2 * Copyright (C) Volition, Inc. 1999. All rights reserved.
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
10 * $Logfile: /Freespace2/code/CFile/CfileSystem.cpp $
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.
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
25 * Revision 1.10 2004/06/11 00:29:22 tigital
26 * byte-swapping changes for bigendian systems
28 * Revision 1.9 2003/05/27 03:03:11 taylor
29 * fix second root (gamedir) searching
31 * Revision 1.8 2003/02/20 17:41:07 theoddone33
32 * Userdir patch from Taylor Richards
34 * Revision 1.7 2002/06/22 23:57:39 relnev
35 * remove writable strings.
37 * fix compile for intel compiler.
39 * Revision 1.6 2002/06/09 04:41:15 relnev
40 * added copyright header
42 * Revision 1.5 2002/06/05 04:03:32 relnev
43 * finished cfilesystem.
45 * removed some old code.
47 * fixed mouse save off-by-one.
51 * Revision 1.4 2002/05/28 17:26:57 theoddone33
52 * Fill in some timer and palette setting stubs. Still no display
54 * Revision 1.3 2002/05/28 06:45:38 theoddone33
57 * Revision 1.2 2002/05/28 06:28:20 theoddone33
58 * Filesystem mods, actually reads some data files now
60 * Revision 1.1.1.1 2002/05/03 03:28:08 root
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.
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
74 * 4 2/22/99 10:31p Andsager
75 * Get rid of unneeded includes.
77 * 3 10/13/98 9:19a Andsager
78 * Add localization support to cfile. Optional parameter with cfopen that
79 * looks for localized files.
81 * 2 10/07/98 10:52a Dave
84 * 1 10/07/98 10:48a Dave
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.
90 * 13 6/23/98 4:18p Hoffoss
91 * Fixed some bugs with AC release build.
93 * 12 5/20/98 10:46p John
94 * Added code that doesn't include duplicate filenames in any file list
97 * 11 5/14/98 2:14p Lawrance2
98 * Use filespec filtering for packfiles
100 * 10 5/03/98 11:53a John
101 * Fixed filename case mangling.
103 * 9 5/02/98 11:06p Allender
104 * correctly deal with pack pathnames
106 * 8 5/01/98 11:41a Allender
107 * Fixed bug with mission saving in Fred.
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.
113 * 6 4/30/98 10:21p John
114 * Added code to cleanup cfilesystem
116 * 5 4/30/98 10:18p John
117 * added source safe header
130 #include <winbase.h> /* needed for memory mapping of file functions */
132 #include <sys/types.h>
135 #include <sys/stat.h>
140 //#include "outwnd.h"
141 //#include "vecmat.h"
144 #include "cfilesystem.h"
145 #include "localize.h"
148 #define CF_ROOTTYPE_PATH 0
149 #define CF_ROOTTYPE_PACK 1
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
161 // convenient type for sorting (see cf_build_pack_list())
162 typedef struct cf_root_sort {
163 char path[CF_MAX_PATHNAME_LENGTH];
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)
172 typedef struct cf_root_block {
173 cf_root roots[CF_NUM_ROOTS_PER_BLOCK];
176 static int Num_roots = 0;
177 static cf_root_block *Root_blocks[CF_MAX_ROOT_BLOCKS];
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.
190 #define CF_NUM_FILES_PER_BLOCK 256
191 #define CF_MAX_FILE_BLOCKS 128 // Can store 256*128 = 32768 files
193 typedef struct cf_file_block {
194 cf_file files[CF_NUM_FILES_PER_BLOCK];
197 static int Num_files = 0;
198 static cf_file_block *File_blocks[CF_MAX_FILE_BLOCKS];
201 // Return a pointer to to file 'index'.
202 cf_file *cf_get_file(int index)
204 int block = index / CF_NUM_FILES_PER_BLOCK;
205 int offset = index % CF_NUM_FILES_PER_BLOCK;
207 return &File_blocks[block]->files[offset];
210 // Create a new file and return a pointer to it.
