/ Source Code 1994 March / Source_Code_CD-ROM_Walnut_Creek_March_1994.iso / unix_c / pstscrpt / giftops.tar

< prev

next >

MacOS 8.1

Win98

DOS

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 67 69 66 74 6f 70 73 2f | 00 00 00 00 00 00 00 00 |giftops/|........|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000050| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000060| 00 00 00 00 20 20 20 37 | 35 35 20 00 20 20 20 32 |....   7|55 .   2|
|00000070| 34 33 20 00 20 20 20 20 | 31 32 20 00 20 20 20 20 |43 .    |12 .    |
|00000080| 20 20 20 20 20 20 30 20 | 20 34 34 30 34 30 34 35 |      0 | 4404045|
|00000090| 33 31 37 20 20 20 35 34 | 37 30 00 20 00 00 00 00 |317   54|70. ....|
|000000a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000100| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000110| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000120| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000130| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000140| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000150| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000160| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000170| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000180| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000190| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000200| 67 69 66 74 6f 70 73 2f | 53 68 61 72 46 69 6c 65 |giftops/|SharFile|
|00000210| 2e 48 65 61 64 65 72 73 | 00 00 00 00 00 00 00 00 |.Headers|........|
|00000220| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000230| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000240| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000250| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000260| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 20 32 |....   6|44 .   2|
|00000270| 34 33 20 00 20 20 20 20 | 31 32 20 00 20 20 20 20 |43 .    |12 .    |
|00000280| 20 20 20 31 34 33 30 20 | 20 34 34 30 34 30 34 35 |   1430 | 4404045|
|00000290| 33 32 31 20 20 31 30 35 | 34 30 00 20 00 00 00 00 |321  105|40. ....|
|000002a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000300| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000310| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000320| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000330| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000340| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000350| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000360| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000370| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000380| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000390| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000400| 3d 3d 3d 20 67 69 66 74 | 6f 70 73 2e 73 68 61 72 |=== gift|ops.shar|
|00000410| 20 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d | =======|========|
|00000420| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 0a 46 72 6f 6d 20 |========|==.From |
|00000430| 70 75 72 2d 65 65 21 6a | 2e 63 63 2e 70 75 72 64 |pur-ee!j|.cc.purd|
|00000440| 75 65 2e 65 64 75 21 69 | 2e 63 63 2e 70 75 72 64 |ue.edu!i|.cc.purd|
|00000450| 75 65 2e 65 64 75 21 70 | 75 72 64 75 65 21 67 61 |ue.edu!p|urdue!ga|
|00000460| 74 65 63 68 21 62 6c 6f | 6f 6d 2d 62 65 61 63 6f |tech!blo|om-beaco|
|00000470| 6e 21 74 75 74 2e 63 69 | 73 2e 6f 68 69 6f 2d 73 |n!tut.ci|s.ohio-s|
|00000480| 74 61 74 65 2e 65 64 75 | 21 6d 61 6e 64 72 69 6c |tate.edu|!mandril|
|00000490| 6c 21 68 61 6c 21 6e 63 | 6f 61 73 74 21 61 6c 6c |l!hal!nc|oast!all|
|000004a0| 62 65 72 79 20 46 72 69 | 20 4d 61 79 20 32 30 20 |bery Fri| May 20 |
|000004b0| 30 38 3a 30 35 3a 32 36 | 20 45 53 54 20 31 39 38 |08:05:26| EST 198|
|000004c0| 38 0a 0a 63 6f 6d 70 2e | 73 6f 75 72 63 65 73 2e |8..comp.|sources.|
|000004d0| 6d 69 73 63 3a 20 56 6f | 6c 75 6d 65 20 33 2c 20 |misc: Vo|lume 3, |
|000004e0| 49 73 73 75 65 20 32 31 | 0a 53 75 62 6d 69 74 74 |Issue 21|.Submitt|
|000004f0| 65 64 2d 42 79 3a 20 22 | 53 63 6f 74 74 20 48 65 |ed-By: "|Scott He|
|00000500| 6d 70 68 69 6c 6c 22 20 | 3c 68 65 6d 70 68 69 6c |mphill" |<hemphil|
|00000510| 6c 40 63 69 74 2d 76 61 | 78 2e 43 61 6c 74 65 63 |l@cit-va|x.Caltec|
|00000520| 68 2e 45 64 75 3e 0a 41 | 72 63 68 69 76 65 2d 4e |h.Edu>.A|rchive-N|
|00000530| 61 6d 65 3a 20 67 69 66 | 74 6f 70 73 0a 0a 54 68 |ame: gif|tops..Th|
|00000540| 65 20 66 6f 6c 6c 6f 77 | 69 6e 67 20 70 72 6f 67 |e follow|ing prog|
|00000550| 72 61 6d 20 63 6f 6e 76 | 65 72 74 73 20 61 20 47 |ram conv|erts a G|
|00000560| 49 46 20 66 69 6c 65 20 | 74 6f 20 61 20 50 6f 73 |IF file |to a Pos|
|00000570| 74 53 63 72 69 70 74 20 | 73 6f 75 72 63 65 20 66 |tScript |source f|
|00000580| 69 6c 65 2e 0a 49 74 20 | 69 73 20 70 75 62 6c 69 |ile..It |is publi|
|00000590| 63 20 64 6f 6d 61 69 6e | 2e 20 20 49 74 20 69 73 |c domain|.  It is|
|000005a0| 20 63 6f 6d 70 6c 65 74 | 65 20 69 6e 20 6f 6e 65 | complet|e in one|
|000005b0| 20 66 69 6c 65 2e 20 20 | 4a 75 73 74 20 75 6e 2d | file.  |Just un-|
|000005c0| 73 68 61 72 2c 20 61 6e | 64 0a 74 79 70 65 3a 0a |shar, an|d.type:.|
|000005d0| 09 63 63 20 2d 6f 20 67 | 69 66 74 6f 70 73 20 67 |.cc -o g|iftops g|
|000005e0| 69 66 74 6f 70 73 2e 63 | 0a 0a 49 74 20 68 61 73 |iftops.c|..It has|
|000005f0| 20 62 65 65 6e 20 74 65 | 73 74 65 64 20 6f 6e 20 | been te|sted on |
|00000600| 53 79 73 20 56 20 61 6e | 64 20 42 53 44 20 73 79 |Sys V an|d BSD sy|
|00000610| 73 74 65 6d 73 20 61 6e | 64 20 61 6e 6f 74 68 65 |stems an|d anothe|
|00000620| 72 20 28 6e 6f 6e 5f 55 | 6e 69 78 29 20 73 79 73 |r (non_U|nix) sys|
|00000630| 74 65 6d 0a 77 69 74 68 | 20 33 32 2d 62 69 74 20 |tem.with| 32-bit |
|00000640| 69 6e 74 73 2e 20 20 49 | 74 20 73 68 6f 75 6c 64 |ints.  I|t should|
|00000650| 6e 27 74 20 6e 65 65 64 | 20 6d 6f 72 65 20 74 68 |n't need| more th|
|00000660| 61 6e 20 31 36 2d 62 69 | 74 20 69 6e 74 73 2c 20 |an 16-bi|t ints, |
|00000670| 74 68 6f 75 67 68 2e 0a | 0a 54 68 65 20 50 6f 73 |though..|.The Pos|
|00000680| 74 53 63 72 69 70 74 20 | 63 6f 64 65 20 77 72 69 |tScript |code wri|
|00000690| 74 74 65 6e 20 62 79 20 | 74 68 69 73 20 70 72 6f |tten by |this pro|
|000006a0| 67 72 61 6d 20 64 6f 65 | 73 6e 27 74 20 63 6f 6e |gram doe|sn't con|
|000006b0| 66 6f 72 6d 20 74 6f 20 | 41 64 6f 62 65 27 73 20 |form to |Adobe's |
|000006c0| 0a 73 74 61 6e 64 61 72 | 64 73 2e 0a 0a 53 63 6f |.standar|ds...Sco|
|000006d0| 74 74 20 48 65 6d 70 68 | 69 6c 6c 09 68 65 6d 70 |tt Hemph|ill.hemp|
|000006e0| 68 69 6c 6c 40 63 73 76 | 61 78 2e 63 61 6c 74 65 |hill@csv|ax.calte|
|000006f0| 63 68 2e 65 64 75 09 2e | 2e 2e 21 61 6d 65 73 21 |ch.edu..|..!ames!|
|00000700| 65 6c 72 6f 79 21 63 69 | 74 2d 76 61 78 21 68 65 |elroy!ci|t-vax!he|
|00000710| 6d 70 68 69 6c 6c 0a 0a | 00 00 00 00 00 00 00 00 |mphill..|........|
|00000720| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000800| 67 69 66 74 6f 70 73 2f | 67 69 66 74 6f 70 73 2e |giftops/|giftops.|
|00000810| 63 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |c.......|........|
|00000820| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000830| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000840| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000850| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000860| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 20 32 |....   6|44 .   2|
|00000870| 34 33 20 00 20 20 20 20 | 31 32 20 00 20 20 20 20 |43 .    |12 .    |
|00000880| 20 20 32 35 30 33 35 20 | 20 34 34 30 34 30 34 35 |  25035 | 4404045|
|00000890| 33 32 30 20 20 20 37 34 | 31 33 00 20 00 00 00 00 |320   74|13. ....|
|000008a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000900| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000920| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000930| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000940| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000970| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000980| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000990| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000a00| 2f 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |/*******|********|
|00000a10| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000a20| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 0a 20 |********|******. |
|00000a30| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 47 49 |*       |      GI|
|00000a40| 46 74 6f 50 53 20 43 6f | 6e 76 65 72 74 65 72 20 |FtoPS Co|nverter |
|00000a50| 20 20 20 20 20 20 20 20 | 20 20 20 20 2a 0a 20 2a |        |    *. *|
|00000a60| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000a70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000a80| 20 20 20 20 20 20 20 20 | 20 20 20 2a 0a 20 2a 20 |        |   *. * |
|00000a90| 20 20 20 20 20 4d 61 79 | 20 31 36 2c 20 31 39 38 |     May| 16, 198|
|00000aa0| 38 20 20 62 79 20 53 63 | 6f 74 74 20 48 65 6d 70 |8  by Sc|ott Hemp|
|00000ab0| 68 69 6c 6c 20 20 20 20 | 20 20 2a 0a 20 2a 20 20 |hill    |  *. *  |
|00000ac0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000ad0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000ae0| 20 20 20 20 20 20 20 20 | 20 2a 0a 20 2a 20 49 20 |        | *. * I |
|00000af0| 77 72 6f 74 65 20 74 68 | 69 73 20 70 72 6f 67 72 |wrote th|is progr|
|00000b00| 61 6d 2c 20 61 6e 64 20 | 68 65 72 65 62 79 20 70 |am, and |hereby p|
|00000b10| 6c 61 63 65 20 69 74 20 | 2a 0a 20 2a 20 69 6e 20 |lace it |*. * in |
