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|00000d70| 68 61 72 20 2a 63 6f 6e | 73 74 20 50 72 6f 62 6c |har *con|st Probl|
|00000d80| 65 6d 41 72 65 61 73 20 | 3d 20 22 41 52 45 41 53 |emAreas |= "AREAS|
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|00000db0| 44 4d 42 20 66 69 6c 65 | 68 61 6e 64 6c 65 20 20 |DMB file|handle  |
|00000dc0| 2d 2d 20 6f 6e 6c 79 20 | 6f 6e 65 20 6f 70 65 6e |-- only |one open|
|00000dd0| 20 47 44 42 4d 20 66 69 | 6c 65 20 61 74 20 61 20 | GDBM fi|le at a |
|00000de0| 74 69 6d 65 2e 0a 58 2f | 2f 0a 58 47 44 42 4d 5f |time..X/|/.XGDBM_|
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|00000e00| 0a 58 2f 2f 0a 58 2f 2f | 20 53 75 66 66 69 78 20 |.X//.X//| Suffix |
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|00000e20| 58 2f 2f 0a 58 63 6f 6e | 73 74 20 63 68 61 72 20 |X//.Xcon|st char |
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|00000e40| 78 20 3d 20 22 2e 67 64 | 62 6d 22 3b 0a 58 0a 58 |x = ".gd|bm";.X.X|
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|00000e90| 0a 58 63 6f 6e 73 74 20 | 63 68 61 72 20 2a 63 6f |.Xconst |char *co|
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|00000ee0| 65 73 2e 0a 58 2f 2f 0a | 58 63 6f 6e 73 74 20 63 |es..X//.|Xconst c|
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|00001590| 2d 20 6c 6f 67 20 6e 65 | 77 20 70 72 6f 62 6c 65 |- log ne|w proble|
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|00001aa0| 4c 49 4e 45 5f 5f 2c 20 | 28 63 6f 6e 73 74 20 63 |LINE__, |(const c|
|00001ab0| 68 61 72 20 2a 29 66 69 | 6c 65 6e 61 6d 65 29 3b |har *)fi|lename);|
|00001ac0| 0a 58 0a 58 20 20 20 20 | 63 6f 6e 73 74 20 69 6e |.X.X    |const in|
|00001ad0| 74 20 63 68 75 6e 6b 73 | 69 7a 65 20 3d 20 31 30 |t chunks|ize = 10|
|00001ae0| 3b 20 20 2f 2f 20 61 76 | 65 72 61 67 65 20 6e 75 |;  // av|erage nu|
|00001af0| 6d 62 65 72 20 6f 66 20 | 70 72 6f 62 6c 65 6d 20 |mber of |problem |
|00001b00| 61 72 65 61 73 20 65 78 | 70 65 63 74 65 64 0a 58 |areas ex|pected.X|
|00001b10| 20 20 20 20 63 6f 6e 73 | 74 20 69 6e 74 20 6c 69 |    cons|t int li|
|00001b20| 6e 65 6c 65 6e 20 20 20 | 3d 20 38 30 3b 20 20 2f |nelen   |= 80;  /|
|00001b30| 2f 20 61 76 65 72 61 67 | 65 20 6c 65 6e 67 74 68 |/ averag|e length|
|00001b40| 20 6f 66 20 6c 69 6e 65 | 20 69 6e 20 41 52 45 41 | of line| in AREA|
|00001b50| 53 20 65 78 70 65 63 74 | 65 64 0a 58 20 20 20 20 |S expect|ed.X    |
|00001b60| 41 72 65 61 73 20 3d 20 | 6e 65 77 20 63 68 61 72 |Areas = |new char|
|00001b70| 2a 5b 63 68 75 6e 6b 73 | 69 7a 65 5d 3b 0a 58 0a |*[chunks|ize];.X.|
|00001b80| 58 20 20 20 20 69 66 20 | 28 72 65 61 64 5f 66 69 |X    if |(read_fi|
|00001b90| 6c 65 28 66 70 2c 20 41 | 72 65 61 73 2c 20 63 68 |le(fp, A|reas, ch|
|00001ba0| 75 6e 6b 73 69 7a 65 2c | 20 6c 69 6e 65 6c 65 6e |unksize,| linelen|
|00001bb0| 29 20 3c 20 30 29 0a 58 | 20 20 20 20 20 20 20 20 |) < 0).X|        |
|00001bc0| 65 72 72 6f 72 28 22 66 | 69 6c 65 20 25 73 2c 20 |error("f|ile %s, |
|00001bd0| 6c 69 6e 65 20 25 64 2c | 20 65 72 72 6f 72 20 72 |line %d,| error r|
|00001be0| 65 61 64 69 6e 67 20 60 | 25 73 27 2e 22 2c 0a 58 |eading `|%s'.",.X|
|00001bf0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 5f 5f |        |      __|
|00001c00| 46 49 4c 45 5f 5f 2c 20 | 5f 5f 4c 49 4e 45 5f 5f |FILE__, |__LINE__|
|00001c10| 2c 20 28 63 6f 6e 73 74 | 20 63 68 61 72 20 2a 29 |, (const| char *)|
|00001c20| 66 69 6c 65 6e 61 6d 65 | 29 3b 0a 58 20 20 20 20 |filename|);.X    |
|00001c30| 28 76 6f 69 64 29 66 63 | 6c 6f 73 65 28 66 70 29 |(void)fc|lose(fp)|
|00001c40| 3b 0a 58 0a 58 20 20 20 | 20 72 65 74 75 72 6e 20 |;.X.X   | return |
|00001c50| 28 63 6f 6e 73 74 20 63 | 68 61 72 20 2a 2a 29 41 |(const c|har **)A|
|00001c60| 72 65 61 73 3b 0a 58 7d | 0a 58 0a 58 2f 2a 0a 58 |reas;.X}|.X.X/*.X|
|00001c70| 2a 2a 20 69 73 5f 61 72 | 65 61 20 2d 20 69 73 20 |** is_ar|ea - is |
|00001c80| 61 72 65 61 20 61 20 76 | 61 6c 69 64 20 70 72 6f |area a v|alid pro|
|00001c90| 62 6c 65 6d 20 61 72 65 | 61 3f 20 52 65 74 75 72 |blem are|a? Retur|
|00001ca0| 6e 73 20 31 20 69 66 20 | 74 72 75 65 2c 20 65 6c |ns 1 if |true, el|
|00001cb0| 73 65 20 30 2e 0a 58 2a | 2f 0a 58 0a 58 69 6e 74 |se 0..X*|/.X.Xint|
|00001cc0| 20 69 73 5f 61 72 65 61 | 28 63 6f 6e 73 74 20 63 | is_area|(const c|
|00001cd0| 68 61 72 20 2a 61 72 65 | 61 29 0a 58 7b 0a 58 20 |har *are|a).X{.X |
|00001ce0| 20 20 20 63 6f 6e 73 74 | 20 63 68 61 72 20 2a 2a |   const| char **|
|00001cf0| 61 72 65 61 73 20 3d 20 | 67 65 74 5f 70 72 6f 62 |areas = |get_prob|
