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fs2open.github.com/code/cfile/cfilesystem.cpp
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/*
* Copyright (C) Volition, Inc. 1999. All rights reserved.
*
* All source code herein is the property of Volition, Inc. You may not sell
* or otherwise commercially exploit the source or things you created based on the
* source.
*
*/
/*
* $Logfile: /Freespace2/code/CFile/CfileSystem.cpp $
* $Revision: 2.30 $
* $Date: 2005-10-23 11:44:07 $
* $Author: taylor $
*
* Functions to keep track of and find files that can exist
* on the harddrive, cd-rom, or in a pack file on either of those.
* This keeps a list of all the files in packfiles or on CD-rom
* and when you need a file you call one function which then searches
* all those locations, inherently enforcing precedence orders.
*
* $Log: not supported by cvs2svn $
* Revision 2.29 2005/10/23 05:37:59 wmcoolmon
* Ack, missed testing compile under an Inferno build
*
* Revision 2.28 2005/10/17 00:13:28 wmcoolmon
* Some cfile changes that slipped by
*
* Revision 2.27 2005/10/16 23:15:46 wmcoolmon
* Hardened cfile against array overflows
*
* Revision 2.26 2005/05/12 17:49:10 taylor
* use vm_malloc(), vm_free(), vm_realloc(), vm_strdup() rather than system named macros
* fixes various problems and is past time to make the switch
*
* Revision 2.25 2005/01/30 12:50:08 taylor
* merge with Linux/OSX tree - p0130
*
* Revision 2.24 2004/11/21 11:27:31 taylor
* some 64-bit OS comaptibility fixes
*
* Revision 2.23 2004/10/31 21:28:38 taylor
* support new pilot code, Linux code tree merge, don't use same pilot directory for Inferno builds
*
* Revision 2.22 2004/07/26 20:47:25 Kazan
* remove MCD complete
*
* Revision 2.21 2004/07/17 09:26:00 taylor
* add CF_SORT_REVERSE to real sort routine, makes CF_SORT_TIME work again
*
* Revision 2.20 2004/07/12 16:32:42 Kazan
* MCD - define _MCD_CHECK to use memory tracking
*
* Revision 2.19 2004/05/26 22:02:36 wmcoolmon
* Fixed cf_matches_spec; small bug was introduced.
*
* Revision 2.18 2004/05/26 21:02:26 wmcoolmon
* Added weapons_expl modular table, updated cfilesystem to work with modular tables, fixed loading order, fixed ship loading error messages
*
* Revision 2.17 2004/05/03 21:22:19 Kazan
* Abandon strdup() usage for mod list processing - it was acting odd and causing crashing on free()
* Fix condition where alt_tab_pause() would flipout and trigger failed assert if game minimizes during startup (like it does a lot during debug)
* Nav Point / Auto Pilot code (All disabled via #ifdefs)
*
* Revision 2.16 2004/05/01 21:47:43 Kazan
* bah! stupid me "NULL" not "null" - i hate when i do that
*
* Revision 2.15 2004/05/01 21:45:31 Kazan
* changed delete[] to free(), checked for null, if null ERROR
*
* Revision 2.14 2004/05/01 19:49:31 Kazan
* delete[] str_temp
* A null check on str_temp is not needed - take a close look at the for loop
*
* Revision 2.13 2004/05/01 19:33:20 taylor
* add CF_TYPE_MISSIONS to physical check to avoid network transfer problems
*
* Revision 2.12 2004/05/01 17:10:37 Kazan
* Multiple -mod - "-mod ModA,ModB,ModC" in order of priority
* Giving you:
* Root: ModA
* Root: ModB
* Root: ModC
* Root: Fs2Default
* Root: CDRom
*
* Revision 2.11 2004/04/26 00:26:37 taylor
* use absolute moddir path, faster cfilesystem searching
*
* Revision 2.10 2004/04/03 18:11:19 Kazan
* FRED fixes
*
* Revision 2.9 2004/03/05 09:01:54 Goober5000
* Uber pass at reducing #includes
* --Goober5000
*
* Revision 2.8 2003/09/14 18:32:41 wmcoolmon
* Added "-safeloading" command line parameter, which uses old fs2_retail-style loading code -C
*
* Revision 2.7 2003/08/20 08:14:50 wmcoolmon
* Modified find_file_location to speed up file loading.
*
* Revision 2.6 2002/11/10 16:28:08 DTP
* -DTP reworked mod support,
*
* Revision 2.5 2002/10/30 06:29:45 DTP
* doh!, used upper case in include, dont know how much it matters for *nix systems, but here it is
*
* Revision 2.4 2002/10/30 06:26:11 DTP
* DTP Implemented basic VP files handling. mission and campaign files inside VP files found in mod dir still not supported, cheking / creating directories not implented either
*
* Revision 2.3 2002/08/01 01:41:04 penguin
* The big include file move
*
* Revision 2.2 2002/07/29 19:52:48 penguin
* added #ifdef _WIN32 around windows-specific system headers
*
* Revision 2.1 2002/07/07 19:55:58 penguin
* Back-port to MSVC
*
* Revision 2.0 2002/06/03 04:02:21 penguin
* Warpcore CVS sync
*
* Revision 1.6 2002/05/24 16:44:10 mharris
* Fix unix "find files" operations so they return relative path
*
* Revision 1.5 2002/05/21 15:38:00 mharris
* Unix glob changes -- still needs some work as we are getting full pathnames
*
* Revision 1.4 2002/05/17 23:38:33 mharris
* Fixed silly bug in unix find-files code
*
* Revision 1.3 2002/05/16 06:03:29 mharris
* Unix port changes
*
* Revision 1.2 2002/05/07 13:22:52 mharris
* Added errno.h include
*
* Revision 1.1 2002/05/02 18:03:04 mharris
* Initial checkin - converted filenames and includes to lower case
*
*
* 6 9/08/99 10:01p Dave
* Make sure game won't run in a drive's root directory. Make sure
* standalone routes suqad war messages properly to the host.