211 cf_file *cf_create_file()
213 int block = Num_files / CF_NUM_FILES_PER_BLOCK;
214 int offset = Num_files % CF_NUM_FILES_PER_BLOCK;
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);
223 return &File_blocks[block]->files[offset];
226 extern int cfile_inited;
228 // Create a new root and return a pointer to it. The structure is assumed unitialized.
229 cf_root *cf_get_root(int n)
231 int block = n / CF_NUM_ROOTS_PER_BLOCK;
232 int offset = n % CF_NUM_ROOTS_PER_BLOCK;
237 return &Root_blocks[block]->roots[offset];
241 // Create a new root and return a pointer to it. The structure is assumed unitialized.
242 cf_root *cf_create_root()
244 int block = Num_roots / CF_NUM_ROOTS_PER_BLOCK;
245 int offset = Num_roots % CF_NUM_ROOTS_PER_BLOCK;
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);
254 return &Root_blocks[block]->roots[offset];
257 // return the # of packfiles which exist
258 int cf_get_packfile_count(cf_root *root)
260 char filespec[MAX_PATH_LEN];
264 // count up how many packfiles we're gonna have
266 for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
268 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
270 if(strlen(Pathtypes[i].path)){
271 SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
272 SDL_strlcat( filespec, "/", sizeof(filespec) );
278 dirp = opendir (filespec);
280 while ((dir = readdir (dirp)) != NULL)
282 if (!fnmatch ("*.vp", dir->d_name, 0))
288 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
290 if(strlen(Pathtypes[i].path)){
291 SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
292 SDL_strlcat( filespec, "\\", sizeof(filespec) );
295 SDL_strlcat( filespec, "*.vp", sizeof(filespec) );
300 find_handle = _findfirst( filespec, &find );
302 if (find_handle != -1) {
304 if (!(find.attrib & _A_SUBDIR)) {
308 } while (!_findnext(find_handle, &find));
310 _findclose( find_handle );
315 return packfile_count;
318 // packfile sort function
319 int cf_packfile_sort_func(const void *elem1, const void *elem2)
321 cf_root_sort *r1, *r2;
322 r1 = (cf_root_sort*)elem1;
323 r2 = (cf_root_sort*)elem2;
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);
330 // otherwise return them in order of CF_TYPE_* precedence
331 return (r1->cf_type < r2->cf_type) ? -1 : 1;
334 // Go through a root and look for pack files
335 void cf_build_pack_list( cf_root *root )
337 char filespec[MAX_PATH_LEN];
339 cf_root_sort *temp_roots_sort, *rptr_sort;
340 int temp_root_count, root_index;
342 // determine how many packfiles there are
343 temp_root_count = cf_get_packfile_count(root);
344 if(temp_root_count <= 0){
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){
355 // now just setup all the root info
357 for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
360 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
362 if(strlen(Pathtypes[i].path)){
363 SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
364 SDL_strlcat( filespec, "/", sizeof(filespec) );
370 dirp = opendir (filespec);
372 while ((dir = readdir (dirp)) != NULL)
374 if (!fnmatch ("*.vp", dir->d_name, 0))
376 SDL_assert(root_index < temp_root_count);
379 SDL_snprintf(fn, sizeof(fn), "%s/%s", filespec, dir->d_name);
382 if (stat(fn, &buf) == -1) {
386 if (!S_ISREG(buf.st_mode)) {
390 // get a temp pointer
391 rptr_sort = &temp_roots_sort[root_index++];
393 // fill in all the proper info
394 SDL_strlcpy(rptr_sort->path, root->path, sizeof(rptr_sort->path));
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));
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;
409 SDL_strlcpy( filespec, root->path, sizeof(filespec) );
411 if(strlen(Pathtypes[i].path)){
412 SDL_strlcat( filespec, Pathtypes[i].path, sizeof(filespec) );
413 SDL_strlcat( filespec, "\\", sizeof(filespec) );
415 SDL_strlcat( filespec, "*.vp", sizeof(filespec) );
419 find_handle = _findfirst( filespec, &find );
421 if (find_handle != -1) {
424 if (!(find.attrib & _A_SUBDIR)) {
425 SDL_assert(root_index < temp_root_count);
427 // get a temp pointer
428 rptr_sort = &temp_roots_sort[root_index++];
430 // fill in all the proper info
431 SDL_strlcpy(rptr_sort->path, root->path, sizeof(rptr_sort->path));
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));
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;
443 } while (!_findnext(find_handle, &find));
445 _findclose( find_handle );
450 // these should always be the same
451 SDL_assert(root_index == temp_root_count);
454 qsort(temp_roots_sort, temp_root_count, sizeof(cf_root_sort), cf_packfile_sort_func);
456 // now insert them all into the real root list properly
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) );
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;
468 // free up the temp list
469 free(temp_roots_sort);
473 void cf_build_root_list(const char *extras_dir)
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) );
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
488 root->roottype = CF_ROOTTYPE_PATH;
490 //======================================================
491 // then check any VP files under the directory.
