mirror of
https://github.com/1dot13/source.git
synced 2026-07-22 13:40:22 +02:00
Sergeant_Kolja
883557c87d
Also inflated the buffer to fit the messages from XML-Writer code (is executed in debug mode only). The inflation has nothing to do with the securing, its only for comfort of the XML writers log messages. git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@1071 3b4a5df2-a311-0410-b5c6-a8a6f20db521
2110 lines
54 KiB
C++
2110 lines
54 KiB
C++
//**************************************************************************
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//
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// Filename : FileMan.c
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//
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// Purpose : function definitions for the memory manager
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//
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// Modification history :
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//
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// 24sep96:HJH -> creation
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// 08Apr97:ARM -> Assign return value from Push() calls back to HStack
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// handle, because it may possibly do a MemRealloc()
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// 29Dec97:Kris Morness
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// -> Added functionality for setting file attributes which
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// allows for read-only attribute overriding
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// -> Also added a simple function that clears all file attributes
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// to normal.
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//
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// 5 Feb 98:Dave French -> extensive modification to support libraries
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//
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//**************************************************************************
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//**************************************************************************
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//
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// Includes
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//
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//**************************************************************************
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#ifdef JA2_PRECOMPILED_HEADERS
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#include "JA2 SGP ALL.H"
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#elif defined( WIZ8_PRECOMPILED_HEADERS )
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#include "WIZ8 SGP ALL.H"
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#else
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#include "Types.h"
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#include <stdlib.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <direct.h>
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#include "windows.h"
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#include "FileMan.h"
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#include "MemMan.h"
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#include "DbMan.h"
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#include "Debug.h"
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#include "RegInst.h"
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#include "Container.h"
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#include "LibraryDataBase.h"
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#include "io.h"
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#endif
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//**************************************************************************
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//
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// Defines
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//
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//**************************************************************************
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#define FILENAME_LENGTH 600
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#define CHECKF(exp) if (!(exp)) { return(FALSE); }
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#define CHECKV(exp) if (!(exp)) { return; }
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#define CHECKN(exp) if (!(exp)) { return(NULL); }
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#define CHECKBI(exp) if (!(exp)) { return(-1); }
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#define PRINT_DEBUG_INFO FileDebugPrint();
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//**************************************************************************
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//
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// Typedefs
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//
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//**************************************************************************
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typedef struct FMFileInfoTag
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{
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CHAR strFilename[FILENAME_LENGTH];
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UINT8 uiFileAccess;
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UINT32 uiFilePosition;
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HANDLE hFileHandle;
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HDBFILE hDBFile;
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} FMFileInfo; // for 'File Manager File Information'
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typedef struct FileSystemTag
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{
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FMFileInfo *pFileInfo;
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UINT32 uiNumHandles;
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BOOLEAN fDebug;
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BOOLEAN fDBInitialized;
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CHAR *pcFileNames;
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UINT32 uiNumFilesInDirectory;
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} FileSystem;
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//**************************************************************************
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//
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// Variables
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//
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//**************************************************************************
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//The FileDatabaseHeader
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DatabaseManagerHeaderStruct gFileDataBase;
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//FileSystem gfs;
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WIN32_FIND_DATA Win32FindInfo[20];
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BOOLEAN fFindInfoInUse[20] = {FALSE,FALSE,FALSE,FALSE,FALSE,
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FALSE,FALSE,FALSE,FALSE,FALSE,
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FALSE,FALSE,FALSE,FALSE,FALSE,
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FALSE,FALSE,FALSE,FALSE,FALSE };
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HANDLE hFindInfoHandle[20] = {INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE,
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INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE };
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// Snap: At program launch we build two directory catalogues:
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// one for the default Data directory, the other for the custom Data directory.
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TFileCat gDefaultDataCat; // Init in InitializeStandardGamingPlatform (sgp.cpp)
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TFileCat gCustomDataCat; // Init in InitializeStandardGamingPlatform (sgp.cpp)
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//**************************************************************************
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//
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// Function Prototypes
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//
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//**************************************************************************
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void W32toSGPFileFind( GETFILESTRUCT *pGFStruct, WIN32_FIND_DATA *pW32Struct );
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void FileDebugPrint( void );
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HANDLE GetHandleToRealFile( HWFILE hFile, BOOLEAN *pfDatabaseFile );
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HWFILE CreateFileHandle( HANDLE hRealFile, BOOLEAN fDatabaseFile );
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void DestroyFileHandle( HWFILE hFile );
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void BuildFileDirectory( void );
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INT32 GetFilesInDirectory( HCONTAINER hStack, CHAR *, HANDLE hFile, WIN32_FIND_DATA *pFind );
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//**************************************************************************
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//
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// Functions
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//
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//**************************************************************************
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//**************************************************************************
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//
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// FileSystemInit
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//
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// Starts up the file system.
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//
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// Parameter List :
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// Return Value :
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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//**************************************************************************
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BOOLEAN InitializeFileManager( STR strIndexFilename )
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{
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RegisterDebugTopic( TOPIC_FILE_MANAGER, "File Manager" );
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return( TRUE );
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}
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//**************************************************************************
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//
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// FileSystemShutdown
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//
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// Shuts down the file system.
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//
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// Parameter List :
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// Return Value :
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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// 9 Feb 98 DEF - modified to work with the library system
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//
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//**************************************************************************
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void ShutdownFileManager( void )
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{
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UnRegisterDebugTopic( TOPIC_FILE_MANAGER, "File Manager" );
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}
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//**************************************************************************
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//
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// FileDebug
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//
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// To set whether or not we should print debug info.
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//
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// Parameter List :
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// Return Value :
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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//**************************************************************************
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void FileDebug( BOOLEAN f )
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{
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// gfs.fDebug = f;
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}
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//**************************************************************************
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//
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// FileExists
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//
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// Checks if a file exists.
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//
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// Parameter List :
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//
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// STR -> name of file to check existence of
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//
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// Return Value :
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//
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// BOOLEAN -> TRUE if it exists
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// -> FALSE if not
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//
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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// 9 Feb 98 DEF - modified to work with the library system
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//
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// Oct 2005: Snap - Rewrote, made to check data catalogues
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//
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//**************************************************************************
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BOOLEAN FileExists( STR strFilename )
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{
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// First check to see if it's in a library (most files should be there)
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if ( gFileDataBase.fInitialized &&
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CheckIfFileExistInLibrary( strFilename ) ) return TRUE;
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// ... then check if it's in the custom Data directory
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if ( gCustomDataCat.FindFile(strFilename) ) return TRUE;
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// ... then check if it's in the default Data directory
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if ( gDefaultDataCat.FindFile(strFilename) ) return TRUE;
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// ... lastly, try to locate it in the file system
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DWORD attribs = GetFileAttributes(strFilename);
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if ( attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY) )
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return TRUE;
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return FALSE;
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}
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//**************************************************************************
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//
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// FileExistsNoDB
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//
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// Checks if a file exists, but doesn't check the database files.
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//
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// Parameter List :
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//
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// STR -> name of file to check existence of
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//
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// Return Value :
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//
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// BOOLEAN -> TRUE if it exists
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// -> FALSE if not
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//
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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// Oct 2005: Snap - Rewrote, made to check data catalogues
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//
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//**************************************************************************
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extern BOOLEAN FileExistsNoDB( STR strFilename )
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{
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// First check if it's in the custom Data directory
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if ( gCustomDataCat.FindFile(strFilename) ) return TRUE;
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// ... then check if it's in the default Data directory
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if ( gDefaultDataCat.FindFile(strFilename) ) return TRUE;
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// ... lastly, try to locate it in the file system
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DWORD attribs = GetFileAttributes(strFilename);
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if ( attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY) )
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return TRUE;
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return FALSE;
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}
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//**************************************************************************
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//
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// FileDelete
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//
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// Deletes a file.
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//
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// Parameter List :
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//
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// STR -> name of file to delete
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//
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// Return Value :
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//
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// BOOLEAN -> TRUE if successful
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// -> FALSE if not
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//
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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//**************************************************************************
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BOOLEAN FileDelete( STR strFilename )
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{
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// Snap: delete the file from the default Data catalogue (if it is there)
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// Since the path can be either relative or absolute, try both methods
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gDefaultDataCat.RemoveFile(strFilename, true);
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gDefaultDataCat.RemoveFile(strFilename, false);
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return( DeleteFile( (LPCSTR) strFilename ) );
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}
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//**************************************************************************
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//
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// FileOpen
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//
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// Opens a file.
