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Fix Xbox FAT size calculation.

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This commit is contained in:
Natalia Portillo
2019-04-16 01:12:39 +01:00
parent 45087d6b1a
commit 17f6d87bd0
1 changed files with 10 additions and 16 deletions
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26
DiscImageChef.Filesystems/FATX/Super.cs
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@@ -123,15 +123,12 @@ namespace DiscImageChef.Filesystems.FATX
{
DicConsole.DebugWriteLine("Xbox FAT plugin", "Reading FAT32");
fatSize = (uint)(statfs.Blocks * sizeof(uint) / imagePlugin.Info.SectorSize);
if((uint)(statfs.Blocks * sizeof(uint) % imagePlugin.Info.SectorSize) > 0) fatSize++;
fatSize = (uint)((statfs.Blocks + 1) * sizeof(uint) / imagePlugin.Info.SectorSize);
if((uint)((statfs.Blocks + 1) * sizeof(uint) % imagePlugin.Info.SectorSize) > 0) fatSize++;
if(!littleEndian)
{
long fatClusters = fatSize * imagePlugin.Info.SectorSize / XmlFsType.ClusterSize;
if(fatSize * imagePlugin.Info.SectorSize % XmlFsType.ClusterSize > 0) fatClusters++;
fatSize = (uint)(fatClusters * XmlFsType.ClusterSize / imagePlugin.Info.SectorSize);
}
long fatClusters = fatSize * imagePlugin.Info.SectorSize / 4096;
if(fatSize * imagePlugin.Info.SectorSize % 4096 > 0) fatClusters++;
fatSize = (uint)(fatClusters * 4096 / imagePlugin.Info.SectorSize);
DicConsole.DebugWriteLine("Xbox FAT plugin", "FAT is {0} sectors", fatSize);
@@ -150,15 +147,12 @@ namespace DiscImageChef.Filesystems.FATX
{
DicConsole.DebugWriteLine("Xbox FAT plugin", "Reading FAT16");
fatSize = (uint)(statfs.Blocks * sizeof(ushort) / imagePlugin.Info.SectorSize);
if((uint)(statfs.Blocks * sizeof(ushort) % imagePlugin.Info.SectorSize) > 0) fatSize++;
fatSize = (uint)((statfs.Blocks + 1) * sizeof(ushort) / imagePlugin.Info.SectorSize);
if((uint)((statfs.Blocks + 1) * sizeof(ushort) % imagePlugin.Info.SectorSize) > 0) fatSize++;
if(!littleEndian)
{
long fatClusters = fatSize * imagePlugin.Info.SectorSize / XmlFsType.ClusterSize;
if(fatSize * imagePlugin.Info.SectorSize % XmlFsType.ClusterSize > 0) fatClusters++;
fatSize = (uint)(fatClusters * XmlFsType.ClusterSize / imagePlugin.Info.SectorSize);
}
long fatClusters = fatSize * imagePlugin.Info.SectorSize / 4096;
if(fatSize * imagePlugin.Info.SectorSize % 4096 > 0) fatClusters++;
fatSize = (uint)(fatClusters * 4096 / imagePlugin.Info.SectorSize);
DicConsole.DebugWriteLine("Xbox FAT plugin", "FAT is {0} sectors", fatSize);