private static bool FilesMatch(DiscFileInfo A, DiscFileInfo B)
{
const int BufferSize = 2048; // arbitrarily chosen buffer size
byte[] buffA = new byte[BufferSize];
byte[] buffB = new byte[BufferSize];
lock(A.FileSystem)
lock (B.FileSystem)
{
var fileA = A.OpenRead();
var fileB = B.OpenRead();
int numA, numB;
while (fileA.Position < fileA.Length)
{
numA = fileA.Read(buffA, 0, BufferSize);
numB = fileB.Read(buffB, 0, BufferSize);
if (numA != numB)
{
fileA.Close();
fileB.Close();
return false;
}
for (int i = 0; i < numA; i++)
if (buffA[i] != buffB[i])
{
fileA.Close();
fileB.Close();
return false;
}
}
fileA.Close();
fileB.Close();
return true;
}
}
