SDLPAL/adplug/fprovide.cpp

/*
 * Adplug - Replayer for many OPL2/OPL3 audio file formats.
 * Copyright (C) 1999 - 2002 Simon Peter, <dn.tlp@gmx.net>, et al.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * fprovide.cpp - File provider class framework, by Simon Peter <dn.tlp@gmx.net>
 */
#include "common.h"

#include <string.h>
#include "binio.h"
#include "binfile.h"

#include "fprovide.h"

#ifdef __SYMBIAN32__
	#define stricmp strcasecmp
#else 
	#ifndef _WIN32
		#define stricmp strcasecmp
	#endif
#endif
/***** CFileProvider *****/

bool CFileProvider::extension(const std::string &filename,
                              const std::string &extension) {
   const char *fname = filename.c_str(), *ext = extension.c_str();

   if (strlen(fname) < strlen(ext) ||
         stricmp(fname + strlen(fname) - strlen(ext), ext))
      return false;
   else
      return true;
}

unsigned long CFileProvider::filesize(binistream *f) {
   unsigned long oldpos = f->pos(), size;

   f->seek(0, binio::End);
   size = f->pos();
   f->seek(oldpos, binio::Set);

   return size;
}

/***** CProvider_Filesystem *****/

binistream *CProvider_Filesystem::open(std::string filename) const {
   binifstream *f = new binifstream(filename);

   if (!f) return 0;
   if (f->error()) {
      delete f;
      return 0;
   }

   // Open all files as little endian with IEEE floats by default
   f->setFlag(binio::BigEndian, false);
   f->setFlag(binio::FloatIEEE);

   return f;
}

void CProvider_Filesystem::close(binistream *f) const {
   binifstream *ff = (binifstream *)f;

   if (f) {
      ff->close();
      delete ff;
   }
}