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General refactor.

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This commit is contained in:
Natalia Portillo
2018-06-20 22:22:21 +01:00
parent dc1884f5d8
commit ec8b309670
93 changed files with 850 additions and 1015 deletions
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14
DiscImageChef.Checksums/SpamSumContext.cs
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@@ -177,15 +177,13 @@ namespace DiscImageChef.Checksums
void fuzzy_try_fork_blockhash()
{
uint obh, nbh;
if(self.Bhend >= NUM_BLOCKHASHES) return;
if(self.Bhend == 0) // assert
throw new Exception("Assertion failed");
obh = self.Bhend - 1;
nbh = self.Bhend;
uint obh = self.Bhend - 1;
uint nbh = self.Bhend;
self.Bh[nbh].H = self.Bh[obh].H;
self.Bh[nbh].Halfh = self.Bh[obh].Halfh;
self.Bh[nbh].Digest[0] = 0;
@@ -213,13 +211,12 @@ namespace DiscImageChef.Checksums
void fuzzy_engine_step(byte c)
{
ulong h;
uint i;
/* At each character we update the rolling hash and the normal hashes.
* When the rolling hash hits a reset value then we emit a normal hash
* as a element of the signature and reset the normal hash. */
roll_hash(c);
h = roll_sum();
ulong h = roll_sum();
for(i = self.Bhstart; i < self.Bhend; ++i)
{
@@ -266,14 +263,13 @@ namespace DiscImageChef.Checksums
StringBuilder sb = new StringBuilder();
uint bi = self.Bhstart;
uint h = roll_sum();
int i, resultOff;
int remain = (int)(FUZZY_MAX_RESULT - 1); /* Exclude terminating '\0'. */
result = new byte[FUZZY_MAX_RESULT];
/* Verify that our elimination was not overeager. */
if(!(bi == 0 || (ulong)SSDEEP_BS(bi) / 2 * SPAMSUM_LENGTH < self.TotalSize))
throw new Exception("Assertion failed");
resultOff = 0;
int resultOff = 0;
/* Initial blocksize guess. */
while((ulong)SSDEEP_BS(bi) * SPAMSUM_LENGTH < self.TotalSize)
@@ -289,7 +285,7 @@ namespace DiscImageChef.Checksums
if(bi > 0 && self.Bh[bi].Dlen < SPAMSUM_LENGTH / 2) throw new Exception("Assertion failed");
sb.AppendFormat("{0}:", SSDEEP_BS(bi));
i = Encoding.ASCII.GetBytes(sb.ToString()).Length;
int i = Encoding.ASCII.GetBytes(sb.ToString()).Length;
if(i <= 0)
/* Maybe snprintf has set errno here? */ throw new OverflowException("The input exceeds data types.");
if(i >= remain) throw new Exception("Assertion failed");