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|00001c80| 0a 58 7b 0a 58 20 20 20 | 20 63 6f 6e 73 74 20 63 |.X{.X   | const c|
|00001c90| 68 61 72 20 2a 2a 61 72 | 65 61 73 20 3d 20 67 65 |har **ar|eas = ge|
|00001ca0| 74 5f 70 72 6f 62 6c 65 | 6d 5f 61 72 65 61 73 28 |t_proble|m_areas(|
|00001cb0| 29 3b 0a 58 0a 58 20 20 | 20 20 66 6f 72 20 28 69 |);.X.X  |  for (i|
|00001cc0| 6e 74 20 69 20 3d 20 30 | 3b 20 61 72 65 61 73 5b |nt i = 0|; areas[|
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|00001ce0| 58 20 20 20 20 20 20 20 | 20 63 6f 6e 73 74 20 63 |X       | const c|
|00001cf0| 68 61 72 20 2a 73 70 61 | 63 65 20 3d 20 73 74 72 |har *spa|ce = str|
|00001d00| 63 68 72 28 61 72 65 61 | 73 5b 69 5d 2c 27 20 27 |chr(area|s[i],' '|
|00001d10| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 69 6e 74 20 |);.X    |    int |
|00001d20| 6c 65 6e 67 74 68 20 3d | 20 73 70 61 63 65 20 3f |length =| space ?|
|00001d30| 20 73 70 61 63 65 20 2d | 20 61 72 65 61 73 5b 69 | space -| areas[i|
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|00001d90| 29 20 72 65 74 75 72 6e | 20 31 3b 0a 58 20 20 20 |) return| 1;.X   |
|00001da0| 20 7d 0a 58 0a 58 20 20 | 20 20 72 65 74 75 72 6e | }.X.X  |  return|
|00001db0| 20 30 3b 0a 58 7d 0a 58 | 0a 58 2f 2a 0a 58 2a 2a | 0;.X}.X|.X/*.X**|
|00001dc0| 20 4e 41 72 65 61 73 20 | 2d 20 74 68 65 20 6e 75 | NAreas |- the nu|
|00001dd0| 6d 62 65 72 20 6f 66 20 | 61 72 65 61 73 0a 58 2a |mber of |areas.X*|
|00001de0| 2f 0a 58 0a 58 73 74 61 | 74 69 63 20 69 6e 74 20 |/.X.Xsta|tic int |
|00001df0| 4e 41 72 65 61 73 28 29 | 0a 58 7b 0a 58 20 20 20 |NAreas()|.X{.X   |
|00001e00| 20 73 74 61 74 69 63 20 | 69 6e 74 20 6e 41 72 65 | static |int nAre|
|00001e10| 61 73 3b 0a 58 20 20 20 | 20 69 66 20 28 6e 41 72 |as;.X   | if (nAr|
|00001e20| 65 61 73 29 20 72 65 74 | 75 72 6e 20 6e 41 72 65 |eas) ret|urn nAre|
|00001e30| 61 73 3b 0a 58 20 20 20 | 20 63 6f 6e 73 74 20 63 |as;.X   | const c|
|00001e40| 68 61 72 20 2a 2a 61 72 | 65 61 73 20 3d 20 67 65 |har **ar|eas = ge|
|00001e50| 74 5f 70 72 6f 62 6c 65 | 6d 5f 61 72 65 61 73 28 |t_proble|m_areas(|
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|00001e70| 20 69 20 3d 20 30 3b 20 | 61 72 65 61 73 5b 69 5d | i = 0; |areas[i]|
|00001e80| 3b 20 69 2b 2b 29 20 3b | 0a 58 20 20 20 20 72 65 |; i++) ;|.X    re|
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|00001ee0| 61 62 6c 65 20 61 72 65 | 61 73 2e 0a 58 2a 2a 20 |able are|as..X** |
|00001ef0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001f00| 20 20 20 20 20 20 57 65 | 20 61 73 73 75 6d 65 20 |      We| assume |
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|00002000| 72 65 61 73 28 29 3b 0a | 58 20 20 20 20 65 6e 74 |reas();.|X    ent|