|00001d00| 6c 65 6d 5f 61 72 65 61 | 73 28 29 3b 0a 58 0a 58 |lem_area|s();.X.X|
|00001d10| 20 20 20 20 66 6f 72 20 | 28 69 6e 74 20 69 20 3d |    for |(int i =|
|00001d20| 20 30 3b 20 61 72 65 61 | 73 5b 69 5d 3b 20 69 2b | 0; area|s[i]; i+|
|00001d30| 2b 29 0a 58 20 20 20 20 | 7b 0a 58 20 20 20 20 20 |+).X    |{.X     |
|00001d40| 20 20 20 63 6f 6e 73 74 | 20 63 68 61 72 20 2a 73 |   const| char *s|
|00001d50| 70 61 63 65 20 3d 20 73 | 74 72 63 68 72 28 61 72 |pace = s|trchr(ar|
|00001d60| 65 61 73 5b 69 5d 2c 27 | 20 27 29 3b 0a 58 20 20 |eas[i],'| ');.X  |
|00001d70| 20 20 20 20 20 20 69 6e | 74 20 6c 65 6e 67 74 68 |      in|t length|
|00001d80| 20 3d 20 73 70 61 63 65 | 20 3f 20 73 70 61 63 65 | = space| ? space|
|00001d90| 20 2d 20 61 72 65 61 73 | 5b 69 5d 20 2d 20 31 20 | - areas|[i] - 1 |
|00001da0| 3a 20 28 69 6e 74 29 73 | 74 72 6c 65 6e 28 61 72 |: (int)s|trlen(ar|
|00001db0| 65 61 73 5b 69 5d 29 3b | 0a 58 20 20 20 20 20 20 |eas[i]);|.X      |
|00001dc0| 20 20 69 66 20 28 73 74 | 72 6e 63 6d 70 28 61 72 |  if (st|rncmp(ar|
|00001dd0| 65 61 2c 20 61 72 65 61 | 73 5b 69 5d 2c 20 6c 65 |ea, area|s[i], le|
|00001de0| 6e 67 74 68 29 20 3d 3d | 20 30 29 20 72 65 74 75 |ngth) ==| 0) retu|
|00001df0| 72 6e 20 31 3b 0a 58 20 | 20 20 20 7d 0a 58 0a 58 |rn 1;.X |   }.X.X|
|00001e00| 20 20 20 20 72 65 74 75 | 72 6e 20 30 3b 0a 58 7d |    retu|rn 0;.X}|
|00001e10| 0a 58 0a 58 2f 2a 0a 58 | 2a 2a 20 4e 41 72 65 61 |.X.X/*.X|** NArea|
|00001e20| 73 20 2d 20 74 68 65 20 | 6e 75 6d 62 65 72 20 6f |s - the |number o|
|00001e30| 66 20 61 72 65 61 73 0a | 58 2a 2f 0a 58 0a 58 73 |f areas.|X*/.X.Xs|
|00001e40| 74 61 74 69 63 20 69 6e | 74 20 4e 41 72 65 61 73 |tatic in|t NAreas|
|00001e50| 28 29 0a 58 7b 0a 58 20 | 20 20 20 73 74 61 74 69 |().X{.X |   stati|
|00001e60| 63 20 69 6e 74 20 6e 41 | 72 65 61 73 3b 0a 58 20 |c int nA|reas;.X |
|00001e70| 20 20 20 69 66 20 28 21 | 6e 41 72 65 61 73 29 0a |   if (!|nAreas).|
|00001e80| 58 20 20 20 20 7b 0a 58 | 20 20 20 20 20 20 20 20 |X    {.X|        |
|00001e90| 63 6f 6e 73 74 20 63 68 | 61 72 20 2a 2a 61 72 65 |const ch|ar **are|
|00001ea0| 61 73 20 3d 20 67 65 74 | 5f 70 72 6f 62 6c 65 6d |as = get|_problem|
|00001eb0| 5f 61 72 65 61 73 28 29 | 3b 0a 58 20 20 20 20 20 |_areas()|;.X     |
|00001ec0| 20 20 20 66 6f 72 20 28 | 69 6e 74 20 69 20 3d 20 |   for (|int i = |
|00001ed0| 30 3b 20 61 72 65 61 73 | 5b 69 5d 3b 20 69 2b 2b |0; areas|[i]; i++|
|00001ee0| 29 20 3b 0a 58 20 20 20 | 20 20 20 20 20 6e 41 72 |) ;.X   |     nAr|
|00001ef0| 65 61 73 20 3d 20 69 3b | 0a 58 20 20 20 20 7d 0a |eas = i;|.X    }.|
|00001f00| 58 20 20 20 20 72 65 74 | 75 72 6e 20 6e 41 72 65 |X    ret|urn nAre|
|00001f10| 61 73 3b 0a 58 7d 0a 58 | 0a 58 2f 2a 0a 58 2a 2a |as;.X}.X|.X/*.X**|
|00001f20| 20 64 69 73 70 6c 61 79 | 5f 61 72 65 61 5f 73 63 | display|_area_sc|
|00001f30| 72 65 65 6e 20 2d 20 64 | 69 73 70 6c 61 79 73 20 |reen - d|isplays |
|00001f40| 74 68 65 20 73 63 72 65 | 65 6e 20 6f 66 20 61 76 |the scre|en of av|
|00001f50| 61 69 6c 61 62 6c 65 20 | 61 72 65 61 73 2e 0a 58 |ailable |areas..X|
|00001f60| 2a 2a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |**      |        |
|00001f70| 20 20 20 20 20 20 20 20 | 20 57 65 20 61 73 73 75 |        | We assu|
|00001f80| 6d 65 20 74 68 61 74 20 | 74 68 65 20 63 61 6c 6c |me that |the call|
|00001f90| 65 72 20 77 69 6c 6c 20 | 64 69 73 70 6c 61 79 20 |er will |display |
|00001fa0| 74 68 65 20 6d 6f 64 65 | 6c 69 6e 65 2e 0a 58 2a |the mode|line..X*|
|00001fb0| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*       |        |
|00001fc0| 20 20 20 20 20 20 20 20 | 4e 65 65 64 73 20 61 74 |        |Needs at|
|00001fd0| 20 6c 65 61 73 74 20 66 | 6f 75 72 20 72 6f 77 73 | least f|our rows|
|00001fe0| 20 74 6f 20 62 65 20 75 | 73 65 66 75 6c 2e 0a 58 | to be u|seful..X|
|00001ff0| 2a 2f 0a 58 0a 58 73 74 | 61 74 69 63 20 76 6f 69 |*/.X.Xst|atic voi|
|00002000| 64 20 64 69 73 70 6c 61 | 79 5f 61 72 65 61 5f 73 |d displa|y_area_s|
|00002010| 63 72 65 65 6e 28 29 0a | 58 7b 0a 58 20 20 20 20 |creen().|X{.X    |
|00002020| 63 6c 65 61 72 5f 64 69 | 73 70 6c 61 79 5f 61 72 |clear_di|splay_ar|
|00002030| 65 61 28 29 3b 0a 58 0a | 58 20 20 20 20 63 6f 6e |ea();.X.|X    con|
|00002040| 73 74 20 63 68 61 72 20 | 2a 2a 61 72 65 61 73 20 |st char |**areas |
|00002050| 3d 20 67 65 74 5f 70 72 | 6f 62 6c 65 6d 5f 61 72 |= get_pr|oblem_ar|
|00002060| 65 61 73 28 29 3b 0a 58 | 20 20 20 20 65 6e 74 65 |eas();.X|    ente|
|00002070| 72 5f 73 74 61 6e 64 6f | 75 74 5f 6d 6f 64 65 28 |r_stando|ut_mode(|
