log2file.h

evc4 console app that monitors battery status and writes a csv log file and broadcasts every measure

//log2file.h

//use #define UseLogging to enable logging
#define UseLogging		//to enable logging to file

//global
char	logFileName[MAX_PATH];
TCHAR	logFileNameW[MAX_PATH];
//bool	FirstStart = FALSE;

void Add2Log(TCHAR);
void Add2Log(LPSTR);
void Add2Log(TCHAR *txt, BOOL bLogTime);
void Add2Log(char *txt, BOOL bLogTime);
void Add2Log (TCHAR *lpszFormat, ...);
void Add2LogWtime (TCHAR *lpszFormat, ...);

int writefile(LPTSTR);
int newfile(LPSTR);
int newfile(TCHAR);
int appendfile(LPSTR);

//=================================================================================
//implementation
//=================================================================================
//-----------------------------------------------------------------------
// Add2Log - Add string to the the file
//
void Add2Log (TCHAR *lpszFormat, ...) {
    int nBuf;//, i;
    TCHAR szBuffer[512];

    va_list args;
    va_start(args, lpszFormat);

    nBuf = vswprintf(szBuffer, lpszFormat, args);
	Add2Log(szBuffer, false);
    va_end(args);
}
//-----------------------------------------------------------------------
// Add2Log - Add string to the the file
//
void Add2LogWtime (TCHAR *lpszFormat, ...) {
    int nBuf;//, i;
    TCHAR szBuffer[512];

    va_list args;
    va_start(args, lpszFormat);

    nBuf = vswprintf(szBuffer, lpszFormat, args);
	Add2Log(szBuffer, true);
    va_end(args);
}
//-----------------------------------------------------------------------
// appendfile - set the global filename to append text
//
int appendfile(char *filename)
{
	//store the filename to use in char and tchar
	sprintf(logFileName, filename);
	mbstowcs(logFileNameW, logFileName, sizeof(logFileName)*sizeof(logFileName[0]));

	FILE	*fp;
	fp = fopen(logFileName, "a+");
	fclose(fp);
	return 0;
}

int newfile(char *filename)
{
	//store the filename to use in char and tchar
	sprintf(logFileName, filename);
	mbstowcs(logFileNameW, logFileName, sizeof(logFileName)*sizeof(logFileName[0]));

	FILE	*fp;
	fp = fopen(logFileName, "w+");
	fclose(fp);
	return 0;
}

int newfile(TCHAR *filename)
{
	//store the filename to use in char and tchar
	TCHAR logFileNameW[MAX_PATH];
	wsprintf(logFileNameW, filename);
	wcstombs(logFileName, logFileNameW, sizeof(logFileNameW)*sizeof(logFileNameW[0]));

	FILE	*fp;
	fp = fopen(logFileName, "w+");
	fclose(fp);
	return 0;
}

int writefile(TCHAR *filetext)
{
#ifdef UseLogging
	/* File Write Function, written by professor chemicalX */
	FILE	*fp;						/* Declare FILE structure */
	TCHAR  szTemp[1500];
	char  szTempA[1500];

	wsprintf(szTemp, L"%s", filetext);
	wcstombs(szTempA, szTemp, sizeof(szTemp)/sizeof(TCHAR));

	fp = fopen(logFileName, "a+");

	/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
	/* First of we open the file supplied by the filename paremeter */

	/*
	 * in the "a+" mode for appending, so if it doesnt exist its created.