00001 00003 00004 // 00005 // Copyright (c) 2004-2007 University of Southern California 00006 // Rob Peters <rjpeters at usc dot edu> 00007 // 00008 // created: Fri Oct 8 13:50:14 2004 00009 // commit: $Id: mappedfile.h 10065 2007-04-12 05:54:56Z rjpeters $ 00010 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/rutz/mappedfile.h $ 00011 // 00012 // -------------------------------------------------------------------- 00013 // 00014 // This file is part of GroovX. 00015 // [http://ilab.usc.edu/rjpeters/groovx/] 00016 // 00017 // GroovX is free software; you can redistribute it and/or modify it 00018 // under the terms of the GNU General Public License as published by 00019 // the Free Software Foundation; either version 2 of the License, or 00020 // (at your option) any later version. 00021 // 00022 // GroovX is distributed in the hope that it will be useful, but 00023 // WITHOUT ANY WARRANTY; without even the implied warranty of 00024 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00025 // General Public License for more details. 00026 // 00027 // You should have received a copy of the GNU General Public License 00028 // along with GroovX; if not, write to the Free Software Foundation, 00029 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00030 // 00032 00033 #ifndef GROOVX_RUTZ_MAPPEDFILE_H_UTC20050626084020_DEFINED 00034 #define GROOVX_RUTZ_MAPPEDFILE_H_UTC20050626084020_DEFINED 00035 00036 #include <sys/stat.h> // for stat() 00037 00038 namespace rutz 00039 { 00041 00048 class mapped_infile 00049 { 00050 public: 00052 00054 mapped_infile(const char* filename); 00055 00057 ~mapped_infile(); 00058 00060 const void* memory() const { return m_mem; } 00061 00063 off_t length() const { return m_statbuf.st_size; } 00064 00066 time_t mtime() const { return m_statbuf.st_mtime; } 00067 00068 private: 00069 mapped_infile(const mapped_infile&); 00070 mapped_infile& operator=(const mapped_infile&); 00071 00072 struct stat m_statbuf; 00073 int m_fileno; 00074 void* m_mem; 00075 }; 00076 } 00077 00078 static const char __attribute__((used)) vcid_groovx_rutz_mappedfile_h_utc20050626084020[] = "$Id: mappedfile.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file: 00079 #endif // !GROOVX_RUTZ_MAPPEDFILE_H_UTC20050626084020_DEFINED