/****************************************************************************
                             Hyper's CD Catalog
		A multiplatform qt and xml based catalog program

 Author    : Peter Deak (hyperr@freemail.hu)
 License   : GPL
 Copyright : (C) 2003 Peter Deak
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <qregexp.h>
#include <qfile.h>
#include <qtextstream.h>

#ifdef _WIN32
#include <windows.h>
#endif


#ifndef _WIN32
//Linux:

FILE *openDevice(const char *CDpath)
{
	char *devicename = new char[64];
	FILE *result;

	QString cfgcdpath = QString(CDpath).replace(QRegExp("/$"), "");

	strcpy(devicename, "");

	QRegExp separator("\\s+");

	QFile f("/etc/fstab");
	QString line;

	if (f.open(IO_ReadOnly)) {	// file opened successfully
		QTextStream t(&f);	// use a text stream

		while (!t.eof()) {
			line = t.readLine().simplifyWhiteSpace();	// line of text excluding '\n'

			if (!line.startsWith("#") && !line.isEmpty())
			{
				if(line.section(separator, 1, 1, QString::SectionSkipEmpty).compare(cfgcdpath) == 0)
				{
					strncpy(devicename, (const char *) line.section(separator, 0, 0), 63);
					break;
				}
			}
		}
		f.close();
	} else
		return NULL;
	if (!strcmp(devicename, ""))
		return NULL;

	//fprintf(stderr,"devicename: |%s|\n",devicename);
	result = fopen(devicename, "r");
	//

	delete devicename;
	return result;
}

bool diskIsDVD(const char *CDpath)
{
	int size = 0;
	char *field = new char[8];
	FILE *deviceptr = NULL;
	deviceptr = openDevice(CDpath);
	if (!deviceptr)
		return false;
	fseek(deviceptr, 32848, SEEK_SET);
	fread(field, sizeof(char), 8, deviceptr);
	fclose(deviceptr);

	size = ((field[0] & 0xff) | ((field[1] & 0xff) << 8)
		| ((field[2] & 0xff) << 16) | ((field[3] & 0xff) << 24));
	delete field;

	fprintf(stderr,"Size: %i\n",size);
	// return DVD if there is more data than a CD can ever have
	return (size > 450000);
}

char *getCDName(const char *CDpath)
{
	char *name = new char[64];	//return value
	FILE *deviceptr = NULL;

	strcpy(name, "");

  /** Read the volume name of the device *******************/

	deviceptr = openDevice(CDpath);
	if (!deviceptr)
		return name;
	fseek(deviceptr, 32808, SEEK_SET);
	fread(name, sizeof(char), 32, deviceptr);
	fclose(deviceptr);
	name[32] = '\0';

	//strip whitespaces
	strcpy(name, (const char *) QString(name).stripWhiteSpace());

	return name;
}

#else
// Win32:
char *getCDName(const char *CDpath)
{
	char *name = new char[64];
	DWORD dwDummy;
	DWORD dwFlags;

	if (!GetVolumeInformation((LPCSTR) CDpath, (LPSTR) name, 64, NULL, &dwDummy, &dwFlags, NULL, 0))
		strcpy(name, "");
	return name;
}
#endif


-----

int main(int argc, char *argv[])
{

	char *cdname;
	bool dvd = false;

	if(0)
	{
		cdname = getCDName("/media/dvd");
		dvd = diskIsDVD("/media/dvd");

		printf("cdname: %s\n", cdname);
		if(dvd)
		{
			printf("dvd\n");
		}
	}