plugins cache file
99 *****************************************************************************
100 * This function will load the plugin cache if present and valid. This cache
101 * will in turn be queried by AllocateAllPlugins() to see if it needs to
102 * actually load the dynamically loadable module.
103 * This allows us to only fully load plugins when they are actually used.
104 *****************************************************************************/
105 void CacheLoad( vlc_object_t *p_this, module_bank_t *p_bank, bool b_delete )
106 {
107 char *psz_filename, *psz_cachedir = config_GetCacheDir();
108 FILE *file;
109 int i, j, i_size, i_read;
110 char p_cachestring[sizeof("cache " COPYRIGHT_MESSAGE)];
111 char p_cachelang[6], p_lang[6];
112 int i_cache;
113 module_cache_t **pp_cache = 0;
114 int32_t i_file_size, i_marker;
115
116 if( !psz_cachedir ) /* XXX: this should never happen */
117 {
118 msg_Err( p_this, "Unable to get cache directory" );
119 return;
120 }
121
122 if( asprintf( &psz_filename, "%s"DIR_SEP CACHENAME_FORMAT,
123 psz_cachedir, CACHENAME_VALUES ) == -1 )
124 {
125 free( psz_cachedir );
126 return;
127 }
128 free( psz_cachedir );
129
130 if( b_delete )
131 {
132 #if !defined( UNDER_CE )
133 unlink( psz_filename );
134 #else
135 wchar_t psz_wf[MAX_PATH];
136 MultiByteToWideChar( CP_ACP, 0, psz_filename, -1, psz_wf, MAX_PATH );
137 DeleteFile( psz_wf );
138 #endif
139 msg_Dbg( p_this, "removing plugins cache file %s", psz_filename );
140 free( psz_filename );
141 return;
142 }
143
144 msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );
145
146 file = utf8_fopen( psz_filename, "rb" );
147 if( !file )
148 {
149 msg_Warn( p_this, "could not open plugins cache file %s for reading",
150 psz_filename );
151 free( psz_filename );
152 return;
153 }
154 free( psz_filename );
155
156 /* Check the file size */
157 i_read = fread( &i_file_size, 1, sizeof(i_file_size), file );
158 if( i_read != sizeof(i_file_size) )
159 {
160 msg_Warn( p_this, "This doesn't look like a valid plugins cache "
161 "(too short)" );
162 fclose( file );
163 return;
164 }
165
166 fseek( file, 0, SEEK_END );
167 if( ftell( file ) != i_file_size )
168 {
169 msg_Warn( p_this, "This doesn't look like a valid plugins cache "
170 "(corrupted size)" );
171 fclose( file );
172 return;
173 }
174 fseek( file, sizeof(i_file_size), SEEK_SET );
175
176 /* Check the file is a plugins cache */
177 i_size = sizeof("cache " COPYRIGHT_MESSAGE) - 1;
178 i_read = fread( p_cachestring, 1, i_size, file );
179 if( i_read != i_size ||
180 memcmp( p_cachestring, "cache " COPYRIGHT_MESSAGE, i_size ) )
181 {
182 msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
183 fclose( file );
184 return;
185 }
186
187 #ifdef DISTRO_VERSION
188 /* Check for distribution specific version */
189 char p_distrostring[sizeof( DISTRO_VERSION )];
190 i_size = sizeof( DISTRO_VERSION ) - 1;
191 i_read = fread( p_distrostring, 1, i_size, file );
192 if( i_read != i_size ||
193 memcmp( p_distrostring, DISTRO_VERSION, i_size ) )
194 {
195 msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
196 fclose( file );
197 return;
198 }
199 #endif
200
201 /* Check Sub-version number */
202 i_read = fread( &i_marker, 1, sizeof(i_marker), file );
203 if( i_read != sizeof(i_marker) || i_marker != CACHE_SUBVERSION_NUM )
204 {
