/ Usenet 1994 January / usenetsourcesnewsgroupsinfomagicjanuary1994.iso / sources / misc / volume33 / problem1.1 / part06

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 4e 65 77 73 67 72 6f 75 | 70 73 3a 20 63 6f 6d 70 |Newsgrou|ps: comp|
|00000010| 2e 73 6f 75 72 63 65 73 | 2e 6d 69 73 63 0a 46 72 |.sources|.misc.Fr|
|00000020| 6f 6d 3a 20 6c 69 6a 65 | 77 73 6b 69 40 72 6f 73 |om: lije|wski@ros|
|00000030| 73 65 72 76 2e 67 73 66 | 63 2e 6e 61 73 61 2e 67 |serv.gsf|c.nasa.g|
|00000040| 6f 76 20 28 4d 69 6b 65 | 20 4c 69 6a 65 77 73 6b |ov (Mike| Lijewsk|
|00000050| 69 29 0a 53 75 62 6a 65 | 63 74 3a 20 20 76 33 33 |i).Subje|ct:  v33|
|00000060| 69 30 37 37 3a 20 20 70 | 72 6f 62 6c 65 6d 31 2e |i077:  p|roblem1.|
|00000070| 31 20 2d 20 41 20 50 72 | 6f 62 6c 65 6d 20 44 61 |1 - A Pr|oblem Da|
|00000080| 74 61 62 61 73 65 20 4d | 61 6e 61 67 65 72 2c 20 |tabase M|anager, |
|00000090| 50 61 72 74 30 36 2f 30 | 37 0a 4d 65 73 73 61 67 |Part06/0|7.Messag|
|000000a0| 65 2d 49 44 3a 20 3c 31 | 39 39 32 4e 6f 76 31 32 |e-ID: <1|992Nov12|
|000000b0| 2e 31 39 35 36 30 32 2e | 32 39 32 32 36 40 73 70 |.195602.|29226@sp|
|000000c0| 61 72 6b 79 2e 69 6d 64 | 2e 73 74 65 72 6c 69 6e |arky.imd|.sterlin|
|000000d0| 67 2e 63 6f 6d 3e 0a 58 | 2d 4d 64 34 2d 53 69 67 |g.com>.X|-Md4-Sig|
|000000e0| 6e 61 74 75 72 65 3a 20 | 35 63 65 66 64 35 37 32 |nature: |5cefd572|
|000000f0| 61 66 65 63 64 33 35 32 | 39 39 30 32 31 61 33 66 |afecd352|99021a3f|
|00000100| 38 63 32 38 31 30 37 64 | 0a 44 61 74 65 3a 20 54 |8c28107d|.Date: T|
|00000110| 68 75 2c 20 31 32 20 4e | 6f 76 20 31 39 39 32 20 |hu, 12 N|ov 1992 |
|00000120| 31 39 3a 35 36 3a 30 32 | 20 47 4d 54 0a 41 70 70 |19:56:02| GMT.App|
|00000130| 72 6f 76 65 64 3a 20 6b | 65 6e 74 40 73 70 61 72 |roved: k|ent@spar|
|00000140| 6b 79 2e 69 6d 64 2e 73 | 74 65 72 6c 69 6e 67 2e |ky.imd.s|terling.|
|00000150| 63 6f 6d 0a 0a 53 75 62 | 6d 69 74 74 65 64 2d 62 |com..Sub|mitted-b|
|00000160| 79 3a 20 6c 69 6a 65 77 | 73 6b 69 40 72 6f 73 73 |y: lijew|ski@ross|
|00000170| 65 72 76 2e 67 73 66 63 | 2e 6e 61 73 61 2e 67 6f |erv.gsfc|.nasa.go|
|00000180| 76 20 28 4d 69 6b 65 20 | 4c 69 6a 65 77 73 6b 69 |v (Mike |Lijewski|
|00000190| 29 0a 50 6f 73 74 69 6e | 67 2d 6e 75 6d 62 65 72 |).Postin|g-number|
|000001a0| 3a 20 56 6f 6c 75 6d 65 | 20 33 33 2c 20 49 73 73 |: Volume| 33, Iss|
|000001b0| 75 65 20 37 37 0a 41 72 | 63 68 69 76 65 2d 6e 61 |ue 77.Ar|chive-na|
|000001c0| 6d 65 3a 20 70 72 6f 62 | 6c 65 6d 31 2e 31 2f 70 |me: prob|lem1.1/p|
|000001d0| 61 72 74 30 36 0a 45 6e | 76 69 72 6f 6e 6d 65 6e |art06.En|vironmen|
|000001e0| 74 3a 20 55 4e 49 58 2c | 20 43 2b 2b 2c 20 47 44 |t: UNIX,| C++, GD|
|000001f0| 42 4d 2c 20 54 65 72 6d | 63 61 70 0a 53 75 70 65 |BM, Term|cap.Supe|
|00000200| 72 73 65 64 65 73 3a 20 | 70 72 6f 62 6c 65 6d 3a |rsedes: |problem:|
|00000210| 20 56 6f 6c 75 6d 65 20 | 33 33 2c 20 49 73 73 75 | Volume |33, Issu|
|00000220| 65 20 32 2d 39 0a 0a 23 | 21 20 2f 62 69 6e 2f 73 |e 2-9..#|! /bin/s|
|00000230| 68 0a 23 20 54 68 69 73 | 20 69 73 20 61 20 73 68 |h.# This| is a sh|
|00000240| 65 6c 6c 20 61 72 63 68 | 69 76 65 2e 20 20 52 65 |ell arch|ive.  Re|
|00000250| 6d 6f 76 65 20 61 6e 79 | 74 68 69 6e 67 20 62 65 |move any|thing be|
|00000260| 66 6f 72 65 20 74 68 69 | 73 20 6c 69 6e 65 2c 20 |fore thi|s line, |
|00000270| 74 68 65 6e 20 75 6e 70 | 61 63 6b 0a 23 20 69 74 |then unp|ack.# it|
|00000280| 20 62 79 20 73 61 76 69 | 6e 67 20 69 74 20 69 6e | by savi|ng it in|
|00000290| 74 6f 20 61 20 66 69 6c | 65 20 61 6e 64 20 74 79 |to a fil|e and ty|
|000002a0| 70 69 6e 67 20 22 73 68 | 20 66 69 6c 65 22 2e 20 |ping "sh| file". |
|000002b0| 20 54 6f 20 6f 76 65 72 | 77 72 69 74 65 20 65 78 | To over|write ex|
|000002c0| 69 73 74 69 6e 67 0a 23 | 20 66 69 6c 65 73 2c 20 |isting.#| files, |
|000002d0| 74 79 70 65 20 22 73 68 | 20 66 69 6c 65 20 2d 63 |type "sh| file -c|
|000002e0| 22 2e 20 20 59 6f 75 20 | 63 61 6e 20 61 6c 73 6f |".  You |can also|
|000002f0| 20 66 65 65 64 20 74 68 | 69 73 20 61 73 20 73 74 | feed th|is as st|
|00000300| 61 6e 64 61 72 64 20 69 | 6e 70 75 74 20 76 69 61 |andard i|nput via|
|00000310| 0a 23 20 75 6e 73 68 61 | 72 2c 20 6f 72 20 62 79 |.# unsha|r, or by|
|00000320| 20 74 79 70 69 6e 67 20 | 22 73 68 20 3c 66 69 6c | typing |"sh <fil|
|00000330| 65 22 2c 20 65 2e 67 2e | 2e 20 20 49 66 20 74 68 |e", e.g.|.  If th|
|00000340| 69 73 20 61 72 63 68 69 | 76 65 20 69 73 20 63 6f |is archi|ve is co|
|00000350| 6d 70 6c 65 74 65 2c 20 | 79 6f 75 0a 23 20 77 69 |mplete, |you.# wi|
|00000360| 6c 6c 20 73 65 65 20 74 | 68 65 20 66 6f 6c 6c 6f |ll see t|he follo|
|00000370| 77 69 6e 67 20 6d 65 73 | 73 61 67 65 20 61 74 20 |wing mes|sage at |
|00000380| 74 68 65 20 65 6e 64 3a | 0a 23 09 09 22 45 6e 64 |the end:|.#.."End|
|00000390| 20 6f 66 20 61 72 63 68 | 69 76 65 20 36 20 28 6f | of arch|ive 6 (o|
|000003a0| 66 20 37 29 2e 22 0a 23 | 20 43 6f 6e 74 65 6e 74 |f 7).".#| Content|
|000003b0| 73 3a 20 20 70 72 6f 62 | 6c 65 6d 32 2e 43 0a 23 |s:  prob|lem2.C.#|
|000003c0| 20 57 72 61 70 70 65 64 | 20 62 79 20 6c 69 6a 65 | Wrapped| by lije|
|000003d0| 77 73 6b 69 40 78 74 65 | 73 6f 63 32 20 6f 6e 20 |wski@xte|soc2 on |
|000003e0| 57 65 64 20 4e 6f 76 20 | 31 31 20 31 36 3a 32 30 |Wed Nov |11 16:20|
|000003f0| 3a 31 32 20 31 39 39 32 | 0a 50 41 54 48 3d 2f 62 |:12 1992|.PATH=/b|
|00000400| 69 6e 3a 2f 75 73 72 2f | 62 69 6e 3a 2f 75 73 72 |in:/usr/|bin:/usr|
|00000410| 2f 75 63 62 20 3b 20 65 | 78 70 6f 72 74 20 50 41 |/ucb ; e|xport PA|
|00000420| 54 48 0a 69 66 20 74 65 | 73 74 20 2d 66 20 27 70 |TH.if te|st -f 'p|
|00000430| 72 6f 62 6c 65 6d 32 2e | 43 27 20 2d 61 20 22 24 |roblem2.|C' -a "$|
|00000440| 7b 31 7d 22 20 21 3d 20 | 22 2d 63 22 20 3b 20 74 |{1}" != |"-c" ; t|
|00000450| 68 65 6e 20 0a 20 20 65 | 63 68 6f 20 73 68 61 72 |hen .  e|cho shar|
|00000460| 3a 20 57 69 6c 6c 20 6e | 6f 74 20 63 6c 6f 62 62 |: Will n|ot clobb|
|00000470| 65 72 20 65 78 69 73 74 | 69 6e 67 20 66 69 6c 65 |er exist|ing file|
|00000480| 20 5c 22 27 70 72 6f 62 | 6c 65 6d 32 2e 43 27 5c | \"'prob|lem2.C'\|
|00000490| 22 0a 65 6c 73 65 0a 65 | 63 68 6f 20 73 68 61 72 |".else.e|cho shar|
|000004a0| 3a 20 45 78 74 72 61 63 | 74 69 6e 67 20 5c 22 27 |: Extrac|ting \"'|
|000004b0| 70 72 6f 62 6c 65 6d 32 | 2e 43 27 5c 22 20 5c 28 |problem2|.C'\" \(|
|000004c0| 34 36 30 33 30 20 63 68 | 61 72 61 63 74 65 72 73 |46030 ch|aracters|
|000004d0| 5c 29 0a 73 65 64 20 22 | 73 2f 5e 58 2f 2f 22 20 |\).sed "|s/^X//" |
|000004e0| 3e 27 70 72 6f 62 6c 65 | 6d 32 2e 43 27 20 3c 3c |>'proble|m2.C' <<|
|000004f0| 27 45 4e 44 5f 4f 46 5f | 46 49 4c 45 27 0a 58 2f |'END_OF_|FILE'.X/|
|00000500| 2a 0a 58 2a 2a 0a 58 2a | 2a 20 70 72 6f 62 6c 65 |*.X**.X*|* proble|
|00000510| 6d 20 2d 20 61 20 70 72 | 6f 62 6c 65 6d 20 64 61 |m - a pr|oblem da|
|00000520| 74 61 62 61 73 65 20 6d | 61 6e 61 67 65 72 0a 58 |tabase m|anager.X|
|00000530| 2a 2a 0a 58 2a 2a 20 57 | 72 69 74 74 65 6e 20 69 |**.X** W|ritten i|
|00000540| 6e 20 43 2b 2b 20 75 73 | 69 6e 67 20 74 68 65 20 |n C++ us|ing the |
|00000550| 74 65 72 6d 63 61 70 20 | 6c 69 62 72 61 72 79 20 |termcap |library |
|00000560| 66 6f 72 20 73 63 72 65 | 65 6e 20 6d 61 6e 61 67 |for scre|en manag|
|00000570| 65 6d 65 6e 74 0a 58 2a | 2a 20 61 6e 64 20 47 44 |ement.X*|* and GD|
|00000580| 42 4d 20 61 73 20 74 68 | 65 20 64 61 74 61 62 61 |BM as th|e databa|
|00000590| 73 65 20 6c 69 62 72 61 | 72 79 2e 0a 58 2a 2a 0a |se libra|ry..X**.|
|000005a0| 58 2a 2a 20 70 72 6f 62 | 6c 65 6d 2e 43 20 69 73 |X** prob|lem.C is|
|000005b0| 20 6d 61 64 65 20 62 79 | 20 63 61 74 69 6e 67 20 | made by| cating |
|000005c0| 74 6f 67 65 74 68 65 72 | 20 70 72 6f 62 6c 65 6d |together| problem|
|000005d0| 31 2e 43 20 61 6e 64 20 | 70 72 6f 62 6c 65 6d 32 |1.C and |problem2|
|000005e0| 2e 43 0a 58 2a 2a 0a 58 | 2a 2a 20 70 72 6f 62 6c |.C.X**.X|** probl|
|000005f0| 65 6d 32 2e 43 20 70 72 | 6f 62 6c 65 6d 32 2e 43 |em2.C pr|oblem2.C|
|00000600| 20 31 2e 33 30 20 20 20 | 44 65 6c 74 61 5c 27 64 | 1.30   |Delta\'d|
|00000610| 3a 20 31 37 3a 35 34 3a | 31 37 20 31 31 2f 39 2f |: 17:54:|17 11/9/|
|00000620| 39 32 20 20 20 4d 69 6b | 65 20 4c 69 6a 65 77 73 |92   Mik|e Lijews|
|00000630| 6b 69 2c 20 43 4e 53 46 | 0a 58 2a 2a 0a 58 2a 2a |ki, CNSF|.X**.X**|
|00000640| 20 43 6f 70 79 72 69 67 | 68 74 20 5c 28 63 5c 29 | Copyrig|ht \(c\)|
|00000650| 20 31 39 39 31 2c 20 31 | 39 39 32 20 43 6f 72 6e | 1991, 1|992 Corn|
|00000660| 65 6c 6c 20 55 6e 69 76 | 65 72 73 69 74 79 0a 58 |ell Univ|ersity.X|
|00000670| 2a 2a 20 41 6c 6c 20 72 | 69 67 68 74 73 20 72 65 |** All r|ights re|
|00000680| 73 65 72 76 65 64 2e 0a | 58 2a 2a 0a 58 2a 2a 20 |served..|X**.X** |
|00000690| 52 65 64 69 73 74 72 69 | 62 75 74 69 6f 6e 20 61 |Redistri|bution a|
|000006a0| 6e 64 20 75 73 65 20 69 | 6e 20 73 6f 75 72 63 65 |nd use i|n source|
|000006b0| 20 61 6e 64 20 62 69 6e | 61 72 79 20 66 6f 72 6d | and bin|ary form|
|000006c0| 73 20 61 72 65 20 70 65 | 72 6d 69 74 74 65 64 0a |s are pe|rmitted.|
|000006d0| 58 2a 2a 20 70 72 6f 76 | 69 64 65 64 20 74 68 61 |X** prov|ided tha|
|000006e0| 74 3a 20 5c 28 31 5c 29 | 20 73 6f 75 72 63 65 20 |t: \(1\)| source |
|000006f0| 64 69 73 74 72 69 62 75 | 74 69 6f 6e 73 20 72 65 |distribu|tions re|
|00000700| 74 61 69 6e 20 74 68 69 | 73 20 65 6e 74 69 72 65 |tain thi|s entire|
|00000710| 20 63 6f 70 79 72 69 67 | 68 74 0a 58 2a 2a 20 6e | copyrig|ht.X** n|
|00000720| 6f 74 69 63 65 20 61 6e | 64 20 63 6f 6d 6d 65 6e |otice an|d commen|
|00000730| 74 2c 20 61 6e 64 20 5c | 28 32 5c 29 20 64 69 73 |t, and \|(2\) dis|
|00000740| 74 72 69 62 75 74 69 6f | 6e 73 20 69 6e 63 6c 75 |tributio|ns inclu|
|00000750| 64 69 6e 67 20 62 69 6e | 61 72 69 65 73 20 64 69 |ding bin|aries di|
|00000760| 73 70 6c 61 79 0a 58 2a | 2a 20 74 68 65 20 66 6f |splay.X*|* the fo|
|00000770| 6c 6c 6f 77 69 6e 67 20 | 61 63 6b 6e 6f 77 6c 65 |llowing |acknowle|
|00000780| 64 67 65 6d 65 6e 74 3a | 20 20 60 60 54 68 69 73 |dgement:|  ``This|
|00000790| 20 70 72 6f 64 75 63 74 | 20 69 6e 63 6c 75 64 65 | product| include|
|000007a0| 73 20 73 6f 66 74 77 61 | 72 65 0a 58 2a 2a 20 64 |s softwa|re.X** d|
|000007b0| 65 76 65 6c 6f 70 65 64 | 20 62 79 20 43 6f 72 6e |eveloped| by Corn|
|000007c0| 65 6c 6c 20 55 6e 69 76 | 65 72 73 69 74 79 5c 27 |ell Univ|ersity\'|
|000007d0| 5c 27 20 69 6e 20 74 68 | 65 20 64 6f 63 75 6d 65 |\' in th|e docume|
|000007e0| 6e 74 61 74 69 6f 6e 20 | 6f 72 20 6f 74 68 65 72 |ntation |or other|
|000007f0| 0a 58 2a 2a 20 6d 61 74 | 65 72 69 61 6c 73 20 70 |.X** mat|erials p|
|00000800| 72 6f 76 69 64 65 64 20 | 77 69 74 68 20 74 68 65 |rovided |with the|
|00000810| 20 64 69 73 74 72 69 62 | 75 74 69 6f 6e 20 61 6e | distrib|ution an|
|00000820| 64 20 69 6e 20 61 6c 6c | 20 61 64 76 65 72 74 69 |d in all| adverti|
|00000830| 73 69 6e 67 0a 58 2a 2a | 20 6d 61 74 65 72 69 61 |sing.X**| materia|
|00000840| 6c 73 20 6d 65 6e 74 69 | 6f 6e 69 6e 67 20 66 65 |ls menti|oning fe|
|00000850| 61 74 75 72 65 73 20 6f | 72 20 75 73 65 20 6f 66 |atures o|r use of|
|00000860| 20 74 68 69 73 20 73 6f | 66 74 77 61 72 65 2e 20 | this so|ftware. |
|00000870| 4e 65 69 74 68 65 72 20 | 74 68 65 0a 58 2a 2a 20 |Neither |the.X** |
|00000880| 6e 61 6d 65 20 6f 66 20 | 74 68 65 20 55 6e 69 76 |name of |the Univ|
|00000890| 65 72 73 69 74 79 20 6e | 6f 72 20 74 68 65 20 6e |ersity n|or the n|
|000008a0| 61 6d 65 73 20 6f 66 20 | 69 74 73 20 63 6f 6e 74 |ames of |its cont|
|000008b0| 72 69 62 75 74 6f 72 73 | 20 6d 61 79 20 62 65 20 |ributors| may be |
|000008c0| 75 73 65 64 0a 58 2a 2a | 20 74 6f 20 65 6e 64 6f |used.X**| to endo|
|000008d0| 72 73 65 20 6f 72 20 70 | 72 6f 6d 6f 74 65 20 70 |rse or p|romote p|
|000008e0| 72 6f 64 75 63 74 73 20 | 64 65 72 69 76 65 64 20 |roducts |derived |
|000008f0| 66 72 6f 6d 20 74 68 69 | 73 20 73 6f 66 74 77 61 |from thi|s softwa|
|00000900| 72 65 20 77 69 74 68 6f | 75 74 0a 58 2a 2a 20 73 |re witho|ut.X** s|
|00000910| 70 65 63 69 66 69 63 20 | 70 72 69 6f 72 20 77 72 |pecific |prior wr|
|00000920| 69 74 74 65 6e 20 70 65 | 72 6d 69 73 73 69 6f 6e |itten pe|rmission|
|00000930| 2e 0a 58 2a 2a 0a 58 2a | 2a 20 54 48 49 53 20 53 |..X**.X*|* THIS S|
|00000940| 4f 46 54 57 41 52 45 20 | 49 53 20 50 52 4f 56 49 |OFTWARE |IS PROVI|
|00000950| 44 45 44 20 60 60 41 53 | 20 49 53 5c 27 5c 27 20 |DED ``AS| IS\'\' |
|00000960| 41 4e 44 20 57 49 54 48 | 4f 55 54 20 41 4e 59 20 |AND WITH|OUT ANY |
|00000970| 45 58 50 52 45 53 53 20 | 4f 52 0a 58 2a 2a 20 49 |EXPRESS |OR.X** I|
|00000980| 4d 50 4c 49 45 44 20 57 | 41 52 52 41 4e 54 49 45 |MPLIED W|ARRANTIE|
|00000990| 53 2c 20 49 4e 43 4c 55 | 44 49 4e 47 2c 20 57 49 |S, INCLU|DING, WI|
|000009a0| 54 48 4f 55 54 20 4c 49 | 4d 49 54 41 54 49 4f 4e |THOUT LI|MITATION|
|000009b0| 2c 20 54 48 45 20 49 4d | 50 4c 49 45 44 0a 58 2a |, THE IM|PLIED.X*|
|000009c0| 2a 20 57 41 52 52 41 4e | 54 49 45 53 20 4f 46 20 |* WARRAN|TIES OF |
|000009d0| 4d 45 52 43 48 41 4e 54 | 41 42 49 4c 49 54 59 20 |MERCHANT|ABILITY |
|000009e0| 41 4e 44 20 46 49 54 4e | 45 53 53 20 46 4f 52 20 |AND FITN|ESS FOR |
|000009f0| 41 20 50 41 52 54 49 43 | 55 4c 41 52 20 50 55 52 |A PARTIC|ULAR PUR|
|00000a00| 50 4f 53 45 2e 0a 58 2a | 2f 0a 58 0a 58 2f 2a 0a |POSE..X*|/.X.X/*.|
|00000a10| 58 2a 2a 20 61 70 70 65 | 6e 64 5f 74 6f 5f 70 72 |X** appe|nd_to_pr|
|00000a20| 6f 62 6c 65 6d 20 2d 20 | 61 70 70 65 6e 64 20 74 |oblem - |append t|
|00000a30| 6f 20 61 6e 20 61 6c 72 | 65 61 64 79 20 65 78 69 |o an alr|eady exi|
|00000a40| 73 74 69 6e 67 20 70 72 | 6f 62 6c 65 6d 2e 20 20 |sting pr|oblem.  |
|00000a50| 52 65 74 75 72 6e 73 0a | 58 2a 2a 20 20 20 20 20 |Returns.|X**     |
|00000a60| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000a70| 66 61 6c 73 65 20 69 66 | 20 74 68 65 20 70 72 6f |false if| the pro|
|00000a80| 62 6c 65 6d 20 64 6f 65 | 73 20 6e 6f 74 20 65 78 |blem doe|s not ex|
|00000a90| 69 73 74 2e 20 20 54 68 | 69 73 20 69 6e 64 69 63 |ist.  Th|is indic|
|00000aa0| 61 74 65 73 0a 58 2a 2a | 20 20 20 20 20 20 20 20 |ates.X**|        |
|00000ab0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 74 68 61 |        |     tha|
|00000ac0| 74 20 77 65 20 64 6f 20 | 6e 6f 74 20 6e 65 65 64 |t we do |not need|
|00000ad0| 20 74 6f 20 72 65 64 69 | 73 70 6c 61 79 20 74 68 | to redi|splay th|
|00000ae0| 65 20 63 6f 6d 6d 61 6e | 64 20 6c 69 73 74 2e 0a |e comman|d list..|
|00000af0| 58 2a 2a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |X**     |        |
|00000b00| 20 20 20 20 20 20 20 20 | 52 65 74 75 72 6e 73 20 |        |Returns |
|00000b10| 74 72 75 65 20 69 66 20 | 77 65 20 6e 65 65 64 20 |true if |we need |
|00000b20| 74 6f 20 72 65 64 69 73 | 70 6c 61 79 20 74 68 65 |to redis|play the|
|00000b30| 20 63 6f 6d 6d 61 6e 64 | 0a 58 2a 2a 20 20 20 20 | command|.X**    |
|00000b40| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000b50| 20 6c 69 73 74 2e 20 20 | 49 66 20 6e 75 6d 62 65 | list.  |If numbe|
|00000b60| 72 2c 20 77 68 69 63 68 | 20 64 65 66 61 75 6c 74 |r, which| default|
|00000b70| 73 20 74 6f 20 7a 65 72 | 6f 2c 20 69 73 0a 58 2a |s to zer|o, is.X*|
|00000b80| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*       |        |
|00000b90| 20 20 20 20 20 20 6e 6f | 6e 7a 65 72 6f 2c 20 77 |      no|nzero, w|
|00000ba0| 65 20 75 73 65 20 74 68 | 61 74 20 6e 75 6d 62 65 |e use th|at numbe|
|00000bb0| 72 20 69 6e 73 74 65 61 | 64 20 6f 66 20 70 72 6f |r instea|d of pro|
|00000bc0| 6d 70 74 69 6e 67 2e 0a | 58 2a 2f 0a 58 0a 58 69 |mpting..|X*/.X.Xi|
|00000bd0| 6e 74 20 61 70 70 65 6e | 64 5f 74 6f 5f 70 72 6f |nt appen|d_to_pro|
|00000be0| 62 6c 65 6d 28 63 6f 6e | 73 74 20 63 68 61 72 20 |blem(con|st char |
|00000bf0| 2a 6e 75 6d 62 65 72 29 | 0a 58 7b 0a 58 20 20 20 |*number)|.X{.X   |
|00000c00| 20 64 61 74 75 6d 20 6b | 65 79 3b 0a 58 20 20 20 | datum k|ey;.X   |
|00000c10| 20 6b 65 79 2e 64 70 74 | 72 20 20 3d 20 6e 75 6d | key.dpt|r  = num|
|00000c20| 62 65 72 20 3f 20 28 63 | 68 61 72 20 2a 29 20 6e |ber ? (c|har *) n|
|00000c30| 75 6d 62 65 72 20 3a 20 | 70 72 6f 6d 70 74 28 22 |umber : |prompt("|
|00000c40| 50 72 6f 62 6c 65 6d 20 | 23 20 2d 2d 3e 20 22 2c |Problem |# --> ",|
|00000c50| 0a 58 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X      |        |
