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#ifndef BAD_THING_H
#define BAD_THING_H
class payloader{
public:
int refcount;
char str[0];
};
class bad_thing: public std::exception{
payloader* load;
char* &raw;
public:
virtual const char* what() const throw() {
return load->str;
}
bad_thing();
// copy constructor.
// It's OK to copy a pointer to the refcount,
// but it would not be OK to copy the refcount!
bad_thing(const bad_thing &other)
: load(other.load), raw((char*&) load)
{
load->refcount++;
//xx std::cerr << "Copied! --> " << load->refcount << std::endl;
}
bad_thing(const std::string msg)
: raw((char*&) load)
{
size_t len = msg.size();
raw = new char[1+len + sizeof(payloader)];
load->refcount = 1;
for (unsigned int ii = 0; ii < len; ii++){
load->str[ii] = msg[ii];
}
load->str[len] = 0;
}
~bad_thing() throw() {
if (--load->refcount) return;
//xx std::cerr << "delete!" << std::endl;
delete[] raw;
}
};
#endif
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