1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_LIBARTBASE_BASE_SAFE_COPY_H_ 18 #define ART_LIBARTBASE_BASE_SAFE_COPY_H_ 19 20 #include <sys/types.h> 21 22 namespace art { 23 24 // Safely dereference a pointer. 25 // Returns -1 if safe copy isn't implemented on the platform, or if the transfer is too large. 26 // Returns 0 if src is unreadable. 27 ssize_t SafeCopy(void *dst, const void *src, size_t len); 28 29 } // namespace art 30 31 #endif // ART_LIBARTBASE_BASE_SAFE_COPY_H_ 32
