Mega Code Archive
Your own string class
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#include<iostream.h>
#include<string.h>
#include<stdlib.h>
class String
{
char *p;
int length;
public:
String();
String(char *str,int len);
char *getstring(){return p;}
int getlength(){return length;}
};
String::String()
{
p=new char[255];
if(!p)
{
cout<<"Allocation erroe\n";
exit(1);
}
*p='\0';
length=255;
}
String::String(char * str,int len)
{
if(strlen(str)>=len)
{
cout<<"Allcation too little memory! \n";
exit(1);
}
p=new char[len];
if(!p)
{
cout<<"Allocation error\n";
exit(1);
}
strcpy(p,str);
length=len;
}
main()
{
String ob1;
String ob2("This is a string.",100);
cout<<"ob1:"<<ob1.getstring()<<"-Allocation length:";
cout<<ob1.getlength()<<'\n';
cout<<"ob2:"<<ob2.getstring()<<"-Allocation length:";
cout<<ob2.getlength()<<'\n';
return 0;
}
ob1:-Allocation length:255
ob2:This is a string.-Allocation length:100
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