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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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 ART_LIBARTBASE_BASE_SAFE_COPY_H_
#define ART_LIBARTBASE_BASE_SAFE_COPY_H_
#include <sys/types.h>
namespace art {
// Safely dereference a pointer.
// Returns -1 if safe copy isn't implemented on the platform, or if the transfer is too large.
// Returns 0 if src is unreadable.
ssize_t SafeCopy(void *dst, const void *src, size_t len);
} // namespace art
#endif // ART_LIBARTBASE_BASE_SAFE_COPY_H_
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