static IOReturn
PrintSpeedForBSDNode ( const char * bsdNode )
{
IOReturn error = kIOReturnError;
int fileDescriptor = 0;
UInt16 speed = 0;
char deviceName[MAXPATHLEN];
if ( strncmp ( bsdNode, "/dev/rdisk", 10 ) == 0 )
{
sprintf ( deviceName, "%s", bsdNode );
}
else if ( strncmp ( bsdNode, "/dev/disk", 9 ) == 0 )
{
sprintf ( deviceName, "%s", bsdNode );
}
else if ( strncmp ( bsdNode, "disk", 4 ) == 0 )
{
sprintf ( deviceName, "%s%s", "/dev/", bsdNode );
}
else
{
goto ErrorExit;
}
fileDescriptor = OpenMedia ( deviceName );
require ( ( fileDescriptor > 0 ), ErrorExit );
speed = GetSpeed ( fileDescriptor );
printf ( "%s: speed = %d KB/s\n", deviceName, speed );
CloseMedia ( fileDescriptor );
ErrorExit:
return error;
}
Waveform::~Waveform()
{
CloseMedia();
}