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igzip: Fix update_histogram_base buffer finish

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Change-Id: Ib74988a79baca7f5095447458d7374f834d1c138
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
This commit is contained in:
Roy Oursler 2018-06-13 11:06:44 -07:00 committed by Greg Tucker
parent 31204ae96e
commit e8ca21baf4
1 changed files with 4 additions and 17 deletions
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21
igzip/huff_codes.c
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@ -714,23 +714,10 @@ void isal_update_histogram_base(uint8_t * start_stream, int length,
}
lit_len_histogram[literal & 0xFF] += 1;
}
literal = literal >> 8;
hash = compute_hash(literal) & LVL0_HASH_MASK;
seen = last_seen[hash];
last_seen[hash] = (current - start_stream) & 0xFFFF;
dist = (current - start_stream - seen) & 0xFFFF;
if (dist < D) {
match_length = compare258(current - dist, current, end_stream - current);
if (match_length >= SHORTEST_MATCH) {
dist_histogram[convert_dist_to_dist_sym(dist)] += 1;
lit_len_histogram[convert_length_to_len_sym(match_length)] += 1;
lit_len_histogram[256] += 1;
return;
}
} else
lit_len_histogram[literal & 0xFF] += 1;
lit_len_histogram[(literal >> 8) & 0xFF] += 1;
lit_len_histogram[(literal >> 16) & 0xFF] += 1;
for (; current < end_stream; current++)
lit_len_histogram[*current] += 1;
lit_len_histogram[256] += 1;
return;
}