src/cfile/cfilesystem.cpp

   1 /*
   2  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
   3  *
   4  * All source code herein is the property of Volition, Inc. You may not sell
   5  * or otherwise commercially exploit the source or things you created based on
   6  * the source.
   7  */
   8
   9 /*
  10  * $Logfile: /Freespace2/code/CFile/CfileSystem.cpp $
  11  * $Revision$
  12  * $Date$
  13  * $Author$
  14  *
  15  * Functions to keep track of and find files that can exist
  16  * on the harddrive, cd-rom, or in a pack file on either of those.
  17  * This keeps a list of all the files in packfiles or on CD-rom
  18  * and when you need a file you call one function which then searches
  19  * all those locations, inherently enforcing precedence orders.
  20  *
  21  * $Log$
  22  * Revision 1.11  2004/07/04 11:27:29  taylor
  23  * cleanup CFILE code a little, warning fixes, remove redundant dir checks, amd64 support
  24  *
  25  * Revision 1.10  2004/06/11 00:29:22  tigital
  26  * byte-swapping changes for bigendian systems
  27  *
  28  * Revision 1.9  2003/05/27 03:03:11  taylor
  29  * fix second root (gamedir) searching
  30  *
  31  * Revision 1.8  2003/02/20 17:41:07  theoddone33
  32  * Userdir patch from Taylor Richards
  33  *
  34  * Revision 1.7  2002/06/22 23:57:39  relnev
  35  * remove writable strings.
  36  *
  37  * fix compile for intel compiler.
  38  *
  39  * Revision 1.6  2002/06/09 04:41:15  relnev
  40  * added copyright header
  41  *
  42  * Revision 1.5  2002/06/05 04:03:32  relnev
  43  * finished cfilesystem.
  44  *
  45  * removed some old code.
  46  *
  47  * fixed mouse save off-by-one.
  48  *
  49  * sound cleanups.
  50  *
  51  * Revision 1.4  2002/05/28 17:26:57  theoddone33
  52  * Fill in some timer and palette setting stubs.  Still no display
  53  *
  54  * Revision 1.3  2002/05/28 06:45:38  theoddone33
  55  * Cleanup some stuff
  56  *
  57  * Revision 1.2  2002/05/28 06:28:20  theoddone33
  58  * Filesystem mods, actually reads some data files now
  59  *
  60  * Revision 1.1.1.1  2002/05/03 03:28:08  root
  61  * Initial import.
  62  *
  63  *
  64  * 6     9/08/99 10:01p Dave
  65  * Make sure game won't run in a drive's root directory. Make sure
  66  * standalone routes suqad war messages properly to the host.
  67  *
  68  * 5     9/03/99 1:31a Dave
  69  * CD checking by act. Added support to play 2 cutscenes in a row
  70  * seamlessly. Fixed super low level cfile bug related to files in the
  71  * root directory of a CD. Added cheat code to set campaign mission # in
  72  * main hall.
  73  *
  74  * 4     2/22/99 10:31p Andsager
  75  * Get rid of unneeded includes.
  76  *
  77  * 3     10/13/98 9:19a Andsager
  78  * Add localization support to cfile.  Optional parameter with cfopen that
  79  * looks for localized files.
  80  *
  81  * 2     10/07/98 10:52a Dave
  82  * Initial checkin.
  83  *
  84  * 1     10/07/98 10:48a Dave
  85  *
  86  * 14    8/31/98 2:06p Dave
  87  * Make cfile sort the ordering or vp files. Added support/checks for
  88  * recognizing "mission disk" players.
  89  *
  90  * 13    6/23/98 4:18p Hoffoss
  91  * Fixed some bugs with AC release build.
  92  *
  93  * 12    5/20/98 10:46p John
  94  * Added code that doesn't include duplicate filenames in any file list
  95  * functions.
  96  *
  97  * 11    5/14/98 2:14p Lawrance2
  98  * Use filespec filtering for packfiles
  99  *
 100  * 10    5/03/98 11:53a John
 101  * Fixed filename case mangling.
 102  *
 103  * 9     5/02/98 11:06p Allender
 104  * correctly deal with pack pathnames
 105  *
 106  * 8     5/01/98 11:41a Allender
 107  * Fixed bug with mission saving in Fred.
 108  *
 109  * 7     5/01/98 10:21a John
 110  * Added code to find all pack files in all trees.   Added code to create
 111  * any directories that we write to.
 112  *
 113  * 6     4/30/98 10:21p John
 114  * Added code to cleanup cfilesystem
 115  *
 116  * 5     4/30/98 10:18p John
 117  * added source safe header
 118  *
 119  * $NoKeywords: $
 120  */
 121
 122 #include <stdlib.h>
 123 #include <string.h>
 124 #include <stdio.h>
 125 #include <errno.h>
 126 #ifndef PLAT_UNIX
 127 #include <io.h>
 128 #include <direct.h>
 129 #include <windows.h>
 130 #include <winbase.h>            /* needed for memory mapping of file functions */
 131 #else
 132 #include <sys/types.h>
 133 #include <dirent.h>
 134 #include <fnmatch.h>
 135 #include <sys/stat.h>
 136 #include <unistd.h>
 137 #endif
 138
 139 #include "pstypes.h"
 140 //#include "outwnd.h"
 141 //#include "vecmat.h"
 142 //#include "timer.h"
 143 #include "cfile.h"
 144 #include "cfilesystem.h"
 145 #include "localize.h"
 146
 147
 148 #define CF_ROOTTYPE_PATH 0
 149 #define CF_ROOTTYPE_PACK 1
 150
 151 //  Created by:
 152 //    specifying hard drive tree
 153 //    searching for pack files on hard drive            // Found by searching all known paths
 154 //    specifying cd-rom tree
 155 //    searching for pack files on CD-rom tree
 156 typedef struct cf_root {
 157         char                            path[CF_MAX_PATHNAME_LENGTH];           // Contains something like c:\projects\freespace or c:\projects\freespace\freespace.vp
 158         int                             roottype;                                                               // CF_ROOTTYPE_PATH  = Path, CF_ROOTTYPE_PACK =Pack file
 159 } cf_root;
 160
 161 // convenient type for sorting (see cf_build_pack_list())
 162 typedef struct cf_root_sort {
 163         char                            path[CF_MAX_PATHNAME_LENGTH];
 164         int                             roottype;
 165         int                             cf_type;
 166 } cf_root_sort;
 167
 168 #define CF_NUM_ROOTS_PER_BLOCK   32
 169 #define CF_MAX_ROOT_BLOCKS                      256                             // Can store 32*256 = 8192 Roots
 170 #define CF_MAX_ROOTS                                    (CF_NUM_ROOTS_PER_BLOCK * CF_MAX_ROOT_BLOCKS)
 171
 172 typedef struct cf_root_block {
 173         cf_root                 roots[CF_NUM_ROOTS_PER_BLOCK];
 174 } cf_root_block;
 175
 176 static int Num_roots = 0;
 177 static cf_root_block  *Root_blocks[CF_MAX_ROOT_BLOCKS];
 178
 179
 180 // Created by searching all roots in order.   This means Files is then sorted by precedence.