*
* 5 9/03/99 1:31a Dave
* CD checking by act. Added support to play 2 cutscenes in a row
* seamlessly. Fixed super low level cfile bug related to files in the
* root directory of a CD. Added cheat code to set campaign mission # in
* main hall.
*
* 4 2/22/99 10:31p Andsager
* Get rid of unneeded includes.
*
* 3 10/13/98 9:19a Andsager
* Add localization support to cfile. Optional parameter with cfopen that
* looks for localized files.
*
* 2 10/07/98 10:52a Dave
* Initial checkin.
*
* 1 10/07/98 10:48a Dave
*
* 14 8/31/98 2:06p Dave
* Make cfile sort the ordering or vp files. Added support/checks for
* recognizing "mission disk" players.
*
* 13 6/23/98 4:18p Hoffoss
* Fixed some bugs with AC release build.
*
* 12 5/20/98 10:46p John
* Added code that doesn't include duplicate filenames in any file list
* functions.
*
* 11 5/14/98 2:14p Lawrance2
* Use filespec filtering for packfiles
*
* 10 5/03/98 11:53a John
* Fixed filename case mangling.
*
* 9 5/02/98 11:06p Allender
* correctly deal with pack pathnames
*
* 8 5/01/98 11:41a Allender
* Fixed bug with mission saving in Fred.
*
* 7 5/01/98 10:21a John
* Added code to find all pack files in all trees. Added code to create
* any directories that we write to.
*
* 6 4/30/98 10:21p John
* Added code to cleanup cfilesystem
*
* 5 4/30/98 10:18p John
* added source safe header
*
* $NoKeywords: $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#ifdef _WIN32
#include <io.h>
#include <direct.h>
#include <windows.h>
#include <winbase.h> /* needed for memory mapping of file functions */
#endif
#ifdef SCP_UNIX
#include <glob.h>
#include <sys/types.h>
#include <dirent.h>
#include <fnmatch.h>
#include <sys/stat.h>
#include <unistd.h>
#endif
#include "cmdline/cmdline.h"
#include "cfile/cfile.h"
#include "cfile/cfilesystem.h"
#include "localization/localize.h"
#define CF_ROOTTYPE_PATH 0
#define CF_ROOTTYPE_PACK 1
// for a defined and specifically set location to get/send pilot/campaign files
char *Pilot_file_path = NULL;
// Created by:
// specifying hard drive tree
// searching for pack files on hard drive // Found by searching all known paths
// specifying cd-rom tree
// searching for pack files on CD-rom tree
typedef struct cf_root {
char path[CF_MAX_PATHNAME_LENGTH]; // Contains something like c:\projects\freespace or c:\projects\freespace\freespace.vp
int roottype; // CF_ROOTTYPE_PATH = Path, CF_ROOTTYPE_PACK =Pack file
} cf_root;
// convenient type for sorting (see cf_build_pack_list())
typedef struct cf_root_sort {
char path[CF_MAX_PATHNAME_LENGTH];
int roottype;
int cf_type;
} cf_root_sort;
#define CF_NUM_ROOTS_PER_BLOCK 32
#define CF_MAX_ROOT_BLOCKS 256 // Can store 32*256 = 8192 Roots
#define CF_MAX_ROOTS (CF_NUM_ROOTS_PER_BLOCK * CF_MAX_ROOT_BLOCKS)
typedef struct cf_root_block {
cf_root roots[CF_NUM_ROOTS_PER_BLOCK];
} cf_root_block;
static int Num_roots = 0;
static cf_root_block *Root_blocks[CF_MAX_ROOT_BLOCKS];
static int Num_path_roots = 0;
// Created by searching all roots in order. This means Files is then sorted by precedence.
typedef struct cf_file {
char name_ext[CF_MAX_FILENAME_LENGTH]; // Filename and extension
int root_index; // Where in Roots this is located
int pathtype_index; // Where in Paths this is located
time_t write_time; // When it was last written
int size; // How big it is in bytes
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.
} cf_file;
#define CF_NUM_FILES_PER_BLOCK 256
#define CF_MAX_FILE_BLOCKS 128 // Can store 256*128 = 32768 files
typedef struct cf_file_block {
cf_file files[CF_NUM_FILES_PER_BLOCK];
} cf_file_block;
static int Num_files = 0;
static cf_file_block *File_blocks[CF_MAX_FILE_BLOCKS];
// Return a pointer to to file 'index'.
cf_file *cf_get_file(int index)
{
int block = index / CF_NUM_FILES_PER_BLOCK;
int offset = index % CF_NUM_FILES_PER_BLOCK;
return &File_blocks[block]->files[offset];
}
// Create a new file and return a pointer to it.
cf_file *cf_create_file()
{
int block = Num_files / CF_NUM_FILES_PER_BLOCK;
int offset = Num_files % CF_NUM_FILES_PER_BLOCK;
if ( File_blocks[block] == NULL ) {
File_blocks[block] = (cf_file_block *)vm_malloc( sizeof(cf_file_block) );
Assert( File_blocks[block] != NULL);
}
Num_files++;
return &File_blocks[block]->files[offset];
}
extern int cfile_inited;
// Create a new root and return a pointer to it. The structure is assumed unitialized.
cf_root *cf_get_root(int n)
{
int block = n / CF_NUM_ROOTS_PER_BLOCK;
int offset = n % CF_NUM_ROOTS_PER_BLOCK;
if (!cfile_inited)
return NULL;
return &Root_blocks[block]->roots[offset];
}
// Create a new root and return a pointer to it. The structure is assumed unitialized.