492 cf_build_pack_list(root);
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) );
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
503 root->roottype = CF_ROOTTYPE_PATH;
505 //======================================================
506 // then check any VP files under the current directory.
507 cf_build_pack_list(root);
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;
517 //======================================================
518 // Next, check any VP files in the CD-ROM directory.
519 cf_build_pack_list(root);
523 // Given a lower case list of file extensions
524 // separated by spaces, return zero if ext is
526 int is_ext_in_list( const char *ext_list, char *ext )
530 SDL_strlcpy( tmp_ext, ext, sizeof(tmp_ext) );
532 if ( strstr(ext_list, tmp_ext )) {
539 void cf_search_root_path(int root_index)
543 cf_root *root = cf_get_root(root_index);
545 mprintf(( "Searching root '%s'\n", root->path ));
547 char search_path[CF_MAX_PATHNAME_LENGTH];
549 for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
551 SDL_strlcpy( search_path, root->path, sizeof(search_path) );
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) );
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)) ) {
569 dirp = opendir (search_path);
571 while ((dir = readdir (dirp)) != NULL)
573 if (!fnmatch ("*.*", dir->d_name, 0))
576 SDL_snprintf(fn, MAX_PATH, "%s/%s", search_path, dir->d_name);
579 if (stat(fn, &buf) == -1) {
583 if (!S_ISREG(buf.st_mode)) {
587 char *ext = SDL_strchr( dir->d_name, '.' );
589 if ( is_ext_in_list( Pathtypes[i].extensions, ext ) ) {
591 cf_file *file = cf_create_file();
593 SDL_strlcpy( file->name_ext, dir->d_name, sizeof(file->name_ext) );
594 file->root_index = root_index;
595 file->pathtype_index = i;
598 file->write_time = buf.st_mtime;
599 file->size = buf.st_size;
601 file->pack_offset = 0; // Mark as a non-packed file
603 //mprintf(( "Found file '%s'\n", file->name_ext ));
611 SDL_strlcat( search_path, "*.*", sizeof(search_path) );
616 find_handle = _findfirst( search_path, &find );
618 if (find_handle != -1) {
620 if (!(find.attrib & _A_SUBDIR)) {
622 char *ext = SDL_strchr( find.name, '.' );
624 if ( is_ext_in_list( Pathtypes[i].extensions, ext ) ) {
626 cf_file *file = cf_create_file();
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
635 //mprintf(( "Found file '%s'\n", file->name_ext ));
642 } while (!_findnext(find_handle, &find));
644 _findclose( find_handle );
652 typedef struct VP_FILE_HEADER {
659 typedef struct VP_FILE {
663 fs_time_t write_time;
666 void cf_search_root_pack(int root_index)
670 cf_root *root = cf_get_root(root_index);
672 //mprintf(( "Searching root pack '%s'\n", root->path ));
676 FILE *fp = fopen( root->path, "rb" );
677 // Read the file header
682 VP_FILE_HEADER VP_header;
684 SDL_assert( sizeof(VP_header) == 16 );
685 fread(&VP_header, 1, sizeof(VP_header), fp);
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);
692 fseek(fp, VP_header.index_offset, SEEK_SET);
694 char search_path[CF_MAX_PATHNAME_LENGTH];
696 SDL_strlcpy( search_path, "", sizeof(search_path) );
