/*
 =======================================================================================
  Name        : LogFile.cpp
 
  Author      : vincent lhullier            Date :27/07/97
 
  Description : implement function to write in a log file MngData operation
 =======================================================================================
  Modification -> Author :                  Date :
  Description :
 =======================================================================================
 */

/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#include <stdafx.h>
#include <io.h>
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/* 
 * put this line in comment if you don't want log file generation
 */
#define __LOGFILE__
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
		
/*
 =======================================================================================
	CONSTANTS 
 =======================================================================================
 */

/*
 * Name of log file 
 */
#define C_szLogFile	"MngData.Log"

/*
 =======================================================================================
	GLOBALS
 =======================================================================================
 */
char g_szLogFileFullName[MAX_PATH];


/*
 =======================================================================================
	FUNCTIONS 
 =======================================================================================
 */


/*
 ---------------------------------------------------------------------------------------
  Description   : initialize full name of log file, create it if it does'nt exist
 ---------------------------------------------------------------------------------------
 */
void LOG_fn_vInitLogFile( void )
{
#ifdef __LOGFILE__
	GetCurrentDirectory( MAX_PATH, g_szLogFileFullName );
	if (g_szLogFileFullName[ strlen( g_szLogFileFullName ) - 1 ] != '\\' )
		strcat( g_szLogFileFullName, "\\" );
	strcat( g_szLogFileFullName, C_szLogFile );

	if ( _access( g_szLogFileFullName, 0 ) != 0)
	{
		// if file doesn't exist create it
		FILE *hpFile;
		hpFile = fopen( g_szLogFileFullName, "wt" );
		if (hpFile == NULL)
			::MessageBox( NULL, "Unable to create Log file", "Warning", MB_OK );
		else
			fclose( hpFile );
	}
#endif //__LOGFILE__
}

/*
 ---------------------------------------------------------------------------------------
  Description   : delete log file
 ---------------------------------------------------------------------------------------
 */
void LOG_fn_vDeleteLogFile( void )
{
#ifdef __LOGFILE__
	remove( C_szLogFile );
#endif //__LOGFILE__
}

/*
 ---------------------------------------------------------------------------------------
  Description   : write data in log file
  szBuffer            -> data to write in Log File
  Returns (long ) number of bytes written in file
 ---------------------------------------------------------------------------------------
 */
long LOG_fn_lWriteInLogFile( char *szBuffer )
{
#ifdef __LOGFILE__
	long lWrite;
	FILE *hpFile;

	hpFile = fopen( g_szLogFileFullName, "at");

	if (hpFile == NULL)
		return 0;

	lWrite = fwrite( szBuffer, 1, strlen( szBuffer ), hpFile );
	fclose ( hpFile );
	return lWrite;
#endif //__LOGFILE__
}