[serking]

#include <iostream>


using namespace std;



class Computer{
    
    private :
    
    char* op_name;
    char* hardwarename;
    
    
    public :
    
    Computer();
    
    Computer(const char* op_name,const char* hardwarename);
    
    Computer(const Computer& anothercomputer);
    
    Computer& operator=(const Computer& other);
    
    void print();
    
};



Computer::Computer(){
  
    op_name=NULL;
    hardwarename=NULL;
    
};

Computer::Computer(const char* op_name,const char* hardwarename){
    

    if(op_name!=NULL&&hardwarename!=NULL){
        
        delete(this->op_name);
        delete(this->hardwarename);
        
        this->op_name=strdup(op_name);
        this->hardwarename=strdup(hardwarename);
        
    }
};


Computer::Computer(const Computer& anothercomputer){
    
    if(op_name!=NULL&&hardwarename!=NULL){
        
        delete(this->op_name);
        delete(this->hardwarename);
        
        this->op_name=strdup(anothercomputer.op_name);
        this->hardwarename=strdup(anothercomputer.hardwarename);
    }
};


Computer& Computer::operator=(const Computer& other){
    
    if(op_name!=NULL&&hardwarename!=NULL){
        
        delete(this->op_name);
        delete(this->hardwarename);
        
        this->op_name=strdup(other.op_name);
        this->hardwarename=strdup(other.hardwarename);
        
    }
    
    return *this;
    
};


void Computer::print(){
    
    cout<<"op_name : "<<op_name<<" hardwarename : "<<hardwarename<<endl;
}


int main(){
    
    
    Computer serotik("Mac","Serotik");
    
    serotik.print();
    Computer enis=serotik;
    
    enis.print();
    
    
    
    
}

Fehlermeldung

a.out(1025,0x7fff79a39000) malloc: *** error for object 0x7fff508cdc00: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
Abort trap: 6
Serhads-MacBook-Proesktop Sero$ g++ computer.cpp
Serhads-MacBook-Proesktop Sero$ ./a.out
a.out(1030,0x7fff79a39000) malloc: *** error for object 0x7fff5b058c00: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
Abort trap: 6
Serhads-MacBook-Proesktop Sero$