28 lines
930 B
C#
28 lines
930 B
C#
namespace BadBuilder.Formatter
|
|
{
|
|
static class FAT32Utilities
|
|
{
|
|
internal static uint GetVolumeID()
|
|
{
|
|
DateTime now = DateTime.Now;
|
|
|
|
ushort low = (ushort)(now.Day + (now.Month << 8));
|
|
low += (ushort)((now.Millisecond / 10) + (now.Second << 8));
|
|
|
|
ushort hi = (ushort)(now.Minute + (now.Hour << 8));
|
|
hi += (ushort)now.Year;
|
|
|
|
return (uint)(low | (hi << 16));
|
|
}
|
|
|
|
internal static uint CalculateFATSize(uint diskSize, uint reservedSectorCount, uint sectorsPerCluster, uint numberOfFATs, uint bytesPerSector)
|
|
{
|
|
const ulong fatElementSize = 4;
|
|
|
|
ulong numerator = fatElementSize * (diskSize - reservedSectorCount);
|
|
ulong denominator = (sectorsPerCluster * bytesPerSector) + (fatElementSize * numberOfFATs);
|
|
|
|
return (uint)((numerator / denominator) + 1);
|
|
}
|
|
}
|
|
} |