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Cast to quint64 early enough to not lose precision.

This commit is contained in:
Teo Mrnjavac 2015-07-22 15:28:47 +02:00
parent df01276a53
commit e69c679fd9
1 changed files with 3 additions and 1 deletions
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4
src/plugins/libparted/libpartedbackend.cpp
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@ -143,7 +143,9 @@ static quint64 lastUsableSector(const Device& d)
PedDevice* pedDevice = ped_device_get(d.deviceNode().toLatin1().constData());
PedDisk* pedDisk = pedDevice ? ped_disk_new(pedDevice) : NULL;
quint64 rval = pedDisk->dev->bios_geom.sectors * pedDisk->dev->bios_geom.heads * pedDisk->dev->bios_geom.cylinders - 1;
quint64 rval = static_cast< quint64 >( pedDisk->dev->bios_geom.sectors ) *
pedDisk->dev->bios_geom.heads *
pedDisk->dev->bios_geom.cylinders - 1;
if (pedDisk && strcmp(pedDisk->type->name, "gpt") == 0) {
GPTDiskData* gpt_disk_data = reinterpret_cast<GPTDiskData*>(pedDisk->disk_specific);