bool ModificationMap::addModification(ByteContainer &bc, unsigned __int64 addr, BYTE to, BYTE &old) {
BytePair *bpp = get(addr);
if(bpp) {
if(to == bpp->getFrom()) {
old = to;
remove(addr);
return true;
} else if(to != bpp->getTo()) {
BytePair nbp(bpp->getFrom(), to);
old = bpp->getTo();
remove(addr);
put(addr, nbp);
return true;
}
} else { // addr not found in map
const BYTE from = bc.getByte(addr);
if(to != from) {
old = from;
put(addr, BytePair(from, to));
return true;
}
}
return false;
}