|00000b20| 74 68 65 20 70 75 62 6c | 69 63 20 64 6f 6d 61 69 |the publ|ic domai|
|00000b30| 6e 2c 20 69 2e 65 2e 20 | 74 68 65 72 65 20 61 72 |n, i.e. |there ar|
|00000b40| 65 20 6e 6f 20 20 20 2a | 0a 20 2a 20 63 6f 70 79 |e no   *|. * copy|
|00000b50| 69 6e 67 20 72 65 73 74 | 72 69 63 74 69 6f 6e 73 |ing rest|rictions|
|00000b60| 20 6f 66 20 61 6e 79 20 | 6b 69 6e 64 2e 20 20 20 | of any |kind.   |
|00000b70| 20 20 20 20 20 20 2a 0a | 20 2a 2a 2a 2a 2a 2a 2a |      *.| *******|
|00000b80| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000b90| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000ba0| 2a 2a 2a 2a 2a 2a 2f 0a | 0a 23 69 6e 63 6c 75 64 |******/.|.#includ|
|00000bb0| 65 20 3c 73 74 64 69 6f | 2e 68 3e 0a 63 68 61 72 |e <stdio|.h>.char|
|00000bc0| 20 2a 6d 61 6c 6c 6f 63 | 28 29 3b 0a 69 6e 74 20 | *malloc|();.int |
|00000bd0| 73 74 72 6e 63 6d 70 28 | 29 3b 0a 0a 23 64 65 66 |strncmp(|);..#def|
|00000be0| 69 6e 65 20 6d 69 6e 28 | 78 2c 79 29 20 28 28 78 |ine min(|x,y) ((x|
|00000bf0| 29 20 3c 20 28 79 29 20 | 3f 20 28 78 29 20 3a 20 |) < (y) |? (x) : |
|00000c00| 28 79 29 29 0a 23 64 65 | 66 69 6e 65 20 46 41 4c |(y)).#de|fine FAL|
|00000c10| 53 45 20 30 0a 23 64 65 | 66 69 6e 65 20 54 52 55 |SE 0.#de|fine TRU|
|00000c20| 45 20 31 0a 0a 74 79 70 | 65 64 65 66 20 69 6e 74 |E 1..typ|edef int|
|00000c30| 20 62 6f 6f 6c 3b 0a 74 | 79 70 65 64 65 66 20 73 | bool;.t|ypedef s|
|00000c40| 74 72 75 63 74 20 63 6f | 64 65 73 74 72 75 63 74 |truct co|destruct|
|00000c50| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 73 | {.     |       s|
|00000c60| 74 72 75 63 74 20 63 6f | 64 65 73 74 72 75 63 74 |truct co|destruct|
|00000c70| 20 2a 70 72 65 66 69 78 | 3b 0a 20 20 20 20 20 20 | *prefix|;.      |
|00000c80| 20 20 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 63 |      un|signed c|
|00000c90| 68 61 72 20 66 69 72 73 | 74 2c 73 75 66 66 69 78 |har firs|t,suffix|
|00000ca0| 3b 0a 20 20 20 20 20 20 | 20 20 7d 20 63 6f 64 65 |;.      |  } code|
|00000cb0| 74 79 70 65 3b 0a 0a 46 | 49 4c 45 20 2a 69 6e 66 |type;..F|ILE *inf|
|00000cc0| 69 6c 65 3b 0a 75 6e 73 | 69 67 6e 65 64 20 69 6e |ile;.uns|igned in|
|00000cd0| 74 20 73 63 72 65 65 6e | 77 69 64 74 68 3b 20 20 |t screen|width;  |
|00000ce0| 20 20 20 20 20 20 20 20 | 20 2f 2a 20 54 68 65 20 |        | /* The |
|00000cf0| 64 69 6d 65 6e 73 69 6f | 6e 73 20 6f 66 20 74 68 |dimensio|ns of th|
|00000d00| 65 20 73 63 72 65 65 6e | 20 2a 2f 0a 75 6e 73 69 |e screen| */.unsi|
|00000d10| 67 6e 65 64 20 69 6e 74 | 20 73 63 72 65 65 6e 68 |gned int| screenh|
|00000d20| 65 69 67 68 74 3b 20 20 | 20 20 20 20 20 20 20 20 |eight;  |        |
|00000d30| 2f 2a 20 20 20 28 6e 6f | 74 20 74 68 6f 73 65 20 |/*   (no|t those |
|00000d40| 6f 66 20 74 68 65 20 69 | 6d 61 67 65 29 20 20 20 |of the i|mage)   |
|00000d50| 2a 2f 0a 62 6f 6f 6c 20 | 67 6c 6f 62 61 6c 3b 20 |*/.bool |global; |
|00000d60| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000d70| 20 20 20 20 20 20 20 2f | 2a 20 49 73 20 74 68 65 |       /|* Is the|
|00000d80| 72 65 20 61 20 67 6c 6f | 62 61 6c 20 63 6f 6c 6f |re a glo|bal colo|
|00000d90| 72 20 6d 61 70 3f 20 2a | 2f 0a 69 6e 74 20 67 6c |r map? *|/.int gl|
|00000da0| 6f 62 61 6c 62 69 74 73 | 3b 20 20 20 20 20 20 20 |obalbits|;       |
|00000db0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2f 2a |        |      /*|
|00000dc0| 20 4e 75 6d 62 65 72 20 | 6f 66 20 62 69 74 73 20 | Number |of bits |
|00000dd0| 6f 66 20 67 6c 6f 62 61 | 6c 20 63 6f 6c 6f 72 73 |of globa|l colors|
|00000de0| 20 2a 2f 0a 75 6e 73 69 | 67 6e 65 64 20 63 68 61 | */.unsi|gned cha|
|00000df0| 72 20 67 6c 6f 62 61 6c | 6d 61 70 5b 32 35 36 5d |r global|map[256]|
|00000e00| 5b 33 5d 3b 20 20 20 20 | 2f 2a 20 52 47 42 20 76 |[3];    |/* RGB v|
|00000e10| 61 6c 75 65 73 20 66 6f | 72 20 67 6c 6f 62 61 6c |alues fo|r global|
|00000e20| 20 63 6f 6c 6f 72 20 6d | 61 70 20 2a 2f 0a 63 68 | color m|ap */.ch|
|00000e30| 61 72 20 63 6f 6c 6f 72 | 74 61 62 6c 65 5b 32 35 |ar color|table[25|
|00000e40| 36 5d 5b 33 5d 3b 20 20 | 20 20 20 20 20 20 20 20 |6][3];  |        |
|00000e50| 20 20 2f 2a 20 48 65 78 | 20 69 6e 74 65 6e 73 69 |  /* Hex| intensi|
|00000e60| 74 79 20 73 74 72 69 6e | 67 73 20 66 6f 72 20 61 |ty strin|gs for a|
|00000e70| 6e 20 69 6d 61 67 65 20 | 2a 2f 0a 75 6e 73 69 67 |n image |*/.unsig|
|00000e80| 6e 65 64 20 63 68 61 72 | 20 2a 72 61 73 74 65 72 |ned char| *raster|
|00000e90| 3b 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 2f |;       |       /|
|00000ea0| 2a 20 44 65 63 6f 64 65 | 64 20 69 6d 61 67 65 20 |* Decode|d image |
|00000eb0| 64 61 74 61 20 2a 2f 0a | 63 6f 64 65 74 79 70 65 |data */.|codetype|
|00000ec0| 20 2a 63 6f 64 65 74 61 | 62 6c 65 3b 20 20 20 20 | *codeta|ble;    |
|00000ed0| 20 20 20 20 20 20 20 20 | 20 20 20 20 2f 2a 20 4c |        |    /* L|
|00000ee0| 5a 57 20 63 6f 6d 70 72 | 65 73 73 69 6f 6e 20 63 |ZW compr|ession c|
|00000ef0| 6f 64 65 20 64 61 74 61 | 20 2a 2f 0a 69 6e 74 20 |ode data| */.int |
|00000f00| 64 61 74 61 73 69 7a 65 | 2c 63 6f 64 65 73 69 7a |datasize|,codesiz|
|00000f10| 65 2c 63 6f 64 65 6d 61 | 73 6b 3b 20 20 20 20 20 |e,codema|sk;     |
|00000f20| 2f 2a 20 44 65 63 6f 64 | 65 72 20 77 6f 72 6b 69 |/* Decod|er worki|
|00000f30| 6e 67 20 76 61 72 69 61 | 62 6c 65 73 20 2a 2f 0a |ng varia|bles */.|
|00000f40| 69 6e 74 20 63 6c 65 61 | 72 2c 65 6f 69 3b 20 20 |int clea|r,eoi;  |
|00000f50| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000f60| 20 20 20 20 2f 2a 20 53 | 70 65 63 69 61 6c 20 63 |    /* S|pecial c|
|00000f70| 6f 64 65 20 76 61 6c 75 | 65 73 20 2a 2f 0a 0a 76 |ode valu|es */..v|
|00000f80| 6f 69 64 20 75 73 61 67 | 65 28 29 0a 7b 0a 20 20 |oid usag|e().{.  |
|00000f90| 20 20 20 20 20 20 66 70 | 72 69 6e 74 66 28 73 74 |      fp|rintf(st|
|00000fa0| 64 65 72 72 2c 22 75 73 | 61 67 65 3a 20 67 69 66 |derr,"us|age: gif|
|00000fb0| 74 6f 70 73 20 69 6e 70 | 75 74 2d 66 69 6c 65 20 |tops inp|ut-file |
|00000fc0| 3e 20 6f 75 74 70 75 74 | 2d 66 69 6c 65 5c 6e 22 |> output|-file\n"|
|00000fd0| 29 3b 0a 20 20 20 20 20 | 20 20 20 65 78 69 74 28 |);.     |   exit(|
|00000fe0| 2d 31 29 3b 0a 7d 0a 0a | 76 6f 69 64 20 66 61 74 |-1);.}..|void fat|
|00000ff0| 61 6c 28 73 29 0a 63 68 | 61 72 20 2a 73 3b 0a 7b |al(s).ch|ar *s;.{|
|00001000| 0a 20 20 20 20 20 20 20 | 20 66 70 72 69 6e 74 66 |.       | fprintf|
|00001010| 28 73 74 64 65 72 72 2c | 22 67 69 66 74 6f 70 73 |(stderr,|"giftops|
|00001020| 3a 20 25 73 5c 6e 22 2c | 73 29 3b 0a 20 20 20 20 |: %s\n",|s);.    |
|00001030| 20 20 20 20 65 78 69 74 | 28 2d 31 29 3b 0a 7d 0a |    exit|(-1);.}.|
|00001040| 0a 76 6f 69 64 20 63 68 | 65 63 6b 73 69 67 6e 61 |.void ch|ecksigna|
|00001050| 74 75 72 65 28 29 0a 7b | 0a 20 20 20 20 20 20 20 |ture().{|.       |
|00001060| 20 63 68 61 72 20 62 75 | 66 5b 36 5d 3b 0a 0a 20 | char bu|f[6];.. |
|00001070| 20 20 20 20 20 20 20 66 | 72 65 61 64 28 62 75 66 |       f|read(buf|
|00001080| 2c 31 2c 36 2c 69 6e 66 | 69 6c 65 29 3b 0a 20 20 |,1,6,inf|ile);.  |
|00001090| 20 20 20 20 20 20 69 66 | 20 28 73 74 72 6e 63 6d |      if| (strncm|
|000010a0| 70 28 62 75 66 2c 22 47 | 49 46 22 2c 33 29 29 20 |p(buf,"G|IF",3)) |
|000010b0| 66 61 74 61 6c 28 22 66 | 69 6c 65 20 69 73 20 6e |fatal("f|ile is n|
|000010c0| 6f 74 20 61 20 47 49 46 | 20 66 69 6c 65 22 29 3b |ot a GIF| file");|
|000010d0| 0a 20 20 20 20 20 20 20 | 20 69 66 20 28 73 74 72 |.       | if (str|
|000010e0| 6e 63 6d 70 28 26 62 75 | 66 5b 33 5d 2c 22 38 37 |ncmp(&bu|f[3],"87|
|000010f0| 61 22 2c 33 29 29 20 66 | 61 74 61 6c 28 22 75 6e |a",3)) f|atal("un|
|00001100| 6b 6e 6f 77 6e 20 47 49 | 46 20 76 65 72 73 69 6f |known GI|F versio|
|00001110| 6e 20 6e 75 6d 62 65 72 | 22 29 3b 0a 7d 0a 0a 2f |n number|");.}../|
|00001120| 2a 20 47 65 74 20 69 6e | 66 6f 72 6d 61 74 69 6f |* Get in|formatio|
|00001130| 6e 20 77 68 69 63 68 20 | 69 73 20 67 6c 6f 62 61 |n which |is globa|
|00001140| 6c 20 74 6f 20 61 6c 6c | 20 74 68 65 20 69 6d 61 |l to all| the ima|
|00001150| 67 65 73 20 73 74 6f 72 | 65 64 20 69 6e 20 74 68 |ges stor|ed in th|
|00001160| 65 20 66 69 6c 65 20 2a | 2f 0a 0a 76 6f 69 64 20 |e file *|/..void |
|00001170| 72 65 61 64 73 63 72 65 | 65 6e 28 29 0a 7b 0a 20 |readscre|en().{. |
|00001180| 20 20 20 20 20 20 20 75 | 6e 73 69 67 6e 65 64 20 |       u|nsigned |
|00001190| 63 68 61 72 20 62 75 66 | 5b 37 5d 3b 0a 0a 20 20 |char buf|[7];..  |
|000011a0| 20 20 20 20 20 20 66 72 | 65 61 64 28 62 75 66 2c |      fr|ead(buf,|
|000011b0| 31 2c 37 2c 69 6e 66 69 | 6c 65 29 3b 0a 20 20 20 |1,7,infi|le);.   |
|000011c0| 20 20 20 20 20 73 63 72 | 65 65 6e 77 69 64 74 68 |     scr|eenwidth|
|000011d0| 20 3d 20 62 75 66 5b 30 | 5d 20 2b 20 28 62 75 66 | = buf[0|] + (buf|
|000011e0| 5b 31 5d 20 3c 3c 20 38 | 29 3b 0a 20 20 20 20 20 |[1] << 8|);.     |
|000011f0| 20 20 20 73 63 72 65 65 | 6e 68 65 69 67 68 74 20 |   scree|nheight |
|00001200| 3d 20 62 75 66 5b 32 5d | 20 2b 20 28 62 75 66 5b |= buf[2]| + (buf[|
|00001210| 33 5d 20 3c 3c 20 38 29 | 3b 0a 20 20 20 20 20 20 |3] << 8)|;.      |
|00001220| 20 20 67 6c 6f 62 61 6c | 20 3d 20 62 75 66 5b 34 |  global| = buf[4|
|00001230| 5d 20 26 20 30 78 38 30 | 3b 0a 20 20 20 20 20 20 |] & 0x80|;.      |
|00001240| 20 20 69 66 20 28 67 6c | 6f 62 61 6c 29 20 7b 0a |  if (gl|obal) {.|
|00001250| 20 20 20 20 20 20 20 20 | 20 20 20 20 67 6c 6f 62 |        |    glob|
|00001260| 61 6c 62 69 74 73 20 3d | 20 28 62 75 66 5b 34 5d |albits =| (buf[4]|