cf_root *cf_create_root()
{
int block = Num_roots / CF_NUM_ROOTS_PER_BLOCK;
int offset = Num_roots % CF_NUM_ROOTS_PER_BLOCK;
if ( Root_blocks[block] == NULL ) {
Root_blocks[block] = (cf_root_block *)vm_malloc( sizeof(cf_root_block) );
Assert(Root_blocks[block] != NULL);
}
Num_roots++;
return &Root_blocks[block]->roots[offset];
}
// return the # of packfiles which exist
int cf_get_packfile_count(cf_root *root)
{
char filespec[MAX_PATH_LEN];
int i;
int packfile_count;
// count up how many packfiles we're gonna have
packfile_count = 0;
for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ )
{
strcpy( filespec, root->path );
if(strlen(Pathtypes[i].path))
{
if(strlen(filespec) + strlen(Pathtypes[i].path) + strlen(DIR_SEPARATOR_STR)
>= sizeof(filespec))
{
Warning(LOCATION, "Path '%s' too long to add '%s' safely.", filespec, Pathtypes[i].path);
continue;
}
strcat( filespec, Pathtypes[i].path );
if ( filespec[strlen(filespec)-1] != DIR_SEPARATOR_CHAR )
{
strcat( filespec, DIR_SEPARATOR_STR );
}
}
#if defined _WIN32
if(strlen(filespec) + 4 >= sizeof(filespec)) {
Warning(LOCATION, "Could not concatenate '*.vp' to filespec; path too long.");
continue;
}
strcat( filespec, "*.vp" );
int find_handle;
_finddata_t find;
find_handle = _findfirst( filespec, &find );
if (find_handle != -1) {
do {
if (!(find.attrib & _A_SUBDIR)) {
packfile_count++;
}
} while (!_findnext(find_handle, &find));
_findclose( find_handle );
}
#elif defined SCP_UNIX
if(strlen(filespec) + 10 >= sizeof(filespec)) {
Warning(LOCATION, "Could not concatenate '*.vp' to filespec; path too long.");
continue;
}
strcat( filespec, "*.[vV][pP]" );
glob_t globinfo;
memset(&globinfo, 0, sizeof(globinfo));
int status = glob(filespec, 0, NULL, &globinfo);
if (status == 0) {
for (unsigned int j = 0; j < globinfo.gl_pathc; j++) {
// Determine if this is a regular file
struct stat statbuf;
memset(&statbuf, 0, sizeof(statbuf));
stat(globinfo.gl_pathv[j], &statbuf);
if (S_ISREG(statbuf.st_mode)) {
packfile_count++;
}
}
globfree(&globinfo);
}
#endif
}
return packfile_count;
}
// packfile sort function
int cf_packfile_sort_func(const void *elem1, const void *elem2)
{
cf_root_sort *r1, *r2;
r1 = (cf_root_sort*)elem1;
r2 = (cf_root_sort*)elem2;
// if the 2 directory types are the same, do a string compare
if(r1->cf_type == r2->cf_type){
return stricmp(r1->path, r2->path);
}
// otherwise return them in order of CF_TYPE_* precedence
return (r1->cf_type < r2->cf_type) ? -1 : 1;
}
// Go through a root and look for pack files
void cf_build_pack_list( cf_root *root )
{
char filespec[MAX_PATH_LEN];
int i;
cf_root_sort *temp_roots_sort, *rptr_sort;
int temp_root_count, root_index;
// determine how many packfiles there are
temp_root_count = cf_get_packfile_count(root);
if(temp_root_count <= 0){
return;
}
// allocate a temporary array of temporary roots so we can easily sort them
temp_roots_sort = (cf_root_sort*)vm_malloc(sizeof(cf_root_sort) * temp_root_count);
if(temp_roots_sort == NULL){
Int3();
return;
}
// now just setup all the root info
root_index = 0;
for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
strcpy( filespec, root->path );
if(strlen(Pathtypes[i].path)) {
strcat( filespec, Pathtypes[i].path );
if ( filespec[strlen(filespec)-1] != DIR_SEPARATOR_CHAR ) {
strcat( filespec, DIR_SEPARATOR_STR );
}
}
#if defined _WIN32
strcat( filespec, "*.vp" );
int find_handle;
_finddata_t find;
find_handle = _findfirst( filespec, &find );
if (find_handle != -1) {
do {
// add the new item
if (!(find.attrib & _A_SUBDIR)) {
Assert(root_index < temp_root_count);
// get a temp pointer
rptr_sort = &temp_roots_sort[root_index++];
// fill in all the proper info
strcpy(rptr_sort->path, root->path);
if(strlen(Pathtypes[i].path)) {
strcat(rptr_sort->path, Pathtypes[i].path );
strcat(rptr_sort->path, DIR_SEPARATOR_STR);
}
strcat(rptr_sort->path, find.name );
rptr_sort->roottype = CF_ROOTTYPE_PACK;
rptr_sort->cf_type = i;
}
} while (!_findnext(find_handle, &find));
_findclose( find_handle );
}
#elif defined SCP_UNIX
strcat( filespec, "*.[vV][pP]" );
glob_t globinfo;
memset(&globinfo, 0, sizeof(globinfo));
int status = glob(filespec, 0, NULL, &globinfo);
if (status == 0) {
for (unsigned int j = 0; j < globinfo.gl_pathc; j++) {
// Determine if this is a regular file
struct stat statbuf;
memset(&statbuf, 0, sizeof(statbuf));
stat(globinfo.gl_pathv[j], &statbuf);
if (S_ISREG(statbuf.st_mode)) {
Assert(root_index < temp_root_count);
// get a temp pointer
rptr_sort = &temp_roots_sort[root_index++];
// fill in all the proper info
strcpy(rptr_sort->path, globinfo.gl_pathv[j] );
rptr_sort->roottype = CF_ROOTTYPE_PACK;
rptr_sort->cf_type = i;
}
}
globfree(&globinfo);
}
#endif
}
// these should always be the same
Assert(root_index == temp_root_count);
// sort tht roots
qsort(temp_roots_sort, temp_root_count, sizeof(cf_root_sort), cf_packfile_sort_func);
// now insert them all into the real root list properly
cf_root *new_root;
for(i=0; i<temp_root_count; i++){
new_root = cf_create_root();
strcpy( new_root->path, root->path );
// mwa -- 4/2/98 put in the next 2 lines because the path name needs to be there
// to find the files.
