sortdemo.cpp

callback demo program, you can learn how to write callback functions

// SortDemo.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <cstring>
#include <iostream>
#include "..\shared\sort.h"

using std::cout;

int __stdcall CompareInts(const byte* velem1, const byte* velem2)
{
	int elem1 = *(int*)velem1;
	int elem2 = *(int*)velem2;

	if(elem1 < elem2)
		return -1;
	if(elem1 > elem2)
		return 1;

	return 0;
}

int __stdcall CompareStrings(const byte* velem1, const byte* velem2)
{
	const char* elem1 = (char*)velem1;
	const char* elem2 = (char*)velem2;

	return strcmp(elem1, elem2);
}

int main(int argc, char* argv[])
{
	int i;
	int array[] = {5432, 4321, 3210, 2109, 1098};
	
	cout << "Before sorting ints with Bubblesort\n";
	for(i=0; i<5; i++)
		cout << array[i] << '\n';
	
	Bubblesort((byte*)array, 5, sizeof(array[0]), &CompareInts);
	
	cout << "After the sorting\n";
	for(i=0; i<5; i++)
		cout << array[i] << '\n';
	
	const char str[5][10] = {"estella", "danielle", "crissy", "bo", "angie"};
	
	cout << "Before sorting strings with Quicksort\n";
	for(i=0; i<5; i++)
		cout << str[i] << '\n';
	
	Quicksort((byte*)str, 5, 10, &CompareStrings);
	
	cout << "After the sorting\n";
	for(i=0; i<5; i++)
		cout << str[i] << '\n';
	
	return 0;
}