205 msg_Warn( p_this, "This doesn't look like a valid plugins cache "
206 "(corrupted header)" );
207 fclose( file );
208 return;
209 }
210
211 /* Check the language hasn't changed */
212 sprintf( p_lang, "%5.5s", _("C") ); i_size = 5;
213 i_read = fread( p_cachelang, 1, i_size, file );
214 if( i_read != i_size || memcmp( p_cachelang, p_lang, i_size ) )
215 {
216 msg_Warn( p_this, "This doesn't look like a valid plugins cache "
217 "(language changed)" );
218 fclose( file );
219 return;
220 }
221
222 /* Check header marker */
223 i_read = fread( &i_marker, 1, sizeof(i_marker), file );
224 if( i_read != sizeof(i_marker) ||
225 i_marker != ftell( file ) - (int)sizeof(i_marker) )
226 {
227 msg_Warn( p_this, "This doesn't look like a valid plugins cache "
228 "(corrupted header)" );
229 fclose( file );
230 return;
231 }
232
233 p_bank->i_loaded_cache = 0;
234 if (fread( &i_cache, 1, sizeof(i_cache), file ) != sizeof(i_cache) )
235 {
236 msg_Warn( p_this, "This doesn't look like a valid plugins cache "
237 "(file too short)" );
238 fclose( file );
239 return;
240 }
241
242 if( i_cache )
243 pp_cache = p_bank->pp_loaded_cache =
244 malloc( i_cache * sizeof(void *) );
245
246 #define LOAD_IMMEDIATE(a) \
247 if( fread( (void *)&a, sizeof(char), sizeof(a), file ) != sizeof(a) ) goto error
248 #define LOAD_STRING(a) \
249 { \
250 a = NULL; \
251 if( ( fread( &i_size, sizeof(i_size), 1, file ) != 1 ) \
252 || ( i_size > 16384 ) ) \
253 goto error; \
254 if( i_size ) { \
255 char *psz = malloc( i_size ); \
256 if( fread( psz, i_size, 1, file ) != 1 ) { \
257 free( psz ); \
258 goto error; \
259 } \
260 if( psz[i_size-1] ) { \
261 free( psz ); \
262 goto error; \
263 } \
264 a = psz; \
265 } \
266 }
267
268 for( i = 0; i < i_cache; i++ )
269 {
270 uint16_t i_size;
271 int i_submodules;
272
273 pp_cache[i] = malloc( sizeof(module_cache_t) );
274 p_bank->i_loaded_cache++;
275
276 /* Load common info */
277 LOAD_STRING( pp_cache[i]->psz_file );
278 LOAD_IMMEDIATE( pp_cache[i]->i_time );
279 LOAD_IMMEDIATE( pp_cache[i]->i_size );
280 LOAD_IMMEDIATE( pp_cache[i]->b_junk );
281 pp_cache[i]->b_used = false;
282
283 if( pp_cache[i]->b_junk ) continue;
284
285 pp_cache[i]->p_module = vlc_module_create( p_this );
286
287 /* Load additional infos */
288 free( pp_cache[i]->p_module->psz_object_name );
289 LOAD_STRING( pp_cache[i]->p_module->psz_object_name );
290 LOAD_STRING( pp_cache[i]->p_module->psz_shortname );
291 LOAD_STRING( pp_cache[i]->p_module->psz_longname );
292 LOAD_STRING( pp_cache[i]->p_module->psz_help );
293 for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
294 {
295 LOAD_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
296 }
297 LOAD_STRING( pp_cache[i]->p_module->psz_capability );
298 LOAD_IMMEDIATE( pp_cache[i]->p_module->i_score );
299 LOAD_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
300 LOAD_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
301 LOAD_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
302 LOAD_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
303
304 /* Config stuff */
305 if( CacheLoadConfig( pp_cache[i]->p_module, file ) != VLC_SUCCESS )
306 goto error;
307
308 LOAD_STRING( pp_cache[i]->p_module->psz_filename );
309
310 LOAD_IMMEDIATE( i_submodules );
311
312 while( i_submodules-- )
313 {
314 module_t *p_module = vlc_submodule_create( pp_cache[i]->p_module );