|00000c60| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000c70| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000c80| 20 20 20 20 72 65 64 69 | 73 70 6c 61 79 5f 63 6f |    redi|splay_co|
|00000c90| 6d 6d 61 6e 64 73 29 3b | 0a 58 20 20 20 20 6b 65 |mmands);|.X    ke|
|00000ca0| 79 2e 64 73 69 7a 65 20 | 3d 20 69 6e 74 20 28 73 |y.dsize |= int (s|
|00000cb0| 74 72 6c 65 6e 28 6b 65 | 79 2e 64 70 74 72 29 20 |trlen(ke|y.dptr) |
|00000cc0| 2b 20 31 29 3b 0a 58 20 | 20 20 20 69 66 20 28 21 |+ 1);.X |   if (!|
|00000cd0| 64 61 74 61 62 61 73 65 | 5f 65 78 69 73 74 73 28 |database|_exists(|
|00000ce0| 29 29 0a 58 20 20 20 20 | 7b 0a 58 20 20 20 20 20 |)).X    |{.X     |
|00000cf0| 20 20 20 64 69 6e 67 28 | 29 3b 0a 58 20 20 20 20 |   ding(|);.X    |
|00000d00| 20 20 20 20 6d 65 73 73 | 61 67 65 28 22 54 68 65 |    mess|age("The|
|00000d10| 72 65 20 69 73 20 6e 6f | 20 64 61 74 61 62 61 73 |re is no| databas|
|00000d20| 65 20 66 6f 72 20 70 72 | 6f 62 6c 65 6d 20 61 72 |e for pr|oblem ar|
|00000d30| 65 61 20 60 25 27 20 22 | 2c 20 43 75 72 72 65 6e |ea `%' "|, Curren|
|00000d40| 74 41 72 65 61 28 29 29 | 3b 0a 58 20 20 20 20 20 |tArea())|;.X     |
|00000d50| 20 20 20 69 66 20 28 21 | 6e 75 6d 62 65 72 29 0a |   if (!|number).|
|00000d60| 58 20 20 20 20 20 20 20 | 20 7b 0a 58 20 20 20 20 |X       | {.X    |
|00000d70| 20 20 20 20 20 20 20 20 | 44 45 4c 45 54 45 20 6b |        |DELETE k|
|00000d80| 65 79 2e 64 70 74 72 3b | 0a 58 20 20 20 20 20 20 |ey.dptr;|.X      |
|00000d90| 20 20 20 20 20 20 73 6c | 65 65 70 28 32 29 3b 0a |      sl|eep(2);.|
|00000da0| 58 20 20 20 20 20 20 20 | 20 7d 0a 58 20 20 20 20 |X       | }.X    |
|00000db0| 20 20 20 20 72 65 74 75 | 72 6e 20 30 3b 0a 58 20 |    retu|rn 0;.X |
|00000dc0| 20 20 20 7d 0a 58 0a 58 | 20 20 20 20 6f 70 65 6e |   }.X.X|    open|
|00000dd0| 5f 64 61 74 61 62 61 73 | 65 28 47 44 42 4d 5f 52 |_databas|e(GDBM_R|
|00000de0| 45 41 44 45 52 29 3b 0a | 58 20 20 20 20 64 61 74 |EADER);.|X    dat|
|00000df0| 75 6d 20 64 61 74 61 20 | 3d 20 67 64 62 6d 5f 66 |um data |= gdbm_f|
|00000e00| 65 74 63 68 28 47 64 62 | 6d 46 69 6c 65 2c 20 6b |etch(Gdb|mFile, k|
|00000e10| 65 79 29 3b 0a 58 20 20 | 20 20 67 64 62 6d 5f 63 |ey);.X  |  gdbm_c|
|00000e20| 6c 6f 73 65 28 47 64 62 | 6d 46 69 6c 65 29 3b 0a |lose(Gdb|mFile);.|
|00000e30| 58 20 20 20 20 69 66 20 | 28 21 64 61 74 61 2e 64 |X    if |(!data.d|
|00000e40| 70 74 72 29 0a 58 20 20 | 20 20 7b 0a 58 20 20 20 |ptr).X  |  {.X   |
|00000e50| 20 20 20 20 20 64 69 6e | 67 28 29 3b 0a 58 20 20 |     din|g();.X  |
|00000e60| 20 20 20 20 20 20 6d 65 | 73 73 61 67 65 28 22 54 |      me|ssage("T|
|00000e70| 68 65 72 65 20 69 73 20 | 6e 6f 20 70 72 6f 62 6c |here is |no probl|
|00000e80| 65 6d 20 23 20 60 25 27 | 20 22 2c 20 6b 65 79 2e |em # `%'| ", key.|
|00000e90| 64 70 74 72 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |dptr);.X|        |
|00000ea0| 69 66 20 28 21 6e 75 6d | 62 65 72 29 0a 58 20 20 |if (!num|ber).X  |
|00000eb0| 20 20 20 20 20 20 7b 0a | 58 20 20 20 20 20 20 20 |      {.|X       |
|00000ec0| 20 20 20 20 20 44 45 4c | 45 54 45 20 6b 65 79 2e |     DEL|ETE key.|
|00000ed0| 64 70 74 72 3b 0a 58 20 | 20 20 20 20 20 20 20 20 |dptr;.X |        |
|00000ee0| 20 20 20 73 6c 65 65 70 | 28 32 29 3b 0a 58 20 20 |   sleep|(2);.X  |
|00000ef0| 20 20 20 20 20 20 7d 0a | 58 20 20 20 20 20 20 20 |      }.|X       |
|00000f00| 20 72 65 74 75 72 6e 20 | 30 3b 20 20 2f 2f 20 6f | return |0;  // o|
|00000f10| 6e 6c 79 20 74 68 65 20 | 6d 65 73 73 61 67 65 20 |nly the |message |
|00000f20| 61 72 65 61 20 68 61 73 | 20 62 65 65 6e 20 63 6f |area has| been co|
|00000f30| 72 72 75 70 74 65 64 0a | 58 20 20 20 20 7d 0a 58 |rrupted.|X    }.X|
|00000f40| 0a 58 20 20 20 20 2f 2f | 0a 58 20 20 20 20 2f 2f |.X    //|.X    //|
|00000f50| 20 54 68 65 20 70 72 6f | 62 6c 65 6d 20 65 78 69 | The pro|blem exi|
|00000f60| 73 74 73 2e 0a 58 20 20 | 20 20 2f 2f 0a 58 20 20 |sts..X  |  //.X  |
|00000f70| 20 20 75 70 64 61 74 65 | 5f 65 78 69 73 74 69 6e |  update|_existin|
|00000f80| 67 5f 70 72 6f 62 6c 65 | 6d 28 64 61 74 61 2c 20 |g_proble|m(data, |
|00000f90| 6b 65 79 2c 20 41 50 50 | 45 4e 44 45 44 29 3b 0a |key, APP|ENDED);.|
|00000fa0| 58 20 20 20 20 75 70 64 | 61 74 65 5f 6d 6f 64 65 |X    upd|ate_mode|
|00000fb0| 6c 69 6e 65 28 29 3b 20 | 20 2f 2f 20 72 65 64 69 |line(); | // redi|
|00000fc0| 73 70 6c 61 79 20 74 68 | 65 20 70 72 65 76 69 6f |splay th|e previo|
|00000fd0| 75 73 20 6d 6f 64 65 6c | 69 6e 65 0a 58 0a 58 20 |us model|ine.X.X |
|00000fe0| 20 20 20 66 72 65 65 28 | 64 61 74 61 2e 64 70 74 |   free(|data.dpt|
|00000ff0| 72 29 3b 0a 58 20 20 20 | 20 69 66 20 28 21 6e 75 |r);.X   | if (!nu|
|00001000| 6d 62 65 72 29 20 44 45 | 4c 45 54 45 20 6b 65 79 |mber) DE|LETE key|
|00001010| 2e 64 70 74 72 3b 0a 58 | 0a 58 20 20 20 20 72 65 |.dptr;.X|.X    re|
|00001020| 74 75 72 6e 20 31 3b 20 | 20 20 20 20 2f 2f 20 6d |turn 1; |    // m|
|00001030| 75 73 74 20 72 65 66 72 | 65 73 68 20 74 68 65 20 |ust refr|esh the |
|00001040| 73 63 72 65 65 6e 0a 58 | 7d 0a 58 0a 58 2f 2a 0a |screen.X|}.X.X/*.|
|00001050| 58 2a 2a 20 73 75 62 73 | 63 72 69 62 65 5f 74 6f |X** subs|cribe_to|
|00001060| 5f 61 72 65 61 20 2d 20 | 70 75 74 20 75 73 65 72 |_area - |put user|
|00001070| 20 6f 6e 20 69 6e 74 65 | 72 65 73 74 65 64 20 70 | on inte|rested p|
|00001080| 61 72 74 69 65 73 20 6c | 69 73 74 20 66 6f 72 20 |arties l|ist for |
|00001090| 63 75 72 72 65 6e 74 20 | 61 72 65 61 2e 0a 58 2a |current |area..X*|
|000010a0| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*       |        |
|000010b0| 20 20 20 20 20 20 45 78 | 69 74 73 20 6f 6e 20 65 |      Ex|its on e|
|000010c0| 72 72 6f 72 0a 58 2a 2f | 0a 58 0a 58 73 74 61 74 |rror.X*/|.X.Xstat|
|000010d0| 69 63 20 76 6f 69 64 20 | 73 75 62 73 63 72 69 62 |ic void |subscrib|
|000010e0| 65 5f 74 6f 5f 61 72 65 | 61 28 29 0a 58 7b 0a 58 |e_to_are|a().X{.X|
|000010f0| 20 20 20 20 69 6e 74 20 | 6d 61 69 6c 66 64 20 3d |    int |mailfd =|
|00001100| 20 6f 70 65 6e 5f 6d 61 | 69 6c 6c 69 73 74 5f 66 | open_ma|illist_f|
|00001110| 69 6c 65 28 29 3b 0a 58 | 20 20 20 20 63 6f 6e 73 |ile();.X|    cons|
|00001120| 74 20 69 6e 74 20 63 68 | 75 6e 6b 73 69 7a 65 20 |t int ch|unksize |
|00001130| 3d 20 32 30 3b 0a 58 20 | 20 20 20 63 6f 6e 73 74 |= 20;.X |   const|
|00001140| 20 69 6e 74 20 6c 69 6e | 65 6c 65 6e 20 20 20 3d | int lin|elen   =|
|00001150| 20 31 30 3b 0a 58 20 20 | 20 20 63 68 61 72 20 2a | 10;.X  |  char *|
|00001160| 2a 75 73 65 72 73 20 3d | 20 6e 65 77 20 63 68 61 |*users =| new cha|
|00001170| 72 2a 5b 63 68 75 6e 6b | 73 69 7a 65 5d 3b 0a 58 |r*[chunk|size];.X|
|00001180| 20 20 20 20 46 49 4c 45 | 20 2a 6d 61 69 6c 66 70 |    FILE| *mailfp|
|00001190| 20 3d 20 66 64 6f 70 65 | 6e 28 6d 61 69 6c 66 64 | = fdope|n(mailfd|
|000011a0| 2c 20 22 72 2b 22 29 3b | 0a 58 20 20 20 20 69 66 |, "r+");|.X    if|
|000011b0| 20 28 21 6d 61 69 6c 66 | 70 29 0a 58 20 20 20 20 | (!mailf|p).X    |
|000011c0| 20 20 20 20 65 72 72 6f | 72 28 22 66 69 6c 65 20 |    erro|r("file |
|000011d0| 25 73 2c 20 6c 69 6e 65 | 20 25 64 2c 20 66 64 6f |%s, line| %d, fdo|
|000011e0| 70 65 6e 28 29 20 66 61 | 69 6c 65 64 22 2c 20 5f |pen() fa|iled", _|
|000011f0| 5f 46 49 4c 45 5f 5f 2c | 20 5f 5f 4c 49 4e 45 5f |_FILE__,| __LINE_|
|00001200| 5f 29 3b 0a 58 20 20 20 | 20 69 6e 74 20 6e 75 73 |_);.X   | int nus|
|00001210| 65 72 73 20 3d 20 72 65 | 61 64 5f 66 69 6c 65 28 |ers = re|ad_file(|
|00001220| 6d 61 69 6c 66 70 2c 20 | 75 73 65 72 73 2c 20 63 |mailfp, |users, c|
|00001230| 68 75 6e 6b 73 69 7a 65 | 2c 20 6c 69 6e 65 6c 65 |hunksize|, linele|
|00001240| 6e 29 3b 0a 58 20 20 20 | 20 69 66 20 28 6e 75 73 |n);.X   | if (nus|
|00001250| 65 72 73 20 3c 20 30 29 | 0a 58 20 20 20 20 20 20 |ers < 0)|.X      |
|00001260| 20 20 65 72 72 6f 72 28 | 22 66 69 6c 65 20 25 73 |  error(|"file %s|
|00001270| 2c 20 6c 69 6e 65 20 25 | 64 2c 20 65 72 72 6f 72 |, line %|d, error|
|00001280| 20 72 65 61 64 69 6e 67 | 20 25 73 20 6d 61 69 6c | reading| %s mail|
|00001290| 6c 69 73 74 22 2c 0a 58 | 20 20 20 20 20 20 20 20 |list",.X|        |
|000012a0| 20 20 20 20 20 20 5f 5f | 46 49 4c 45 5f 5f 2c 20 |      __|FILE__, |
|000012b0| 5f 5f 4c 49 4e 45 5f 5f | 2c 20 43 75 72 72 65 6e |__LINE__|, Curren|
|000012c0| 74 41 72 65 61 28 29 29 | 3b 0a 58 0a 58 20 20 20 |tArea())|;.X.X   |
|000012d0| 20 2f 2f 0a 58 20 20 20 | 20 2f 2f 20 49 73 20 75 | //.X   | // Is u|
|000012e0| 73 65 72 20 61 6c 72 65 | 61 64 79 20 73 75 62 73 |ser alre|ady subs|
|000012f0| 63 72 69 62 65 64 3f 0a | 58 20 20 20 20 2f 2f 0a |cribed?.|X    //.|
|00001300| 58 20 20 20 20 63 6f 6e | 73 74 20 63 68 61 72 20 |X    con|st char |
|00001310| 2a 75 73 65 72 20 3d 20 | 75 73 65 72 6e 61 6d 65 |*user = |username|
|00001320| 28 29 3b 0a 58 20 20 20 | 20 66 6f 72 20 28 69 6e |();.X   | for (in|
|00001330| 74 20 69 20 3d 20 30 2c | 20 73 75 62 73 63 72 69 |t i = 0,| subscri|
|00001340| 62 65 64 20 3d 20 30 3b | 20 69 20 3c 20 6e 75 73 |bed = 0;| i < nus|
|00001350| 65 72 73 3b 20 69 2b 2b | 29 0a 58 20 20 20 20 20 |ers; i++|).X     |
|00001360| 20 20 20 69 66 20 28 73 | 74 72 63 6d 70 28 75 73 |   if (s|trcmp(us|
|00001370| 65 72 73 5b 69 5d 2c 20 | 75 73 65 72 29 20 3d 3d |ers[i], |user) ==|
|00001380| 20 30 29 0a 58 20 20 20 | 20 20 20 20 20 7b 0a 58 | 0).X   |     {.X|
|00001390| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 75 62 73 |        |    subs|
|000013a0| 63 72 69 62 65 64 20 3d | 20 31 3b 20 62 72 65 61 |cribed =| 1; brea|
|000013b0| 6b 3b 0a 58 20 20 20 20 | 20 20 20 20 7d 0a 58 0a |k;.X    |    }.X.|
|000013c0| 58 20 20 20 20 66 6f 72 | 20 28 69 20 3d 20 30 3b |X    for| (i = 0;|
|000013d0| 20 69 20 3c 20 6e 75 73 | 65 72 73 3b 20 69 2b 2b | i < nus|ers; i++|
|000013e0| 29 20 44 45 4c 45 54 45 | 20 75 73 65 72 73 5b 69 |) DELETE| users[i|
|000013f0| 5d 3b 0a 58 20 20 20 20 | 44 45 4c 45 54 45 20 75 |];.X    |DELETE u|
|00001400| 73 65 72 73 3b 0a 58 0a | 58 20 20 20 20 69 66 20 |sers;.X.|X    if |
|00001410| 28 73 75 62 73 63 72 69 | 62 65 64 29 0a 58 20 20 |(subscri|bed).X  |
|00001420| 20 20 7b 0a 58 20 20 20 | 20 20 20 20 20 28 76 6f |  {.X   |     (vo|
|00001430| 69 64 29 63 6c 6f 73 65 | 28 6d 61 69 6c 66 64 29 |id)close|(mailfd)|
|00001440| 3b 20 28 76 6f 69 64 29 | 66 63 6c 6f 73 65 28 6d |; (void)|fclose(m|
|00001450| 61 69 6c 66 70 29 3b 0a | 58 20 20 20 20 20 20 20 |ailfp);.|X       |
|00001460| 20 64 69 6e 67 28 29 3b | 0a 58 20 20 20 20 20 20 | ding();|.X      |
|00001470| 20 20 6d 65 73 73 61 67 | 65 28 22 59 6f 75 20 61 |  messag|e("You a|
|00001480| 6c 72 65 61 64 79 20 73 | 75 62 73 63 72 69 62 65 |lready s|ubscribe|
|00001490| 20 74 6f 20 74 68 65 20 | 60 25 27 20 61 72 65 61 | to the |`%' area|
|000014a0| 20 22 2c 20 43 75 72 72 | 65 6e 74 41 72 65 61 28 | ", Curr|entArea(|
|000014b0| 29 29 3b 0a 58 20 20 20 | 20 20 20 20 20 73 6c 65 |));.X   |     sle|
|000014c0| 65 70 28 32 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |ep(2);.X|        |
|000014d0| 72 65 74 75 72 6e 3b 0a | 58 20 20 20 20 7d 0a 58 |return;.|X    }.X|
|000014e0| 0a 58 20 20 20 20 2f 2f | 0a 58 20 20 20 20 2f 2f |.X    //|.X    //|
|000014f0| 20 4c 6f 63 6b 20 6f 6e | 20 73 65 71 75 65 6e 63 | Lock on| sequenc|
|00001500| 65 20 66 69 6c 65 20 77 | 68 65 6e 20 75 70 64 61 |e file w|hen upda|
|00001510| 74 69 6e 67 20 74 68 65 | 20 6d 61 69 6c 6c 69 73 |ting the| maillis|
|00001520| 74 2e 0a 58 20 20 20 20 | 2f 2f 0a 58 20 20 20 20 |t..X    |//.X    |
|00001530| 69 6e 74 20 73 65 71 66 | 64 20 3d 20 6f 70 65 6e |int seqf|d = open|
|00001540| 28 73 65 71 75 65 6e 63 | 65 5f 66 69 6c 65 28 29 |(sequenc|e_file()|
|00001550| 2c 20 4f 5f 52 44 57 52 | 29 3b 0a 58 20 20 20 20 |, O_RDWR|);.X    |
|00001560| 69 66 20 28 73 65 71 66 | 64 20 3c 20 30 29 20 65 |if (seqf|d < 0) e|
|00001570| 72 72 6f 72 28 22 66 69 | 6c 65 20 25 73 2c 20 6c |rror("fi|le %s, l|
|00001580| 69 6e 65 20 25 64 2c 20 | 6f 70 65 6e 28 29 20 6f |ine %d, |open() o|
|00001590| 6e 20 60 25 73 27 20 66 | 61 69 6c 65 64 22 2c 0a |n `%s' f|ailed",.|
|000015a0| 58 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |X       |        |
|000015b0| 20 20 20 20 20 20 20 20 | 20 20 5f 5f 46 49 4c 45 |        |  __FILE|
|000015c0| 5f 5f 2c 20 5f 5f 4c 49 | 4e 45 5f 5f 2c 20 73 65 |__, __LI|NE__, se|
|000015d0| 71 75 65 6e 63 65 5f 66 | 69 6c 65 28 29 29 3b 0a |quence_f|ile());.|
|000015e0| 58 0a 58 20 20 20 20 62 | 6c 6f 63 6b 5f 74 73 74 |X.X    b|lock_tst|
|000015f0| 70 5f 61 6e 64 5f 77 69 | 6e 63 68 28 29 3b 20 2f |p_and_wi|nch(); /|
|00001600| 2f 20 62 6c 6f 63 6b 20 | 53 49 47 54 53 54 50 20 |/ block |SIGTSTP |
|00001610| 61 6e 64 20 57 49 4e 43 | 48 0a 58 20 20 20 20 6c |and WINC|H.X    l|
|00001620| 6f 63 6b 5f 66 69 6c 65 | 28 73 65 71 66 64 29 3b |ock_file|(seqfd);|
|00001630| 20 20 20 20 20 20 20 2f | 2f 20 6c 6f 63 6b 20 6f |       /|/ lock o|
|00001640| 75 72 20 73 65 71 75 65 | 6e 63 65 20 66 69 6c 65 |ur seque|nce file|
|00001650| 0a 58 0a 58 20 20 20 20 | 2f 2f 0a 58 20 20 20 20 |.X.X    |//.X    |
|00001660| 2f 2f 20 53 65 65 6b 20 | 74 6f 20 65 6e 64 20 6f |// Seek |to end o|
|00001670| 66 20 6d 61 69 6c 6c 69 | 73 74 20 66 69 6c 65 2e |f mailli|st file.|
|00001680| 0a 58 20 20 20 20 2f 2f | 0a 58 20 20 20 20 69 66 |.X    //|.X    if|
|00001690| 20 28 66 73 65 65 6b 28 | 6d 61 69 6c 66 70 2c 20 | (fseek(|mailfp, |
|000016a0| 30 2c 20 53 45 45 4b 5f | 45 4e 44 29 29 0a 58 20 |0, SEEK_|END)).X |
|000016b0| 20 20 20 20 20 20 20 65 | 72 72 6f 72 28 22 66 69 |       e|rror("fi|
|000016c0| 6c 65 20 25 73 2c 20 6c | 69 6e 65 20 25 64 2c 20 |le %s, l|ine %d, |
|000016d0| 66 73 65 65 6b 28 29 20 | 66 61 69 6c 65 64 22 2c |fseek() |failed",|
|000016e0| 20 5f 5f 46 49 4c 45 5f | 5f 2c 20 5f 5f 4c 49 4e | __FILE_|_, __LIN|
|000016f0| 45 5f 5f 29 3b 0a 58 20 | 20 20 20 28 76 6f 69 64 |E__);.X |   (void|
|00001700| 29 66 70 72 69 6e 74 66 | 28 6d 61 69 6c 66 70 2c |)fprintf|(mailfp,|
|00001710| 20 22 25 73 5c 6e 22 2c | 20 75 73 65 72 29 3b 20 | "%s\n",| user); |
|00001720| 2f 2f 20 61 64 64 20 74 | 68 65 6d 0a 58 0a 58 20 |// add t|hem.X.X |
|00001730| 20 20 20 28 76 6f 69 64 | 29 66 63 6c 6f 73 65 28 |   (void|)fclose(|
|00001740| 6d 61 69 6c 66 70 29 3b | 0a 58 20 20 20 20 28 76 |mailfp);|.X    (v|
|00001750| 6f 69 64 29 20 63 6c 6f | 73 65 28 6d 61 69 6c 66 |oid) clo|se(mailf|
|00001760| 64 29 3b 0a 58 20 20 20 | 20 75 6e 6c 6f 63 6b 5f |d);.X   | unlock_|
|00001770| 66 69 6c 65 28 73 65 71 | 66 64 29 3b 0a 58 20 20 |file(seq|fd);.X  |
|00001780| 20 20 28 76 6f 69 64 29 | 63 6c 6f 73 65 28 73 65 |  (void)|close(se|
|00001790| 71 66 64 29 3b 0a 58 0a | 58 20 20 20 20 75 6e 62 |qfd);.X.|X    unb|
|000017a0| 6c 6f 63 6b 5f 74 73 74 | 70 5f 61 6e 64 5f 77 69 |lock_tst|p_and_wi|
|000017b0| 6e 63 68 28 29 3b 0a 58 | 0a 58 20 20 20 20 6d 65 |nch();.X|.X    me|
|000017c0| 73 73 61 67 65 28 22 59 | 6f 75 20 6e 6f 77 20 73 |ssage("Y|ou now s|
|000017d0| 75 62 73 63 72 69 62 65 | 20 74 6f 20 74 68 65 20 |ubscribe| to the |
|000017e0| 60 25 27 20 61 72 65 61 | 20 22 2c 20 43 75 72 72 |`%' area| ", Curr|
|000017f0| 65 6e 74 41 72 65 61 28 | 29 29 3b 0a 58 20 20 20 |entArea(|));.X   |
|00001800| 20 73 6c 65 65 70 28 32 | 29 3b 0a 58 7d 0a 58 0a | sleep(2|);.X}.X.|
|00001810| 58 2f 2a 0a 58 2a 2a 20 | 75 6e 73 75 62 73 63 72 |X/*.X** |unsubscr|
|00001820| 69 62 65 5f 66 72 6f 6d | 5f 61 72 65 61 20 2d 20 |ibe_from|_area - |
|00001830| 75 6e 73 75 62 73 63 72 | 69 62 65 20 66 72 6f 6d |unsubscr|ibe from|
|00001840| 20 74 68 65 20 63 75 72 | 72 65 6e 74 20 61 72 65 | the cur|rent are|
|00001850| 61 2e 20 20 45 78 69 74 | 73 20 6f 6e 20 65 72 72 |a.  Exit|s on err|
|00001860| 6f 72 2e 0a 58 2a 2f 0a | 58 0a 58 73 74 61 74 69 |or..X*/.|X.Xstati|
|00001870| 63 20 76 6f 69 64 20 75 | 6e 73 75 62 73 63 72 69 |c void u|nsubscri|
|00001880| 62 65 5f 66 72 6f 6d 5f | 61 72 65 61 28 29 0a 58 |be_from_|area().X|
|00001890| 7b 0a 58 20 20 20 20 69 | 6e 74 20 6d 61 69 6c 66 |{.X    i|nt mailf|
|000018a0| 64 20 20 20 3d 20 6f 70 | 65 6e 5f 6d 61 69 6c 6c |d   = op|en_maill|
|000018b0| 69 73 74 5f 66 69 6c 65 | 28 29 3b 0a 58 20 20 20 |ist_file|();.X   |
|000018c0| 20 46 49 4c 45 20 2a 6d | 61 69 6c 66 70 20 3d 20 | FILE *m|ailfp = |
|000018d0| 66 64 6f 70 65 6e 28 6d | 61 69 6c 66 64 2c 20 22 |fdopen(m|ailfd, "|
|000018e0| 72 2b 22 29 3b 0a 58 20 | 20 20 20 69 66 20 28 21 |r+");.X |   if (!|