698 // Go through all the files
699 for (i=0; i<VP_header.num_files; i++ ) {
702 fread( &find, sizeof(VP_FILE), 1, fp );
704 find.offset = INTEL_INT( find.offset );
705 find.size = INTEL_INT( find.size );
706 find.write_time = INTEL_INT(find.write_time);
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) ) {
717 if ( strlen(search_path) ) {
718 SDL_strlcat( search_path, DIR_SEPARATOR_STR, sizeof(search_path) );
720 SDL_strlcat( search_path, find.filename, sizeof(search_path) );
723 //mprintf(( "Current dir = '%s'\n", search_path ));
727 for (j=CF_TYPE_ROOT; j<CF_MAX_PATH_TYPES; j++ ) {
729 if ( !SDL_strcasecmp( search_path, Pathtypes[j].path )) {
731 char *ext = SDL_strchr( find.filename, '.' );
733 if ( is_ext_in_list( Pathtypes[j].extensions, ext ) ) {
735 cf_file *file = cf_create_file();
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
744 //mprintf(( "Found pack file '%s'\n", file->name_ext ));
758 void cf_build_file_list()
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);
777 void cf_build_secondary_filelist(const char *extras_dir)
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);
795 // Init the root blocks
796 for (i=0; i<CF_MAX_ROOT_BLOCKS; i++ ) {
797 Root_blocks[i] = NULL;
800 // Init the file blocks
801 for (i=0; i<CF_MAX_FILE_BLOCKS; i++ ) {
802 File_blocks[i] = NULL;
805 mprintf(( "Building file index...\n" ));
807 // build the list of searchable roots
808 cf_build_root_list(extras_dir);
810 // build the list of files themselves
811 cf_build_file_list();
813 mprintf(( "Found %d roots and %d files.\n", Num_roots, Num_files ));
816 void cf_free_secondary_filelist()
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;
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;
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.
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 )
851 SDL_assert(filespec && strlen(filespec));
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
859 // NOTE: full path should also include localization, if so desired
861 if ( strpbrk(filespec, "/") ) {
863 if ( strpbrk(filespec,"/\\:") ) { // do we have a full path already?
865 FILE *fp = fopen(filespec, "rb" );
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 );
876 return 0; // If they give a full path, fail if not found.
879 // Search the hard drive for files first.
880 int num_search_dirs = 0;
881 int search_order[CF_MAX_PATH_TYPES];
883 if ( CF_TYPE_SPECIFIED(pathtype) ) {
884 search_order[num_search_dirs++] = pathtype;
887 for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++) {
888 if ( i != pathtype ) {
889 search_order[num_search_dirs++] = i;
893 for (i=0; i<num_search_dirs; i++ ) {
894 char longname[MAX_PATH_LEN];
896 cf_create_default_path_string( longname, search_order[i], filespec, localize );
898 FILE *fp = fopen(longname, "rb" );
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 );
910 // Search the pak files and CD-ROM.
912 for (i=0; i<Num_files; i++ ) {
913 cf_file * f = cf_get_file(i);
915 // only search paths we're supposed to...