315 free( p_module->psz_object_name );
316 LOAD_STRING( p_module->psz_object_name );
317 LOAD_STRING( p_module->psz_shortname );
318 LOAD_STRING( p_module->psz_longname );
319 LOAD_STRING( p_module->psz_help );
320 for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
321 {
322 LOAD_STRING( p_module->pp_shortcuts[j] ); // FIX
323 }
324 LOAD_STRING( p_module->psz_capability );
325 LOAD_IMMEDIATE( p_module->i_score );
326 LOAD_IMMEDIATE( p_module->i_cpu );
327 LOAD_IMMEDIATE( p_module->b_unloadable );
328 LOAD_IMMEDIATE( p_module->b_reentrant );
329 }
330 }
331
332 fclose( file );
333 return;
334
335 error:
336
337 msg_Warn( p_this, "plugins cache not loaded (corrupted)" );
338
339 /* TODO: cleanup */
340 p_bank->i_loaded_cache = 0;
341
342 fclose( file );
343 return;
344 }
345
346
347 static int CacheLoadConfig( module_t *p_module, FILE *file )
348 {
349 uint32_t i_lines;
350 uint16_t i_size;
351
352 /* Calculate the structure length */
353 LOAD_IMMEDIATE( p_module->i_config_items );
354 LOAD_IMMEDIATE( p_module->i_bool_items );
355
356 LOAD_IMMEDIATE( i_lines );
357
358 /* Allocate memory */
359 if (i_lines)
360 {
361 p_module->p_config =
362 (module_config_t *)calloc( i_lines, sizeof(module_config_t) );
363 if( p_module->p_config == NULL )
364 {
365 p_module->confsize = 0;
366 return VLC_ENOMEM;
367 }
368 }
369 p_module->confsize = i_lines;
370
371 /* Do the duplication job */
372 for (size_t i = 0; i < i_lines; i++ )
373 {
374 LOAD_IMMEDIATE( p_module->p_config[i] );
375
376 LOAD_STRING( p_module->p_config[i].psz_type );
377 LOAD_STRING( p_module->p_config[i].psz_name );
378 LOAD_STRING( p_module->p_config[i].psz_text );
379 LOAD_STRING( p_module->p_config[i].psz_longtext );
380 LOAD_STRING( p_module->p_config[i].psz_oldname );
381 LOAD_IMMEDIATE( p_module->p_config[i].b_removed );
382
383 if (IsConfigStringType (p_module->p_config[i].i_type))
384 {
385 LOAD_STRING (p_module->p_config[i].orig.psz);
386 p_module->p_config[i].value.psz =
387 (p_module->p_config[i].orig.psz != NULL)
388 ? strdup (p_module->p_config[i].orig.psz) : NULL;
389 p_module->p_config[i].saved.psz = NULL;
390 }
391 else
392 {
393 memcpy (&p_module->p_config[i].value, &p_module->p_config[i].orig,
394 sizeof (p_module->p_config[i].value));
395 memcpy (&p_module->p_config[i].saved, &p_module->p_config[i].orig,
396 sizeof (p_module->p_config[i].saved));
397 }
398
399 p_module->p_config[i].b_dirty = false;
400
401 p_module->p_config[i].p_lock = &p_module->lock;
402
403 if( p_module->p_config[i].i_list )
404 {
405 if( p_module->p_config[i].ppsz_list )
406 {
407 int j;
408 p_module->p_config[i].ppsz_list =
409 malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
410 if( p_module->p_config[i].ppsz_list )
411 {
412 for( j = 0; j < p_module->p_config[i].i_list; j++ )
413 LOAD_STRING( p_module->p_config[i].ppsz_list[j] );
414 p_module->p_config[i].ppsz_list[j] = NULL;
415 }
416 }
417 if( p_module->p_config[i].ppsz_list_text )
418 {
419 int j;
420 p_module->p_config[i].ppsz_list_text =
421 malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
422 if( p_module->p_config[i].ppsz_list_text )
423 {
424 for( j = 0; j < p_module->p_config[i].i_list; j++ )
425 LOAD_STRING( p_module->p_config[i].ppsz_list_text[j] );
426 p_module->p_config[i].ppsz_list_text[j] = NULL;
427 }
428 }
