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Get statfs in FAT.

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This commit is contained in:
Natalia Portillo
2019-04-26 23:06:05 +01:00
parent 956be54b1b
commit f3155525a9
2 changed files with 54 additions and 1 deletions
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2
DiscImageChef.Filesystems/FAT/FAT.cs
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@@ -34,6 +34,7 @@ using System;
using System.Collections.Generic;
using System.Text;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Structs;
using Schemas;
namespace DiscImageChef.Filesystems.FAT
@@ -54,6 +55,7 @@ namespace DiscImageChef.Filesystems.FAT
uint sectorsPerCluster;
uint sectorsPerFat;
bool useFirstFat;
FileSystemInfo statfs;
public FileSystemType XmlFsType { get; private set; }

53
DiscImageChef.Filesystems/FAT/Super.cs
View File

@@ -84,6 +84,17 @@ namespace DiscImageChef.Filesystems.FAT
useFirstFat = true;
XmlFsType.Bootable = bootable;
statfs = new FileSystemInfo
{
Blocks = XmlFsType.Clusters,
FilenameLength = 11,
Files = 0, // Requires traversing all directories
FreeFiles = 0,
PluginId = Id,
FreeBlocks = 0 // Requires traversing the FAT
};
// This is needed because for FAT16, GEMDOS increases bytes per sector count instead of using big_sectors field.
uint sectorsPerRealSector = 1;
// This is needed because some OSes don't put volume label as first entry in the root directory
@@ -134,6 +145,7 @@ namespace DiscImageChef.Filesystems.FAT
sectorsPerFat = fat32Bpb.big_spfat;
XmlFsType.VolumeSerial = $"{fat32Bpb.serial_no:X8}";
statfs.Id = new FileSystemId {IsInt = true, Serial32 = fat32Bpb.serial_no};
if((fat32Bpb.flags & 0xF8) == 0x00)
if((fat32Bpb.flags & 0x01) == 0x01)
@@ -235,8 +247,11 @@ namespace DiscImageChef.Filesystems.FAT
if(bpbKind == BpbKind.Atari)
{
if(atariBpb.serial_no[0] != 0x49 || atariBpb.serial_no[1] != 0x48 || atariBpb.serial_no[2] != 0x43)
{
XmlFsType.VolumeSerial =
$"{atariBpb.serial_no[0]:X2}{atariBpb.serial_no[1]:X2}{atariBpb.serial_no[2]:X2}";
statfs.Id = new FileSystemId {IsInt = true, Serial32 = (uint)((atariBpb.serial_no[0] << 16) + (atariBpb.serial_no[1] << 8) + atariBpb.serial_no[2])};
}
XmlFsType.SystemIdentifier = StringHandlers.CToString(atariBpb.oem_name);
if(string.IsNullOrEmpty(XmlFsType.SystemIdentifier)) XmlFsType.SystemIdentifier = null;
@@ -266,7 +281,10 @@ namespace DiscImageChef.Filesystems.FAT
}
if(fakeBpb.signature == 0x28 || fakeBpb.signature == 0x29)
{
XmlFsType.VolumeSerial = $"{fakeBpb.serial_no:X8}";
statfs.Id = new FileSystemId {IsInt = true, Serial32 = fakeBpb.serial_no};
}
}
if(bpbKind != BpbKind.Human)
@@ -421,6 +439,38 @@ namespace DiscImageChef.Filesystems.FAT
XmlFsType.VolumeName = XmlFsType.VolumeName?.Trim();
mounted = true;
statfs.Blocks = XmlFsType.Clusters;
switch(bpbKind)
{
case BpbKind.Hardcoded:
statfs.Type = $"Microsoft FAT{(fat16 ? "16" : "12")}";
break;
case BpbKind.Atari: statfs.Type = $"Atari FAT{(fat16 ? "16" : "12")}";
break;
case BpbKind.Msx: statfs.Type = $"MSX FAT{(fat16 ? "16" : "12")}";
break;
case BpbKind.Dos2:
case BpbKind.Dos3:
case BpbKind.Dos32:
case BpbKind.Dos33:
case BpbKind.ShortExtended:
case BpbKind.Extended: statfs.Type = $"Microsoft FAT{(fat16 ? "16" : "12")}";
break;
case BpbKind.ShortFat32:
case BpbKind.LongFat32: statfs.Type = XmlFsType.Type == "FAT+" ? "FAT+" : "Microsoft FAT32";
break;
case BpbKind.Andos: statfs.Type = $"ANDOS FAT{(fat16 ? "16" : "12")}";
break;
case BpbKind.Apricot: statfs.Type = $"Apricot FAT{(fat16 ? "16" : "12")}";
break;
case BpbKind.DecRainbow: statfs.Type = $"DEC FAT{(fat16 ? "16" : "12")}";
break;
case BpbKind.Human: statfs.Type = $"Human FAT{(fat16 ? "16" : "12")}";
break;
default: throw new ArgumentOutOfRangeException();
}
return Errno.NoError;
}
@@ -444,7 +494,8 @@ namespace DiscImageChef.Filesystems.FAT
stat = null;
if(!mounted) return Errno.AccessDenied;
throw new NotImplementedException();
stat = statfs.ShallowCopy();
return Errno.NoError;
}
}
}