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| MacBinary | 1989-09-14 | 34.1 KB | [TEXT/TEXT] |
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|00005fd0| 5f 61 63 63 75 6d 20 7c | 3d 20 28 28 6c 6f 6e 67 |_accum ||= ((long|
|00005fe0| 29 63 6f 64 65 20 3c 3c | 20 63 75 72 5f 62 69 74 |)code <<| cur_bit|
|00005ff0| 73 29 3b 0d 58 20 20 20 | 20 65 6c 73 65 0d 58 20 |s);.X | else.X |
|00006000| 20 20 20 20 20 20 20 63 | 75 72 5f 61 63 63 75 6d | c|ur_accum|
|00006010| 20 3d 20 63 6f 64 65 3b | 0d 58 0d 58 20 20 20 20 | = code;|.X.X |
|00006020| 63 75 72 5f 62 69 74 73 | 20 2b 3d 20 6e 5f 62 69 |cur_bits| += n_bi|
|00006030| 74 73 3b 0d 58 0d 58 20 | 20 20 20 77 68 69 6c 65 |ts;.X.X | while|
|00006040| 28 20 63 75 72 5f 62 69 | 74 73 20 3e 3d 20 38 20 |( cur_bi|ts >= 8 |
|00006050| 29 20 7b 0d 58 20 20 20 | 20 20 20 20 20 63 68 61 |) {.X | cha|
|00006060| 72 5f 6f 75 74 28 20 28 | 75 6e 73 69 67 6e 65 64 |r_out( (|unsigned|
|00006070| 20 69 6e 74 29 28 63 75 | 72 5f 61 63 63 75 6d 20 | int)(cu|r_accum |
|00006080| 26 20 30 78 66 66 29 20 | 29 3b 0d 58 20 20 20 20 |& 0xff) |);.X |
|00006090| 20 20 20 20 63 75 72 5f | 61 63 63 75 6d 20 3e 3e | cur_|accum >>|
|000060a0| 3d 20 38 3b 0d 58 20 20 | 20 20 20 20 20 20 63 75 |= 8;.X | cu|
|000060b0| 72 5f 62 69 74 73 20 2d | 3d 20 38 3b 0d 58 20 20 |r_bits -|= 8;.X |
|000060c0| 20 20 7d 0d 58 0d 58 20 | 20 20 20 2f 2a 0d 58 20 | }.X.X | /*.X |
|000060d0| 20 20 20 20 2a 20 49 66 | 20 74 68 65 20 6e 65 78 | * If| the nex|
|000060e0| 74 20 65 6e 74 72 79 20 | 69 73 20 67 6f 69 6e 67 |t entry |is going|
|000060f0| 20 74 6f 20 62 65 20 74 | 6f 6f 20 62 69 67 20 66 | to be t|oo big f|
|00006100| 6f 72 20 74 68 65 20 63 | 6f 64 65 20 73 69 7a 65 |or the c|ode size|
|00006110| 2c 0d 58 20 20 20 20 20 | 2a 20 74 68 65 6e 20 69 |,.X |* then i|
|00006120| 6e 63 72 65 61 73 65 20 | 69 74 2c 20 69 66 20 70 |ncrease |it, if p|
|00006130| 6f 73 73 69 62 6c 65 2e | 0d 58 20 20 20 20 20 2a |ossible.|.X *|
|00006140| 2f 0d 58 20 20 20 69 66 | 20 28 20 66 72 65 65 5f |/.X if| ( free_|
|00006150| 65 6e 74 20 3e 20 6d 61 | 78 63 6f 64 65 20 7c 7c |ent > ma|xcode |||
|00006160| 20 63 6c 65 61 72 5f 66 | 6c 67 20 29 20 7b 0d 58 | clear_f|lg ) {.X|
|00006170| 0d 58 20 20 20 20 20 20 | 20 20 20 20 20 20 69 66 |.X | if|
|00006180| 28 20 63 6c 65 61 72 5f | 66 6c 67 20 29 20 7b 0d |( clear_|flg ) {.|
|00006190| 58 0d 58 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |X.X | |
|000061a0| 20 20 20 6d 61 78 63 6f | 64 65 20 3d 20 4d 41 58 | maxco|de = MAX|
|000061b0| 43 4f 44 45 20 28 6e 5f | 62 69 74 73 20 3d 20 67 |CODE (n_|bits = g|
|000061c0| 5f 69 6e 69 74 5f 62 69 | 74 73 29 3b 0d 58 20 20 |_init_bi|ts);.X |
|000061d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 63 6c | | cl|
