00001 // -*- c++ -*- 00002 // 00003 // $Id: bdbuffer.h 2361 2009-06-11 15:06:39Z rafi $ 00004 // 00005 // Copyright (C) 2008, 2009 Rafael Ostertag 00006 // 00007 // This file is part of YAPET. 00008 // 00009 // YAPET is free software: you can redistribute it and/or modify it under the 00010 // terms of the GNU General Public License as published by the Free Software 00011 // Foundation, either version 3 of the License, or (at your option) any later 00012 // version. 00013 // 00014 // YAPET is distributed in the hope that it will be useful, but WITHOUT ANY 00015 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00016 // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 00017 // details. 00018 // 00019 // You should have received a copy of the GNU General Public License along with 00020 // YAPET. If not, see <http://www.gnu.org/licenses/>. 00021 // 00022 // Additional permission under GNU GPL version 3 section 7 00023 // 00024 // If you modify this program, or any covered work, by linking or combining it 00025 // with the OpenSSL project's OpenSSL library (or a modified version of that 00026 // library), containing parts covered by the terms of the OpenSSL or SSLeay 00027 // licenses, Rafael Ostertag grants you additional permission to convey the 00028 // resulting work. Corresponding Source for a non-source form of such a 00029 // combination shall include the source code for the parts of OpenSSL used as 00030 // well as that of the covered work. 00031 // 00032 00033 #ifndef _BDBUFFER_H 00034 #define _BDBUFFER_H 00035 00036 #ifdef HAVE_CONFIG_H 00037 #include <config.h> 00038 #endif 00039 00040 #ifdef HAVE_INTTYPES_H 00041 # include <inttypes.h> 00042 #endif 00043 00044 #ifdef HAVE_STDLIB_h 00045 # include <stdlib.h> 00046 #endif 00047 00048 #ifdef HAVE_STDEXCEPT 00049 # include <stdexcept> 00050 #endif 00051 00052 #include "yapetexception.h" 00053 00054 namespace YAPET { 00071 class BDBuffer { 00072 private: 00078 uint32_t _size; 00079 00085 uint8_t* data; 00086 00087 protected: 00089 uint8_t* alloc_mem(uint32_t s) throw(YAPETException); 00091 void free_mem(uint8_t* d, uint32_t s); 00092 00093 public: 00095 BDBuffer(uint32_t is) throw(YAPETException); 00096 BDBuffer(); 00097 BDBuffer(const BDBuffer& ed) throw(YAPETException); 00099 ~BDBuffer(); 00100 00102 void resize(uint32_t ns) throw(YAPETException); 00111 uint32_t size() const { return _size; } 00112 00114 uint8_t* at(uint32_t pos) throw(std::out_of_range); 00116 const uint8_t* at(uint32_t pos) const throw(std::out_of_range); 00117 00119 const uint8_t* operator()() const { return data; } 00121 uint8_t* operator()() { return data; } 00122 00124 operator uint8_t*() { return data; } 00126 operator const uint8_t*() const { return data; } 00127 00129 operator const void*() { return (void*)data; } 00130 00131 const BDBuffer& operator=(const BDBuffer& ed); 00132 00133 }; 00134 00135 } 00136 00137 #endif // _BDBUFFER_H