|00001270| 20 26 20 30 78 30 37 29 | 20 2b 20 31 3b 0a 20 20 | & 0x07)| + 1;.  |
|00001280| 20 20 20 20 20 20 20 20 | 20 20 66 72 65 61 64 28 |        |  fread(|
|00001290| 67 6c 6f 62 61 6c 6d 61 | 70 2c 33 2c 31 3c 3c 67 |globalma|p,3,1<<g|
|000012a0| 6c 6f 62 61 6c 62 69 74 | 73 2c 69 6e 66 69 6c 65 |lobalbit|s,infile|
|000012b0| 29 3b 0a 20 20 20 20 20 | 20 20 20 7d 0a 7d 0a 0a |);.     |   }.}..|
|000012c0| 2f 2a 20 43 6f 6e 76 65 | 72 74 20 61 20 63 6f 6c |/* Conve|rt a col|
|000012d0| 6f 72 20 6d 61 70 20 28 | 6c 6f 63 61 6c 20 6f 72 |or map (|local or|
|000012e0| 20 67 6c 6f 62 61 6c 29 | 20 74 6f 20 61 6e 20 61 | global)| to an a|
|000012f0| 72 72 61 79 20 6f 66 20 | 74 77 6f 20 63 68 61 72 |rray of |two char|
|00001300| 61 63 74 65 72 0a 20 20 | 20 68 65 78 61 64 65 63 |acter.  | hexadec|
|00001310| 69 6d 61 6c 20 73 74 72 | 69 6e 67 73 2c 20 73 74 |imal str|ings, st|
|00001320| 6f 72 65 64 20 69 6e 20 | 63 6f 6c 6f 72 74 61 62 |ored in |colortab|
|00001330| 6c 65 2e 20 20 52 47 42 | 20 69 73 20 63 6f 6e 76 |le.  RGB| is conv|
|00001340| 65 72 74 65 64 20 74 6f | 0a 20 20 20 38 2d 62 69 |erted to|.   8-bi|
|00001350| 74 20 67 72 61 79 73 63 | 61 6c 65 20 75 73 69 6e |t graysc|ale usin|
|00001360| 67 20 69 6e 74 65 67 65 | 72 20 61 72 69 74 68 6d |g intege|r arithm|
|00001370| 65 74 69 63 2e 20 2a 2f | 0a 0a 76 6f 69 64 20 69 |etic. */|..void i|
|00001380| 6e 69 74 63 6f 6c 6f 72 | 73 28 63 6f 6c 6f 72 74 |nitcolor|s(colort|
|00001390| 61 62 6c 65 2c 63 6f 6c | 6f 72 6d 61 70 2c 6e 63 |able,col|ormap,nc|
|000013a0| 6f 6c 6f 72 73 29 0a 63 | 68 61 72 20 63 6f 6c 6f |olors).c|har colo|
|000013b0| 72 74 61 62 6c 65 5b 32 | 35 36 5d 5b 33 5d 3b 0a |rtable[2|56][3];.|
|000013c0| 75 6e 73 69 67 6e 65 64 | 20 63 68 61 72 20 63 6f |unsigned| char co|
|000013d0| 6c 6f 72 6d 61 70 5b 32 | 35 36 5d 5b 33 5d 3b 0a |lormap[2|56][3];.|
|000013e0| 69 6e 74 20 6e 63 6f 6c | 6f 72 73 3b 0a 7b 0a 20 |int ncol|ors;.{. |
|000013f0| 20 20 20 20 20 20 20 73 | 74 61 74 69 63 20 63 68 |       s|tatic ch|
|00001400| 61 72 20 68 65 78 74 61 | 62 5b 5d 20 3d 20 7b 27 |ar hexta|b[] = {'|
|00001410| 30 27 2c 27 31 27 2c 27 | 32 27 2c 27 33 27 2c 27 |0','1','|2','3','|
|00001420| 34 27 2c 27 35 27 2c 27 | 36 27 2c 27 37 27 2c 0a |4','5','|6','7',.|
|00001430| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001440| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001450| 27 38 27 2c 27 39 27 2c | 27 41 27 2c 27 42 27 2c |'8','9',|'A','B',|
|00001460| 27 43 27 2c 27 44 27 2c | 27 45 27 2c 27 46 27 7d |'C','D',|'E','F'}|
|00001470| 3b 0a 20 20 20 20 20 20 | 20 20 72 65 67 69 73 74 |;.      |  regist|
|00001480| 65 72 20 75 6e 73 69 67 | 6e 65 64 20 63 6f 6c 6f |er unsig|ned colo|
|00001490| 72 3b 0a 20 20 20 20 20 | 20 20 20 72 65 67 69 73 |r;.     |   regis|
|000014a0| 74 65 72 20 69 3b 0a 0a | 20 20 20 20 20 20 20 20 |ter i;..|        |
|000014b0| 66 6f 72 20 28 69 20 3d | 20 30 3b 20 69 20 3c 20 |for (i =| 0; i < |
|000014c0| 6e 63 6f 6c 6f 72 73 3b | 20 69 2b 2b 29 20 7b 0a |ncolors;| i++) {.|
|000014d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 63 6f 6c 6f |        |    colo|
|000014e0| 72 20 3d 20 37 37 2a 63 | 6f 6c 6f 72 6d 61 70 5b |r = 77*c|olormap[|
|000014f0| 69 5d 5b 30 5d 20 2b 20 | 31 35 30 2a 63 6f 6c 6f |i][0] + |150*colo|
|00001500| 72 6d 61 70 5b 69 5d 5b | 31 5d 20 2b 20 32 39 2a |rmap[i][|1] + 29*|
|00001510| 63 6f 6c 6f 72 6d 61 70 | 5b 69 5d 5b 32 5d 3b 0a |colormap|[i][2];.|
|00001520| 20 20 20 20 20 20 20 20 | 20 20 20 20 63 6f 6c 6f |        |    colo|
|00001530| 72 20 3e 3e 3d 20 38 3b | 0a 20 20 20 20 20 20 20 |r >>= 8;|.       |
|00001540| 20 20 20 20 20 63 6f 6c | 6f 72 74 61 62 6c 65 5b |     col|ortable[|
|00001550| 69 5d 5b 30 5d 20 3d 20 | 68 65 78 74 61 62 5b 63 |i][0] = |hextab[c|
|00001560| 6f 6c 6f 72 20 3e 3e 20 | 34 5d 3b 0a 20 20 20 20 |olor >> |4];.    |
|00001570| 20 20 20 20 20 20 20 20 | 63 6f 6c 6f 72 74 61 62 |        |colortab|
|00001580| 6c 65 5b 69 5d 5b 31 5d | 20 3d 20 68 65 78 74 61 |le[i][1]| = hexta|
|00001590| 62 5b 63 6f 6c 6f 72 20 | 26 20 31 35 5d 3b 0a 20 |b[color |& 15];. |
|000015a0| 20 20 20 20 20 20 20 20 | 20 20 20 63 6f 6c 6f 72 |        |   color|
|000015b0| 74 61 62 6c 65 5b 69 5d | 5b 32 5d 20 3d 20 27 5c |table[i]|[2] = '\|
|000015c0| 30 27 3b 0a 20 20 20 20 | 20 20 20 20 7d 0a 7d 0a |0';.    |    }.}.|
|000015d0| 0a 2f 2a 20 57 72 69 74 | 65 20 61 20 70 6f 73 74 |./* Writ|e a post|
|000015e0| 73 63 72 69 70 74 20 68 | 65 61 64 65 72 20 74 6f |script h|eader to|
|000015f0| 20 74 68 65 20 73 74 61 | 6e 64 61 72 64 20 6f 75 | the sta|ndard ou|
|00001600| 74 70 75 74 2e 20 20 53 | 74 61 6e 64 61 72 64 20 |tput.  S|tandard |
|00001610| 70 61 70 65 72 20 73 69 | 7a 65 0a 20 20 20 28 38 |paper si|ze.   (8|
|00001620| 2e 35 20 62 79 20 31 31 | 29 20 69 73 20 68 61 72 |.5 by 11|) is har|
|00001630| 64 2d 63 6f 64 65 64 2c | 20 61 73 20 69 73 20 74 |d-coded,| as is t|
|00001640| 68 65 20 77 68 6f 6c 65 | 20 69 6e 69 74 69 61 6c |he whole| initial|
|00001650| 69 7a 61 74 69 6f 6e 20 | 73 65 71 75 65 6e 63 65 |ization |sequence|
|00001660| 2e 20 20 2a 2f 0a 0a 76 | 6f 69 64 20 77 72 69 74 |.  */..v|oid writ|
|00001670| 65 68 65 61 64 65 72 28 | 6c 65 66 74 2c 74 6f 70 |eheader(|left,top|
|00001680| 2c 77 69 64 74 68 2c 68 | 65 69 67 68 74 29 0a 75 |,width,h|eight).u|
|00001690| 6e 73 69 67 6e 65 64 20 | 6c 65 66 74 2c 74 6f 70 |nsigned |left,top|
|000016a0| 2c 77 69 64 74 68 2c 68 | 65 69 67 68 74 3b 0a 7b |,width,h|eight;.{|
|000016b0| 0a 20 20 20 20 20 20 20 | 20 64 6f 75 62 6c 65 20 |.       | double |
|000016c0| 73 63 61 6c 65 3b 0a 20 | 20 20 20 20 20 20 20 69 |scale;. |       i|
|000016d0| 6e 74 20 73 63 61 6c 65 | 64 77 69 64 74 68 2c 73 |nt scale|dwidth,s|
|000016e0| 63 61 6c 65 64 68 65 69 | 67 68 74 3b 0a 0a 20 20 |caledhei|ght;..  |
|000016f0| 20 20 20 20 20 20 73 63 | 61 6c 65 20 3d 20 6d 69 |      sc|ale = mi|
|00001700| 6e 28 36 34 38 2e 30 2f | 73 63 72 65 65 6e 77 69 |n(648.0/|screenwi|
|00001710| 64 74 68 2c 20 34 36 38 | 2e 30 2f 73 63 72 65 65 |dth, 468|.0/scree|
|00001720| 6e 68 65 69 67 68 74 29 | 3b 0a 20 20 20 20 20 20 |nheight)|;.      |
|00001730| 20 20 73 63 61 6c 65 64 | 77 69 64 74 68 20 3d 20 |  scaled|width = |
|00001740| 28 69 6e 74 29 28 73 63 | 61 6c 65 2a 73 63 72 65 |(int)(sc|ale*scre|
|00001750| 65 6e 77 69 64 74 68 2b | 30 2e 35 29 3b 0a 20 20 |enwidth+|0.5);.  |
|00001760| 20 20 20 20 20 20 73 63 | 61 6c 65 64 68 65 69 67 |      sc|aledheig|
|00001770| 68 74 20 3d 20 28 69 6e | 74 29 28 73 63 61 6c 65 |ht = (in|t)(scale|
|00001780| 2a 73 63 72 65 65 6e 68 | 65 69 67 68 74 2b 30 2e |*screenh|eight+0.|
|00001790| 35 29 3b 0a 0a 20 20 20 | 20 20 20 20 20 70 72 69 |5);..   |     pri|
|000017a0| 6e 74 66 28 22 63 75 72 | 72 65 6e 74 73 63 72 65 |ntf("cur|rentscre|
|000017b0| 65 6e 20 2f 70 72 6f 63 | 20 65 78 63 68 20 64 65 |en /proc| exch de|
|000017c0| 66 20 2f 61 6e 67 6c 65 | 20 65 78 63 68 20 64 65 |f /angle| exch de|
|000017d0| 66 20 2f 66 72 65 71 75 | 65 6e 63 79 20 65 78 63 |f /frequ|ency exc|
|000017e0| 68 20 64 65 66 5c 6e 22 | 29 3b 0a 20 20 20 20 20 |h def\n"|);.     |
|000017f0| 20 20 20 70 72 69 6e 74 | 66 28 22 2f 61 6e 67 6c |   print|f("/angl|
|00001800| 65 20 39 30 20 64 65 66 | 20 2f 66 72 65 71 75 65 |e 90 def| /freque|
|00001810| 6e 63 79 20 36 30 20 64 | 65 66 5c 6e 22 29 3b 0a |ncy 60 d|ef\n");.|
|00001820| 20 20 20 20 20 20 20 20 | 70 72 69 6e 74 66 28 22 |        |printf("|
|00001830| 66 72 65 71 75 65 6e 63 | 79 20 61 6e 67 6c 65 20 |frequenc|y angle |
|00001840| 2f 70 72 6f 63 20 6c 6f | 61 64 20 73 65 74 73 63 |/proc lo|ad setsc|
|00001850| 72 65 65 6e 5c 6e 22 29 | 3b 0a 20 20 20 20 20 20 |reen\n")|;.      |
|00001860| 20 20 70 72 69 6e 74 66 | 28 22 2f 70 69 63 73 74 |  printf|("/picst|
|00001870| 72 20 25 64 20 73 74 72 | 69 6e 67 20 64 65 66 5c |r %d str|ing def\|
|00001880| 6e 22 2c 77 69 64 74 68 | 29 3b 0a 20 20 20 20 20 |n",width|);.     |
|00001890| 20 20 20 70 72 69 6e 74 | 66 28 22 2f 73 63 72 65 |   print|f("/scre|
|000018a0| 65 6e 20 7b 25 64 20 25 | 64 20 38 20 5b 25 64 20 |en {%d %|d 8 [%d |
|000018b0| 30 20 30 20 2d 25 64 20 | 30 20 25 64 5d 5c 6e 22 |0 0 -%d |0 %d]\n"|
|000018c0| 2c 77 69 64 74 68 2c 68 | 65 69 67 68 74 2c 77 69 |,width,h|eight,wi|
|000018d0| 64 74 68 2c 68 65 69 67 | 68 74 2c 68 65 69 67 68 |dth,heig|ht,heigh|
|000018e0| 74 29 3b 0a 20 20 20 20 | 20 20 20 20 70 72 69 6e |t);.    |    prin|
|000018f0| 74 66 28 22 20 20 20 7b | 63 75 72 72 65 6e 74 66 |tf("   {|currentf|
|00001900| 69 6c 65 20 70 69 63 73 | 74 72 20 72 65 61 64 68 |ile pics|tr readh|
|00001910| 65 78 73 74 72 69 6e 67 | 20 70 6f 70 7d 20 69 6d |exstring| pop} im|
|00001920| 61 67 65 7d 20 64 65 66 | 5c 6e 22 29 3b 0a 20 20 |age} def|\n");.  |
|00001930| 20 20 20 20 20 20 70 72 | 69 6e 74 66 28 22 25 64 |      pr|intf("%d|
|00001940| 20 25 64 20 74 72 61 6e | 73 6c 61 74 65 20 39 30 | %d tran|slate 90|
|00001950| 20 72 6f 74 61 74 65 20 | 25 64 20 25 64 20 73 63 | rotate |%d %d sc|
|00001960| 61 6c 65 20 73 63 72 65 | 65 6e 5c 6e 22 2c 0a 20 |ale scre|en\n",. |
|00001970| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 33 30 |        |      30|
|00001980| 36 2b 28 73 63 61 6c 65 | 64 68 65 69 67 68 74 3e |6+(scale|dheight>|
|00001990| 3e 31 29 2c 33 39 36 2d | 28 73 63 61 6c 65 64 77 |>1),396-|(scaledw|
|000019a0| 69 64 74 68 3e 3e 31 29 | 2c 0a 20 20 20 20 20 20 |idth>>1)|,.      |
|000019b0| 20 20 20 20 20 20 20 20 | 20 73 63 61 6c 65 64 77 |        | scaledw|