 181 typedef struct cf_file {
 182         char            name_ext[CF_MAX_FILENAME_LENGTH];               // Filename and extension
 183         int             root_index;                                                                             // Where in Roots this is located
 184         int             pathtype_index;                                                         // Where in Paths this is located
 185         time_t  write_time;                                                                             // When it was last written
 186         int             size;                                                                                           // How big it is in bytes
 187         int             pack_offset;                                                                    // For pack files, where it is at.   0 if not in a pack file.  This can be used to tell if in a pack file.
 188 } cf_file;
 189
 190 #define CF_NUM_FILES_PER_BLOCK   256
 191 #define CF_MAX_FILE_BLOCKS                      128                                             // Can store 256*128 = 32768 files
 192
 193 typedef struct cf_file_block {
 194         cf_file                                         files[CF_NUM_FILES_PER_BLOCK];
 195 } cf_file_block;
 196
 197 static int Num_files = 0;
 198 static cf_file_block  *File_blocks[CF_MAX_FILE_BLOCKS];
 199
 200
 201 // Return a pointer to to file 'index'.
 202 cf_file *cf_get_file(int index)
 203 {
 204         int block = index / CF_NUM_FILES_PER_BLOCK;
 205         int offset = index % CF_NUM_FILES_PER_BLOCK;
 206
 207         return &File_blocks[block]->files[offset];
 208 }
 209
 210 // Create a new file and return a pointer to it.
 211 cf_file *cf_create_file()
 212 {
 213         int block = Num_files / CF_NUM_FILES_PER_BLOCK;
 214         int offset = Num_files % CF_NUM_FILES_PER_BLOCK;
 215
 216         if ( File_blocks[block] == NULL )       {
 217                 File_blocks[block] = (cf_file_block *)malloc( sizeof(cf_file_block) );
 218                 SDL_assert( File_blocks[block] != NULL);
 219         }
 220
 221         Num_files++;
 222
 223         return &File_blocks[block]->files[offset];
 224 }
 225
 226 extern int cfile_inited;
 227
 228 // Create a new root and return a pointer to it.  The structure is assumed unitialized.
 229 cf_root *cf_get_root(int n)
 230 {
 231         int block = n / CF_NUM_ROOTS_PER_BLOCK;
 232         int offset = n % CF_NUM_ROOTS_PER_BLOCK;
 233
 234         if (!cfile_inited)
 235                 return NULL;
 236
 237         return &Root_blocks[block]->roots[offset];
 238 }
 239
 240
 241 // Create a new root and return a pointer to it.  The structure is assumed unitialized.
 242 cf_root *cf_create_root()
 243 {
 244         int block = Num_roots / CF_NUM_ROOTS_PER_BLOCK;
 245         int offset = Num_roots % CF_NUM_ROOTS_PER_BLOCK;
 246
 247         if ( Root_blocks[block] == NULL )       {
 248                 Root_blocks[block] = (cf_root_block *)malloc( sizeof(cf_root_block) );
 249                 SDL_assert(Root_blocks[block] != NULL);
 250         }
 251
 252         Num_roots++;
 253
 254         return &Root_blocks[block]->roots[offset];
 255 }
 256
 257 // return the # of packfiles which exist
 258 int cf_get_packfile_count(cf_root *root)
 259 {
 260         char filespec[MAX_PATH_LEN];
 261         int i;
 262         int packfile_count;
 263
 264         // count up how many packfiles we're gonna have
 265         packfile_count = 0;
 266         for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
 267 #ifdef PLAT_UNIX
 268                 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
 269
 270                 if(strlen(Pathtypes[i].path)){
 271                         SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
 272                         SDL_strlcat( filespec, "/", sizeof(filespec) );
 273                 }
 274
 275                 DIR *dirp;
 276                 struct dirent *dir;
 277
 278                 dirp = opendir (filespec);
 279                 if ( dirp ) {
 280                         while ((dir = readdir (dirp)) != NULL)
 281                         {
 282                                 if (!fnmatch ("*.vp", dir->d_name, 0))
 283                                         packfile_count++;
 284                         }
 285                         closedir(dirp);
 286                 }
 287 #else
 288                 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
 289
 290                 if(strlen(Pathtypes[i].path)){
 291                         SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
 292                         SDL_strlcat( filespec, "\\", sizeof(filespec) );
 293                 }
 294
 295                 SDL_strlcat( filespec, "*.vp", sizeof(filespec) );
 296
 297                 int find_handle;
 298                 _finddata_t find;
 299
 300                 find_handle = _findfirst( filespec, &find );
 301
 302                 if (find_handle != -1) {
 303                         do {
 304                                 if (!(find.attrib & _A_SUBDIR)) {
 305                                         packfile_count++;
 306                                 }
 307
 308                         } while (!_findnext(find_handle, &find));
 309
 310                         _findclose( find_handle );
 311                 }
 312 #endif
 313         }
 314
 315         return packfile_count;
 316 }
 317
 318 // packfile sort function
 319 int cf_packfile_sort_func(const void *elem1, const void *elem2)
 320 {
 321         cf_root_sort *r1, *r2;
 322         r1 = (cf_root_sort*)elem1;
 323         r2 = (cf_root_sort*)elem2;
 324
 325         // if the 2 directory types are the same, do a string compare
 326         if(r1->cf_type == r2->cf_type){
 327                 return SDL_strcasecmp(r1->path, r2->path);
 328         }
 329
 330         // otherwise return them in order of CF_TYPE_* precedence
 331         return (r1->cf_type < r2->cf_type) ? -1 : 1;
 332 }
 333
 334 // Go through a root and look for pack files
 335 void cf_build_pack_list( cf_root *root )
 336 {
 337         char filespec[MAX_PATH_LEN];
 338         int i;
 339         cf_root_sort *temp_roots_sort, *rptr_sort;
 340         int temp_root_count, root_index;
 341
 342         // determine how many packfiles there are
 343         temp_root_count = cf_get_packfile_count(root);
 344         if(temp_root_count <= 0){
 345                 return;
 346         }
 347
 348         // allocate a temporary array of temporary roots so we can easily sort them
 349         temp_roots_sort = (cf_root_sort*)malloc(sizeof(cf_root_sort) * temp_root_count);
 350         if(temp_roots_sort == NULL){
 351                 Int3();
 352                 return;
 353         }
 354
 355         // now just setup all the root info
 356         root_index = 0;
 357         for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
 358
 359 #ifdef PLAT_UNIX
 360                 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
 361
 362                 if(strlen(Pathtypes[i].path)){
