jeffw@CSSUN.TAMU.EDU (Jeffrey A Waller) (10/10/89)
#ifndef __string #define __string #include <stream.h> #include <string.h> class string { friend ostream &operator<<(ostream &output,string &s); private: char *dataptr; public: string(int size = 0) { if(size > 0) dataptr = new char[size]; else dataptr = 0; } string(char *copyfrom) { if(copyfrom) { dataptr = new char[strlen(copyfrom) + 1]; if(dataptr) strcpy(dataptr,copyfrom); } else dataptr = 0; } string(string &s) { if(s.dataptr) { dataptr = new char[strlen(s.dataptr) + 1]; if(dataptr) strcpy(dataptr,s.dataptr); } else dataptr = 0; } string &operator=(string &s); string operator+(string &s); int operator==(string &s) { if(dataptr && s.dataptr) return(!strcmp(dataptr,s.dataptr)); else return(FALSE); } ~string() { delete dataptr; } }; #endif