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Refactor and code cleanup.

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This commit is contained in:
Natalia Portillo
2016-07-28 22:25:26 +01:00
parent c93d469da9
commit a63ba13b6b
199 changed files with 3614 additions and 3744 deletions
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60
DiscImageChef.Checksums/CDChecksums.cs
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@@ -40,8 +40,8 @@ namespace DiscImageChef.Checksums
{
static byte[] ECC_F_Table;
static byte[] ECC_B_Table;
const UInt32 CDCRC32Poly = 0xD8018001;
const UInt32 CDCRC32Seed = 0x00000000;
const uint CDCRC32Poly = 0xD8018001;
const uint CDCRC32Seed = 0x00000000;
public static bool? CheckCDSector(byte[] buffer)
{
@@ -84,9 +84,9 @@ namespace DiscImageChef.Checksums
ECC_F_Table = new byte[256];
ECC_B_Table = new byte[256];
for(UInt32 i = 0; i < 256; i++)
for(uint i = 0; i < 256; i++)
{
UInt32 j = (uint)((i << 1) ^ ((i & 0x80) == 0x80 ? 0x11D : 0));
uint j = (uint)((i << 1) ^ ((i & 0x80) == 0x80 ? 0x11D : 0));
ECC_F_Table[i] = (byte)j;
ECC_B_Table[i ^ j] = (byte)i;
}
@@ -95,21 +95,21 @@ namespace DiscImageChef.Checksums
static bool CheckECC(
byte[] address,
byte[] data,
UInt32 major_count,
UInt32 minor_count,
UInt32 major_mult,
UInt32 minor_inc,
uint major_count,
uint minor_count,
uint major_mult,
uint minor_inc,
byte[] ecc
)
{
UInt32 size = major_count * minor_count;
UInt32 major;
uint size = major_count * minor_count;
uint major;
for(major = 0; major < major_count; major++)
{
UInt32 index = (major >> 1) * major_mult + (major & 1);
uint index = (major >> 1) * major_mult + (major & 1);
byte ecc_a = 0;
byte ecc_b = 0;
UInt32 minor;
uint minor;
for(minor = 0; minor < minor_count; minor++)
{
byte temp;
@@ -215,11 +215,11 @@ namespace DiscImageChef.Checksums
return false;
byte[] SectorForCheck = new byte[0x810];
UInt32 StoredEDC = BitConverter.ToUInt32(channel, 0x810);
uint StoredEDC = BitConverter.ToUInt32(channel, 0x810);
byte[] CalculatedEDCBytes;
Array.Copy(channel, 0, SectorForCheck, 0, 0x810);
CRC32Context.Data(SectorForCheck, 0x810, out CalculatedEDCBytes, CDCRC32Poly, CDCRC32Seed);
UInt32 CalculatedEDC = BitConverter.ToUInt32(CalculatedEDCBytes, 0);
uint CalculatedEDC = BitConverter.ToUInt32(CalculatedEDCBytes, 0);
if(CalculatedEDC != StoredEDC)
{
@@ -241,11 +241,11 @@ namespace DiscImageChef.Checksums
}
byte[] SectorForCheck = new byte[0x91C];
UInt32 StoredEDC = BitConverter.ToUInt32(channel, 0x92C);
uint StoredEDC = BitConverter.ToUInt32(channel, 0x92C);
byte[] CalculatedEDCBytes;
Array.Copy(channel, 0x10, SectorForCheck, 0, 0x91C);
CRC32Context.Data(SectorForCheck, 0x91C, out CalculatedEDCBytes, CDCRC32Poly, CDCRC32Seed);
UInt32 CalculatedEDC = BitConverter.ToUInt32(CalculatedEDCBytes, 0);
uint CalculatedEDC = BitConverter.ToUInt32(CalculatedEDCBytes, 0);
if(CalculatedEDC != StoredEDC && StoredEDC != 0x00000000)
{
@@ -287,11 +287,11 @@ namespace DiscImageChef.Checksums
return false;
byte[] SectorForCheck = new byte[0x808];
UInt32 StoredEDC = BitConverter.ToUInt32(channel, 0x818);
uint StoredEDC = BitConverter.ToUInt32(channel, 0x818);
byte[] CalculatedEDCBytes;
Array.Copy(channel, 0x10, SectorForCheck, 0, 0x808);
CRC32Context.Data(SectorForCheck, 0x808, out CalculatedEDCBytes, CDCRC32Poly, CDCRC32Seed);
UInt32 CalculatedEDC = BitConverter.ToUInt32(CalculatedEDCBytes, 0);
uint CalculatedEDC = BitConverter.ToUInt32(CalculatedEDCBytes, 0);
