Disk ARchive
2.4.2
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00001 /*********************************************************************/ 00002 // dar - disk archive - a backup/restoration program 00003 // Copyright (C) 2002-2052 Denis Corbin 00004 // 00005 // This program is free software; you can redistribute it and/or 00006 // modify it under the terms of the GNU General Public License 00007 // as published by the Free Software Foundation; either version 2 00008 // of the License, or (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 // 00019 // to contact the author : http://dar.linux.free.fr/email.html 00020 /*********************************************************************/ 00021 // $Id: wrapperlib.hpp,v 1.14 2011/01/09 17:25:58 edrusb Rel $ 00022 // 00023 /*********************************************************************/ 00024 00032 00033 #ifndef WRAPPERLIB_HPP 00034 #define WRAPPERLIB_HPP 00035 00036 #include "../my_config.h" 00037 00038 extern "C" 00039 { 00040 #if HAVE_ZLIB_H && LIBZ_AVAILABLE 00041 #include <zlib.h> 00042 #endif 00043 00044 #if HAVE_BZLIB_H && LIBBZ2_AVAILABLE 00045 #include <bzlib.h> 00046 #endif 00047 } // end extern "C" 00048 00049 #include "integers.hpp" 00050 00051 namespace libdar 00052 { 00053 00056 00057 const int WR_OK = 0; 00058 const int WR_MEM_ERROR = 1; 00059 const int WR_VERSION_ERROR = 2; 00060 const int WR_STREAM_ERROR = 3; 00061 const int WR_DATA_ERROR = 4; 00062 const int WR_NO_FLUSH = 5; 00063 const int WR_BUF_ERROR = 6; 00064 const int WR_STREAM_END = 7; 00065 const int WR_FINISH = 8; 00066 00067 enum wrapperlib_mode { zlib_mode, bzlib_mode }; 00068 00070 00074 00075 class wrapperlib 00076 { 00077 public: 00078 wrapperlib(wrapperlib_mode mode); 00079 wrapperlib(const wrapperlib & ref); 00080 const wrapperlib & operator = (const wrapperlib & ref); 00081 ~wrapperlib(); 00082 00083 void set_next_in(const char *x) { return (this->*x_set_next_in)(x); }; 00084 void set_avail_in(U_I x) { return (this->*x_set_avail_in)(x); }; 00085 U_I get_avail_in() const { return (this->*x_get_avail_in)(); }; 00086 U_64 get_total_in() const { return (this->*x_get_total_in)(); }; 00087 00088 void set_next_out(char *x) { return (this->*x_set_next_out)(x); }; 00089 char *get_next_out() const { return (this->*x_get_next_out)(); }; 00090 void set_avail_out(U_I x) { return (this->*x_set_avail_out)(x); }; 00091 U_I get_avail_out() const { return (this->*x_get_avail_out)(); }; 00092 U_64 get_total_out() const { return (this->*x_get_total_out)(); }; 00093 00094 S_I compressInit(U_I compression_level) { level = compression_level; return (this->*x_compressInit)(compression_level); }; 00095 S_I decompressInit() { return (this->*x_decompressInit)(); }; 00096 S_I compressEnd() { return (this->*x_compressEnd)(); }; 00097 S_I decompressEnd() { return (this->*x_decompressEnd)(); }; 00098 S_I compress(S_I flag) { return (this->*x_compress)(flag); }; 00099 S_I decompress(S_I flag) { return (this->*x_decompress)(flag);}; 00100 S_I compressReset(); 00101 S_I decompressReset(); 00102 00103 private: 00104 #if LIBZ_AVAILABLE 00105 z_stream *z_ptr; 00106 #endif 00107 #if LIBBZ2_AVAILABLE 00108 bz_stream *bz_ptr; 00109 #endif 00110 S_I level; 00111 00112 void (wrapperlib::*x_set_next_in)(const char *x); 00113 void (wrapperlib::*x_set_avail_in)(U_I x); 00114 U_I (wrapperlib::*x_get_avail_in)() const; 00115 U_64 (wrapperlib::*x_get_total_in)() const; 00116 00117 void (wrapperlib::*x_set_next_out)(char *x); 00118 char *(wrapperlib::*x_get_next_out)() const; 00119 void (wrapperlib::*x_set_avail_out)(U_I x); 00120 U_I (wrapperlib::*x_get_avail_out)() const; 00121 U_64 (wrapperlib::*x_get_total_out)() const; 00122 00123 S_I (wrapperlib::*x_compressInit)(U_I compression_level); 00124 S_I (wrapperlib::*x_decompressInit)(); 00125 S_I (wrapperlib::*x_compressEnd)(); 00126 S_I (wrapperlib::*x_decompressEnd)(); 00127 S_I (wrapperlib::*x_compress)(S_I flag); 00128 S_I (wrapperlib::*x_decompress)(S_I flag); 00129 00130 00131 // set of routines for zlib 00132 #if LIBZ_AVAILABLE 00133 S_I z_compressInit(U_I compression_level); 00134 S_I z_decompressInit(); 00135 S_I z_compressEnd(); 00136 S_I z_decompressEnd(); 00137 S_I z_compress(S_I flag); 00138 S_I z_decompress(S_I flag); 00139 void z_set_next_in(const char *x); 00140 void z_set_avail_in(U_I x); 00141 U_I z_get_avail_in() const; 00142 U_64 z_get_total_in() const; 00143 void z_set_next_out(char *x); 00144 char *z_get_next_out() const; 00145 void z_set_avail_out(U_I x); 00146 U_I z_get_avail_out() const; 00147 U_64 z_get_total_out() const; 00148 #endif 00149 00150 // set of routines for bzlib 00151 #if LIBBZ2_AVAILABLE 00152 S_I bz_compressInit(U_I compression_level); 00153 S_I bz_decompressInit(); 00154 S_I bz_compressEnd(); 00155 S_I bz_decompressEnd(); 00156 S_I bz_compress(S_I flag); 00157 S_I bz_decompress(S_I flag); 00158 void bz_set_next_in(const char *x); 00159 void bz_set_avail_in(U_I x); 00160 U_I bz_get_avail_in() const; 00161 U_64 bz_get_total_in() const; 00162 void bz_set_next_out(char *x); 00163 char *bz_get_next_out() const; 00164 void bz_set_avail_out(U_I x); 00165 U_I bz_get_avail_out() const; 00166 U_64 bz_get_total_out() const; 00167 #endif 00168 }; 00169 00171 00172 } // end of namespace 00173 00174 #endif