|00002080| 29 3b 0a 58 0a 58 20 20 | 20 20 2f 2f 0a 58 20 20 |);.X.X  |  //.X  |
|00002090| 20 20 2f 2f 20 49 66 20 | 77 65 20 68 61 76 65 20 |  // If |we have |
|000020a0| 65 6e 6f 75 67 68 20 61 | 76 61 69 6c 61 62 6c 65 |enough a|vailable|
|000020b0| 20 73 63 72 65 65 6e 20 | 6c 69 6e 65 73 2c 20 77 | screen |lines, w|
|000020c0| 65 20 64 69 73 70 6c 61 | 79 20 74 68 65 20 61 72 |e displa|y the ar|
|000020d0| 65 61 73 0a 58 20 20 20 | 20 2f 2f 20 6f 6e 65 20 |eas.X   | // one |
|000020e0| 70 65 72 20 6c 69 6e 65 | 2e 20 20 4f 74 68 65 72 |per line|.  Other|
|000020f0| 77 69 73 65 2c 20 77 65 | 20 64 69 73 70 6c 61 79 |wise, we| display|
|00002100| 20 74 68 65 6d 20 69 6e | 20 63 6f 6c 75 6d 6e 73 | them in| columns|
|00002110| 20 6f 66 20 75 70 20 74 | 6f 0a 58 20 20 20 20 2f | of up t|o.X    /|
|00002120| 2f 20 63 6f 6c 75 6d 6e | 5f 77 69 64 74 68 20 63 |/ column|_width c|
|00002130| 68 61 72 61 63 74 65 72 | 73 2e 0a 58 20 20 20 20 |haracter|s..X    |
|00002140| 2f 2f 0a 58 20 20 20 20 | 63 6f 6e 73 74 20 69 6e |//.X    |const in|
|00002150| 74 20 63 6f 6c 75 6d 6e | 5f 77 69 64 74 68 20 3d |t column|_width =|
|00002160| 20 32 35 3b 20 20 20 20 | 20 20 20 20 20 20 20 2f | 25;    |       /|
|00002170| 2f 20 73 70 61 63 65 20 | 61 6c 6c 6f 77 65 64 20 |/ space |allowed |
|00002180| 66 6f 72 20 65 61 63 68 | 20 61 72 65 61 0a 58 20 |for each| area.X |
|00002190| 20 20 20 69 6e 74 20 64 | 76 64 20 3d 20 63 6f 6c |   int d|vd = col|
|000021a0| 75 6d 6e 73 28 29 20 2f | 20 63 6f 6c 75 6d 6e 5f |umns() /| column_|
|000021b0| 77 69 64 74 68 3b 20 20 | 20 20 2f 2f 20 23 20 63 |width;  |  // # c|
|000021c0| 6f 6d 70 61 63 74 65 64 | 20 61 72 65 61 73 20 70 |ompacted| areas p|
|000021d0| 65 72 20 72 6f 77 0a 58 | 20 20 20 20 69 6e 74 20 |er row.X|    int |
|000021e0| 72 77 73 20 3d 20 72 6f | 77 73 28 29 20 2d 20 35 |rws = ro|ws() - 5|
|000021f0| 3b 0a 58 20 20 20 20 69 | 6e 74 20 63 6f 6d 70 61 |;.X    i|nt compa|
|00002200| 63 74 20 3d 20 4e 41 72 | 65 61 73 28 29 20 3c 3d |ct = NAr|eas() <=|
|00002210| 20 72 77 73 20 3f 20 30 | 20 3a 20 31 3b 20 2f 2f | rws ? 0| : 1; //|
|00002220| 20 63 6f 6d 70 61 63 74 | 20 74 68 65 20 61 72 65 | compact| the are|
|00002230| 61 73 3f 0a 58 0a 58 20 | 20 20 20 63 6f 6e 73 74 |as?.X.X |   const|
|00002240| 20 63 68 61 72 20 2a 66 | 6d 74 20 3d 20 4e 41 72 | char *f|mt = NAr|
|00002250| 65 61 73 28 29 20 3c 3d | 20 72 77 73 20 2a 20 64 |eas() <=| rws * d|
|00002260| 76 64 20 3f 20 22 54 68 | 65 20 25 64 20 41 72 65 |vd ? "Th|e %d Are|
|00002270| 61 73 3a 22 20 3a 0a 58 | 20 20 20 20 20 20 20 20 |as:" :.X|        |
|00002280| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002290| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000022a0| 20 20 20 20 20 20 22 54 | 68 65 20 46 69 72 73 74 |      "T|he First|
|000022b0| 20 25 64 20 41 72 65 61 | 73 3a 22 3b 0a 58 0a 58 | %d Area|s:";.X.X|
|000022c0| 20 20 20 20 63 68 61 72 | 20 2a 6d 73 67 20 3d 20 |    char| *msg = |
|000022d0| 6e 65 77 20 63 68 61 72 | 5b 73 74 72 6c 65 6e 28 |new char|[strlen(|
|000022e0| 66 6d 74 29 20 2b 20 38 | 5d 3b 20 2f 2f 20 6c 6f |fmt) + 8|]; // lo|
|000022f0| 74 73 20 6f 66 20 70 72 | 6f 62 6c 65 6d 20 61 72 |ts of pr|oblem ar|
|00002300| 65 61 73 0a 58 0a 58 20 | 20 20 20 28 76 6f 69 64 |eas.X.X |   (void|
|00002310| 29 73 70 72 69 6e 74 66 | 28 6d 73 67 2c 20 66 6d |)sprintf|(msg, fm|
|00002320| 74 2c 20 4e 41 72 65 61 | 73 28 29 20 3c 3d 20 72 |t, NArea|s() <= r|
|00002330| 77 73 20 2a 20 64 76 64 | 20 3f 20 4e 41 72 65 61 |ws * dvd| ? NArea|
|00002340| 73 28 29 20 3a 20 72 77 | 73 20 2a 20 64 76 64 29 |s() : rw|s * dvd)|
|00002350| 3b 0a 58 0a 58 20 20 20 | 20 64 69 73 70 6c 61 79 |;.X.X   | display|
|00002360| 5f 73 74 72 69 6e 67 28 | 6d 73 67 29 3b 0a 58 0a |_string(|msg);.X.|
|00002370| 58 20 20 20 20 2f 2f 0a | 58 20 20 20 20 2f 2f 20 |X    //.|X    // |
|00002380| 4d 61 78 69 6d 75 6d 20 | 23 20 6f 66 20 64 69 67 |Maximum |# of dig|
|00002390| 69 74 73 20 77 65 20 6d | 75 73 74 20 64 69 73 70 |its we m|ust disp|
|000023a0| 6c 61 79 2e 0a 58 20 20 | 20 20 2f 2f 0a 58 20 20 |lay..X  |  //.X  |
|000023b0| 20 20 69 6e 74 20 64 69 | 67 69 74 73 20 3d 20 69 |  int di|gits = i|
|000023c0| 6e 74 28 73 74 72 6c 65 | 6e 28 6d 73 67 29 20 2d |nt(strle|n(msg) -|
|000023d0| 20 73 74 72 6c 65 6e 28 | 66 6d 74 29 29 20 2b 20 | strlen(|fmt)) + |
|000023e0| 32 3b 0a 58 0a 58 20 20 | 20 20 44 45 4c 45 54 45 |2;.X.X  |  DELETE|
|000023f0| 20 6d 73 67 3b 0a 58 0a | 58 20 20 20 20 65 6e 64 | msg;.X.|X    end|
|00002400| 5f 73 74 61 6e 64 6f 75 | 74 5f 6d 6f 64 65 28 29 |_standou|t_mode()|
