Dynamic allocation
#include
<cstring>
//
Leaves us with a dangling pointer, also wastes space
char*
dup_string(char* s) {
const int max_buf = 1024;
char buf[max_buf];
strcpy(buf, s);
return buf;
}
// Using
dynamic allocation we're okay
char*
dup_string(char* s) {
int cnt = strlen(s) + 1;
char* new_string = new
char[cnt];
return new_string;
}