strcpy(new_root->path, temp_roots_sort[i].path);
new_root->roottype = CF_ROOTTYPE_PACK;
}
// free up the temp list
vm_free(temp_roots_sort);
}
void cf_build_root_list(char *cdrom_dir)
{
Num_roots = 0;
Num_path_roots = 0;
cf_root *root;
char str_temp[128], *cur_pos;
#ifdef SCP_UNIX
// =========================================================================
// now look for mods under the users HOME directory to use before system ones
if (Cmdline_mod) {
for (cur_pos=Cmdline_mod; strlen(cur_pos) != 0; cur_pos+= (strlen(cur_pos)+1))
{
memset(str_temp, 0, 128);
strcpy(str_temp, cur_pos);
strcat(str_temp, DIR_SEPARATOR_STR);
root = cf_create_root();
strcpy( root->path, Cfile_user_dir );
// do we already have a slash? as in the case of a root directory install
if(strlen(root->path) && (root->path[strlen(root->path)-1] != DIR_SEPARATOR_CHAR)){
strcat(root->path, DIR_SEPARATOR_STR); // put trailing backslash on for easier path construction
}
strcat(root->path, str_temp);
root->roottype = CF_ROOTTYPE_PATH;
cf_build_pack_list(root);
}
}
// =========================================================================
// =========================================================================
// set users HOME directory as default for loading and saving files
root = cf_create_root();
strcpy( root->path, Cfile_user_dir );
// do we already have a slash? as in the case of a root directory install
if(strlen(root->path) && (root->path[strlen(root->path)-1] != DIR_SEPARATOR_CHAR)){
strcat(root->path, DIR_SEPARATOR_STR); // put trailing backslash on for easier path construction
}
root->roottype = CF_ROOTTYPE_PATH;
// set the default player location to here
if ( Pilot_file_path == NULL )
Pilot_file_path = root->path;
// Next, check any VP files under the current directory.
cf_build_pack_list(root);
// =========================================================================
#endif
if(Cmdline_mod) {
// stackable Mod support -- Kazan
//This for statement is a work of art :D
for (cur_pos=Cmdline_mod; strlen(cur_pos) != 0; cur_pos+= (strlen(cur_pos)+1))
{
//strdup was not behaving reliably
//str_temp = vm_strdup(cur_pos);
memset(str_temp, 0, 128);
strcpy(str_temp, cur_pos);
strcat(str_temp, DIR_SEPARATOR_STR);
root = cf_create_root();
if ( !_getcwd(root->path, CF_MAX_PATHNAME_LENGTH ) ) {
Error(LOCATION, "Can't get current working directory -- %d", errno );
}
// do we already have a slash? as in the case of a root directory install
if(strlen(root->path) && (root->path[strlen(root->path)-1] != DIR_SEPARATOR_CHAR)){
strcat(root->path, DIR_SEPARATOR_STR); // put trailing backslash on for easier path construction
}
strcat(root->path, str_temp);
root->roottype = CF_ROOTTYPE_PATH;
cf_build_pack_list(root);
}
}
root = cf_create_root();
if ( !_getcwd(root->path, CF_MAX_PATHNAME_LENGTH ) ) {
Error(LOCATION, "Can't get current working directory -- %d", errno );
}
// do we already have a slash? as in the case of a root directory install
if(strlen(root->path) && (root->path[strlen(root->path)-1] != DIR_SEPARATOR_CHAR)){
strcat(root->path, DIR_SEPARATOR_STR); // put trailing backslash on for easier path construction
}
root->roottype = CF_ROOTTYPE_PATH;
// set the default path for pilot files
if ( Pilot_file_path == NULL )
Pilot_file_path = root->path;
//======================================================
// Next, check any VP files under the current directory.
cf_build_pack_list(root);
//======================================================
// Check the real CD if one...
if ( cdrom_dir && strlen(cdrom_dir) ) {
root = cf_create_root();
strcpy( root->path, cdrom_dir );
root->roottype = CF_ROOTTYPE_PATH;
//======================================================
// Next, check any VP files in the CD-ROM directory.
cf_build_pack_list(root);
}
}
// Given a lower case list of file extensions
// separated by spaces, return zero if ext is
// not in the list.
int is_ext_in_list( char *ext_list, char *ext )
{
char tmp_ext[128];
strncpy( tmp_ext, ext, 127 );
strlwr(tmp_ext);
if ( strstr(ext_list, tmp_ext )) {
return 1;
}
return 0;
}
void cf_search_root_path(int root_index)
{
int i;
cf_root *root = cf_get_root(root_index);
mprintf(( "Searching root '%s'\n", root->path ));
char search_path[CF_MAX_PATHNAME_LENGTH];
for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++ ) {
// we don't want to add player files to the cache - taylor
if ( (i == CF_TYPE_SINGLE_PLAYERS) || (i == CF_TYPE_MULTI_PLAYERS) ) {
continue;
}
strcpy( search_path, root->path );
if(strlen(Pathtypes[i].path)) {
strcat( search_path, Pathtypes[i].path );
if ( search_path[strlen(search_path)-1] != DIR_SEPARATOR_CHAR ) {
strcat( search_path, DIR_SEPARATOR_STR );
}
}
#if defined _WIN32
strcat( search_path, "*.*" );
int find_handle;
_finddata_t find;
find_handle = _findfirst( search_path, &find );
if (find_handle != -1) {
do {
if (!(find.attrib & _A_SUBDIR)) {
char *ext = strchr( find.name, '.' );
if ( ext ) {
if ( is_ext_in_list( Pathtypes[i].extensions, ext ) ) {
// Found a file!!!!
cf_file *file = cf_create_file();
strcpy( file->name_ext, find.name );
file->root_index = root_index;
file->pathtype_index = i;
file->write_time = find.time_write;
file->size = find.size;
file->pack_offset = 0; // Mark as a non-packed file
//mprintf(( "Found file '%s'\n", file->name_ext ));
}
}
}
} while (!_findnext(find_handle, &find));
_findclose( find_handle );
}
#elif defined SCP_UNIX
DIR *dirp;
struct dirent *dir;
dirp = opendir (search_path);
if ( dirp ) {
while ((dir = readdir (dirp)) != NULL)
{
if (!fnmatch ("*.*", dir->d_name, 0))
{
char fn[MAX_PATH];
snprintf(fn, MAX_PATH-1, "%s%s", search_path, dir->d_name);
fn[MAX_PATH-1] = 0;
struct stat buf;
if (stat(fn, &buf) == -1) {
continue;
}
if (!S_ISREG(buf.st_mode)) {
continue;
}
char *ext = strchr( dir->d_name, '.' );
if ( ext ) {
if ( is_ext_in_list( Pathtypes[i].extensions, ext ) ) {
// Found a file!!!!