|000018f0| 6d 61 69 6c 66 70 29 0a | 58 20 20 20 20 20 20 20 |mailfp).|X       |
|00001900| 20 65 72 72 6f 72 28 22 | 66 69 6c 65 20 25 73 2c | error("|file %s,|
|00001910| 20 6c 69 6e 65 20 25 64 | 2c 20 66 64 6f 70 65 6e | line %d|, fdopen|
|00001920| 28 29 20 66 61 69 6c 65 | 64 22 2c 20 5f 5f 46 49 |() faile|d", __FI|
|00001930| 4c 45 5f 5f 2c 20 5f 5f | 4c 49 4e 45 5f 5f 29 3b |LE__, __|LINE__);|
|00001940| 0a 58 0a 58 20 20 20 20 | 63 6f 6e 73 74 20 69 6e |.X.X    |const in|
|00001950| 74 20 63 68 75 6e 6b 73 | 69 7a 65 20 3d 20 32 30 |t chunks|ize = 20|
|00001960| 3b 0a 58 20 20 20 20 63 | 6f 6e 73 74 20 69 6e 74 |;.X    c|onst int|
|00001970| 20 6c 69 6e 65 6c 65 6e | 20 20 20 3d 20 31 30 3b | linelen|   = 10;|
|00001980| 0a 58 20 20 20 20 63 68 | 61 72 20 2a 2a 75 73 65 |.X    ch|ar **use|
|00001990| 72 73 20 3d 20 6e 65 77 | 20 63 68 61 72 2a 5b 63 |rs = new| char*[c|
|000019a0| 68 75 6e 6b 73 69 7a 65 | 5d 3b 0a 58 20 20 20 20 |hunksize|];.X    |
|000019b0| 69 6e 74 20 6e 75 73 65 | 72 73 20 20 20 3d 20 72 |int nuse|rs   = r|
|000019c0| 65 61 64 5f 66 69 6c 65 | 28 6d 61 69 6c 66 70 2c |ead_file|(mailfp,|
|000019d0| 20 75 73 65 72 73 2c 20 | 63 68 75 6e 6b 73 69 7a | users, |chunksiz|
|000019e0| 65 2c 20 6c 69 6e 65 6c | 65 6e 29 3b 0a 58 20 20 |e, linel|en);.X  |
|000019f0| 20 20 69 66 20 28 6e 75 | 73 65 72 73 20 3c 20 30 |  if (nu|sers < 0|
|00001a00| 29 0a 58 20 20 20 20 20 | 20 20 20 65 72 72 6f 72 |).X     |   error|
|00001a10| 28 22 66 69 6c 65 20 25 | 73 2c 20 6c 69 6e 65 20 |("file %|s, line |
|00001a20| 25 64 2c 20 65 72 72 6f | 72 20 72 65 61 64 69 6e |%d, erro|r readin|
|00001a30| 67 20 25 73 20 6d 61 69 | 6c 6c 69 73 74 22 2c 0a |g %s mai|llist",.|
|00001a40| 58 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 5f |X       |       _|
|00001a50| 5f 46 49 4c 45 5f 5f 2c | 20 5f 5f 4c 49 4e 45 5f |_FILE__,| __LINE_|
|00001a60| 5f 2c 20 43 75 72 72 65 | 6e 74 41 72 65 61 28 29 |_, Curre|ntArea()|
|00001a70| 29 3b 0a 58 0a 58 20 20 | 20 20 2f 2f 0a 58 20 20 |);.X.X  |  //.X  |
|00001a80| 20 20 2f 2f 20 41 72 65 | 20 74 68 65 79 20 61 6c |  // Are| they al|
|00001a90| 72 65 61 64 79 20 73 75 | 62 73 63 72 69 62 65 64 |ready su|bscribed|
|00001aa0| 3f 0a 58 20 20 20 20 2f | 2f 0a 58 20 20 20 20 63 |?.X    /|/.X    c|
|00001ab0| 6f 6e 73 74 20 63 68 61 | 72 20 2a 75 73 65 72 20 |onst cha|r *user |
|00001ac0| 3d 20 75 73 65 72 6e 61 | 6d 65 28 29 3b 0a 58 20 |= userna|me();.X |
|00001ad0| 20 20 20 66 6f 72 20 28 | 69 6e 74 20 69 20 3d 20 |   for (|int i = |
|00001ae0| 30 2c 20 73 75 62 73 63 | 72 69 62 65 64 20 3d 20 |0, subsc|ribed = |
|00001af0| 30 3b 20 69 20 3c 20 6e | 75 73 65 72 73 3b 20 69 |0; i < n|users; i|
|00001b00| 2b 2b 29 0a 58 20 20 20 | 20 20 20 20 20 69 66 20 |++).X   |     if |
|00001b10| 28 73 74 72 63 6d 70 28 | 75 73 65 72 73 5b 69 5d |(strcmp(|users[i]|
|00001b20| 2c 20 75 73 65 72 29 20 | 3d 3d 20 30 29 0a 58 20 |, user) |== 0).X |
|00001b30| 20 20 20 20 20 20 20 7b | 0a 58 20 20 20 20 20 20 |       {|.X      |
|00001b40| 20 20 20 20 20 20 73 75 | 62 73 63 72 69 62 65 64 |      su|bscribed|
|00001b50| 20 3d 20 31 3b 0a 58 20 | 20 20 20 20 20 20 20 20 | = 1;.X |        |
|00001b60| 20 20 20 62 72 65 61 6b | 3b 0a 58 20 20 20 20 20 |   break|;.X     |
|00001b70| 20 20 20 7d 0a 58 0a 58 | 20 20 20 20 66 6f 72 20 |   }.X.X|    for |
|00001b80| 28 69 20 3d 20 30 3b 20 | 69 20 3c 20 6e 75 73 65 |(i = 0; |i < nuse|
|00001b90| 72 73 3b 20 69 2b 2b 29 | 20 44 45 4c 45 54 45 20 |rs; i++)| DELETE |
|00001ba0| 75 73 65 72 73 5b 69 5d | 3b 0a 58 20 20 20 20 44 |users[i]|;.X    D|
|00001bb0| 45 4c 45 54 45 20 75 73 | 65 72 73 3b 0a 58 0a 58 |ELETE us|ers;.X.X|
|00001bc0| 20 20 20 20 69 66 20 28 | 21 73 75 62 73 63 72 69 |    if (|!subscri|
|00001bd0| 62 65 64 29 0a 58 20 20 | 20 20 7b 0a 58 20 20 20 |bed).X  |  {.X   |
|00001be0| 20 20 20 20 20 28 76 6f | 69 64 29 66 63 6c 6f 73 |     (vo|id)fclos|
|00001bf0| 65 28 6d 61 69 6c 66 70 | 29 3b 0a 58 20 20 20 20 |e(mailfp|);.X    |
|00001c00| 20 20 20 20 28 76 6f 69 | 64 29 63 6c 6f 73 65 28 |    (voi|d)close(|
|00001c10| 6d 61 69 6c 66 64 29 3b | 0a 58 20 20 20 20 20 20 |mailfd);|.X      |
|00001c20| 20 20 64 69 6e 67 28 29 | 3b 0a 58 20 20 20 20 20 |  ding()|;.X     |
|00001c30| 20 20 20 6d 65 73 73 61 | 67 65 28 22 59 6f 75 27 |   messa|ge("You'|
|00001c40| 72 65 20 6e 6f 74 20 61 | 20 73 75 62 73 63 72 69 |re not a| subscri|
|00001c50| 62 65 65 20 6f 66 20 74 | 68 65 20 60 25 27 20 61 |bee of t|he `%' a|
|00001c60| 72 65 61 20 22 2c 20 43 | 75 72 72 65 6e 74 41 72 |rea ", C|urrentAr|
|00001c70| 65 61 28 29 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |ea());.X|        |
|00001c80| 73 6c 65 65 70 28 32 29 | 3b 0a 58 20 20 20 20 20 |sleep(2)|;.X     |
|00001c90| 20 20 20 72 65 74 75 72 | 6e 3b 0a 58 20 20 20 20 |   retur|n;.X    |
|00001ca0| 7d 0a 58 0a 58 20 20 20 | 20 2f 2f 0a 58 20 20 20 |}.X.X   | //.X   |
|00001cb0| 20 2f 2f 20 54 68 65 79 | 20 73 75 62 73 63 72 69 | // They| subscri|
|00001cc0| 62 65 20 2d 20 72 65 6d | 6f 76 65 20 74 68 65 6d |be - rem|ove them|
|00001cd0| 2e 0a 58 20 20 20 20 2f | 2f 0a 58 20 20 20 20 69 |..X    /|/.X    i|
|00001ce0| 66 20 28 66 73 65 65 6b | 28 6d 61 69 6c 66 70 2c |f (fseek|(mailfp,|
|00001cf0| 20 30 2c 20 53 45 45 4b | 5f 53 45 54 29 29 20 20 | 0, SEEK|_SET))  |
|00001d00| 2f 2f 20 73 65 65 6b 20 | 74 6f 20 62 65 67 69 6e |// seek |to begin|
|00001d10| 6e 69 6e 67 20 6f 66 20 | 66 69 6c 65 0a 58 20 20 |ning of |file.X  |
|00001d20| 20 20 20 20 20 20 65 72 | 72 6f 72 28 22 66 69 6c |      er|ror("fil|
|00001d30| 65 20 25 73 2c 20 6c 69 | 6e 65 20 25 64 2c 20 66 |e %s, li|ne %d, f|
|00001d40| 73 65 65 6b 28 29 20 66 | 61 69 6c 65 64 22 2c 20 |seek() f|ailed", |
|00001d50| 5f 5f 46 49 4c 45 5f 5f | 2c 20 5f 5f 4c 49 4e 45 |__FILE__|, __LINE|
|00001d60| 5f 5f 29 3b 0a 58 0a 58 | 20 20 20 20 2f 2f 0a 58 |__);.X.X|    //.X|
|00001d70| 20 20 20 20 2f 2f 20 46 | 69 72 73 74 2c 20 62 75 |    // F|irst, bu|
|00001d80| 69 6c 64 20 61 20 74 6d | 70 20 66 69 6c 65 20 66 |ild a tm|p file f|
|00001d90| 6f 72 20 6e 65 77 20 6d | 61 69 6c 6c 69 73 74 2e |or new m|aillist.|
|00001da0| 0a 58 20 20 20 20 2f 2f | 0a 58 20 20 20 20 63 68 |.X    //|.X    ch|
|00001db0| 61 72 20 2a 74 6d 70 66 | 69 6c 65 20 3d 20 6e 65 |ar *tmpf|ile = ne|
|00001dc0| 77 20 63 68 61 72 5b 73 | 74 72 6c 65 6e 28 6d 61 |w char[s|trlen(ma|
|00001dd0| 69 6c 5f 6c 69 73 74 5f | 70 72 65 66 69 78 28 29 |il_list_|prefix()|
|00001de0| 29 20 2b 20 31 32 5d 3b | 0a 58 20 20 20 20 28 76 |) + 12];|.X    (v|
|00001df0| 6f 69 64 29 73 70 72 69 | 6e 74 66 28 74 6d 70 66 |oid)spri|ntf(tmpf|
|00001e00| 69 6c 65 2c 20 22 25 73 | 2e 25 64 22 2c 20 6d 61 |ile, "%s|.%d", ma|
|00001e10| 69 6c 5f 6c 69 73 74 5f | 70 72 65 66 69 78 28 29 |il_list_|prefix()|
|00001e20| 2c 20 67 65 74 70 69 64 | 28 29 29 3b 0a 58 20 20 |, getpid|());.X  |
|00001e30| 20 20 69 6e 74 20 74 6d | 70 66 64 20 3d 20 6f 70 |  int tm|pfd = op|
|00001e40| 65 6e 28 74 6d 70 66 69 | 6c 65 2c 20 4f 5f 52 44 |en(tmpfi|le, O_RD|
|00001e50| 57 52 7c 4f 5f 43 52 45 | 41 54 2c 20 30 36 34 34 |WR|O_CRE|AT, 0644|
|00001e60| 29 3b 0a 58 0a 58 20 20 | 20 20 69 66 20 28 74 6d |);.X.X  |  if (tm|
|00001e70| 70 66 64 20 3c 20 30 29 | 0a 58 20 20 20 20 20 20 |pfd < 0)|.X      |
|00001e80| 20 20 65 72 72 6f 72 28 | 22 66 69 6c 65 20 25 73 |  error(|"file %s|
|00001e90| 2c 20 6c 69 6e 65 20 25 | 64 2c 20 6f 70 65 6e 28 |, line %|d, open(|
|00001ea0| 25 73 29 20 66 61 69 6c | 65 64 22 2c 0a 58 20 20 |%s) fail|ed",.X  |
|00001eb0| 20 20 20 20 20 20 20 20 | 20 20 20 20 5f 5f 46 49 |        |    __FI|
|00001ec0| 4c 45 5f 5f 2c 20 5f 5f | 4c 49 4e 45 5f 5f 2c 20 |LE__, __|LINE__, |
|00001ed0| 74 6d 70 66 69 6c 65 29 | 3b 0a 58 0a 58 20 20 20 |tmpfile)|;.X.X   |
|00001ee0| 20 46 49 4c 45 20 2a 74 | 6d 70 66 70 20 3d 20 66 | FILE *t|mpfp = f|
|00001ef0| 64 6f 70 65 6e 28 74 6d | 70 66 64 2c 20 22 77 2b |dopen(tm|pfd, "w+|
|00001f00| 22 29 3b 0a 58 20 20 20 | 20 69 66 20 28 21 74 6d |");.X   | if (!tm|
|00001f10| 70 66 70 29 0a 58 20 20 | 20 20 20 20 20 20 65 72 |pfp).X  |      er|
|00001f20| 72 6f 72 28 22 66 69 6c | 65 20 25 73 2c 20 6c 69 |ror("fil|e %s, li|
|00001f30| 6e 65 20 25 64 2c 20 66 | 64 6f 70 65 6e 28 29 20 |ne %d, f|dopen() |
|00001f40| 66 61 69 6c 65 64 22 2c | 20 5f 5f 46 49 4c 45 5f |failed",| __FILE_|
|00001f50| 5f 2c 20 5f 5f 4c 49 4e | 45 5f 5f 29 3b 0a 58 0a |_, __LIN|E__);.X.|
|00001f60| 58 20 20 20 20 2f 2f 0a | 58 20 20 20 20 2f 2f 20 |X    //.|X    // |
|00001f70| 57 65 20 75 73 65 20 74 | 68 65 20 73 65 71 75 65 |We use t|he seque|
|00001f80| 6e 63 65 5f 66 69 6c 65 | 20 66 6f 72 20 6c 6f 63 |nce_file| for loc|
|00001f90| 6b 69 6e 67 2e 0a 58 20 | 20 20 20 2f 2f 0a 58 20 |king..X |   //.X |
|00001fa0| 20 20 20 69 6e 74 20 73 | 65 71 66 64 20 3d 20 6f |   int s|eqfd = o|
|00001fb0| 70 65 6e 28 73 65 71 75 | 65 6e 63 65 5f 66 69 6c |pen(sequ|ence_fil|
|00001fc0| 65 28 29 2c 20 4f 5f 52 | 44 57 52 29 3b 0a 58 20 |e(), O_R|DWR);.X |
|00001fd0| 20 20 20 69 66 20 28 73 | 65 71 66 64 20 3c 20 30 |   if (s|eqfd < 0|
|00001fe0| 29 0a 58 20 20 20 20 20 | 20 20 20 65 72 72 6f 72 |).X     |   error|
|00001ff0| 28 22 66 69 6c 65 20 25 | 73 2c 20 6c 69 6e 65 20 |("file %|s, line |
|00002000| 25 64 2c 20 6f 70 65 6e | 28 29 20 6f 6e 20 60 25 |%d, open|() on `%|
|00002010| 73 27 20 66 61 69 6c 65 | 64 22 2c 0a 58 20 20 20 |s' faile|d",.X   |
|00002020| 20 20 20 20 20 20 20 20 | 20 20 20 5f 5f 46 49 4c |        |   __FIL|
|00002030| 45 5f 5f 2c 20 5f 5f 4c | 49 4e 45 5f 5f 2c 20 73 |E__, __L|INE__, s|
|00002040| 65 71 75 65 6e 63 65 5f | 66 69 6c 65 28 29 29 3b |equence_|file());|
|00002050| 0a 58 20 20 20 20 0a 58 | 20 20 20 20 62 6c 6f 63 |.X    .X|    bloc|
|00002060| 6b 5f 74 73 74 70 5f 61 | 6e 64 5f 77 69 6e 63 68 |k_tstp_a|nd_winch|
|00002070| 28 29 3b 20 2f 2f 20 62 | 6c 6f 63 6b 20 53 49 47 |(); // b|lock SIG|
|00002080| 54 53 54 50 20 61 6e 64 | 20 57 49 4e 43 48 0a 58 |TSTP and| WINCH.X|
|00002090| 20 20 20 20 6c 6f 63 6b | 5f 66 69 6c 65 28 73 65 |    lock|_file(se|
|000020a0| 71 66 64 29 3b 20 20 20 | 20 20 20 20 2f 2f 20 6c |qfd);   |    // l|
|000020b0| 6f 63 6b 20 6f 75 72 20 | 73 65 71 75 65 6e 63 65 |ock our |sequence|
|000020c0| 20 66 69 6c 65 0a 58 0a | 58 20 20 20 20 66 6f 72 | file.X.|X    for|
|000020d0| 20 28 63 68 61 72 20 2a | 6c 69 6e 65 20 3d 20 66 | (char *|line = f|
|000020e0| 67 65 74 6c 69 6e 65 28 | 6d 61 69 6c 66 70 2c 20 |getline(|mailfp, |
|000020f0| 31 30 29 3b 20 6c 69 6e | 65 3b 20 6c 69 6e 65 20 |10); lin|e; line |
|00002100| 3d 20 66 67 65 74 6c 69 | 6e 65 28 6d 61 69 6c 66 |= fgetli|ne(mailf|
|00002110| 70 2c 20 31 30 29 29 0a | 58 20 20 20 20 7b 0a 58 |p, 10)).|X    {.X|
|00002120| 20 20 20 20 20 20 20 20 | 69 66 20 28 73 74 72 63 |        |if (strc|
|00002130| 6d 70 28 6c 69 6e 65 2c | 20 75 73 65 72 29 20 3d |mp(line,| user) =|
|00002140| 3d 20 30 29 0a 58 20 20 | 20 20 20 20 20 20 7b 0a |= 0).X  |      {.|
|00002150| 58 20 20 20 20 20 20 20 | 20 20 20 20 20 44 45 4c |X       |     DEL|
|00002160| 45 54 45 20 6c 69 6e 65 | 3b 0a 58 20 20 20 20 20 |ETE line|;.X     |
|00002170| 20 20 20 20 20 20 20 63 | 6f 6e 74 69 6e 75 65 3b |       c|ontinue;|
|00002180| 0a 58 20 20 20 20 20 20 | 20 20 7d 0a 58 20 20 20 |.X      |  }.X   |
|00002190| 20 20 20 20 20 28 76 6f | 69 64 29 66 70 72 69 6e |     (vo|id)fprin|
|000021a0| 74 66 28 74 6d 70 66 70 | 2c 20 22 25 73 5c 6e 22 |tf(tmpfp|, "%s\n"|
|000021b0| 2c 20 6c 69 6e 65 29 3b | 0a 58 20 20 20 20 20 20 |, line);|.X      |
|000021c0| 20 20 44 45 4c 45 54 45 | 20 6c 69 6e 65 3b 0a 58 |  DELETE| line;.X|
|000021d0| 20 20 20 20 7d 0a 58 0a | 58 20 20 20 20 69 66 20 |    }.X.|X    if |
|000021e0| 28 66 65 6f 66 28 6d 61 | 69 6c 66 70 29 20 26 26 |(feof(ma|ilfp) &&|
|000021f0| 20 21 66 65 72 72 6f 72 | 28 6d 61 69 6c 66 70 29 | !ferror|(mailfp)|
|00002200| 29 0a 58 20 20 20 20 7b | 0a 58 20 20 20 20 20 20 |).X    {|.X      |
|00002210| 20 20 2f 2f 0a 58 20 20 | 20 20 20 20 20 20 2f 2f |  //.X  |      //|
|00002220| 20 41 6c 74 65 72 6e 61 | 74 65 20 6d 61 69 6c 6c | Alterna|te maill|
|00002230| 69 73 74 20 63 6f 72 72 | 65 63 74 6c 79 20 63 6f |ist corr|ectly co|
|00002240| 6e 73 74 72 75 63 74 65 | 64 2e 0a 58 20 20 20 20 |nstructe|d..X    |
|00002250| 20 20 20 20 2f 2f 0a 58 | 20 20 20 20 20 20 20 20 |    //.X|        |
|00002260| 28 76 6f 69 64 29 66 63 | 6c 6f 73 65 28 74 6d 70 |(void)fc|lose(tmp|
|00002270| 66 70 29 3b 0a 58 20 20 | 20 20 20 20 20 20 28 76 |fp);.X  |      (v|
|00002280| 6f 69 64 29 66 63 6c 6f | 73 65 28 6d 61 69 6c 66 |oid)fclo|se(mailf|
|00002290| 70 29 3b 0a 58 20 20 20 | 20 20 20 20 20 28 76 6f |p);.X   |     (vo|
|000022a0| 69 64 29 20 63 6c 6f 73 | 65 28 74 6d 70 66 64 29 |id) clos|e(tmpfd)|
|000022b0| 3b 0a 58 20 20 20 20 20 | 20 20 20 28 76 6f 69 64 |;.X     |   (void|
|000022c0| 29 20 63 6c 6f 73 65 28 | 6d 61 69 6c 66 64 29 3b |) close(|mailfd);|
|000022d0| 0a 58 0a 58 20 20 20 20 | 20 20 20 20 2f 2f 0a 58 |.X.X    |    //.X|
|000022e0| 20 20 20 20 20 20 20 20 | 2f 2f 20 52 65 6d 6f 76 |        |// Remov|
|000022f0| 65 20 6f 6c 64 20 6d 61 | 69 6c 6c 69 73 74 2e 0a |e old ma|illist..|
|00002300| 58 20 20 20 20 20 20 20 | 20 2f 2f 0a 58 20 20 20 |X       | //.X   |
|00002310| 20 20 20 20 20 53 74 72 | 69 6e 67 20 6d 61 69 6c |     Str|ing mail|
|00002320| 6c 69 73 74 28 6d 61 69 | 6c 5f 6c 69 73 74 5f 70 |list(mai|l_list_p|
|00002330| 72 65 66 69 78 28 29 29 | 3b 0a 58 20 20 20 20 20 |refix())|;.X     |
|00002340| 20 20 20 6d 61 69 6c 6c | 69 73 74 20 2b 3d 20 22 |   maill|ist += "|
|00002350| 2e 22 3b 0a 58 20 20 20 | 20 20 20 20 20 6d 61 69 |.";.X   |     mai|
|00002360| 6c 6c 69 73 74 20 2b 3d | 20 43 75 72 72 65 6e 74 |llist +=| Current|
|00002370| 41 72 65 61 28 29 3b 0a | 58 0a 58 20 20 20 20 20 |Area();.|X.X     |
|00002380| 20 20 20 69 66 20 28 75 | 6e 6c 69 6e 6b 28 28 63 |   if (u|nlink((c|
|00002390| 6f 6e 73 74 20 63 68 61 | 72 20 2a 29 6d 61 69 6c |onst cha|r *)mail|
|000023a0| 6c 69 73 74 29 20 3c 20 | 30 29 0a 58 20 20 20 20 |list) < |0).X    |
|000023b0| 20 20 20 20 20 20 20 20 | 65 72 72 6f 72 28 22 66 |        |error("f|
|000023c0| 69 6c 65 20 25 73 2c 20 | 6c 69 6e 65 20 25 64 2c |ile %s, |line %d,|
|000023d0| 20 75 6e 6c 69 6e 6b 28 | 25 73 29 20 66 61 69 6c | unlink(|%s) fail|
|000023e0| 65 64 22 2c 0a 58 20 20 | 20 20 20 20 20 20 20 20 |ed",.X  |        |
|000023f0| 20 20 20 20 20 20 20 20 | 5f 5f 46 49 4c 45 5f 5f |        |__FILE__|
|00002400| 2c 20 5f 5f 4c 49 4e 45 | 5f 5f 2c 20 28 63 6f 6e |, __LINE|__, (con|
|00002410| 73 74 20 63 68 61 72 20 | 2a 29 6d 61 69 6c 6c 69 |st char |*)mailli|
|00002420| 73 74 29 3b 0a 58 20 20 | 20 20 20 20 20 20 69 66 |st);.X  |      if|
|00002430| 20 28 72 65 6e 61 6d 65 | 28 28 63 6f 6e 73 74 20 | (rename|((const |
|00002440| 63 68 61 72 20 2a 29 74 | 6d 70 66 69 6c 65 2c 20 |char *)t|mpfile, |
|00002450| 28 63 6f 6e 73 74 20 63 | 68 61 72 20 2a 29 6d 61 |(const c|har *)ma|
|00002460| 69 6c 6c 69 73 74 29 20 | 3c 20 30 29 0a 58 20 20 |illist) |< 0).X  |
|00002470| 20 20 20 20 20 20 20 20 | 20 20 65 72 72 6f 72 28 |        |  error(|
|00002480| 22 66 69 6c 65 20 25 73 | 2c 20 6c 69 6e 65 20 25 |"file %s|, line %|
|00002490| 64 2c 20 72 65 6e 61 6d | 65 28 25 73 2c 20 25 73 |d, renam|e(%s, %s|
|000024a0| 29 20 66 61 69 6c 65 64 | 22 2c 20 5f 5f 46 49 4c |) failed|", __FIL|
|000024b0| 45 5f 5f 2c 0a 58 20 20 | 20 20 20 20 20 20 20 20 |E__,.X  |        |
|000024c0| 20 20 20 20 20 20 20 20 | 5f 5f 4c 49 4e 45 5f 5f |        |__LINE__|
|000024d0| 2c 20 28 63 6f 6e 73 74 | 20 63 68 61 72 20 2a 29 |, (const| char *)|
|000024e0| 74 6d 70 66 69 6c 65 2c | 20 28 63 6f 6e 73 74 20 |tmpfile,| (const |
|000024f0| 63 68 61 72 20 2a 29 6d | 61 69 6c 6c 69 73 74 29 |char *)m|aillist)|
|00002500| 3b 0a 58 0a 58 20 20 20 | 20 20 20 20 20 6d 65 73 |;.X.X   |     mes|
|00002510| 73 61 67 65 28 22 59 6f | 75 27 76 65 20 62 65 65 |sage("Yo|u've bee|
|00002520| 6e 20 75 6e 73 75 62 73 | 63 72 69 62 65 64 20 66 |n unsubs|cribed f|
|00002530| 72 6f 6d 20 74 68 65 20 | 60 25 27 20 61 72 65 61 |rom the |`%' area|
|00002540| 20 22 2c 20 43 75 72 72 | 65 6e 74 41 72 65 61 28 | ", Curr|entArea(|
|00002550| 29 29 3b 0a 58 20 20 20 | 20 7d 0a 58 20 20 20 20 |));.X   | }.X    |
|00002560| 65 6c 73 65 0a 58 20 20 | 20 20 7b 0a 58 20 20 20 |else.X  |  {.X   |
|00002570| 20 20 20 20 20 28 76 6f | 69 64 29 66 63 6c 6f 73 |     (vo|id)fclos|
