diff options
Diffstat (limited to '')
| -rw-r--r-- | mtester.cc | 48 |
1 files changed, 23 insertions, 25 deletions
@@ -83,7 +83,7 @@ void LZ_mtester::flush_data() crc32.update_buf( crc_, buffer + stream_pos, size ); if( md5sum ) md5sum->md5_update( buffer + stream_pos, size ); if( outfd >= 0 && writeblock( outfd, buffer + stream_pos, size ) != size ) - throw Error( "Write error" ); + throw Error( write_error_msg ); if( pos >= dictionary_size ) { partial_data_pos += pos; pos = 0; pos_wrapped = true; } stream_pos = pos; @@ -148,7 +148,7 @@ int LZ_mtester::test_member( const unsigned long mpos_limit, FILE * const f, const unsigned long long byte_pos ) { if( mpos_limit < Lzip_header::size + 5 ) return -1; - if( member_position() == Lzip_header::size ) rdec.load(); + if( member_position() == Lzip_header::size && !rdec.load() ) return 1; while( !rdec.finished() ) { if( member_position() >= mpos_limit || data_position() >= dpos_limit ) @@ -194,22 +194,22 @@ int LZ_mtester::test_member( const unsigned long mpos_limit, } else // match { + rep3 = rep2; rep2 = rep1; rep1 = rep0; len = rdec.decode_len( match_len_model, pos_state ); - unsigned distance = rdec.decode_tree6( bm_dis_slot[get_len_state(len)] ); - if( distance >= start_dis_model ) + rep0 = rdec.decode_tree6( bm_dis_slot[get_len_state(len)] ); + if( rep0 >= start_dis_model ) { - const unsigned dis_slot = distance; + const unsigned dis_slot = rep0; const int direct_bits = ( dis_slot >> 1 ) - 1; - distance = ( 2 | ( dis_slot & 1 ) ) << direct_bits; + rep0 = ( 2 | ( dis_slot & 1 ) ) << direct_bits; if( dis_slot < end_dis_model ) - distance += rdec.decode_tree_reversed( - bm_dis + ( distance - dis_slot ), direct_bits ); + rep0 += rdec.decode_tree_reversed( bm_dis + ( rep0 - dis_slot ), + direct_bits ); else { - distance += - rdec.decode( direct_bits - dis_align_bits ) << dis_align_bits; - distance += rdec.decode_tree_reversed4( bm_align ); - if( distance == 0xFFFFFFFFU ) // marker found + rep0 += rdec.decode( direct_bits - dis_align_bits ) << dis_align_bits; + rep0 += rdec.decode_tree_reversed4( bm_align ); + if( rep0 == 0xFFFFFFFFU ) // marker found { rdec.normalize(); flush_data(); @@ -224,7 +224,6 @@ int LZ_mtester::test_member( const unsigned long mpos_limit, } } } - rep3 = rep2; rep2 = rep1; rep1 = rep0; rep0 = distance; if( rep0 > max_rep0 ) max_rep0 = rep0; state.set_match(); if( rep0 >= dictionary_size || ( rep0 >= pos && !pos_wrapped ) ) @@ -242,7 +241,7 @@ int LZ_mtester::test_member( const unsigned long mpos_limit, int LZ_mtester::debug_decode_member( const long long dpos, const long long mpos, const bool show_packets ) { - rdec.load(); + if( !rdec.load() ) return 1; unsigned old_tmpos = member_position(); // truncated member position while( !rdec.finished() ) { @@ -317,22 +316,22 @@ int LZ_mtester::debug_decode_member( const long long dpos, const long long mpos, } else // match { + rep3 = rep2; rep2 = rep1; rep1 = rep0; len = rdec.decode_len( match_len_model, pos_state ); - unsigned distance = rdec.decode_tree6( bm_dis_slot[get_len_state(len)] ); - if( distance >= start_dis_model ) + rep0 = rdec.decode_tree6( bm_dis_slot[get_len_state(len)] ); + if( rep0 >= start_dis_model ) { - const unsigned dis_slot = distance; + const unsigned dis_slot = rep0; const int direct_bits = ( dis_slot >> 1 ) - 1; - distance = ( 2 | ( dis_slot & 1 ) ) << direct_bits; + rep0 = ( 2 | ( dis_slot & 1 ) ) << direct_bits; if( dis_slot < end_dis_model ) - distance += rdec.decode_tree_reversed( - bm_dis + ( distance - dis_slot ), direct_bits ); + rep0 += rdec.decode_tree_reversed( bm_dis + ( rep0 - dis_slot ), + direct_bits ); else { - distance += - rdec.decode( direct_bits - dis_align_bits ) << dis_align_bits; - distance += rdec.decode_tree_reversed4( bm_align ); - if( distance == 0xFFFFFFFFU ) // marker found + rep0 += rdec.decode( direct_bits - dis_align_bits ) << dis_align_bits; + rep0 += rdec.decode_tree_reversed4( bm_align ); + if( rep0 == 0xFFFFFFFFU ) // marker found { rdec.normalize(); flush_data(); @@ -353,7 +352,6 @@ int LZ_mtester::debug_decode_member( const long long dpos, const long long mpos, } } } - rep3 = rep2; rep2 = rep1; rep1 = rep0; rep0 = distance; if( rep0 > max_rep0 ) { max_rep0 = rep0; max_rep0_pos = mp; } state.set_match(); if( show_packets ) |