cf_file *file = cf_create_file();
strcpy( file->name_ext, dir->d_name );
file->root_index = root_index;
file->pathtype_index = i;
file->write_time = buf.st_mtime;
file->size = buf.st_size;
file->pack_offset = 0; // Mark as a non-packed file
//mprintf(( "Found file '%s'\n", file->name_ext ));
}
}
}
}
closedir(dirp);
}
#endif
}
}
typedef struct VP_FILE_HEADER {
char id[4];
int version;
int index_offset;
int num_files;
} VP_FILE_HEADER;
typedef struct VP_FILE {
int offset;
int size;
char filename[32];
_fs_time_t write_time;
} VP_FILE;
void cf_search_root_pack(int root_index)
{
cf_root *root = cf_get_root(root_index);
//mprintf(( "Searching root pack '%s'\n", root->path ));
// Open data
FILE *fp = fopen( root->path, "rb" );
// Read the file header
if (!fp) {
return;
}
VP_FILE_HEADER VP_header;
Assert( sizeof(VP_header) == 16 );
fread(&VP_header, 1, sizeof(VP_header), fp);
VP_header.version = INTEL_INT( VP_header.version );
VP_header.index_offset = INTEL_INT( VP_header.index_offset );
VP_header.num_files = INTEL_INT( VP_header.num_files );
// Read index info
fseek(fp, VP_header.index_offset, SEEK_SET);
char search_path[CF_MAX_PATHNAME_LENGTH];
strcpy( search_path, "" );
// Go through all the files
int i;
for (i=0; i<VP_header.num_files; i++ ) {
VP_FILE find;
fread( &find, sizeof(VP_FILE), 1, fp );
find.offset = INTEL_INT( find.offset );
find.size = INTEL_INT( find.size );
find.write_time = INTEL_INT( find.write_time );
if ( find.size == 0 ) {
if ( !stricmp( find.filename, ".." )) {
int l = strlen(search_path);
char *p = &search_path[l-1];
while( (p > search_path) && (*p != DIR_SEPARATOR_CHAR) ) {
p--;
}
*p = 0;
} else {
if ( strlen(search_path) && (search_path[strlen(search_path)-1] != DIR_SEPARATOR_CHAR) ) {
strcat( search_path, DIR_SEPARATOR_STR );
}
strcat( search_path, find.filename );
}
//mprintf(( "Current dir = '%s'\n", search_path ));
} else {
int j;
for (j=CF_TYPE_ROOT; j<CF_MAX_PATH_TYPES; j++ ) {
if ( !stricmp( search_path, Pathtypes[j].path )) {
char *ext = strchr( find.filename, '.' );
if ( ext ) {
if ( is_ext_in_list( Pathtypes[j].extensions, ext ) ) {
// Found a file!!!!
cf_file *file = cf_create_file();
strcpy( file->name_ext, find.filename );
file->root_index = root_index;
file->pathtype_index = j;
file->write_time = (time_t)find.write_time;
file->size = find.size;
file->pack_offset = find.offset; // Mark as a packed file
//mprintf(( "Found pack file '%s'\n", file->name_ext ));
}
}
}
}
}
}
fclose(fp);
}
void cf_build_file_list()
{
int i;
Num_files = 0;
// For each root, find all files...
for (i=0; i<Num_roots; i++ ) {
cf_root *root = cf_get_root(i);
if ( root->roottype == CF_ROOTTYPE_PATH ) {
cf_search_root_path(i);
} else if ( root->roottype == CF_ROOTTYPE_PACK ) {
cf_search_root_pack(i);
}
}
}
void cf_build_secondary_filelist(char *cdrom_dir)
{
int i;
// Assume no files
Num_roots = 0;
Num_files = 0;
// Init the path types
for (i=0; i<CF_MAX_PATH_TYPES; i++ ) {
//Assert( Pathtypes[i].index == i );
// [mharris] can't modify constant strings, why do this anyhow???
// just need to make sure exts are all lc in the definition...
// if ( Pathtypes[i].extensions ) {
// strlwr(Pathtypes[i].extensions);
// }
}
// Init the root blocks
for (i=0; i<CF_MAX_ROOT_BLOCKS; i++ ) {
Root_blocks[i] = NULL;
}
// Init the file blocks
for (i=0; i<CF_MAX_FILE_BLOCKS; i++ ) {
File_blocks[i] = NULL;
}
mprintf(( "Building file index...\n" ));
// build the list of searchable roots
cf_build_root_list(cdrom_dir);
// build the list of files themselves
cf_build_file_list();
mprintf(( "Found %d roots and %d files.\n", Num_roots, Num_files ));
}
void cf_free_secondary_filelist()
{
int i;
// Free the root blocks
for (i=0; i<CF_MAX_ROOT_BLOCKS; i++ ) {
if ( Root_blocks[i] ) {
vm_free( Root_blocks[i] );
Root_blocks[i] = NULL;
}
}
Num_roots = 0;
// Init the file blocks
for (i=0; i<CF_MAX_FILE_BLOCKS; i++ ) {
if ( File_blocks[i] ) {
vm_free( File_blocks[i] );
File_blocks[i] = NULL;
}
}
Num_files = 0;
}
// Searches for a file. Follows all rules and precedence and searches
// CD's and pack files.
// Input: filespace - Filename & extension
// pathtype - See CF_TYPE_ defines in CFILE.H
// Output: pack_filename - Absolute path and filename of this file. Could be a packfile or the actual file.
// size - File size
// offset - Offset into pack file. 0 if not a packfile.