|00002580| 65 28 74 6d 70 66 70 29 | 3b 0a 58 20 20 20 20 20 |e(tmpfp)|;.X     |
|00002590| 20 20 20 28 76 6f 69 64 | 29 66 63 6c 6f 73 65 28 |   (void|)fclose(|
|000025a0| 6d 61 69 6c 66 70 29 3b | 0a 58 20 20 20 20 20 20 |mailfp);|.X      |
|000025b0| 20 20 28 76 6f 69 64 29 | 20 63 6c 6f 73 65 28 74 |  (void)| close(t|
|000025c0| 6d 70 66 64 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |mpfd);.X|        |
|000025d0| 28 76 6f 69 64 29 20 63 | 6c 6f 73 65 28 6d 61 69 |(void) c|lose(mai|
|000025e0| 6c 66 64 29 3b 0a 58 20 | 20 20 20 20 20 20 20 64 |lfd);.X |       d|
|000025f0| 69 6e 67 28 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |ing();.X|        |
|00002600| 6d 65 73 73 61 67 65 28 | 22 50 72 6f 62 6c 65 6d |message(|"Problem|
|00002610| 20 75 70 64 61 74 69 6e | 67 20 6d 61 69 6c 6c 69 | updatin|g mailli|
|00002620| 73 74 20 2d 2d 20 75 70 | 64 61 74 65 20 6e 6f 74 |st -- up|date not|
|00002630| 20 63 6f 6d 6d 69 74 74 | 65 64 20 22 29 3b 0a 58 | committ|ed ");.X|
|00002640| 20 20 20 20 7d 0a 58 0a | 58 20 20 20 20 75 6e 6c |    }.X.|X    unl|
|00002650| 6f 63 6b 5f 66 69 6c 65 | 28 73 65 71 66 64 29 3b |ock_file|(seqfd);|
|00002660| 0a 58 20 20 20 20 28 76 | 6f 69 64 29 63 6c 6f 73 |.X    (v|oid)clos|
|00002670| 65 28 73 65 71 66 64 29 | 3b 0a 58 20 20 20 20 75 |e(seqfd)|;.X    u|
|00002680| 6e 62 6c 6f 63 6b 5f 74 | 73 74 70 5f 61 6e 64 5f |nblock_t|stp_and_|
|00002690| 77 69 6e 63 68 28 29 3b | 0a 58 0a 58 20 20 20 20 |winch();|.X.X    |
|000026a0| 44 45 4c 45 54 45 20 74 | 6d 70 66 69 6c 65 3b 0a |DELETE t|mpfile;.|
|000026b0| 58 0a 58 20 20 20 20 73 | 6c 65 65 70 28 32 29 3b |X.X    s|leep(2);|
|000026c0| 0a 58 7d 0a 58 0a 58 2f | 2a 0a 58 2a 2a 20 65 78 |.X}.X.X/|*.X** ex|
|000026d0| 61 6d 69 6e 65 5f 70 72 | 6f 62 6c 65 6d 20 2d 20 |amine_pr|oblem - |
|000026e0| 70 61 67 65 73 20 74 68 | 72 6f 75 67 68 20 61 20 |pages th|rough a |
|000026f0| 70 72 6f 62 6c 65 6d 20 | 69 6e 20 63 75 72 72 65 |problem |in curre|
|00002700| 6e 74 20 61 72 65 61 2e | 20 20 52 65 74 75 72 6e |nt area.|  Return|
|00002710| 73 20 6f 6e 65 0a 58 2a | 2a 20 20 20 20 20 20 20 |s one.X*|*       |
|00002720| 20 20 20 20 20 20 20 20 | 20 20 20 20 69 66 20 74 |        |    if t|
|00002730| 68 65 20 70 72 6f 62 6c | 65 6d 20 65 78 69 73 74 |he probl|em exist|
|00002740| 73 2c 20 6f 74 68 65 72 | 77 69 73 65 20 7a 65 72 |s, other|wise zer|
|00002750| 6f 2e 20 20 49 66 20 6e | 75 6d 62 65 72 20 69 73 |o.  If n|umber is|
|00002760| 0a 58 2a 2a 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X**    |        |
|00002770| 20 20 20 20 20 20 20 6e | 6f 6e 7a 65 72 6f 20 2d |       n|onzero -|
|00002780| 2d 20 69 74 20 64 65 66 | 61 75 6c 74 73 20 74 6f |- it def|aults to|
|00002790| 20 7a 65 72 6f 20 2d 2d | 2c 20 77 65 20 75 73 65 | zero --|, we use|
|000027a0| 20 74 68 61 74 20 6e 75 | 6d 62 65 72 0a 58 2a 2a | that nu|mber.X**|
|000027b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000027c0| 20 20 20 69 6e 73 74 65 | 61 64 20 6f 66 20 70 72 |   inste|ad of pr|
|000027d0| 6f 6d 70 74 69 6e 67 20 | 66 6f 72 20 6f 6e 65 2e |ompting |for one.|
|000027e0| 0a 58 2a 2f 0a 58 0a 58 | 69 6e 74 20 65 78 61 6d |.X*/.X.X|int exam|
|000027f0| 69 6e 65 5f 70 72 6f 62 | 6c 65 6d 28 63 6f 6e 73 |ine_prob|lem(cons|
|00002800| 74 20 63 68 61 72 20 2a | 6e 75 6d 62 65 72 29 0a |t char *|number).|
|00002810| 58 7b 0a 58 20 20 20 20 | 69 66 20 28 21 64 61 74 |X{.X    |if (!dat|
|00002820| 61 62 61 73 65 5f 65 78 | 69 73 74 73 28 29 29 0a |abase_ex|ists()).|
|00002830| 58 20 20 20 20 7b 0a 58 | 20 20 20 20 20 20 20 20 |X    {.X|        |
|00002840| 64 69 6e 67 28 29 3b 0a | 58 20 20 20 20 20 20 20 |ding();.|X       |
|00002850| 20 6d 65 73 73 61 67 65 | 28 22 54 68 65 72 65 20 | message|("There |
|00002860| 69 73 20 6e 6f 20 64 61 | 74 61 62 61 73 65 20 66 |is no da|tabase f|
|00002870| 6f 72 20 70 72 6f 62 6c | 65 6d 20 61 72 65 61 20 |or probl|em area |
|00002880| 60 25 27 20 22 2c 20 43 | 75 72 72 65 6e 74 41 72 |`%' ", C|urrentAr|
|00002890| 65 61 28 29 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |ea());.X|        |
|000028a0| 69 66 20 28 21 6e 75 6d | 62 65 72 29 20 73 6c 65 |if (!num|ber) sle|
|000028b0| 65 70 28 32 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |ep(2);.X|        |
|000028c0| 72 65 74 75 72 6e 20 30 | 3b 0a 58 20 20 20 20 7d |return 0|;.X    }|
|000028d0| 0a 58 0a 58 20 20 20 20 | 64 61 74 75 6d 20 6b 65 |.X.X    |datum ke|
|000028e0| 79 3b 0a 58 20 20 20 20 | 6b 65 79 2e 64 70 74 72 |y;.X    |key.dptr|
|000028f0| 20 3d 20 6e 75 6d 62 65 | 72 20 3f 20 28 63 68 61 | = numbe|r ? (cha|
|00002900| 72 20 2a 29 20 6e 75 6d | 62 65 72 20 3a 20 70 72 |r *) num|ber : pr|
|00002910| 6f 6d 70 74 28 22 50 72 | 6f 62 6c 65 6d 20 23 20 |ompt("Pr|oblem # |
|00002920| 2d 2d 3e 20 22 2c 0a 58 | 20 20 20 20 20 20 20 20 |--> ",.X|        |
|00002930| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002940| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002950| 20 20 20 20 20 20 20 20 | 20 72 65 64 69 73 70 6c |        | redispl|
|00002960| 61 79 5f 63 6f 6d 6d 61 | 6e 64 73 29 3b 20 0a 58 |ay_comma|nds); .X|
|00002970| 20 20 20 20 6b 65 79 2e | 64 73 69 7a 65 20 3d 20 |    key.|dsize = |
|00002980| 69 6e 74 28 73 74 72 6c | 65 6e 28 6b 65 79 2e 64 |int(strl|en(key.d|
|00002990| 70 74 72 29 29 20 2b 20 | 31 3b 0a 58 20 20 20 20 |ptr)) + |1;.X    |
|000029a0| 6f 70 65 6e 5f 64 61 74 | 61 62 61 73 65 28 47 44 |open_dat|abase(GD|
|000029b0| 42 4d 5f 52 45 41 44 45 | 52 29 3b 0a 58 20 20 20 |BM_READE|R);.X   |
|000029c0| 20 64 61 74 75 6d 20 64 | 61 74 61 20 3d 20 67 64 | datum d|ata = gd|
|000029d0| 62 6d 5f 66 65 74 63 68 | 28 47 64 62 6d 46 69 6c |bm_fetch|(GdbmFil|
|000029e0| 65 2c 20 6b 65 79 29 3b | 0a 58 20 20 20 20 67 64 |e, key);|.X    gd|
|000029f0| 62 6d 5f 63 6c 6f 73 65 | 28 47 64 62 6d 46 69 6c |bm_close|(GdbmFil|
|00002a00| 65 29 3b 0a 58 0a 58 20 | 20 20 20 69 66 20 28 21 |e);.X.X |   if (!|
|00002a10| 64 61 74 61 2e 64 70 74 | 72 29 0a 58 20 20 20 20 |data.dpt|r).X    |
|00002a20| 7b 0a 58 20 20 20 20 20 | 20 20 20 64 69 6e 67 28 |{.X     |   ding(|
|00002a30| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 6d 65 73 73 |);.X    |    mess|
|00002a40| 61 67 65 28 22 54 68 65 | 72 65 20 69 73 20 6e 6f |age("The|re is no|
|00002a50| 20 70 72 6f 62 6c 65 6d | 20 23 20 25 20 22 2c 20 | problem| # % ", |
|00002a60| 6b 65 79 2e 64 70 74 72 | 29 3b 0a 58 20 20 20 20 |key.dptr|);.X    |
|00002a70| 20 20 20 20 69 66 20 28 | 21 6e 75 6d 62 65 72 29 |    if (|!number)|
|00002a80| 0a 58 20 20 20 20 20 20 | 20 20 7b 0a 58 20 20 20 |.X      |  {.X   |
|00002a90| 20 20 20 20 20 20 20 20 | 20 44 45 4c 45 54 45 20 |        | DELETE |
|00002aa0| 6b 65 79 2e 64 70 74 72 | 3b 0a 58 20 20 20 20 20 |key.dptr|;.X     |
|00002ab0| 20 20 20 20 20 20 20 73 | 6c 65 65 70 28 32 29 3b |       s|leep(2);|
|00002ac0| 0a 58 20 20 20 20 20 20 | 20 20 7d 0a 58 20 20 20 |.X      |  }.X   |
|00002ad0| 20 20 20 20 20 72 65 74 | 75 72 6e 20 30 3b 0a 58 |     ret|urn 0;.X|
|00002ae0| 20 20 20 20 7d 0a 58 0a | 58 20 20 20 20 2f 2f 0a |    }.X.|X    //.|
|00002af0| 58 20 20 20 20 2f 2f 20 | 42 75 69 6c 64 20 74 6d |X    // |Build tm|
|00002b00| 70 20 66 69 6c 65 20 74 | 6f 20 70 61 73 73 20 74 |p file t|o pass t|
|00002b10| 6f 20 70 61 67 65 72 2e | 0a 58 20 20 20 20 2f 2f |o pager.|.X    //|
|00002b20| 0a 58 20 20 20 20 63 6f | 6e 73 74 20 63 68 61 72 |.X    co|nst char|
|00002b30| 20 2a 66 69 6c 65 20 3d | 20 74 65 6d 70 6f 72 61 | *file =| tempora|
|00002b40| 72 79 5f 66 69 6c 65 28 | 29 3b 0a 58 0a 58 20 20 |ry_file(|);.X.X  |
|00002b50| 20 20 2f 2f 0a 58 20 20 | 20 20 2f 2f 20 57 72 69 |  //.X  |  // Wri|
|00002b60| 74 65 20 74 68 65 20 70 | 72 6f 62 6c 65 6d 20 74 |te the p|roblem t|
|00002b70| 6f 20 74 68 65 20 66 69 | 6c 65 2e 20 20 52 65 6d |o the fi|le.  Rem|
|00002b80| 65 6d 62 65 72 20 74 68 | 61 74 20 74 68 65 20 70 |ember th|at the p|
|00002b90| 72 6f 62 6c 65 6d 20 69 | 73 0a 58 20 20 20 20 2f |roblem i|s.X    /|
|00002ba0| 2f 20 73 74 6f 72 65 64 | 20 69 6e 20 74 68 65 20 |/ stored| in the |
|00002bb0| 64 61 74 61 62 61 73 65 | 20 61 73 20 61 20 73 74 |database| as a st|
|00002bc0| 72 69 6e 67 2c 20 77 69 | 74 68 20 74 68 65 20 6e |ring, wi|th the n|
|00002bd0| 75 6c 6c 20 63 68 61 72 | 61 63 74 65 72 20 63 6f |ull char|acter co|
|00002be0| 75 6e 74 65 64 0a 58 20 | 20 20 20 2f 2f 20 61 73 |unted.X |   // as|
|00002bf0| 20 70 61 72 74 20 6f 66 | 20 69 74 73 20 6c 65 6e | part of| its len|
|00002c00| 67 74 68 2e 0a 58 20 20 | 20 20 2f 2f 0a 58 20 20 |gth..X  |  //.X  |
|00002c10| 20 20 69 6e 74 20 66 64 | 3b 0a 58 20 20 20 20 69 |  int fd|;.X    i|
|00002c20| 66 20 28 28 66 64 20 3d | 20 6f 70 65 6e 28 66 69 |f ((fd =| open(fi|
|00002c30| 6c 65 2c 20 4f 5f 52 44 | 57 52 29 29 20 3c 20 30 |le, O_RD|WR)) < 0|
|00002c40| 29 20 0a 58 20 20 20 20 | 20 20 20 20 65 72 72 6f |) .X    |    erro|
|00002c50| 72 28 22 66 69 6c 65 20 | 25 73 2c 20 6c 69 6e 65 |r("file |%s, line|
|00002c60| 20 25 64 2c 20 6f 70 65 | 6e 28 25 73 2c 20 4f 5f | %d, ope|n(%s, O_|
|00002c70| 52 44 57 52 29 20 66 61 | 69 6c 65 64 22 2c 0a 58 |RDWR) fa|iled",.X|
|00002c80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 5f 5f |        |      __|
|00002c90| 46 49 4c 45 5f 5f 2c 20 | 5f 5f 4c 49 4e 45 5f 5f |FILE__, |__LINE__|
|00002ca0| 2c 20 66 69 6c 65 29 3b | 0a 58 20 20 20 20 69 66 |, file);|.X    if|
|00002cb0| 20 28 77 72 69 74 65 28 | 66 64 2c 20 64 61 74 61 | (write(|fd, data|
|00002cc0| 2e 64 70 74 72 2c 20 64 | 61 74 61 2e 64 73 69 7a |.dptr, d|ata.dsiz|
|00002cd0| 65 20 2d 20 31 29 20 21 | 3d 20 64 61 74 61 2e 64 |e - 1) !|= data.d|
|00002ce0| 73 69 7a 65 20 2d 20 31 | 29 0a 58 20 20 20 20 20 |size - 1|).X     |
|00002cf0| 20 20 20 65 72 72 6f 72 | 28 22 66 69 6c 65 20 25 |   error|("file %|
|00002d00| 73 2c 20 6c 69 6e 65 20 | 25 64 2c 20 77 72 69 74 |s, line |%d, writ|
|00002d10| 65 28 29 20 66 61 69 6c | 65 64 22 2c 20 5f 5f 46 |e() fail|ed", __F|
|00002d20| 49 4c 45 5f 5f 2c 20 5f | 5f 4c 49 4e 45 5f 5f 29 |ILE__, _|_LINE__)|
|00002d30| 3b 0a 58 0a 58 23 69 66 | 64 65 66 20 4e 4f 4c 45 |;.X.X#if|def NOLE|
|00002d40| 53 53 0a 58 20 20 20 20 | 63 6f 6e 73 74 20 63 68 |SS.X    |const ch|
|00002d50| 61 72 20 2a 70 61 67 65 | 72 20 3d 20 67 65 74 65 |ar *page|r = gete|
|00002d60| 6e 76 28 22 50 41 47 45 | 52 22 29 3b 0a 58 20 20 |nv("PAGE|R");.X  |
|00002d70| 20 20 69 66 20 28 70 61 | 67 65 72 20 3d 3d 20 30 |  if (pa|ger == 0|
|00002d80| 29 20 70 61 67 65 72 20 | 3d 20 22 6d 6f 72 65 22 |) pager |= "more"|
|00002d90| 3b 0a 58 0a 58 20 20 20 | 20 53 74 72 69 6e 67 20 |;.X.X   | String |
|00002da0| 61 72 67 73 74 72 69 6e | 67 28 70 61 67 65 72 29 |argstrin|g(pager)|
|00002db0| 3b 0a 58 20 20 20 20 61 | 72 67 73 74 72 69 6e 67 |;.X    a|rgstring|
|00002dc0| 20 2b 3d 20 22 20 22 3b | 0a 58 20 20 20 20 61 72 | += " ";|.X    ar|
|00002dd0| 67 73 74 72 69 6e 67 20 | 2b 3d 20 66 69 6c 65 3b |gstring |+= file;|
|00002de0| 0a 58 0a 58 20 20 20 20 | 2f 2f 0a 58 20 20 20 20 |.X.X    |//.X    |
|00002df0| 2f 2f 20 57 65 20 74 6f | 6b 65 6e 69 7a 65 20 62 |// We to|kenize b|
|00002e00| 65 63 61 75 73 65 20 74 | 68 65 20 75 73 65 72 20 |ecause t|he user |
|00002e10| 63 6f 75 6c 64 20 68 61 | 76 65 20 50 41 47 45 52 |could ha|ve PAGER|
|00002e20| 0a 58 20 20 20 20 2f 2f | 20 73 65 74 20 74 6f 20 |.X    //| set to |
|00002e30| 22 6c 65 73 73 20 2d 69 | 20 2d 51 20 2d 4d 22 2c |"less -i| -Q -M",|
|00002e40| 20 77 68 69 63 68 20 65 | 78 65 63 76 70 20 77 6f | which e|xecvp wo|
|00002e50| 75 6c 64 20 6e 6f 74 0a | 58 20 20 20 20 2f 2f 20 |uld not.|X    // |
|00002e60| 72 65 63 6f 67 6e 69 7a | 65 20 61 73 20 61 20 6c |recogniz|e as a l|
|00002e70| 65 67 61 6c 20 66 69 6c | 65 6e 61 6d 65 2e 0a 58 |egal fil|ename..X|
|00002e80| 20 20 20 20 2f 2f 0a 58 | 20 20 20 20 63 6f 6e 73 |    //.X|    cons|
|00002e90| 74 20 63 68 61 72 20 2a | 2a 61 72 67 73 20 3d 20 |t char *|*args = |
|00002ea0| 74 6f 6b 65 6e 69 7a 65 | 28 61 72 67 73 74 72 69 |tokenize|(argstri|
|00002eb0| 6e 67 2c 20 22 20 5c 74 | 22 29 3b 0a 58 20 20 20 |ng, " \t|");.X   |
|00002ec0| 20 70 61 67 65 72 20 3d | 20 61 72 67 73 5b 30 5d | pager =| args[0]|
|00002ed0| 3b 0a 58 23 65 6c 73 65 | 0a 58 20 20 20 20 2f 2f |;.X#else|.X    //|
|00002ee0| 0a 58 20 20 20 20 2f 2f | 20 55 73 65 20 22 6c 65 |.X    //| Use "le|
|00002ef0| 73 73 22 2e 0a 58 20 20 | 20 20 2f 2f 0a 58 20 20 |ss"..X  |  //.X  |
|00002f00| 20 20 63 6f 6e 73 74 20 | 63 68 61 72 20 2a 70 72 |  const |char *pr|
|00002f10| 65 66 69 78 20 3d 20 22 | 2d 50 50 72 6f 62 6c 65 |efix = "|-PProble|
|00002f20| 6d 20 23 22 3b 0a 58 20 | 20 20 20 63 6f 6e 73 74 |m #";.X |   const|
|00002f30| 20 63 68 61 72 20 2a 73 | 75 66 66 69 78 20 3d 20 | char *s|uffix = |
|00002f40| 22 20 2d 2d 20 6c 69 6e | 65 20 25 6c 62 3f 4c 2f |" -- lin|e %lb?L/|
|00002f50| 25 4c 2e 20 62 79 74 65 | 20 25 62 42 3f 73 2f 25 |%L. byte| %bB?s/%|
|00002f60| 73 2e 20 3f 65 28 45 4e | 44 29 20 3a 3f 70 42 25 |s. ?e(EN|D) :?pB%|
|00002f70| 70 42 5c 5c 25 20 2e 2e | 2d 2d 20 71 20 28 71 75 |pB\\% ..|-- q (qu|
|00002f80| 69 74 29 20 48 20 28 68 | 65 6c 70 29 22 3b 0a 58 |it) H (h|elp)";.X|
|00002f90| 0a 58 20 20 20 20 53 74 | 72 69 6e 67 20 70 72 6f |.X    St|ring pro|
|00002fa0| 6d 70 74 28 70 72 65 66 | 69 78 29 3b 0a 58 20 20 |mpt(pref|ix);.X  |
|00002fb0| 20 20 70 72 6f 6d 70 74 | 20 2b 3d 20 6b 65 79 2e |  prompt| += key.|
|00002fc0| 64 70 74 72 3b 0a 58 20 | 20 20 20 70 72 6f 6d 70 |dptr;.X |   promp|
|00002fd0| 74 20 2b 3d 20 73 75 66 | 66 69 78 3b 0a 58 0a 58 |t += suf|fix;.X.X|
|00002fe0| 20 20 20 20 63 6f 6e 73 | 74 20 63 68 61 72 20 2a |    cons|t char *|
|00002ff0| 70 61 67 65 72 20 3d 20 | 22 6c 65 73 73 22 3b 0a |pager = |"less";.|
|00003000| 58 20 20 20 20 63 6f 6e | 73 74 20 63 68 61 72 20 |X    con|st char |
|00003010| 2a 61 72 67 73 5b 35 5d | 3b 0a 58 20 20 20 20 61 |*args[5]|;.X    a|
|00003020| 72 67 73 5b 30 5d 20 3d | 20 70 61 67 65 72 3b 0a |rgs[0] =| pager;.|
|00003030| 58 20 20 20 20 61 72 67 | 73 5b 31 5d 20 3d 20 22 |X    arg|s[1] = "|
|00003040| 2d 64 22 3b 0a 58 20 20 | 20 20 61 72 67 73 5b 32 |-d";.X  |  args[2|
|00003050| 5d 20 3d 20 70 72 6f 6d | 70 74 3b 0a 58 20 20 20 |] = prom|pt;.X   |
|00003060| 20 61 72 67 73 5b 33 5d | 20 3d 20 66 69 6c 65 3b | args[3]| = file;|
|00003070| 0a 58 20 20 20 20 61 72 | 67 73 5b 34 5d 20 3d 20 |.X    ar|gs[4] = |
|00003080| 30 3b 0a 58 23 65 6e 64 | 69 66 20 2f 2a 4e 4f 4c |0;.X#end|if /*NOL|
|00003090| 45 53 53 2a 2f 0a 58 0a | 58 23 69 66 64 65 66 20 |ESS*/.X.|X#ifdef |
|000030a0| 4e 4f 4c 45 53 53 0a 58 | 20 20 20 20 2f 2f 0a 58 |NOLESS.X|    //.X|
|000030b0| 20 20 20 20 2f 2f 20 57 | 65 20 70 72 6f 6d 70 74 |    // W|e prompt|
|000030c0| 20 66 6f 72 20 61 20 6b | 65 79 70 72 65 73 73 20 | for a k|eypress |
|000030d0| 62 65 66 6f 72 65 20 72 | 65 74 75 72 6e 69 6e 67 |before r|eturning|
|000030e0| 20 66 72 6f 6d 20 74 68 | 65 20 70 61 67 65 72 2c | from th|e pager,|
|000030f0| 20 73 6f 0a 58 20 20 20 | 20 2f 2f 20 74 68 61 74 | so.X   | // that|
|00003100| 20 77 65 20 64 6f 20 6e | 6f 74 20 69 6d 6d 65 64 | we do n|ot immed|
|00003110| 69 61 74 65 6c 79 20 72 | 65 74 75 72 6e 20 77 68 |iately r|eturn wh|
|00003120| 65 6e 20 77 65 20 68 69 | 74 20 6c 61 73 74 20 70 |en we hi|t last p|
|00003130| 61 67 65 2e 0a 58 20 20 | 20 20 2f 2f 20 54 68 69 |age..X  |  // Thi|
|00003140| 73 20 69 73 20 62 65 63 | 61 75 73 65 20 73 6f 6d |s is bec|ause som|
|00003150| 65 20 70 61 67 65 72 73 | 20 2d 2d 20 22 6d 6f 72 |e pagers| -- "mor|
|00003160| 65 22 20 62 65 69 6e 67 | 20 6f 6e 65 20 2d 2d 20 |e" being| one -- |
|00003170| 65 78 69 74 20 77 68 65 | 6e 0a 58 20 20 20 20 2f |exit whe|n.X    /|
|00003180| 2f 20 79 6f 75 20 67 65 | 74 20 74 6f 20 74 68 65 |/ you ge|t to the|
|00003190| 20 6c 61 73 74 20 70 61 | 67 65 2c 20 77 68 69 63 | last pa|ge, whic|
|000031a0| 68 20 6d 61 6b 65 73 20 | 70 65 72 75 73 61 6c 20 |h makes |perusal |
|000031b0| 6f 66 20 74 68 65 20 6c | 61 73 74 20 70 61 67 65 |of the l|ast page|
|000031c0| 0a 58 20 20 20 20 2f 2f | 20 64 69 66 66 69 63 75 |.X    //| difficu|
|000031d0| 6c 74 2e 20 20 57 65 20 | 64 6f 20 6e 6f 74 20 68 |lt.  We |do not h|
|000031e0| 61 76 65 20 74 6f 20 64 | 6f 20 74 68 69 73 20 77 |ave to d|o this w|
|000031f0| 69 74 68 20 22 6c 65 73 | 73 22 2c 20 73 69 6e 63 |ith "les|s", sinc|
