cache.c 23.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
/*****************************************************************************
 * cache.c: Plugins cache
 *****************************************************************************
 * Copyright (C) 2001-2007 the VideoLAN team
 * $Id$
 *
 * Authors: Sam Hocevar <sam@zoy.org>
 *          Ethan C. Baldridge <BaldridgeE@cadmus.com>
 *          Hans-Peter Jansen <hpj@urpla.net>
 *          Gildas Bazin <gbazin@videolan.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#include <vlc/vlc.h>
#include "libvlc.h"

#include <stdlib.h>                                      /* free(), strtol() */
#include <stdio.h>                                              /* sprintf() */
#include <string.h>                                              /* strdup() */

#ifdef HAVE_SYS_TYPES_H
#   include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#   include <unistd.h>
#endif

#if !defined(HAVE_DYNAMIC_PLUGINS)
    /* no support for plugins */
#elif defined(HAVE_DL_DYLD)
#   if defined(HAVE_MACH_O_DYLD_H)
#       include <mach-o/dyld.h>
#   endif
#elif defined(HAVE_DL_BEOS)
#   if defined(HAVE_IMAGE_H)
#       include <image.h>
#   endif
#elif defined(HAVE_DL_WINDOWS)
#   include <windows.h>
#elif defined(HAVE_DL_DLOPEN)
#   if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
#       include <dlfcn.h>
#   endif
#   if defined(HAVE_SYS_DL_H)
#       include <sys/dl.h>
#   endif
#elif defined(HAVE_DL_SHL_LOAD)
#   if defined(HAVE_DL_H)
#       include <dl.h>
#   endif
#endif

#include "config/config.h"

#include "vlc_charset.h"

#include "modules/modules.h"


/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
#ifdef HAVE_DYNAMIC_PLUGINS
static int    CacheLoadConfig  ( module_t *, FILE * );
78
static int    CacheSaveConfig  ( module_t *, FILE * );
79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354
static char * CacheName        ( void );

/* Sub-version number
 * (only used to avoid breakage in dev version when cache structure changes) */
#define CACHE_SUBVERSION_NUM 3

/*****************************************************************************
 * LoadPluginsCache: loads the plugins cache file
 *****************************************************************************
 * This function will load the plugin cache if present and valid. This cache
 * will in turn be queried by AllocateAllPlugins() to see if it needs to
 * actually load the dynamically loadable module.
 * This allows us to only fully load plugins when they are actually used.
 *****************************************************************************/
void CacheLoad( vlc_object_t *p_this )
{
    char *psz_filename, *psz_cachedir;
    FILE *file;
    int i, j, i_size, i_read;
    char p_cachestring[sizeof("cache " COPYRIGHT_MESSAGE)];
    char p_cachelang[6], p_lang[6];
    int i_cache;
    module_cache_t **pp_cache = 0;
    int32_t i_file_size, i_marker;
    libvlc_global_data_t *p_libvlc_global = vlc_global();

    psz_cachedir = p_this->p_libvlc->psz_cachedir;
    if( !psz_cachedir ) /* XXX: this should never happen */
    {
        msg_Err( p_this, "Unable to get cache directory" );
        return;
    }

    i_size = asprintf( &psz_filename, "%s"DIR_SEP"%s",
                       psz_cachedir, CacheName() );
    if( i_size <= 0 )
    {
        msg_Err( p_this, "out of memory" );
        return;
    }

    if( p_libvlc_global->p_module_bank->b_cache_delete )
    {
#if !defined( UNDER_CE )
        unlink( psz_filename );
#else
        wchar_t psz_wf[MAX_PATH];
        MultiByteToWideChar( CP_ACP, 0, psz_filename, -1, psz_wf, MAX_PATH );
        DeleteFile( psz_wf );
#endif
        msg_Dbg( p_this, "removing plugins cache file %s", psz_filename );
        free( psz_filename );
        return;
    }

    msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );

    file = utf8_fopen( psz_filename, "rb" );
    if( !file )
    {
        msg_Warn( p_this, "could not open plugins cache file %s for reading",
                  psz_filename );
        free( psz_filename );
        return;
    }
    free( psz_filename );

