valter/dosbox-staging
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Removed dta check from findfirst in drive_cache.

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Caching now 2048 searches per drive.
Clearing all when full.
Changed dta to reflect specs better.
Changed fcb to reflect specs better.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1766
This commit is contained in:
Peter Veenstra 2004-04-13 12:08:43 +00:00
parent 5e144aa1d6
commit ed0fa42631
4 changed files with 48 additions and 51 deletions
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31
include/dos_system.h
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_system.h,v 1.21 2004-03-04 19:49:14 qbix79 Exp $ */
/* $Id: dos_system.h,v 1.22 2004-04-13 12:08:43 qbix79 Exp $ */
#ifndef DOSSYSTEM_H_
#define DOSSYSTEM_H_
@ -86,8 +86,8 @@ public:
Bit8u fhandle;
};
#define MAX_OPENDIRS 16
#define MAX_OPENDIRS 2048
//Can be high as it's only storage (16 bit variable)
class DOS_Drive_Cache {
public:
DOS_Drive_Cache (void);
@ -105,7 +105,7 @@ public:
char* GetExpandName (const char* path);
bool GetShortName (const char* fullname, char* shortname);
bool FindFirst (char* path, Bitu dtaAddress, Bitu& id);
bool FindFirst (char* path, Bitu& id);
bool FindNext (Bitu id, char* &result);
void CacheOut (const char* path, bool ignoreLastDir = false);
@ -120,21 +120,19 @@ public:
public:
CFileInfo(void) {
orgname[0] = shortname[0] = 0;
nextEntry = shortNr = compareCount = 0;
nextEntry = shortNr = 0;
isDir = false;
}
~CFileInfo(void) {
for (Bit32u i=0; i<fileList.size(); i++) delete fileList[i];
fileList.clear();
longNameList.clear();
compareCount = 0;
};
char orgname [CROSS_LEN];
char shortname [DOS_NAMELENGTH_ASCII];
bool isDir;
Bitu nextEntry;
Bitu shortNr;
Bitu compareCount;
// contents
std::vector<CFileInfo*> fileList;
std::vector<CFileInfo*> longNameList;
@ -143,18 +141,18 @@ public:
private:
bool RemoveTrailingDot (char* shortname);
Bits GetLongName (CFileInfo* info, char* shortname);
Bits GetLongName (CFileInfo* info, char* shortname);
void CreateShortName (CFileInfo* dir, CFileInfo* info);
Bit16u CreateShortNameID (CFileInfo* dir, const char* name);
int CompareShortname (const char* compareName, const char* shortName);
bool SetResult (CFileInfo* dir, char * &result, Bit16u entryNr);
bool IsCachedIn (CFileInfo* dir);
CFileInfo* FindDirInfo (const char* path, char* expandedPath);
int CompareShortname (const char* compareName, const char* shortName);
bool SetResult (CFileInfo* dir, char * &result, Bit16u entryNr);
bool IsCachedIn (CFileInfo* dir);
CFileInfo* FindDirInfo (const char* path, char* expandedPath);
bool RemoveSpaces (char* str);
bool OpenDir (CFileInfo* dir, const char* path, Bit16u& id);
void CreateEntry (CFileInfo* dir, const char* name);
Bit16u GetFreeID (CFileInfo* dir);
void Clear (void);
bool OpenDir (CFileInfo* dir, const char* path, Bit16u& id);
void CreateEntry (CFileInfo* dir, const char* name);
Bit16u GetFreeID (CFileInfo* dir);
void Clear (void);
CFileInfo* dirBase;
char dirPath [CROSS_LEN];
@ -170,6 +168,7 @@ private:
char dirSearchName [MAX_OPENDIRS];
bool free [MAX_OPENDIRS];
CFileInfo* dirFindFirst [MAX_OPENDIRS];
Bitu nextFreeFindFirst;
char label [CROSS_LEN];
};