|00002410| 3b 0a 58 20 20 20 20 63 | 75 72 73 6f 72 5f 77 72 |;.X    c|ursor_wr|
|00002420| 61 70 28 29 3b 0a 58 0a | 58 20 20 20 20 66 6f 72 |ap();.X.|X    for|
|00002430| 20 28 69 6e 74 20 69 20 | 3d 20 30 2c 20 6f 66 66 | (int i |= 0, off|
|00002440| 73 65 74 20 3d 20 30 3b | 20 69 20 3c 20 4e 41 72 |set = 0;| i < NAr|
|00002450| 65 61 73 28 29 20 26 26 | 20 69 20 3c 20 72 77 73 |eas() &&| i < rws|
|00002460| 20 2a 20 64 76 64 3b 20 | 69 2b 2b 29 0a 58 20 20 | * dvd; |i++).X  |
|00002470| 20 20 7b 0a 58 20 20 20 | 20 20 20 20 20 69 66 20 |  {.X   |     if |
|00002480| 28 63 6f 6d 70 61 63 74 | 29 0a 58 20 20 20 20 20 |(compact|).X     |
|00002490| 20 20 20 7b 0a 58 20 20 | 20 20 20 20 20 20 20 20 |   {.X  |        |
|000024a0| 20 20 6f 66 66 73 65 74 | 20 3d 20 28 69 20 2f 20 |  offset| = (i / |
|000024b0| 72 77 73 29 20 2a 20 63 | 6f 6c 75 6d 6e 5f 77 69 |rws) * c|olumn_wi|
|000024c0| 64 74 68 3b 0a 58 20 20 | 20 20 20 20 20 20 20 20 |dth;.X  |        |
|000024d0| 20 20 6d 6f 76 65 5f 63 | 75 72 73 6f 72 28 28 69 |  move_c|ursor((i|
|000024e0| 20 25 20 72 77 73 29 20 | 2b 20 32 2c 20 6f 66 66 | % rws) |+ 2, off|
|000024f0| 73 65 74 29 3b 0a 58 20 | 20 20 20 20 20 20 20 7d |set);.X |       }|
|00002500| 0a 58 20 20 20 20 20 20 | 20 20 28 76 6f 69 64 29 |.X      |  (void)|
|00002510| 66 70 75 74 73 28 22 20 | 20 22 2c 20 73 74 64 6f |fputs(" | ", stdo|
|00002520| 75 74 29 3b 20 20 2f 2f | 20 74 77 6f 20 73 70 61 |ut);  //| two spa|
|00002530| 63 65 73 20 66 6f 72 20 | 69 6e 69 74 69 61 6c 20 |ces for |initial |
|00002540| 69 6e 64 65 6e 74 61 74 | 69 6f 6e 0a 58 20 20 20 |indentat|ion.X   |
|00002550| 20 20 20 20 20 65 6e 74 | 65 72 5f 73 74 61 6e 64 |     ent|er_stand|
|00002560| 6f 75 74 5f 6d 6f 64 65 | 28 29 3b 0a 58 20 20 20 |out_mode|();.X   |
|00002570| 20 20 20 20 20 28 76 6f | 69 64 29 66 70 72 69 6e |     (vo|id)fprin|
|00002580| 74 66 28 73 74 64 6f 75 | 74 2c 20 22 25 2a 64 22 |tf(stdou|t, "%*d"|
|00002590| 2c 20 64 69 67 69 74 73 | 2c 20 69 20 2b 20 31 29 |, digits|, i + 1)|
|000025a0| 3b 0a 58 20 20 20 20 20 | 20 20 20 65 6e 64 5f 73 |;.X     |   end_s|
|000025b0| 74 61 6e 64 6f 75 74 5f | 6d 6f 64 65 28 29 3b 0a |tandout_|mode();.|
|000025c0| 58 20 20 20 20 20 20 20 | 20 70 75 74 63 68 61 72 |X       | putchar|
|000025d0| 28 27 20 27 29 3b 20 20 | 20 20 20 20 20 20 20 20 |(' ');  |        |
|000025e0| 20 20 20 20 20 2f 2f 20 | 61 6e 64 20 6f 6e 65 20 |     // |and one |
|000025f0| 6d 6f 72 65 20 62 65 74 | 77 65 65 6e 20 6e 75 6d |more bet|ween num|
|00002600| 62 65 72 20 61 6e 64 20 | 61 72 65 61 0a 58 20 20 |ber and |area.X  |
|00002610| 20 20 20 20 20 20 64 69 | 73 70 6c 61 79 5f 73 74 |      di|splay_st|
|00002620| 72 69 6e 67 28 61 72 65 | 61 73 5b 69 5d 2c 20 30 |ring(are|as[i], 0|
|00002630| 2c 20 64 69 67 69 74 73 | 20 2b 20 33 20 2b 20 6f |, digits| + 3 + o|
|00002640| 66 66 73 65 74 29 3b 0a | 58 20 20 20 20 7d 0a 58 |ffset);.|X    }.X|
|00002650| 7d 0a 58 0a 58 2f 2a 0a | 58 2a 2a 20 68 65 6c 70 |}.X.X/*.|X** help|
|00002660| 20 2d 20 64 69 73 70 6c | 61 79 20 73 6f 6d 65 20 | - displ|ay some |
|00002670| 68 65 6c 70 20 6c 69 6e | 65 73 2e 20 20 54 68 65 |help lin|es.  The|
|00002680| 20 66 69 72 73 74 20 74 | 77 6f 20 6c 69 6e 65 73 | first t|wo lines|
|00002690| 20 6f 66 20 74 68 65 20 | 6f 75 74 70 75 74 0a 58 | of the |output.X|
|000026a0| 2a 2a 20 20 20 20 20 20 | 20 20 63 6f 6e 73 69 73 |**      |  consis|
|000026b0| 74 73 20 6f 66 20 74 68 | 65 20 6d 65 73 73 61 67 |ts of th|e messag|
|000026c0| 65 20 6d 73 67 20 61 6e | 64 20 74 68 65 6e 20 61 |e msg an|d then a|
|000026d0| 20 62 6c 61 6e 6b 20 6c | 69 6e 65 2e 0a 58 2a 2a | blank l|ine..X**|
|000026e0| 20 20 20 20 20 20 20 20 | 54 68 69 73 20 69 73 20 |        |This is |
|000026f0| 66 6f 6c 6c 6f 77 65 64 | 20 62 79 20 74 68 65 20 |followed| by the |
|00002700| 63 6f 6e 74 65 6e 74 73 | 20 6f 66 20 6c 69 6e 65 |contents| of line|
|00002710| 73 2c 20 77 68 69 63 68 | 20 68 61 73 20 64 69 6d |s, which| has dim|
|00002720| 0a 58 2a 2a 20 20 20 20 | 20 20 20 20 65 6c 65 6d |.X**    |    elem|
|00002730| 65 6e 74 73 2e 0a 58 2a | 2a 0a 58 2a 2f 0a 58 0a |ents..X*|*.X*/.X.|
|00002740| 58 73 74 61 74 69 63 20 | 76 6f 69 64 20 68 65 6c |Xstatic |void hel|
|00002750| 70 28 63 6f 6e 73 74 20 | 63 68 61 72 20 2a 6c 69 |p(const |char *li|
|00002760| 6e 65 73 5b 5d 2c 20 69 | 6e 74 20 64 69 6d 2c 20 |nes[], i|nt dim, |
|00002770| 63 6f 6e 73 74 20 63 68 | 61 72 20 2a 6d 73 67 29 |const ch|ar *msg)|
|00002780| 0a 58 7b 0a 58 20 20 20 | 20 53 74 72 69 6e 67 20 |.X{.X   | String |