|000019c0| 69 64 74 68 2c 20 73 63 | 61 6c 65 64 68 65 69 67 |idth, sc|aledheig|
|000019d0| 68 74 29 3b 0a 7d 0a 0a | 2f 2a 20 4f 75 74 70 75 |ht);.}..|/* Outpu|
|000019e0| 74 20 74 68 65 20 62 79 | 74 65 73 20 61 73 73 6f |t the by|tes asso|
|000019f0| 63 69 61 74 65 64 20 77 | 69 74 68 20 61 20 63 6f |ciated w|ith a co|
|00001a00| 64 65 20 74 6f 20 74 68 | 65 20 72 61 73 74 65 72 |de to th|e raster|
|00001a10| 20 61 72 72 61 79 20 2a | 2f 0a 0a 76 6f 69 64 20 | array *|/..void |
|00001a20| 6f 75 74 63 6f 64 65 28 | 70 2c 66 69 6c 6c 29 0a |outcode(|p,fill).|
|00001a30| 72 65 67 69 73 74 65 72 | 20 63 6f 64 65 74 79 70 |register| codetyp|
|00001a40| 65 20 2a 70 3b 0a 72 65 | 67 69 73 74 65 72 20 75 |e *p;.re|gister u|
|00001a50| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 2a 66 |nsigned |char **f|
|00001a60| 69 6c 6c 3b 0a 7b 0a 20 | 20 20 20 20 20 20 20 69 |ill;.{. |       i|
|00001a70| 66 20 28 70 2d 3e 70 72 | 65 66 69 78 29 20 6f 75 |f (p->pr|efix) ou|
|00001a80| 74 63 6f 64 65 28 70 2d | 3e 70 72 65 66 69 78 2c |tcode(p-|>prefix,|
|00001a90| 66 69 6c 6c 29 3b 0a 20 | 20 20 20 20 20 20 20 2a |fill);. |       *|
|00001aa0| 28 2a 66 69 6c 6c 29 2b | 2b 20 3d 20 70 2d 3e 73 |(*fill)+|+ = p->s|
|00001ab0| 75 66 66 69 78 3b 0a 7d | 0a 0a 2f 2a 20 50 72 6f |uffix;.}|../* Pro|
|00001ac0| 63 65 73 73 20 61 20 63 | 6f 6d 70 72 65 73 73 69 |cess a c|ompressi|
|00001ad0| 6f 6e 20 63 6f 64 65 2e | 20 20 22 63 6c 65 61 72 |on code.|  "clear|
|00001ae0| 22 20 72 65 73 65 74 73 | 20 74 68 65 20 63 6f 64 |" resets| the cod|
|00001af0| 65 20 74 61 62 6c 65 2e | 20 20 4f 74 68 65 72 77 |e table.|  Otherw|
|00001b00| 69 73 65 0a 20 20 20 6d | 61 6b 65 20 61 20 6e 65 |ise.   m|ake a ne|
|00001b10| 77 20 63 6f 64 65 20 74 | 61 62 6c 65 20 65 6e 74 |w code t|able ent|
|00001b20| 72 79 2c 20 61 6e 64 20 | 6f 75 74 70 75 74 20 74 |ry, and |output t|
|00001b30| 68 65 20 62 79 74 65 73 | 20 61 73 73 6f 63 69 61 |he bytes| associa|
|00001b40| 74 65 64 20 77 69 74 68 | 20 74 68 65 0a 20 20 20 |ted with| the.   |
|00001b50| 63 6f 64 65 2e 20 2a 2f | 0a 0a 76 6f 69 64 20 70 |code. */|..void p|
|00001b60| 72 6f 63 65 73 73 28 63 | 6f 64 65 2c 66 69 6c 6c |rocess(c|ode,fill|
|00001b70| 29 0a 72 65 67 69 73 74 | 65 72 20 63 6f 64 65 3b |).regist|er code;|
|00001b80| 0a 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 20 2a |.unsigne|d char *|
|00001b90| 2a 66 69 6c 6c 3b 0a 7b | 0a 20 20 20 20 20 20 20 |*fill;.{|.       |
|00001ba0| 20 73 74 61 74 69 63 20 | 61 76 61 69 6c 2c 6f 6c | static |avail,ol|
|00001bb0| 64 63 6f 64 65 3b 0a 20 | 20 20 20 20 20 20 20 72 |dcode;. |       r|
|00001bc0| 65 67 69 73 74 65 72 20 | 63 6f 64 65 74 79 70 65 |egister |codetype|
|00001bd0| 20 2a 70 3b 0a 0a 20 20 | 20 20 20 20 20 20 69 66 | *p;..  |      if|
|00001be0| 20 28 63 6f 64 65 20 3d | 3d 20 63 6c 65 61 72 29 | (code =|= clear)|
|00001bf0| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 63 | {.     |       c|
|00001c00| 6f 64 65 73 69 7a 65 20 | 3d 20 64 61 74 61 73 69 |odesize |= datasi|
|00001c10| 7a 65 20 2b 20 31 3b 0a | 20 20 20 20 20 20 20 20 |ze + 1;.|        |
|00001c20| 20 20 20 20 63 6f 64 65 | 6d 61 73 6b 20 3d 20 28 |    code|mask = (|
|00001c30| 31 20 3c 3c 20 63 6f 64 | 65 73 69 7a 65 29 20 2d |1 << cod|esize) -|
|00001c40| 20 31 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 | 1;.    |        |
|00001c50| 61 76 61 69 6c 20 3d 20 | 63 6c 65 61 72 20 2b 20 |avail = |clear + |
|00001c60| 32 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 6f |2;.     |       o|
|00001c70| 6c 64 63 6f 64 65 20 3d | 20 2d 31 3b 0a 20 20 20 |ldcode =| -1;.   |
|00001c80| 20 20 20 20 20 7d 20 65 | 6c 73 65 20 69 66 20 28 |     } e|lse if (|
|00001c90| 63 6f 64 65 20 3c 20 61 | 76 61 69 6c 29 20 7b 0a |code < a|vail) {.|
|00001ca0| 20 20 20 20 20 20 20 20 | 20 20 20 20 6f 75 74 63 |        |    outc|
|00001cb0| 6f 64 65 28 26 63 6f 64 | 65 74 61 62 6c 65 5b 63 |ode(&cod|etable[c|
|00001cc0| 6f 64 65 5d 2c 66 69 6c | 6c 29 3b 0a 20 20 20 20 |ode],fil|l);.    |
|00001cd0| 20 20 20 20 20 20 20 20 | 69 66 20 28 6f 6c 64 63 |        |if (oldc|
|00001ce0| 6f 64 65 20 21 3d 20 2d | 31 29 20 7b 0a 20 20 20 |ode != -|1) {.   |
|00001cf0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 70 20 3d |        |     p =|
|00001d00| 20 26 63 6f 64 65 74 61 | 62 6c 65 5b 61 76 61 69 | &codeta|ble[avai|
|00001d10| 6c 2b 2b 5d 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |l++];.  |        |
|00001d20| 20 20 20 20 20 20 70 2d | 3e 70 72 65 66 69 78 20 |      p-|>prefix |
|00001d30| 3d 20 26 63 6f 64 65 74 | 61 62 6c 65 5b 6f 6c 64 |= &codet|able[old|
|00001d40| 63 6f 64 65 5d 3b 0a 20 | 20 20 20 20 20 20 20 20 |code];. |        |
|00001d50| 20 20 20 20 20 20 20 70 | 2d 3e 66 69 72 73 74 20 |       p|->first |
|00001d60| 3d 20 70 2d 3e 70 72 65 | 66 69 78 2d 3e 66 69 72 |= p->pre|fix->fir|
|00001d70| 73 74 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |st;.    |        |
|00001d80| 20 20 20 20 70 2d 3e 73 | 75 66 66 69 78 20 3d 20 |    p->s|uffix = |
|00001d90| 63 6f 64 65 74 61 62 6c | 65 5b 63 6f 64 65 5d 2e |codetabl|e[code].|
|00001da0| 66 69 72 73 74 3b 0a 20 | 20 20 20 20 20 20 20 20 |first;. |        |
|00001db0| 20 20 20 20 20 20 20 69 | 66 20 28 28 61 76 61 69 |       i|f ((avai|
|00001dc0| 6c 20 26 20 63 6f 64 65 | 6d 61 73 6b 29 20 3d 3d |l & code|mask) ==|
|00001dd0| 20 30 20 26 26 20 61 76 | 61 69 6c 20 3c 20 34 30 | 0 && av|ail < 40|
|00001de0| 39 36 29 20 7b 0a 20 20 | 20 20 20 20 20 20 20 20 |96) {.  |        |
|00001df0| 20 20 20 20 20 20 20 20 | 20 20 63 6f 64 65 73 69 |        |  codesi|
|00001e00| 7a 65 2b 2b 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |ze++;.  |        |
|00001e10| 20 20 20 20 20 20 20 20 | 20 20 63 6f 64 65 6d 61 |        |  codema|
|00001e20| 73 6b 20 2b 3d 20 61 76 | 61 69 6c 3b 0a 20 20 20 |sk += av|ail;.   |
|00001e30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 7d 0a 20 |        |     }. |
|00001e40| 20 20 20 20 20 20 20 20 | 20 20 20 7d 0a 20 20 20 |        |   }.   |
|00001e50| 20 20 20 20 20 20 20 20 | 20 6f 6c 64 63 6f 64 65 |        | oldcode|
|00001e60| 20 3d 20 63 6f 64 65 3b | 0a 20 20 20 20 20 20 20 | = code;|.       |
|00001e70| 20 7d 20 65 6c 73 65 20 | 69 66 20 28 63 6f 64 65 | } else |if (code|
|00001e80| 20 3d 3d 20 61 76 61 69 | 6c 20 26 26 20 6f 6c 64 | == avai|l && old|
|00001e90| 63 6f 64 65 20 21 3d 20 | 2d 31 29 20 7b 0a 20 20 |code != |-1) {.  |
|00001ea0| 20 20 20 20 20 20 20 20 | 20 20 70 20 3d 20 26 63 |        |  p = &c|
|00001eb0| 6f 64 65 74 61 62 6c 65 | 5b 61 76 61 69 6c 2b 2b |odetable|[avail++|
|00001ec0| 5d 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 70 |];.     |       p|
|00001ed0| 2d 3e 70 72 65 66 69 78 | 20 3d 20 26 63 6f 64 65 |->prefix| = &code|
|00001ee0| 74 61 62 6c 65 5b 6f 6c | 64 63 6f 64 65 5d 3b 0a |table[ol|dcode];.|
|00001ef0| 20 20 20 20 20 20 20 20 | 20 20 20 20 70 2d 3e 66 |        |    p->f|
|00001f00| 69 72 73 74 20 3d 20 70 | 2d 3e 70 72 65 66 69 78 |irst = p|->prefix|
|00001f10| 2d 3e 66 69 72 73 74 3b | 0a 20 20 20 20 20 20 20 |->first;|.       |
|00001f20| 20 20 20 20 20 70 2d 3e | 73 75 66 66 69 78 20 3d |     p->|suffix =|
|00001f30| 20 70 2d 3e 66 69 72 73 | 74 3b 0a 20 20 20 20 20 | p->firs|t;.     |
|00001f40| 20 20 20 20 20 20 20 6f | 75 74 63 6f 64 65 28 70 |       o|utcode(p|
|00001f50| 2c 66 69 6c 6c 29 3b 0a | 20 20 20 20 20 20 20 20 |,fill);.|        |
|00001f60| 20 20 20 20 69 66 20 28 | 28 61 76 61 69 6c 20 26 |    if (|(avail &|
|00001f70| 20 63 6f 64 65 6d 61 73 | 6b 29 20 3d 3d 20 30 20 | codemas|k) == 0 |
|00001f80| 26 26 20 61 76 61 69 6c | 20 3c 20 34 30 39 36 29 |&& avail| < 4096)|
|00001f90| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.     |        |
|00001fa0| 20 20 20 63 6f 64 65 73 | 69 7a 65 2b 2b 3b 0a 20 |   codes|ize++;. |
|00001fb0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 63 |        |       c|
|00001fc0| 6f 64 65 6d 61 73 6b 20 | 2b 3d 20 61 76 61 69 6c |odemask |+= avail|
|00001fd0| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 7d 0a |;.      |      }.|
|00001fe0| 20 20 20 20 20 20 20 20 | 20 20 20 20 6f 6c 64 63 |        |    oldc|
|00001ff0| 6f 64 65 20 3d 20 63 6f | 64 65 3b 0a 20 20 20 20 |ode = co|de;.    |
|00002000| 20 20 20 20 7d 20 65 6c | 73 65 20 7b 0a 20 20 20 |    } el|se {.   |
|00002010| 20 20 20 20 20 20 20 20 | 20 66 61 74 61 6c 28 22 |        | fatal("|
|00002020| 69 6c 6c 65 67 61 6c 20 | 63 6f 64 65 20 69 6e 20 |illegal |code in |
|00002030| 72 61 73 74 65 72 20 64 | 61 74 61 22 29 3b 0a 20 |raster d|ata");. |
|00002040| 20 20 20 20 20 20 20 7d | 0a 7d 0a 0a 2f 2a 20 44 |       }|.}../* D|
|00002050| 65 63 6f 64 65 20 61 20 | 72 61 73 74 65 72 20 69 |ecode a |raster i|
|00002060| 6d 61 67 65 20 2a 2f 0a | 0a 76 6f 69 64 20 72 65 |mage */.|.void re|
|00002070| 61 64 72 61 73 74 65 72 | 28 77 69 64 74 68 2c 68 |adraster|(width,h|
|00002080| 65 69 67 68 74 29 0a 75 | 6e 73 69 67 6e 65 64 20 |eight).u|nsigned |
|00002090| 77 69 64 74 68 2c 68 65 | 69 67 68 74 3b 0a 7b 0a |width,he|ight;.{.|
|000020a0| 20 20 20 20 20 20 20 20 | 75 6e 73 69 67 6e 65 64 |        |unsigned|
|000020b0| 20 63 68 61 72 20 2a 66 | 69 6c 6c 20 3d 20 72 61 | char *f|ill = ra|
|000020c0| 73 74 65 72 3b 0a 20 20 | 20 20 20 20 20 20 75 6e |ster;.  |      un|
|000020d0| 73 69 67 6e 65 64 20 63 | 68 61 72 20 62 75 66 5b |signed c|har buf[|
|000020e0| 32 35 35 5d 3b 0a 20 20 | 20 20 20 20 20 20 72 65 |255];.  |      re|
|000020f0| 67 69 73 74 65 72 20 62 | 69 74 73 3d 30 3b 0a 20 |gister b|its=0;. |