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//
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// Parameter List :
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//
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// STR -> filename
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// UIN32 -> access - read or write, or both
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// BOOLEAN -> delete on close
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//
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// Return Value :
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//
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// HWFILE -> handle of opened file
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//
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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// 9 Feb 98 DEF - modified to work with the library system
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//
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// Oct 2005: Snap - modified to work with the custom Data directory
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//
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//**************************************************************************
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HWFILE FileOpen( STR strFilename, UINT32 uiOptions, BOOLEAN fDeleteOnClose )
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{
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HWFILE hFile;
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HANDLE hRealFile;
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DWORD dwAccess;
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DWORD dwFlagsAndAttributes;
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BOOLEAN fExists;
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HDBFILE hDBFile;
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DWORD dwCreationFlags;
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HWFILE hLibFile;
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hFile = 0;
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hDBFile = 0;
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dwCreationFlags = 0;
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dwAccess = 0;
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if ( uiOptions & FILE_ACCESS_READ )
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dwAccess |= GENERIC_READ;
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if ( uiOptions & FILE_ACCESS_WRITE )
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dwAccess |= GENERIC_WRITE;
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dwFlagsAndAttributes = FILE_FLAG_RANDOM_ACCESS;
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if ( fDeleteOnClose )
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dwFlagsAndAttributes |= FILE_FLAG_DELETE_ON_CLOSE;
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// Snap: This seems like an unnecessary check, but I don't feel like
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// rewriting the function to eliminate it...
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// check if the file exists - note that we use the function FileExistsNoDB
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// because it doesn't check the databases, and we don't want to do that here
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fExists = FileExistsNoDB( strFilename );
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// Snap: First see if the file is in the custom Data catalogue:
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std::string filePath;
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if ( gCustomDataCat.FindFile(strFilename) ) {
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filePath = gCustomDataCat.GetRootDir() + '\\';
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}
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filePath += strFilename;
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// Bad cast! strFilename should have been const. Oh well...
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strFilename = const_cast<STR>( filePath.c_str() );
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// Now strFilename points either to the original file name,
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// or to the full file path in the custom Data directory.
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// Except for this substitution, the rest of the function is unchanged.
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//if the file is on the disk
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if ( fExists )
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{
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hRealFile = CreateFile( (LPCSTR) strFilename, dwAccess, 0, NULL, OPEN_ALWAYS,
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dwFlagsAndAttributes, NULL );
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if ( hRealFile == INVALID_HANDLE_VALUE )
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{
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return(0);
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}
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//create a file handle for the 'real file'
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hFile = CreateRealFileHandle( hRealFile );
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}
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// if the file did not exist, try to open it from the database
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else if ( gFileDataBase.fInitialized )
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{
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//if the file is to be opened for writing, return an error cause you cant write a file that is in the database library
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if( fDeleteOnClose )
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{
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return( 0 );
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}
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//if the file doesnt exist on the harddrive, but it is to be created, dont try to load it from the file database
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if( uiOptions & FILE_ACCESS_WRITE )
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{
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//if the files is to be written to
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if( ( uiOptions & FILE_CREATE_NEW ) || ( uiOptions & FILE_OPEN_ALWAYS ) || ( uiOptions & FILE_CREATE_ALWAYS ) || ( uiOptions & FILE_TRUNCATE_EXISTING ) )
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{
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hFile = 0;
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}
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}
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//else if the file is to be opened using FILE_OPEN_EXISTING, and the file doesnt exists, fail out of the function)
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// else if( uiOptions & FILE_OPEN_EXISTING )
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// {
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//fail out of the function
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// return( 0 );
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// }
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else
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{
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//If the file is in the library, get a handle to it.
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hLibFile = OpenFileFromLibrary( strFilename );
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//tried to open a file that wasnt in the database
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if( !hLibFile )
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return( 0 );
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else
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return( hLibFile ); //return the file handle
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}
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}
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if ( !hFile )
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{
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if ( uiOptions & FILE_CREATE_NEW )
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{
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dwCreationFlags = CREATE_NEW;
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}
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else if ( uiOptions & FILE_CREATE_ALWAYS )
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{
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dwCreationFlags = CREATE_ALWAYS;
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}
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else if ( uiOptions & FILE_OPEN_EXISTING || uiOptions & FILE_ACCESS_READ )
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{
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dwCreationFlags = OPEN_EXISTING;
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}
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else if ( uiOptions & FILE_OPEN_ALWAYS )
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{
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dwCreationFlags = OPEN_ALWAYS;
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}
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else if ( uiOptions & FILE_TRUNCATE_EXISTING )
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{
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dwCreationFlags = TRUNCATE_EXISTING;
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}
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else
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{
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dwCreationFlags = OPEN_ALWAYS;
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}
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hRealFile = CreateFile( (LPCSTR) strFilename, dwAccess, 0, NULL, dwCreationFlags,
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dwFlagsAndAttributes, NULL );
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if ( hRealFile == INVALID_HANDLE_VALUE )
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{
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UINT32 uiLastError = GetLastError();
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char zString[1024];
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FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM, 0, uiLastError, 0, zString, 1024, NULL);
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return(0);
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}
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hFile = CreateRealFileHandle( hRealFile );
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}
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if ( !hFile )
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return(0);
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return(hFile);
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}
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//**************************************************************************
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//
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// FileClose
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//
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//
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// Parameter List :
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//
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// HWFILE hFile -> handle to file to close
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//
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// Return Value :
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// Modification history :
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//
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// 24sep96:HJH -> creation
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//
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// 9 Feb 98 DEF - modified to work with the library system
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//
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//**************************************************************************
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void FileClose( HWFILE hFile )
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{
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INT16 sLibraryID;
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UINT32 uiFileNum;
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GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
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//if its the 'real file' library
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if( sLibraryID == REAL_FILE_LIBRARY_ID )
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{
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//if its not already closed
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if( gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].uiFileID != 0 )
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{
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CloseHandle( gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle );
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gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].uiFileID = 0;
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gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle= 0;
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gFileDataBase.RealFiles.iNumFilesOpen--;
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if( gFileDataBase.RealFiles.iNumFilesOpen < 0 )
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{
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//if for some reason we are below 0, report an error ( should never be )
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Assert( 0 );
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}
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}
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}
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else
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{
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//if the database is initialized
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if( gFileDataBase.fInitialized )
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CloseLibraryFile( sLibraryID, uiFileNum );
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}
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}
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//**************************************************************************
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//
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// FileRead
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//
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// To read a file.
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//
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// Parameter List :
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//
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// HWFILE -> handle to file to read from
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// void * -> source buffer
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// UINT32 -> num bytes to read
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// UINT32 -> num bytes read
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//
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// Return Value :
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//
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// BOOLEAN -> TRUE if successful
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// -> FALSE if not
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//
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// Modification history :
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//
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// 24sep96:HJH -> creation
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// 08Dec97:ARM -> return FALSE if bytes to read != bytes read
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//
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// 9 Feb 98 DEF - modified to work with the library system
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//
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//**************************************************************************
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#ifdef JA2TESTVERSION
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extern UINT32 uiTotalFileReadTime;
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extern UINT32 uiTotalFileReadCalls;
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#include "Timer Control.h"
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#endif
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|
|
BOOLEAN FileRead( HWFILE hFile, PTR pDest, UINT32 uiBytesToRead, UINT32 *puiBytesRead )
|
|
{
|
|
HANDLE hRealFile;
|
|
DWORD dwNumBytesToRead, dwNumBytesRead;
|
|
BOOLEAN fRet = FALSE;
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
#ifdef JA2TESTVERSION
|
|
UINT32 uiStartTime = GetJA2Clock();
|
|
#endif
|
|
|
|
//init the variables
|
|
dwNumBytesToRead = dwNumBytesRead = 0;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
dwNumBytesToRead = (DWORD)uiBytesToRead;
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//if the file is opened
|
|
if( uiFileNum != 0 )
|
|
{
|
|
hRealFile = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
|
|
fRet = ReadFile( hRealFile, pDest, dwNumBytesToRead, &dwNumBytesRead, NULL );
|
|
if ( dwNumBytesToRead != dwNumBytesRead )
|
|
{
|
|
UINT32 uiLastError = GetLastError();
|
|
char zString[1024];
|
|
FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM, 0, uiLastError, 0, zString, 1024, NULL);
|
|
|
|
fRet = FALSE;
|
|
}
|
|
|
|
if ( puiBytesRead )
|
|
*puiBytesRead = (UINT32)dwNumBytesRead;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//if the database is initialized
|
|
if( gFileDataBase.fInitialized )
|
|
{
|
|
//if the library is open
|
|
if( IsLibraryOpened( sLibraryID ) )
|
|
{
|
|
//if the file is opened
|
|
if( gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].uiFileID != 0 )
|
|
{
|
|
//read the data from the library
|
|
fRet = LoadDataFromLibrary( sLibraryID, uiFileNum, pDest, dwNumBytesToRead, (UINT32 *) &dwNumBytesRead );
|
|
if ( puiBytesRead )
|
|
{
|
|
*puiBytesRead = (UINT32)dwNumBytesRead;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef JA2TESTVERSION
|
|
//Add the time that we spent in this function to the total.