|00002790| 6f 6c 64 5f 6d 6f 64 65 | 6c 69 6e 65 28 63 75 72 |old_mode|line(cur|
|000027a0| 72 65 6e 74 5f 6d 6f 64 | 65 6c 69 6e 65 29 3b 0a |rent_mod|eline);.|
|000027b0| 58 0a 58 20 20 20 20 75 | 70 64 61 74 65 5f 6d 6f |X.X    u|pdate_mo|
|000027c0| 64 65 6c 69 6e 65 28 22 | 2d 2d 2d 2d 2d 20 48 45 |deline("|----- HE|
|000027d0| 4c 50 22 29 3b 0a 58 20 | 20 20 20 63 6c 65 61 72 |LP");.X |   clear|
|000027e0| 5f 64 69 73 70 6c 61 79 | 5f 61 72 65 61 28 29 3b |_display|_area();|
|000027f0| 0a 58 20 20 20 20 0a 58 | 20 20 20 20 69 6e 74 20 |.X    .X|    int |
|00002800| 70 6f 73 69 74 69 6f 6e | 20 3d 20 30 2c 20 6f 66 |position| = 0, of|
|00002810| 66 73 65 74 20 3d 20 30 | 3b 0a 58 20 20 20 20 63 |fset = 0|;.X    c|
|00002820| 68 61 72 20 6b 65 79 3b | 0a 58 20 20 20 20 64 6f |har key;|.X    do|
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|00005100| 20 49 66 20 77 65 20 61 | 72 65 20 61 70 70 65 6e | If we a|re appen|
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|00005120| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 6f 72 |        |      or|
|00005130| 20 63 6c 6f 73 69 6e 67 | 20 61 20 70 72 6f 62 6c | closing| a probl|
|00005140| 65 6d 2c 20 77 65 20 70 | 61 73 73 20 74 68 65 20 |em, we p|ass the |
|00005150| 6f 66 66 73 65 74 20 6f | 66 20 74 68 65 0a 58 2a |offset o|f the.X*|
|00005160| 2a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |*       |        |
|00005170| 20 20 20 20 20 20 20 6e | 65 77 20 64 61 74 61 20 |       n|ew data |
|00005180| 74 68 61 74 20 6e 65 65 | 64 73 20 74 6f 20 62 65 |that nee|ds to be|
|00005190| 20 70 72 69 6e 74 65 64 | 2e 20 20 57 68 65 6e 20 | printed|.  When |
|000051a0| 6c 6f 67 67 69 6e 67 2c | 0a 58 2a 2a 20 20 20 20 |logging,|.X**    |
|000051b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000051c0| 20 20 74 68 69 73 20 6f | 66 66 73 65 74 20 69 73 |  this o|ffset is|
|000051d0| 20 7a 65 72 6f 2c 20 77 | 68 69 63 68 20 77 65 20 | zero, w|hich we |
|000051e0| 6d 61 6b 65 20 74 68 65 | 20 64 65 66 61 75 6c 74 |make the| default|
|000051f0| 2e 0a 58 2a 2f 0a 58 0a | 58 73 74 61 74 69 63 20 |..X*/.X.|Xstatic |
|00005200| 76 6f 69 64 20 75 70 64 | 61 74 65 5f 73 75 62 73 |void upd|ate_subs|
|00005210| 63 72 69 62 65 72 73 28 | 63 6f 6e 73 74 20 64 61 |cribers(|const da|
|00005220| 74 75 6d 20 64 61 74 61 | 2c 20 63 6f 6e 73 74 20 |tum data|, const |
|00005230| 63 68 61 72 20 2a 6e 75 | 6d 62 65 72 2c 0a 58 20 |char *nu|mber,.X |
|00005240| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005250| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 63 6f |        |      co|
|00005260| 6e 73 74 20 4d 6f 64 69 | 66 69 65 64 20 68 6f 77 |nst Modi|fied how|
|00005270| 2c 20 69 6e 74 20 6f 66 | 66 73 65 74 20 3d 20 30 |, int of|fset = 0|
|00005280| 29 0a 58 7b 0a 58 23 69 | 66 64 65 66 20 4d 41 49 |).X{.X#i|fdef MAI|
|00005290| 4c 50 52 4f 47 0a 58 20 | 20 20 20 63 6f 6e 73 74 |LPROG.X |   const|
|000052a0| 20 63 68 61 72 20 2a 6d | 61 69 6c 70 72 6f 67 20 | char *m|ailprog |
|000052b0| 3d 20 4d 41 49 4c 50 52 | 4f 47 3b 0a 58 23 65 6c |= MAILPR|OG;.X#el|
|000052c0| 73 65 0a 58 20 20 20 20 | 63 6f 6e 73 74 20 63 68 |se.X    |const ch|
|000052d0| 61 72 20 2a 6d 61 69 6c | 70 72 6f 67 20 3d 20 22 |ar *mail|prog = "|
|000052e0| 2f 62 69 6e 2f 6d 61 69 | 6c 22 3b 0a 58 23 65 6e |/bin/mai|l";.X#en|
|000052f0| 64 69 66 0a 58 0a 58 20 | 20 20 20 2f 2f 0a 58 20 |dif.X.X |   //.X |
|00005300| 20 20 20 2f 2f 20 44 6f | 65 73 20 6d 61 69 6c 70 |   // Do|es mailp|
|00005310| 72 6f 67 20 72 65 61 6c | 6c 79 20 65 78 69 73 74 |rog real|ly exist|
|00005320| 3f 0a 58 20 20 20 20 2f | 2f 0a 58 20 20 20 20 69 |?.X    /|/.X    i|
|00005330| 66 20 28 21 72 65 61 64 | 5f 61 6e 64 5f 65 78 65 |f (!read|_and_exe|
|00005340| 63 5f 70 65 72 6d 28 6d | 61 69 6c 70 72 6f 67 29 |c_perm(m|ailprog)|
|00005350| 29 0a 58 20 20 20 20 20 | 20 20 20 65 72 72 6f 72 |).X     |   error|
|00005360| 28 22 66 69 6c 65 20 25 | 73 2c 20 6c 69 6e 65 20 |("file %|s, line |
|00005370| 25 64 2c 20 60 25 73 27 | 20 64 6f 65 73 6e 27 74 |%d, `%s'| doesn't|
|00005380| 20 61 70 70 65 61 72 20 | 74 6f 20 62 65 20 65 78 | appear |to be ex|
|00005390| 65 63 75 74 61 62 6c 65 | 22 2c 0a 58 20 20 20 20 |ecutable|",.X    |
|000053a0| 20 20 20 20 20 20 20 20 | 20 20 5f 5f 46 49 4c 45 |        |  __FILE|
|000053b0| 5f 5f 2c 20 5f 5f 4c 49 | 4e 45 5f 5f 2c 20 6d 61 |__, __LI|NE__, ma|
|000053c0| 69 6c 70 72 6f 67 29 3b | 0a 58 0a 58 20 20 20 20 |ilprog);|.X.X    |
|000053d0| 69 6e 74 20 6d 61 69 6c | 66 64 20 20 20 3d 20 6f |int mail|fd   = o|
