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Fix mbrfs partition size and length calculation.

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-09-30 17:43:31 +02:00
parent a6bb538bcf
commit 24d8725a3e
1 changed files with 4 additions and 4 deletions
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8
mbr/mbrfs.cpp
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@ -90,23 +90,23 @@ bool is_extended_partition(const struct partition* partition)
uint64_t partition_get_start(const struct partition* partition)
{
if ( !is_48bit_lba_partition(partition) )
return partition->start_sector * 512;
return (uint64_t) partition->start_sector * 512;
const struct partition_lba48* partition_lba48 =
(const struct partition_lba48*) partition;
uint64_t lower = partition_lba48->start_sector;
uint64_t higher = partition_lba48->start_sector_high;
return ((lower << 48) + higher) * 512;
return ((higher << 32) + lower) * 512;
}
uint64_t partition_get_length(const struct partition* partition)
{
if ( !is_48bit_lba_partition(partition) )
return partition->total_sectors * 512;
return (uint64_t) partition->total_sectors * 512;
const struct partition_lba48* partition_lba48 =
(const struct partition_lba48*) partition;
uint64_t lower = partition_lba48->total_sectors;
uint64_t higher = partition_lba48->total_sectors_high;
return ((lower << 48) + higher) * 512;
return ((higher << 32) + lower) * 512;
}
bool is_partition_used(const struct partition* partition)