429 if( p_module->p_config[i].pi_list )
430 {
431 p_module->p_config[i].pi_list =
432 malloc( (p_module->p_config[i].i_list + 1) * sizeof(int) );
433 if( p_module->p_config[i].pi_list )
434 {
435 for (int j = 0; j < p_module->p_config[i].i_list; j++)
436 LOAD_IMMEDIATE( p_module->p_config[i].pi_list[j] );
437 }
438 }
439 }
440
441 if( p_module->p_config[i].i_action )
442 {
443 p_module->p_config[i].ppf_action =
444 malloc( p_module->p_config[i].i_action * sizeof(void *) );
445 p_module->p_config[i].ppsz_action_text =
446 malloc( p_module->p_config[i].i_action * sizeof(char *) );
447
448 for (int j = 0; j < p_module->p_config[i].i_action; j++)
449 {
450 p_module->p_config[i].ppf_action[j] = 0;
451 LOAD_STRING( p_module->p_config[i].ppsz_action_text[j] );
452 }
453 }
454
455 LOAD_IMMEDIATE( p_module->p_config[i].pf_callback );
456 }
457
458 return VLC_SUCCESS;
459
460 error:
461
462 return VLC_EGENERIC;
463 }
464
465 static int CacheSaveSubmodule( FILE *file, module_t *p_module );
466
467 /*****************************************************************************
468 * SavePluginsCache: saves the plugins cache to a file
469 *****************************************************************************/
470 void CacheSave( vlc_object_t *p_this, module_bank_t *p_bank )
471 {
472 static char const psz_tag[] =
473 "Signature: 8a477f597d28d172789f06886806bc55\r\n"
474 "# This file is a cache directory tag created by VLC.\r\n"
475 "# For information about cache directory tags, see:\r\n"
476 "# http://www.brynosaurus.com/cachedir/\r\n";
477
478 char *psz_cachedir = config_GetCacheDir();
479 FILE *file;
480 int i, j, i_cache;
481 module_cache_t **pp_cache;
482 uint32_t i_file_size = 0;
483
484 if( !psz_cachedir ) /* XXX: this should never happen */
485 {
486 msg_Err( p_this, "unable to get cache directory" );
487 return;
488 }
489
490 char psz_filename[sizeof(DIR_SEP) + 32 + strlen(psz_cachedir)];
491 config_CreateDir( p_this, psz_cachedir );
492
493 snprintf( psz_filename, sizeof( psz_filename ),
494 "%s"DIR_SEP"CACHEDIR.TAG", psz_cachedir );
495 file = utf8_fopen( psz_filename, "wb" );
496 if (file != NULL)
497 {
498 if (fwrite (psz_tag, 1, sizeof (psz_tag) - 1, file) != 1)
499 clearerr (file); /* what else can we do? */
500 fclose( file );
501 }
502
503 snprintf( psz_filename, sizeof( psz_filename ),
504 "%s"DIR_SEP CACHENAME_FORMAT, psz_cachedir,
505 CACHENAME_VALUES );
506 free( psz_cachedir );
507 msg_Dbg( p_this, "writing plugins cache %s", psz_filename );
508
509 file = utf8_fopen( psz_filename, "wb" );
510 if (file == NULL)
511 goto error;
512
513 /* Empty space for file size */
514 if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
515 goto error;
516
517 /* Contains version number */
518 if (fputs ("cache "COPYRIGHT_MESSAGE, file) == EOF)
519 goto error;
520 #ifdef DISTRO_VERSION
521 /* Allow binary maintaner to pass a string to detect new binary version*/
522 if (fputs( DISTRO_VERSION, file ) == EOF)
523 goto error;
524 #endif
525 /* Sub-version number (to avoid breakage in the dev version when cache
526 * structure changes) */
527 i_file_size = CACHE_SUBVERSION_NUM;
528 if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1 )
529 goto error;
530
531 /* Language */
532 if (fprintf (file, "%5.5s", _("C")) == EOF)
533 goto error;
534
535 /* Header marker */