|000053e0| 70 65 6e 5f 6d 61 69 6c | 6c 69 73 74 5f 66 69 6c |pen_mail|list_fil|
|000053f0| 65 28 29 3b 0a 58 20 20 | 20 20 46 49 4c 45 20 2a |e();.X  |  FILE *|
|00005400| 6d 61 69 6c 66 70 20 3d | 20 66 64 6f 70 65 6e 28 |mailfp =| fdopen(|
|00005410| 6d 61 69 6c 66 64 2c 20 | 22 72 22 29 3b 0a 58 20 |mailfd, |"r");.X |
|00005420| 20 20 20 69 66 20 28 21 | 6d 61 69 6c 66 70 29 0a |   if (!|mailfp).|
|00005430| 58 20 20 20 20 20 20 20 | 20 65 72 72 6f 72 28 22 |X       | error("|
|00005440| 66 69 6c 65 20 25 73 2c | 20 6c 69 6e 65 20 25 64 |file %s,| line %d|
|00005450| 2c 20 66 64 6f 70 65 6e | 28 29 20 66 61 69 6c 65 |, fdopen|() faile|
|00005460| 64 22 2c 20 5f 5f 46 49 | 4c 45 5f 5f 2c 20 5f 5f |d", __FI|LE__, __|
|00005470| 4c 49 4e 45 5f 5f 29 3b | 0a 58 0a 58 20 20 20 20 |LINE__);|.X.X    |
|00005480| 63 6f 6e 73 74 20 69 6e | 74 20 6e 61 6d 65 6c 65 |const in|t namele|
|00005490| 6e 20 20 20 3d 20 31 30 | 3b 20 20 2f 2f 20 61 76 |n   = 10|;  // av|
|000054a0| 65 72 61 67 65 20 6c 65 | 6e 67 74 68 20 6f 66 20 |erage le|ngth of |
|000054b0| 75 69 64 20 65 78 70 65 | 63 74 65 64 0a 58 20 20 |uid expe|cted.X  |
|000054c0| 20 20 63 6f 6e 73 74 20 | 69 6e 74 20 63 68 75 6e |  const |int chun|
|000054d0| 6b 73 69 7a 65 20 3d 20 | 32 30 3b 20 20 2f 2f 20 |ksize = |20;  // |
|000054e0| 61 76 65 72 61 67 65 20 | 6e 75 6d 62 65 72 20 6f |average |number o|
|000054f0| 66 20 73 75 62 73 63 72 | 69 62 65 65 73 20 65 78 |f subscr|ibees ex|
|00005500| 70 65 63 74 65 64 0a 58 | 20 20 20 20 63 68 61 72 |pected.X|    char|
|00005510| 20 2a 2a 61 72 67 73 20 | 3d 20 6e 65 77 20 63 68 | **args |= new ch|
|00005520| 61 72 2a 5b 63 68 75 6e | 6b 73 69 7a 65 5d 3b 0a |ar*[chun|ksize];.|
|00005530| 58 20 20 20 20 61 72 67 | 73 5b 30 5d 20 3d 20 22 |X    arg|s[0] = "|
|00005540| 6d 61 69 6c 22 3b 0a 58 | 0a 58 23 69 66 64 65 66 |mail";.X|.X#ifdef|
|00005550| 20 4e 4f 53 55 42 4a 45 | 43 54 0a 58 20 20 20 20 | NOSUBJE|CT.X    |
|00005560| 53 74 72 69 6e 67 20 73 | 75 62 6a 65 63 74 28 22 |String s|ubject("|
|00005570| 53 75 62 6a 65 63 74 3a | 20 50 72 6f 62 6c 65 6d |Subject:| Problem|
|00005580| 3a 20 22 29 3b 0a 58 23 | 65 6c 73 65 0a 58 20 20 |: ");.X#|else.X  |
|00005590| 20 20 61 72 67 73 5b 31 | 5d 20 3d 20 22 2d 73 22 |  args[1|] = "-s"|
|000055a0| 3b 0a 58 20 20 20 20 53 | 74 72 69 6e 67 20 73 75 |;.X    S|tring su|
|000055b0| 62 6a 65 63 74 28 22 50 | 72 6f 62 6c 65 6d 3a 20 |bject("P|roblem: |
|000055c0| 22 29 3b 0a 58 23 65 6e | 64 69 66 0a 58 0a 58 20 |");.X#en|dif.X.X |
|000055d0| 20 20 20 73 75 62 6a 65 | 63 74 20 2b 3d 20 43 75 |   subje|ct += Cu|
|000055e0| 72 72 65 6e 74 41 72 65 | 61 28 29 3b 0a 58 20 20 |rrentAre|a();.X  |
|000055f0| 20 20 73 75 62 6a 65 63 | 74 20 2b 3d 20 22 20 23 |  subjec|t += " #|
|00005600| 20 22 3b 0a 58 20 20 20 | 20 73 75 62 6a 65 63 74 | ";.X   | subject|
|00005610| 20 2b 3d 20 6e 75 6d 62 | 65 72 3b 0a 58 20 20 20 | += numb|er;.X   |
|00005620| 20 73 75 62 6a 65 63 74 | 20 2b 3d 20 22 20 22 3b | subject| += " ";|
|00005630| 0a 58 20 20 20 20 73 75 | 62 6a 65 63 74 20 2b 3d |.X    su|bject +=|
|00005640| 20 48 6f 77 5b 68 6f 77 | 5d 3b 0a 58 20 20 20 20 | How[how|];.X    |
|00005650| 73 75 62 6a 65 63 74 20 | 2b 3d 20 22 20 62 79 20 |subject |+= " by |
|00005660| 60 22 3b 0a 58 20 20 20 | 20 73 75 62 6a 65 63 74 |`";.X   | subject|
|00005670| 20 2b 3d 20 75 73 65 72 | 6e 61 6d 65 28 29 3b 0a | += user|name();.|
|00005680| 58 20 20 20 20 73 75 62 | 6a 65 63 74 20 2b 3d 20 |X    sub|ject += |
|00005690| 22 27 22 3b 0a 58 0a 58 | 23 69 66 64 65 66 20 4e |"'";.X.X|#ifdef N|
|000056a0| 4f 53 55 42 4a 45 43 54 | 0a 58 20 20 20 20 73 75 |OSUBJECT|.X    su|
|000056b0| 62 6a 65 63 74 20 2b 3d | 20 22 5c 6e 5c 6e 22 3b |bject +=| "\n\n";|
|000056c0| 0a 58 23 65 6e 64 69 66 | 0a 58 0a 58 23 69 66 6e |.X#endif|.X.X#ifn|
|000056d0| 64 65 66 20 4e 4f 53 55 | 42 4a 45 43 54 0a 58 20 |def NOSU|BJECT.X |
|000056e0| 20 20 20 61 72 67 73 5b | 32 5d 20 3d 20 73 75 62 |   args[|2] = sub|
|000056f0| 6a 65 63 74 3b 0a 58 23 | 65 6e 64 69 66 0a 58 0a |ject;.X#|endif.X.|
|00005700| 58 20 20 20 20 2f 2f 0a | 58 20 20 20 20 2f 2f 20 |X    //.|X    // |
|00005710| 41 72 65 20 74 68 65 72 | 65 20 61 6e 79 20 73 75 |Are ther|e any su|
|00005720| 62 73 63 72 69 62 65 72 | 73 3f 0a 58 20 20 20 20 |bscriber|s?.X    |
|00005730| 2f 2f 0a 58 23 69 66 64 | 65 66 20 4e 4f 53 55 42 |//.X#ifd|ef NOSUB|
|00005740| 4a 45 43 54 0a 58 20 20 | 20 20 69 6e 74 20 6e 6c |JECT.X  |  int nl|
|00005750| 69 6e 65 73 20 3d 20 72 | 65 61 64 5f 66 69 6c 65 |ines = r|ead_file|
