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32 lines
1.0 KiB
32 lines
1.0 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_LIBARTBASE_BASE_SAFE_COPY_H_
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#define ART_LIBARTBASE_BASE_SAFE_COPY_H_
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#include <sys/types.h>
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namespace art {
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// Safely dereference a pointer.
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// Returns -1 if safe copy isn't implemented on the platform, or if the transfer is too large.
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// Returns 0 if src is unreadable.
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ssize_t SafeCopy(void *dst, const void *src, size_t len);
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} // namespace art
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#endif // ART_LIBARTBASE_BASE_SAFE_COPY_H_
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