1// Copyright 2017 The Abseil Authors.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// https://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef ABSL_DEBUGGING_INTERNAL_ADDRESS_IS_READABLE_H_
16#define ABSL_DEBUGGING_INTERNAL_ADDRESS_IS_READABLE_H_
17
18namespace absl {
19namespace debugging_internal {
20
21// Return whether the byte at *addr is readable, without faulting.
22// Save and restores errno.
23bool AddressIsReadable(const void *addr);
24
25} // namespace debugging_internal
26} // namespace absl
27
28#endif // ABSL_DEBUGGING_INTERNAL_ADDRESS_IS_READABLE_H_
29