// Returns: If not found returns 0.
int cf_find_file_location( char *filespec, int filespec_max, int pathtype, char *pack_filename, int *size, int *offset, bool localize )
{
int i;
int cfs_slow_search = 0;
Assert(filespec && strlen(filespec));
// see if we have something other than just a filename
// our current rules say that any file that specifies a direct
// path will try to be opened on that path. If that open
// fails, then we will open the file based on the extension
// of the file
// NOTE: full path should also include localization, if so desired
#ifdef SCP_UNIX
if ( strpbrk(filespec, "/") ) { // do we have a full path already?
#else
if ( strpbrk(filespec,"/\\:") ) { // do we have a full path already?
#endif
FILE *fp = fopen(filespec, "rb" );
if (fp) {
if ( size ) *size = filelength(fileno(fp));
if ( offset ) *offset = 0;
if ( pack_filename ) {
strcpy( pack_filename, filespec );
}
fclose(fp);
return 1;
}
return 0; // If they give a full path, fail if not found.
}
// Search the hard drive for files first.
int num_search_dirs = 0;
int search_order[CF_MAX_PATH_TYPES];
if ( CF_TYPE_SPECIFIED(pathtype) ) {
search_order[num_search_dirs++] = pathtype;
}
for (i=CF_TYPE_ROOT; i<CF_MAX_PATH_TYPES; i++) {
if ( i != pathtype ) {
search_order[num_search_dirs++] = i;
}
}
#if defined WIN32
long findhandle;
_finddata_t findstruct;
#endif
for (i=0; i<num_search_dirs; i++ ) {
char longname[MAX_PATH_LEN];
switch (search_order[i]) {
case CF_TYPE_ROOT:
case CF_TYPE_DATA:
case CF_TYPE_SINGLE_PLAYERS:
case CF_TYPE_MULTI_PLAYERS:
case CF_TYPE_MULTI_CACHE:
case CF_TYPE_MISSIONS:
case CF_TYPE_CACHE:
cfs_slow_search = 1;
break;
default:
cfs_slow_search = 0;
break;
}
if (cfs_slow_search) {
cf_create_default_path_string( longname, sizeof(longname)-1, search_order[i], filespec, localize );
#if defined _WIN32
if(!Cmdline_safeloading)
{
findhandle = _findfirst(longname, &findstruct);
if (findhandle != -1) {
if ( size ) {
*size = findstruct.size;
}
_findclose(findhandle);
if ( offset ) *offset = 0;
if ( pack_filename ) {
strcpy( pack_filename, longname );
};
return 1;
}
}
else
{
FILE *fp = fopen(longname, "rb" );
if(fp) {
if( size ) {
*size = filelength( fileno(fp) );
}
fclose(fp);
if(offset) *offset = 0;
if( pack_filename ) {
strcpy(pack_filename, longname);
}
return 1;
}
}
#elif defined SCP_UNIX
FILE *fp = fopen(longname, "rb" );
if (fp) {
if ( size ) {
struct stat statbuf;
fstat(fileno(fp), &statbuf);
*size = statbuf.st_size;
}
fclose(fp);
if ( offset ) *offset = 0;
if ( pack_filename ) {
strcpy( pack_filename, longname );
}
return 1;
}
#endif
}
}
// Search the pak files and CD-ROM.
for (i=0; i<Num_files; i++ ) {
cf_file * f = cf_get_file(i);
// only search paths we're supposed to...
if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index) ) {
continue;
}
if (localize) {
// create localized filespec
char *temp = new char[strlen(filespec)+1];
strcpy(temp, filespec);
if(lcl_add_dir_to_path_with_filename(filespec, filespec_max))
{
if ( !stricmp(filespec, f->name_ext) ) {
if ( size ) *size = f->size;
if ( offset ) *offset = f->pack_offset;
if ( pack_filename ) {
cf_root * r = cf_get_root(f->root_index);
strcpy( pack_filename, r->path );
if ( f->pack_offset < 1 ) {
strcat( pack_filename, Pathtypes[f->pathtype_index].path );
if ( pack_filename[strlen(pack_filename)-1] != DIR_SEPARATOR_CHAR ) {
strcat( pack_filename, DIR_SEPARATOR_STR );
}
strcat( pack_filename, f->name_ext );
}
}
delete[] temp;
return 1;
}
}
// restore original filespec
strcpy(filespec, temp);
delete[] temp;
}
// file either not localized or localized version not found
if ( !stricmp(filespec, f->name_ext) ) {
if ( size ) *size = f->size;
if ( offset ) *offset = f->pack_offset;
if ( pack_filename ) {
cf_root * r = cf_get_root(f->root_index);
strcpy( pack_filename, r->path );
if ( f->pack_offset < 1 ) {
if(strlen(Pathtypes[f->pathtype_index].path)){
strcat( pack_filename, Pathtypes[f->pathtype_index].path );
if ( pack_filename[strlen(pack_filename)-1] != DIR_SEPARATOR_CHAR ) {
strcat( pack_filename, DIR_SEPARATOR_STR );
}
}
strcat( pack_filename, f->name_ext );
}
}
return 1;
}
}
return 0;
}
// Returns true if filename matches filespec, else zero if not
int cf_matches_spec(char *filespec, char *filename)
{
char *src_ext, *dst_ext;
src_ext = strrchr(filespec, '*');
if(!src_ext)
{
src_ext = strchr(filespec, '.');
if (!src_ext)
return 1;
}
else
{
src_ext++;
}
if(strlen(filespec) > strlen(filename))
{
return 0;
}
dst_ext = filename + strlen(filename) - ((filespec + strlen(filespec)) - src_ext);
if (!dst_ext)
return 1;
if(src_ext == filespec)
{
return !stricmp(dst_ext, src_ext);
}
else
{
return (!stricmp(dst_ext, src_ext) && !strnicmp(dst_ext, src_ext, src_ext - filespec));
}
}
int (*Get_file_list_filter)(char *filename) = NULL;
int Skip_packfile_search = 0;
int cf_file_already_in_list( int num_files, char **list, char *filename )
{
int i;
char name_no_extension[MAX_PATH_LEN];
strcpy(name_no_extension, filename );
char *p = strchr( name_no_extension, '.' );
if ( p ) *p = 0;
for (i=0; i<num_files; i++ ) {
if ( !stricmp(list[i], name_no_extension ) ) {
// Match found!
return 1;
}
}
// Not found
return 0;
}
// An alternative cf_get_file_list(), dynamic list version.