|00005760| 28 6d 61 69 6c 66 70 2c | 20 61 72 67 73 2c 20 63 |(mailfp,| args, c|
|00005770| 68 75 6e 6b 73 69 7a 65 | 2c 20 6e 61 6d 65 6c 65 |hunksize|, namele|
|00005780| 6e 2c 20 31 29 3b 0a 58 | 23 65 6c 73 65 0a 58 20 |n, 1);.X|#else.X |
|00005790| 20 20 20 69 6e 74 20 6e | 6c 69 6e 65 73 20 3d 20 |   int n|lines = |
|000057a0| 72 65 61 64 5f 66 69 6c | 65 28 6d 61 69 6c 66 70 |read_fil|e(mailfp|
|000057b0| 2c 20 61 72 67 73 2c 20 | 63 68 75 6e 6b 73 69 7a |, args, |chunksiz|
|000057c0| 65 2c 20 6e 61 6d 65 6c | 65 6e 2c 20 33 29 3b 0a |e, namel|en, 3);.|
|000057d0| 58 23 65 6e 64 69 66 0a | 58 20 20 20 20 69 66 20 |X#endif.|X    if |
|000057e0| 28 6e 6c 69 6e 65 73 20 | 3c 20 30 29 0a 58 20 20 |(nlines |< 0).X  |
|000057f0| 20 20 20 20 20 20 65 72 | 72 6f 72 28 22 66 69 6c |      er|ror("fil|
|00005800| 65 20 25 73 2c 20 6c 69 | 6e 65 20 25 64 2c 20 70 |e %s, li|ne %d, p|
|00005810| 72 6f 62 6c 65 6d 20 72 | 65 61 64 69 6e 67 20 66 |roblem r|eading f|
|00005820| 72 6f 6d 20 6d 61 69 6c | 6c 69 73 74 20 66 69 6c |rom mail|list fil|
|00005830| 65 22 2c 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 |e",.X   |        |
|00005840| 20 20 20 5f 5f 46 49 4c | 45 5f 5f 2c 20 5f 5f 4c |   __FIL|E__, __L|
|00005850| 49 4e 45 5f 5f 29 3b 0a | 58 20 20 20 20 28 76 6f |INE__);.|X    (vo|
|00005860| 69 64 29 63 6c 6f 73 65 | 28 6d 61 69 6c 66 64 29 |id)close|(mailfd)|
|00005870| 3b 0a 58 20 20 20 20 28 | 76 6f 69 64 29 66 63 6c |;.X    (|void)fcl|
|00005880| 6f 73 65 28 6d 61 69 6c | 66 70 29 3b 0a 58 20 20 |ose(mail|fp);.X  |
|00005890| 20 20 69 66 20 28 6e 6c | 69 6e 65 73 20 3d 3d 20 |  if (nl|ines == |
|000058a0| 30 29 0a 58 20 20 20 20 | 7b 0a 58 20 20 20 20 20 |0).X    |{.X     |
|000058b0| 20 20 20 2f 2f 0a 58 20 | 20 20 20 20 20 20 20 2f |   //.X |       /|
|000058c0| 2f 20 4e 6f 20 73 75 62 | 73 63 72 69 62 65 72 73 |/ No sub|scribers|
|000058d0| 2e 0a 58 20 20 20 20 20 | 20 20 20 2f 2f 0a 58 23 |..X     |   //.X#|
|000058e0| 69 66 64 65 66 20 4e 4f | 53 55 42 4a 45 43 54 0a |ifdef NO|SUBJECT.|
|000058f0| 58 20 20 20 20 20 20 20 | 20 66 6f 72 20 28 69 6e |X       | for (in|
|00005900| 74 20 69 20 3d 20 31 3b | 20 61 72 67 73 5b 69 5d |t i = 1;| args[i]|
|00005910| 3b 20 69 2b 2b 29 20 44 | 45 4c 45 54 45 20 61 72 |; i++) D|ELETE ar|
|00005920| 67 73 5b 69 5d 3b 0a 58 | 23 65 6c 73 65 0a 58 20 |gs[i];.X|#else.X |
|00005930| 20 20 20 20 20 20 20 66 | 6f 72 20 28 69 6e 74 20 |       f|or (int |
|00005940| 69 20 3d 20 33 3b 20 61 | 72 67 73 5b 69 5d 3b 20 |i = 3; a|rgs[i]; |
|00005950| 69 2b 2b 29 20 44 45 4c | 45 54 45 20 61 72 67 73 |i++) DEL|ETE args|
|00005960| 5b 69 5d 3b 0a 58 23 65 | 6e 64 69 66 0a 58 20 20 |[i];.X#e|ndif.X  |
|00005970| 20 20 20 20 20 20 44 45 | 4c 45 54 45 20 61 72 67 |      DE|LETE arg|
|00005980| 73 3b 0a 58 20 20 20 20 | 20 20 20 20 72 65 74 75 |s;.X    |    retu|
|00005990| 72 6e 3b 0a 58 20 20 20 | 20 7d 0a 58 0a 58 20 20 |rn;.X   | }.X.X  |
|000059a0| 20 20 69 6e 74 20 66 64 | 73 5b 32 5d 3b 0a 58 20 |  int fd|s[2];.X |
|000059b0| 20 20 20 69 66 20 28 70 | 69 70 65 28 66 64 73 29 |   if (p|ipe(fds)|
|000059c0| 20 3c 20 30 29 0a 58 20 | 20 20 20 20 20 20 20 65 | < 0).X |       e|
|000059d0| 72 72 6f 72 28 22 66 69 | 6c 65 20 25 73 2c 20 6c |rror("fi|le %s, l|
|000059e0| 69 6e 65 20 25 64 2c 20 | 70 69 70 65 28 29 20 66 |ine %d, |pipe() f|
|000059f0| 61 69 6c 65 64 22 2c 20 | 5f 5f 46 49 4c 45 5f 5f |ailed", |__FILE__|
|00005a00| 2c 20 5f 5f 4c 49 4e 45 | 5f 5f 29 3b 0a 58 0a 58 |, __LINE|__);.X.X|
|00005a10| 20 20 20 20 73 77 69 74 | 63 68 28 66 6f 72 6b 28 |    swit|ch(fork(|
|00005a20| 29 29 0a 58 20 20 20 20 | 7b 0a 58 20 20 20 20 20 |)).X    |{.X     |
|00005a30| 20 63 61 73 65 20 2d 31 | 3a 20 2f 2f 20 65 72 72 | case -1|: // err|
|00005a40| 6f 72 0a 58 20 20 20 20 | 20 20 20 20 65 72 72 6f |or.X    |    erro|
|00005a50| 72 28 22 66 69 6c 65 20 | 25 73 2c 20 6c 69 6e 65 |r("file |%s, line|
|00005a60| 20 25 64 2c 20 66 6f 72 | 6b 28 29 20 66 61 69 6c | %d, for|k() fail|
|00005a70| 65 64 22 2c 20 5f 5f 46 | 49 4c 45 5f 5f 2c 20 5f |ed", __F|ILE__, _|
|00005a80| 5f 4c 49 4e 45 5f 5f 29 | 3b 0a 58 20 20 20 20 20 |_LINE__)|;.X     |
|00005a90| 20 63 61 73 65 20 30 3a | 20 2f 2f 20 69 6e 20 74 | case 0:| // in t|
|00005aa0| 68 65 20 63 68 69 6c 64 | 0a 58 20 20 20 20 20 20 |he child|.X      |
|00005ab0| 20 20 2f 2f 0a 58 20 20 | 20 20 20 20 20 20 2f 2f |  //.X  |      //|
|00005ac0| 20 53 65 74 20 73 74 64 | 69 6e 20 74 6f 20 74 68 | Set std|in to th|
|00005ad0| 65 20 72 65 61 64 20 65 | 6e 64 20 6f 66 20 70 69 |e read e|nd of pi|