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|00002020| 28 29 3b 0a 58 0a 58 20 | 20 20 20 2f 2f 0a 58 20 |();.X.X |   //.X |
|00002030| 20 20 20 2f 2f 20 49 66 | 20 77 65 20 68 61 76 65 |   // If| we have|
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|00002070| 72 65 61 73 0a 58 20 20 | 20 20 2f 2f 20 6f 6e 65 |reas.X  |  // one|
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|000020d0| 63 68 61 72 61 63 74 65 | 72 73 2e 0a 58 20 20 20 |characte|rs..X   |
|000020e0| 20 2f 2f 0a 58 20 20 20 | 20 63 6f 6e 73 74 20 69 | //.X   | const i|
|000020f0| 6e 74 20 63 6f 6c 75 6d | 6e 5f 77 69 64 74 68 20 |nt colum|n_width |
|00002100| 3d 20 32 35 3b 20 20 20 | 20 20 20 20 20 20 20 20 |= 25;   |        |
|00002110| 2f 2f 20 73 70 61 63 65 | 20 61 6c 6c 6f 77 65 64 |// space| allowed|
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|00002130| 20 20 20 20 69 6e 74 20 | 64 76 64 20 3d 20 63 6f |    int |dvd = co|
|00002140| 6c 75 6d 6e 73 28 29 20 | 2f 20 63 6f 6c 75 6d 6e |lumns() |/ column|
|00002150| 5f 77 69 64 74 68 3b 20 | 20 20 20 2f 2f 20 23 20 |_width; |   // # |
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|000021a0| 61 63 74 20 3d 20 4e 41 | 72 65 61 73 28 29 20 3c |act = NA|reas() <|
|000021b0| 3d 20 72 77 73 20 3f 20 | 30 20 3a 20 31 3b 20 2f |= rws ? |0 : 1; /|
|000021c0| 2f 20 63 6f 6d 70 61 63 | 74 20 74 68 65 20 61 72 |/ compac|t the ar|
|000021d0| 65 61 73 3f 0a 58 0a 58 | 20 20 20 20 63 6f 6e 73 |eas?.X.X|    cons|
|000021e0| 74 20 63 68 61 72 20 2a | 66 6d 74 20 3d 20 4e 41 |t char *|fmt = NA|
|000021f0| 72 65 61 73 28 29 20 3c | 3d 20 72 77 73 20 2a 20 |reas() <|= rws * |
|00002200| 64 76 64 20 3f 20 22 54 | 68 65 20 25 64 20 41 72 |dvd ? "T|he %d Ar|
|00002210| 65 61 73 3a 22 20 3a 0a | 58 20 20 20 20 20 20 20 |eas:" :.|X       |
|00002220| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002230| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002240| 20 20 20 20 20 20 20 22 | 54 68 65 20 46 69 72 73 |       "|The Firs|
|00002250| 74 20 25 64 20 41 72 65 | 61 73 3a 22 3b 0a 58 0a |t %d Are|as:";.X.|
|00002260| 58 20 20 20 20 63 68 61 | 72 20 2a 6d 73 67 20 3d |X    cha|r *msg =|
|00002270| 20 6e 65 77 20 63 68 61 | 72 5b 73 74 72 6c 65 6e | new cha|r[strlen|
|00002280| 28 66 6d 74 29 20 2b 20 | 38 5d 3b 20 2f 2f 20 6c |(fmt) + |8]; // l|
|00002290| 6f 74 73 20 6f 66 20 70 | 72 6f 62 6c 65 6d 20 61 |ots of p|roblem a|
|000022a0| 72 65 61 73 0a 58 0a 58 | 20 20 20 20 28 76 6f 69 |reas.X.X|    (voi|
|000022b0| 64 29 73 70 72 69 6e 74 | 66 28 6d 73 67 2c 20 66 |d)sprint|f(msg, f|
|000022c0| 6d 74 2c 20 4e 41 72 65 | 61 73 28 29 20 3c 3d 20 |mt, NAre|as() <= |
|000022d0| 72 77 73 20 2a 20 64 76 | 64 20 3f 20 4e 41 72 65 |rws * dv|d ? NAre|
|000022e0| 61 73 28 29 20 3a 20 72 | 77 73 20 2a 20 64 76 64 |as() : r|ws * dvd|