 363                         SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
 364                         SDL_strlcat( filespec, "/", sizeof(filespec) );
 365                 }
 366
 367                 DIR *dirp;
 368                 struct dirent *dir;
 369
 370                 dirp = opendir (filespec);
 371                 if ( dirp ) {
 372                         while ((dir = readdir (dirp)) != NULL)
 373                         {
 374                                 if (!fnmatch ("*.vp", dir->d_name, 0))
 375                                 {
 376                                         SDL_assert(root_index < temp_root_count);
 377
 378                                         char fn[MAX_PATH_LEN];
 379                                         SDL_snprintf(fn, sizeof(fn), "%s/%s", filespec, dir->d_name);
 380
 381                                         struct stat buf;
 382                                         if (stat(fn, &buf) == -1) {
 383                                                 continue;
 384                                         }
 385
 386                                         if (!S_ISREG(buf.st_mode)) {
 387                                                 continue;
 388                                         }
 389
 390                                         // get a temp pointer
 391                                         rptr_sort = &temp_roots_sort[root_index++];
 392
 393                                         // fill in all the proper info
 394                                         SDL_strlcpy(rptr_sort->path, root->path, sizeof(rptr_sort->path));
 395
 396                                         if(strlen(Pathtypes[i].path)){
 397                                                 SDL_strlcat(rptr_sort->path, Pathtypes[i].path, sizeof(rptr_sort->path));
 398                                                 SDL_strlcat(rptr_sort->path, "/", sizeof(rptr_sort->path));
 399                                         }
 400
 401                                         SDL_strlcat(rptr_sort->path, dir->d_name, sizeof(rptr_sort->path));
 402                                         rptr_sort->roottype = CF_ROOTTYPE_PACK;
 403                                         rptr_sort->cf_type = i;
 404                                 }
 405                         }
 406                         closedir(dirp);
 407                 }
 408 #else
 409                 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
 410
 411                 if(strlen(Pathtypes[i].path)){
 412                         SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
 413                         SDL_strlcat( filespec, "\\", sizeof(filespec) );
 414                 }
 415                 SDL_strlcat( filespec, "*.vp", sizeof(filespec) );
 416                 int find_handle;
 417                 _finddata_t find;
 418
 419                 find_handle = _findfirst( filespec, &find );
 420
 421                 if (find_handle != -1) {
 422                         do {
 423                                 // add the new item
 424                                 if (!(find.attrib & _A_SUBDIR)) {
 425                                         SDL_assert(root_index < temp_root_count);
 426
 427                                         // get a temp pointer
 428                                         rptr_sort = &temp_roots_sort[root_index++];
 429
 430                                         // fill in all the proper info
 431                                         SDL_strlcpy(rptr_sort->path, root->path, sizeof(rptr_sort->path));
 432
 433                                         if(strlen(Pathtypes[i].path)){
 434                                                 SDL_strlcat(rptr_sort->path, Pathtypes[i].path, sizeof(rptr_sort->path) );
 435                                                 SDL_strlcat(rptr_sort->path, "\\", sizeof(rptr_sort->path));
 436                                         }
 437
 438                                         SDL_strlcat(rptr_sort->path, find.name, sizeof(rptr_sort->path) );
 439                                         rptr_sort->roottype = CF_ROOTTYPE_PACK;
 440                                         rptr_sort->cf_type = i;
 441                                 }
 442
 443                         } while (!_findnext(find_handle, &find));
 444
 445                         _findclose( find_handle );
 446                 }
 447 #endif
 448         }
 449
 450         // these should always be the same
 451         SDL_assert(root_index == temp_root_count);
 452
 453         // sort tht roots
 454         qsort(temp_roots_sort,  temp_root_count, sizeof(cf_root_sort), cf_packfile_sort_func);
 455
 456         // now insert them all into the real root list properly
 457         cf_root *new_root;
 458         for(i=0; i<temp_root_count; i++){
 459                 new_root = cf_create_root();
 460                 SDL_strlcpy( new_root->path, root->path, sizeof(new_root->path) );
 461
 462                 // mwa -- 4/2/98 put in the next 2 lines because the path name needs to be there
 463                 // to find the files.
 464                 SDL_strlcpy(new_root->path, temp_roots_sort[i].path, sizeof(new_root->path));
 465                 new_root->roottype = CF_ROOTTYPE_PACK;
 466         }
 467
 468         // free up the temp list
 469         free(temp_roots_sort);
 470 }
 471
 472
 473 void cf_build_root_list(const char *extras_dir)
 474 {
 475         Num_roots = 0;
 476
 477         cf_root *root;
 478
 479         // ================================================================
 480         // have user's writable directory as default for loading and saving files
 481         root = cf_create_root();
 482         SDL_strlcpy( root->path, Cfile_user_dir, sizeof(root->path) );
 483
 484         // do we already have a slash? as in the case of a root directory install
 485         if(strlen(root->path) && (root->path[strlen(root->path)-1] != DIR_SEPARATOR_CHAR)){
 486                 SDL_strlcat(root->path, DIR_SEPARATOR_STR, sizeof(root->path));         // put trailing backslash on for easier path construction
 487         }
 488         root->roottype = CF_ROOTTYPE_PATH;
 489
 490         //======================================================
 491         // then check any VP files under the directory.
 492         cf_build_pack_list(root);
 493
 494         //======================================================
 495         // Next, use the executable's directory for game data
 496         root = cf_create_root();
 497         SDL_strlcpy( root->path, Cfile_root_dir, sizeof(root->path) );
 498
 499         // do we already have a slash? as in the case of a root directory install
 500         if(strlen(root->path) && (root->path[strlen(root->path)-1] != DIR_SEPARATOR_CHAR)){
 501                 SDL_strlcat(root->path, DIR_SEPARATOR_STR, sizeof(root->path));         // put trailing backslash on for easier path construction
 502         }
 503         root->roottype = CF_ROOTTYPE_PATH;
 504
 505         //======================================================
 506         // then check any VP files under the current directory.