|00002100| 20 20 20 20 20 20 20 72 | 65 67 69 73 74 65 72 20 |       r|egister |
|00002110| 75 6e 73 69 67 6e 65 64 | 20 63 6f 75 6e 74 2c 64 |unsigned| count,d|
|00002120| 61 74 75 6d 3d 30 3b 0a | 20 20 20 20 20 20 20 20 |atum=0;.|        |
|00002130| 72 65 67 69 73 74 65 72 | 20 75 6e 73 69 67 6e 65 |register| unsigne|
|00002140| 64 20 63 68 61 72 20 2a | 63 68 3b 0a 20 20 20 20 |d char *|ch;.    |
|00002150| 20 20 20 20 72 65 67 69 | 73 74 65 72 20 69 6e 74 |    regi|ster int|
|00002160| 20 63 6f 64 65 3b 0a 0a | 20 20 20 20 20 20 20 20 | code;..|        |
|00002170| 64 61 74 61 73 69 7a 65 | 20 3d 20 67 65 74 63 28 |datasize| = getc(|
|00002180| 69 6e 66 69 6c 65 29 3b | 0a 20 20 20 20 20 20 20 |infile);|.       |
|00002190| 20 63 6c 65 61 72 20 3d | 20 31 20 3c 3c 20 64 61 | clear =| 1 << da|
|000021a0| 74 61 73 69 7a 65 3b 0a | 20 20 20 20 20 20 20 20 |tasize;.|        |
|000021b0| 65 6f 69 20 3d 20 63 6c | 65 61 72 2b 31 3b 0a 20 |eoi = cl|ear+1;. |
|000021c0| 20 20 20 20 20 20 20 63 | 6f 64 65 73 69 7a 65 20 |       c|odesize |
|000021d0| 3d 20 64 61 74 61 73 69 | 7a 65 20 2b 20 31 3b 0a |= datasi|ze + 1;.|
|000021e0| 20 20 20 20 20 20 20 20 | 63 6f 64 65 6d 61 73 6b |        |codemask|
|000021f0| 20 3d 20 28 31 20 3c 3c | 20 63 6f 64 65 73 69 7a | = (1 <<| codesiz|
|00002200| 65 29 20 2d 20 31 3b 0a | 20 20 20 20 20 20 20 20 |e) - 1;.|        |
|00002210| 63 6f 64 65 74 61 62 6c | 65 20 3d 20 28 63 6f 64 |codetabl|e = (cod|
|00002220| 65 74 79 70 65 2a 29 6d | 61 6c 6c 6f 63 28 34 30 |etype*)m|alloc(40|
|00002230| 39 36 2a 73 69 7a 65 6f | 66 28 63 6f 64 65 74 79 |96*sizeo|f(codety|
|00002240| 70 65 29 29 3b 0a 20 20 | 20 20 20 20 20 20 69 66 |pe));.  |      if|
|00002250| 20 28 21 63 6f 64 65 74 | 61 62 6c 65 29 20 66 61 | (!codet|able) fa|
|00002260| 74 61 6c 28 22 6e 6f 74 | 20 65 6e 6f 75 67 68 20 |tal("not| enough |
|00002270| 6d 65 6d 6f 72 79 20 66 | 6f 72 20 63 6f 64 65 20 |memory f|or code |
|00002280| 74 61 62 6c 65 22 29 3b | 0a 20 20 20 20 20 20 20 |table");|.       |
|00002290| 20 66 6f 72 20 28 63 6f | 64 65 20 3d 20 30 3b 20 | for (co|de = 0; |
|000022a0| 63 6f 64 65 20 3c 20 63 | 6c 65 61 72 3b 20 63 6f |code < c|lear; co|
|000022b0| 64 65 2b 2b 29 20 7b 0a | 20 20 20 20 20 20 20 20 |de++) {.|        |
|000022c0| 20 20 20 20 63 6f 64 65 | 74 61 62 6c 65 5b 63 6f |    code|table[co|
|000022d0| 64 65 5d 2e 70 72 65 66 | 69 78 20 3d 20 28 63 6f |de].pref|ix = (co|
|000022e0| 64 65 74 79 70 65 2a 29 | 30 3b 0a 20 20 20 20 20 |detype*)|0;.     |
|000022f0| 20 20 20 20 20 20 20 63 | 6f 64 65 74 61 62 6c 65 |       c|odetable|
|00002300| 5b 63 6f 64 65 5d 2e 66 | 69 72 73 74 20 3d 20 63 |[code].f|irst = c|
|00002310| 6f 64 65 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |ode;.   |        |
|00002320| 20 63 6f 64 65 74 61 62 | 6c 65 5b 63 6f 64 65 5d | codetab|le[code]|
|00002330| 2e 73 75 66 66 69 78 20 | 3d 20 63 6f 64 65 3b 0a |.suffix |= code;.|
|00002340| 20 20 20 20 20 20 20 20 | 7d 0a 20 20 20 20 20 20 |        |}.      |
|00002350| 20 20 66 6f 72 20 28 63 | 6f 75 6e 74 20 3d 20 67 |  for (c|ount = g|
|00002360| 65 74 63 28 69 6e 66 69 | 6c 65 29 3b 20 63 6f 75 |etc(infi|le); cou|
|00002370| 6e 74 20 3e 20 30 3b 20 | 63 6f 75 6e 74 20 3d 20 |nt > 0; |count = |
|00002380| 67 65 74 63 28 69 6e 66 | 69 6c 65 29 29 20 7b 0a |getc(inf|ile)) {.|
|00002390| 20 20 20 20 20 20 20 20 | 20 20 20 20 66 72 65 61 |        |    frea|
|000023a0| 64 28 62 75 66 2c 31 2c | 63 6f 75 6e 74 2c 69 6e |d(buf,1,|count,in|
|000023b0| 66 69 6c 65 29 3b 0a 20 | 20 20 20 20 20 20 20 20 |file);. |        |
|000023c0| 20 20 20 66 6f 72 20 28 | 63 68 3d 62 75 66 3b 20 |   for (|ch=buf; |
|000023d0| 63 6f 75 6e 74 2d 2d 20 | 3e 20 30 3b 20 63 68 2b |count-- |> 0; ch+|
|000023e0| 2b 29 20 7b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |+) {.   |        |
|000023f0| 20 20 20 20 20 64 61 74 | 75 6d 20 2b 3d 20 2a 63 |     dat|um += *c|
|00002400| 68 20 3c 3c 20 62 69 74 | 73 3b 0a 20 20 20 20 20 |h << bit|s;.     |
|00002410| 20 20 20 20 20 20 20 20 | 20 20 20 62 69 74 73 20 |        |   bits |
|00002420| 2b 3d 20 38 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |+= 8;.  |        |
|00002430| 20 20 20 20 20 20 77 68 | 69 6c 65 20 28 62 69 74 |      wh|ile (bit|
|00002440| 73 20 3e 3d 20 63 6f 64 | 65 73 69 7a 65 29 20 7b |s >= cod|esize) {|
|00002450| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00002460| 20 20 20 20 20 63 6f 64 | 65 20 3d 20 64 61 74 75 |     cod|e = datu|
|00002470| 6d 20 26 20 63 6f 64 65 | 6d 61 73 6b 3b 0a 20 20 |m & code|mask;.  |
|00002480| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002490| 20 20 64 61 74 75 6d 20 | 3e 3e 3d 20 63 6f 64 65 |  datum |>>= code|
|000024a0| 73 69 7a 65 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |size;.  |        |
|000024b0| 20 20 20 20 20 20 20 20 | 20 20 62 69 74 73 20 2d |        |  bits -|
|000024c0| 3d 20 63 6f 64 65 73 69 | 7a 65 3b 0a 20 20 20 20 |= codesi|ze;.    |
|000024d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000024e0| 69 66 20 28 63 6f 64 65 | 20 3d 3d 20 65 6f 69 29 |if (code| == eoi)|
|000024f0| 20 67 6f 74 6f 20 65 78 | 69 74 6c 6f 6f 70 3b 20 | goto ex|itloop; |
|00002500| 20 2f 2a 20 54 68 69 73 | 20 6b 6c 75 64 67 65 20 | /* This| kludge |
|00002510| 70 75 74 20 69 6e 0a 20 | 20 20 20 20 20 20 20 20 |put in. |        |
|00002520| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002530| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002540| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 62 |        |       b|
|00002550| 65 63 61 75 73 65 20 73 | 6f 6d 65 20 47 49 46 20 |ecause s|ome GIF |
|00002560| 66 69 6c 65 73 0a 20 20 | 20 20 20 20 20 20 20 20 |files.  |        |
|00002570| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002580| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002590| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 61 72 |        |      ar|
|000025a0| 65 6e 27 74 20 73 74 61 | 6e 64 61 72 64 20 2a 2f |en't sta|ndard */|
|000025b0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|000025c0| 20 20 20 20 20 70 72 6f | 63 65 73 73 28 63 6f 64 |     pro|cess(cod|
|000025d0| 65 2c 26 66 69 6c 6c 29 | 3b 0a 20 20 20 20 20 20 |e,&fill)|;.      |
|000025e0| 20 20 20 20 20 20 20 20 | 20 20 7d 0a 20 20 20 20 |        |  }.    |
|000025f0| 20 20 20 20 20 20 20 20 | 7d 0a 20 20 20 20 20 20 |        |}.      |
|00002600| 20 20 7d 0a 65 78 69 74 | 6c 6f 6f 70 3a 0a 20 20 |  }.exit|loop:.  |
|00002610| 20 20 20 20 20 20 69 66 | 20 28 66 69 6c 6c 20 21 |      if| (fill !|
|00002620| 3d 20 72 61 73 74 65 72 | 20 2b 20 77 69 64 74 68 |= raster| + width|
|00002630| 2a 68 65 69 67 68 74 29 | 20 66 61 74 61 6c 28 22 |*height)| fatal("|
|00002640| 72 61 73 74 65 72 20 68 | 61 73 20 74 68 65 20 77 |raster h|as the w|
|00002650| 72 6f 6e 67 20 73 69 7a | 65 22 29 3b 0a 20 20 20 |rong siz|e");.   |
|00002660| 20 20 20 20 20 66 72 65 | 65 28 63 6f 64 65 74 61 |     fre|e(codeta|
|00002670| 62 6c 65 29 3b 0a 7d 0a | 0a 2f 2a 20 52 65 61 64 |ble);.}.|./* Read|
|00002680| 20 61 20 72 6f 77 20 6f | 75 74 20 6f 66 20 74 68 | a row o|ut of th|
|00002690| 65 20 72 61 73 74 65 72 | 20 69 6d 61 67 65 20 61 |e raster| image a|
|000026a0| 6e 64 20 77 72 69 74 65 | 20 69 74 20 74 6f 20 74 |nd write| it to t|
|000026b0| 68 65 20 6f 75 74 70 75 | 74 20 66 69 6c 65 20 2a |he outpu|t file *|
|000026c0| 2f 0a 0a 76 6f 69 64 20 | 72 61 73 74 65 72 69 7a |/..void |rasteriz|
|000026d0| 65 28 72 6f 77 2c 77 69 | 64 74 68 29 0a 69 6e 74 |e(row,wi|dth).int|
|000026e0| 20 72 6f 77 2c 77 69 64 | 74 68 3b 0a 7b 0a 20 20 | row,wid|th;.{.  |
|000026f0| 20 20 20 20 20 20 72 65 | 67 69 73 74 65 72 20 75 |      re|gister u|
|00002700| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 73 63 |nsigned |char *sc|
|00002710| 61 6e 6c 69 6e 65 3b 0a | 20 20 20 20 20 20 20 20 |anline;.|        |
|00002720| 72 65 67 69 73 74 65 72 | 20 69 3b 0a 0a 20 20 20 |register| i;..   |
|00002730| 20 20 20 20 20 73 63 61 | 6e 6c 69 6e 65 20 3d 20 |     sca|nline = |
|00002740| 72 61 73 74 65 72 20 2b | 20 72 6f 77 2a 77 69 64 |raster +| row*wid|
|00002750| 74 68 3b 0a 20 20 20 20 | 20 20 20 20 66 6f 72 20 |th;.    |    for |
|00002760| 28 69 20 3d 20 30 3b 20 | 69 20 3c 20 77 69 64 74 |(i = 0; |i < widt|
|00002770| 68 3b 20 69 2b 2b 29 20 | 7b 0a 20 20 20 20 20 20 |h; i++) |{.      |
|00002780| 20 20 20 20 20 20 69 66 | 20 28 69 20 25 20 34 30 |      if| (i % 40|
|00002790| 20 3d 3d 20 30 29 20 70 | 72 69 6e 74 66 28 22 5c | == 0) p|rintf("\|
|000027a0| 6e 22 29 3b 20 20 2f 2a | 20 62 72 65 61 6b 20 6c |n");  /*| break l|
|000027b0| 69 6e 65 20 65 76 65 72 | 79 20 38 30 20 63 68 61 |ine ever|y 80 cha|
|000027c0| 72 73 20 2a 2f 0a 20 20 | 20 20 20 20 20 20 20 20 |rs */.  |        |
|000027d0| 20 20 66 70 75 74 73 28 | 63 6f 6c 6f 72 74 61 62 |  fputs(|colortab|
|000027e0| 6c 65 5b 2a 73 63 61 6e | 6c 69 6e 65 2b 2b 5d 2c |le[*scan|line++],|
|000027f0| 73 74 64 6f 75 74 29 3b | 0a 20 20 20 20 20 20 20 |stdout);|.       |
|00002800| 20 7d 0a 20 20 20 20 20 | 20 20 20 70 72 69 6e 74 | }.     |   print|
|00002810| 66 28 22 5c 6e 22 29 3b | 0a 7d 0a 0a 2f 2a 20 77 |f("\n");|.}../* w|
|00002820| 72 69 74 65 20 69 6d 61 | 67 65 20 74 72 61 69 6c |rite ima|ge trail|
|00002830| 65 72 20 74 6f 20 73 74 | 61 6e 64 61 72 64 20 6f |er to st|andard o|
|00002840| 75 74 70 75 74 20 2a 2f | 0a 0a 76 6f 69 64 20 77 |utput */|..void w|