|00003200| 65 20 69 74 20 69 73 20 | 65 78 69 74 65 64 0a 58 |e it is |exited.X|
|00003210| 20 20 20 20 2f 2f 20 64 | 65 6c 69 62 65 72 61 74 |    // d|eliberat|
|00003220| 65 6c 79 20 62 79 20 74 | 79 70 69 6e 67 20 61 20 |ely by t|yping a |
|00003230| 71 2e 0a 58 20 20 20 20 | 2f 2f 0a 58 20 20 20 20 |q..X    |//.X    |
|00003240| 69 66 20 28 21 65 78 65 | 63 75 74 65 28 70 61 67 |if (!exe|cute(pag|
|00003250| 65 72 2c 20 61 72 67 73 | 2c 20 31 29 29 0a 58 23 |er, args|, 1)).X#|
|00003260| 65 6c 73 65 0a 58 20 20 | 20 20 69 66 20 28 21 65 |else.X  |  if (!e|
|00003270| 78 65 63 75 74 65 28 70 | 61 67 65 72 2c 20 61 72 |xecute(p|ager, ar|
|00003280| 67 73 29 29 0a 58 23 65 | 6e 64 69 66 20 2f 2a 4e |gs)).X#e|ndif /*N|
|00003290| 4f 4c 45 53 53 2a 2f 0a | 58 20 20 20 20 7b 0a 58 |OLESS*/.|X    {.X|
|000032a0| 20 20 20 20 20 20 20 20 | 28 76 6f 69 64 29 75 6e |        |(void)un|
|000032b0| 6c 69 6e 6b 28 66 69 6c | 65 29 3b 0a 58 20 20 20 |link(fil|e);.X   |
|000032c0| 20 20 20 20 20 65 72 72 | 6f 72 28 22 66 69 6c 65 |     err|or("file|
|000032d0| 20 25 73 2c 20 6c 69 6e | 65 20 25 64 2c 20 70 72 | %s, lin|e %d, pr|
|000032e0| 6f 62 6c 65 6d 20 72 75 | 6e 6e 69 6e 67 20 70 61 |oblem ru|nning pa|
|000032f0| 67 65 72 3a 20 60 25 73 | 27 22 2c 0a 58 20 20 20 |ger: `%s|'",.X   |
|00003300| 20 20 20 20 20 20 20 20 | 20 20 20 5f 5f 46 49 4c |        |   __FIL|
|00003310| 45 5f 5f 2c 20 5f 5f 4c | 49 4e 45 5f 5f 2c 20 70 |E__, __L|INE__, p|
|00003320| 61 67 65 72 29 3b 0a 58 | 20 20 20 20 7d 0a 58 0a |ager);.X|    }.X.|
|00003330| 58 20 20 20 20 28 76 6f | 69 64 29 63 6c 6f 73 65 |X    (vo|id)close|
|00003340| 28 66 64 29 3b 0a 58 20 | 20 20 20 28 76 6f 69 64 |(fd);.X |   (void|
|00003350| 29 75 6e 6c 69 6e 6b 28 | 66 69 6c 65 29 3b 0a 58 |)unlink(|file);.X|
|00003360| 0a 58 20 20 20 20 75 70 | 64 61 74 65 5f 6d 6f 64 |.X    up|date_mod|
|00003370| 65 6c 69 6e 65 28 29 3b | 20 20 2f 2f 20 72 65 64 |eline();|  // red|
|00003380| 69 73 70 6c 61 79 20 70 | 72 65 76 69 6f 75 73 20 |isplay p|revious |
|00003390| 6d 6f 64 65 6c 69 6e 65 | 0a 58 0a 58 20 20 20 20 |modeline|.X.X    |
|000033a0| 66 72 65 65 28 64 61 74 | 61 2e 64 70 74 72 29 3b |free(dat|a.dptr);|
|000033b0| 0a 58 20 20 20 20 69 66 | 20 28 21 6e 75 6d 62 65 |.X    if| (!numbe|
|000033c0| 72 29 20 44 45 4c 45 54 | 45 20 6b 65 79 2e 64 70 |r) DELET|E key.dp|
|000033d0| 74 72 3b 0a 58 0a 58 20 | 20 20 20 72 65 74 75 72 |tr;.X.X |   retur|
|000033e0| 6e 20 31 3b 20 20 20 20 | 20 20 20 20 20 20 20 2f |n 1;    |       /|
|000033f0| 2f 20 6d 75 73 74 20 75 | 70 64 61 74 65 20 73 63 |/ must u|pdate sc|
|00003400| 72 65 65 6e 0a 58 7d 0a | 58 0a 58 2f 2a 0a 58 2a |reen.X}.|X.X/*.X*|
|00003410| 2a 20 73 75 6d 6d 61 72 | 79 5f 69 6e 66 6f 20 2d |* summar|y_info -|
|00003420| 20 72 65 74 75 72 6e 73 | 20 61 20 73 74 72 69 6e | returns| a strin|
|00003430| 67 20 69 6e 20 6e 65 77 | 64 20 73 70 61 63 65 20 |g in new|d space |
|00003440| 6f 66 20 74 68 65 20 66 | 6f 72 6d 3a 0a 58 2a 2a |of the f|orm:.X**|
|00003450| 0a 58 2a 2a 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X**    |        |
|00003460| 20 20 20 20 20 20 20 20 | 20 70 72 6f 62 23 20 73 |        | prob# s|
|00003470| 74 61 74 75 73 20 73 65 | 76 65 72 69 74 79 20 6c |tatus se|verity l|
|00003480| 61 73 74 2d 61 63 74 69 | 76 69 74 79 2d 64 61 74 |ast-acti|vity-dat|
|00003490| 65 20 73 75 6d 6d 61 72 | 79 0a 58 2a 2a 0a 58 2a |e summar|y.X**.X*|
|000034a0| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*       |        |
|000034b0| 20 73 6f 72 74 5f 62 79 | 5f 64 61 74 65 20 22 6b | sort_by|_date "k|
|000034c0| 6e 6f 77 73 22 20 74 68 | 65 20 66 6f 72 6d 61 74 |nows" th|e format|
|000034d0| 20 6f 66 20 74 68 65 20 | 6c 69 6e 65 73 20 6f 75 | of the |lines ou|
|000034e0| 74 70 75 74 0a 58 2a 2a | 20 20 20 20 20 20 20 20 |tput.X**|        |
|000034f0| 20 20 20 20 20 20 20 20 | 62 79 20 74 68 69 73 20 |        |by this |
|00003500| 66 75 6e 63 74 69 6f 6e | 2c 20 73 6f 20 69 66 20 |function|, so if |
|00003510| 79 6f 75 20 63 68 61 6e | 67 65 20 74 68 65 20 66 |you chan|ge the f|
|00003520| 6f 72 6d 61 74 2c 20 79 | 6f 75 20 6e 65 65 64 0a |ormat, y|ou need.|
|00003530| 58 2a 2a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |X**     |        |
|00003540| 20 20 20 74 6f 20 63 68 | 61 6e 67 65 20 73 6f 72 |   to ch|ange sor|
|00003550| 74 5f 62 79 5f 64 61 74 | 65 20 61 6c 73 6f 2e 0a |t_by_dat|e also..|
|00003560| 58 2a 2f 0a 58 0a 58 63 | 68 61 72 20 2a 73 75 6d |X*/.X.Xc|har *sum|
|00003570| 6d 61 72 79 5f 69 6e 66 | 6f 28 64 61 74 75 6d 20 |mary_inf|o(datum |
|00003580| 26 64 61 74 61 29 0a 58 | 7b 0a 58 20 20 20 20 63 |&data).X|{.X    c|
|00003590| 6f 6e 73 74 20 63 68 61 | 72 20 2a 74 61 69 6c 20 |onst cha|r *tail |
|000035a0| 3d 20 64 61 74 61 2e 64 | 70 74 72 3b 0a 58 0a 58 |= data.d|ptr;.X.X|
|000035b0| 20 20 20 20 2f 2f 0a 58 | 20 20 20 20 2f 2f 20 55 |    //.X|    // U|
|000035c0| 70 64 61 74 65 64 20 69 | 73 20 46 69 65 6c 64 73 |pdated i|s Fields|
|000035d0| 5c 5b 34 5c 5d 0a 58 20 | 20 20 20 2f 2f 0a 58 20 |\[4\].X |   //.X |
|000035e0| 20 20 20 66 6f 72 20 28 | 69 6e 74 20 69 20 3d 20 |   for (|int i = |
|000035f0| 30 3b 20 69 20 3c 20 34 | 3b 20 69 2b 2b 29 0a 58 |0; i < 4|; i++).X|
|00003600| 20 20 20 20 7b 0a 58 20 | 20 20 20 20 20 20 20 74 |    {.X |       t|
|00003610| 61 69 6c 20 3d 20 73 74 | 72 63 68 72 28 74 61 69 |ail = st|rchr(tai|
|00003620| 6c 2c 20 27 5c 6e 27 29 | 3b 0a 58 20 20 20 20 20 |l, '\n')|;.X     |
|00003630| 20 20 20 74 61 69 6c 20 | 2b 3d 20 31 3b 20 20 20 |   tail |+= 1;   |
|00003640| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 2f |        |       /|
|00003650| 2f 20 73 74 65 70 20 70 | 61 73 74 20 74 68 65 20 |/ step p|ast the |
|00003660| 6e 65 77 6c 69 6e 65 0a | 58 20 20 20 20 7d 0a 58 |newline.|X    }.X|
|00003670| 20 20 20 20 74 61 69 6c | 20 2b 3d 20 6d 61 78 5f |    tail| += max_|
|00003680| 66 69 65 6c 64 5f 6c 65 | 6e 67 74 68 28 29 20 2b |field_le|ngth() +|
|00003690| 20 31 3b 20 2f 2f 20 74 | 68 69 73 20 69 73 20 74 | 1; // t|his is t|
|000036a0| 68 65 20 55 70 64 61 74 | 65 64 20 6c 69 6e 65 0a |he Updat|ed line.|
|000036b0| 58 20 20 20 20 63 6f 6e | 73 74 20 63 68 61 72 20 |X    con|st char |
|000036c0| 2a 75 70 64 61 74 65 64 | 20 3d 20 74 61 69 6c 20 |*updated| = tail |
|000036d0| 2b 20 34 3b 20 2f 2f 20 | 64 6f 20 6e 6f 74 20 6f |+ 4; // |do not o|
|000036e0| 75 74 70 75 74 20 74 68 | 65 20 64 61 79 20 6f 66 |utput th|e day of|
|000036f0| 20 74 68 65 20 77 65 65 | 6b 0a 58 20 20 20 20 74 | the wee|k.X    t|
|00003700| 61 69 6c 20 3d 20 73 74 | 72 63 68 72 28 74 61 69 |ail = st|rchr(tai|
|00003710| 6c 2c 20 27 5c 6e 27 29 | 3b 20 20 20 20 20 20 2f |l, '\n')|;      /|
|00003720| 2f 20 65 6e 64 20 6f 66 | 20 55 70 64 61 74 65 64 |/ end of| Updated|
|00003730| 20 6c 69 6e 65 0a 58 20 | 20 20 20 69 6e 74 20 75 | line.X |   int u|
|00003740| 70 64 61 74 65 64 4c 65 | 6e 20 3d 20 74 61 69 6c |pdatedLe|n = tail|
|00003750| 20 2d 20 75 70 64 61 74 | 65 64 3b 0a 58 0a 58 20 | - updat|ed;.X.X |
|00003760| 20 20 20 2f 2f 0a 58 20 | 20 20 20 2f 2f 20 4b 65 |   //.X |   // Ke|
|00003770| 79 77 6f 72 64 73 20 69 | 73 20 46 69 65 6c 64 73 |ywords i|s Fields|
|00003780| 5c 5b 35 5c 5d 20 2d 20 | 6a 75 73 74 20 73 6b 69 |\[5\] - |just ski|
|00003790| 70 20 6f 76 65 72 20 69 | 74 20 66 6f 72 20 6e 6f |p over i|t for no|
|000037a0| 77 0a 58 20 20 20 20 2f | 2f 0a 58 20 20 20 20 74 |w.X    /|/.X    t|
|000037b0| 61 69 6c 20 2b 3d 20 31 | 3b 20 20 20 20 20 20 20 |ail += 1|;       |
|000037c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 2f |        |       /|
|000037d0| 2f 20 73 74 65 70 20 70 | 61 73 74 20 74 68 65 20 |/ step p|ast the |
|000037e0| 6e 65 77 6c 69 6e 65 0a | 58 20 20 20 20 74 61 69 |newline.|X    tai|
|000037f0| 6c 20 3d 20 73 74 72 63 | 68 72 28 74 61 69 6c 2c |l = strc|hr(tail,|
|00003800| 20 27 5c 6e 27 29 3b 20 | 20 20 20 20 20 2f 2f 20 | '\n'); |     // |
|00003810| 65 6e 64 20 6f 66 20 4b | 65 79 77 6f 72 64 73 20 |end of K|eywords |
|00003820| 6c 69 6e 65 0a 58 0a 58 | 20 20 20 20 2f 2f 0a 58 |line.X.X|    //.X|
|00003830| 20 20 20 20 2f 2f 20 53 | 75 6d 6d 61 72 79 20 69 |    // S|ummary i|
|00003840| 73 20 46 69 65 6c 64 73 | 5c 5b 36 5c 5d 0a 58 20 |s Fields|\[6\].X |
|00003850| 20 20 20 2f 2f 0a 58 20 | 20 20 20 74 61 69 6c 20 |   //.X |   tail |
|00003860| 2b 3d 20 31 3b 20 20 20 | 20 20 20 20 20 20 20 20 |+= 1;   |        |
|00003870| 20 20 20 20 20 20 20 20 | 20 20 20 2f 2f 20 73 74 |        |   // st|
|00003880| 65 70 20 70 61 73 74 20 | 74 68 65 20 6e 65 77 6c |ep past |the newl|
|00003890| 69 6e 65 0a 58 20 20 20 | 20 74 61 69 6c 20 2b 3d |ine.X   | tail +=|
|000038a0| 20 6d 61 78 5f 66 69 65 | 6c 64 5f 6c 65 6e 67 74 | max_fie|ld_lengt|
|000038b0| 68 28 29 20 2b 20 31 3b | 20 2f 2f 20 74 68 69 73 |h() + 1;| // this|
|000038c0| 20 69 73 20 74 68 65 20 | 53 75 6d 6d 61 72 79 20 | is the |Summary |
|000038d0| 6c 69 6e 65 0a 58 20 20 | 20 20 63 6f 6e 73 74 20 |line.X  |  const |
|000038e0| 63 68 61 72 20 2a 73 75 | 6d 6d 61 72 79 20 3d 20 |char *su|mmary = |
|000038f0| 74 61 69 6c 3b 0a 58 20 | 20 20 20 74 61 69 6c 20 |tail;.X |   tail |
|00003900| 3d 20 73 74 72 63 68 72 | 28 74 61 69 6c 2c 20 27 |= strchr|(tail, '|
|00003910| 5c 6e 27 29 3b 20 20 20 | 20 20 20 2f 2f 20 65 6e |\n');   |   // en|
|00003920| 64 20 6f 66 20 53 75 6d | 6d 61 72 79 20 6c 69 6e |d of Sum|mary lin|
|00003930| 65 0a 58 20 20 20 20 69 | 6e 74 20 73 75 6d 6d 61 |e.X    i|nt summa|
|00003940| 72 79 4c 65 6e 20 3d 20 | 74 61 69 6c 20 2d 20 73 |ryLen = |tail - s|
|00003950| 75 6d 6d 61 72 79 3b 0a | 58 0a 58 20 20 20 20 2f |ummary;.|X.X    /|
|00003960| 2f 0a 58 20 20 20 20 2f | 2f 20 53 74 61 74 75 73 |/.X    /|/ Status|
|00003970| 20 46 69 65 6c 64 5c 5b | 37 5c 5d 0a 58 20 20 20 | Field\[|7\].X   |
|00003980| 20 2f 2f 0a 58 20 20 20 | 20 74 61 69 6c 20 2b 3d | //.X   | tail +=|
|00003990| 20 31 3b 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | 1;     |        |
|000039a0| 20 20 20 20 20 20 20 20 | 20 2f 2f 20 73 74 65 70 |        | // step|
|000039b0| 20 70 61 73 74 20 74 68 | 65 20 6e 65 77 6c 69 6e | past th|e newlin|
|000039c0| 65 0a 58 20 20 20 20 74 | 61 69 6c 20 2b 3d 20 6d |e.X    t|ail += m|
|000039d0| 61 78 5f 66 69 65 6c 64 | 5f 6c 65 6e 67 74 68 28 |ax_field|_length(|
|000039e0| 29 20 2b 20 31 3b 20 2f | 2f 20 74 68 69 73 20 69 |) + 1; /|/ this i|
|000039f0| 73 20 74 68 65 20 53 74 | 61 74 75 73 20 6c 69 6e |s the St|atus lin|
|00003a00| 65 0a 58 20 20 20 20 63 | 6f 6e 73 74 20 63 68 61 |e.X    c|onst cha|
|00003a10| 72 20 2a 73 74 61 74 75 | 73 20 3d 20 74 61 69 6c |r *statu|s = tail|
|00003a20| 3b 0a 58 20 20 20 20 74 | 61 69 6c 20 3d 20 73 74 |;.X    t|ail = st|
|00003a30| 72 63 68 72 28 74 61 69 | 6c 2c 20 27 5c 6e 27 29 |rchr(tai|l, '\n')|
|00003a40| 3b 20 20 20 20 20 20 2f | 2f 20 65 6e 64 20 6f 66 |;      /|/ end of|
|00003a50| 20 53 74 61 74 75 73 20 | 6c 69 6e 65 0a 58 20 20 | Status |line.X  |
|00003a60| 20 20 69 6e 74 20 73 74 | 61 74 75 73 4c 65 6e 20 |  int st|atusLen |
|00003a70| 3d 20 74 61 69 6c 20 2d | 20 73 74 61 74 75 73 3b |= tail -| status;|
|00003a80| 0a 58 0a 58 20 20 20 20 | 2f 2f 0a 58 20 20 20 20 |.X.X    |//.X    |
|00003a90| 2f 2f 20 53 65 76 65 72 | 69 74 79 20 69 73 20 46 |// Sever|ity is F|
|00003aa0| 69 65 6c 64 5c 5b 39 5c | 5d 0a 58 20 20 20 20 2f |ield\[9\|].X    /|
|00003ab0| 2f 0a 58 20 20 20 20 74 | 61 69 6c 20 2b 3d 20 31 |/.X    t|ail += 1|
|00003ac0| 3b 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |;       |        |
|00003ad0| 20 20 20 20 20 20 20 2f | 2f 20 73 74 65 70 20 70 |       /|/ step p|
|00003ae0| 61 73 74 20 74 68 65 20 | 6e 65 77 6c 69 6e 65 0a |ast the |newline.|
|00003af0| 58 20 20 20 20 74 61 69 | 6c 20 3d 20 73 74 72 63 |X    tai|l = strc|
|00003b00| 68 72 28 74 61 69 6c 2c | 20 27 5c 6e 27 29 3b 20 |hr(tail,| '\n'); |
|00003b10| 20 20 20 20 20 2f 2f 20 | 65 6e 64 20 6f 66 20 53 |     // |end of S|
|00003b20| 69 74 65 20 6c 69 6e 65 | 0a 58 20 20 20 20 74 61 |ite line|.X    ta|
|00003b30| 69 6c 20 2b 3d 20 31 3b | 20 20 20 20 20 20 20 20 |il += 1;|        |
|00003b40| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2f 2f |        |      //|
|00003b50| 20 73 74 65 70 20 70 61 | 73 74 20 74 68 65 20 6e | step pa|st the n|
|00003b60| 65 77 6c 69 6e 65 0a 58 | 20 20 20 20 74 61 69 6c |ewline.X|    tail|
|00003b70| 20 2b 3d 20 6d 61 78 5f | 66 69 65 6c 64 5f 6c 65 | += max_|field_le|
|00003b80| 6e 67 74 68 28 29 20 2b | 20 31 3b 20 2f 2f 20 74 |ngth() +| 1; // t|
|00003b90| 68 69 73 20 69 73 20 74 | 68 65 20 53 65 76 65 72 |his is t|he Sever|
|00003ba0| 69 74 79 20 6c 69 6e 65 | 0a 58 20 20 20 20 63 6f |ity line|.X    co|
|00003bb0| 6e 73 74 20 63 68 61 72 | 20 73 65 76 65 72 69 74 |nst char| severit|
|00003bc0| 79 20 3d 20 2a 74 61 69 | 6c 3b 0a 58 20 20 20 20 |y = *tai|l;.X    |
|00003bd0| 74 61 69 6c 20 3d 20 73 | 74 72 63 68 72 28 74 61 |tail = s|trchr(ta|
|00003be0| 69 6c 2c 20 27 5c 6e 27 | 29 3b 20 20 20 20 20 20 |il, '\n'|);      |
|00003bf0| 2f 2f 20 65 6e 64 20 6f | 66 20 53 65 76 65 72 69 |// end o|f Severi|
|00003c00| 74 79 20 6c 69 6e 65 0a | 58 0a 58 20 20 20 20 2f |ty line.|X.X    /|
|00003c10| 2f 0a 58 20 20 20 20 2f | 2f 20 50 72 6f 62 6c 65 |/.X    /|/ Proble|
|00003c20| 6d 20 23 20 69 73 20 46 | 69 65 6c 64 73 5c 5b 31 |m # is F|ields\[1|
|00003c30| 30 5c 5d 0a 58 20 20 20 | 20 2f 2f 0a 58 20 20 20 |0\].X   | //.X   |
|00003c40| 20 74 61 69 6c 20 2b 3d | 20 31 3b 20 20 20 20 20 | tail +=| 1;     |
|00003c50| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003c60| 20 2f 2f 20 73 74 65 70 | 20 70 61 73 74 20 74 68 | // step| past th|
|00003c70| 65 20 6e 65 77 6c 69 6e | 65 0a 58 20 20 20 20 74 |e newlin|e.X    t|
|00003c80| 61 69 6c 20 2b 3d 20 6d | 61 78 5f 66 69 65 6c 64 |ail += m|ax_field|
|00003c90| 5f 6c 65 6e 67 74 68 28 | 29 20 2b 20 31 3b 20 2f |_length(|) + 1; /|
|00003ca0| 2f 20 74 68 69 73 20 69 | 73 20 74 68 65 20 70 72 |/ this i|s the pr|
|00003cb0| 6f 62 20 23 20 6c 69 6e | 65 0a 58 20 20 20 20 63 |ob # lin|e.X    c|
|00003cc0| 6f 6e 73 74 20 63 68 61 | 72 20 2a 6e 75 6d 62 65 |onst cha|r *numbe|
|00003cd0| 72 20 3d 20 74 61 69 6c | 3b 0a 58 20 20 20 20 2f |r = tail|;.X    /|
|00003ce0| 2f 0a 58 20 20 20 20 2f | 2f 20 46 69 6e 64 20 74 |/.X    /|/ Find t|
|00003cf0| 68 65 20 65 6e 64 20 6f | 66 20 74 68 65 20 70 72 |he end o|f the pr|
|00003d00| 6f 62 6c 65 6d 20 23 20 | 66 69 65 6c 64 20 2d 20 |oblem # |field - |
|00003d10| 70 72 6f 62 61 62 6c 79 | 20 63 6f 6e 74 61 69 6e |probably| contain|
|00003d20| 73 20 61 20 73 70 61 63 | 65 2e 0a 58 20 20 20 20 |s a spac|e..X    |
|00003d30| 2f 2f 0a 58 20 20 20 20 | 74 61 69 6c 20 3d 20 73 |//.X    |tail = s|
|00003d40| 74 72 63 68 72 28 74 61 | 69 6c 2c 20 27 5c 6e 27 |trchr(ta|il, '\n'|
|00003d50| 29 3b 0a 58 20 20 20 20 | 77 68 69 6c 65 20 28 2a |);.X    |while (*|
|00003d60| 28 74 61 69 6c 20 2d 20 | 31 29 20 3d 3d 20 27 20 |(tail - |1) == ' |
|00003d70| 27 29 20 74 61 69 6c 2d | 2d 3b 20 2f 2f 20 73 74 |') tail-|-; // st|
|00003d80| 72 69 70 20 6f 66 66 20 | 74 72 61 69 6c 69 6e 67 |rip off |trailing|
|00003d90| 20 73 70 61 63 65 73 0a | 58 20 20 20 20 69 6e 74 | spaces.|X    int|
|00003da0| 20 6e 75 6d 62 65 72 4c | 65 6e 20 3d 20 74 61 69 | numberL|en = tai|
|00003db0| 6c 20 2d 20 6e 75 6d 62 | 65 72 3b 0a 58 0a 58 20 |l - numb|er;.X.X |
|00003dc0| 20 20 20 63 6f 6e 73 74 | 20 69 6e 74 20 6e 75 6d |   const| int num|
|00003dd0| 62 65 72 46 69 65 6c 64 | 4c 65 6e 20 3d 20 35 3b |berField|Len = 5;|
|00003de0| 20 20 20 20 20 20 2f 2f | 20 6d 69 6e 20 77 69 64 |      //| min wid|
|00003df0| 74 68 20 6f 66 20 50 72 | 6f 62 20 23 20 66 69 65 |th of Pr|ob # fie|
|00003e00| 6c 64 20 69 6e 20 73 75 | 6d 6d 61 72 79 0a 58 20 |ld in su|mmary.X |
|00003e10| 20 20 20 69 6e 74 20 6c | 65 6e 20 3d 20 6e 75 6d |   int l|en = num|
|00003e20| 62 65 72 4c 65 6e 20 3e | 20 6e 75 6d 62 65 72 46 |berLen >| numberF|
|00003e30| 69 65 6c 64 4c 65 6e 20 | 3f 20 6e 75 6d 62 65 72 |ieldLen |? number|
|00003e40| 4c 65 6e 20 3a 20 6e 75 | 6d 62 65 72 46 69 65 6c |Len : nu|mberFiel|
|00003e50| 64 4c 65 6e 3b 0a 58 20 | 20 20 20 63 68 61 72 20 |dLen;.X |   char |
|00003e60| 2a 6c 69 6e 65 20 3d 20 | 6e 65 77 20 63 68 61 72 |*line = |new char|
|00003e70| 5b 75 70 64 61 74 65 64 | 4c 65 6e 20 2b 20 73 75 |[updated|Len + su|
