/*
    This file is part of TON Blockchain Library.

    TON Blockchain Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    TON Blockchain Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2017-2019 Telegram Systems LLP
*/
#include "td/utils/tl_parsers.h"

namespace td {

alignas(4) const unsigned char TlParser::empty_data[sizeof(UInt256)] = {};  // static zero-initialized

void TlParser::set_error(const string &error_message) {
  if (error.empty()) {
    CHECK(!error_message.empty());
    error = error_message;
    error_pos = data_len - left_len;
    data = empty_data;
    left_len = 0;
    data_len = 0;
  } else {
    data = empty_data;
    CHECK(error_pos != std::numeric_limits<size_t>::max());
    LOG_CHECK(data_len == 0) << data_len << " " << left_len << " " << data << " " << &empty_data[0] << " " << error_pos
                             << " " << error;
    CHECK(left_len == 0);
  }
}

}  // namespace td