qrgen.cpp

#include <iostream>
#include <fstream>
#include <string>
#include <qrencode.h>

using namespace std;


unsigned char *QRGen(string dataString)//Now takes single string param
{
   //string sampleDataString = "It Works!!!"; Keep for backup, in case input does not work.
   if(dataString != NULL || dataString != "") //make sure that the input actually contains data first.
   {
   	QRcode *qrc;
   	qrc = new QRcode;
   	qrc = QRcode_encodeString8bit(dataString.c_str(),4,QR_ECLEVEL_Q);
   	cout << "The QRC data string should be " << dataString << endl; //Ensure the input is correct.
   	return qrc->data;
   }
   
   else //convert -1 to unsigned char* and return it for error;
   {
    	unsigned char *error;
    	error = new unsigned char;
    	*error = (unsigned char)-1;
    	return *error;
   }
}

void test()//function to test QRGen
{
   cout << QRGen("Hello, World") << endl;//should print out QRC data from QRGen
}

int main()//used to call test function
{
	test();
	return 0;
}