|00003e80| 6d 6d 61 72 79 4c 65 6e | 20 2b 20 73 74 61 74 75 |mmaryLen| + statu|
|00003e90| 73 4c 65 6e 20 2b 20 6c | 65 6e 20 2b 20 34 5d 3b |sLen + l|en + 4];|
|00003ea0| 0a 58 0a 58 0a 58 20 20 | 20 20 2a 6c 69 6e 65 20 |.X.X.X  |  *line |
|00003eb0| 3d 20 30 3b 20 2f 2f 20 | 73 74 72 69 6e 67 69 66 |= 0; // |stringif|
|00003ec0| 79 0a 58 0a 58 20 20 20 | 20 69 66 20 28 6e 75 6d |y.X.X   | if (num|
|00003ed0| 62 65 72 4c 65 6e 20 3c | 20 6e 75 6d 62 65 72 46 |berLen <| numberF|
|00003ee0| 69 65 6c 64 4c 65 6e 29 | 20 0a 58 20 20 20 20 7b |ieldLen)| .X    {|
|00003ef0| 0a 58 20 20 20 20 20 20 | 20 20 2f 2f 0a 58 20 20 |.X      |  //.X  |
|00003f00| 20 20 20 20 20 20 2f 2f | 20 50 61 64 20 74 68 65 |      //| Pad the|
|00003f10| 20 6c 65 6e 67 74 68 20 | 74 6f 20 6e 75 6d 62 65 | length |to numbe|
|00003f20| 72 46 69 65 6c 64 4c 65 | 6e 20 62 79 20 70 72 65 |rFieldLe|n by pre|
|00003f30| 70 65 6e 64 69 6e 67 20 | 73 70 61 63 65 73 2e 0a |pending |spaces..|
|00003f40| 58 20 20 20 20 20 20 20 | 20 2f 2f 0a 58 20 20 20 |X       | //.X   |
|00003f50| 20 20 20 20 20 69 6e 74 | 20 6e 53 70 61 63 65 73 |     int| nSpaces|
|00003f60| 20 3d 20 6e 75 6d 62 65 | 72 46 69 65 6c 64 4c 65 | = numbe|rFieldLe|
|00003f70| 6e 20 2d 20 6e 75 6d 62 | 65 72 4c 65 6e 3b 0a 58 |n - numb|erLen;.X|
|00003f80| 20 20 20 20 20 20 20 20 | 66 6f 72 20 28 69 6e 74 |        |for (int|
|00003f90| 20 69 20 3d 20 30 3b 20 | 69 20 3c 20 6e 53 70 61 | i = 0; |i < nSpa|
|00003fa0| 63 65 73 3b 20 69 2b 2b | 29 0a 58 20 20 20 20 20 |ces; i++|).X     |
|00003fb0| 20 20 20 20 20 20 20 2a | 28 6c 69 6e 65 20 2b 20 |       *|(line + |
|00003fc0| 69 29 20 3d 20 27 20 27 | 3b 0a 58 20 20 20 20 20 |i) = ' '|;.X     |
|00003fd0| 20 20 20 2a 28 6c 69 6e | 65 20 2b 20 6e 53 70 61 |   *(lin|e + nSpa|
|00003fe0| 63 65 73 29 20 3d 20 30 | 3b 20 20 2f 2f 20 72 65 |ces) = 0|;  // re|
|00003ff0| 73 74 72 69 6e 67 69 66 | 79 0a 58 20 20 20 20 7d |stringif|y.X    }|
|00004000| 0a 58 20 20 20 20 20 20 | 20 20 0a 58 20 20 20 20 |.X      |  .X    |
|00004010| 28 76 6f 69 64 29 73 74 | 72 6e 63 61 74 28 6c 69 |(void)st|rncat(li|
|00004020| 6e 65 2c 20 6e 75 6d 62 | 65 72 2c 20 6e 75 6d 62 |ne, numb|er, numb|
|00004030| 65 72 4c 65 6e 29 3b 0a | 58 20 20 20 20 6c 69 6e |erLen);.|X    lin|
|00004040| 65 5b 6c 65 6e 5d 20 3d | 20 30 3b 0a 58 20 20 20 |e[len] =| 0;.X   |
|00004050| 20 28 76 6f 69 64 29 73 | 74 72 63 61 74 28 6c 69 | (void)s|trcat(li|
|00004060| 6e 65 2c 20 22 20 22 29 | 3b 0a 58 20 20 20 20 28 |ne, " ")|;.X    (|
|00004070| 76 6f 69 64 29 73 74 72 | 6e 63 61 74 28 6c 69 6e |void)str|ncat(lin|
|00004080| 65 2c 20 73 74 61 74 75 | 73 2c 20 73 74 61 74 75 |e, statu|s, statu|
|00004090| 73 4c 65 6e 29 3b 0a 58 | 20 20 20 20 6c 69 6e 65 |sLen);.X|    line|
|000040a0| 5b 6c 65 6e 20 2b 3d 20 | 73 74 61 74 75 73 4c 65 |[len += |statusLe|
|000040b0| 6e 20 2b 20 31 5d 20 3d | 20 30 3b 0a 58 0a 58 20 |n + 1] =| 0;.X.X |
|000040c0| 20 20 20 2f 2f 0a 58 20 | 20 20 20 2f 2f 20 69 66 |   //.X |   // if|
|000040d0| 20 73 74 61 74 75 73 20 | 3d 3d 20 22 6f 70 65 6e | status |== "open|
|000040e0| 22 2c 20 6f 75 74 70 75 | 74 20 74 68 65 20 73 65 |", outpu|t the se|
|000040f0| 76 65 72 69 74 79 20 61 | 6c 73 6f 0a 58 20 20 20 |verity a|lso.X   |
|00004100| 20 2f 2f 0a 58 20 20 20 | 20 69 66 20 28 6c 69 6e | //.X   | if (lin|
|00004110| 65 5b 6c 65 6e 20 2d 20 | 31 5d 20 3d 3d 20 27 20 |e[len - |1] == ' |
|00004120| 27 29 20 6c 69 6e 65 5b | 6c 65 6e 20 2d 20 31 5d |') line[|len - 1]|
|00004130| 20 3d 20 73 65 76 65 72 | 69 74 79 3b 0a 58 0a 58 | = sever|ity;.X.X|
|00004140| 20 20 20 20 28 76 6f 69 | 64 29 73 74 72 63 61 74 |    (voi|d)strcat|
|00004150| 28 6c 69 6e 65 2c 20 22 | 20 22 29 3b 0a 58 20 20 |(line, "| ");.X  |
|00004160| 20 20 28 76 6f 69 64 29 | 73 74 72 6e 63 61 74 28 |  (void)|strncat(|
|00004170| 6c 69 6e 65 2c 20 75 70 | 64 61 74 65 64 2c 20 75 |line, up|dated, u|
|00004180| 70 64 61 74 65 64 4c 65 | 6e 29 3b 0a 58 20 20 20 |pdatedLe|n);.X   |
|00004190| 20 6c 69 6e 65 5b 6c 65 | 6e 20 2b 3d 20 75 70 64 | line[le|n += upd|
|000041a0| 61 74 65 64 4c 65 6e 20 | 2b 20 31 5d 20 3d 20 30 |atedLen |+ 1] = 0|
|000041b0| 3b 0a 58 20 20 20 20 28 | 76 6f 69 64 29 73 74 72 |;.X    (|void)str|
|000041c0| 63 61 74 28 6c 69 6e 65 | 2c 20 22 20 22 29 3b 0a |cat(line|, " ");.|
|000041d0| 58 20 20 20 20 28 76 6f | 69 64 29 73 74 72 6e 63 |X    (vo|id)strnc|
|000041e0| 61 74 28 6c 69 6e 65 2c | 20 73 75 6d 6d 61 72 79 |at(line,| summary|
|000041f0| 2c 20 73 75 6d 6d 61 72 | 79 4c 65 6e 29 3b 0a 58 |, summar|yLen);.X|
|00004200| 20 20 20 20 6c 69 6e 65 | 5b 6c 65 6e 20 2b 3d 20 |    line|[len += |
|00004210| 73 75 6d 6d 61 72 79 4c | 65 6e 20 2b 20 31 5d 20 |summaryL|en + 1] |
|00004220| 3d 20 30 3b 0a 58 0a 58 | 20 20 20 20 72 65 74 75 |= 0;.X.X|    retu|
|00004230| 72 6e 20 6c 69 6e 65 3b | 0a 58 7d 0a 58 0a 58 2f |rn line;|.X}.X.X/|
|00004240| 2a 0a 58 2a 2a 20 6c 73 | 69 67 6e 20 2d 20 72 65 |*.X** ls|ign - re|
|00004250| 74 75 72 6e 73 20 2d 31 | 2c 20 30 20 6f 72 20 31 |turns -1|, 0 or 1|
|00004260| 20 64 65 70 65 6e 64 69 | 6e 67 20 6f 6e 20 74 68 | dependi|ng on th|
|00004270| 65 20 73 69 67 6e 20 6f | 66 20 74 68 65 20 61 72 |e sign o|f the ar|
|00004280| 67 75 6d 65 6e 74 0a 58 | 2a 2f 0a 58 0a 58 69 6e |gument.X|*/.X.Xin|
|00004290| 6c 69 6e 65 20 69 6e 74 | 20 6c 73 69 67 6e 28 6c |line int| lsign(l|
|000042a0| 6f 6e 67 20 61 72 67 29 | 0a 58 7b 0a 58 20 20 20 |ong arg)|.X{.X   |
|000042b0| 20 72 65 74 75 72 6e 20 | 61 72 67 20 3d 3d 20 30 | return |arg == 0|
|000042c0| 20 3f 20 30 20 3a 20 28 | 61 72 67 20 3e 20 30 20 | ? 0 : (|arg > 0 |
|000042d0| 3f 20 31 20 3a 20 2d 31 | 29 3b 0a 58 7d 0a 58 0a |? 1 : -1|);.X}.X.|
|000042e0| 58 2f 2a 0a 58 2a 2a 20 | 73 6f 72 74 5f 62 79 5f |X/*.X** |sort_by_|
|000042f0| 64 61 74 65 20 2d 20 74 | 68 65 20 63 6f 6d 70 61 |date - t|he compa|
|00004300| 72 69 73 6f 6e 20 66 75 | 6e 63 74 69 6f 6e 20 70 |rison fu|nction p|
|00004310| 61 73 73 65 64 20 74 6f | 20 71 73 6f 72 74 20 75 |assed to| qsort u|
|00004320| 73 65 64 20 77 68 65 6e | 0a 58 2a 2a 20 20 20 20 |sed when|.X**    |
|00004330| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 6f 72 74 |        |    sort|
|00004340| 69 6e 67 20 6c 69 73 74 | 69 6e 67 20 6c 69 6e 65 |ing list|ing line|
|00004350| 73 20 62 79 20 64 61 74 | 65 2e 0a 58 2a 2f 0a 58 |s by dat|e..X*/.X|
|00004360| 0a 58 73 74 61 74 69 63 | 20 69 6e 74 20 73 6f 72 |.Xstatic| int sor|
|00004370| 74 5f 62 79 5f 64 61 74 | 65 28 63 6f 6e 73 74 20 |t_by_dat|e(const |
|00004380| 76 6f 69 64 20 2a 61 2c | 20 63 6f 6e 73 74 20 76 |void *a,| const v|
|00004390| 6f 69 64 20 2a 62 29 0a | 58 7b 0a 58 20 20 20 20 |oid *b).|X{.X    |
|000043a0| 63 68 61 72 20 2a 74 6d | 70 61 20 3d 20 2a 28 63 |char *tm|pa = *(c|
|000043b0| 68 61 72 20 2a 2a 29 61 | 3b 0a 58 20 20 20 20 63 |har **)a|;.X    c|
|000043c0| 68 61 72 20 2a 74 6d 70 | 62 20 3d 20 2a 28 63 68 |har *tmp|b = *(ch|
|000043d0| 61 72 20 2a 2a 29 62 3b | 0a 58 0a 58 20 20 20 20 |ar **)b;|.X.X    |
|000043e0| 77 68 69 6c 65 20 28 2a | 74 6d 70 61 20 3d 3d 20 |while (*|tmpa == |
|000043f0| 27 20 27 29 20 74 6d 70 | 61 2b 2b 3b 20 20 20 20 |' ') tmp|a++;    |
|00004400| 20 20 20 20 2f 2f 20 73 | 74 65 70 20 6f 76 65 72 |    // s|tep over|
|00004410| 20 61 6e 79 20 73 70 61 | 63 65 73 20 70 72 65 63 | any spa|ces prec|
|00004420| 65 64 69 6e 67 20 50 72 | 6f 62 23 0a 58 20 20 20 |eding Pr|ob#.X   |
|00004430| 20 77 68 69 6c 65 20 28 | 2a 74 6d 70 62 20 3d 3d | while (|*tmpb ==|
|00004440| 20 27 20 27 29 20 74 6d | 70 62 2b 2b 3b 20 20 20 | ' ') tm|pb++;   |
|00004450| 20 20 20 20 20 2f 2f 20 | 64 69 74 74 6f 0a 58 0a |     // |ditto.X.|
|00004460| 58 20 20 20 20 74 6d 70 | 61 20 3d 20 73 74 72 63 |X    tmp|a = strc|
|00004470| 68 72 28 74 6d 70 61 2c | 20 27 20 27 29 20 2b 20 |hr(tmpa,| ' ') + |
|00004480| 31 3b 20 20 20 20 20 20 | 20 2f 2f 20 73 74 65 70 |1;      | // step|
|00004490| 20 6f 6e 74 6f 20 66 69 | 72 73 74 20 63 68 61 72 | onto fi|rst char|
|000044a0| 61 63 74 65 72 20 6f 66 | 20 53 74 61 74 75 73 0a |acter of| Status.|
|000044b0| 58 20 20 20 20 74 6d 70 | 62 20 3d 20 73 74 72 63 |X    tmp|b = strc|
|000044c0| 68 72 28 74 6d 70 62 2c | 20 27 20 27 29 20 2b 20 |hr(tmpb,| ' ') + |
|000044d0| 31 3b 20 20 20 20 20 20 | 20 2f 2f 20 64 69 74 74 |1;      | // ditt|
|000044e0| 6f 0a 58 0a 58 20 20 20 | 20 69 66 20 28 73 74 72 |o.X.X   | if (str|
|000044f0| 6e 63 6d 70 28 74 6d 70 | 61 2c 20 74 6d 70 62 2c |ncmp(tmp|a, tmpb,|
|00004500| 20 34 29 29 0a 58 20 20 | 20 20 20 20 20 20 2f 2f | 4)).X  |      //|
|00004510| 0a 58 20 20 20 20 20 20 | 20 20 2f 2f 20 53 6f 72 |.X      |  // Sor|
|00004520| 74 20 22 6f 70 65 6e 22 | 20 62 65 66 6f 72 65 20 |t "open"| before |
|00004530| 22 63 6c 6f 73 65 64 22 | 2e 0a 58 20 20 20 20 20 |"closed"|..X     |
|00004540| 20 20 20 2f 2f 0a 58 20 | 20 20 20 20 20 20 20 72 |   //.X |       r|
|00004550| 65 74 75 72 6e 20 2d 73 | 74 72 6e 63 6d 70 28 74 |eturn -s|trncmp(t|
|00004560| 6d 70 61 2c 20 74 6d 70 | 62 2c 20 34 29 3b 0a 58 |mpa, tmp|b, 4);.X|
|00004570| 20 20 20 20 65 6c 73 65 | 20 69 66 20 28 73 74 72 |    else| if (str|
|00004580| 6e 63 6d 70 28 74 6d 70 | 61 2c 20 74 6d 70 62 2c |ncmp(tmp|a, tmpb,|
|00004590| 20 36 29 29 0a 58 20 20 | 20 20 20 20 20 20 2f 2f | 6)).X  |      //|
|000045a0| 0a 58 20 20 20 20 20 20 | 20 20 2f 2f 20 53 6f 72 |.X      |  // Sor|
|000045b0| 74 20 62 79 20 73 65 76 | 65 72 69 74 79 2e 0a 58 |t by sev|erity..X|
|000045c0| 20 20 20 20 20 20 20 20 | 2f 2f 0a 58 20 20 20 20 |        |//.X    |
|000045d0| 20 20 20 20 72 65 74 75 | 72 6e 20 73 74 72 6e 63 |    retu|rn strnc|
|000045e0| 6d 70 28 74 6d 70 61 2c | 20 74 6d 70 62 2c 20 36 |mp(tmpa,| tmpb, 6|
|000045f0| 29 3b 0a 58 20 20 20 20 | 65 6c 73 65 0a 58 20 20 |);.X    |else.X  |
|00004600| 20 20 7b 0a 58 20 20 20 | 20 20 20 20 20 2f 2f 0a |  {.X   |     //.|
|00004610| 58 20 20 20 20 20 20 20 | 20 2f 2f 20 4c 61 73 74 |X       | // Last|
|00004620| 6c 79 2c 20 73 6f 72 74 | 20 62 79 20 6d 6f 73 74 |ly, sort| by most|
|00004630| 20 72 65 63 65 6e 74 20 | 66 69 72 73 74 2e 0a 58 | recent |first..X|
|00004640| 20 20 20 20 20 20 20 20 | 2f 2f 0a 58 20 20 20 20 |        |//.X    |
|00004650| 20 20 20 20 74 6d 70 61 | 20 2b 3d 20 37 3b 0a 58 |    tmpa| += 7;.X|
|00004660| 20 20 20 20 20 20 20 20 | 74 6d 70 62 20 2b 3d 20 |        |tmpb += |
|00004670| 37 3b 0a 58 20 20 20 20 | 20 20 20 20 72 65 74 75 |7;.X    |    retu|
|00004680| 72 6e 20 6c 73 69 67 6e | 28 73 65 63 6f 6e 64 73 |rn lsign|(seconds|
|00004690| 5f 69 6e 5f 64 61 74 65 | 28 74 6d 70 62 29 20 2d |_in_date|(tmpb) -|
|000046a0| 20 73 65 63 6f 6e 64 73 | 5f 69 6e 5f 64 61 74 65 | seconds|_in_date|
|000046b0| 28 74 6d 70 61 29 29 3b | 0a 58 20 20 20 20 7d 0a |(tmpa));|.X    }.|
|000046c0| 58 7d 0a 58 0a 58 2f 2a | 0a 58 2a 2a 20 76 69 65 |X}.X.X/*|.X** vie|
|000046d0| 77 5f 73 75 6d 6d 61 72 | 79 5f 6c 69 6e 65 73 20 |w_summar|y_lines |
|000046e0| 2d 20 70 61 67 65 20 74 | 68 72 6f 75 67 68 20 64 |- page t|hrough d|
|000046f0| 61 74 61 20 66 72 6f 6d | 20 70 72 6f 62 6c 65 6d |ata from| problem|
|00004700| 20 68 65 61 64 65 72 73 | 20 69 6e 20 63 75 72 72 | headers| in curr|
|00004710| 65 6e 74 20 61 72 65 61 | 2e 0a 58 2a 2a 20 20 20 |ent area|..X**   |
|00004720| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004730| 20 20 20 52 65 74 75 72 | 6e 73 20 6f 6e 65 20 69 |   Retur|ns one i|
|00004740| 66 20 74 68 65 20 64 61 | 74 61 62 61 73 65 20 65 |f the da|tabase e|
|00004750| 78 69 73 74 73 2c 20 65 | 6c 73 65 20 7a 65 72 6f |xists, e|lse zero|
|00004760| 2e 0a 58 2a 2f 0a 58 0a | 58 73 74 61 74 69 63 20 |..X*/.X.|Xstatic |
|00004770| 69 6e 74 20 76 69 65 77 | 5f 73 75 6d 6d 61 72 79 |int view|_summary|
|00004780| 5f 6c 69 6e 65 73 28 29 | 0a 58 7b 0a 58 20 20 20 |_lines()|.X{.X   |
|00004790| 20 69 66 20 28 21 64 61 | 74 61 62 61 73 65 5f 65 | if (!da|tabase_e|
|000047a0| 78 69 73 74 73 28 29 29 | 0a 58 20 20 20 20 7b 0a |xists())|.X    {.|
|000047b0| 58 20 20 20 20 20 20 20 | 20 64 69 6e 67 28 29 3b |X       | ding();|
|000047c0| 0a 58 20 20 20 20 20 20 | 20 20 6d 65 73 73 61 67 |.X      |  messag|
|000047d0| 65 28 22 54 68 65 72 65 | 20 69 73 20 6e 6f 20 64 |e("There| is no d|
|000047e0| 61 74 61 62 61 73 65 20 | 66 6f 72 20 70 72 6f 62 |atabase |for prob|
|000047f0| 6c 65 6d 20 61 72 65 61 | 20 60 25 27 20 22 2c 20 |lem area| `%' ", |
|00004800| 43 75 72 72 65 6e 74 41 | 72 65 61 28 29 29 3b 0a |CurrentA|rea());.|
|00004810| 58 20 20 20 20 20 20 20 | 20 73 6c 65 65 70 28 32 |X       | sleep(2|
|00004820| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 72 65 74 75 |);.X    |    retu|
|00004830| 72 6e 20 30 3b 0a 58 20 | 20 20 20 7d 0a 58 0a 58 |rn 0;.X |   }.X.X|
|00004840| 20 20 20 20 6f 70 65 6e | 5f 64 61 74 61 62 61 73 |    open|_databas|
|00004850| 65 28 47 44 42 4d 5f 52 | 45 41 44 45 52 29 3b 0a |e(GDBM_R|EADER);.|
|00004860| 58 20 20 20 20 64 61 74 | 75 6d 20 6b 65 79 20 3d |X    dat|um key =|
|00004870| 20 67 64 62 6d 5f 66 69 | 72 73 74 6b 65 79 28 47 | gdbm_fi|rstkey(G|
|00004880| 64 62 6d 46 69 6c 65 29 | 3b 0a 58 20 20 20 20 69 |dbmFile)|;.X    i|
|00004890| 66 20 28 21 6b 65 79 2e | 64 70 74 72 29 0a 58 20 |f (!key.|dptr).X |
|000048a0| 20 20 20 7b 0a 58 20 20 | 20 20 20 20 20 20 53 74 |   {.X  |      St|
|000048b0| 72 69 6e 67 20 6d 73 67 | 28 22 41 72 65 61 20 60 |ring msg|("Area `|
|000048c0| 22 29 3b 0a 58 20 20 20 | 20 20 20 20 20 6d 73 67 |");.X   |     msg|
|000048d0| 20 2b 3d 20 43 75 72 72 | 65 6e 74 41 72 65 61 28 | += Curr|entArea(|
|000048e0| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 6d 73 67 20 |);.X    |    msg |
|000048f0| 2b 3d 20 22 27 20 61 70 | 70 65 61 72 73 20 74 6f |+= "' ap|pears to|
|00004900| 20 62 65 20 65 6d 70 74 | 79 20 22 3b 0a 58 20 20 | be empt|y ";.X  |
|00004910| 20 20 20 20 20 20 0a 58 | 20 20 20 20 20 20 20 20 |      .X|        |
|00004920| 64 69 6e 67 28 29 3b 0a | 58 20 20 20 20 20 20 20 |ding();.|X       |
|00004930| 20 6d 65 73 73 61 67 65 | 28 6d 73 67 29 3b 0a 58 | message|(msg);.X|
|00004940| 20 20 20 20 20 20 20 20 | 73 6c 65 65 70 28 32 29 |        |sleep(2)|
|00004950| 3b 0a 58 0a 58 20 20 20 | 20 20 20 20 20 67 64 62 |;.X.X   |     gdb|
|00004960| 6d 5f 63 6c 6f 73 65 28 | 47 64 62 6d 46 69 6c 65 |m_close(|GdbmFile|
|00004970| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 72 65 74 75 |);.X    |    retu|
|00004980| 72 6e 20 30 3b 0a 58 20 | 20 20 20 7d 0a 58 0a 58 |rn 0;.X |   }.X.X|
|00004990| 20 20 20 20 44 4c 69 73 | 74 20 73 75 6d 6d 61 72 |    DLis|t summar|
|000049a0| 79 4c 69 6e 65 73 3b 20 | 20 2f 2f 20 6c 69 73 74 |yLines; | // list|
|000049b0| 69 6e 67 20 6f 66 20 70 | 72 6f 62 6c 65 6d 20 73 |ing of p|roblem s|
|000049c0| 75 6d 6d 61 72 69 65 73 | 0a 58 20 20 20 20 64 61 |ummaries|.X    da|
|000049d0| 74 75 6d 20 64 61 74 61 | 2c 20 74 6d 70 3b 0a 58 |tum data|, tmp;.X|
|000049e0| 20 20 20 20 63 6f 6e 73 | 74 20 69 6e 74 20 63 68 |    cons|t int ch|
|000049f0| 75 6e 6b 73 69 7a 65 20 | 3d 20 31 30 30 3b 0a 58 |unksize |= 100;.X|
|00004a00| 20 20 20 20 69 6e 74 20 | 73 69 7a 65 20 3d 20 63 |    int |size = c|
|00004a10| 68 75 6e 6b 73 69 7a 65 | 3b 0a 58 20 20 20 20 69 |hunksize|;.X    i|
|00004a20| 6e 74 20 70 6f 73 20 3d | 20 30 3b 0a 58 20 20 20 |nt pos =| 0;.X   |
|00004a30| 20 63 68 61 72 20 2a 2a | 6c 69 6e 65 73 20 3d 20 | char **|lines = |
|00004a40| 6e 65 77 20 63 68 61 72 | 2a 5b 73 69 7a 65 5d 3b |new char|*[size];|
|00004a50| 0a 58 0a 58 20 20 20 20 | 6d 65 73 73 61 67 65 28 |.X.X    |message(|
|00004a60| 22 52 65 61 64 69 6e 67 | 20 70 72 6f 62 6c 65 6d |"Reading| problem|
|00004a70| 73 20 2e 2e 2e 20 22 29 | 3b 0a 58 20 20 20 20 77 |s ... ")|;.X    w|
|00004a80| 68 69 6c 65 20 28 31 29 | 0a 58 20 20 20 20 7b 0a |hile (1)|.X    {.|
|00004a90| 58 20 20 20 20 20 20 20 | 20 64 61 74 61 20 3d 20 |X       | data = |
|00004aa0| 67 64 62 6d 5f 66 65 74 | 63 68 28 47 64 62 6d 46 |gdbm_fet|ch(GdbmF|
|00004ab0| 69 6c 65 2c 20 6b 65 79 | 29 3b 0a 58 20 20 20 20 |ile, key|);.X    |
|00004ac0| 20 20 20 20 6c 69 6e 65 | 73 5b 70 6f 73 2b 2b 5d |    line|s[pos++]|
|00004ad0| 20 3d 20 73 75 6d 6d 61 | 72 79 5f 69 6e 66 6f 28 | = summa|ry_info(|
|00004ae0| 64 61 74 61 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |data);.X|        |
|00004af0| 69 66 20 28 70 6f 73 20 | 3d 3d 20 73 69 7a 65 29 |if (pos |== size)|
