1 /* 2 * Copyright 2011, 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 MEM_CHUNK_H 18 #define MEM_CHUNK_H 19 20 #include <stddef.h> 21 #include <stdlib.h> 22 23 class MemChunk { 24 private: 25 unsigned char *buf; 26 size_t buf_size; 27 28 public: 29 MemChunk(); 30 31 ~MemChunk(); 32 33 bool allocate(size_t size); 34 35 void print() const; 36 37 bool protect(int prot); 38 39 unsigned char const *getBuffer() const { 40 return buf; 41 } 42 43 unsigned char *getBuffer() { 44 return buf; 45 } 46 47 unsigned char &operator[](size_t index) { 48 return buf[index]; 49 } 50 51 unsigned char const &operator[](size_t index) const { 52 return buf[index]; 53 } 54 55 size_t size() const { 56 return buf_size; 57 } 58 59 }; 60 61 #endif // MEM_CHUNK_H 62