 507         cf_build_pack_list(root);
 508
 509
 510         //======================================================
 511         // Check the real CD if one...
 512         if ( extras_dir && strlen(extras_dir) ) {
 513                 root = cf_create_root();
 514                 SDL_strlcpy( root->path, extras_dir, sizeof(root->path) );
 515                 root->roottype = CF_ROOTTYPE_PATH;
 516
 517                 //======================================================
 518                 // Next, check any VP files in the CD-ROM directory.
 519                 cf_build_pack_list(root);
 520         }
 521 }
 522
 523 // Given a lower case list of file extensions
 524 // separated by spaces, return zero if ext is
 525 // not in the list.
 526 int is_ext_in_list( const char *ext_list, char *ext )
 527 {
 528         char tmp_ext[128];
 529
 530         SDL_strlcpy( tmp_ext, ext, sizeof(tmp_ext) );
 531         SDL_strlwr(tmp_ext);
 532         if ( strstr(ext_list, tmp_ext ))        {
 533                 return 1;
 534         }
 535
 536         return 0;
 537 }
 538
 539 void cf_search_root_path(int root_index)
 540 {
 541         int i;
 542
 543         cf_root *root = cf_get_root(root_index);
 544
 545         mprintf(( "Searching root '%s'\n", root->path ));
 546
 547         char search_path[CF_MAX_PATHNAME_LENGTH];
 548
 549         for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
 550
 551                 SDL_strlcpy( search_path, root->path, sizeof(search_path) );
 552
 553                 if(strlen(Pathtypes[i].path)){
 554                         SDL_strlcat( search_path, Pathtypes[i].path, sizeof(search_path) );
 555                         SDL_strlcat( search_path, DIR_SEPARATOR_STR, sizeof(search_path) );
 556                 }
 557
 558 #ifdef PLAT_UNIX
 559                 DIR *dirp;
 560                 struct dirent *dir;
 561
 562                 // only get pilots from the primary root as there could be nasty
 563                 // permission issues otherwise
 564                 if ( (root_index > 0) && ((Pathtypes[i].index == CF_TYPE_SINGLE_PLAYERS)
 565                                         || (Pathtypes[i].index == CF_TYPE_MULTI_PLAYERS)) ) {
 566                         break;
 567                 }
 568
 569                 dirp = opendir (search_path);
 570                 if ( dirp ) {
 571                         while ((dir = readdir (dirp)) != NULL)
 572                         {
 573                                 if (!fnmatch ("*.*", dir->d_name, 0))
 574                                 {
 575                                         char fn[MAX_PATH_LEN];
 576                                         SDL_snprintf(fn, MAX_PATH_LEN, "%s/%s", search_path, dir->d_name);
 577
 578                                         struct stat buf;
 579                                         if (stat(fn, &buf) == -1) {
 580                                                 continue;
 581                                         }
 582
 583                                         if (!S_ISREG(buf.st_mode)) {
 584                                                 continue;
 585                                         }
 586
 587                                         char *ext = SDL_strchr( dir->d_name, '.' );
 588                                         if ( ext )      {
 589                                                 if ( is_ext_in_list( Pathtypes[i].extensions, ext ) )   {
 590                                                         // Found a file!!!!
 591                                                         cf_file *file = cf_create_file();
 592
 593                                                         SDL_strlcpy( file->name_ext, dir->d_name, sizeof(file->name_ext) );
 594                                                         file->root_index = root_index;
 595                                                         file->pathtype_index = i;
 596
 597
 598                                                         file->write_time = buf.st_mtime;
 599                                                         file->size = buf.st_size;
 600
 601                                                         file->pack_offset = 0;                  // Mark as a non-packed file
 602
 603                                                         //mprintf(( "Found file '%s'\n", file->name_ext ));
 604                                                 }
 605                                         }
 606                                 }
 607                         }
 608                         closedir(dirp);
 609                 }
 610 #else
 611                 SDL_strlcat( search_path, "*.*", sizeof(search_path) );
 612
 613                 int find_handle;
 614                 _finddata_t find;
 615
 616                 find_handle = _findfirst( search_path, &find );
 617
 618                 if (find_handle != -1) {
 619                         do {
 620                                 if (!(find.attrib & _A_SUBDIR)) {
 621
 622                                         char *ext = SDL_strchr( find.name, '.' );
 623                                         if ( ext )      {
 624                                                 if ( is_ext_in_list( Pathtypes[i].extensions, ext ) )   {
 625                                                         // Found a file!!!!
 626                                                         cf_file *file = cf_create_file();
 627
 628                                                         SDL_strlcpy( file->name_ext, find.name, sizeof(file->name_ext) );
 629                                                         file->root_index = root_index;
 630                                                         file->pathtype_index = i;
 631                                                         file->write_time = find.time_write;
 632                                                         file->size = find.size;
 633                                                         file->pack_offset = 0;                  // Mark as a non-packed file
 634
 635                                                         //mprintf(( "Found file '%s'\n", file->name_ext ));
 636
 637                                                 }
 638                                         }
 639
 640                                 }
 641
 642                         } while (!_findnext(find_handle, &find));
 643
 644                         _findclose( find_handle );
 645                 }
 646 #endif
 647
 648         }
 649 }
 650
 651
 652 typedef struct VP_FILE_HEADER {
 653         char id[4];
 654         int version;
 655         int index_offset;
 656         int num_files;
 657 } VP_FILE_HEADER;
 658
 659 typedef struct VP_FILE {
 660         int     offset;
 661         int     size;
 662         char    filename[32];
 663         fs_time_t write_time;
 664 } VP_FILE;
 665
 666 void cf_search_root_pack(int root_index)
 667 {
 668         int i;
 669
 670         cf_root *root = cf_get_root(root_index);
 671
 672         //mprintf(( "Searching root pack '%s'\n", root->path ));
 673
 674         // Open data
 675
 676         FILE *fp = fopen( root->path, "rb" );
 677         // Read the file header
 678         if (!fp) {
 679                 return;
 680         }
 681
 682         VP_FILE_HEADER VP_header;
 683
 684         SDL_assert( sizeof(VP_header) == 16 );
 685         fread(&VP_header, 1, sizeof(VP_header), fp);
 686
 687     VP_header.version = INTEL_INT( VP_header.version);
 688     VP_header.index_offset = INTEL_INT( VP_header.index_offset);
 689     VP_header.num_files = INTEL_INT( VP_header.num_files);
 690
 691         // Read index info
 692         fseek(fp, VP_header.index_offset, SEEK_SET);
 693
 694         char search_path[CF_MAX_PATHNAME_LENGTH];
 695
 696         SDL_strlcpy( search_path, "", sizeof(search_path) );
 697
 698         // Go through all the files
 699         for (i=0; i<VP_header.num_files; i++ )  {
 700                 VP_FILE find;
 701
 702                 fread( &find, sizeof(VP_FILE), 1, fp );
 703
 704         find.offset = INTEL_INT( find.offset );
 705         find.size = INTEL_INT( find.size );
 706                 find.write_time = INTEL_INT(find.write_time);
 707
 708                 if ( find.size == 0 )   {
 709                         if ( !SDL_strcasecmp( find.filename, ".." ))    {
 710                                 int l = strlen(search_path);
 711                                 char *p = &search_path[l-1];
 712                                 while( (p > search_path) && (*p != DIR_SEPARATOR_CHAR) )        {
 713                                         p--;
 714                                 }
 715                                 *p = 0;
 716                         } else {
 717                                 if ( strlen(search_path)        )       {
 718                                         SDL_strlcat( search_path,       DIR_SEPARATOR_STR, sizeof(search_path) );
 719                                 }
 720                                 SDL_strlcat( search_path, find.filename, sizeof(search_path) );
 721                         }
 722
 723                         //mprintf(( "Current dir = '%s'\n", search_path ));
 724                 } else {
 725
 726                         int j;
 727                         for (j=CF_TYPE_ROOT; j<CF_MAX_PATH_TYPES; j++ ) {
 728
 729                                 if ( !SDL_strcasecmp( search_path, Pathtypes[j].path )) {
 730
 731                                         char *ext = SDL_strchr( find.filename, '.' );
 732                                         if ( ext )      {
 733                                                 if ( is_ext_in_list( Pathtypes[j].extensions, ext ) )   {
 734                                                         // Found a file!!!!