|00004b00| 0a 58 20 20 20 20 20 20 | 20 20 7b 0a 58 20 20 20 |.X      |  {.X   |
|00004b10| 20 20 20 20 20 20 20 20 | 20 2f 2f 0a 58 20 20 20 |        | //.X   |
|00004b20| 20 20 20 20 20 20 20 20 | 20 2f 2f 20 47 72 6f 77 |        | // Grow|
|00004b30| 20 6c 69 6e 65 73 2e 0a | 58 20 20 20 20 20 20 20 | lines..|X       |
|00004b40| 20 20 20 20 20 2f 2f 0a | 58 20 20 20 20 20 20 20 |     //.|X       |
|00004b50| 20 20 20 20 20 63 68 61 | 72 20 2a 2a 6e 65 77 73 |     cha|r **news|
|00004b60| 70 61 63 65 20 3d 20 6e | 65 77 20 63 68 61 72 2a |pace = n|ew char*|
|00004b70| 5b 73 69 7a 65 20 2b 3d | 20 63 68 75 6e 6b 73 69 |[size +=| chunksi|
|00004b80| 7a 65 5d 3b 0a 58 20 20 | 20 20 20 20 20 20 20 20 |ze];.X  |        |
|00004b90| 20 20 66 6f 72 20 28 69 | 6e 74 20 69 20 3d 20 30 |  for (i|nt i = 0|
|00004ba0| 3b 20 69 20 3c 20 70 6f | 73 3b 20 69 2b 2b 29 20 |; i < po|s; i++) |
|00004bb0| 6e 65 77 73 70 61 63 65 | 5b 69 5d 20 3d 20 6c 69 |newspace|[i] = li|
|00004bc0| 6e 65 73 5b 69 5d 3b 0a | 58 20 20 20 20 20 20 20 |nes[i];.|X       |
|00004bd0| 20 20 20 20 20 44 45 4c | 45 54 45 20 6c 69 6e 65 |     DEL|ETE line|
|00004be0| 73 3b 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 |s;.X    |        |
|00004bf0| 6c 69 6e 65 73 20 3d 20 | 6e 65 77 73 70 61 63 65 |lines = |newspace|
|00004c00| 3b 0a 58 20 20 20 20 20 | 20 20 20 7d 0a 58 20 20 |;.X     |   }.X  |
|00004c10| 20 20 20 20 20 20 66 72 | 65 65 28 64 61 74 61 2e |      fr|ee(data.|
|00004c20| 64 70 74 72 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |dptr);.X|        |
|00004c30| 74 6d 70 20 3d 20 67 64 | 62 6d 5f 6e 65 78 74 6b |tmp = gd|bm_nextk|
|00004c40| 65 79 28 47 64 62 6d 46 | 69 6c 65 2c 20 6b 65 79 |ey(GdbmF|ile, key|
|00004c50| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 66 72 65 65 |);.X    |    free|
|00004c60| 28 6b 65 79 2e 64 70 74 | 72 29 3b 0a 58 20 20 20 |(key.dpt|r);.X   |
|00004c70| 20 20 20 20 20 6b 65 79 | 20 3d 20 74 6d 70 3b 0a |     key| = tmp;.|
|00004c80| 58 20 20 20 20 20 20 20 | 20 69 66 20 28 21 6b 65 |X       | if (!ke|
|00004c90| 79 2e 64 70 74 72 29 20 | 62 72 65 61 6b 3b 0a 58 |y.dptr) |break;.X|
|00004ca0| 20 20 20 20 7d 0a 58 20 | 20 20 20 67 64 62 6d 5f |    }.X |   gdbm_|
|00004cb0| 63 6c 6f 73 65 28 47 64 | 62 6d 46 69 6c 65 29 3b |close(Gd|bmFile);|
|00004cc0| 0a 58 20 20 20 20 6d 65 | 73 73 61 67 65 28 22 52 |.X    me|ssage("R|
|00004cd0| 65 61 64 69 6e 67 20 70 | 72 6f 62 6c 65 6d 73 20 |eading p|roblems |
|00004ce0| 2e 2e 2e 20 64 6f 6e 65 | 22 29 3b 0a 58 0a 58 20 |... done|");.X.X |
|00004cf0| 20 20 20 2f 2f 0a 58 20 | 20 20 20 2f 2f 20 53 6f |   //.X |   // So|
|00004d00| 72 74 20 6c 69 6e 65 73 | 20 22 6d 6f 73 74 20 72 |rt lines| "most r|
|00004d10| 65 63 65 6e 74 6c 79 20 | 75 70 64 61 74 65 64 22 |ecently |updated"|
|00004d20| 20 66 69 72 73 74 2e 0a | 58 20 20 20 20 2f 2f 0a | first..|X    //.|
|00004d30| 58 20 20 20 20 71 73 6f | 72 74 28 6c 69 6e 65 73 |X    qso|rt(lines|
|00004d40| 2c 20 70 6f 73 2c 20 73 | 69 7a 65 6f 66 28 63 68 |, pos, s|izeof(ch|
|00004d50| 61 72 2a 2a 29 2c 20 73 | 6f 72 74 5f 62 79 5f 64 |ar**), s|ort_by_d|
|00004d60| 61 74 65 29 3b 0a 58 20 | 20 20 20 66 6f 72 20 28 |ate);.X |   for (|
|00004d70| 69 6e 74 20 69 20 3d 20 | 30 3b 20 69 20 3c 20 70 |int i = |0; i < p|
|00004d80| 6f 73 3b 20 69 2b 2b 29 | 0a 58 20 20 20 20 20 20 |os; i++)|.X      |
|00004d90| 20 20 73 75 6d 6d 61 72 | 79 4c 69 6e 65 73 2e 61 |  summar|yLines.a|
|00004da0| 64 64 28 6e 65 77 20 44 | 4c 69 6e 6b 28 28 63 68 |dd(new D|Link((ch|
|00004db0| 61 72 20 2a 2a 29 26 6c | 69 6e 65 73 5b 69 5d 29 |ar **)&l|ines[i])|
|00004dc0| 29 3b 0a 58 0a 58 20 20 | 20 20 44 45 4c 45 54 45 |);.X.X  |  DELETE|
|00004dd0| 20 6c 69 6e 65 73 3b 0a | 58 0a 58 20 20 20 20 69 | lines;.|X.X    i|
|00004de0| 6e 69 74 69 61 6c 69 7a | 65 5f 6c 69 73 74 65 72 |nitializ|e_lister|
|00004df0| 28 26 73 75 6d 6d 61 72 | 79 4c 69 6e 65 73 29 3b |(&summar|yLines);|
|00004e00| 0a 58 20 20 20 20 69 6e | 69 74 69 61 6c 5f 6c 69 |.X    in|itial_li|
|00004e10| 73 74 69 6e 67 28 26 73 | 75 6d 6d 61 72 79 4c 69 |sting(&s|ummaryLi|
|00004e20| 6e 65 73 29 3b 0a 58 0a | 58 20 20 20 20 53 74 72 |nes);.X.|X    Str|
|00004e30| 69 6e 67 20 73 75 66 66 | 69 78 28 43 75 72 72 65 |ing suff|ix(Curre|
|00004e40| 6e 74 41 72 65 61 28 29 | 29 3b 0a 58 20 20 20 20 |ntArea()|);.X    |
|00004e50| 73 75 66 66 69 78 20 2b | 3d 20 22 20 2d 2d 2d 2d |suffix +|= " ----|
|00004e60| 20 71 20 28 71 75 69 74 | 29 20 48 20 28 68 65 6c | q (quit|) H (hel|
|00004e70| 70 29 22 3b 0a 58 0a 58 | 20 20 20 20 75 70 64 61 |p)";.X.X|    upda|
|00004e80| 74 65 5f 6d 6f 64 65 6c | 69 6e 65 28 4d 6f 64 65 |te_model|ine(Mode|
|00004e90| 6c 69 6e 65 50 72 65 66 | 69 78 2c 20 73 75 66 66 |linePref|ix, suff|
|00004ea0| 69 78 29 3b 0a 58 0a 58 | 20 20 20 20 73 75 6d 6d |ix);.X.X|    summ|
|00004eb0| 61 72 79 4c 69 6e 65 73 | 2e 73 61 76 65 59 58 50 |aryLines|.saveYXP|
|00004ec0| 6f 73 28 30 2c 20 67 6f | 61 6c 5f 63 6f 6c 75 6d |os(0, go|al_colum|
|00004ed0| 6e 28 26 73 75 6d 6d 61 | 72 79 4c 69 6e 65 73 29 |n(&summa|ryLines)|
|00004ee0| 29 3b 0a 58 20 20 20 20 | 69 66 20 28 73 75 6d 6d |);.X    |if (summ|
|00004ef0| 61 72 79 4c 69 6e 65 73 | 2e 63 75 72 72 4c 69 6e |aryLines|.currLin|
|00004f00| 65 28 29 2d 3e 6c 65 6e | 67 74 68 28 29 20 3e 20 |e()->len|gth() > |
|00004f10| 63 6f 6c 75 6d 6e 73 28 | 29 29 20 20 20 20 0a 58 |columns(|))    .X|
|00004f20| 20 20 20 20 20 20 20 20 | 6c 65 66 74 73 68 69 66 |        |leftshif|
|00004f30| 74 5f 63 75 72 72 65 6e | 74 5f 6c 69 6e 65 28 26 |t_curren|t_line(&|
|00004f40| 73 75 6d 6d 61 72 79 4c | 69 6e 65 73 29 3b 0a 58 |summaryL|ines);.X|
|00004f50| 20 20 20 20 65 6c 73 65 | 0a 58 20 20 20 20 20 20 |    else|.X      |
|00004f60| 20 20 6d 6f 76 65 5f 63 | 75 72 73 6f 72 28 73 75 |  move_c|ursor(su|
|00004f70| 6d 6d 61 72 79 4c 69 6e | 65 73 2e 73 61 76 65 64 |mmaryLin|es.saved|
|00004f80| 59 50 6f 73 28 29 2c 20 | 73 75 6d 6d 61 72 79 4c |YPos(), |summaryL|
|00004f90| 69 6e 65 73 2e 73 61 76 | 65 64 58 50 6f 73 28 29 |ines.sav|edXPos()|
|00004fa0| 29 3b 0a 58 20 20 20 20 | 73 79 6e 63 68 5f 64 69 |);.X    |synch_di|
|00004fb0| 73 70 6c 61 79 28 29 3b | 0a 58 0a 58 20 20 20 20 |splay();|.X.X    |
|00004fc0| 6c 69 73 74 65 72 5f 63 | 6d 64 5f 6c 6f 6f 70 28 |lister_c|md_loop(|
|00004fd0| 26 73 75 6d 6d 61 72 79 | 4c 69 6e 65 73 29 3b 0a |&summary|Lines);.|
|00004fe0| 58 0a 58 20 20 20 20 72 | 65 74 75 72 6e 20 31 3b |X.X    r|eturn 1;|
|00004ff0| 0a 58 7d 0a 58 0a 58 2f | 2a 0a 58 2a 2a 20 63 6c |.X}.X.X/|*.X** cl|
|00005000| 6f 73 65 5f 70 72 6f 62 | 6c 65 6d 20 2d 20 63 6c |ose_prob|lem - cl|
|00005010| 6f 73 65 20 61 6e 20 65 | 78 69 73 74 69 6e 67 20 |ose an e|xisting |
|00005020| 70 72 6f 62 6c 65 6d 20 | 69 6e 20 63 75 72 72 65 |problem |in curre|
|00005030| 6e 74 20 61 72 65 61 2e | 20 20 52 65 74 75 72 6e |nt area.|  Return|
|00005040| 73 20 6f 6e 65 20 69 66 | 0a 58 2a 2a 20 20 20 20 |s one if|.X**    |
|00005050| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 77 65 20 |        |     we |
|00005060| 64 69 64 20 74 68 65 20 | 63 6c 6f 73 65 2c 20 7a |did the |close, z|
|00005070| 65 72 6f 20 6f 74 68 65 | 72 77 69 73 65 2e 20 20 |ero othe|rwise.  |
|00005080| 4f 6e 6c 79 20 61 20 64 | 61 74 61 62 61 73 65 0a |Only a d|atabase.|
|00005090| 58 2a 2a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |X**     |        |
|000050a0| 20 20 20 20 61 64 6d 69 | 6e 69 73 74 72 61 74 6f |    admi|nistrato|
|000050b0| 72 20 6f 72 20 74 68 65 | 20 6f 72 69 67 69 6e 61 |r or the| origina|
|000050c0| 6c 20 6c 6f 67 67 65 72 | 20 63 61 6e 20 63 6c 6f |l logger| can clo|
|000050d0| 73 65 20 61 20 70 72 6f | 62 6c 65 6d 2e 0a 58 2a |se a pro|blem..X*|
|000050e0| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*       |        |
|000050f0| 20 20 6e 75 6d 62 65 72 | 2c 20 77 68 69 63 68 20 |  number|, which |
|00005100| 64 65 66 61 75 6c 74 73 | 20 74 6f 20 6e 75 6c 6c |defaults| to null|
|00005110| 2c 20 69 73 20 75 73 65 | 64 20 69 66 20 6e 6f 74 |, is use|d if not|
|00005120| 20 6e 75 6c 6c 2c 0a 58 | 2a 2a 20 20 20 20 20 20 | null,.X|**      |
|00005130| 20 20 20 20 20 20 20 20 | 20 20 20 69 6e 73 74 65 |        |   inste|
|00005140| 61 64 20 6f 66 20 70 72 | 6f 6d 70 74 69 6e 67 20 |ad of pr|ompting |
|00005150| 66 6f 72 20 74 68 65 20 | 6e 75 6d 62 65 72 2e 20 |for the |number. |
|00005160| 20 41 6c 73 6f 2c 20 6f | 6e 6c 79 20 61 6e 20 6f | Also, o|nly an o|
|00005170| 70 65 6e 0a 58 2a 2a 20 | 20 20 20 20 20 20 20 20 |pen.X** |        |
|00005180| 20 20 20 20 20 20 20 20 | 70 72 6f 62 6c 65 6d 20 |        |problem |
|00005190| 63 61 6e 20 62 65 20 63 | 6c 6f 73 65 64 2e 0a 58 |can be c|losed..X|
|000051a0| 2a 2f 0a 58 0a 58 69 6e | 74 20 63 6c 6f 73 65 5f |*/.X.Xin|t close_|
|000051b0| 70 72 6f 62 6c 65 6d 28 | 63 6f 6e 73 74 20 63 68 |problem(|const ch|
|000051c0| 61 72 20 2a 6e 75 6d 62 | 65 72 29 0a 58 7b 0a 58 |ar *numb|er).X{.X|
|000051d0| 20 20 20 20 69 66 20 28 | 21 64 61 74 61 62 61 73 |    if (|!databas|
|000051e0| 65 5f 65 78 69 73 74 73 | 28 29 29 0a 58 20 20 20 |e_exists|()).X   |
|000051f0| 20 7b 0a 58 20 20 20 20 | 20 20 20 20 64 69 6e 67 | {.X    |    ding|
|00005200| 28 29 3b 0a 58 20 20 20 | 20 20 20 20 20 6d 65 73 |();.X   |     mes|
|00005210| 73 61 67 65 28 22 54 68 | 65 72 65 20 69 73 20 6e |sage("Th|ere is n|
|00005220| 6f 20 64 61 74 61 62 61 | 73 65 20 66 6f 72 20 70 |o databa|se for p|
|00005230| 72 6f 62 6c 65 6d 20 61 | 72 65 61 20 60 25 27 20 |roblem a|rea `%' |
|00005240| 22 2c 20 43 75 72 72 65 | 6e 74 41 72 65 61 28 29 |", Curre|ntArea()|
|00005250| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 69 66 20 28 |);.X    |    if (|
|00005260| 21 6e 75 6d 62 65 72 29 | 20 73 6c 65 65 70 28 32 |!number)| sleep(2|
|00005270| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 72 65 74 75 |);.X    |    retu|
|00005280| 72 6e 20 30 3b 0a 58 20 | 20 20 20 7d 0a 58 20 20 |rn 0;.X |   }.X  |
|00005290| 20 20 64 61 74 75 6d 20 | 6b 65 79 3b 0a 58 20 20 |  datum |key;.X  |
|000052a0| 20 20 6b 65 79 2e 64 70 | 74 72 20 20 3d 20 6e 75 |  key.dp|tr  = nu|
|000052b0| 6d 62 65 72 20 3f 20 28 | 63 68 61 72 20 2a 29 20 |mber ? (|char *) |
|000052c0| 6e 75 6d 62 65 72 20 3a | 20 70 72 6f 6d 70 74 28 |number :| prompt(|
|000052d0| 22 50 72 6f 62 6c 65 6d | 20 23 20 2d 2d 3e 20 22 |"Problem| # --> "|
|000052e0| 2c 0a 58 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |,.X     |        |
|000052f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005300| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005310| 20 20 20 20 20 72 65 64 | 69 73 70 6c 61 79 5f 63 |     red|isplay_c|
|00005320| 6f 6d 6d 61 6e 64 73 29 | 3b 0a 58 20 20 20 20 6b |ommands)|;.X    k|
|00005330| 65 79 2e 64 73 69 7a 65 | 20 3d 20 69 6e 74 28 73 |ey.dsize| = int(s|
|00005340| 74 72 6c 65 6e 28 6b 65 | 79 2e 64 70 74 72 29 29 |trlen(ke|y.dptr))|
|00005350| 20 2b 20 31 3b 0a 58 0a | 58 20 20 20 20 6f 70 65 | + 1;.X.|X    ope|
|00005360| 6e 5f 64 61 74 61 62 61 | 73 65 28 47 44 42 4d 5f |n_databa|se(GDBM_|
|00005370| 52 45 41 44 45 52 29 3b | 0a 58 20 20 20 20 64 61 |READER);|.X    da|
|00005380| 74 75 6d 20 64 61 74 61 | 20 3d 20 67 64 62 6d 5f |tum data| = gdbm_|
|00005390| 66 65 74 63 68 28 47 64 | 62 6d 46 69 6c 65 2c 20 |fetch(Gd|bmFile, |
|000053a0| 6b 65 79 29 3b 0a 58 20 | 20 20 20 67 64 62 6d 5f |key);.X |   gdbm_|
|000053b0| 63 6c 6f 73 65 28 47 64 | 62 6d 46 69 6c 65 29 3b |close(Gd|bmFile);|
|000053c0| 0a 58 0a 58 20 20 20 20 | 69 66 20 28 21 64 61 74 |.X.X    |if (!dat|
|000053d0| 61 2e 64 70 74 72 29 0a | 58 20 20 20 20 7b 0a 58 |a.dptr).|X    {.X|
|000053e0| 20 20 20 20 20 20 20 20 | 64 69 6e 67 28 29 3b 0a |        |ding();.|
|000053f0| 58 20 20 20 20 20 20 20 | 20 6d 65 73 73 61 67 65 |X       | message|
|00005400| 28 22 54 68 65 72 65 20 | 69 73 20 6e 6f 20 70 72 |("There |is no pr|
|00005410| 6f 62 6c 65 6d 20 23 20 | 25 20 22 2c 20 6b 65 79 |oblem # |% ", key|
|00005420| 2e 64 70 74 72 29 3b 0a | 58 20 20 20 20 20 20 20 |.dptr);.|X       |
|00005430| 20 69 66 20 28 21 6e 75 | 6d 62 65 72 29 0a 58 20 | if (!nu|mber).X |
|00005440| 20 20 20 20 20 20 20 7b | 0a 58 20 20 20 20 20 20 |       {|.X      |
|00005450| 20 20 20 20 20 20 44 45 | 4c 45 54 45 20 6b 65 79 |      DE|LETE key|
|00005460| 2e 64 70 74 72 3b 0a 58 | 20 20 20 20 20 20 20 20 |.dptr;.X|        |
|00005470| 20 20 20 20 73 6c 65 65 | 70 28 32 29 3b 0a 58 20 |    slee|p(2);.X |
|00005480| 20 20 20 20 20 20 20 7d | 0a 58 20 20 20 20 20 20 |       }|.X      |
|00005490| 20 20 72 65 74 75 72 6e | 20 30 3b 0a 58 20 20 20 |  return| 0;.X   |
|000054a0| 20 7d 0a 58 0a 58 20 20 | 20 20 2f 2f 0a 58 20 20 | }.X.X  |  //.X  |
|000054b0| 20 20 2f 2f 20 41 72 65 | 20 77 65 20 61 75 74 68 |  // Are| we auth|
|000054c0| 6f 72 69 7a 65 64 20 74 | 6f 20 63 6c 6f 73 65 20 |orized t|o close |
|000054d0| 74 68 65 20 70 72 6f 62 | 6c 65 6d 3f 0a 58 20 20 |the prob|lem?.X  |
|000054e0| 20 20 2f 2f 0a 58 20 20 | 20 20 63 68 61 72 20 2a |  //.X  |  char *|
|000054f0| 74 6d 70 20 3d 20 73 74 | 72 63 68 72 28 64 61 74 |tmp = st|rchr(dat|
|00005500| 61 2e 64 70 74 72 2c 20 | 27 5c 6e 27 29 3b 20 20 |a.dptr, |'\n');  |
|00005510| 2f 2f 20 6c 6f 67 67 65 | 72 20 69 73 20 46 69 65 |// logge|r is Fie|
|00005520| 6c 64 73 5c 5b 31 5c 5d | 0a 58 20 20 20 20 74 6d |lds\[1\]|.X    tm|
|00005530| 70 20 2b 3d 20 31 3b 20 | 20 20 20 20 20 20 20 20 |p += 1; |        |
|00005540| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005550| 20 20 20 20 2f 2f 20 73 | 74 65 70 20 70 61 73 74 |    // s|tep past|
|00005560| 20 74 68 65 20 6e 65 77 | 6c 69 6e 65 0a 58 20 20 | the new|line.X  |
|00005570| 20 20 74 6d 70 20 2b 3d | 20 6d 61 78 5f 66 69 65 |  tmp +=| max_fie|
|00005580| 6c 64 5f 6c 65 6e 67 74 | 68 28 29 20 2b 20 31 3b |ld_lengt|h() + 1;|
|00005590| 20 20 20 20 20 20 20 20 | 2f 2f 20 74 68 65 20 6c |        |// the l|
|000055a0| 6f 67 67 65 72 0a 58 20 | 20 20 20 69 6e 74 20 6c |ogger.X |   int l|
|000055b0| 6c 65 6e 20 20 3d 20 73 | 74 72 63 68 72 28 74 6d |len  = s|trchr(tm|
|000055c0| 70 2c 20 27 5c 6e 27 29 | 20 2d 20 74 6d 70 3b 20 |p, '\n')| - tmp; |
|000055d0| 20 2f 2f 20 23 20 6f 66 | 20 63 68 61 72 73 20 69 | // # of| chars i|
|000055e0| 6e 20 6c 6f 67 67 65 72 | 0a 58 20 20 20 20 63 6f |n logger|.X    co|
|000055f0| 6e 73 74 20 63 68 61 72 | 20 2a 75 73 65 72 20 3d |nst char| *user =|
|00005600| 20 75 73 65 72 6e 61 6d | 65 28 29 3b 0a 58 0a 58 | usernam|e();.X.X|
|00005610| 20 20 20 20 69 66 20 28 | 28 6c 6c 65 6e 20 21 3d |    if (|(llen !=|
|00005620| 20 73 74 72 6c 65 6e 28 | 75 73 65 72 29 20 7c 7c | strlen(|user) |||
|00005630| 20 73 74 72 6e 63 6d 70 | 28 75 73 65 72 2c 20 74 | strncmp|(user, t|
|00005640| 6d 70 2c 20 6c 6c 65 6e | 29 29 20 26 26 0a 58 20 |mp, llen|)) &&.X |
|00005650| 20 20 20 20 20 20 20 67 | 65 74 75 69 64 28 29 20 |       g|etuid() |
|00005660| 21 3d 20 67 65 74 65 75 | 69 64 28 29 29 0a 58 20 |!= geteu|id()).X |
|00005670| 20 20 20 7b 0a 58 20 20 | 20 20 20 20 20 20 64 69 |   {.X  |      di|
|00005680| 6e 67 28 29 3b 0a 58 20 | 20 20 20 20 20 20 20 6d |ng();.X |       m|
|00005690| 65 73 73 61 67 65 28 22 | 59 6f 75 27 72 65 20 6e |essage("|You're n|
|000056a0| 6f 74 20 61 75 74 68 6f | 72 69 7a 65 64 20 74 6f |ot autho|rized to|
|000056b0| 20 63 6c 6f 73 65 20 70 | 72 6f 62 6c 65 6d 20 23 | close p|roblem #|
|000056c0| 20 25 20 22 2c 20 6b 65 | 79 2e 64 70 74 72 29 3b | % ", ke|y.dptr);|
|000056d0| 0a 58 20 20 20 20 20 20 | 20 20 69 66 20 28 21 6e |.X      |  if (!n|
|000056e0| 75 6d 62 65 72 29 0a 58 | 20 20 20 20 20 20 20 20 |umber).X|        |
|000056f0| 7b 0a 58 20 20 20 20 20 | 20 20 20 20 20 20 20 44 |{.X     |       D|
|00005700| 45 4c 45 54 45 20 6b 65 | 79 2e 64 70 74 72 3b 0a |ELETE ke|y.dptr;.|
|00005710| 58 20 20 20 20 20 20 20 | 20 20 20 20 20 73 6c 65 |X       |     sle|
|00005720| 65 70 28 32 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |ep(2);.X|        |
|00005730| 7d 0a 58 20 20 20 20 20 | 20 20 20 66 72 65 65 28 |}.X     |   free(|
|00005740| 64 61 74 61 2e 64 70 74 | 72 29 3b 0a 58 20 20 20 |data.dpt|r);.X   |
|00005750| 20 20 20 20 20 72 65 74 | 75 72 6e 20 30 3b 0a 58 |     ret|urn 0;.X|
|00005760| 20 20 20 20 7d 0a 58 0a | 58 20 20 20 20 2f 2f 0a |    }.X.|X    //.|
|00005770| 58 20 20 20 20 2f 2f 20 | 49 73 20 74 68 65 20 70 |X    // |Is the p|
