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Add support for negative sectors to read and write sector calls in images.

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This commit is contained in:
Natalia Portillo
2025-10-23 03:07:43 +01:00
parent 0c19fe1b11
commit 69738f5f1a
289 changed files with 2676 additions and 1352 deletions
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23
Aaru.Filesystems/FAT/Info.cs
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@@ -74,11 +74,12 @@ public sealed partial class FAT
uint sectorsPerBpb = imagePlugin.Info.SectorSize < 512 ? 512 / imagePlugin.Info.SectorSize : 1;
ErrorNumber errno = imagePlugin.ReadSectors(0 + partition.Start, sectorsPerBpb, out byte[] bpbSector, out _);
ErrorNumber errno =
imagePlugin.ReadSectors(0 + partition.Start, false, sectorsPerBpb, out byte[] bpbSector, out _);
if(errno != ErrorNumber.NoError) return false;
errno = imagePlugin.ReadSector(sectorsPerBpb + partition.Start, out byte[] fatSector, out _);
errno = imagePlugin.ReadSector(sectorsPerBpb + partition.Start, false, out byte[] fatSector, out _);
if(errno != ErrorNumber.NoError) return false;
@@ -238,6 +239,7 @@ public sealed partial class FAT
if(16 + partition.Start <= partition.End)
{
errno = imagePlugin.ReadSector(16 + partition.Start,
false,
out byte[] hpfsSbSector,
out _); // Seek to superblock, on logical sector 16
@@ -318,12 +320,12 @@ public sealed partial class FAT
byte z80Di = bpbSector[0];
// First FAT1 sector resides at LBA 0x14
errno = imagePlugin.ReadSector(0x14, out byte[] fat1Sector0, out _);
errno = imagePlugin.ReadSector(0x14, false, out byte[] fat1Sector0, out _);
if(errno != ErrorNumber.NoError) return false;
// First FAT2 sector resides at LBA 0x1A
errno = imagePlugin.ReadSector(0x1A, out byte[] fat2Sector0, out _);
errno = imagePlugin.ReadSector(0x1A, false, out byte[] fat2Sector0, out _);
if(errno != ErrorNumber.NoError) return false;
@@ -337,7 +339,7 @@ public sealed partial class FAT
0x17, 0x19, 0x1B, 0x1D, 0x1E, 0x20
})
{
errno = imagePlugin.ReadSector(rootSector, out byte[] tmp, out _);
errno = imagePlugin.ReadSector(rootSector, false, out byte[] tmp, out _);
if(errno != ErrorNumber.NoError) return false;
@@ -429,7 +431,7 @@ public sealed partial class FAT
AaruLogging.Debug(MODULE_NAME, Localization.Second_fat_starts_at_0, fat2SectorNo);
errno = imagePlugin.ReadSector(fat2SectorNo, out byte[] fat2Sector, out _);
errno = imagePlugin.ReadSector(fat2SectorNo, false, out byte[] fat2Sector, out _);
if(errno != ErrorNumber.NoError) return false;
@@ -454,7 +456,8 @@ public sealed partial class FAT
uint sectorsPerBpb = imagePlugin.Info.SectorSize < 512 ? 512 / imagePlugin.Info.SectorSize : 1;
ErrorNumber errno = imagePlugin.ReadSectors(0 + partition.Start, sectorsPerBpb, out byte[] bpbSector, out _);
ErrorNumber errno =
imagePlugin.ReadSectors(0 + partition.Start, false, sectorsPerBpb, out byte[] bpbSector, out _);
if(errno != ErrorNumber.NoError) return;
@@ -643,6 +646,7 @@ public sealed partial class FAT
if(fat32Bpb.fsinfo_sector + partition.Start <= partition.End)
{
errno = imagePlugin.ReadSector(fat32Bpb.fsinfo_sector + partition.Start,
false,
out byte[] fsinfoSector,
out _);
@@ -781,7 +785,7 @@ public sealed partial class FAT
sectorsPerRealSector = fakeBpb.bps / imagePlugin.Info.SectorSize;
_fatFirstSector = partition.Start + _reservedSectors * sectorsPerRealSector;
errno = imagePlugin.ReadSectors(_fatFirstSector, fakeBpb.spfat, out byte[] fatBytes, out _);
errno = imagePlugin.ReadSectors(_fatFirstSector, false, fakeBpb.spfat, out byte[] fatBytes, out _);
if(errno != ErrorNumber.NoError) return;
@@ -1033,6 +1037,7 @@ public sealed partial class FAT
imagePlugin.Info.MetadataMediaType != MetadataMediaType.OpticalDisc)
{
errno = imagePlugin.ReadSectors(rootDirectorySector + partition.Start,
false,
sectorsForRootDirectory,
out byte[] rootDirectory,
out _);
@@ -1048,7 +1053,7 @@ public sealed partial class FAT
0x17, 0x19, 0x1B, 0x1D, 0x1E, 0x20
})
{
errno = imagePlugin.ReadSector(rootSector, out byte[] tmp, out _);
errno = imagePlugin.ReadSector(rootSector, false, out byte[] tmp, out _);
if(errno != ErrorNumber.NoError) return;