536 i_file_size = ftell( file );
537 if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
538 goto error;
539
540 i_cache = p_bank->i_cache;
541 pp_cache = p_bank->pp_cache;
542
543 if (fwrite( &i_cache, sizeof (i_cache), 1, file) != 1)
544 goto error;
545
546 #define SAVE_IMMEDIATE( a ) \
547 if (fwrite (&a, sizeof(a), 1, file) != 1) \
548 goto error
549 #define SAVE_STRING( a ) \
550 { \
551 uint16_t i_size = (a != NULL) ? (strlen (a) + 1) : 0; \
552 if ((fwrite (&i_size, sizeof (i_size), 1, file) != 1) \
553 || (a && (fwrite (a, 1, i_size, file) != i_size))) \
554 goto error; \
555 } while(0)
556
557 for( i = 0; i < i_cache; i++ )
558 {
559 uint32_t i_submodule;
560
561 /* Save common info */
562 SAVE_STRING( pp_cache[i]->psz_file );
563 SAVE_IMMEDIATE( pp_cache[i]->i_time );
564 SAVE_IMMEDIATE( pp_cache[i]->i_size );
565 SAVE_IMMEDIATE( pp_cache[i]->b_junk );
566
567 if( pp_cache[i]->b_junk ) continue;
568
569 /* Save additional infos */
570 SAVE_STRING( pp_cache[i]->p_module->psz_object_name );
571 SAVE_STRING( pp_cache[i]->p_module->psz_shortname );
572 SAVE_STRING( pp_cache[i]->p_module->psz_longname );
573 SAVE_STRING( pp_cache[i]->p_module->psz_help );
574 for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
575 {
576 SAVE_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
577 }
578 SAVE_STRING( pp_cache[i]->p_module->psz_capability );
579 SAVE_IMMEDIATE( pp_cache[i]->p_module->i_score );
580 SAVE_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
581 SAVE_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
582 SAVE_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
583 SAVE_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
584
585 /* Config stuff */
586 if (CacheSaveConfig (pp_cache[i]->p_module, file))
587 goto error;
588
589 SAVE_STRING( pp_cache[i]->p_module->psz_filename );
590
591 i_submodule = pp_cache[i]->p_module->submodule_count;
592 SAVE_IMMEDIATE( i_submodule );
593 if( CacheSaveSubmodule( file, pp_cache[i]->p_module->submodule ) )
594 goto error;
595 }
596
597 /* Fill-up file size */
598 i_file_size = ftell( file );
599 fseek( file, 0, SEEK_SET );
600 if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
601 goto error;
602
603 if (fclose (file) == 0)
604 return; /* success! */
605
606 file = NULL;
607 error:
608 msg_Warn (p_this, "could not write plugins cache %s (%m)",
609 psz_filename);
610 if (file != NULL)
611 {
612 clearerr (file);
613 fclose (file);
614 }
615 }
616
617 static int CacheSaveSubmodule( FILE *file, module_t *p_module )
618 {
619 if( !p_module )
620 return 0;
621 if( CacheSaveSubmodule( file, p_module->next ) )
622 goto error;
623
624 SAVE_STRING( p_module->psz_object_name );
625 SAVE_STRING( p_module->psz_shortname );
626 SAVE_STRING( p_module->psz_longname );
627 SAVE_STRING( p_module->psz_help );
628 for( unsigned j = 0; j < MODULE_SHORTCUT_MAX; j++ )
629 SAVE_STRING( p_module->pp_shortcuts[j] ); // FIXME
630
631 SAVE_STRING( p_module->psz_capability );
632 SAVE_IMMEDIATE( p_module->i_score );
633 SAVE_IMMEDIATE( p_module->i_cpu );
634 SAVE_IMMEDIATE( p_module->b_unloadable );
635 SAVE_IMMEDIATE( p_module->b_reentrant );
636 return 0;
637
638 error:
639 return -1;
640 }
641
642
643 static int CacheSaveConfig( module_t *p_module, FILE *file )
644 {
645 uint32_t i_lines = p_module->confsize;
646
647 SAVE_IMMEDIATE( p_module->i_config_items );