|00005780| 72 6f 62 6c 65 6d 20 6f | 70 65 6e 3f 0a 58 20 20 |roblem o|pen?.X  |
|00005790| 20 20 2f 2f 0a 58 20 20 | 20 20 66 6f 72 20 28 69 |  //.X  |  for (i|
|000057a0| 6e 74 20 69 20 3d 20 30 | 3b 20 69 20 3c 20 36 3b |nt i = 0|; i < 6;|
|000057b0| 20 69 2b 2b 29 0a 58 20 | 20 20 20 7b 0a 58 20 20 | i++).X |   {.X  |
|000057c0| 20 20 20 20 20 20 2f 2f | 20 73 74 61 74 75 73 20 |      //| status |
|000057d0| 69 73 20 46 69 65 6c 64 | 73 5c 5b 37 5c 5d 0a 58 |is Field|s\[7\].X|
|000057e0| 20 20 20 20 20 20 20 20 | 74 6d 70 20 3d 20 73 74 |        |tmp = st|
|000057f0| 72 63 68 72 28 74 6d 70 | 2c 20 27 5c 6e 27 29 3b |rchr(tmp|, '\n');|
|00005800| 0a 58 20 20 20 20 20 20 | 20 20 74 6d 70 20 2b 3d |.X      |  tmp +=|
|00005810| 20 31 3b 20 20 2f 2f 20 | 73 74 65 70 20 70 61 73 | 1;  // |step pas|
|00005820| 74 20 6e 65 77 6c 69 6e | 65 0a 58 20 20 20 20 7d |t newlin|e.X    }|
|00005830| 0a 58 20 20 20 20 69 66 | 20 28 73 74 72 6e 63 6d |.X    if| (strncm|
|00005840| 70 28 74 6d 70 20 2b 20 | 6d 61 78 5f 66 69 65 6c |p(tmp + |max_fiel|
|00005850| 64 5f 6c 65 6e 67 74 68 | 28 29 20 2b 20 31 2c 20 |d_length|() + 1, |
|00005860| 22 6f 70 65 6e 22 2c 20 | 34 29 29 0a 58 20 20 20 |"open", |4)).X   |
|00005870| 20 7b 0a 58 20 20 20 20 | 20 20 20 20 64 69 6e 67 | {.X    |    ding|
|00005880| 28 29 3b 0a 58 20 20 20 | 20 20 20 20 20 6d 65 73 |();.X   |     mes|
|00005890| 73 61 67 65 28 22 4f 6e | 6c 79 20 6f 70 65 6e 20 |sage("On|ly open |
|000058a0| 70 72 6f 62 6c 65 6d 73 | 20 63 61 6e 20 62 65 20 |problems| can be |
|000058b0| 63 6c 6f 73 65 64 20 22 | 29 3b 0a 58 20 20 20 20 |closed "|);.X    |
|000058c0| 20 20 20 20 69 66 20 28 | 21 6e 75 6d 62 65 72 29 |    if (|!number)|
|000058d0| 0a 58 20 20 20 20 20 20 | 20 20 7b 0a 58 20 20 20 |.X      |  {.X   |
|000058e0| 20 20 20 20 20 20 20 20 | 20 44 45 4c 45 54 45 20 |        | DELETE |
|000058f0| 6b 65 79 2e 64 70 74 72 | 3b 0a 58 20 20 20 20 20 |key.dptr|;.X     |
|00005900| 20 20 20 20 20 20 20 73 | 6c 65 65 70 28 32 29 3b |       s|leep(2);|
|00005910| 0a 58 20 20 20 20 20 20 | 20 20 7d 0a 58 20 20 20 |.X      |  }.X   |
|00005920| 20 20 20 20 20 66 72 65 | 65 28 64 61 74 61 2e 64 |     fre|e(data.d|
|00005930| 70 74 72 29 3b 0a 58 20 | 20 20 20 20 20 20 20 72 |ptr);.X |       r|
|00005940| 65 74 75 72 6e 20 30 3b | 0a 58 20 20 20 20 7d 0a |eturn 0;|.X    }.|
|00005950| 58 0a 58 20 20 20 20 75 | 70 64 61 74 65 5f 65 78 |X.X    u|pdate_ex|
|00005960| 69 73 74 69 6e 67 5f 70 | 72 6f 62 6c 65 6d 28 64 |isting_p|roblem(d|
|00005970| 61 74 61 2c 20 6b 65 79 | 2c 20 43 4c 4f 53 45 44 |ata, key|, CLOSED|
|00005980| 29 3b 0a 58 20 20 20 20 | 75 70 64 61 74 65 5f 6d |);.X    |update_m|
|00005990| 6f 64 65 6c 69 6e 65 28 | 29 3b 20 20 2f 2f 20 72 |odeline(|);  // r|
|000059a0| 65 64 69 73 70 6c 61 79 | 20 70 72 65 76 69 6f 75 |edisplay| previou|
|000059b0| 73 20 6d 6f 64 65 6c 69 | 6e 65 0a 58 0a 58 20 20 |s modeli|ne.X.X  |
|000059c0| 20 20 66 72 65 65 28 64 | 61 74 61 2e 64 70 74 72 |  free(d|ata.dptr|
|000059d0| 29 3b 0a 58 20 20 20 20 | 69 66 20 28 21 6e 75 6d |);.X    |if (!num|
|000059e0| 62 65 72 29 20 44 45 4c | 45 54 45 20 6b 65 79 2e |ber) DEL|ETE key.|
|000059f0| 64 70 74 72 3b 0a 58 0a | 58 20 20 20 20 72 65 74 |dptr;.X.|X    ret|
|00005a00| 75 72 6e 20 31 3b 0a 58 | 7d 0a 58 0a 58 2f 2a 0a |urn 1;.X|}.X.X/*.|
|00005a10| 58 2a 2a 20 72 65 6f 70 | 65 6e 5f 70 72 6f 62 6c |X** reop|en_probl|
|00005a20| 65 6d 20 2d 20 72 65 6f | 70 65 6e 20 61 20 63 6c |em - reo|pen a cl|
|00005a30| 6f 73 65 64 20 70 72 6f | 62 6c 65 6d 20 69 6e 20 |osed pro|blem in |
|00005a40| 63 75 72 72 65 6e 74 20 | 61 72 65 61 2e 20 20 52 |current |area.  R|
|00005a50| 65 74 75 72 6e 73 20 6f | 6e 65 20 69 66 0a 58 2a |eturns o|ne if.X*|
|00005a60| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*       |        |
|00005a70| 20 20 20 77 65 20 64 69 | 64 20 74 68 65 20 72 65 |   we di|d the re|
|00005a80| 6f 70 65 6e 2c 20 7a 65 | 72 6f 20 6f 74 68 65 72 |open, ze|ro other|
|00005a90| 77 69 73 65 2e 20 20 4f | 6e 6c 79 20 61 20 64 61 |wise.  O|nly a da|
|00005aa0| 74 61 62 61 73 65 0a 58 | 2a 2a 20 20 20 20 20 20 |tabase.X|**      |
|00005ab0| 20 20 20 20 20 20 20 20 | 20 20 20 20 61 64 6d 69 |        |    admi|
|00005ac0| 6e 69 73 74 72 61 74 6f | 72 20 6f 72 20 74 68 65 |nistrato|r or the|
|00005ad0| 20 6f 72 69 67 69 6e 61 | 6c 20 6c 6f 67 67 65 72 | origina|l logger|
|00005ae0| 20 63 61 6e 20 72 65 6f | 70 65 6e 20 61 20 70 72 | can reo|pen a pr|
|00005af0| 6f 62 6c 65 6d 2e 0a 58 | 2a 2a 20 20 20 20 20 20 |oblem..X|**      |
|00005b00| 20 20 20 20 20 20 20 20 | 20 20 20 20 6e 75 6d 62 |        |    numb|
|00005b10| 65 72 2c 20 77 68 69 63 | 68 20 64 65 66 61 75 6c |er, whic|h defaul|
|00005b20| 74 73 20 74 6f 20 6e 75 | 6c 6c 2c 20 69 73 20 75 |ts to nu|ll, is u|
|00005b30| 73 65 64 20 69 66 20 6e | 6f 74 20 6e 75 6c 6c 2c |sed if n|ot null,|
|00005b40| 0a 58 2a 2a 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X**    |        |
|00005b50| 20 20 20 20 20 20 69 6e | 73 74 65 61 64 20 6f 66 |      in|stead of|
|00005b60| 20 70 72 6f 6d 70 74 69 | 6e 67 20 66 6f 72 20 74 | prompti|ng for t|
|00005b70| 68 65 20 6e 75 6d 62 65 | 72 2e 0a 58 2a 2f 0a 58 |he numbe|r..X*/.X|
|00005b80| 0a 58 69 6e 74 20 72 65 | 6f 70 65 6e 5f 70 72 6f |.Xint re|open_pro|
|00005b90| 62 6c 65 6d 28 63 6f 6e | 73 74 20 63 68 61 72 20 |blem(con|st char |
|00005ba0| 2a 6e 75 6d 62 65 72 29 | 0a 58 7b 0a 58 20 20 20 |*number)|.X{.X   |
|00005bb0| 20 69 66 20 28 21 64 61 | 74 61 62 61 73 65 5f 65 | if (!da|tabase_e|
|00005bc0| 78 69 73 74 73 28 29 29 | 0a 58 20 20 20 20 7b 0a |xists())|.X    {.|
|00005bd0| 58 20 20 20 20 20 20 20 | 20 64 69 6e 67 28 29 3b |X       | ding();|
|00005be0| 0a 58 20 20 20 20 20 20 | 20 20 6d 65 73 73 61 67 |.X      |  messag|
|00005bf0| 65 28 22 54 68 65 72 65 | 20 69 73 20 6e 6f 20 64 |e("There| is no d|
|00005c00| 61 74 61 62 61 73 65 20 | 66 6f 72 20 70 72 6f 62 |atabase |for prob|
|00005c10| 6c 65 6d 20 61 72 65 61 | 20 60 25 27 20 22 2c 20 |lem area| `%' ", |
|00005c20| 43 75 72 72 65 6e 74 41 | 72 65 61 28 29 29 3b 0a |CurrentA|rea());.|
|00005c30| 58 20 20 20 20 20 20 20 | 20 69 66 20 28 21 6e 75 |X       | if (!nu|
|00005c40| 6d 62 65 72 29 20 73 6c | 65 65 70 28 32 29 3b 0a |mber) sl|eep(2);.|
|00005c50| 58 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 20 |X       | return |
|00005c60| 30 3b 0a 58 20 20 20 20 | 7d 0a 58 0a 58 20 20 20 |0;.X    |}.X.X   |
|00005c70| 20 64 61 74 75 6d 20 6b | 65 79 3b 0a 58 20 20 20 | datum k|ey;.X   |
|00005c80| 20 6b 65 79 2e 64 70 74 | 72 20 20 3d 20 6e 75 6d | key.dpt|r  = num|
|00005c90| 62 65 72 20 3f 20 28 63 | 68 61 72 20 2a 29 20 6e |ber ? (c|har *) n|
|00005ca0| 75 6d 62 65 72 20 3a 20 | 70 72 6f 6d 70 74 28 22 |umber : |prompt("|
|00005cb0| 50 72 6f 62 6c 65 6d 20 | 23 20 2d 2d 3e 20 22 2c |Problem |# --> ",|
|00005cc0| 0a 58 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X      |        |
|00005cd0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005ce0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005cf0| 20 20 20 20 72 65 64 69 | 73 70 6c 61 79 5f 63 6f |    redi|splay_co|
|00005d00| 6d 6d 61 6e 64 73 29 3b | 0a 58 20 20 20 20 6b 65 |mmands);|.X    ke|
|00005d10| 79 2e 64 73 69 7a 65 20 | 3d 20 69 6e 74 28 73 74 |y.dsize |= int(st|
|00005d20| 72 6c 65 6e 28 6b 65 79 | 2e 64 70 74 72 29 29 20 |rlen(key|.dptr)) |
|00005d30| 2b 20 31 3b 0a 58 0a 58 | 20 20 20 20 6f 70 65 6e |+ 1;.X.X|    open|
|00005d40| 5f 64 61 74 61 62 61 73 | 65 28 47 44 42 4d 5f 52 |_databas|e(GDBM_R|
|00005d50| 45 41 44 45 52 29 3b 0a | 58 20 20 20 20 64 61 74 |EADER);.|X    dat|
|00005d60| 75 6d 20 64 61 74 61 20 | 3d 20 67 64 62 6d 5f 66 |um data |= gdbm_f|
|00005d70| 65 74 63 68 28 47 64 62 | 6d 46 69 6c 65 2c 20 6b |etch(Gdb|mFile, k|
|00005d80| 65 79 29 3b 0a 58 20 20 | 20 20 67 64 62 6d 5f 63 |ey);.X  |  gdbm_c|
|00005d90| 6c 6f 73 65 28 47 64 62 | 6d 46 69 6c 65 29 3b 0a |lose(Gdb|mFile);.|
|00005da0| 58 0a 58 20 20 20 20 69 | 66 20 28 21 64 61 74 61 |X.X    i|f (!data|
|00005db0| 2e 64 70 74 72 29 0a 58 | 20 20 20 20 7b 0a 58 20 |.dptr).X|    {.X |
|00005dc0| 20 20 20 20 20 20 20 64 | 69 6e 67 28 29 3b 0a 58 |       d|ing();.X|
|00005dd0| 20 20 20 20 20 20 20 20 | 6d 65 73 73 61 67 65 28 |        |message(|
|00005de0| 22 54 68 65 72 65 20 69 | 73 20 6e 6f 20 70 72 6f |"There i|s no pro|
|00005df0| 62 6c 65 6d 20 23 20 25 | 20 22 2c 20 6b 65 79 2e |blem # %| ", key.|
|00005e00| 64 70 74 72 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |dptr);.X|        |
|00005e10| 69 66 20 28 21 6e 75 6d | 62 65 72 29 0a 58 20 20 |if (!num|ber).X  |
|00005e20| 20 20 20 20 20 20 7b 0a | 58 20 20 20 20 20 20 20 |      {.|X       |
|00005e30| 20 20 20 20 20 44 45 4c | 45 54 45 20 6b 65 79 2e |     DEL|ETE key.|
|00005e40| 64 70 74 72 3b 0a 58 20 | 20 20 20 20 20 20 20 20 |dptr;.X |        |
|00005e50| 20 20 20 73 6c 65 65 70 | 28 32 29 3b 0a 58 20 20 |   sleep|(2);.X  |
|00005e60| 20 20 20 20 20 20 7d 0a | 58 20 20 20 20 20 20 20 |      }.|X       |
|00005e70| 20 72 65 74 75 72 6e 20 | 30 3b 0a 58 20 20 20 20 | return |0;.X    |
|00005e80| 7d 0a 58 0a 58 20 20 20 | 20 2f 2f 0a 58 20 20 20 |}.X.X   | //.X   |
|00005e90| 20 2f 2f 20 41 72 65 20 | 77 65 20 61 75 74 68 6f | // Are |we autho|
|00005ea0| 72 69 7a 65 64 20 74 6f | 20 72 65 6f 70 65 6e 20 |rized to| reopen |
|00005eb0| 74 68 65 20 70 72 6f 62 | 6c 65 6d 3f 0a 58 20 20 |the prob|lem?.X  |
|00005ec0| 20 20 2f 2f 0a 58 20 20 | 20 20 63 68 61 72 20 2a |  //.X  |  char *|
|00005ed0| 74 6d 70 20 3d 20 73 74 | 72 63 68 72 28 64 61 74 |tmp = st|rchr(dat|
|00005ee0| 61 2e 64 70 74 72 2c 20 | 27 5c 6e 27 29 3b 20 20 |a.dptr, |'\n');  |
|00005ef0| 2f 2f 20 6c 6f 67 67 65 | 72 20 69 73 20 46 69 65 |// logge|r is Fie|
|00005f00| 6c 64 73 5c 5b 31 5c 5d | 0a 58 20 20 20 20 74 6d |lds\[1\]|.X    tm|
|00005f10| 70 20 2b 3d 20 31 3b 20 | 20 20 20 20 20 20 20 20 |p += 1; |        |
|00005f20| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005f30| 20 20 20 20 2f 2f 20 73 | 74 65 70 20 70 61 73 74 |    // s|tep past|
|00005f40| 20 74 68 65 20 6e 65 77 | 6c 69 6e 65 0a 58 20 20 | the new|line.X  |
|00005f50| 20 20 74 6d 70 20 2b 3d | 20 6d 61 78 5f 66 69 65 |  tmp +=| max_fie|
|00005f60| 6c 64 5f 6c 65 6e 67 74 | 68 28 29 20 2b 20 31 3b |ld_lengt|h() + 1;|
|00005f70| 20 20 20 20 20 20 20 20 | 2f 2f 20 74 68 65 20 6c |        |// the l|
|00005f80| 6f 67 67 65 72 0a 58 20 | 20 20 20 69 6e 74 20 6c |ogger.X |   int l|
|00005f90| 6c 65 6e 20 20 3d 20 73 | 74 72 63 68 72 28 74 6d |len  = s|trchr(tm|
|00005fa0| 70 2c 20 27 5c 6e 27 29 | 20 2d 20 74 6d 70 3b 20 |p, '\n')| - tmp; |
|00005fb0| 20 2f 2f 20 23 20 6f 66 | 20 63 68 61 72 73 20 69 | // # of| chars i|
|00005fc0| 6e 20 6c 6f 67 67 65 72 | 0a 58 20 20 20 20 63 6f |n logger|.X    co|
|00005fd0| 6e 73 74 20 63 68 61 72 | 20 2a 75 73 65 72 20 3d |nst char| *user =|
|00005fe0| 20 75 73 65 72 6e 61 6d | 65 28 29 3b 0a 58 0a 58 | usernam|e();.X.X|
|00005ff0| 20 20 20 20 69 66 20 28 | 28 6c 6c 65 6e 20 21 3d |    if (|(llen !=|
|00006000| 20 73 74 72 6c 65 6e 28 | 75 73 65 72 29 20 7c 7c | strlen(|user) |||
|00006010| 20 73 74 72 6e 63 6d 70 | 28 75 73 65 72 2c 20 74 | strncmp|(user, t|
|00006020| 6d 70 2c 20 6c 6c 65 6e | 29 29 20 26 26 0a 58 20 |mp, llen|)) &&.X |
|00006030| 20 20 20 20 20 20 20 67 | 65 74 75 69 64 28 29 20 |       g|etuid() |
|00006040| 21 3d 20 67 65 74 65 75 | 69 64 28 29 29 0a 58 20 |!= geteu|id()).X |
|00006050| 20 20 20 7b 0a 58 20 20 | 20 20 20 20 20 20 64 69 |   {.X  |      di|
|00006060| 6e 67 28 29 3b 0a 58 20 | 20 20 20 20 20 20 20 6d |ng();.X |       m|
|00006070| 65 73 73 61 67 65 28 22 | 59 6f 75 27 72 65 20 6e |essage("|You're n|
|00006080| 6f 74 20 61 75 74 68 6f | 72 69 7a 65 64 20 74 6f |ot autho|rized to|
|00006090| 20 63 6c 6f 73 65 20 70 | 72 6f 62 6c 65 6d 20 23 | close p|roblem #|
|000060a0| 20 25 20 22 2c 20 6b 65 | 79 2e 64 70 74 72 29 3b | % ", ke|y.dptr);|
|000060b0| 0a 58 20 20 20 20 20 20 | 20 20 69 66 20 28 21 6e |.X      |  if (!n|
|000060c0| 75 6d 62 65 72 29 0a 58 | 20 20 20 20 20 20 20 20 |umber).X|        |
|000060d0| 7b 0a 58 20 20 20 20 20 | 20 20 20 20 20 20 20 44 |{.X     |       D|
|000060e0| 45 4c 45 54 45 20 6b 65 | 79 2e 64 70 74 72 3b 0a |ELETE ke|y.dptr;.|
|000060f0| 58 20 20 20 20 20 20 20 | 20 20 20 20 20 73 6c 65 |X       |     sle|
|00006100| 65 70 28 32 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |ep(2);.X|        |
|00006110| 7d 0a 58 20 20 20 20 20 | 20 20 20 66 72 65 65 28 |}.X     |   free(|
|00006120| 64 61 74 61 2e 64 70 74 | 72 29 3b 0a 58 20 20 20 |data.dpt|r);.X   |
|00006130| 20 20 20 20 20 72 65 74 | 75 72 6e 20 30 3b 0a 58 |     ret|urn 0;.X|
|00006140| 20 20 20 20 7d 0a 58 0a | 58 20 20 20 20 2f 2f 0a |    }.X.|X    //.|
|00006150| 58 20 20 20 20 2f 2f 20 | 4f 6e 6c 79 20 63 6c 6f |X    // |Only clo|
|00006160| 73 65 64 20 70 72 6f 62 | 6c 65 6d 73 20 63 61 6e |sed prob|lems can|
|00006170| 20 62 65 20 6f 70 65 6e | 65 64 2e 0a 58 20 20 20 | be open|ed..X   |
|00006180| 20 2f 2f 0a 58 20 20 20 | 20 66 6f 72 20 28 69 6e | //.X   | for (in|
|00006190| 74 20 69 20 3d 20 30 3b | 20 69 20 3c 20 36 3b 20 |t i = 0;| i < 6; |
|000061a0| 69 2b 2b 29 0a 58 20 20 | 20 20 7b 0a 58 20 20 20 |i++).X  |  {.X   |
|000061b0| 20 20 20 20 20 2f 2f 20 | 73 74 61 74 75 73 20 69 |     // |status i|
|000061c0| 73 20 46 69 65 6c 64 73 | 5c 5b 37 5c 5d 0a 58 20 |s Fields|\[7\].X |
|000061d0| 20 20 20 20 20 20 20 74 | 6d 70 20 3d 20 73 74 72 |       t|mp = str|
|000061e0| 63 68 72 28 74 6d 70 2c | 20 27 5c 6e 27 29 3b 0a |chr(tmp,| '\n');.|
|000061f0| 58 20 20 20 20 20 20 20 | 20 74 6d 70 20 2b 3d 20 |X       | tmp += |
|00006200| 31 3b 20 20 2f 2f 20 73 | 74 65 70 20 70 61 73 74 |1;  // s|tep past|
|00006210| 20 6e 65 77 6c 69 6e 65 | 0a 58 20 20 20 20 7d 0a | newline|.X    }.|
|00006220| 58 20 20 20 20 69 66 20 | 28 73 74 72 6e 63 6d 70 |X    if |(strncmp|
|00006230| 28 74 6d 70 20 2b 20 6d | 61 78 5f 66 69 65 6c 64 |(tmp + m|ax_field|
|00006240| 5f 6c 65 6e 67 74 68 28 | 29 20 2b 20 31 2c 20 22 |_length(|) + 1, "|
|00006250| 63 6c 6f 73 65 64 22 2c | 20 36 29 29 0a 58 20 20 |closed",| 6)).X  |
|00006260| 20 20 7b 0a 58 20 20 20 | 20 20 20 20 20 64 69 6e |  {.X   |     din|
|00006270| 67 28 29 3b 0a 58 20 20 | 20 20 20 20 20 20 6d 65 |g();.X  |      me|
|00006280| 73 73 61 67 65 28 22 4f | 6e 6c 79 20 63 6c 6f 73 |ssage("O|nly clos|
|00006290| 65 64 20 70 72 6f 62 6c | 65 6d 73 20 63 61 6e 20 |ed probl|ems can |
|000062a0| 62 65 20 72 65 6f 70 65 | 6e 65 64 20 22 29 3b 0a |be reope|ned ");.|
|000062b0| 58 20 20 20 20 20 20 20 | 20 69 66 20 28 21 6e 75 |X       | if (!nu|
|000062c0| 6d 62 65 72 29 0a 58 20 | 20 20 20 20 20 20 20 7b |mber).X |       {|
|000062d0| 0a 58 20 20 20 20 20 20 | 20 20 20 20 20 20 44 45 |.X      |      DE|
|000062e0| 4c 45 54 45 20 6b 65 79 | 2e 64 70 74 72 3b 0a 58 |LETE key|.dptr;.X|
|000062f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 6c 65 65 |        |    slee|
|00006300| 70 28 32 29 3b 0a 58 20 | 20 20 20 20 20 20 20 7d |p(2);.X |       }|
|00006310| 0a 58 20 20 20 20 20 20 | 20 20 66 72 65 65 28 64 |.X      |  free(d|
|00006320| 61 74 61 2e 64 70 74 72 | 29 3b 0a 58 20 20 20 20 |ata.dptr|);.X    |
|00006330| 20 20 20 20 72 65 74 75 | 72 6e 20 30 3b 0a 58 20 |    retu|rn 0;.X |
|00006340| 20 20 20 7d 0a 58 0a 58 | 20 20 20 20 75 70 64 61 |   }.X.X|    upda|
|00006350| 74 65 5f 65 78 69 73 74 | 69 6e 67 5f 70 72 6f 62 |te_exist|ing_prob|
|00006360| 6c 65 6d 28 64 61 74 61 | 2c 20 6b 65 79 2c 20 52 |lem(data|, key, R|
|00006370| 45 4f 50 45 4e 45 44 29 | 3b 0a 58 20 20 20 20 75 |EOPENED)|;.X    u|
|00006380| 70 64 61 74 65 5f 6d 6f | 64 65 6c 69 6e 65 28 29 |pdate_mo|deline()|
|00006390| 3b 20 20 2f 2f 20 72 65 | 64 69 73 70 6c 61 79 20 |;  // re|display |
|000063a0| 70 72 65 76 69 6f 75 73 | 20 6d 6f 64 65 6c 69 6e |previous| modelin|
|000063b0| 65 0a 58 0a 58 20 20 20 | 20 66 72 65 65 28 64 61 |e.X.X   | free(da|
|000063c0| 74 61 2e 64 70 74 72 29 | 3b 0a 58 20 20 20 20 69 |ta.dptr)|;.X    i|
|000063d0| 66 20 28 21 6e 75 6d 62 | 65 72 29 20 44 45 4c 45 |f (!numb|er) DELE|
|000063e0| 54 45 20 6b 65 79 2e 64 | 70 74 72 3b 0a 58 0a 58 |TE key.d|ptr;.X.X|
|000063f0| 20 20 20 20 72 65 74 75 | 72 6e 20 31 3b 0a 58 7d |    retu|rn 1;.X}|
+--------+-------------------------+-------------------------+--------+--------+