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Fix huffman decoding bug. Now to implement LZ77 bit of deflate

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This commit is contained in:
UnknownShadow200 2017-10-06 12:30:33 +11:00
parent 7d1b66f8b4
commit 478d96328a
1 changed files with 3 additions and 3 deletions
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6
src/Client/Deflate.c
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@ -278,10 +278,10 @@ Int32 Huffman_Decode(DeflateState* state, HuffmanTable* table) {
/* Slow, bit by bit lookup */
Int32 codeword = 0;
UInt32 i;
for (i = 1; i < DEFLATE_MAX_BITS; i++) {
UInt32 i, j;
for (i = 1, j = 0; i < DEFLATE_MAX_BITS; i++, j++) {
if (state->NumBits < i) return -1;
codeword = (codeword << 1) | ((state->Bits >> i) & 1);
codeword = (codeword << 1) | ((state->Bits >> j) & 1);
if (codeword >= table->FirstCodewords[i] && codeword <= table->EndCodewords[i]) {
Int32 offset = table->FirstOffsets[i] + (codeword - table->FirstCodewords[i]);