    /* Check the file size */
    i_read = fread( &i_file_size, 1, sizeof(i_file_size), file );
    if( i_read != sizeof(i_file_size) )
    {
        msg_Warn( p_this, "This doesn't look like a valid plugins cache "
                  "(too short)" );
        fclose( file );
        return;
    }

    fseek( file, 0, SEEK_END );
    if( ftell( file ) != i_file_size )
    {
        msg_Warn( p_this, "This doesn't look like a valid plugins cache "
                  "(corrupted size)" );
        fclose( file );
        return;
    }
    fseek( file, sizeof(i_file_size), SEEK_SET );

    /* Check the file is a plugins cache */
    i_size = sizeof("cache " COPYRIGHT_MESSAGE) - 1;
    i_read = fread( p_cachestring, 1, i_size, file );
    if( i_read != i_size ||
        memcmp( p_cachestring, "cache " COPYRIGHT_MESSAGE, i_size ) )
    {
        msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
        fclose( file );
        return;
    }

    /* Check Sub-version number */
    i_read = fread( &i_marker, 1, sizeof(i_marker), file );
    if( i_read != sizeof(i_marker) || i_marker != CACHE_SUBVERSION_NUM )
    {
        msg_Warn( p_this, "This doesn't look like a valid plugins cache "
                  "(corrupted header)" );
        fclose( file );
        return;
    }

    /* Check the language hasn't changed */
    sprintf( p_lang, "%5.5s", _("C") ); i_size = 5;
    i_read = fread( p_cachelang, 1, i_size, file );
    if( i_read != i_size || memcmp( p_cachelang, p_lang, i_size ) )
    {
        msg_Warn( p_this, "This doesn't look like a valid plugins cache "
                  "(language changed)" );
        fclose( file );
        return;
    }

    /* Check header marker */
    i_read = fread( &i_marker, 1, sizeof(i_marker), file );
    if( i_read != sizeof(i_marker) ||
        i_marker != ftell( file ) - (int)sizeof(i_marker) )
    {
        msg_Warn( p_this, "This doesn't look like a valid plugins cache "
                  "(corrupted header)" );
        fclose( file );
        return;
    }

    p_libvlc_global->p_module_bank->i_loaded_cache = 0;
    if (fread( &i_cache, 1, sizeof(i_cache), file ) != sizeof(i_cache) )
    {
        msg_Warn( p_this, "This doesn't look like a valid plugins cache "
                  "(file too short)" );
        fclose( file );
        return;
    }

    if( i_cache )
        pp_cache = p_libvlc_global->p_module_bank->pp_loaded_cache =
                   malloc( i_cache * sizeof(void *) );

#define LOAD_IMMEDIATE(a) \
    if( fread( (void *)&a, sizeof(char), sizeof(a), file ) != sizeof(a) ) goto error
#define LOAD_STRING(a) \
{ \
    a = NULL; \
    if( ( fread( &i_size, sizeof(i_size), 1, file ) != 1 ) \
     || ( i_size > 16384 ) ) \
        goto error; \
    if( i_size ) { \
        char *psz = malloc( i_size ); \
        if( fread( psz, i_size, 1, file ) != 1 ) { \
            free( psz ); \
            goto error; \
        } \
        if( psz[i_size-1] ) { \
            free( psz ); \
            goto error; \
        } \
        a = psz; \
    } \
}

    for( i = 0; i < i_cache; i++ )
    {
        uint16_t i_size;
        int i_submodules;

        pp_cache[i] = malloc( sizeof(module_cache_t) );
        p_libvlc_global->p_module_bank->i_loaded_cache++;

        /* Load common info */
        LOAD_STRING( pp_cache[i]->psz_file );
        LOAD_IMMEDIATE( pp_cache[i]->i_time );
        LOAD_IMMEDIATE( pp_cache[i]->i_size );
        LOAD_IMMEDIATE( pp_cache[i]->b_junk );
        pp_cache[i]->b_used = VLC_FALSE;

        if( pp_cache[i]->b_junk ) continue;

        pp_cache[i]->p_module = vlc_module_create( p_this );