 735                                                         cf_file *file = cf_create_file();
 736
 737                                                         SDL_strlcpy( file->name_ext, find.filename, sizeof(file->name_ext) );
 738                                                         file->root_index = root_index;
 739                                                         file->pathtype_index = j;
 740                                                         file->write_time = find.write_time;
 741                                                         file->size = find.size;
 742                                                         file->pack_offset = find.offset;                        // Mark as a non-packed file
 743
 744                                                         //mprintf(( "Found pack file '%s'\n", file->name_ext ));
 745                                                 }
 746                                         }
 747
 748
 749                                 }
 750                         }
 751
 752                 }
 753         }
 754         fclose(fp);
 755 }
 756
 757
 758 void cf_build_file_list()
 759 {
 760         int i;
 761
 762         Num_files = 0;
 763
 764         // For each root, find all files...
 765         for (i=1; i<Num_roots; i++ )    {
 766                 cf_root *root = cf_get_root(i);
 767                 if ( root->roottype == CF_ROOTTYPE_PATH )       {
 768                         cf_search_root_path(i);
 769                 } else if ( root->roottype == CF_ROOTTYPE_PACK )        {
 770                         cf_search_root_pack(i);
 771                 }
 772         }
 773
 774 }
 775
 776
 777 void cf_build_secondary_filelist(const char *extras_dir)
 778 {
 779         int i;
 780
 781         // Assume no files
 782         Num_roots = 0;
 783         Num_files = 0;
 784
 785         // Init the path types
 786         for (i=0; i<CF_MAX_PATH_TYPES; i++ )    {
 787                 SDL_assert( Pathtypes[i].index == i );
 788 #if 0 /* they are already lowercased -- SBF */
 789                 if ( Pathtypes[i].extensions )  {
 790                         SDL_strlwr(Pathtypes[i].extensions);
 791                 }
 792 #endif
 793         }
 794
 795         // Init the root blocks
 796         for (i=0; i<CF_MAX_ROOT_BLOCKS; i++ )   {
 797                 Root_blocks[i] = NULL;
 798         }
 799
 800         // Init the file blocks
 801         for (i=0; i<CF_MAX_FILE_BLOCKS; i++ )   {
 802                 File_blocks[i] = NULL;
 803         }
 804
 805         mprintf(( "Building file index...\n" ));
 806
 807         // build the list of searchable roots
 808         cf_build_root_list(extras_dir);
 809
 810         // build the list of files themselves
 811         cf_build_file_list();
 812
 813         mprintf(( "Found %d roots and %d files.\n", Num_roots, Num_files ));
 814 }
 815
 816 void cf_free_secondary_filelist()
 817 {
 818         int i;
 819
 820         // Free the root blocks
 821         for (i=0; i<CF_MAX_ROOT_BLOCKS; i++ )   {
 822                 if ( Root_blocks[i] )   {
 823                         free( Root_blocks[i] );
 824                         Root_blocks[i] = NULL;
 825                 }
 826         }
 827         Num_roots = 0;
 828
 829         // Init the file blocks
 830         for (i=0; i<CF_MAX_FILE_BLOCKS; i++ )   {
 831                 if ( File_blocks[i] )   {
 832                         free( File_blocks[i] );
 833                         File_blocks[i] = NULL;
 834                 }
 835         }
 836         Num_files = 0;
 837 }
 838
 839 // Searches for a file.   Follows all rules and precedence and searches
 840 // CD's and pack files.
 841 // Input:  filespace   - Filename & extension
 842 //         pathtype    - See CF_TYPE_ defines in CFILE.H
 843 // Output: pack_filename - Absolute path and filename of this file.   Could be a packfile or the actual file.
 844 //         size        - File size
 845 //         offset      - Offset into pack file.  0 if not a packfile.
 846 // Returns: If not found returns 0.
 847 int cf_find_file_location( const char *filespec, int pathtype, char *pack_filename, int *size, int *offset, bool localize )
 848 {
 849         int i;
 850
 851         SDL_assert(filespec && strlen(filespec));
 852
 853         // see if we have something other than just a filename
 854         // our current rules say that any file that specifies a direct
 855         // path will try to be opened on that path.  If that open
 856         // fails, then we will open the file based on the extension
 857         // of the file
 858
 859         // NOTE: full path should also include localization, if so desired
 860 #ifdef PLAT_UNIX
 861         if ( strpbrk(filespec, "/") ) {
 862 #else
 863         if ( strpbrk(filespec,"/\\:")  ) {              // do we have a full path already?
 864 #endif
 865                 FILE *fp = fopen(filespec, "rb" );
 866                 if (fp) {
 867                         if ( size ) *size = filelength(fileno(fp));
 868                         if ( offset ) *offset = 0;
 869                         if ( pack_filename ) {
 870                                 SDL_strlcpy( pack_filename, filespec, MAX_PATH_LEN );
 871                         }
 872                         fclose(fp);
 873                         return 1;
 874                 }
 875
 876                 return 0;               // If they give a full path, fail if not found.