|
|
uiTotalFileReadTime += GetJA2Clock() - uiStartTime;
|
|
uiTotalFileReadCalls++;
|
|
#endif
|
|
|
|
return(fRet);
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// FileWrite
|
|
//
|
|
// To write a file.
|
|
//
|
|
// Parameter List :
|
|
//
|
|
// HWFILE -> handle to file to write to
|
|
// void * -> destination buffer
|
|
// UINT32 -> num bytes to write
|
|
// UINT32 -> num bytes written
|
|
//
|
|
// Return Value :
|
|
//
|
|
// BOOLEAN -> TRUE if successful
|
|
// -> FALSE if not
|
|
//
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
// 08Dec97:ARM -> return FALSE if dwNumBytesToWrite != dwNumBytesWritten
|
|
//
|
|
// 9 Feb 98 DEF - modified to work with the library system
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOLEAN FileWrite( HWFILE hFile, PTR pDest, UINT32 uiBytesToWrite, UINT32 *puiBytesWritten )
|
|
{
|
|
HANDLE hRealFile;
|
|
DWORD dwNumBytesToWrite, dwNumBytesWritten;
|
|
BOOLEAN fRet;
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
dwNumBytesToWrite = (DWORD)uiBytesToWrite;
|
|
|
|
//get the real file handle to the file
|
|
hRealFile = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
|
|
fRet = WriteFile( hRealFile, pDest, dwNumBytesToWrite, &dwNumBytesWritten, NULL );
|
|
|
|
if (dwNumBytesToWrite != dwNumBytesWritten)
|
|
fRet = FALSE;
|
|
|
|
if ( puiBytesWritten )
|
|
*puiBytesWritten = (UINT32)dwNumBytesWritten;
|
|
}
|
|
else
|
|
{
|
|
//we cannot write to a library file
|
|
if ( puiBytesWritten )
|
|
*puiBytesWritten = 0;
|
|
return(FALSE);
|
|
}
|
|
|
|
return(fRet);
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// FileLoad
|
|
//
|
|
// To open, read, and close a file.
|
|
//
|
|
// Parameter List :
|
|
//
|
|
//
|
|
// Return Value :
|
|
//
|
|
// BOOLEAN -> TRUE if successful
|
|
// -> FALSE if not
|
|
//
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
// 08Dec97:ARM -> return FALSE if bytes to read != bytes read (CHECKF is inappropriate?)
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOLEAN FileLoad( STR strFilename, PTR pDest, UINT32 uiBytesToRead, UINT32 *puiBytesRead )
|
|
{
|
|
HWFILE hFile;
|
|
UINT32 uiNumBytesRead;
|
|
BOOLEAN fRet;
|
|
|
|
hFile = FileOpen( strFilename, FILE_ACCESS_READ, FALSE );
|
|
if ( hFile )
|
|
{
|
|
fRet = FileRead( hFile, pDest, uiBytesToRead, &uiNumBytesRead );
|
|
FileClose( hFile );
|
|
|
|
if (uiBytesToRead != uiNumBytesRead)
|
|
fRet = FALSE;
|
|
|
|
if ( puiBytesRead )
|
|
*puiBytesRead = uiNumBytesRead;
|
|
|
|
CHECKF( uiNumBytesRead == uiBytesToRead );
|
|
}
|
|
else
|
|
fRet = FALSE;
|
|
|
|
return(fRet);
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// FilePrintf
|
|
//
|
|
// To printf to a file.
|
|
//
|
|
// Parameter List :
|
|
//
|
|
// HWFILE -> handle to file to seek in
|
|
// ... -> arguments, 1st of which should be a string
|
|
//
|
|
// Return Value :
|
|
//
|
|
// BOOLEAN -> TRUE if successful
|
|
// -> FALSE if not
|
|
//
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
// 9 Feb 98 DEF - modified to work with the library system
|
|
//
|
|
//**************************************************************************
|
|
|
|
#ifndef DIM
|
|
# define DIM(x) (sizeof(x)/sizeof(x[0])) /* made StringLen Save, Sergeant_Kolja, 2007-06-10 */
|
|
#endif
|
|
|
|
|
|
BOOLEAN _cdecl FilePrintf( HWFILE hFile, STR8 strFormatted, ... )
|
|
{
|
|
CHAR8 strToSend[160]; /* itemdescription of item 0 will NOT fit if only 80 Chars per Line!, Sergeant_Kolja, 2007-06-10 */
|
|
va_list argptr;
|
|
BOOLEAN fRetVal = FALSE;
|
|
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
va_start(argptr, strFormatted);
|
|
_vsnprintf( strToSend, DIM(strToSend), strFormatted, argptr ); /* made StringLen Save, Sergeant_Kolja, 2007-06-10 */
|
|
strToSend[ DIM(strToSend)-1 ] = 0;
|
|
va_end(argptr);
|
|
|
|
fRetVal = FileWrite( hFile, strToSend, strlen(strToSend), NULL );
|
|
}
|
|
else
|
|
{
|
|
//its a library file, cant write to it so return an error
|
|
fRetVal = FALSE;
|
|
}
|
|
|
|
return( fRetVal );
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// FileSeek
|
|
//
|
|
// To seek to a position in a file.
|
|
//
|
|
// Parameter List :
|
|
//
|
|
// HWFILE -> handle to file to seek in
|
|
// UINT32 -> distance to seek
|
|
// UINT8 -> how to seek
|
|
//
|
|
// Return Value :
|
|
//
|
|
// BOOLEAN -> TRUE if successful
|
|
// -> FALSE if not
|
|
//
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
// 9 Feb 98 DEF - modified to work with the library system
|
|
//
|
|
//**************************************************************************
|
|
|
|
BOOLEAN FileSeek( HWFILE hFile, UINT32 uiDistance, UINT8 uiHow )
|
|
{
|
|
HANDLE hRealFile;
|
|
LONG lDistanceToMove;
|
|
DWORD dwMoveMethod;
|
|
INT32 iDistance=0;
|
|
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//Get the handle to the real file
|
|
hRealFile = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
|
|
iDistance = (INT32) uiDistance;
|
|
|
|
if ( uiHow == FILE_SEEK_FROM_START )
|
|
dwMoveMethod = FILE_BEGIN;
|
|
else if ( uiHow == FILE_SEEK_FROM_END )
|
|
{
|
|
dwMoveMethod = FILE_END;
|
|
if( iDistance > 0 )
|
|
iDistance = -(iDistance);
|
|
}
|
|
else
|
|
dwMoveMethod = FILE_CURRENT;
|
|
|
|
lDistanceToMove = (LONG)uiDistance;
|
|
|
|
if ( SetFilePointer( hRealFile, iDistance, NULL, dwMoveMethod ) == 0xFFFFFFFF )
|
|
return(FALSE);
|
|
}
|
|
else
|
|
{
|
|
//if the database is initialized
|
|
if( gFileDataBase.fInitialized )
|
|
LibraryFileSeek( sLibraryID, uiFileNum, uiDistance, uiHow );
|
|
}
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// FileGetPos
|
|
//
|
|
// To get the current position in a file.