|000022f0| 29 3b 0a 58 0a 58 20 20 | 20 20 64 69 73 70 6c 61 |);.X.X  |  displa|
|00002300| 79 5f 73 74 72 69 6e 67 | 28 6d 73 67 29 3b 0a 58 |y_string|(msg);.X|
|00002310| 0a 58 20 20 20 20 2f 2f | 20 6d 61 78 69 6d 75 6d |.X    //| maximum|
|00002320| 20 23 20 6f 66 20 64 69 | 67 69 74 73 20 77 65 20 | # of di|gits we |
|00002330| 6d 75 73 74 20 64 69 73 | 70 6c 61 79 0a 58 20 20 |must dis|play.X  |
|00002340| 20 20 69 6e 74 20 64 69 | 67 69 74 73 20 3d 20 69 |  int di|gits = i|
|00002350| 6e 74 28 73 74 72 6c 65 | 6e 28 6d 73 67 29 20 2d |nt(strle|n(msg) -|
|00002360| 20 73 74 72 6c 65 6e 28 | 66 6d 74 29 29 20 2b 20 | strlen(|fmt)) + |
|00002370| 32 3b 0a 58 0a 58 20 20 | 20 20 44 45 4c 45 54 45 |2;.X.X  |  DELETE|
|00002380| 20 6d 73 67 3b 0a 58 0a | 58 20 20 20 20 65 6e 64 | msg;.X.|X    end|
|00002390| 5f 73 74 61 6e 64 6f 75 | 74 5f 6d 6f 64 65 28 29 |_standou|t_mode()|
|000023a0| 3b 0a 58 20 20 20 20 63 | 6c 65 61 72 5f 74 6f 5f |;.X    c|lear_to_|
|000023b0| 65 6e 64 5f 6f 66 5f 6c | 69 6e 65 28 29 3b 0a 58 |end_of_l|ine();.X|
|000023c0| 20 20 20 20 63 75 72 73 | 6f 72 5f 77 72 61 70 28 |    curs|or_wrap(|
|000023d0| 29 3b 0a 58 0a 58 20 20 | 20 20 66 6f 72 20 28 69 |);.X.X  |  for (i|
|000023e0| 6e 74 20 69 20 3d 20 30 | 2c 20 6f 66 66 73 65 74 |nt i = 0|, offset|
|000023f0| 20 3d 20 30 3b 20 69 20 | 3c 20 4e 41 72 65 61 73 | = 0; i |< NAreas|
|00002400| 28 29 20 26 26 20 69 20 | 3c 20 72 77 73 20 2a 20 |() && i |< rws * |
|00002410| 64 76 64 3b 20 69 2b 2b | 29 0a 58 20 20 20 20 7b |dvd; i++|).X    {|
|00002420| 0a 58 20 20 20 20 20 20 | 20 20 69 66 20 28 63 6f |.X      |  if (co|
|00002430| 6d 70 61 63 74 29 0a 58 | 20 20 20 20 20 20 20 20 |mpact).X|        |
|00002440| 7b 0a 58 20 20 20 20 20 | 20 20 20 20 20 20 20 6f |{.X     |       o|
|00002450| 66 66 73 65 74 20 3d 20 | 28 69 20 2f 20 72 77 73 |ffset = |(i / rws|
|00002460| 29 20 2a 20 63 6f 6c 75 | 6d 6e 5f 77 69 64 74 68 |) * colu|mn_width|
|00002470| 3b 0a 58 20 20 20 20 20 | 20 20 20 20 20 20 20 6d |;.X     |       m|
|00002480| 6f 76 65 5f 63 75 72 73 | 6f 72 28 28 69 20 25 20 |ove_curs|or((i % |
|00002490| 72 77 73 29 20 2b 20 32 | 2c 20 6f 66 66 73 65 74 |rws) + 2|, offset|
|000024a0| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 7d 0a 58 20 |);.X    |    }.X |
|000024b0| 20 20 20 20 20 20 20 63 | 6c 65 61 72 5f 74 6f 5f |       c|lear_to_|
|000024c0| 65 6e 64 5f 6f 66 5f 6c | 69 6e 65 28 29 3b 0a 58 |end_of_l|ine();.X|
|000024d0| 20 20 20 20 20 20 20 20 | 28 76 6f 69 64 29 66 70 |        |(void)fp|
|000024e0| 75 74 73 28 22 20 20 22 | 2c 20 73 74 64 6f 75 74 |uts("  "|, stdout|
|000024f0| 29 3b 20 20 2f 2f 20 74 | 77 6f 20 73 70 61 63 65 |);  // t|wo space|
|00002500| 73 20 66 6f 72 20 69 6e | 69 74 69 61 6c 20 69 6e |s for in|itial in|
|00002510| 64 65 6e 74 61 74 69 6f | 6e 0a 58 20 20 20 20 20 |dentatio|n.X     |
