Function FindAndDelete

src/script/interpreter.cpp:349–375

}

int FindAndDelete(CScript& script, const CScript& b)
{
    int nFound = 0;
    if (b.empty())
        return nFound;
    CScript result;
    CScript::const_iterator pc = script.begin(), pc2 = script.begin(), end = script.end();
    opcodetype opcode;
    do
    {
        result.insert(result.end(), pc2, pc);
        while (static_cast<size_t>(end - pc) >= b.size() && std::equal(b.begin(), b.end(), pc))
        {
            pc = pc + b.size();
            ++nFound;
        }
        pc2 = pc;
    }
    while (script.GetOp(pc, opcode));

    if (nFound > 0) {
        result.insert(result.end(), pc2, end);
        script = std::move(result);
    }

    return nFound;
}

namespace {
/** A data type to abstract out the condition stack during script execution.