mirror of
https://github.com/rajkosto/mxoemu
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189 lines
3.3 KiB
C++
189 lines
3.3 KiB
C++
/** \file File.cpp
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** \date 2005-04-25
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** \author grymse@alhem.net
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**/
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/*
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Copyright (C) 2004-2010 Anders Hedstrom
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This library is made available under the terms of the GNU GPL, with
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the additional exemption that compiling, linking, and/or using OpenSSL
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is allowed.
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If you would like to use this library in a closed-source application,
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a separate license agreement is available. For information about
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the closed-source license agreement for the C++ sockets library,
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please visit http://www.alhem.net/Sockets/license.html and/or
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email license@alhem.net.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdarg.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "File.h"
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#ifdef SOCKETS_NAMESPACE
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namespace SOCKETS_NAMESPACE {
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#endif
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File::File()
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:m_fil(NULL)
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,m_rptr(0)
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,m_wptr(0)
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{
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}
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File::File(const std::string& path, const std::string& mode)
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:m_fil(NULL)
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,m_rptr(0)
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,m_wptr(0)
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{
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fopen(path, mode);
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}
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File::~File()
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{
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fclose();
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}
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bool File::fopen(const std::string& path, const std::string& mode)
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{
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m_path = path;
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m_mode = mode;
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#if defined( _WIN32) && !defined(__CYGWIN__)
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if (fopen_s(&m_fil, path.c_str(), mode.c_str()))
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m_fil = NULL;
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#else
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m_fil = ::fopen(path.c_str(), mode.c_str());
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#endif
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return m_fil ? true : false;
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}
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void File::fclose() const
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{
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if (m_fil)
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{
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::fclose(m_fil);
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m_fil = NULL;
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}
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}
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size_t File::fread(char *ptr, size_t size, size_t nmemb) const
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{
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size_t r = 0;
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if (m_fil)
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{
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fseek(m_fil, m_rptr, SEEK_SET);
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r = ::fread(ptr, size, nmemb, m_fil);
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m_rptr = ftell(m_fil);
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}
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return r;
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}
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size_t File::fwrite(const char *ptr, size_t size, size_t nmemb)
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{
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size_t r = 0;
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if (m_fil)
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{
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fseek(m_fil, m_wptr, SEEK_SET);
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r = ::fwrite(ptr, size, nmemb, m_fil);
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m_wptr = ftell(m_fil);
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}
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return r;
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}
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char *File::fgets(char *s, int size) const
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{
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char *r = NULL;
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if (m_fil)
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{
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fseek(m_fil, m_rptr, SEEK_SET);
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r = ::fgets(s, size, m_fil);
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m_rptr = ftell(m_fil);
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}
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return r;
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}
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void File::fprintf(const char *format, ...)
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{
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if (!m_fil)
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return;
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va_list ap;
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va_start(ap, format);
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fseek(m_fil, m_rptr, SEEK_SET);
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vfprintf(m_fil, format, ap);
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m_rptr = ftell(m_fil);
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va_end(ap);
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}
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off_t File::size() const
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{
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struct stat st;
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if (stat(m_path.c_str(), &st) == -1)
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{
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return 0;
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}
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return st.st_size;
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}
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bool File::eof() const
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{
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if (m_fil)
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{
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if (feof(m_fil))
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return true;
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}
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return false;
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}
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void File::reset_read() const
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{
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m_rptr = 0;
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}
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void File::reset_write()
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{
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m_wptr = 0;
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}
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const std::string& File::Path() const
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{
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return m_path;
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}
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#ifdef SOCKETS_NAMESPACE
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}
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#endif
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