        /* Load additional infos */
        LOAD_STRING( pp_cache[i]->p_module->psz_object_name );
        LOAD_STRING( pp_cache[i]->p_module->psz_shortname );
        LOAD_STRING( pp_cache[i]->p_module->psz_longname );
        LOAD_STRING( pp_cache[i]->p_module->psz_help );
        for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
        {
            LOAD_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
        }
        LOAD_STRING( pp_cache[i]->p_module->psz_capability );
        LOAD_IMMEDIATE( pp_cache[i]->p_module->i_score );
        LOAD_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
        LOAD_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
        LOAD_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
        LOAD_IMMEDIATE( pp_cache[i]->p_module->b_submodule );

        /* Config stuff */
        if( CacheLoadConfig( pp_cache[i]->p_module, file ) != VLC_SUCCESS )
            goto error;

        LOAD_STRING( pp_cache[i]->p_module->psz_filename );

        LOAD_IMMEDIATE( i_submodules );

        while( i_submodules-- )
        {
            module_t *p_module = vlc_submodule_create( pp_cache[i]->p_module );
            LOAD_STRING( p_module->psz_object_name );
            LOAD_STRING( p_module->psz_shortname );
            LOAD_STRING( p_module->psz_longname );
            LOAD_STRING( p_module->psz_help );
            for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
            {
                LOAD_STRING( p_module->pp_shortcuts[j] ); // FIX
            }
            LOAD_STRING( p_module->psz_capability );
            LOAD_IMMEDIATE( p_module->i_score );
            LOAD_IMMEDIATE( p_module->i_cpu );
            LOAD_IMMEDIATE( p_module->b_unloadable );
            LOAD_IMMEDIATE( p_module->b_reentrant );
        }
    }

    fclose( file );
    return;

 error:

    msg_Warn( p_this, "plugins cache not loaded (corrupted)" );

    /* TODO: cleanup */
    p_libvlc_global->p_module_bank->i_loaded_cache = 0;

    fclose( file );
    return;
}


static int CacheLoadConfig( module_t *p_module, FILE *file )
{
    uint32_t i_lines;
    uint16_t i_size;

    /* Calculate the structure length */
    LOAD_IMMEDIATE( p_module->i_config_items );
    LOAD_IMMEDIATE( p_module->i_bool_items );

    LOAD_IMMEDIATE( i_lines );

    /* Allocate memory */
    if (i_lines)
    {
        p_module->p_config =
            (module_config_t *)calloc( i_lines, sizeof(module_config_t) );
        if( p_module->p_config == NULL )
        {
            p_module->confsize = 0;
            msg_Err( p_module, "config error: can't duplicate p_config" );
            return VLC_ENOMEM;
        }
    }
    p_module->confsize = i_lines;

    /* Do the duplication job */
    for (size_t i = 0; i < i_lines; i++ )
    {
        LOAD_IMMEDIATE( p_module->p_config[i] );

        LOAD_STRING( p_module->p_config[i].psz_type );
        LOAD_STRING( p_module->p_config[i].psz_name );
        LOAD_STRING( p_module->p_config[i].psz_text );
        LOAD_STRING( p_module->p_config[i].psz_longtext );
355 356
        LOAD_STRING( p_module->p_config[i].psz_oldname );
        LOAD_IMMEDIATE( p_module->p_config[i].b_removed );
357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454

        if (IsConfigStringType (p_module->p_config[i].i_type))
        {
            LOAD_STRING (p_module->p_config[i].orig.psz);
            p_module->p_config[i].value.psz =
                    (p_module->p_config[i].orig.psz != NULL)
                        ? strdup (p_module->p_config[i].orig.psz) : NULL;
            p_module->p_config[i].saved.psz = NULL;
        }
        else
        {
            memcpy (&p_module->p_config[i].value, &p_module->p_config[i].orig,
                    sizeof (p_module->p_config[i].value));
            memcpy (&p_module->p_config[i].saved, &p_module->p_config[i].orig,
                    sizeof (p_module->p_config[i].saved));
        }

        p_module->p_config[i].b_dirty = VLC_FALSE;

        p_module->p_config[i].p_lock = &p_module->object_lock;

