void split_string(std::vector<std::string>* container, const char* data, const char* delim, size_t data_length, size_t delim_length) {
    std::string buffer;

    while (*data) {
        if (memcmp(data, delim, delim_length) == 0) {
            if (buffer.empty() == false) {
                container->push_back(buffer);
                buffer.clear();
            }
            size_t temp = delim_length;
            while (temp-- && *data++);
        } else {
            buffer += *data++;
        }
    }

    if (buffer.empty() == false) {
        container->push_back(buffer);
    }
}

void parse_http_request(std::string* head, std::map<std::string,std::string>* args, const char* request, size_t request_len) {
    std::vector<std::string> lines;
    std::vector<std::string> buffer;

    split_string(&lines, request, "\r\n", request_len, 2);

    head->assign(lines[0]);
    lines.erase(lines.begin(), lines.begin()+1);

    for (std::vector<std::string>::iterator itr = lines.begin(); itr != lines.end(); itr++) {
        buffer.clear();
        split_string(&buffer, itr->c_str(), ": ", itr->size(), 2);
        args->insert(std::make_pair(buffer[0],buffer[1]));
    }
}