if(CalculatedEDC != StoredEDC)
{
@@ -464,10 +464,10 @@ namespace DiscImageChef.Checksums
BigEndianBitConverter.IsLittleEndian = true;
UInt16 QSubChannelCRC = BigEndianBitConverter.ToUInt16(QSubChannel, 10);
ushort QSubChannelCRC = BigEndianBitConverter.ToUInt16(QSubChannel, 10);
byte[] QSubChannelForCRC = new byte[10];
Array.Copy(QSubChannel, 0, QSubChannelForCRC, 0, 10);
UInt16 CalculatedQCRC = CalculateCCITT_CRC16(QSubChannelForCRC);
ushort CalculatedQCRC = CalculateCCITT_CRC16(QSubChannelForCRC);
if(QSubChannelCRC != CalculatedQCRC)
{
@@ -477,10 +477,10 @@ namespace DiscImageChef.Checksums
if((CDTextPack1[0] & 0x80) == 0x80)
{
UInt16 CDTextPack1CRC = BigEndianBitConverter.ToUInt16(CDTextPack1, 16);
ushort CDTextPack1CRC = BigEndianBitConverter.ToUInt16(CDTextPack1, 16);
byte[] CDTextPack1ForCRC = new byte[16];
Array.Copy(CDTextPack1, 0, CDTextPack1ForCRC, 0, 16);
UInt16 CalculatedCDTP1CRC = CalculateCCITT_CRC16(CDTextPack1ForCRC);
ushort CalculatedCDTP1CRC = CalculateCCITT_CRC16(CDTextPack1ForCRC);
if(CDTextPack1CRC != CalculatedCDTP1CRC && CDTextPack1CRC != 0)
{
@@ -491,10 +491,10 @@ namespace DiscImageChef.Checksums
if((CDTextPack2[0] & 0x80) == 0x80)
{
UInt16 CDTextPack2CRC = BigEndianBitConverter.ToUInt16(CDTextPack2, 16);
ushort CDTextPack2CRC = BigEndianBitConverter.ToUInt16(CDTextPack2, 16);
byte[] CDTextPack2ForCRC = new byte[16];
Array.Copy(CDTextPack2, 0, CDTextPack2ForCRC, 0, 16);
UInt16 CalculatedCDTP2CRC = CalculateCCITT_CRC16(CDTextPack2ForCRC);
ushort CalculatedCDTP2CRC = CalculateCCITT_CRC16(CDTextPack2ForCRC);
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP2 0x{0:X4}, Calc CDTP2 0x{1:X4}", CDTextPack2CRC, CalculatedCDTP2CRC);
if(CDTextPack2CRC != CalculatedCDTP2CRC && CDTextPack2CRC != 0)
@@ -506,10 +506,10 @@ namespace DiscImageChef.Checksums
if((CDTextPack3[0] & 0x80) == 0x80)
{
UInt16 CDTextPack3CRC = BigEndianBitConverter.ToUInt16(CDTextPack3, 16);
ushort CDTextPack3CRC = BigEndianBitConverter.ToUInt16(CDTextPack3, 16);
byte[] CDTextPack3ForCRC = new byte[16];
Array.Copy(CDTextPack3, 0, CDTextPack3ForCRC, 0, 16);
UInt16 CalculatedCDTP3CRC = CalculateCCITT_CRC16(CDTextPack3ForCRC);
ushort CalculatedCDTP3CRC = CalculateCCITT_CRC16(CDTextPack3ForCRC);
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP3 0x{0:X4}, Calc CDTP3 0x{1:X4}", CDTextPack3CRC, CalculatedCDTP3CRC);
if(CDTextPack3CRC != CalculatedCDTP3CRC && CDTextPack3CRC != 0)
@@ -521,10 +521,10 @@ namespace DiscImageChef.Checksums
if((CDTextPack4[0] & 0x80) == 0x80)
{
UInt16 CDTextPack4CRC = BigEndianBitConverter.ToUInt16(CDTextPack4, 16);
ushort CDTextPack4CRC = BigEndianBitConverter.ToUInt16(CDTextPack4, 16);
byte[] CDTextPack4ForCRC = new byte[16];
Array.Copy(CDTextPack4, 0, CDTextPack4ForCRC, 0, 16);
UInt16 CalculatedCDTP4CRC = CalculateCCITT_CRC16(CDTextPack4ForCRC);
ushort CalculatedCDTP4CRC = CalculateCCITT_CRC16(CDTextPack4ForCRC);
DicConsole.DebugWriteLine("CD checksums", "Cyclic CDTP4 0x{0:X4}, Calc CDTP4 0x{1:X4}", CDTextPack4CRC, CalculatedCDTP4CRC);
if(CDTextPack4CRC != CalculatedCDTP4CRC && CDTextPack4CRC != 0)
@@ -570,12 +570,12 @@ namespace DiscImageChef.Checksums
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
};
static ushort CalculateCCITT_CRC16(byte[] buffer)
{
UInt16 CRC16 = 0;
ushort CRC16 = 0;
for(int i = 0; i < buffer.Length; i++)
{
CRC16 = (ushort)(CCITT_CRC16Table[(CRC16 >> 8) ^ buffer[i]] ^ (CRC16 << 8));