        if( p_module->p_config[i].i_list )
        {
            if( p_module->p_config[i].ppsz_list )
            {
                int j;
                p_module->p_config[i].ppsz_list =
                    malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
                if( p_module->p_config[i].ppsz_list )
                {
                    for( j = 0; j < p_module->p_config[i].i_list; j++ )
                        LOAD_STRING( p_module->p_config[i].ppsz_list[j] );
                    p_module->p_config[i].ppsz_list[j] = NULL;
                }
            }
            if( p_module->p_config[i].ppsz_list_text )
            {
                int j;
                p_module->p_config[i].ppsz_list_text =
                    malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
                if( p_module->p_config[i].ppsz_list_text )
                {
                  for( j = 0; j < p_module->p_config[i].i_list; j++ )
                      LOAD_STRING( p_module->p_config[i].ppsz_list_text[j] );
                  p_module->p_config[i].ppsz_list_text[j] = NULL;
                }
            }
            if( p_module->p_config[i].pi_list )
            {
                p_module->p_config[i].pi_list =
                    malloc( (p_module->p_config[i].i_list + 1) * sizeof(int) );
                if( p_module->p_config[i].pi_list )
                {
                    for (int j = 0; j < p_module->p_config[i].i_list; j++)
                        LOAD_IMMEDIATE( p_module->p_config[i].pi_list[j] );
                }
            }
        }

        if( p_module->p_config[i].i_action )
        {
            p_module->p_config[i].ppf_action =
                malloc( p_module->p_config[i].i_action * sizeof(void *) );
            p_module->p_config[i].ppsz_action_text =
                malloc( p_module->p_config[i].i_action * sizeof(char *) );

            for (int j = 0; j < p_module->p_config[i].i_action; j++)
            {
                p_module->p_config[i].ppf_action[j] = 0;
                LOAD_STRING( p_module->p_config[i].ppsz_action_text[j] );
            }
        }

        LOAD_IMMEDIATE( p_module->p_config[i].pf_callback );
    }

    return VLC_SUCCESS;

 error:

    return VLC_EGENERIC;
}

/*****************************************************************************
 * SavePluginsCache: saves the plugins cache to a file
 *****************************************************************************/
void CacheSave( vlc_object_t *p_this )
{
    static char const psz_tag[] =
        "Signature: 8a477f597d28d172789f06886806bc55\r\n"
        "# This file is a cache directory tag created by VLC.\r\n"
        "# For information about cache directory tags, see:\r\n"
        "#   http://www.brynosaurus.com/cachedir/\r\n";

    char *psz_cachedir;
    FILE *file;
    int i, j, i_cache;
    module_cache_t **pp_cache;
455
    uint32_t i_file_size = 0;
456 457 458 459 460
    libvlc_global_data_t *p_libvlc_global = vlc_global();

    psz_cachedir = p_this->p_libvlc->psz_cachedir;
    if( !psz_cachedir ) /* XXX: this should never happen */
    {
461
        msg_Err( p_this, "unable to get cache directory" );
462 463 464 465 466 467 468 469 470
        return;
    }

    char psz_filename[sizeof(DIR_SEP) + 32 + strlen(psz_cachedir)];
    config_CreateDir( p_this, psz_cachedir );

    snprintf( psz_filename, sizeof( psz_filename ),
              "%s"DIR_SEP"CACHEDIR.TAG", psz_cachedir );
    file = utf8_fopen( psz_filename, "wb" );
471
    if (file != NULL)
472
    {
473 474
        if (fwrite (psz_tag, 1, sizeof (psz_tag) - 1, file) != 1)
            clearerr (file); /* what else can we do? */
475 476 477 478 479
        fclose( file );
    }

    snprintf( psz_filename, sizeof( psz_filename ),
              "%s"DIR_SEP"%s", psz_cachedir, CacheName() );
480
    msg_Dbg( p_this, "writing plugins cache %s", psz_filename );
481 482

    file = utf8_fopen( psz_filename, "wb" );
483 484
    if (file == NULL)
        goto error;
485 486

    /* Empty space for file size */
487 488
    if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
        goto error;
489 490

    /* Contains version number */
491 492
    if (fputs ("cache "COPYRIGHT_MESSAGE, file) == EOF)
        goto error;
493 494 495 496

    /* Sub-version number (to avoid breakage in the dev version when cache
     * structure changes) */
    i_file_size = CACHE_SUBVERSION_NUM;
497 498
    if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1 )
        goto error;
499 500