648 SAVE_IMMEDIATE( p_module->i_bool_items );
649 SAVE_IMMEDIATE( i_lines );
650
651 for (size_t i = 0; i < i_lines ; i++)
652 {
653 SAVE_IMMEDIATE( p_module->p_config[i] );
654
655 SAVE_STRING( p_module->p_config[i].psz_type );
656 SAVE_STRING( p_module->p_config[i].psz_name );
657 SAVE_STRING( p_module->p_config[i].psz_text );
658 SAVE_STRING( p_module->p_config[i].psz_longtext );
659 SAVE_STRING( p_module->p_config[i].psz_oldname );
660 SAVE_IMMEDIATE( p_module->p_config[i].b_removed );
661
662 if (IsConfigStringType (p_module->p_config[i].i_type))
663 SAVE_STRING( p_module->p_config[i].orig.psz );
664
665 if( p_module->p_config[i].i_list )
666 {
667 if( p_module->p_config[i].ppsz_list )
668 {
669 for (int j = 0; j < p_module->p_config[i].i_list; j++)
670 SAVE_STRING( p_module->p_config[i].ppsz_list[j] );
671 }
672
673 if( p_module->p_config[i].ppsz_list_text )
674 {
675 for (int j = 0; j < p_module->p_config[i].i_list; j++)
676 SAVE_STRING( p_module->p_config[i].ppsz_list_text[j] );
677 }
678 if( p_module->p_config[i].pi_list )
679 {
680 for (int j = 0; j < p_module->p_config[i].i_list; j++)
681 SAVE_IMMEDIATE( p_module->p_config[i].pi_list[j] );
682 }
683 }
684
685 for (int j = 0; j < p_module->p_config[i].i_action; j++)
686 SAVE_STRING( p_module->p_config[i].ppsz_action_text[j] );
687
688 SAVE_IMMEDIATE( p_module->p_config[i].pf_callback );
689 }
690 return 0;
691
692 error:
693 return -1;
694 }
695
696 /*****************************************************************************
697 * CacheMerge: Merge a cache module descriptor with a full module descriptor.
698 *****************************************************************************/
699 void CacheMerge( vlc_object_t *p_this, module_t *p_cache, module_t *p_module )
700 {
701 (void)p_this;
702
703 p_cache->pf_activate = p_module->pf_activate;
704 p_cache->pf_deactivate = p_module->pf_deactivate;
705 p_cache->handle = p_module->handle;
706
707 /* FIXME: This looks too simplistic an algorithm to me. What if the module
708 * file was altered such that the number of order of submodules was
709 * altered... after VLC started -- Courmisch, 09/2008 */
710 module_t *p_child = p_module->submodule,
711 *p_cchild = p_cache->submodule;
712 while( p_child && p_cchild )
713 {
714 p_cchild->pf_activate = p_child->pf_activate;
715 p_cchild->pf_deactivate = p_child->pf_deactivate;
716 p_child = p_child->next;
717 p_cchild = p_cchild->next;
718 }
719
720 p_cache->b_loaded = true;
721 p_module->b_loaded = false;
722 }
723
724 /*****************************************************************************
725 * CacheFind: finds the cache entry corresponding to a file
726 *****************************************************************************/
727 module_cache_t *CacheFind( module_bank_t *p_bank, const char *psz_file,
728 int64_t i_time, int64_t i_size )
729 {
730 module_cache_t **pp_cache;
731 int i_cache, i;
732
733 pp_cache = p_bank->pp_loaded_cache;
734 i_cache = p_bank->i_loaded_cache;
735
736 for( i = 0; i < i_cache; i++ )
737 {
738 if( !strcmp( pp_cache[i]->psz_file, psz_file ) &&
739 pp_cache[i]->i_time == i_time &&
740 pp_cache[i]->i_size == i_size ) return pp_cache[i];
741 }
742
743 return NULL;
744 }
745
746 #endif /* HAVE_DYNAMIC_PLUGINS */
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