#include <iostream>
#include <fstream>
#include <cstdlib>
#include <stdio.h>
//#include "hiv.h"
using namespace std;

typedef struct ObjData {
	int* bufferadress;
	int length;
	int startbyte;
};
void printhelp(void){
	cout << "h: this help" <<endl;
	cout << "n:	dump the next bytes" << endl;
	cout << "p:	dump the previous bytes" << endl;
	cout << "s:	print filesize" << endl;
	cout << "" << endl;
	cout << "q:	quit" << endl;
}


void printx(ifstream *Fobj){
	printf("\n test::: %d\n",Fobj->tellg());
}

/*###################################################################*/
int main(int argc, char *argv[])
{
int FileBuffer[1024];	// temporärer speicher fuer zu grosse dateien
int ptr_buf, tmp, key;
int ByteNr;
int ptr_start, ptr_act,ptr_last;
unsigned int FileSize;
char StrNumber[]="0000";
int size2show;		// anzahl der angezigten daten
//ifstream FileObject;

ObjData ObjektDaten;

/* falscher aufruf von hiv, fehlermeldung*/
if (argc!=2){
	cout << "hiv <filename> \n" << endl;
	exit(1);
}

ifstream *FileObject = new ifstream;
if (FileObject==NULL) printf("\nFehler beim anlegen des Objektes\n");

// Datei oeffnen
FileObject->open(argv[1],ios::in | ios::binary);

// Datei nichtexistent
	if (!FileObject){
	cout << "\nFile nicht ladbar\n" << endl;
	exit(1);
}


// Filegroesse ermitteln
FileObject->seekg(0,istream::end);
FileSize=FileObject->tellg();

// setze seekg-pointer auf start
FileObject->seekg(0,istream::beg);
FileSize=FileObject->tellg();
ifstream test;

printf("\n%d\n",sizeof(test));

printf("\n%d\n",sizeof(*FileObject));
//test
printf("%4X\n",1000);

// hauptschleife
while(1){
	key=getc(stdin);
	switch( key ){
		case 'h'  : printhelp();	
			break;
		case 'n' : printx(FileObject );
			break;
		case 'p' : printx(FileObject );
			break;
		case 's' : printf("Filesize: %d\n",FileSize);
			break;
		
		case 'q' : goto ProgrammEnde;
			break;
		//default: printf( "\nfalsche Taste\n");
		//	break;
	}


}

ProgrammEnde:
FileObject->close();
delete FileObject;
  return 0;
}
///////////////////////////////////////////////////