|
|
//
|
|
// Parameter List :
|
|
//
|
|
// HWFILE -> handle to file
|
|
//
|
|
// Return Value :
|
|
//
|
|
// INT32 -> current offset in file if successful
|
|
// -> -1 if not
|
|
//
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
// 9 Feb 98 DEF - modified to work with the library system
|
|
//
|
|
//**************************************************************************
|
|
|
|
INT32 FileGetPos( HWFILE hFile )
|
|
{
|
|
HANDLE hRealFile;
|
|
UINT32 uiPositionInFile=0;
|
|
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//Get the handle to the real file
|
|
hRealFile = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
|
|
uiPositionInFile = SetFilePointer( hRealFile, 0, NULL, FILE_CURRENT);
|
|
if( uiPositionInFile == 0xFFFFFFFF )
|
|
{
|
|
uiPositionInFile = 0;
|
|
}
|
|
return( uiPositionInFile );
|
|
}
|
|
else
|
|
{
|
|
//if the library is open
|
|
if( IsLibraryOpened( sLibraryID ) )
|
|
{
|
|
//check if the file is open
|
|
if( gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].uiFileID != 0 )
|
|
{
|
|
uiPositionInFile = gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].uiFilePosInFile;
|
|
return( uiPositionInFile );
|
|
}
|
|
}
|
|
}
|
|
|
|
return(BAD_INDEX);
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// FileGetSize
|
|
//
|
|
// To get the current file size.
|
|
//
|
|
// Parameter List :
|
|
//
|
|
// HWFILE -> handle to file
|
|
//
|
|
// Return Value :
|
|
//
|
|
// INT32 -> file size in file if successful
|
|
// -> 0 if not
|
|
//
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
// 9 Feb 98 DEF - modified to work with the library system
|
|
//
|
|
//**************************************************************************
|
|
|
|
UINT32 FileGetSize( HWFILE hFile )
|
|
{
|
|
HANDLE hRealHandle;
|
|
UINT32 uiFileSize = 0xFFFFFFFF;
|
|
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//Get the handle to a real file
|
|
hRealHandle = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
|
|
uiFileSize = GetFileSize( hRealHandle, NULL );
|
|
}
|
|
else
|
|
{
|
|
//if the library is open
|
|
if( IsLibraryOpened( sLibraryID ) )
|
|
uiFileSize = gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].pFileHeader->uiFileLength;
|
|
}
|
|
|
|
|
|
if ( uiFileSize == 0xFFFFFFFF )
|
|
return(0);
|
|
else
|
|
return( uiFileSize );
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// FileDebugPrint
|
|
//
|
|
// To print the state of memory to output.
|
|
//
|
|
// Parameter List :
|
|
// Return Value :
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
//**************************************************************************
|
|
|
|
void FileDebugPrint( void )
|
|
{
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// GetHandleToRealFile
|
|
//
|
|
//
|
|
//
|
|
// Parameter List :
|
|
// Return Value :
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
// 9 Feb 98 DEF - modified to work with the library system
|
|
//
|
|
//**************************************************************************
|
|
|
|
HANDLE GetHandleToRealFile( HWFILE hFile, BOOLEAN *pfDatabaseFile )
|
|
{
|
|
HANDLE hRealFile;
|
|
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//Get the handle to the real file
|
|
hRealFile = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
*pfDatabaseFile = FALSE;
|
|
}
|
|
else
|
|
{
|
|
*pfDatabaseFile = TRUE;
|
|
hRealFile = (HANDLE) hFile;
|
|
}
|
|
|
|
return(hRealFile);
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// CreateFileHandle
|
|
//
|
|
//
|
|
//
|
|
// Parameter List :
|
|
// Return Value :
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
//**************************************************************************
|
|
/*
|
|
|
|
not needed anymore
|
|
|
|
HWFILE CreateFileHandle( HANDLE hRealFile, BOOLEAN fDatabaseFile )
|
|
{
|
|
UINT32 i, uiOldNumHandles;
|
|
FMFileInfo *pNewFileInfo;
|
|
|
|
Assert( !fDatabaseFile || (fDatabaseFile && gfs.fDBInitialized) );
|
|
|
|
// don't use 1st position - it'll confuse the users
|
|
for ( i=1 ; i<gfs.uiNumHandles ; i++ )
|
|
{
|
|
if ( gfs.pFileInfo[i].hFileHandle == 0 && gfs.pFileInfo[i].hDBFile == 0 )
|
|
{
|
|
if ( fDatabaseFile )
|
|
gfs.pFileInfo[i].hDBFile = (HDBFILE)hRealFile;
|
|
else
|
|
gfs.pFileInfo[i].hFileHandle = hRealFile;
|
|
return( i );
|
|
}
|
|
}
|
|
|
|
uiOldNumHandles = gfs.uiNumHandles;
|
|
|
|
pNewFileInfo = (FMFileInfo *)MemRealloc( gfs.pFileInfo, gfs.uiNumHandles + NUM_FILES_TO_ADD_AT_A_TIME );
|
|
if ( !pNewFileInfo )
|
|
{
|
|
// TBD: error error error
|
|
return(0);
|
|
}
|
|
gfs.pFileInfo = (FMFileInfo *)pNewFileInfo;
|
|
gfs.uiNumHandles = gfs.uiNumHandles + NUM_FILES_TO_ADD_AT_A_TIME;
|
|
|
|
for ( i=uiOldNumHandles ; i<gfs.uiNumHandles ; i++ )
|
|
{
|
|
gfs.pFileInfo[i].hFileHandle = 0;
|
|
gfs.pFileInfo[i].hDBFile = 0;
|
|
}
|
|
|
|
if ( fDatabaseFile )
|
|
gfs.pFileInfo[uiOldNumHandles].hDBFile = (HDBFILE)hRealFile;
|
|
else
|
|
gfs.pFileInfo[uiOldNumHandles].hFileHandle = hRealFile;
|
|
|
|
return(uiOldNumHandles);
|
|
}
|
|
*/
|
|
|
|
//**************************************************************************
|
|
//
|
|
// DestroyFileHandle
|
|
//
|
|
//
|
|
//
|
|
// Parameter List :
|
|
// Return Value :
|
|
// Modification history :
|
|
//
|
|
// 24sep96:HJH -> creation
|
|
//
|
|
//**************************************************************************
|
|
/*
|
|
void DestroyFileHandle( HWFILE hFile )
|
|
{
|
|
if ( hFile < gfs.uiNumHandles && hFile )
|
|
{
|
|
gfs.pFileInfo[hFile].hFileHandle = 0;
|
|
gfs.pFileInfo[hFile].hDBFile = 0;
|
|
}
|
|
}
|
|
*/
|
|
|
|
|
|
|
|
//**************************************************************************
|
|
//
|
|
// BuildFileDirectory
|
|
//
|
|
//
|
|
//
|
|
// Parameter List :
|
|
// Return Value :
|
|
// Modification history :
|
|
//
|
|
// ??nov96:HJH -> creation
|
|
//
|
|
//**************************************************************************
|
|
|
|
void BuildFileDirectory( void )
|
|
{
|
|
|
|
return; // temporary until container stuff is fixed
|
|
/*
|
|
INT32 i, iNumFiles = 0;
|
|
HANDLE hFile, hFileIn;
|
|
WIN32_FIND_DATA find, inFind;
|
|
BOOLEAN fMore = TRUE;
|
|
CHAR cName[FILENAME_LENGTH], cDir[FILENAME_LENGTH], cSubDir[FILENAME_LENGTH];
|
|
HCONTAINER hStack;
|
|
|
|
|
|
|
|
//
|
|
// First, push all the file names in the directory (and subdirectories)
|
|
// onto the stack.