    /* Language */
501 502
    if (fprintf (file, "%5.5s", _("C")) == EOF)
        goto error;
503 504 505

    /* Header marker */
    i_file_size = ftell( file );
506 507
    if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
        goto error;
508 509 510 511

    i_cache = p_libvlc_global->p_module_bank->i_cache;
    pp_cache = p_libvlc_global->p_module_bank->pp_cache;

512 513 514 515 516 517 518 519 520 521 522 523
    if (fwrite( &i_cache, sizeof (i_cache), 1, file) != 1)
        goto error;

#define SAVE_IMMEDIATE( a ) \
    if (fwrite (&a, sizeof(a), 1, file) != 1) \
        goto error
#define SAVE_STRING( a ) \
    { \
        uint16_t i_size = (a != NULL) ? (strlen (a) + 1) : 0; \
        if ((fwrite (&i_size, sizeof (i_size), 1, file) != 1) \
         || (a && (fwrite (a, 1, i_size, file) != i_size))) \
            goto error; \
524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554
    } while(0)

    for( i = 0; i < i_cache; i++ )
    {
        uint32_t i_submodule;

        /* Save common info */
        SAVE_STRING( pp_cache[i]->psz_file );
        SAVE_IMMEDIATE( pp_cache[i]->i_time );
        SAVE_IMMEDIATE( pp_cache[i]->i_size );
        SAVE_IMMEDIATE( pp_cache[i]->b_junk );

        if( pp_cache[i]->b_junk ) continue;

        /* Save additional infos */
        SAVE_STRING( pp_cache[i]->p_module->psz_object_name );
        SAVE_STRING( pp_cache[i]->p_module->psz_shortname );
        SAVE_STRING( pp_cache[i]->p_module->psz_longname );
        SAVE_STRING( pp_cache[i]->p_module->psz_help );
        for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
        {
            SAVE_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
        }
        SAVE_STRING( pp_cache[i]->p_module->psz_capability );
        SAVE_IMMEDIATE( pp_cache[i]->p_module->i_score );
        SAVE_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
        SAVE_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
        SAVE_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
        SAVE_IMMEDIATE( pp_cache[i]->p_module->b_submodule );

        /* Config stuff */
555 556
        if (CacheSaveConfig (pp_cache[i]->p_module, file))
            goto error;
557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587

        SAVE_STRING( pp_cache[i]->p_module->psz_filename );

        i_submodule = pp_cache[i]->p_module->i_children;
        SAVE_IMMEDIATE( i_submodule );
        for( i_submodule = 0;
             i_submodule < (unsigned)pp_cache[i]->p_module->i_children;
             i_submodule++ )
        {
            module_t *p_module =
                (module_t *)pp_cache[i]->p_module->pp_children[i_submodule];

            SAVE_STRING( p_module->psz_object_name );
            SAVE_STRING( p_module->psz_shortname );
            SAVE_STRING( p_module->psz_longname );
            SAVE_STRING( p_module->psz_help );
            for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
            {
                SAVE_STRING( p_module->pp_shortcuts[j] ); // FIX
            }
            SAVE_STRING( p_module->psz_capability );
            SAVE_IMMEDIATE( p_module->i_score );
            SAVE_IMMEDIATE( p_module->i_cpu );
            SAVE_IMMEDIATE( p_module->b_unloadable );
            SAVE_IMMEDIATE( p_module->b_reentrant );
        }
    }

    /* Fill-up file size */
    i_file_size = ftell( file );
    fseek( file, 0, SEEK_SET );
588 589
    if (fwrite (&i_file_size, sizeof (i_file_size), 1, file) != 1)
        goto error;
590

591 592 593 594 595 596 597 598 599 600 601 602
    if (fclose (file) == 0)
        return; /* success! */

    file = NULL;
error:
    msg_Warn (p_this, "could not write plugins cache %s (%m)",
              psz_filename);
    if (file != NULL)
    {
        clearerr (file);
        fclose (file);
    }
603 604
}

605
static int CacheSaveConfig( module_t *p_module, FILE *file )
606 607 608 609 610 611 612 613 614 615 616 617 618 619 620
{
    uint32_t i_lines = p_module->confsize;

