Reverse a string

Reverse a string in place

/*

 * ReverseString.cpp

 *

 *  Created on: Apr 9, 2012

 *      Author: Kiran Hegde

 */

#include <iostream>

void reverse(char *str) {

    char *end = str;

    char tmp;

    if (str) {

        while(*end)

            ++end;

    }

    --end;

    while (str < end) {

        tmp = *str;

        *str++ = *end;

        *end-- = tmp;

    }

}

/**

 * Test the function

 */

using namespace std;

int main() {

    char str[] = "Reverse Me Now";

    cout << "Original: " << str << endl;

    reverse(str);

    cout << "Reverse: " << str << endl;

    return 0;

}