aaru-dps/Aaru
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.git synced 2025-12-16 19:24:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implement FAT12 reading.

Browse Source
This commit is contained in:
Natalia Portillo
2019-04-27 02:26:31 +01:00
parent bdd18cef45
commit ffa5a4ceb7
3 changed files with 26 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
DiscImageChef.Filesystems/FAT/Super.cs
View File

@@ -491,6 +491,21 @@ namespace DiscImageChef.Filesystems.FAT
bytesPerCluster = sectorsPerCluster * imagePlugin.Info.SectorSize;
if(fat12)
{
byte[] fatBytes =
imagePlugin.ReadSectors(fatFirstSector + (useFirstFat ? 0 : sectorsPerFat), sectorsPerFat);
fatEntries = new ushort[statfs.Blocks];
int pos = 0;
for(int i = 0; i + 3 < fatBytes.Length && pos < fatEntries.Length; i += 3)
{
fatEntries[pos++] = (ushort)(((fatBytes[i + 1] & 0xF) << 8) + fatBytes[i + 0]);
fatEntries[pos++] = (ushort)(((fatBytes[i + 1] & 0xF0) >> 4) + (fatBytes[i + 2] << 4));
}
}
// TODO: Check how this affects international filenames
cultureInfo = new CultureInfo("en-US", false);
directoryCache = new Dictionary<string, Dictionary<string, DirectoryEntry>>();
@@ -506,7 +521,8 @@ namespace DiscImageChef.Filesystems.FAT
{
if(!mounted) return Errno.AccessDenied;
mounted = false;
mounted = false;
fatEntries = null;
return Errno.NoError;
}