    SAVE_IMMEDIATE( p_module->i_config_items );
    SAVE_IMMEDIATE( p_module->i_bool_items );
    SAVE_IMMEDIATE( i_lines );

    for (size_t i = 0; i < i_lines ; i++)
    {
        SAVE_IMMEDIATE( p_module->p_config[i] );

        SAVE_STRING( p_module->p_config[i].psz_type );
        SAVE_STRING( p_module->p_config[i].psz_name );
        SAVE_STRING( p_module->p_config[i].psz_text );
        SAVE_STRING( p_module->p_config[i].psz_longtext );
621 622 623
        SAVE_STRING( p_module->p_config[i].psz_oldname );
        SAVE_IMMEDIATE( p_module->p_config[i].b_removed );

624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651
        if (IsConfigStringType (p_module->p_config[i].i_type))
            SAVE_STRING( p_module->p_config[i].orig.psz );

        if( p_module->p_config[i].i_list )
        {
            if( p_module->p_config[i].ppsz_list )
            {
                for (int j = 0; j < p_module->p_config[i].i_list; j++)
                    SAVE_STRING( p_module->p_config[i].ppsz_list[j] );
            }

            if( p_module->p_config[i].ppsz_list_text )
            {
                for (int j = 0; j < p_module->p_config[i].i_list; j++)
                    SAVE_STRING( p_module->p_config[i].ppsz_list_text[j] );
            }
            if( p_module->p_config[i].pi_list )
            {
                for (int j = 0; j < p_module->p_config[i].i_list; j++)
                    SAVE_IMMEDIATE( p_module->p_config[i].pi_list[j] );
            }
        }

        for (int j = 0; j < p_module->p_config[i].i_action; j++)
            SAVE_STRING( p_module->p_config[i].ppsz_action_text[j] );

        SAVE_IMMEDIATE( p_module->p_config[i].pf_callback );
    }
652 653 654 655
    return 0;

error:
    return -1;
656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719
}

/*****************************************************************************
 * CacheName: Return the cache file name for this platform.
 *****************************************************************************/
static char *CacheName( void )
{
    static char psz_cachename[32];

    /* Code int size, pointer size and endianness in the filename */
    int32_t x = 0xbe00001e;
    sprintf( psz_cachename, "plugins-%.2x%.2x%.2x.dat", (int)sizeof(int),
             (int)sizeof(void *), (unsigned int)((unsigned char *)&x)[0] );
    return psz_cachename;
}

/*****************************************************************************
 * CacheMerge: Merge a cache module descriptor with a full module descriptor.
 *****************************************************************************/
void CacheMerge( vlc_object_t *p_this, module_t *p_cache, module_t *p_module )
{
    int i_submodule;
    (void)p_this;

    p_cache->pf_activate = p_module->pf_activate;
    p_cache->pf_deactivate = p_module->pf_deactivate;
    p_cache->handle = p_module->handle;

    for( i_submodule = 0; i_submodule < p_module->i_children; i_submodule++ )
    {
        module_t *p_child = (module_t*)p_module->pp_children[i_submodule];
        module_t *p_cchild = (module_t*)p_cache->pp_children[i_submodule];
        p_cchild->pf_activate = p_child->pf_activate;
        p_cchild->pf_deactivate = p_child->pf_deactivate;
    }

    p_cache->b_loaded = VLC_TRUE;
    p_module->b_loaded = VLC_FALSE;
}

/*****************************************************************************
 * CacheFind: finds the cache entry corresponding to a file
 *****************************************************************************/
module_cache_t *CacheFind( vlc_object_t *p_this, const char *psz_file,
                           int64_t i_time, int64_t i_size )
{
    module_cache_t **pp_cache;
    int i_cache, i;
    libvlc_global_data_t *p_libvlc_global = vlc_global();

    pp_cache = p_libvlc_global->p_module_bank->pp_loaded_cache;
    i_cache = p_libvlc_global->p_module_bank->i_loaded_cache;

    for( i = 0; i < i_cache; i++ )
    {
        if( !strcmp( pp_cache[i]->psz_file, psz_file ) &&
            pp_cache[i]->i_time == i_time &&
            pp_cache[i]->i_size == i_size ) return pp_cache[i];
    }

    return NULL;
}

#endif /* HAVE_DYNAMIC_PLUGINS */