 877         }
 878
 879         // Search the hard drive for files first.
 880         int num_search_dirs = 0;
 881         int search_order[CF_MAX_PATH_TYPES];
 882
 883         if ( CF_TYPE_SPECIFIED(pathtype) )      {
 884                 search_order[num_search_dirs++] = pathtype;
 885         }
 886
 887         for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++)  {
 888                 if ( i != pathtype )    {
 889                         search_order[num_search_dirs++] = i;
 890                 }
 891         }
 892
 893         for (i=0; i<num_search_dirs; i++ )      {
 894                 char longname[MAX_PATH_LEN];
 895
 896                 cf_create_default_path_string( longname, search_order[i], filespec, localize );
 897
 898                 FILE *fp = fopen(longname, "rb" );
 899                 if (fp) {
 900                         if ( size ) *size = filelength(fileno(fp));
 901                         if ( offset ) *offset = 0;
 902                         if ( pack_filename ) {
 903                                 SDL_strlcpy( pack_filename, longname, MAX_PATH_LEN );
 904                         }
 905                         fclose(fp);
 906                         return 1;
 907                 }
 908         }
 909
 910         // Search the pak files and CD-ROM.
 911
 912                 for (i=0; i<Num_files; i++ )    {
 913                         cf_file * f = cf_get_file(i);
 914
 915                         // only search paths we're supposed to...
 916                         if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index)  )    {
 917                                 continue;
 918                         }
 919
 920                         if (localize) {
 921                                 // create localized filespec
 922                                 char loc_filespec[MAX_PATH_LEN];
 923                                 SDL_strlcpy(loc_filespec, filespec, sizeof(loc_filespec));
 924                                 lcl_add_dir_to_path_with_filename(loc_filespec, sizeof(loc_filespec));
 925
 926                                 if ( !SDL_strcasecmp(loc_filespec, f->name_ext) )       {
 927                                         if ( size ) *size = f->size;
 928                                         if ( offset ) *offset = f->pack_offset;
 929                                         if ( pack_filename ) {
 930                                                 cf_root * r = cf_get_root(f->root_index);
 931
 932                                                 SDL_strlcpy( pack_filename, r->path, MAX_PATH_LEN );
 933                                                 if ( f->pack_offset < 1 )       {
 934                                                         SDL_strlcat( pack_filename, Pathtypes[f->pathtype_index].path, MAX_PATH_LEN );
 935                                                         SDL_strlcat( pack_filename, DIR_SEPARATOR_STR, MAX_PATH_LEN );
 936                                                         SDL_strlcat( pack_filename, f->name_ext, MAX_PATH_LEN );
 937                                                 }
 938                                         }
 939                                         return 1;
 940                                 }
 941                         }
 942
 943                         // file either not localized or localized version not found
 944                         if ( !SDL_strcasecmp(filespec, f->name_ext) )   {
 945                                 if ( size ) *size = f->size;
 946                                 if ( offset ) *offset = f->pack_offset;
 947                                 if ( pack_filename ) {
 948                                         cf_root * r = cf_get_root(f->root_index);
 949
 950                                         SDL_strlcpy( pack_filename, r->path, MAX_PATH_LEN );
 951                                         if ( f->pack_offset < 1 )       {
 952
 953                                                 if(strlen(Pathtypes[f->pathtype_index].path)){
 954                                                         SDL_strlcat( pack_filename, Pathtypes[f->pathtype_index].path, MAX_PATH_LEN );
 955                                                         SDL_strlcat( pack_filename, DIR_SEPARATOR_STR, MAX_PATH_LEN );
 956                                                 }
 957
 958                                                 SDL_strlcat( pack_filename, f->name_ext, MAX_PATH_LEN );
 959                                         }
 960                                 }
 961                                 return 1;
 962                         }
 963                 }
 964
 965         return 0;
 966 }
 967
 968
 969 // Returns true if filename matches filespec, else zero if not
 970 int cf_matches_spec(const char *filespec, const char *filename)
 971 {
 972         const char *src_ext, *dst_ext;
 973
 974         src_ext = SDL_strchr(filespec, '.');
 975         if (!src_ext)
 976                 return 1;
 977         if (*src_ext == '*')
 978                 return 1;
 979
 980         dst_ext = SDL_strchr(filename, '.');
 981         if (!dst_ext)
 982                 return 1;
 983
 984         return !SDL_strcasecmp(dst_ext, src_ext);
 985 }
 986
 987 int (*Get_file_list_filter)(const char *filename) = NULL;
 988 int Skip_packfile_search = 0;
 989
 990 int cf_file_already_in_list( int num_files, char **list, char *filename )
 991 {
 992         int i;
 993
 994         char name_no_extension[MAX_PATH_LEN];
 995
 996         SDL_strlcpy(name_no_extension, filename, sizeof(name_no_extension));
 997         char *p = SDL_strchr( name_no_extension, '.' );
 998         if ( p ) *p = 0;
 999
1000         for (i=0; i<num_files; i++ )    {
1001                 if ( !SDL_strcasecmp(list[i], name_no_extension ) )     {
1002                         // Match found!
1003                         return 1;
1004                 }
1005         }
1006         // Not found
1007         return 0;
1008 }
1009
1010 // An alternative cf_get_file_list(), dynamic list version.
1011 // This one has a 'type', which is a CF_TYPE_* value.  Because this specifies the directory
1012 // location, 'filter' only needs to be the filter itself, with no path information.
1013 // See above descriptions of cf_get_file_list() for more information about how it all works.