|
|
//
|
|
|
|
GetProfileChar( "Startup", "InstPath", "", cDir );
|
|
|
|
if ( strlen( cDir ) == 0 )
|
|
return;
|
|
|
|
hStack = CreateStack( 100, FILENAME_LENGTH );
|
|
if (hStack == NULL)
|
|
{
|
|
FastDebugMsg(String("BuildFileDirectory: CreateStack Failed for the filename stack"));
|
|
return;
|
|
}
|
|
|
|
find.dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY;
|
|
|
|
strcpy( &(cDir[strlen(cDir)]), "\\*.*\0" );
|
|
hFile = FindFirstFile( cDir, &find );
|
|
while ( fMore )
|
|
{
|
|
if ( find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
|
|
{
|
|
if ( strcmp( find.cFileName, "." ) != 0 && strcmp( find.cFileName, ".." ) != 0 )
|
|
{
|
|
// a valid directory
|
|
inFind.dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY;
|
|
strcpy( cSubDir, cDir );
|
|
strcpy( &(cSubDir[strlen(cDir)-3]), find.cFileName );
|
|
strcpy( &(cSubDir[strlen(cSubDir)]), "\\*.*\0" );
|
|
hFileIn = FindFirstFile( cSubDir, &inFind );
|
|
iNumFiles += GetFilesInDirectory( hStack, cSubDir, hFileIn, &inFind );
|
|
FindClose( hFileIn );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
iNumFiles++;
|
|
strcpy( cName, cDir );
|
|
strcpy( &(cName[strlen(cName)-3]), find.cFileName );
|
|
CharLower( cName );
|
|
hStack = Push( hStack, cName );
|
|
}
|
|
find.dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY;
|
|
fMore = FindNextFile( hFile, &find );
|
|
}
|
|
FindClose( hFile );
|
|
|
|
//
|
|
// Okay, we have all the files in the stack, now put them in place.
|
|
//
|
|
gfs.uiNumFilesInDirectory = iNumFiles;
|
|
|
|
gfs.pcFileNames = (STR8)MemAlloc( iNumFiles * FILENAME_LENGTH );
|
|
|
|
if ( gfs.pcFileNames )
|
|
{
|
|
for ( i=0 ; i<iNumFiles ; i++ )
|
|
{
|
|
Pop( hStack, (void *)(&gfs.pcFileNames[i*FILENAME_LENGTH]) );
|
|
}
|
|
}
|
|
|
|
//
|
|
// Clean up.
|
|
//
|
|
|
|
DeleteStack( hStack );
|
|
*/
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// GetFilesInDirectory
|
|
//
|
|
// Gets the files in a directory and the subdirectories.
|
|
//
|
|
// Parameter List :
|
|
// Return Value :
|
|
// Modification history :
|
|
//
|
|
// ??nov96:HJH -> creation
|
|
//
|
|
//**************************************************************************
|
|
|
|
INT32 GetFilesInDirectory( HCONTAINER hStack, CHAR *pcDir, HANDLE hFile, WIN32_FIND_DATA *pFind )
|
|
{
|
|
INT32 iNumFiles;
|
|
WIN32_FIND_DATA inFind;
|
|
BOOLEAN fMore;
|
|
CHAR cName[FILENAME_LENGTH], cDir[FILENAME_LENGTH];
|
|
HANDLE hFileIn;
|
|
|
|
fMore = TRUE;
|
|
iNumFiles = 0;
|
|
|
|
while ( fMore )
|
|
{
|
|
if ( pFind->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
|
|
{
|
|
if ( strcmp( pFind->cFileName, "." ) != 0 && strcmp( pFind->cFileName, ".." ) != 0 )
|
|
{
|
|
// a valid directory - recurse and find the files in that directory
|
|
|
|
inFind.dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY;
|
|
strcpy( cDir, pcDir );
|
|
strcpy( &(cDir[strlen(cDir)-3]), pFind->cFileName );
|
|
strcpy( &(cDir[strlen(cDir)]), "\\*.*\0" );
|
|
hFileIn = FindFirstFile( cDir, &inFind );
|
|
iNumFiles += GetFilesInDirectory( hStack, cDir, hFileIn, &inFind );
|
|
FindClose( hFileIn );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
iNumFiles++;
|
|
strcpy( cName, pcDir );
|
|
strcpy( &(cName[strlen(cName)-3]), pFind->cFileName );
|
|
CharLower( cName );
|
|
hStack = Push( hStack, cName );
|
|
}
|
|
pFind->dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_DIRECTORY;
|
|
fMore = FindNextFile( hFile, pFind );
|
|
}
|
|
|
|
return(iNumFiles);
|
|
}
|
|
|
|
BOOLEAN SetFileManCurrentDirectory( STR pcDirectory )
|
|
{
|
|
return( SetCurrentDirectory( pcDirectory ) );
|
|
}
|
|
|
|
|
|
BOOLEAN GetFileManCurrentDirectory( STRING512 pcDirectory )
|
|
{
|
|
if (GetCurrentDirectory( 512, pcDirectory ) == 0)
|
|
{
|
|
return( FALSE );
|
|
}
|
|
return( TRUE );
|
|
}
|
|
|
|
|
|
BOOLEAN DirectoryExists( STRING512 pcDirectory )
|
|
{
|
|
UINT32 uiAttribs;
|
|
DWORD uiLastError;
|
|
|
|
uiAttribs = GetFileAttributes( pcDirectory );
|
|
|
|
if ( uiAttribs == 0xFFFFFFFF )
|
|
{
|
|
// an error, make sure it's the right error
|
|
uiLastError = GetLastError();
|
|
|
|
if (uiLastError != ERROR_FILE_NOT_FOUND)
|
|
{
|
|
FastDebugMsg(String("DirectoryExists: ERROR - GetFileAttributes failed, error #%d on file %s", uiLastError, pcDirectory));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// something's there, make sure it's a directory
|
|
if ( uiAttribs & FILE_ATTRIBUTE_DIRECTORY )
|
|
{
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
// this could also mean that the name given is that of a file, or that an error occurred
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
BOOLEAN MakeFileManDirectory( STRING512 pcDirectory )
|
|
{
|
|
return CreateDirectory( pcDirectory, NULL );
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Removes ALL FILES in the specified directory (and all subdirectories with their files if fRecursive is TRUE)
|
|
// Use EraseDirectory() to simply delete directory contents without deleting the directory itself
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
BOOLEAN RemoveFileManDirectory( STRING512 pcDirectory, BOOLEAN fRecursive )
|
|
{
|
|
WIN32_FIND_DATA sFindData;
|
|
HANDLE SearchHandle;
|
|
const CHAR8 *pFileSpec = "*.*";
|
|
BOOLEAN fDone = FALSE;
|
|
BOOLEAN fRetval=FALSE;
|
|
CHAR8 zOldDir[512];
|
|
CHAR8 zSubdirectory[512];
|
|
|
|
GetFileManCurrentDirectory( zOldDir );
|
|
|
|
if( !SetFileManCurrentDirectory( pcDirectory ) )
|
|
{
|
|
FastDebugMsg(String("RemoveFileManDirectory: ERROR - SetFileManCurrentDirectory on %s failed, error %d", pcDirectory, GetLastError()));
|
|
return( FALSE ); //Error going into directory
|
|
}
|
|
|
|
//If there are files in the directory, DELETE THEM
|
|
SearchHandle = FindFirstFile( pFileSpec, &sFindData);
|
|
if( SearchHandle != INVALID_HANDLE_VALUE )
|
|
{
|
|
|
|
fDone = FALSE;
|
|
do
|
|
{
|
|
// if the object is a directory
|
|
if( GetFileAttributes( sFindData.cFileName ) == FILE_ATTRIBUTE_DIRECTORY )
|
|
{
|
|
// only go in if the fRecursive flag is TRUE (like Deltree)
|
|
if (fRecursive)
|
|
{
|
|
sprintf(zSubdirectory, "%s\\%s", pcDirectory, sFindData.cFileName);
|
|
|
|
if ((strcmp(sFindData.cFileName, ".") != 0) && (strcmp(sFindData.cFileName, "..") != 0))
|
|
{
|
|
if (!RemoveFileManDirectory(zSubdirectory, TRUE))
|
|
{
|
|
FastDebugMsg(String("RemoveFileManDirectory: ERROR - Recursive call on %s failed", zSubdirectory));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// otherwise, all the individual files will be deleted, but the subdirectories remain, causing
|
|
// RemoveDirectory() at the end to fail, thus this function will return FALSE in that event (failure)
|
|
}
|
|
else
|
|
{
|
|
FileDelete( sFindData.cFileName );
|
|
}
|
|
|
|
//find the next file in the directory
|
|
fRetval = FindNextFile( SearchHandle, &sFindData );
|
|
if( fRetval == 0 )
|
|
{
|
|
fDone = TRUE;
|
|
}
|
|
} while(!fDone);
|
|
|
|
// very important: close the find handle, or subsequent RemoveDirectory() calls will fail
|
|
FindClose( SearchHandle );
|
|
}
|
|
|
|
if( !SetFileManCurrentDirectory( zOldDir ) )
|
|
{
|
|
FastDebugMsg(String("RemoveFileManDirectory: ERROR - SetFileManCurrentDirectory on %s failed, error %d", zOldDir, GetLastError()));
|
|
return( FALSE ); //Error returning from subdirectory
|
|
}
|
|
|
|
|
|
// The directory MUST be empty
|
|
fRetval = RemoveDirectory( pcDirectory );
|
|
if (!fRetval)
|
|
{
|
|
FastDebugMsg(String("RemoveFileManDirectory: ERROR - RemoveDirectory on %s failed, error %d", pcDirectory, GetLastError()));
|
|
}
|
|
|
|
return fRetval;
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Removes ALL FILES in the specified directory but leaves the directory alone. Does not affect any subdirectories!
|
|
// Use RemoveFilemanDirectory() to also delete the directory itself, or to recursively delete subdirectories.
