please help (novice)

From: ranger (sgrine_at_msn.com)
Date: 11/20/04 

Date: 20 Nov 2004 11:22:23 -0800

Hi,

I'm a beginner with C++, studying on my own from a book and I've
encoutered quite some problems.. If possible, someone out there might
help me out..

The problem is the following.. I've tried to create a couple of string
class/functions.. and they do compile.. but when I run them.. windows
suddenly reports an error.. As I'm just a beginner in C++, with noone
around me to help.. I'd appreciate if someone might help me out!

The simple (reduced) code is the following:

#include <iostream.h>
#include <stdio.h>
#include <stdlib.h> // for EXIT_SUCCESS
#include <string.h>

class string{
public:
        string(void){characters = 0; pt = NULL;}
        string(char *s);
private:
        int characters;
        char *pt;
};

string::string(char *s){
        characters = strlen(s);
        pt = new char[characters];
        if (pt = NULL){
                cerr << "Failed to allocate string.\n";
                exit(EXIT_FAILURE);
        }
        memcpy(pt, s, characters);
}

void main()
{
        string s1("My first string");
}

If you compile it, you'll see that the compiler doesn't report any
error.. but when running it, you'll see that you suddenly get a
windows error report..

Does someone know what the source of this fault might be and what to
change about the code above?

Thanks!!

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