1014 int cf_get_file_list( int max, char **list, int pathtype, const char *filter, int sort, file_list_info *info )
1015 {
1016         char *ptr;
1017         int i, l, num_files = 0, own_flag = 0;
1018 #ifndef PLAT_UNIX
1019         int find_handle;
1020         _finddata_t find;
1021 #endif
1022
1023         if (max < 1) {
1024                 Get_file_list_filter = NULL;
1025                 return 0;
1026         }
1027
1028         SDL_assert(list);
1029
1030         if (!info && (sort == CF_SORT_TIME)) {
1031                 info = (file_list_info *) malloc(sizeof(file_list_info) * max);
1032                 own_flag = 1;
1033         }
1034
1035         char filespec[MAX_PATH_LEN];
1036
1037 #ifdef PLAT_UNIX
1038         cf_create_default_path_string( filespec, pathtype, NULL );
1039
1040                 DIR *dirp;
1041                 struct dirent *dir;
1042
1043                 dirp = opendir (filespec);
1044                 if ( dirp ) {
1045                         while ((dir = readdir (dirp)) != NULL)
1046                         {
1047                                 if (num_files >= max)
1048                                         break;
1049
1050                                 if (fnmatch(filter, dir->d_name, 0) != 0)
1051                                         continue;
1052
1053                                 char fn[MAX_PATH_LEN];
1054                                 SDL_snprintf(fn, MAX_PATH_LEN, "%s/%s", filespec, dir->d_name);
1055
1056                                 struct stat buf;
1057                                 if (stat(fn, &buf) == -1) {
1058                                         continue;
1059                                 }
1060
1061                                 if (!S_ISREG(buf.st_mode)) {
1062                                         continue;
1063                                 }
1064
1065                                 if ( !Get_file_list_filter || (*Get_file_list_filter)(dir->d_name) ) {
1066                                         ptr = strrchr(dir->d_name, '.');
1067                                         if (ptr)
1068                                                 l = ptr - dir->d_name;
1069                                         else
1070                                                 l = strlen(dir->d_name);
1071
1072                                         list[num_files] = (char *)malloc(l + 1);
1073                                         SDL_strlcpy(list[num_files], dir->d_name, l+1);
1074                                         if (info)
1075                                                 info[num_files].write_time = buf.st_mtime;
1076
1077                                         num_files++;
1078                                 }
1079                         }
1080
1081                         closedir(dirp);
1082                 }
1083 #else
1084         cf_create_default_path_string( filespec, pathtype, filter );
1085
1086         find_handle = _findfirst( filespec, &find );
1087         if (find_handle != -1) {
1088                 do {
1089                         if (num_files >= max)
1090                                 break;
1091
1092                         if (!(find.attrib & _A_SUBDIR)) {
1093                                 if ( !Get_file_list_filter || (*Get_file_list_filter)(find.name) ) {
1094                                         ptr = strrchr(find.name, '.');
1095                                         if (ptr)
1096                                                 l = ptr - find.name;
1097                                         else
1098                                                 l = strlen(find.name);
1099
1100                                         list[num_files] = (char *)malloc(l + 1);
1101                                         SDL_strlcpy(list[num_files], find.name, l+1);
1102                                         if (info)
1103                                                 info[num_files].write_time = find.time_write;
1104
1105                                         num_files++;
1106                                 }
1107                         }
1108
1109                 } while (!_findnext(find_handle, &find));
1110
1111                 _findclose( find_handle );
1112         }
1113 #endif
1114
1115         // Search all the packfiles and CD.
1116         if ( !Skip_packfile_search )    {
1117                 for (i=0; i<Num_files; i++ )    {
1118                         cf_file * f = cf_get_file(i);
1119
1120                         // only search paths we're supposed to...
1121                         if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index)  )    {
1122                                 continue;
1123                         }
1124
1125                         if (num_files >= max)
1126                                 break;
1127
1128                         if ( !cf_matches_spec( filter,f->name_ext))     {
1129                                 continue;
1130                         }
1131
1132                         if ( cf_file_already_in_list(num_files,list,f->name_ext))       {
1133                                 continue;
1134                         }
1135
1136                         if ( !Get_file_list_filter || (*Get_file_list_filter)(f->name_ext) ) {
1137
1138                                 //mprintf(( "Found '%s' in root %d path %d\n", f->name_ext, f->root_index, f->pathtype_index ));
1139
1140                                         ptr = strrchr(f->name_ext, '.');
1141                                         if (ptr)
1142                                                 l = ptr - f->name_ext;
1143                                         else
1144                                                 l = strlen(f->name_ext);
1145
1146                                         list[num_files] = (char *)malloc(l + 1);
1147                                         SDL_strlcpy(list[num_files], f->name_ext, l+1);
1148
1149                                 if (info)       {
1150                                         info[num_files].write_time = f->write_time;
1151                                 }
1152
1153                                 num_files++;
1154                         }
1155
1156                 }
1157         }
1158
1159
1160         if (sort != CF_SORT_NONE)       {
1161                 cf_sort_filenames( num_files, list, sort, info );
1162         }
1163
1164         if (own_flag)   {
1165                 free(info);
1166         }
1167
1168         Get_file_list_filter = NULL;
1169         return num_files;
1170 }
1171
1172 int cf_file_already_in_list_preallocated( int num_files, char arr[][MAX_FILENAME_LEN], const char *filename )
1173 {
1174         int i;
1175
1176         char name_no_extension[MAX_PATH_LEN];
1177
1178         SDL_strlcpy(name_no_extension, filename, sizeof(name_no_extension));
1179         char *p = SDL_strchr( name_no_extension, '.' );
1180         if ( p ) *p = 0;
1181
1182         for (i=0; i<num_files; i++ )    {
1183                 if ( !SDL_strcasecmp(arr[i], name_no_extension ) )      {
1184                         // Match found!
1185                         return 1;
1186                 }
1187         }
1188         // Not found
1189         return 0;
1190 }
1191
1192 // An alternative cf_get_file_list(), fixed array version.
1193 // This one has a 'type', which is a CF_TYPE_* value.  Because this specifies the directory
1194 // location, 'filter' only needs to be the filter itself, with no path information.
1195 // See above descriptions of cf_get_file_list() for more information about how it all works.
