address_is_readable.h

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// Copyright 2017 The Abseil Authors.

//

// 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

//

//      https://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 ABSL_DEBUGGING_INTERNAL_ADDRESS_IS_READABLE_H_

#define ABSL_DEBUGGING_INTERNAL_ADDRESS_IS_READABLE_H_

#include "absl/base/config.h"

namespace absl {

ABSL_NAMESPACE_BEGIN

namespace debugging_internal {

// Return whether the byte at *addr is readable, without faulting.

// Save and restores errno.

bool AddressIsReadable(const void *addr);

}  // namespace debugging_internal

ABSL_NAMESPACE_END

}  // namespace absl

#endif  // ABSL_DEBUGGING_INTERNAL_ADDRESS_IS_READABLE_H_