Utils/GinExp/ExpFileIo.cpp

@@ -0,0 +1,262 @@
+/*=========================================================================
+
+	FILEIO.CPP
+
+	Author:  Tim Swann @ CLIMAX
+	Created:
+	Project:
+	Purpose:
+
+	Copyright (c) 1998 Climax Development Ltd
+
+===========================================================================*/
+
+/*----------------------------------------------------------------------
+	Includes
+	-------- */
+
+#include "AsciiExp.h"
+#include "ExpFileIO.h"
+
+
+/*	Std Lib
+	------- */
+
+/*	Glib
+	---- */
+
+/*	Local
+	----- */
+
+/*	Graphics
+	-------- */
+
+/*----------------------------------------------------------------------
+	Tyepdefs && Defines
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Structure defintions
+	-------------------- */
+
+/*----------------------------------------------------------------------
+	Positional Vars
+	--------------- */
+
+/*----------------------------------------------------------------------
+	Function Prototypes
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Vars
+	---- */
+
+/*----------------------------------------------------------------------
+	Data
+	---- */
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+
+void FIO_Stripfileinfo(char * Name, char * fname, char * ext, char * dir, char * drive)
+{
+	char tdrive[_MAX_DRIVE];
+	char tdir[_MAX_DIR];
+	char tfname[_MAX_FNAME];
+	char text[_MAX_EXT];
+
+
+	_splitpath(Name, tdrive, tdir, tfname, text);
+
+	if (fname)
+		strcpy(fname, tfname);
+
+	if (ext)
+		strcpy(ext, text);
+
+	if (dir)
+		strcpy(dir, tdir);
+
+	if (drive)
+		strcpy(drive, tdrive);
+
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+
+bool FIO_FileExists(const char * Name)
+{
+	int hFile;
+
+	/* Open input file */
+	hFile = _open(Name, _O_RDONLY | _O_BINARY);
+
+	if(hFile != -1)
+	{
+		_close(hFile);							// file close
+		return(TRUE);
+	}
+	else
+	{
+		return(FALSE);
+	}
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+
+void * FIO_Read(char const * Name, int Offset)
+{
+	int		hFile;
+	long	filelen;
+	void *	pAddr;
+	long	pos;
+
+
+	/* Open input file */
+	hFile = _open(Name, _O_RDONLY | _O_BINARY);
+
+	if(hFile != -1)
+	{
+		filelen = FIO_FileLen(Name);		// length of file
+		pAddr = malloc(filelen);			// allocate mainmemory
+
+		pos = _lseek( hFile, Offset, SEEK_SET );
+		if( pos == -1 )	assert(!"File seek");
+		filelen -= pos;
+
+		_read(hFile, pAddr, filelen);		// read in file
+		_close(hFile);						// file close
+	}
+	else
+	{
+		assert(0);
+	}
+	return pAddr;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+
+bool FIO_ReadAtAddr(char const * Name, unsigned char * Dest, int Len, int Offset)
+{
+	int		hFile;
+	long	filelen;
+	long	pos;
+
+
+	/* Open input file */
+	hFile = _open(Name, _O_RDONLY | _O_BINARY);
+
+	if(hFile != -1)
+	{
+		filelen = FIO_FileLen(Name);			// length of file
+
+		if (Len && (Len < filelen))	filelen = Len;
+
+		pos = _lseek( hFile, Offset, SEEK_SET );
+		if( pos == -1 )	assert(!"File seek");
+
+		_read(hFile, Dest, filelen);			// read in file
+		_close(hFile);							// file close
+	}
+	else
+	{
+		assert(0);
+	}
+	return TRUE;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+
+int FIO_FileLen(const char * Name)
+{
+	int hFile;
+	int filelen = 0;
+
+
+	/* Open input file */
+	hFile = _open(Name, _O_RDONLY | _O_BINARY);
+
+	if(hFile != -1)
+	{
+		filelen = _filelength(hFile);			// length of file
+		_close(hFile);							// file close
+	}
+	return filelen;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+
+bool FIO_Save(const char * Name,unsigned char * Addr,int Len)
+{
+	HANDLE			hFile;
+	UINT			fResult;
+	DWORD			nWrited;
+
+
+	/* Open output file */
+	hFile = CreateFile(	Name,						/* output filename */
+						GENERIC_WRITE,				/* mode = write */
+						0,							/* share mode = not share */
+						NULL,						/* security attribute = cancel */
+						CREATE_ALWAYS,				/* create file always */
+						FILE_ATTRIBUTE_NORMAL,		/* file attribute = normal */
+						NULL						/* template file = non */
+						);
+	if(hFile)
+	{
+		fResult = WriteFile(hFile,			/* IN  : file handle */
+							Addr,			/* IN  : pointer to write data */
+							(DWORD)Len,		/* IN  : number of data in bytes */
+							&nWrited,		/* OUT : number of data just writed */
+							NULL			/* IN  : pointer to OVERLAPPED structure */
+						  	);
+		CloseHandle(hFile);							/* close file */
+
+		if(fResult == FALSE)
+			assert(!("SaveFile: ERROR Can not write file %s",Name));
+	}
+	else
+	{
+		return FALSE;
+	}
+	return TRUE;
+}
+
+  
+  /*===========================================================================
+ end */