916 if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index) ) {
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));
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);
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 );
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);
950 SDL_strlcpy( pack_filename, r->path, MAX_PATH_LEN );
951 if ( f->pack_offset < 1 ) {
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 );
958 SDL_strlcat( pack_filename, f->name_ext, MAX_PATH_LEN );
969 // Returns true if filename matches filespec, else zero if not
970 int cf_matches_spec(const char *filespec, const char *filename)
972 const char *src_ext, *dst_ext;
974 src_ext = SDL_strchr(filespec, '.');
980 dst_ext = SDL_strchr(filename, '.');
984 return !SDL_strcasecmp(dst_ext, src_ext);
987 int (*Get_file_list_filter)(const char *filename) = NULL;
988 int Skip_packfile_search = 0;
990 int cf_file_already_in_list( int num_files, char **list, char *filename )
994 char name_no_extension[MAX_PATH_LEN];
996 SDL_strlcpy(name_no_extension, filename, sizeof(name_no_extension));
997 char *p = SDL_strchr( name_no_extension, '.' );
1000 for (i=0; i<num_files; i++ ) {
1001 if ( !SDL_strcasecmp(list[i], name_no_extension ) ) {
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 )
1017 int i, l, num_files = 0, own_flag = 0;
1024 Get_file_list_filter = NULL;
1030 if (!info && (sort == CF_SORT_TIME)) {
1031 info = (file_list_info *) malloc(sizeof(file_list_info) * max);
1035 char filespec[MAX_PATH_LEN];
1038 cf_create_default_path_string( filespec, pathtype, NULL );
1043 dirp = opendir (filespec);
1045 while ((dir = readdir (dirp)) != NULL)
1047 if (num_files >= max)
1050 if (fnmatch(filter, dir->d_name, 0) != 0)
1054 SDL_snprintf(fn, MAX_PATH, "%s/%s", filespec, dir->d_name);
1057 if (stat(fn, &buf) == -1) {
1061 if (!S_ISREG(buf.st_mode)) {
1065 if ( !Get_file_list_filter || (*Get_file_list_filter)(dir->d_name) ) {
1066 ptr = strrchr(dir->d_name, '.');
1068 l = ptr - dir->d_name;
1070 l = strlen(dir->d_name);
1072 list[num_files] = (char *)malloc(l + 1);
1073 SDL_strlcpy(list[num_files], dir->d_name, l+1);
1075 info[num_files].write_time = buf.st_mtime;
1084 cf_create_default_path_string( filespec, pathtype, filter );
1086 find_handle = _findfirst( filespec, &find );
1087 if (find_handle != -1) {
1089 if (num_files >= max)
1092 if (!(find.attrib & _A_SUBDIR)) {
1093 if ( !Get_file_list_filter || (*Get_file_list_filter)(find.name) ) {
1094 ptr = strrchr(find.name, '.');
1096 l = ptr - find.name;
1098 l = strlen(find.name);
1100 list[num_files] = (char *)malloc(l + 1);
1101 SDL_strlcpy(list[num_files], find.name, l+1);
1103 info[num_files].write_time = find.time_write;
1109 } while (!_findnext(find_handle, &find));
1111 _findclose( find_handle );
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);
1120 // only search paths we're supposed to...
1121 if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index) ) {
1125 if (num_files >= max)
1128 if ( !cf_matches_spec( filter,f->name_ext)) {
1132 if ( cf_file_already_in_list(num_files,list,f->name_ext)) {
1136 if ( !Get_file_list_filter || (*Get_file_list_filter)(f->name_ext) ) {
1138 //mprintf(( "Found '%s' in root %d path %d\n", f->name_ext, f->root_index, f->pathtype_index ));
1140 ptr = strrchr(f->name_ext, '.');
1142 l = ptr - f->name_ext;
1144 l = strlen(f->name_ext);
1146 list[num_files] = (char *)malloc(l + 1);
1147 SDL_strlcpy(list[num_files], f->name_ext, l+1);
1150 info[num_files].write_time = f->write_time;
1160 if (sort != CF_SORT_NONE) {
1161 cf_sort_filenames( num_files, list, sort, info );
1168 Get_file_list_filter = NULL;