// This one has a 'type', which is a CF_TYPE_* value. Because this specifies the directory
// location, 'filter' only needs to be the filter itself, with no path information.
// See above descriptions of cf_get_file_list() for more information about how it all works.
int cf_get_file_list( int max, char **list, int pathtype, char *filter, int sort, file_list_info *info )
{
char *ptr;
int i, l, num_files = 0, own_flag = 0;
if (max < 1) {
Get_file_list_filter = NULL;
return 0;
}
Assert(list);
if (!info && (sort == CF_SORT_TIME)) {
info = (file_list_info *) vm_malloc(sizeof(file_list_info) * max);
own_flag = 1;
}
char filespec[MAX_PATH_LEN];
#if defined _WIN32
cf_create_default_path_string( filespec, sizeof(filespec)-1, pathtype, filter );
_finddata_t find;
int find_handle;
find_handle = _findfirst( filespec, &find );
if (find_handle != -1) {
do {
if (num_files >= max)
break;
if (!(find.attrib & _A_SUBDIR)) {
if ( !Get_file_list_filter || (*Get_file_list_filter)(find.name) ) {
ptr = strrchr(find.name, '.');
if (ptr)
l = ptr - find.name;
else
l = strlen(find.name);
list[num_files] = (char *)vm_malloc(l + 1);
strncpy(list[num_files], find.name, l);
list[num_files][l] = 0;
if (info)
info[num_files].write_time = find.time_write;
num_files++;
}
}
} while (!_findnext(find_handle, &find));
_findclose( find_handle );
}
#elif defined SCP_UNIX
cf_create_default_path_string( filespec, sizeof(filespec)-1, pathtype, NULL );
DIR *dirp;
struct dirent *dir;
dirp = opendir (filespec);
if ( dirp ) {
while ((dir = readdir (dirp)) != NULL)
{
if (num_files >= max)
break;
if (fnmatch(filter, dir->d_name, 0) != 0)
continue;
char fn[MAX_PATH];
snprintf(fn, MAX_PATH-1, "%s/%s", filespec, dir->d_name);
fn[MAX_PATH-1] = 0;
struct stat buf;
if (stat(fn, &buf) == -1) {
continue;
}
if (!S_ISREG(buf.st_mode)) {
continue;
}
if ( !Get_file_list_filter || (*Get_file_list_filter)(dir->d_name) ) {
ptr = strrchr(dir->d_name, '.');
if (ptr)
l = ptr - dir->d_name;
else
l = strlen(dir->d_name);
list[num_files] = (char *)vm_malloc(l + 1);
strncpy(list[num_files], dir->d_name, l);
list[num_files][l] = 0;
if (info)
info[num_files].write_time = buf.st_mtime;
num_files++;
}
}
closedir(dirp);
}
#endif
// Search all the packfiles and CD.
if ( !Skip_packfile_search ) {
for (i=0; i<Num_files; i++ ) {
cf_file * f = cf_get_file(i);
// only search paths we're supposed to...
if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index) ) {
continue;
}
if (num_files >= max)
break;
if ( !cf_matches_spec( filter,f->name_ext)) {
continue;
}
if ( cf_file_already_in_list(num_files,list,f->name_ext)) {
continue;
}
if ( !Get_file_list_filter || (*Get_file_list_filter)(f->name_ext) ) {
//mprintf(( "Found '%s' in root %d path %d\n", f->name_ext, f->root_index, f->pathtype_index ));
ptr = strrchr(f->name_ext, '.');
if (ptr)
l = ptr - f->name_ext;
else
l = strlen(f->name_ext);
list[num_files] = (char *)vm_malloc(l + 1);
strncpy(list[num_files], f->name_ext, l);
list[num_files][l] = 0;
if (info) {
info[num_files].write_time = f->write_time;
}
num_files++;
}
}
}
if (sort != CF_SORT_NONE) {
cf_sort_filenames( num_files, list, sort, info );
}
if (own_flag) {
vm_free(info);
}
Get_file_list_filter = NULL;
return num_files;
}
int cf_file_already_in_list_preallocated( int num_files, char arr[][MAX_FILENAME_LEN], char *filename )
{
int i;
char name_no_extension[MAX_PATH_LEN];
strcpy(name_no_extension, filename );
char *p = strchr( name_no_extension, '.' );
if ( p ) *p = 0;
for (i=0; i<num_files; i++ ) {
if ( !stricmp(arr[i], name_no_extension ) ) {
// Match found!
return 1;
}
}
// Not found
return 0;
}
// An alternative cf_get_file_list(), fixed array version.
// This one has a 'type', which is a CF_TYPE_* value. Because this specifies the directory
// location, 'filter' only needs to be the filter itself, with no path information.
// See above descriptions of cf_get_file_list() for more information about how it all works.
