strngbadfixed.cpp

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// strngbadfixed.cpp -- StringBad class methods
#include <cstring>                    // string.h for some
#include "strngbadfixed.h"
using std::cout;

// initializing static class member
int StringBad::num_strings = 0;

// class methods

// construct StringBad from C string
StringBad::StringBad(const char * s)
{
    len = std::strlen(s);                  // set size
    str = new char[len + 1];          // allot storage
    std::strcpy(str, s);                   // initialize pointer
    num_strings++;                    // set object count
    cout << num_strings << ": \"" << str
         << "\" object created\n";    // For Your Information
}

StringBad::StringBad()                // default constructor
{
    len = 4;
    str = new char[4];
    std::strcpy(str, "C++");               // default string
    num_strings++;
    cout << num_strings << ": \"" << str
         << "\" default object created\n";  // FYI
}

StringBad::StringBad(const StringBad & st)
{
    num_strings++;             // handle static member update
    len = st.len;              // same length
    str = new char [len + 1];  // allot space
    std::strcpy(str, st.str);       // copy string to new location
}


StringBad::~StringBad()               // necessary destructor
{
    cout << "\"" << str << "\" object deleted, ";    // FYI
    --num_strings;                    // required
    cout << num_strings << " left\n"; // FYI
    delete [] str;                    // required
}

    // assign a String to a String
StringBad & StringBad::operator=(const StringBad & st)
{
    if (this == &st)
        return *this;
    delete [] str;
    len = st.len;
    str = new char[len + 1];
    std::strcpy(str, st.str);
    return *this;
}

ostream & operator<<(ostream & os, const StringBad & st)
{
    os << st.str;
    return os; 
}