1196 int cf_get_file_list_preallocated( int max, char arr[][MAX_FILENAME_LEN], char **list, int pathtype, const char *filter, int sort, file_list_info *info )
1197 {
1198         int i, num_files = 0, own_flag = 0;
1199
1200         if (max < 1) {
1201                 Get_file_list_filter = NULL;
1202                 return 0;
1203         }
1204
1205         if (list) {
1206                 for (i=0; i<max; i++)   {
1207                         list[i] = arr[i];
1208                 }
1209         } else {
1210                 sort = CF_SORT_NONE;  // sorting of array directly not supported.  Sorting done on list only
1211         }
1212
1213         if (!info && (sort == CF_SORT_TIME)) {
1214                 info = (file_list_info *) malloc(sizeof(file_list_info) * max);
1215                 own_flag = 1;
1216         }
1217
1218         char filespec[MAX_PATH_LEN];
1219
1220         // Search the default directories
1221 #ifdef PLAT_UNIX
1222         cf_create_default_path_string( filespec, pathtype, NULL );
1223
1224                 DIR *dirp;
1225                 struct dirent *dir;
1226
1227                 dirp = opendir (filespec);
1228                 if ( dirp ) {
1229                         while ((dir = readdir (dirp)) != NULL)
1230                         {
1231                                 if (num_files >= max)
1232                                         break;
1233
1234                                 if (fnmatch(filter, dir->d_name, 0) != 0)
1235                                         continue;
1236
1237                                 char fn[MAX_PATH_LEN];
1238                                 SDL_snprintf(fn, MAX_PATH_LEN, "%s/%s", filespec, dir->d_name);
1239
1240                                 struct stat buf;
1241                                 if (stat(fn, &buf) == -1) {
1242                                         continue;
1243                                 }
1244
1245                                 if (!S_ISREG(buf.st_mode)) {
1246                                         continue;
1247                                 }
1248
1249                                 if ( !Get_file_list_filter || (*Get_file_list_filter)(dir->d_name) ) {
1250
1251                                         SDL_strlcpy(arr[num_files], dir->d_name, MAX_FILENAME_LEN);
1252                                         char *ptr = strrchr(arr[num_files], '.');
1253                                         if ( ptr ) {
1254                                                 *ptr = 0;
1255                                         }
1256
1257                                         if (info)       {
1258                                                 info[num_files].write_time = buf.st_mtime;
1259                                         }
1260
1261                                         num_files++;
1262                                 }
1263                         }
1264                         closedir(dirp);
1265                 }
1266 #else
1267         cf_create_default_path_string( filespec, pathtype, filter );
1268
1269         int find_handle;
1270         _finddata_t find;
1271
1272         find_handle = _findfirst( filespec, &find );
1273         if (find_handle != -1) {
1274                 do {
1275                         if (num_files >= max)
1276                                 break;
1277
1278                         if (!(find.attrib & _A_SUBDIR)) {
1279
1280                                 if ( !Get_file_list_filter || (*Get_file_list_filter)(find.name) ) {
1281
1282                                         SDL_strlcpy(arr[num_files], find.name, MAX_FILENAME_LEN);
1283                                         char *ptr = strrchr(arr[num_files], '.');
1284                                         if ( ptr ) {
1285                                                 *ptr = 0;
1286                                         }
1287
1288                                         if (info)       {
1289                                                 info[num_files].write_time = find.time_write;
1290                                         }
1291
1292                                         num_files++;
1293                                 }
1294                         }
1295
1296                 } while (!_findnext(find_handle, &find));
1297
1298                 _findclose( find_handle );
1299         }
1300 #endif
1301
1302
1303         // Search all the packfiles and CD.
1304         if ( !Skip_packfile_search )    {
1305                 for (i=0; i<Num_files; i++ )    {
1306                         cf_file * f = cf_get_file(i);
1307
1308                         // only search paths we're supposed to...
1309                         if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index)  )    {
1310                                 continue;
1311                         }
1312
1313                         if (num_files >= max)
1314                                 break;
1315
1316                         if ( !cf_matches_spec( filter,f->name_ext))     {
1317                                 continue;
1318                         }
1319
1320                         if ( cf_file_already_in_list_preallocated( num_files, arr, f->name_ext ))       {
1321                                 continue;
1322                         }
1323
1324                         if ( !Get_file_list_filter || (*Get_file_list_filter)(f->name_ext) ) {
1325
1326                                 //mprintf(( "Found '%s' in root %d path %d\n", f->name_ext, f->root_index, f->pathtype_index ));
1327
1328                                 SDL_strlcpy(arr[num_files], f->name_ext, MAX_FILENAME_LEN);
1329                                 char *ptr = strrchr(arr[num_files], '.');
1330                                 if ( ptr ) {
1331                                         *ptr = 0;
1332                                 }
1333
1334                                 if (info)       {
1335                                         info[num_files].write_time = f->write_time;
1336                                 }
1337
1338                                 num_files++;
1339                         }
1340
1341                 }
1342         }
1343
1344         if (sort != CF_SORT_NONE) {
1345                 SDL_assert(list);
1346                 cf_sort_filenames( num_files, list, sort, info );
1347         }
1348
1349         if (own_flag)   {
1350                 free(info);
1351         }
1352
1353         Get_file_list_filter = NULL;
1354         return num_files;
1355 }
1356
1357 // Returns the default storage path for files given a
1358 // particular pathtype.   In other words, the path to
1359 // the unpacked, non-cd'd, stored on hard drive path.
1360 // If filename isn't null it will also tack the filename
1361 // on the end, creating a completely valid filename.
1362 // Input:   pathtype  - CF_TYPE_??
1363 //          filename  - optional, if set, tacks the filename onto end of path.
1364 // Output:  path      - Fully qualified pathname.
1365 void cf_create_default_path_string( char *path, int pathtype, const char *filename, bool localize )
1366 {
1367 #ifdef PLAT_UNIX
1368         if ( filename && strpbrk(filename, "/")  ) {
1369 #else
1370         if ( filename && strpbrk(filename,"/\\:")  ) {
1371 #endif
1372                 // Already has full path
1373                 SDL_strlcpy( path, filename, MAX_PATH_LEN );
1374
1375         } else {
1376                 if ( cfile_init_paths() ) {
1377                         SDL_strlcpy(path, (filename) ? filename : "", MAX_PATH_LEN);
1378                         return;
1379                 }
1380
1381                 SDL_assert(CF_TYPE_SPECIFIED(pathtype));
1382
1383                 SDL_strlcpy(path, Cfile_user_dir, MAX_PATH_LEN);
1384                 SDL_strlcat(path, Pathtypes[pathtype].path, MAX_PATH_LEN);
1385
1386                 // Don't add slash for root directory
1387                 if (Pathtypes[pathtype].path[0] != '\0') {
1388                         SDL_strlcat(path, DIR_SEPARATOR_STR, MAX_PATH_LEN);
1389                 }
1390
1391                 // add filename
1392                 if (filename) {
1393                         SDL_strlcat(path, filename, MAX_PATH_LEN);
1394
1395                         // localize filename
1396                         if (localize) {
1397                                 // create copy of path
1398                                 char temp_path[MAX_PATH_LEN];
1399                                 SDL_strlcpy(temp_path, path, sizeof(temp_path));
1400
1401                                 // localize the path
1402                                 lcl_add_dir_to_path_with_filename(path, MAX_PATH_LEN);
1403
1404                                 // verify localized path
1405                                 FILE *fp = fopen(path, "rb");
1406                                 if (fp) {
1407                                         fclose(fp);
1408                                 } else {
1409                                         SDL_strlcpy(path, temp_path, sizeof(temp_path));
1410                                 }
1411                         }
1412                 }
1413         }
1414 }