void StringBuffer::absorb(StringBuffer &buf) {
if (empty()) {
TAINT_OBSERVER_REGISTER_ACCESSED(buf.getTaintDataRefConst());
TAINT_OBSERVER_REGISTER_MUTATED(m_taint_data, dataIgnoreTaint());
StringData* str = m_str;
m_str = buf.m_str;
m_buffer = buf.m_buffer;
m_len = buf.m_len;
m_cap = buf.m_cap;
buf.m_str = str;
if (str) {
buf.m_buffer = (char*)str->data();
buf.m_len = str->size();
buf.m_cap = str->capacity();
} else {
buf.m_buffer = 0;
buf.m_len = 0;
buf.m_cap = 0;
}
buf.reset();
} else {
// REGISTER_ACCESSED()/REGISTER_MUTATED() are called by append()/detach()
append(buf.detach());
}
}
void StringBuffer::absorb(StringBuffer &buf) {
if (empty()) {
TAINT_OBSERVER_REGISTER_ACCESSED(buf.getTaintDataRefConst());
TAINT_OBSERVER_REGISTER_MUTATED(m_taint_data);
char *buffer = m_buffer;
int size = m_size;
m_buffer = buf.m_buffer;
m_size = buf.m_size;
m_pos = buf.m_pos;
buf.m_buffer = buffer;
buf.m_size = size;
buf.reset();
} else {
append(buf.detach());
}
}