|00002850| 72 69 74 65 74 72 61 69 | 6c 65 72 28 29 0a 7b 0a |ritetrai|ler().{.|
|00002860| 20 20 20 20 20 20 20 20 | 70 72 69 6e 74 66 28 22 |        |printf("|
|00002870| 73 68 6f 77 70 61 67 65 | 5c 6e 22 29 3b 0a 7d 0a |showpage|\n");.}.|
|00002880| 0a 2f 2a 20 52 65 61 64 | 20 69 6d 61 67 65 20 69 |./* Read| image i|
|00002890| 6e 66 6f 72 6d 61 74 69 | 6f 6e 20 28 70 6f 73 69 |nformati|on (posi|
|000028a0| 74 69 6f 6e 2c 20 73 69 | 7a 65 2c 20 6c 6f 63 61 |tion, si|ze, loca|
|000028b0| 6c 20 63 6f 6c 6f 72 20 | 6d 61 70 2c 20 65 74 63 |l color |map, etc|
|000028c0| 2e 29 20 61 6e 64 20 63 | 6f 6e 76 65 72 74 0a 20 |.) and c|onvert. |
|000028d0| 20 20 74 6f 20 70 6f 73 | 74 73 63 72 69 70 74 2e |  to pos|tscript.|
|000028e0| 20 2a 2f 0a 0a 76 6f 69 | 64 20 72 65 61 64 69 6d | */..voi|d readim|
|000028f0| 61 67 65 28 29 0a 7b 0a | 20 20 20 20 20 20 20 20 |age().{.|        |
|00002900| 75 6e 73 69 67 6e 65 64 | 20 63 68 61 72 20 62 75 |unsigned| char bu|
|00002910| 66 5b 39 5d 3b 0a 20 20 | 20 20 20 20 20 20 75 6e |f[9];.  |      un|
|00002920| 73 69 67 6e 65 64 20 6c | 65 66 74 2c 74 6f 70 2c |signed l|eft,top,|
|00002930| 77 69 64 74 68 2c 68 65 | 69 67 68 74 3b 0a 20 20 |width,he|ight;.  |
|00002940| 20 20 20 20 20 20 62 6f | 6f 6c 20 6c 6f 63 61 6c |      bo|ol local|
|00002950| 2c 69 6e 74 65 72 6c 65 | 61 76 65 64 3b 0a 20 20 |,interle|aved;.  |
|00002960| 20 20 20 20 20 20 63 68 | 61 72 20 6c 6f 63 61 6c |      ch|ar local|
|00002970| 6d 61 70 5b 32 35 36 5d | 5b 33 5d 3b 0a 20 20 20 |map[256]|[3];.   |
|00002980| 20 20 20 20 20 69 6e 74 | 20 6c 6f 63 61 6c 62 69 |     int| localbi|
|00002990| 74 73 3b 0a 20 20 20 20 | 20 20 20 20 69 6e 74 20 |ts;.    |    int |
|000029a0| 2a 69 6e 74 65 72 6c 65 | 61 76 65 74 61 62 6c 65 |*interle|avetable|
|000029b0| 3b 0a 20 20 20 20 20 20 | 20 20 72 65 67 69 73 74 |;.      |  regist|
|000029c0| 65 72 20 72 6f 77 3b 0a | 20 20 20 20 20 20 20 20 |er row;.|        |
|000029d0| 72 65 67 69 73 74 65 72 | 20 69 3b 0a 0a 20 20 20 |register| i;..   |
|000029e0| 20 20 20 20 20 66 72 65 | 61 64 28 62 75 66 2c 31 |     fre|ad(buf,1|
|000029f0| 2c 39 2c 69 6e 66 69 6c | 65 29 3b 0a 20 20 20 20 |,9,infil|e);.    |
|00002a00| 20 20 20 20 6c 65 66 74 | 20 3d 20 62 75 66 5b 30 |    left| = buf[0|
|00002a10| 5d 20 2b 20 28 62 75 66 | 5b 31 5d 20 3c 3c 20 38 |] + (buf|[1] << 8|
|00002a20| 29 3b 0a 20 20 20 20 20 | 20 20 20 74 6f 70 20 3d |);.     |   top =|
|00002a30| 20 62 75 66 5b 32 5d 20 | 2b 20 28 62 75 66 5b 33 | buf[2] |+ (buf[3|
|00002a40| 5d 20 3c 3c 20 38 29 3b | 0a 20 20 20 20 20 20 20 |] << 8);|.       |
|00002a50| 20 77 69 64 74 68 20 3d | 20 62 75 66 5b 34 5d 20 | width =| buf[4] |
|00002a60| 2b 20 28 62 75 66 5b 35 | 5d 20 3c 3c 20 38 29 3b |+ (buf[5|] << 8);|
|00002a70| 0a 20 20 20 20 20 20 20 | 20 68 65 69 67 68 74 20 |.       | height |
|00002a80| 3d 20 62 75 66 5b 36 5d | 20 2b 20 28 62 75 66 5b |= buf[6]| + (buf[|
|00002a90| 37 5d 20 3c 3c 20 38 29 | 3b 0a 20 20 20 20 20 20 |7] << 8)|;.      |
|00002aa0| 20 20 6c 6f 63 61 6c 20 | 3d 20 62 75 66 5b 38 5d |  local |= buf[8]|
|00002ab0| 20 26 20 30 78 38 30 3b | 0a 20 20 20 20 20 20 20 | & 0x80;|.       |
|00002ac0| 20 69 6e 74 65 72 6c 65 | 61 76 65 64 20 3d 20 62 | interle|aved = b|
|00002ad0| 75 66 5b 38 5d 20 26 20 | 30 78 34 30 3b 0a 20 20 |uf[8] & |0x40;.  |
|00002ae0| 20 20 20 20 20 20 69 66 | 20 28 6c 6f 63 61 6c 29 |      if| (local)|
|00002af0| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 6c | {.     |       l|
|00002b00| 6f 63 61 6c 62 69 74 73 | 20 3d 20 28 62 75 66 5b |ocalbits| = (buf[|
|00002b10| 38 5d 20 26 20 30 78 37 | 29 20 2b 20 31 3b 0a 20 |8] & 0x7|) + 1;. |
|00002b20| 20 20 20 20 20 20 20 20 | 20 20 20 66 72 65 61 64 |        |   fread|
|00002b30| 28 6c 6f 63 61 6c 6d 61 | 70 2c 33 2c 31 3c 3c 6c |(localma|p,3,1<<l|
|00002b40| 6f 63 61 6c 62 69 74 73 | 2c 69 6e 66 69 6c 65 29 |ocalbits|,infile)|
|00002b50| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 69 6e |;.      |      in|
|00002b60| 69 74 63 6f 6c 6f 72 73 | 28 63 6f 6c 6f 72 74 61 |itcolors|(colorta|
|00002b70| 62 6c 65 2c 6c 6f 63 61 | 6c 6d 61 70 2c 31 3c 3c |ble,loca|lmap,1<<|
|00002b80| 6c 6f 63 61 6c 62 69 74 | 73 29 3b 0a 20 20 20 20 |localbit|s);.    |
|00002b90| 20 20 20 20 7d 20 65 6c | 73 65 20 69 66 20 28 67 |    } el|se if (g|
|00002ba0| 6c 6f 62 61 6c 29 20 7b | 0a 20 20 20 20 20 20 20 |lobal) {|.       |
|00002bb0| 20 20 20 20 20 69 6e 69 | 74 63 6f 6c 6f 72 73 28 |     ini|tcolors(|
|00002bc0| 63 6f 6c 6f 72 74 61 62 | 6c 65 2c 67 6c 6f 62 61 |colortab|le,globa|
|00002bd0| 6c 6d 61 70 2c 31 3c 3c | 67 6c 6f 62 61 6c 62 69 |lmap,1<<|globalbi|
|00002be0| 74 73 29 3b 0a 20 20 20 | 20 20 20 20 20 7d 20 65 |ts);.   |     } e|
|00002bf0| 6c 73 65 20 7b 0a 20 20 | 20 20 20 20 20 20 20 20 |lse {.  |        |
|00002c00| 20 20 66 61 74 61 6c 28 | 22 6e 6f 20 63 6f 6c 6f |  fatal(|"no colo|
|00002c10| 72 6d 61 70 20 70 72 65 | 73 65 6e 74 20 66 6f 72 |rmap pre|sent for|
|00002c20| 20 69 6d 61 67 65 22 29 | 3b 0a 20 20 20 20 20 20 | image")|;.      |
|00002c30| 20 20 7d 0a 20 20 20 20 | 20 20 20 20 77 72 69 74 |  }.    |    writ|
|00002c40| 65 68 65 61 64 65 72 28 | 6c 65 66 74 2c 74 6f 70 |eheader(|left,top|
|00002c50| 2c 77 69 64 74 68 2c 68 | 65 69 67 68 74 29 3b 0a |,width,h|eight);.|
|00002c60| 20 20 20 20 20 20 20 20 | 72 61 73 74 65 72 20 3d |        |raster =|
|00002c70| 20 28 75 6e 73 69 67 6e | 65 64 20 63 68 61 72 2a | (unsign|ed char*|
|00002c80| 29 6d 61 6c 6c 6f 63 28 | 77 69 64 74 68 2a 68 65 |)malloc(|width*he|
|00002c90| 69 67 68 74 29 3b 0a 20 | 20 20 20 20 20 20 20 69 |ight);. |       i|
|00002ca0| 66 20 28 21 72 61 73 74 | 65 72 29 20 66 61 74 61 |f (!rast|er) fata|
|00002cb0| 6c 28 22 6e 6f 74 20 65 | 6e 6f 75 67 68 20 6d 65 |l("not e|nough me|
|00002cc0| 6d 6f 72 79 20 66 6f 72 | 20 69 6d 61 67 65 22 29 |mory for| image")|
|00002cd0| 3b 0a 20 20 20 20 20 20 | 20 20 72 65 61 64 72 61 |;.      |  readra|
|00002ce0| 73 74 65 72 28 77 69 64 | 74 68 2c 68 65 69 67 68 |ster(wid|th,heigh|
|00002cf0| 74 29 3b 0a 20 20 20 20 | 20 20 20 20 69 66 20 28 |t);.    |    if (|
|00002d00| 69 6e 74 65 72 6c 65 61 | 76 65 64 29 20 7b 0a 20 |interlea|ved) {. |
|00002d10| 20 20 20 20 20 20 20 20 | 20 20 20 69 6e 74 65 72 |        |   inter|
|00002d20| 6c 65 61 76 65 74 61 62 | 6c 65 20 3d 20 28 69 6e |leavetab|le = (in|
|00002d30| 74 2a 29 6d 61 6c 6c 6f | 63 28 68 65 69 67 68 74 |t*)mallo|c(height|
|00002d40| 2a 73 69 7a 65 6f 66 28 | 69 6e 74 29 29 3b 0a 20 |*sizeof(|int));. |
|00002d50| 20 20 20 20 20 20 20 20 | 20 20 20 69 66 20 28 21 |        |   if (!|
|00002d60| 69 6e 74 65 72 6c 65 61 | 76 65 74 61 62 6c 65 29 |interlea|vetable)|
|00002d70| 20 66 61 74 61 6c 28 22 | 6e 6f 74 20 65 6e 6f 75 | fatal("|not enou|
|00002d80| 67 68 20 6d 65 6d 6f 72 | 79 20 66 6f 72 20 69 6e |gh memor|y for in|
|00002d90| 74 65 72 6c 65 61 76 65 | 20 74 61 62 6c 65 22 29 |terleave| table")|
|00002da0| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 72 6f |;.      |      ro|
|00002db0| 77 20 3d 20 30 3b 0a 20 | 20 20 20 20 20 20 20 20 |w = 0;. |        |
|00002dc0| 20 20 20 66 6f 72 20 28 | 69 20 3d 20 74 6f 70 3b |   for (|i = top;|
|00002dd0| 20 69 20 3c 20 74 6f 70 | 2b 68 65 69 67 68 74 3b | i < top|+height;|
|00002de0| 20 69 20 2b 3d 20 38 29 | 20 69 6e 74 65 72 6c 65 | i += 8)| interle|
|00002df0| 61 76 65 74 61 62 6c 65 | 5b 69 5d 20 3d 20 72 6f |avetable|[i] = ro|
|00002e00| 77 2b 2b 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |w++;.   |        |
|00002e10| 20 66 6f 72 20 28 69 20 | 3d 20 74 6f 70 2b 34 3b | for (i |= top+4;|
|00002e20| 20 69 20 3c 20 74 6f 70 | 2b 68 65 69 67 68 74 3b | i < top|+height;|
|00002e30| 20 69 20 2b 3d 20 38 29 | 20 69 6e 74 65 72 6c 65 | i += 8)| interle|
|00002e40| 61 76 65 74 61 62 6c 65 | 5b 69 5d 20 3d 20 72 6f |avetable|[i] = ro|
|00002e50| 77 2b 2b 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |w++;.   |        |
|00002e60| 20 66 6f 72 20 28 69 20 | 3d 20 74 6f 70 2b 32 3b | for (i |= top+2;|
|00002e70| 20 69 20 3c 20 74 6f 70 | 2b 68 65 69 67 68 74 3b | i < top|+height;|
|00002e80| 20 69 20 2b 3d 20 34 29 | 20 69 6e 74 65 72 6c 65 | i += 4)| interle|
|00002e90| 61 76 65 74 61 62 6c 65 | 5b 69 5d 20 3d 20 72 6f |avetable|[i] = ro|
|00002ea0| 77 2b 2b 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |w++;.   |        |
|00002eb0| 20 66 6f 72 20 28 69 20 | 3d 20 74 6f 70 2b 31 3b | for (i |= top+1;|
|00002ec0| 20 69 20 3c 20 74 6f 70 | 2b 68 65 69 67 68 74 3b | i < top|+height;|
|00002ed0| 20 69 20 2b 3d 20 32 29 | 20 69 6e 74 65 72 6c 65 | i += 2)| interle|
|00002ee0| 61 76 65 74 61 62 6c 65 | 5b 69 5d 20 3d 20 72 6f |avetable|[i] = ro|
|00002ef0| 77 2b 2b 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |w++;.   |        |
|00002f00| 20 66 6f 72 20 28 72 6f | 77 20 3d 20 74 6f 70 3b | for (ro|w = top;|
|00002f10| 20 72 6f 77 20 3c 20 74 | 6f 70 2b 68 65 69 67 68 | row < t|op+heigh|
|00002f20| 74 3b 20 72 6f 77 2b 2b | 29 20 72 61 73 74 65 72 |t; row++|) raster|
|00002f30| 69 7a 65 28 69 6e 74 65 | 72 6c 65 61 76 65 74 61 |ize(inte|rleaveta|
|00002f40| 62 6c 65 5b 72 6f 77 5d | 2c 77 69 64 74 68 29 3b |ble[row]|,width);|
|00002f50| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 66 72 65 |.       |     fre|
|00002f60| 65 28 69 6e 74 65 72 6c | 65 61 76 65 74 61 62 6c |e(interl|eavetabl|
|00002f70| 65 29 3b 0a 20 20 20 20 | 20 20 20 20 7d 20 65 6c |e);.    |    } el|
|00002f80| 73 65 20 7b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |se {.   |        |