|000061e0| 65 61 72 5f 66 6c 67 20 | 3d 20 30 3b 0d 58 0d 58 |ear_flg |= 0;.X.X|
|000061f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 7d 20 65 6c | | } el|
|00006200| 73 65 20 7b 0d 58 0d 58 | 20 20 20 20 20 20 20 20 |se {.X.X| |
|00006210| 20 20 20 20 20 20 20 20 | 6e 5f 62 69 74 73 2b 2b | |n_bits++|
|00006220| 3b 0d 58 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |;.X | |
|00006230| 20 20 20 69 66 20 28 20 | 6e 5f 62 69 74 73 20 3d | if ( |n_bits =|
|00006240| 3d 20 6d 61 78 62 69 74 | 73 20 29 0d 58 20 20 20 |= maxbit|s ).X |
|00006250| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00006260| 20 6d 61 78 63 6f 64 65 | 20 3d 20 6d 61 78 6d 61 | maxcode| = maxma|
|00006270| 78 63 6f 64 65 3b 0d 58 | 20 20 20 20 20 20 20 20 |xcode;.X| |
|00006280| 20 20 20 20 20 20 20 20 | 65 6c 73 65 0d 58 20 20 | |else.X |
|00006290| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000062a0| 20 20 6d 61 78 63 6f 64 | 65 20 3d 20 4d 41 58 43 | maxcod|e = MAXC|
|000062b0| 4f 44 45 28 6e 5f 62 69 | 74 73 29 3b 0d 58 20 20 |ODE(n_bi|ts);.X |
|000062c0| 20 20 20 20 20 20 20 20 | 20 20 7d 0d 58 20 20 20 | | }.X |
|000062d0| 20 20 20 20 20 7d 0d 58 | 0d 58 20 20 20 20 69 66 | }.X|.X if|
|000062e0| 28 20 63 6f 64 65 20 3d | 3d 20 45 4f 46 43 6f 64 |( code =|= EOFCod|
|000062f0| 65 20 29 20 7b 0d 58 20 | 20 20 20 20 20 20 20 2f |e ) {.X | /|
|00006300| 2a 0d 58 20 20 20 20 20 | 20 20 20 20 2a 20 41 74 |*.X | * At|
|00006310| 20 45 4f 46 2c 20 77 72 | 69 74 65 20 74 68 65 20 | EOF, wr|ite the |
|00006320| 72 65 73 74 20 6f 66 20 | 74 68 65 20 62 75 66 66 |rest of |the buff|
|00006330| 65 72 2e 0d 58 20 20 20 | 20 20 20 20 20 20 2a 2f |er..X | */|
|00006340| 0d 58 20 20 20 20 20 20 | 20 20 77 68 69 6c 65 28 |.X | while(|
|00006350| 20 63 75 72 5f 62 69 74 | 73 20 3e 20 30 20 29 20 | cur_bit|s > 0 ) |
|00006360| 7b 0d 58 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |{.X | |
|00006370| 20 20 20 63 68 61 72 5f | 6f 75 74 28 20 28 75 6e | char_|out( (un|
|00006380| 73 69 67 6e 65 64 20 69 | 6e 74 29 28 63 75 72 5f |signed i|nt)(cur_|
|00006390| 61 63 63 75 6d 20 26 20 | 30 78 66 66 29 20 29 3b |accum & |0xff) );|
|000063a0| 0d 58 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X | |
|000063b0| 20 20 63 75 72 5f 61 63 | 63 75 6d 20 3e 3e 3d 20 | cur_ac|cum >>= |
|000063c0| 38 3b 0d 58 20 20 20 20 | 20 20 20 20 20 20 20 20 |8;.X | |
|000063d0| 20 20 20 20 63 75 72 5f | 62 69 74 73 20 2d 3d 20 | cur_|bits -= |
|000063e0| 38 3b 0d 58 20 20 20 20 | 20 20 20 20 7d 0d 58 0d |8;.X | }.X.|
|000063f0| 58 20 20 20 20 20 20 20 | 20 66 6c 75 73 68 5f 63 |X | flush_c|
+--------+-------------------------+-------------------------+--------+--------+
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