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-rw-r--r--decoder.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/decoder.c b/decoder.c
index acaa693..c079504 100644
--- a/decoder.c
+++ b/decoder.c
@@ -104,9 +104,9 @@ bool Rd_read_block( struct Range_decoder * const rdec )
void LZd_flush_data( struct LZ_decoder * const decoder )
{
- const int size = decoder->pos - decoder->stream_pos;
- if( size > 0 )
+ if( decoder->pos > decoder->stream_pos )
{
+ const int size = decoder->pos - decoder->stream_pos;
CRC32_update_buf( &decoder->crc, decoder->buffer + decoder->stream_pos, size );
if( decoder->outfd >= 0 &&
writeblock( decoder->outfd, decoder->buffer + decoder->stream_pos, size ) != size )
@@ -223,15 +223,9 @@ int LZd_decode_member( struct LZ_decoder * const decoder,
else
{
int len;
- if( Rd_decode_bit( rdec, &decoder->bm_rep[state] ) == 1 ) /* 2nd bit */
+ if( Rd_decode_bit( rdec, &decoder->bm_rep[state] ) != 0 ) /* 2nd bit */
{
- if( Rd_decode_bit( rdec, &decoder->bm_rep0[state] ) == 0 ) /* 3rd bit */
- {
- if( Rd_decode_bit( rdec, &decoder->bm_len[state][pos_state] ) == 0 ) /* 4th bit */
- { state = St_set_short_rep( state );
- LZd_put_byte( decoder, LZd_get_byte( decoder, rep0 ) ); continue; }
- }
- else
+ if( Rd_decode_bit( rdec, &decoder->bm_rep0[state] ) != 0 ) /* 3rd bit */
{
unsigned distance;
if( Rd_decode_bit( rdec, &decoder->bm_rep1[state] ) == 0 ) /* 4th bit */
@@ -247,6 +241,12 @@ int LZd_decode_member( struct LZ_decoder * const decoder,
rep1 = rep0;
rep0 = distance;
}
+ else
+ {
+ if( Rd_decode_bit( rdec, &decoder->bm_len[state][pos_state] ) == 0 ) /* 4th bit */
+ { state = St_set_short_rep( state );
+ LZd_put_byte( decoder, LZd_get_byte( decoder, rep0 ) ); continue; }
+ }
state = St_set_rep( state );
len = min_match_len + Rd_decode_len( rdec, &decoder->rep_len_model, pos_state );
}
@@ -255,7 +255,7 @@ int LZd_decode_member( struct LZ_decoder * const decoder,
int dis_slot;
const unsigned rep0_saved = rep0;
len = min_match_len + Rd_decode_len( rdec, &decoder->match_len_model, pos_state );
- dis_slot = Rd_decode_tree6( rdec, decoder->bm_dis_slot[get_dis_state(len)] );
+ dis_slot = Rd_decode_tree6( rdec, decoder->bm_dis_slot[get_len_state(len)] );
if( dis_slot < start_dis_model ) rep0 = dis_slot;
else
{