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
BOOLEAN EraseDirectory( STRING512 pcDirectory)
|
|
{
|
|
WIN32_FIND_DATA sFindData;
|
|
HANDLE SearchHandle;
|
|
const CHAR8 *pFileSpec = "*.*";
|
|
BOOLEAN fDone = FALSE;
|
|
CHAR8 zOldDir[512];
|
|
|
|
GetFileManCurrentDirectory( zOldDir );
|
|
|
|
if( !SetFileManCurrentDirectory( pcDirectory ) )
|
|
{
|
|
FastDebugMsg(String("EraseDirectory: ERROR - SetFileManCurrentDirectory on %s failed, error %d", pcDirectory, GetLastError()));
|
|
return( FALSE ); //Error going into directory
|
|
}
|
|
|
|
//If there are files in the directory, DELETE THEM
|
|
SearchHandle = FindFirstFile( pFileSpec, &sFindData);
|
|
if( SearchHandle != INVALID_HANDLE_VALUE )
|
|
{
|
|
|
|
fDone = FALSE;
|
|
do
|
|
{
|
|
// if it's a file, not a directory
|
|
if( GetFileAttributes( sFindData.cFileName ) != FILE_ATTRIBUTES_DIRECTORY )
|
|
{
|
|
FileDelete( sFindData.cFileName );
|
|
}
|
|
|
|
//find the next file in the directory
|
|
if ( !FindNextFile( SearchHandle, &sFindData ))
|
|
{
|
|
fDone = TRUE;
|
|
}
|
|
} while(!fDone);
|
|
|
|
// very important: close the find handle, or subsequent RemoveDirectory() calls will fail
|
|
FindClose( SearchHandle );
|
|
}
|
|
|
|
// Snap: Delete the directory from the default Data catalogue (if it is there)
|
|
// Since the path can be either relative or absolute, try both methods
|
|
gDefaultDataCat.RemoveDir(pcDirectory, true);
|
|
gDefaultDataCat.RemoveDir(pcDirectory, false);
|
|
|
|
if( !SetFileManCurrentDirectory( zOldDir ) )
|
|
{
|
|
FastDebugMsg(String("EraseDirectory: ERROR - SetFileManCurrentDirectory on %s failed, error %d", zOldDir, GetLastError()));
|
|
return( FALSE ); //Error returning from directory
|
|
}
|
|
|
|
return( TRUE );
|
|
}
|
|
|
|
|
|
BOOLEAN GetExecutableDirectory( STRING512 pcDirectory )
|
|
{
|
|
SGPFILENAME ModuleFilename;
|
|
UINT32 cnt;
|
|
|
|
if ( GetModuleFileName( NULL, ModuleFilename, sizeof( ModuleFilename ) ) == 0 )
|
|
{
|
|
return( FALSE );
|
|
}
|
|
|
|
// Now get directory
|
|
strcpy( pcDirectory, ModuleFilename );
|
|
|
|
for ( cnt = strlen( pcDirectory ) - 1; cnt >= 0; cnt -- )
|
|
{
|
|
if ( pcDirectory[ cnt ] == '\\' )
|
|
{
|
|
pcDirectory[ cnt ] = '\0';
|
|
break;
|
|
}
|
|
}
|
|
|
|
return( TRUE );
|
|
}
|
|
|
|
BOOLEAN GetFileFirst( CHAR8 * pSpec, GETFILESTRUCT *pGFStruct )
|
|
{
|
|
INT32 x,iWhich=0;
|
|
BOOLEAN fFound;
|
|
|
|
CHECKF( pSpec != NULL );
|
|
CHECKF( pGFStruct != NULL );
|
|
|
|
fFound = FALSE;
|
|
for( x = 0; x < 20 && !fFound; x++)
|
|
{
|
|
if( !fFindInfoInUse[x] )
|
|
{
|
|
iWhich = x;
|
|
fFound = TRUE;
|
|
}
|
|
}
|
|
|
|
if ( !fFound )
|
|
return(FALSE);
|
|
|
|
pGFStruct->iFindHandle = iWhich;
|
|
|
|
hFindInfoHandle[iWhich] = FindFirstFile( pSpec, &Win32FindInfo[iWhich] );
|
|
|
|
if ( hFindInfoHandle[iWhich] == INVALID_HANDLE_VALUE )
|
|
return(FALSE);
|
|
fFindInfoInUse[iWhich] = TRUE;
|
|
|
|
W32toSGPFileFind( pGFStruct, &Win32FindInfo[iWhich] );
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
BOOLEAN GetFileNext( GETFILESTRUCT *pGFStruct )
|
|
{
|
|
CHECKF( pGFStruct != NULL );
|
|
|
|
if ( FindNextFile(hFindInfoHandle[pGFStruct->iFindHandle], &Win32FindInfo[pGFStruct->iFindHandle]) )
|
|
{
|
|
W32toSGPFileFind( pGFStruct, &Win32FindInfo[pGFStruct->iFindHandle] );
|
|
return(TRUE);
|
|
}
|
|
return(FALSE);
|
|
}
|
|
|
|
void GetFileClose( GETFILESTRUCT *pGFStruct )
|
|
{
|
|
if ( pGFStruct == NULL )
|
|
return;
|
|
|
|
FindClose( hFindInfoHandle[pGFStruct->iFindHandle] );
|
|
hFindInfoHandle[pGFStruct->iFindHandle] = INVALID_HANDLE_VALUE;
|
|
fFindInfoInUse[pGFStruct->iFindHandle] = FALSE;
|
|
|
|
return;
|
|
}
|
|
|
|
void W32toSGPFileFind( GETFILESTRUCT *pGFStruct, WIN32_FIND_DATA *pW32Struct )
|
|
{
|
|
UINT32 uiAttribMask;
|
|
|
|
// Copy the filename
|
|
strcpy(pGFStruct->zFileName, pW32Struct->cFileName);
|
|
|
|
// Get file size
|
|
if ( pW32Struct->nFileSizeHigh != 0 )
|
|
pGFStruct->uiFileSize = 0xffffffff;
|
|
else
|
|
pGFStruct->uiFileSize = pW32Struct->nFileSizeLow;
|
|
|
|
// Copy the file attributes
|
|
pGFStruct->uiFileAttribs = 0;
|
|
|
|
for( uiAttribMask = 0x80000000; uiAttribMask > 0; uiAttribMask >>= 1)
|
|
{
|
|
switch( pW32Struct->dwFileAttributes & uiAttribMask )
|
|
{
|
|
case FILE_ATTRIBUTE_ARCHIVE:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_ARCHIVE;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_DIRECTORY:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_DIRECTORY;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_HIDDEN:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_HIDDEN;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_NORMAL:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_NORMAL;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_READONLY:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_READONLY;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_SYSTEM:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_SYSTEM;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_TEMPORARY:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_TEMPORARY;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_COMPRESSED:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_COMPRESSED;
|
|
break;
|
|
|
|
case FILE_ATTRIBUTE_OFFLINE:
|
|
pGFStruct->uiFileAttribs |= FILE_IS_OFFLINE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
BOOLEAN FileCopy(STR strSrcFile, STR strDstFile, BOOLEAN fFailIfExists)
|
|
{
|
|
return(CopyFile(strSrcFile, strDstFile, fFailIfExists));
|
|
|
|
// Not needed, use Windows CopyFile
|
|
/*
|
|
HWFILE hFile;
|
|
UINT32 uiSize;
|
|
CHAR *pBuffer;
|
|
UINT32 uiBytesRead, uiBytesWritten;
|
|
|
|
|
|
// open source file
|
|
hFile = FileOpen(strSrcFile, FILE_ACCESS_READ, FALSE);
|
|
if (hFile == 0)
|
|
{
|
|
FastDebugMsg(String("FileCopy: FileOpen failed on Src file %s", strSrcFile));
|
|
return(FALSE);
|
|
}
|
|
|
|
// get its size
|
