/**
 * Copyright 2019 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef MINDSPORE_CCSRC_COMMON_UTILS_H_
#define MINDSPORE_CCSRC_COMMON_UTILS_H_

#include <memory>
#include <utility>
#include <string>

#define DISABLE_COPY_AND_ASSIGN(ClassType) \
  ClassType(const ClassType &) = delete;   \
  ClassType &operator=(const ClassType &) = delete;

namespace mindspore {
namespace common {
inline const char *SafeCStr(const std::string &str) { return str.c_str(); }
const char *SafeCStr(const std::string &&str);

static inline std::string GetEnv(const std::string &envvar) {
  const char *value = ::getenv(envvar.c_str());

  if (value == nullptr) {
    return std::string();
  }

  return std::string(value);
}
}  // namespace common
}  // namespace mindspore

#endif  // MINDSPORE_CCSRC_COMMON_UTILS_H_