#include "PhysicalPartition.h"

#define B_NOT_IMPLEMENTED B_ERROR


/*! \brief Creates a new PhysicalPartition object.
*/
PhysicalPartition::PhysicalPartition(uint16 number, uint32 start, uint32 length)
        :
        fNumber(number),
        fStart(start),
        fLength(length)
{
        TRACE(("PhysicalPartition::PhysicalPartition: number = %d, start = %"
                B_PRIu32 ",length = %" B_PRIu32 "\n", number, start, length));
}


/*! \brief Destroys the PhysicalPartition object.
*/
PhysicalPartition::~PhysicalPartition()
{
}


/*! \brief Maps the given logical block to a physical block on disc.

        The given logical block is simply treated as an offset from the
        start of the physical partition.
*/
status_t
PhysicalPartition::MapBlock(uint32 logicalBlock, off_t &physicalBlock)
{
        TRACE(("PhysicalPartition::MapBlock: %" B_PRIu32 "\n", logicalBlock));
        if (logicalBlock >= fLength) {
                TRACE_ERROR(("PhysicalPartition::MapBlock: block %" B_PRIu32 " invalid"
                        ",length = %" B_PRIu32 "\n", logicalBlock, fLength));
                return B_BAD_ADDRESS;
        } else {
                physicalBlock = fStart + logicalBlock;
                TRACE(("PhysicalPartition::MapBlock: block %" B_PRIu32 " mapped to %"
                        B_PRIdOFF "\n", logicalBlock, physicalBlock));
                return B_OK;
        }
}