|00002f90| 20 66 6f 72 20 28 72 6f | 77 20 3d 20 74 6f 70 3b | for (ro|w = top;|
|00002fa0| 20 72 6f 77 20 3c 20 74 | 6f 70 2b 68 65 69 67 68 | row < t|op+heigh|
|00002fb0| 74 3b 20 72 6f 77 2b 2b | 29 20 72 61 73 74 65 72 |t; row++|) raster|
|00002fc0| 69 7a 65 28 72 6f 77 2c | 77 69 64 74 68 29 3b 0a |ize(row,|width);.|
|00002fd0| 20 20 20 20 20 20 20 20 | 7d 0a 20 20 20 20 20 20 |        |}.      |
|00002fe0| 20 20 66 72 65 65 28 72 | 61 73 74 65 72 29 3b 0a |  free(r|aster);.|
|00002ff0| 20 20 20 20 20 20 20 20 | 77 72 69 74 65 74 72 61 |        |writetra|
|00003000| 69 6c 65 72 28 29 3b 0a | 7d 0a 0a 2f 2a 20 52 65 |iler();.|}../* Re|
|00003010| 61 64 20 61 20 47 49 46 | 20 65 78 74 65 6e 73 69 |ad a GIF| extensi|
|00003020| 6f 6e 20 62 6c 6f 63 6b | 20 28 61 6e 64 20 64 6f |on block| (and do|
|00003030| 20 6e 6f 74 68 69 6e 67 | 20 77 69 74 68 20 69 74 | nothing| with it|
|00003040| 29 2e 20 2a 2f 0a 0a 76 | 6f 69 64 20 72 65 61 64 |). */..v|oid read|
|00003050| 65 78 74 65 6e 73 69 6f | 6e 28 29 0a 7b 0a 20 20 |extensio|n().{.  |
|00003060| 20 20 20 20 20 20 75 6e | 73 69 67 6e 65 64 20 63 |      un|signed c|
|00003070| 68 61 72 20 63 6f 64 65 | 2c 63 6f 75 6e 74 3b 0a |har code|,count;.|
|00003080| 20 20 20 20 20 20 20 20 | 63 68 61 72 20 62 75 66 |        |char buf|
|00003090| 5b 32 35 35 5d 3b 0a 0a | 20 20 20 20 20 20 20 20 |[255];..|        |
|000030a0| 63 6f 64 65 20 3d 20 67 | 65 74 63 28 69 6e 66 69 |code = g|etc(infi|
|000030b0| 6c 65 29 3b 0a 20 20 20 | 20 20 20 20 20 77 68 69 |le);.   |     whi|
|000030c0| 6c 65 20 28 63 6f 75 6e | 74 20 3d 20 67 65 74 63 |le (coun|t = getc|
|000030d0| 28 69 6e 66 69 6c 65 29 | 29 20 66 72 65 61 64 28 |(infile)|) fread(|
|000030e0| 62 75 66 2c 31 2c 63 6f | 75 6e 74 2c 69 6e 66 69 |buf,1,co|unt,infi|
|000030f0| 6c 65 29 3b 0a 7d 0a 0a | 6d 61 69 6e 28 61 72 67 |le);.}..|main(arg|
|00003100| 63 2c 61 72 67 76 29 0a | 69 6e 74 20 61 72 67 63 |c,argv).|int argc|
|00003110| 3b 0a 63 68 61 72 20 2a | 61 72 67 76 5b 5d 3b 0a |;.char *|argv[];.|
|00003120| 7b 0a 20 20 20 20 20 20 | 20 20 69 6e 74 20 71 75 |{.      |  int qu|
|00003130| 69 74 20 3d 20 46 41 4c | 53 45 3b 0a 20 20 20 20 |it = FAL|SE;.    |
|00003140| 20 20 20 20 63 68 61 72 | 20 63 68 3b 0a 0a 20 20 |    char| ch;..  |
|00003150| 20 20 20 20 20 20 69 66 | 20 28 61 72 67 63 20 21 |      if| (argc !|
|00003160| 3d 20 32 29 20 75 73 61 | 67 65 28 29 3b 0a 20 20 |= 2) usa|ge();.  |
|00003170| 20 20 20 20 20 20 69 6e | 66 69 6c 65 20 3d 20 66 |      in|file = f|
|00003180| 6f 70 65 6e 28 61 72 67 | 76 5b 31 5d 2c 22 72 22 |open(arg|v[1],"r"|
|00003190| 29 3b 0a 20 20 20 20 20 | 20 20 20 69 66 20 28 21 |);.     |   if (!|
|000031a0| 69 6e 66 69 6c 65 29 20 | 7b 0a 20 20 20 20 20 20 |infile) |{.      |
|000031b0| 20 20 20 20 20 20 70 65 | 72 72 6f 72 28 22 67 69 |      pe|rror("gi|
|000031c0| 66 74 6f 70 73 22 29 3b | 0a 20 20 20 20 20 20 20 |ftops");|.       |
|000031d0| 20 20 20 20 20 65 78 69 | 74 28 2d 31 29 3b 0a 20 |     exi|t(-1);. |
|000031e0| 20 20 20 20 20 20 20 7d | 0a 20 20 20 20 20 20 20 |       }|.       |
|000031f0| 20 63 68 65 63 6b 73 69 | 67 6e 61 74 75 72 65 28 | checksi|gnature(|
|00003200| 29 3b 0a 20 20 20 20 20 | 20 20 20 72 65 61 64 73 |);.     |   reads|
|00003210| 63 72 65 65 6e 28 29 3b | 0a 20 20 20 20 20 20 20 |creen();|.       |
|00003220| 20 64 6f 20 7b 0a 20 20 | 20 20 20 20 20 20 20 20 | do {.  |        |
|00003230| 20 20 63 68 20 3d 20 67 | 65 74 63 28 69 6e 66 69 |  ch = g|etc(infi|
|00003240| 6c 65 29 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |le);.   |        |
|00003250| 20 73 77 69 74 63 68 20 | 28 63 68 29 20 7b 0a 20 | switch |(ch) {. |
|00003260| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 63 |        |       c|
|00003270| 61 73 65 20 27 5c 30 27 | 3a 20 20 62 72 65 61 6b |ase '\0'|:  break|
|00003280| 3b 20 20 2f 2a 20 74 68 | 69 73 20 6b 6c 75 64 67 |;  /* th|is kludg|
|00003290| 65 20 66 6f 72 20 6e 6f | 6e 2d 73 74 61 6e 64 61 |e for no|n-standa|
|000032a0| 72 64 20 66 69 6c 65 73 | 20 2a 2f 0a 20 20 20 20 |rd files| */.    |
|000032b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 63 61 73 65 |        |    case|
|000032c0| 20 27 2c 27 3a 20 20 20 | 72 65 61 64 69 6d 61 67 | ',':   |readimag|
|000032d0| 65 28 29 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |e();.   |        |
|000032e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000032f0| 20 62 72 65 61 6b 3b 0a | 20 20 20 20 20 20 20 20 | break;.|        |
|00003300| 20 20 20 20 20 20 20 20 | 63 61 73 65 20 27 3b 27 |        |case ';'|
|00003310| 3a 20 20 20 71 75 69 74 | 20 3d 20 54 52 55 45 3b |:   quit| = TRUE;|
|00003320| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00003330| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 62 72 65 |        |     bre|
|00003340| 61 6b 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |ak;.    |        |
|00003350| 20 20 20 20 63 61 73 65 | 20 27 21 27 3a 20 20 20 |    case| '!':   |
|00003360| 72 65 61 64 65 78 74 65 | 6e 73 69 6f 6e 28 29 3b |readexte|nsion();|
|00003370| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00003380| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 62 72 65 |        |     bre|
|00003390| 61 6b 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |ak;.    |        |
|000033a0| 20 20 20 20 64 65 66 61 | 75 6c 74 3a 20 20 20 20 |    defa|ult:    |
|000033b0| 66 61 74 61 6c 28 22 69 | 6c 6c 65 67 61 6c 20 47 |fatal("i|llegal G|
|000033c0| 49 46 20 62 6c 6f 63 6b | 20 74 79 70 65 22 29 3b |IF block| type");|
|000033d0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|000033e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 62 72 65 |        |     bre|
|000033f0| 61 6b 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |ak;.    |        |
|00003400| 7d 0a 20 20 20 20 20 20 | 20 20 7d 20 77 68 69 6c |}.      |  } whil|
|00003410| 65 20 28 21 71 75 69 74 | 29 3b 0a 7d 0a 65 6d 61 |e (!quit|);.}.ema|
|00003420| 73 6b 20 2b 3d 20 61 76 | 61 69 6c 3b 0a 20 20 20 |sk += av|ail;.   |
|00003430| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 7d 0a 20 |        |     }. |
|00003440| 20 20 20 20 20 20 20 20 | 20 20 20 7d 0a 20 20 20 |        |   }.   |
|00003450| 20 20 20 20 20 20 20 20 | 20 6f 6c 64 63 6f 64 65 |        | oldcode|
|00003460| 20 3d 20 63 6f 64 65 3b | 0a 20 20 20 20 20 20 20 | = code;|.       |
|00003470| 20 7d 20 65 6c 73 65 20 | 69 66 20 28 63 6f 64 65 | } else |if (code|
|00003480| 20 3d 3d 20 61 76 61 69 | 6c 20 26 26 20 6f 6c 64 | == avai|l && old|
|00003490| 63 6f 64 65 20 21 3d 20 | 2d 31 29 20 7b 0a 20 20 |code != |-1) {.  |
|000034a0| 20 20 20 20 20 20 20 20 | 20 20 70 20 3d 20 26 63 |        |  p = &c|
|000034b0| 6f 64 65 74 61 62 6c 65 | 5b 61 76 61 69 6c 2b 2b |odetable|[avail++|
|000034c0| 5d 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 70 |];.     |       p|
|000034d0| 2d 3e 70 72 65 66 69 78 | 20 3d 20 26 63 6f 64 65 |->prefix| = &code|
|000034e0| 74 61 62 6c 65 5b 6f 6c | 64 63 6f 64 65 5d 3b 0a |table[ol|dcode];.|
|000034f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 70 2d 3e 66 |        |    p->f|
|00003500| 69 72 73 74 20 3d 20 70 | 2d 3e 70 72 65 66 69 78 |irst = p|->prefix|
|00003510| 2d 3e 66 69 72 73 74 3b | 0a 20 20 20 20 20 20 20 |->first;|.       |
|00003520| 20 20 20 20 20 70 2d 3e | 73 75 66 66 69 78 20 3d |     p->|suffix =|
|00003530| 20 70 2d 3e 66 69 72 73 | 74 3b 0a 20 20 20 20 20 | p->firs|t;.     |
|00003540| 20 20 20 20 20 20 20 6f | 75 74 63 6f 64 65 28 70 |       o|utcode(p|
|00003550| 2c 66 69 6c 6c 29 3b 0a | 20 20 20 20 20 20 20 20 |,fill);.|        |
|00003560| 20 20 20 20 69 66 20 28 | 28 61 76 61 69 6c 20 26 |    if (|(avail &|
|00003570| 20 63 6f 64 65 6d 61 73 | 6b 29 20 3d 3d 20 30 20 | codemas|k) == 0 |
|00003580| 26 26 20 61 76 61 69 6c | 20 3c 20 34 30 39 36 29 |&& avail| < 4096)|
|00003590| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.     |        |
|000035a0| 20 20 20 63 6f 64 65 73 | 69 7a 65 2b 2b 3b 0a 20 |   codes|ize++;. |
|000035b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 63 |        |       c|
|000035c0| 6f 64 65 6d 61 73 6b 20 | 2b 3d 20 61 76 61 69 6c |odemask |+= avail|
|000035d0| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 7d 0a |;.      |      }.|
|000035e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 6f 6c 64 63 |        |    oldc|
|000035f0| 6f 64 65 20 3d 20 63 6f | 64 65 3b 0a 20 20 20 20 |ode = co|de;.    |