|00005ae0| 70 65 2e 0a 58 20 20 20 | 20 20 20 20 20 2f 2f 0a |pe..X   |     //.|
|00005af0| 58 20 20 20 20 20 20 20 | 20 28 76 6f 69 64 29 63 |X       | (void)c|
|00005b00| 6c 6f 73 65 28 30 29 3b | 0a 58 20 20 20 20 20 20 |lose(0);|.X      |
|00005b10| 20 20 69 66 20 28 64 75 | 70 28 66 64 73 5b 30 5d |  if (du|p(fds[0]|
|00005b20| 29 20 3c 20 30 29 0a 58 | 20 20 20 20 20 20 20 20 |) < 0).X|        |
|00005b30| 20 20 20 20 65 72 72 6f | 72 28 22 66 69 6c 65 20 |    erro|r("file |
|00005b40| 25 73 2c 20 6c 69 6e 65 | 20 25 64 2c 20 64 75 70 |%s, line| %d, dup|
|00005b50| 28 29 20 66 61 69 6c 65 | 64 22 2c 20 5f 5f 46 49 |() faile|d", __FI|
|00005b60| 4c 45 5f 5f 2c 20 5f 5f | 4c 49 4e 45 5f 5f 29 3b |LE__, __|LINE__);|
|00005b70| 0a 58 20 20 20 20 20 20 | 20 20 28 76 6f 69 64 29 |.X      |  (void)|
|00005b80| 63 6c 6f 73 65 28 66 64 | 73 5b 30 5d 29 3b 0a 58 |close(fd|s[0]);.X|
|00005b90| 20 20 20 20 20 20 20 20 | 28 76 6f 69 64 29 63 6c |        |(void)cl|
|00005ba0| 6f 73 65 28 66 64 73 5b | 31 5d 29 3b 0a 58 20 20 |ose(fds[|1]);.X  |
|00005bb0| 20 20 20 20 20 20 28 76 | 6f 69 64 29 63 6c 6f 73 |      (v|oid)clos|
|00005bc0| 65 28 31 29 3b 0a 58 20 | 20 20 20 20 20 20 20 28 |e(1);.X |       (|
|00005bd0| 76 6f 69 64 29 63 6c 6f | 73 65 28 32 29 3b 0a 58 |void)clo|se(2);.X|
|00005be0| 20 20 20 20 20 20 20 20 | 0a 58 20 20 20 20 20 20 |        |.X      |
|00005bf0| 20 20 2f 2f 0a 58 20 20 | 20 20 20 20 20 20 2f 2f |  //.X  |      //|
|00005c00| 20 57 65 20 66 6f 72 6b | 20 61 67 61 69 6e 20 61 | We fork| again a|
|00005c10| 6e 64 20 6c 65 74 20 74 | 68 65 20 67 72 61 6e 64 |nd let t|he grand|
|00005c20| 63 68 69 6c 64 20 64 6f | 20 74 68 65 20 61 63 74 |child do| the act|
|00005c30| 75 61 6c 0a 58 20 20 20 | 20 20 20 20 20 2f 2f 20 |ual.X   |     // |
|00005c40| 6d 61 69 6c 69 6e 67 2e | 20 20 54 68 69 73 20 77 |mailing.|  This w|
|00005c50| 61 79 20 6f 75 72 20 70 | 61 72 65 6e 74 20 77 69 |ay our p|arent wi|
|00005c60| 6c 6c 20 6e 6f 74 20 68 | 61 76 65 20 74 6f 20 77 |ll not h|ave to w|
|00005c70| 61 69 74 0a 58 20 20 20 | 20 20 20 20 20 2f 2f 20 |ait.X   |     // |
|00005c80| 66 6f 72 20 74 68 65 20 | 6d 61 69 6c 20 74 6f 20 |for the |mail to |
|00005c90| 62 65 20 73 65 6e 74 2e | 0a 58 20 20 20 20 20 20 |be sent.|.X      |
|00005ca0| 20 20 2f 2f 0a 58 20 20 | 20 20 20 20 20 20 73 77 |  //.X  |      sw|
|00005cb0| 69 74 63 68 28 66 6f 72 | 6b 28 29 29 0a 58 20 20 |itch(for|k()).X  |
|00005cc0| 20 20 20 20 20 20 7b 0a | 58 20 20 20 20 20 20 20 |      {.|X       |
|00005cd0| 20 20 20 63 61 73 65 20 | 2d 31 3a 0a 58 20 20 20 |   case |-1:.X   |
|00005ce0| 20 20 20 20 20 20 20 20 | 20 65 78 69 74 28 31 29 |        | exit(1)|
|00005cf0| 3b 0a 58 20 20 20 20 20 | 20 20 20 20 20 63 61 73 |;.X     |     cas|
|00005d00| 65 20 30 3a 0a 58 20 20 | 20 20 20 20 20 20 20 20 |e 0:.X  |        |
|00005d10| 20 20 65 78 65 63 76 28 | 6d 61 69 6c 70 72 6f 67 |  execv(|mailprog|
|00005d20| 2c 20 28 63 68 61 72 20 | 2a 63 6f 6e 73 74 20 2a |, (char |*const *|
|00005d30| 29 61 72 67 73 29 3b 0a | 58 20 20 20 20 20 20 20 |)args);.|X       |
|00005d40| 20 20 20 20 20 65 78 69 | 74 28 31 29 3b 20 20 2f |     exi|t(1);  /|
|00005d50| 2f 20 65 78 65 63 20 66 | 61 69 6c 65 64 0a 58 20 |/ exec f|ailed.X |
|00005d60| 20 20 20 20 20 20 20 20 | 20 64 65 66 61 75 6c 74 |        | default|
|00005d70| 3a 0a 58 20 20 20 20 20 | 20 20 20 20 20 20 20 65 |:.X     |       e|
|00005d80| 78 69 74 28 30 29 3b 0a | 58 20 20 20 20 20 20 20 |xit(0);.|X       |
|00005d90| 20 7d 0a 58 20 20 20 20 | 20 20 20 20 62 72 65 61 | }.X    |    brea|
|00005da0| 6b 3b 0a 58 20 20 20 20 | 20 20 64 65 66 61 75 6c |k;.X    |  defaul|
|00005db0| 74 3a 20 20 2f 2f 20 69 | 6e 20 74 68 65 20 70 61 |t:  // i|n the pa|
|00005dc0| 72 65 6e 74 0a 58 20 20 | 20 20 20 20 7b 0a 58 20 |rent.X  |    {.X |
|00005dd0| 20 20 20 20 20 20 20 20 | 20 28 76 6f 69 64 29 63 |        | (void)c|
|00005de0| 6c 6f 73 65 28 66 64 73 | 5b 30 5d 29 3b 0a 58 0a |lose(fds|[0]);.X.|
|00005df0| 58 23 69 66 64 65 66 20 | 4e 4f 53 55 42 4a 45 43 |X#ifdef |NOSUBJEC|
|00005e00| 54 0a 58 20 20 20 20 20 | 20 20 20 20 20 2f 2f 0a |T.X     |     //.|
|00005e10| 58 20 20 20 20 20 20 20 | 20 20 20 2f 2f 20 57 72 |X       |   // Wr|
|00005e20| 69 74 65 20 53 75 62 6a | 65 63 74 20 74 6f 20 70 |ite Subj|ect to p|
|00005e30| 69 70 65 2e 0a 58 20 20 | 20 20 20 20 20 20 20 20 |ipe..X  |        |
|00005e40| 2f 2f 0a 58 20 20 20 20 | 20 20 20 20 20 20 77 72 |//.X    |      wr|
|00005e50| 69 74 65 5f 74 6f 5f 70 | 69 70 65 28 66 64 73 5b |ite_to_p|ipe(fds[|
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