|
uiSize = FileGetSize(hFile);
|
|
if (uiSize == 0)
|
|
{
|
|
FastDebugMsg(String("FileCopy: size is 0, Src file %s", strSrcFile));
|
|
FileClose(hFile);
|
|
return(FALSE);
|
|
}
|
|
|
|
// allocate a buffer big enough to hold the entire file
|
|
pBuffer = MemAlloc(uiSize);
|
|
if (pBuffer == NULL)
|
|
{
|
|
FastDebugMsg(String("FileCopy: ERROR - MemAlloc pBuffer failed, size %d", uiSize));
|
|
FileClose(hFile);
|
|
return(FALSE);
|
|
}
|
|
|
|
// read the file into memory
|
|
if (!FileRead(hFile, pBuffer, uiSize, &uiBytesRead))
|
|
{
|
|
FastDebugMsg(String("FileCopy: FileRead failed, file %s", strSrcFile));
|
|
FileClose(hFile);
|
|
return(FALSE);
|
|
}
|
|
|
|
// close source file
|
|
FileClose(hFile);
|
|
|
|
|
|
// open destination file
|
|
hFile = FileOpen(strDstFile, FILE_ACCESS_WRITE | FILE_CREATE_ALWAYS, FALSE);
|
|
if (hFile == 0)
|
|
{
|
|
FastDebugMsg(String("FileCopy: FileOpen failed on Dst file %s", strDstFile));
|
|
return(FALSE);
|
|
}
|
|
|
|
// write buffer to the destination file
|
|
if (!FileWrite(hFile, pBuffer, uiSize, &uiBytesWritten))
|
|
{
|
|
FastDebugMsg(String("FileCopy: FileWrite failed, file %s", strDstFile));
|
|
FileClose(hFile);
|
|
return(FALSE);
|
|
}
|
|
|
|
// close destination file
|
|
FileClose(hFile);
|
|
|
|
|
|
MemFree(pBuffer);
|
|
pBuffer = NULL;
|
|
return(TRUE);
|
|
*/
|
|
}
|
|
|
|
BOOLEAN FileMove(STR strOldName, STR strNewName)
|
|
{
|
|
// rename
|
|
return(MoveFile(strOldName, strNewName));
|
|
}
|
|
|
|
//Additions by Kris Morness
|
|
BOOLEAN FileSetAttributes( STR strFilename, UINT32 uiNewAttribs )
|
|
{
|
|
UINT32 uiFileAttrib = 0;
|
|
|
|
if( uiNewAttribs & FILE_ATTRIBUTES_ARCHIVE )
|
|
uiFileAttrib |= FILE_ATTRIBUTE_ARCHIVE;
|
|
|
|
if( uiNewAttribs & FILE_ATTRIBUTES_HIDDEN )
|
|
uiFileAttrib |= FILE_ATTRIBUTE_HIDDEN;
|
|
|
|
if( uiNewAttribs & FILE_ATTRIBUTES_NORMAL )
|
|
uiFileAttrib |= FILE_ATTRIBUTE_NORMAL;
|
|
|
|
if( uiNewAttribs & FILE_ATTRIBUTES_OFFLINE )
|
|
uiFileAttrib |= FILE_ATTRIBUTE_OFFLINE;
|
|
|
|
if( uiNewAttribs & FILE_ATTRIBUTES_READONLY )
|
|
uiFileAttrib |= FILE_ATTRIBUTE_READONLY;
|
|
|
|
if( uiNewAttribs & FILE_ATTRIBUTES_SYSTEM )
|
|
uiFileAttrib |= FILE_ATTRIBUTE_SYSTEM;
|
|
|
|
if( uiNewAttribs & FILE_ATTRIBUTES_TEMPORARY )
|
|
uiFileAttrib |= FILE_ATTRIBUTE_TEMPORARY;
|
|
|
|
return SetFileAttributes( strFilename, uiFileAttrib );
|
|
}
|
|
|
|
|
|
UINT32 FileGetAttributes( STR strFilename )
|
|
{
|
|
UINT32 uiAttribs = 0;
|
|
UINT32 uiFileAttrib = 0;
|
|
|
|
uiAttribs = GetFileAttributes( strFilename );
|
|
|
|
if( uiAttribs == 0xFFFFFFFF )
|
|
return( uiAttribs );
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_ARCHIVE )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_ARCHIVE;
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_HIDDEN )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_HIDDEN;
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_NORMAL )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_NORMAL;
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_OFFLINE )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_OFFLINE;
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_READONLY )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_READONLY;
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_SYSTEM )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_SYSTEM;
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_TEMPORARY )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_TEMPORARY;
|
|
|
|
if( uiAttribs & FILE_ATTRIBUTE_DIRECTORY )
|
|
uiFileAttrib |= FILE_ATTRIBUTES_DIRECTORY;
|
|
|
|
|
|
|
|
return( uiFileAttrib );
|
|
}
|
|
|
|
BOOLEAN FileClearAttributes( STR strFilename )
|
|
{
|
|
return SetFileAttributes( (LPCSTR) strFilename, FILE_ATTRIBUTE_NORMAL );
|
|
}
|
|
|
|
|
|
//returns true if at end of file, else false
|
|
BOOLEAN FileCheckEndOfFile( HWFILE hFile )
|
|
{
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
HANDLE hRealFile;
|
|
// UINT8 Data;
|
|
UINT32 uiNumberOfBytesRead=0;
|
|
UINT32 uiOldFilePtrLoc=0;
|
|
UINT32 uiEndOfFilePtrLoc=0;
|
|
UINT32 temp=0;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//Get the handle to the real file
|
|
hRealFile = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
|
|
//Get the current position of the file pointer
|
|
uiOldFilePtrLoc = SetFilePointer( hRealFile, 0, NULL, FILE_CURRENT );
|
|
|
|
//Get the end of file ptr location
|
|
uiEndOfFilePtrLoc = SetFilePointer( hRealFile, 0, NULL, FILE_END );
|
|
|
|
//reset back to the original location
|
|
temp = SetFilePointer( hRealFile, -( (INT32)( uiEndOfFilePtrLoc - uiOldFilePtrLoc ) ), NULL, FILE_END );
|
|
|
|
//if the 2 pointers are the same, we are at the end of a file
|
|
if( uiEndOfFilePtrLoc <= uiOldFilePtrLoc )
|
|
{
|
|
return( 1 );
|
|
}
|
|
}
|
|
|
|
//else it is a library file
|
|
else
|
|
{
|
|
//if the database is initialized
|
|
if( gFileDataBase.fInitialized )
|
|
{
|
|
//if the library is open
|
|
if( IsLibraryOpened( sLibraryID ) )
|
|
{
|
|
//if the file is opened
|
|
if( gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].uiFileID != 0 )
|
|
{
|
|
UINT32 uiLength; //uiOffsetInLibrary
|
|
// HANDLE hLibraryFile;
|
|
// UINT32 uiNumBytesRead;
|
|
UINT32 uiCurPos;
|
|
|
|
uiLength = gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].pFileHeader->uiFileLength;
|
|
uiCurPos = gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].uiFilePosInFile;
|
|
|
|
//if we are trying to read more data then the size of the file, return an error
|
|
if( uiCurPos >= uiLength )
|
|
{
|
|
return( TRUE );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//we are not and the end of a file
|
|
return( 0 );
|
|
}
|
|
|
|
|
|
|
|
BOOLEAN GetFileManFileTime( HWFILE hFile, SGP_FILETIME *pCreationTime, SGP_FILETIME *pLastAccessedTime, SGP_FILETIME *pLastWriteTime )
|
|
{
|
|
HANDLE hRealFile;
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