|00003600| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003610| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003620| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003630| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003640| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003650| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003660| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003670| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003680| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003690| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003700| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003710| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003720| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003800| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003810| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003820| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003830| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003840| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003850| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003860| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003870| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003880| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003890| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000038a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000038b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000038c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000038d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000038e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000038f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003900| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003920| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003930| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003940| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003970| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003980| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003990| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000039a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000039b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000039c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000039d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000039e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000039f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003a00| 64 65 20 74 6f 20 74 68 | 65 20 72 61 73 74 65 72 |de to th|e raster|
|00003a10| 20 61 72 72 61 79 20 2a | 2f 0a 0a 76 6f 69 64 20 | array *|/..void |
|00003a20| 6f 75 74 63 6f 64 65 28 | 70 2c 66 69 6c 6c 29 0a |outcode(|p,fill).|
|00003a30| 72 65 67 69 73 74 65 72 | 20 63 6f 64 65 74 79 70 |register| codetyp|
|00003a40| 65 20 2a 70 3b 0a 72 65 | 67 69 73 74 65 72 20 75 |e *p;.re|gister u|
|00003a50| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 2a 66 |nsigned |char **f|
|00003a60| 69 6c 6c 3b 0a 7b 0a 20 | 20 20 20 20 20 20 20 69 |ill;.{. |       i|
|00003a70| 66 20 28 70 2d 3e 70 72 | 65 66 69 78 29 20 6f 75 |f (p->pr|efix) ou|
|00003a80| 74 63 6f 64 65 28 70 2d | 3e 70 72 65 66 69 78 2c |tcode(p-|>prefix,|
|00003a90| 66 69 6c 6c 29 3b 0a 20 | 20 20 20 20 20 20 20 2a |fill);. |       *|
|00003aa0| 28 2a 66 69 6c 6c 29 2b | 2b 20 3d 20 70 2d 3e 73 |(*fill)+|+ = p->s|
|00003ab0| 75 66 66 69 78 3b 0a 7d | 0a 0a 2f 2a 20 50 72 6f |uffix;.}|../* Pro|
|00003ac0| 63 65 73 73 20 61 20 63 | 6f 6d 70 72 65 73 73 69 |cess a c|ompressi|
|00003ad0| 6f 6e 20 63 6f 64 65 2e | 20 20 22 63 6c 65 61 72 |on code.|  "clear|
|00003ae0| 22 20 72 65 73 65 74 73 | 20 74 68 65 20 63 6f 64 |" resets| the cod|
|00003af0| 65 20 74 61 62 6c 65 2e | 20 20 4f 74 68 65 72 77 |e table.|  Otherw|
|00003b00| 69 73 65 0a 20 20 20 6d | 61 6b 65 20 61 20 6e 65 |ise.   m|ake a ne|
|00003b10| 77 20 63 6f 64 65 20 74 | 61 62 6c 65 20 65 6e 74 |w code t|able ent|
|00003b20| 72 79 2c 20 61 6e 64 20 | 6f 75 74 70 75 74 20 74 |ry, and |output t|
|00003b30| 68 65 20 62 79 74 65 73 | 20 61 73 73 6f 63 69 61 |he bytes| associa|
|00003b40| 74 65 64 20 77 69 74 68 | 20 74 68 65 0a 20 20 20 |ted with| the.   |
|00003b50| 63 6f 64 65 2e 20 2a 2f | 0a 0a 76 6f 69 64 20 70 |code. */|..void p|
|00003b60| 72 6f 63 65 73 73 28 63 | 6f 64 65 2c 66 69 6c 6c |rocess(c|ode,fill|
|00003b70| 29 0a 72 65 67 69 73 74 | 65 72 20 63 6f 64 65 3b |).regist|er code;|
|00003b80| 0a 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 20 2a |.unsigne|d char *|
|00003b90| 2a 66 69 6c 6c 3b 0a 7b | 0a 20 20 20 20 20 20 20 |*fill;.{|.       |
|00003ba0| 20 73 74 61 74 69 63 20 | 61 76 61 69 6c 2c 6f 6c | static |avail,ol|
|00003bb0| 64 63 6f 64 65 3b 0a 20 | 20 20 20 20 20 20 20 72 |dcode;. |       r|
|00003bc0| 65 67 69 73 74 65 72 20 | 63 6f 64 65 74 79 70 65 |egister |codetype|
|00003bd0| 20 2a 70 3b 0a 0a 20 20 | 20 20 20 20 20 20 69 66 | *p;..  |      if|
|00003be0| 20 28 63 6f 64 65 20 3d | 3d 20 63 6c 65 61 72 29 | (code =|= clear)|
|00003bf0| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 63 | {.     |       c|
|00003c00| 6f 64 65 73 69 7a 65 20 | 3d 20 64 61 74 61 73 69 |odesize |= datasi|
|00003c10| 7a 65 20 2b 20 31 3b 0a | 20 20 20 20 20 20 20 20 |ze + 1;.|        |
|00003c20| 20 20 20 20 63 6f 64 65 | 6d 61 73 6b 20 3d 20 28 |    code|mask = (|
|00003c30| 31 20 3c 3c 20 63 6f 64 | 65 73 69 7a 65 29 20 2d |1 << cod|esize) -|
|00003c40| 20 31 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 | 1;.    |        |
|00003c50| 61 76 61 69 6c 20 3d 20 | 63 6c 65 61 72 20 2b 20 |avail = |clear + |
|00003c60| 32 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 6f |2;.     |       o|
|00003c70| 6c 64 63 6f 64 65 20 3d | 20 2d 31 3b 0a 20 20 20 |ldcode =| -1;.   |
|00003c80| 20 20 20 20 20 7d 20 65 | 6c 73 65 20 69 66 20 28 |     } e|lse if (|
|00003c90| 63 6f 64 65 20 3c 20 61 | 76 61 69 6c 29 20 7b 0a |code < a|vail) {.|
|00003ca0| 20 20 20 20 20 20 20 20 | 20 20 20 20 6f 75 74 63 |        |    outc|
|00003cb0| 6f 64 65 28 26 63 6f 64 | 65 74 61 62 6c 65 5b 63 |ode(&cod|etable[c|
|00003cc0| 6f 64 65 5d 2c 66 69 6c | 6c 29 3b 0a 20 20 20 20 |ode],fil|l);.    |
|00003cd0| 20 20 20 20 20 20 20 20 | 69 66 20 28 6f 6c 64 63 |        |if (oldc|
|00003ce0| 6f 64 65 20 21 3d 20 2d | 31 29 20 7b 0a 20 20 20 |ode != -|1) {.   |
|00003cf0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 70 20 3d |        |     p =|
|00003d00| 20 26 63 6f 64 65 74 61 | 62 6c 65 5b 61 76 61 69 | &codeta|ble[avai|
|00003d10| 6c 2b 2b 5d 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |l++];.  |        |
|00003d20| 20 20 20 20 20 20 70 2d | 3e 70 72 65 66 69 78 20 |      p-|>prefix |
|00003d30| 3d 20 26 63 6f 64 65 74 | 61 62 6c 65 5b 6f 6c 64 |= &codet|able[old|
|00003d40| 63 6f 64 65 5d 3b 0a 20 | 20 20 20 20 20 20 20 20 |code];. |        |
|00003d50| 20 20 20 20 20 20 20 70 | 2d 3e 66 69 72 73 74 20 |       p|->first |
|00003d60| 3d 20 70 2d 3e 70 72 65 | 66 69 78 2d 3e 66 69 72 |= p->pre|fix->fir|
|00003d70| 73 74 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |st;.    |        |
|00003d80| 20 20 20 20 70 2d 3e 73 | 75 66 66 69 78 20 3d 20 |    p->s|uffix = |
|00003d90| 63 6f 64 65 74 61 62 6c | 65 5b 63 6f 64 65 5d 2e |codetabl|e[code].|
|00003da0| 66 69 72 73 74 3b 0a 20 | 20 20 20 20 20 20 20 20 |first;. |        |
|00003db0| 20 20 20 20 20 20 20 69 | 66 20 28 28 61 76 61 69 |       i|f ((avai|
|00003dc0| 6c 20 26 20 63 6f 64 65 | 6d 61 73 6b 29 20 3d 3d |l & code|mask) ==|
|00003dd0| 20 30 20 26 26 20 61 76 | 61 69 6c 20 3c 20 34 30 | 0 && av|ail < 40|
|00003de0| 39 36 29 20 7b 0a 20 20 | 20 20 20 20 20 20 20 20 |96) {.  |        |
|00003df0| 20 20 20 20 20 20 20 20 | 20 20 63 6f 64 65 73 69 |        |  codesi|
|00003e00| 7a 65 2b 2b 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |ze++;.  |        |
|00003e10| 20 20 20 20 20 20 20 20 | 20 20 63 6f 64 65 6d 61 |        |  codema|
|00003e20| 73 6b 20 2b 3d 20 61 76 | 61 69 6c 3b 0a 20 20 20 |sk += av|ail;.   |
|00003e30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 7d 0a 20 |        |     }. |
|00003e40| 20 20 20 20 20 20 20 20 | 20 20 20 7d 0a 20 20 20 |        |   }.   |
|00003e50| 20 20 20 20 20 20 20 20 | 20 6f 6c 64 63 6f 64 65 |        | oldcode|
|00003e60| 20 3d 20 63 6f 64 65 3b | 0a 20 20 20 20 20 20 20 | = code;|.       |
|00003e70| 20 7d 20 65 6c 73 65 20 | 69 66 20 28 63 6f 64 65 | } else |if (code|
|00003e80| 20 3d 3d 20 61 76 61 69 | 6c 20 26 26 20 6f 6c 64 | == avai|l && old|
|00003e90| 63 6f 64 65 20 21 3d 20 | 2d 31 29 20 7b 0a 20 20 |code != |-1) {.  |
|00003ea0| 20 20 20 20 20 20 20 20 | 20 20 70 20 3d 20 26 63 |        |  p = &c|
|00003eb0| 6f 64 65 74 61 62 6c 65 | 5b 61 76 61 69 6c 2b 2b |odetable|[avail++|
|00003ec0| 5d 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 70 |];.     |       p|
|00003ed0| 2d 3e 70 72 65 66 69 78 | 20 3d 20 26 63 6f 64 65 |->prefix| = &code|
|00003ee0| 74 61 62 6c 65 5b 6f 6c | 64 63 6f 64 65 5d 3b 0a |table[ol|dcode];.|
|00003ef0| 20 20 20 20 20 20 20 20 | 20 20 20 20 70 2d 3e 66 |        |    p->f|
|00003f00| 69 72 73 74 20 3d 20 70 | 2d 3e 70 72 65 66 69 78 |irst = p|->prefix|
|00003f10| 2d 3e 66 69 72 73 74 3b | 0a 20 20 20 20 20 20 20 |->first;|.       |
|00003f20| 20 20 20 20 20 70 2d 3e | 73 75 66 66 69 78 20 3d |     p->|suffix =|
|00003f30| 20 70 2d 3e 66 69 72 73 | 74 3b 0a 20 20 20 20 20 | p->firs|t;.     |
|00003f40| 20 20 20 20 20 20 20 6f | 75 74 63 6f 64 65 28 70 |       o|utcode(p|
|00003f50| 2c 66 69 6c 6c 29 3b 0a | 20 20 20 20 20 20 20 20 |,fill);.|        |
|00003f60| 20 20 20 20 69 66 20 28 | 28 61 76 61 69 6c 20 26 |    if (|(avail &|
|00003f70| 20 63 6f 64 65 6d 61 73 | 6b 29 20 3d 3d 20 30 20 | codemas|k) == 0 |
|00003f80| 26 26 20 61 76 61 69 6c | 20 3c 20 34 30 39 36 29 |&& avail| < 4096)|
|00003f90| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.     |        |
|00003fa0| 20 20 20 63 6f 64 65 73 | 69 7a 65 2b 2b 3b 0a 20 |   codes|ize++;. |
|00003fb0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 63 |        |       c|
|00003fc0| 6f 64 65 6d 61 73 6b 20 | 2b 3d 20 61 76 61 69 6c |odemask |+= avail|
|00003fd0| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 7d 0a |;.      |      }.|
|00003fe0| 20 20 20 20 20 20 20 20 | 20 20 20 20 6f 6c 64 63 |        |    oldc|
|00003ff0| 6f 64 65 20 3d 20 63 6f | 64 65 3b 0a 20 20 20 20 |ode = co|de;.    |
+--------+-------------------------+-------------------------+--------+--------+