macros.h

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// Copyright 2015 Open Source Robotics Foundation, Inc.
//
// 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 RCL__MACROS_H_
#define RCL__MACROS_H_

#ifdef __cplusplus
extern "C"
{
#endif

#ifndef _WIN32
# define RCL_WARN_UNUSED __attribute__((warn_unused_result))
#else
# define RCL_WARN_UNUSED _Check_return_
#endif

#define RCL_UNUSED(x) (void)(x)

#ifdef __cplusplus
}
#endif

#endif  // RCL__MACROS_H_