FILETIME sCreationUtcFileTime;
|
|
FILETIME sLastAccessedUtcFileTime;
|
|
FILETIME sLastWriteUtcFileTime;
|
|
|
|
//Initialize the passed in variables
|
|
memset( pCreationTime, 0, sizeof( SGP_FILETIME ) );
|
|
memset( pLastAccessedTime, 0, sizeof( SGP_FILETIME ) );
|
|
memset( pLastWriteTime, 0, sizeof( SGP_FILETIME ) );
|
|
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its a real file, read the data from the file
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//get the real file handle to the file
|
|
hRealFile = gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle;
|
|
|
|
//Gets the UTC file time for the 'real' file
|
|
GetFileTime( hRealFile, &sCreationUtcFileTime, &sLastAccessedUtcFileTime, &sLastWriteUtcFileTime );
|
|
|
|
//converts the creation UTC file time to the current time used for the file
|
|
FileTimeToLocalFileTime( &sCreationUtcFileTime, pCreationTime );
|
|
|
|
//converts the accessed UTC file time to the current time used for the file
|
|
FileTimeToLocalFileTime( &sLastAccessedUtcFileTime, pLastAccessedTime );
|
|
|
|
//converts the write UTC file time to the current time used for the file
|
|
FileTimeToLocalFileTime( &sLastWriteUtcFileTime, pLastWriteTime );
|
|
}
|
|
else
|
|
{
|
|
//if the database is initialized
|
|
if( gFileDataBase.fInitialized )
|
|
{
|
|
//if the library is open
|
|
if( IsLibraryOpened( sLibraryID ) )
|
|
{
|
|
//if the file is opened
|
|
if( gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].uiFileID != 0 )
|
|
{
|
|
if( !GetLibraryFileTime( sLibraryID, uiFileNum, pLastWriteTime ) )
|
|
{
|
|
return( FALSE );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return( TRUE );
|
|
}
|
|
|
|
|
|
INT32 CompareSGPFileTimes( SGP_FILETIME *pFirstFileTime, SGP_FILETIME *pSecondFileTime )
|
|
{
|
|
return( CompareFileTime( pFirstFileTime, pSecondFileTime ) );
|
|
}
|
|
|
|
UINT32 FileSize(STR strFilename)
|
|
{
|
|
HWFILE hFile;
|
|
UINT32 uiSize;
|
|
|
|
if((hFile=FileOpen(strFilename, FILE_OPEN_EXISTING | FILE_ACCESS_READ, FALSE))==0)
|
|
return(0);
|
|
|
|
uiSize=FileGetSize(hFile);
|
|
FileClose(hFile);
|
|
|
|
return(uiSize);
|
|
}
|
|
|
|
|
|
|
|
HANDLE GetRealFileHandleFromFileManFileHandle( HWFILE hFile )
|
|
{
|
|
INT16 sLibraryID;
|
|
UINT32 uiFileNum;
|
|
|
|
GetLibraryAndFileIDFromLibraryFileHandle( hFile, &sLibraryID, &uiFileNum );
|
|
|
|
//if its the 'real file' library
|
|
if( sLibraryID == REAL_FILE_LIBRARY_ID )
|
|
{
|
|
//if its not already closed
|
|
if( gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].uiFileID != 0 )
|
|
{
|
|
return( gFileDataBase.RealFiles.pRealFilesOpen[ uiFileNum ].hRealFileHandle );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//if the file is not opened, dont close it
|
|
if( gFileDataBase.pLibraries[ sLibraryID ].pOpenFiles[ uiFileNum ].uiFileID != 0 )
|
|
{
|
|
return( gFileDataBase.pLibraries[ sLibraryID ].hLibraryHandle );
|
|
}
|
|
}
|
|
return( 0 );
|
|
}
|
|
|
|
//**************************************************************************
|
|
//
|
|
// AddSubdirectoryToPath
|
|
//
|
|
// Puts a subdirectory of the current working directory into the current
|
|
// task's system path.
|
|
//
|
|
// Parameter List :
|
|
// Return Value :
|
|
// Modification history :
|
|
//
|
|
// 10June98:DB -> creation
|
|
//
|
|
//**************************************************************************
|
|
BOOLEAN AddSubdirectoryToPath(CHAR8 *pDirectory)
|
|
{
|
|
CHAR8 *pSystemPath;
|
|
CHAR8 *pPath;
|
|
UINT32 uiPathLen;
|
|
|
|
// Check for NULL
|
|
if(!pDirectory)
|
|
return(FALSE);
|
|
|
|
// Check for zero length string
|
|
if(!strlen(pDirectory))
|
|
return(FALSE);
|
|
|
|
if((pSystemPath=(CHAR8 *)MemAlloc(_MAX_PATH))==NULL)
|
|
return(FALSE);
|
|
|
|
memset(pSystemPath, 0, _MAX_PATH);
|
|
|
|
if((pPath=(CHAR8 *)MemAlloc(_MAX_PATH))==NULL)
|
|
{
|
|
MemFree(pSystemPath);
|
|
return(FALSE);
|
|
}
|
|
|
|
memset(pPath, 0, _MAX_PATH);
|
|
|
|
// Builds a path to the directory with the SR DLL files.
|
|
_getcwd(pPath, _MAX_PATH);
|
|
uiPathLen=strlen(pPath);
|
|
if(uiPathLen)
|
|
uiPathLen--;
|
|
if(pPath[uiPathLen]!='\\')
|
|
strcat(pPath, "\\");
|
|
|
|
strcat(pPath, pDirectory);
|
|
|
|
// Appends it to the path for the current task
|
|
if(GetEnvironmentVariable("PATH", pSystemPath, _MAX_PATH))
|
|
{
|
|
strcat(pSystemPath, ";");
|
|
strcat(pSystemPath, pPath);
|
|
SetEnvironmentVariable("PATH", pSystemPath);
|
|
MemFree(pSystemPath);
|
|
MemFree(pPath);
|
|
return(TRUE);
|
|
}
|
|
else
|
|
{
|
|
MemFree(pSystemPath);
|
|
MemFree(pPath);
|
|
return(FALSE);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
UINT32 GetFreeSpaceOnHardDriveWhereGameIsRunningFrom( )
|
|
{
|
|
STRING512 zExecDir;
|
|
STRING512 zDrive;
|
|
STRING512 zDir;
|
|
STRING512 zFileName;
|
|
STRING512 zExt;
|
|
|
|
UINT32 uiFreeSpace = 0;
|
|
|
|
GetExecutableDirectory( zExecDir );
|
|
|
|
//get the drive letter from the exec dir
|
|
_splitpath( zExecDir, zDrive, zDir, zFileName, zExt);
|
|
|
|
sprintf( zDrive, "%s\\", zDrive );
|
|
|
|
uiFreeSpace = GetFreeSpaceOnHardDrive( zDrive );
|
|
|
|
return( uiFreeSpace );
|
|
}
|
|
|
|
|
|
|
|
|
|
UINT32 GetFreeSpaceOnHardDrive( STR pzDriveLetter )
|
|
{
|
|
UINT32 uiBytesFree=0;
|
|
|
|
UINT32 uiSectorsPerCluster=0;
|
|
UINT32 uiBytesPerSector=0;
|
|
UINT32 uiNumberOfFreeClusters=0;
|
|
UINT32 uiTotalNumberOfClusters=0;
|
|
|
|
if( !GetDiskFreeSpace( pzDriveLetter, (LPDWORD) &uiSectorsPerCluster, (LPDWORD) &uiBytesPerSector,
|
|
(LPDWORD) &uiNumberOfFreeClusters, (LPDWORD) &uiTotalNumberOfClusters ) )
|
|
{
|
|
UINT32 uiLastError = GetLastError();
|
|
char zString[1024];
|
|
FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM, 0, uiLastError, 0, zString, 1024, NULL);
|
|
|
|
return( TRUE );
|
|
}
|
|
|
|
uiBytesFree = uiBytesPerSector * uiNumberOfFreeClusters * uiSectorsPerCluster;
|
|
|
|
return( uiBytesFree );
|
|
}
|
|
|