int cf_get_file_list_preallocated( int max, char arr[][MAX_FILENAME_LEN], char **list, int pathtype, char *filter, int sort, file_list_info *info )
{
int i, num_files = 0, own_flag = 0;
if (max < 1) {
Get_file_list_filter = NULL;
return 0;
}
if (list) {
for (i=0; i<max; i++) {
list[i] = arr[i];
}
} else {
sort = CF_SORT_NONE; // sorting of array directly not supported. Sorting done on list only
}
if (!info && (sort == CF_SORT_TIME)) {
info = (file_list_info *) vm_malloc(sizeof(file_list_info) * max);
if ( info )
own_flag = 1;
}
char filespec[MAX_PATH_LEN];
// Search the default directories
#if defined _WIN32
cf_create_default_path_string( filespec, sizeof(filespec)-1, pathtype, filter );
mprintf(("cf_get_file_list_preallocated looking for type=%d, filter=\"%s\"\n",
pathtype, filter));
int find_handle;
_finddata_t find;
find_handle = _findfirst( filespec, &find );
if (find_handle != -1) {
do {
if (num_files >= max)
break;
if (!(find.attrib & _A_SUBDIR)) {
if ( !Get_file_list_filter || (*Get_file_list_filter)(find.name) ) {
strncpy(arr[num_files], find.name, MAX_FILENAME_LEN - 1 );
char *ptr = strrchr(arr[num_files], '.');
if ( ptr ) {
*ptr = 0;
}
if (info) {
info[num_files].write_time = find.time_write;
}
num_files++;
}
}
} while (!_findnext(find_handle, &find));
_findclose( find_handle );
}
#elif defined SCP_UNIX
cf_create_default_path_string( filespec, sizeof(filespec)-1, pathtype, NULL );
DIR *dirp;
struct dirent *dir;
dirp = opendir (filespec);
if ( dirp ) {
while ((dir = readdir (dirp)) != NULL)
{
if (num_files >= max)
break;
if (fnmatch(filter, dir->d_name, 0) != 0)
continue;
char fn[MAX_PATH];
snprintf(fn, MAX_PATH-1, "%s/%s", filespec, dir->d_name);
fn[MAX_PATH-1] = 0;
struct stat buf;
if (stat(fn, &buf) == -1) {
continue;
}
if (!S_ISREG(buf.st_mode)) {
continue;
}
if ( !Get_file_list_filter || (*Get_file_list_filter)(dir->d_name) ) {
strncpy(arr[num_files], dir->d_name, MAX_FILENAME_LEN - 1 );
char *ptr = strrchr(arr[num_files], '.');
if ( ptr ) {
*ptr = 0;
}
if (info) {
info[num_files].write_time = buf.st_mtime;
}
num_files++;
}
}
closedir(dirp);
}
#endif
// Search all the packfiles and CD.
if ( !Skip_packfile_search ) {
for (i=0; i<Num_files; i++ ) {
cf_file * f = cf_get_file(i);
// only search paths we're supposed to...
if ( (pathtype != CF_TYPE_ANY) && (pathtype != f->pathtype_index) ) {
continue;
}
if (num_files >= max)
break;
if ( !cf_matches_spec( filter,f->name_ext)) {
continue;
}
if ( cf_file_already_in_list_preallocated( num_files, arr, f->name_ext )) {
continue;
}
if ( !Get_file_list_filter || (*Get_file_list_filter)(f->name_ext) ) {
//mprintf(( "Found '%s' in root %d path %d\n", f->name_ext, f->root_index, f->pathtype_index ));
strncpy(arr[num_files], f->name_ext, MAX_FILENAME_LEN - 1 );
char *ptr = strrchr(arr[num_files], '.');
if ( ptr ) {
*ptr = 0;
}
if (info) {
info[num_files].write_time = f->write_time;
}
num_files++;
}
}
}
if (sort != CF_SORT_NONE) {
Assert(list);
cf_sort_filenames( num_files, list, sort, info );
}
if (own_flag) {
vm_free(info);
}
Get_file_list_filter = NULL;
return num_files;
}
// Returns the default storage path for files given a
// particular pathtype. In other words, the path to
// the unpacked, non-cd'd, stored on hard drive path.
// If filename isn't null it will also tack the filename
// on the end, creating a completely valid filename.
// Input: pathtype - CF_TYPE_??
// path_max - Maximum characters in the path
// filename - optional, if set, tacks the filename onto end of path.
// Output: path - Fully qualified pathname.
//Returns 0 if the result would be too long (invalid result)
int cf_create_default_path_string( char *path, uint path_max, int pathtype, char *filename, bool localize )
{
#ifdef SCP_UNIX
if ( filename && strpbrk(filename,"/") ) {
#else
if ( filename && strpbrk(filename,"/\\:") ) {
#endif
// Already has full path
//check it's not too long
if(strlen(filename) > path_max) {
return 0;
}
strcpy( path, filename );
} else {
cf_root *root = cf_get_root(0);
if (!root) {
if(strlen(filename) > path_max) {
return 0;
}
strcpy(path, filename);
return 1;
}
Assert(CF_TYPE_SPECIFIED(pathtype));
// force a specific directory to search for player files
if ( (pathtype == CF_TYPE_SINGLE_PLAYERS) || (pathtype == CF_TYPE_MULTI_PLAYERS) )
{
//check it's not too long
if(strlen(Pilot_file_path) > path_max) {
return 0;
}
strcpy(path, Pilot_file_path);
} else {
//check it's not too long
if(strlen(root->path) > path_max) {
return 0;
}
strcpy(path, root->path);
}
//check that path isn't too long
if(strlen(path) + strlen(Pathtypes[pathtype].path) + strlen(DIR_SEPARATOR_STR) > path_max) {
return 0;
}
strcat(path, Pathtypes[pathtype].path);
// Don't add slash for root directory
if (Pathtypes[pathtype].path[0] != '\0')
{
if ( path[strlen(path)-1] != DIR_SEPARATOR_CHAR )
{
if(strlen(path) + strlen(DIR_SEPARATOR_STR) > path_max) {
return 0;
}
strcat(path, DIR_SEPARATOR_STR);
}
}
#ifdef INF_BUILD
// keep pilot files separated for an Inferno build since they aren't compatible
if ( pathtype == CF_TYPE_SINGLE_PLAYERS )
{
if(strlen(path) + strlen("inferno") + strlen(DIR_SEPARATOR_STR) > path_max) {
return 0;
}
strcat(path, "inferno");
strcat(path, DIR_SEPARATOR_STR);
}
#endif
// add filename
if (filename)
{
if(strlen(path) + strlen(filename) > path_max) {
return 0;
}
strcat(path, filename);
// localize filename
if (localize)
{
// create copy of path
char *temp_path = new char[path_max+1];
strcpy(temp_path, path);
// localize the path
if(lcl_add_dir_to_path_with_filename(path, path_max))
{
// verify localized path
FILE *fp = fopen(path, "rb");
if (fp)
{
fclose(fp);
delete[] temp_path;
return 1;
}
}
//If localization didn't work, go back to the original string
strcpy(path, temp_path);
delete[] temp_path;
}
}
}
return 1;
}
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