1172 int cf_file_already_in_list_preallocated( int num_files, char arr[][MAX_FILENAME_LEN], const char *filename )
1176 char name_no_extension[MAX_PATH_LEN];
1178 SDL_strlcpy(name_no_extension, filename, sizeof(name_no_extension));
1179 char *p = SDL_strchr( name_no_extension, '.' );
1182 for (i=0; i<num_files; i++ ) {
1183 if ( !SDL_strcasecmp(arr[i], name_no_extension ) ) {
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 )
1198 int i, num_files = 0, own_flag = 0;
1201 Get_file_list_filter = NULL;
1206 for (i=0; i<max; i++) {
1210 sort = CF_SORT_NONE; // sorting of array directly not supported. Sorting done on list only
1213 if (!info && (sort == CF_SORT_TIME)) {
1214 info = (file_list_info *) malloc(sizeof(file_list_info) * max);
1218 char filespec[MAX_PATH_LEN];
1220 // Search the default directories
1222 cf_create_default_path_string( filespec, pathtype, NULL );
1227 dirp = opendir (filespec);
1229 while ((dir = readdir (dirp)) != NULL)
1231 if (num_files >= max)
1234 if (fnmatch(filter, dir->d_name, 0) != 0)
1238 SDL_snprintf(fn, MAX_PATH, "%s/%s", filespec, dir->d_name);
1241 if (stat(fn, &buf) == -1) {
1245 if (!S_ISREG(buf.st_mode)) {
1249 if ( !Get_file_list_filter || (*Get_file_list_filter)(dir->d_name) ) {
1251 SDL_strlcpy(arr[num_files], dir->d_name, MAX_FILENAME_LEN);
1252 char *ptr = strrchr(arr[num_files], '.');
1258 info[num_files].write_time = buf.st_mtime;
1267 cf_create_default_path_string( filespec, pathtype, filter );
1272 find_handle = _findfirst( filespec, &find );
1273 if (find_handle != -1) {
1275 if (num_files >= max)
1278 if (!(find.attrib & _A_SUBDIR)) {
1280 if ( !Get_file_list_filter || (*Get_file_list_filter)(find.name) ) {
1282 SDL_strlcpy(arr[num_files], find.name, MAX_FILENAME_LEN);
1283 char *ptr = strrchr(arr[num_files], '.');
1289 info[num_files].write_time = find.time_write;
1296 } while (!_findnext(find_handle, &find));
1298 _findclose( find_handle );
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);
1308 // only search paths we're supposed to...
1309 if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index) ) {
1313 if (num_files >= max)
1316 if ( !cf_matches_spec( filter,f->name_ext)) {
1320 if ( cf_file_already_in_list_preallocated( num_files, arr, f->name_ext )) {
1324 if ( !Get_file_list_filter || (*Get_file_list_filter)(f->name_ext) ) {
1326 //mprintf(( "Found '%s' in root %d path %d\n", f->name_ext, f->root_index, f->pathtype_index ));
1328 SDL_strlcpy(arr[num_files], f->name_ext, MAX_FILENAME_LEN);
1329 char *ptr = strrchr(arr[num_files], '.');
1335 info[num_files].write_time = f->write_time;
1344 if (sort != CF_SORT_NONE) {
1346 cf_sort_filenames( num_files, list, sort, info );
1353 Get_file_list_filter = NULL;
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 )
1368 if ( filename && strpbrk(filename, "/") ) {
1370 if ( filename && strpbrk(filename,"/\\:") ) {
1372 // Already has full path
1373 SDL_strlcpy( path, filename, MAX_PATH_LEN );
1376 if ( cfile_init_paths() ) {
1377 SDL_strlcpy(path, (filename) ? filename : "", MAX_PATH_LEN);
1381 SDL_assert(CF_TYPE_SPECIFIED(pathtype));
1383 SDL_strlcpy(path, Cfile_user_dir, MAX_PATH_LEN);
1384 SDL_strlcat(path, Pathtypes[pathtype].path, MAX_PATH_LEN);
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);
1393 SDL_strlcat(path, filename, MAX_PATH_LEN);
1395 // localize filename
1397 // create copy of path
1398 char temp_path[MAX_PATH_LEN];
1399 SDL_strlcpy(temp_path, path, sizeof(temp_path));
1401 // localize the path
1402 lcl_add_dir_to_path_with_filename(path, MAX_PATH_LEN);
1404 // verify localized path
1405 FILE *fp = fopen(path, "rb");
1409 SDL_strlcpy(path, temp_path, sizeof(temp_path));