diff options
Diffstat (limited to 'decoder.cc')
| -rw-r--r-- | decoder.cc | 28 |
1 files changed, 14 insertions, 14 deletions
@@ -51,9 +51,9 @@ void Pretty_print::operator()( const char * const msg ) const } -// Returns the number of bytes really read. -// If (returned value < size) and (errno == 0), means EOF was reached. -// +/* Returns the number of bytes really read. + If (returned value < size) and (errno == 0), means EOF was reached. +*/ int readblock( const int fd, uint8_t * const buf, const int size ) { int rest = size; @@ -70,9 +70,9 @@ int readblock( const int fd, uint8_t * const buf, const int size ) } -// Returns the number of bytes really written. -// If (returned value < size), it is always an error. -// +/* Returns the number of bytes really written. + If (returned value < size), it is always an error. +*/ int writeblock( const int fd, const uint8_t * const buf, const int size ) { int rest = size; @@ -104,9 +104,9 @@ bool Range_decoder::read_block() void LZ_decoder::flush_data() { - const int size = pos - stream_pos; - if( size > 0 ) + if( pos > stream_pos ) { + const int size = pos - stream_pos; crc32.update_buf( crc_, buffer + stream_pos, size ); if( outfd >= 0 && writeblock( outfd, buffer + stream_pos, size ) != size ) @@ -187,8 +187,8 @@ bool LZ_decoder::verify_trailer( const Pretty_print & pp ) const } -// Return value: 0 = OK, 1 = decoder error, 2 = unexpected EOF, -// 3 = trailer error, 4 = unknown marker found. +/* Return value: 0 = OK, 1 = decoder error, 2 = unexpected EOF, + 3 = trailer error, 4 = unknown marker found. */ int LZ_decoder::decode_member( const Pretty_print & pp ) { Bit_model bm_literal[1<<literal_context_bits][0x300]; @@ -198,7 +198,7 @@ int LZ_decoder::decode_member( const Pretty_print & pp ) Bit_model bm_rep1[State::states]; Bit_model bm_rep2[State::states]; Bit_model bm_len[State::states][pos_states]; - Bit_model bm_dis_slot[max_dis_states][1<<dis_slot_bits]; + Bit_model bm_dis_slot[len_states][1<<dis_slot_bits]; Bit_model bm_dis[modeled_distances-end_dis_model]; Bit_model bm_align[dis_align_size]; Len_model match_len_model; @@ -231,9 +231,9 @@ int LZ_decoder::decode_member( const Pretty_print & pp ) else { int len; - if( rdec.decode_bit( bm_rep[state()] ) == 1 ) // 2nd bit + if( rdec.decode_bit( bm_rep[state()] ) != 0 ) // 2nd bit { - if( rdec.decode_bit( bm_rep0[state()] ) == 1 ) // 3rd bit + if( rdec.decode_bit( bm_rep0[state()] ) != 0 ) // 3rd bit { unsigned distance; if( rdec.decode_bit( bm_rep1[state()] ) == 0 ) // 4th bit @@ -261,7 +261,7 @@ int LZ_decoder::decode_member( const Pretty_print & pp ) { const unsigned rep0_saved = rep0; len = min_match_len + rdec.decode_len( match_len_model, pos_state ); - const int dis_slot = rdec.decode_tree6( bm_dis_slot[get_dis_state(len)] ); + const int dis_slot = rdec.decode_tree6( bm_dis_slot[get_len_state(len)] ); if( dis_slot < start_dis_model ) rep0 = dis_slot; else { |