|00002520| 20 20 20 65 6e 74 65 72 | 5f 73 74 61 6e 64 6f 75 |   enter|_standou|
|00002530| 74 5f 6d 6f 64 65 28 29 | 3b 0a 58 20 20 20 20 20 |t_mode()|;.X     |
|00002540| 20 20 20 28 76 6f 69 64 | 29 66 70 72 69 6e 74 66 |   (void|)fprintf|
|00002550| 28 73 74 64 6f 75 74 2c | 20 22 25 2a 64 22 2c 20 |(stdout,| "%*d", |
|00002560| 64 69 67 69 74 73 2c 20 | 69 20 2b 20 31 29 3b 0a |digits, |i + 1);.|
|00002570| 58 20 20 20 20 20 20 20 | 20 65 6e 64 5f 73 74 61 |X       | end_sta|
|00002580| 6e 64 6f 75 74 5f 6d 6f | 64 65 28 29 3b 0a 58 20 |ndout_mo|de();.X |
|00002590| 20 20 20 20 20 20 20 70 | 75 74 63 68 61 72 28 27 |       p|utchar('|
|000025a0| 20 27 29 3b 20 20 20 20 | 20 20 20 20 20 20 20 20 | ');    |        |
|000025b0| 20 20 20 2f 2f 20 61 6e | 64 20 6f 6e 65 20 6d 6f |   // an|d one mo|
|000025c0| 72 65 20 62 65 74 77 65 | 65 6e 20 6e 75 6d 62 65 |re betwe|en numbe|
|000025d0| 72 20 61 6e 64 20 61 72 | 65 61 0a 58 20 20 20 20 |r and ar|ea.X    |
|000025e0| 20 20 20 20 64 69 73 70 | 6c 61 79 5f 73 74 72 69 |    disp|lay_stri|
|000025f0| 6e 67 28 61 72 65 61 73 | 5b 69 5d 2c 20 30 2c 20 |ng(areas|[i], 0, |
|00002600| 64 69 67 69 74 73 20 2b | 20 33 20 2b 20 6f 66 66 |digits +| 3 + off|
|00002610| 73 65 74 29 3b 0a 58 20 | 20 20 20 7d 0a 58 0a 58 |set);.X |   }.X.X|
|00002620| 20 20 20 20 2f 2f 20 63 | 6c 65 61 72 20 72 65 6d |    // c|lear rem|
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|00002640| 65 73 0a 58 20 20 20 20 | 66 6f 72 20 28 3b 20 69 |es.X    |for (; i|
|00002650| 20 3c 20 72 6f 77 73 28 | 29 20 2d 20 34 3b 20 69 | < rows(|) - 4; i|
|00002660| 2b 2b 29 20 7b 20 63 6c | 65 61 72 5f 74 6f 5f 65 |++) { cl|ear_to_e|
|00002670| 6e 64 5f 6f 66 5f 6c 69 | 6e 65 28 29 3b 20 63 75 |nd_of_li|ne(); cu|
|00002680| 72 73 6f 72 5f 77 72 61 | 70 28 29 3b 20 7d 0a 58 |rsor_wra|p(); }.X|
|00002690| 7d 0a 58 0a 58 2f 2a 0a | 58 2a 2a 20 68 65 6c 70 |}.X.X/*.|X** help|
|000026a0| 20 2d 20 64 69 73 70 6c | 61 79 20 73 6f 6d 65 20 | - displ|ay some |
|000026b0| 68 65 6c 70 20 6c 69 6e | 65 73 2e 20 20 54 68 65 |help lin|es.  The|
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|000026d0| 20 6f 66 20 74 68 65 20 | 6f 75 74 70 75 74 0a 58 | of the |output.X|
|000026e0| 2a 2a 20 20 20 20 20 20 | 20 20 63 6f 6e 73 69 73 |**      |  consis|
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|00002700| 65 20 60 6d 73 67 5c 27 | 20 61 6e 64 20 74 68 65 |e `msg\'| and the|
|00002710| 6e 20 61 20 62 6c 61 6e | 6b 20 6c 69 6e 65 2e 0a |n a blan|k line..|
|00002720| 58 2a 2a 20 20 20 20 20 | 20 20 20 54 68 69 73 20 |X**     |   This |
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|00002740| 68 65 20 63 6f 6e 74 65 | 6e 74 73 20 6f 66 20 60 |he conte|nts of `|
|00002750| 6c 69 6e 65 73 5c 27 2c | 20 77 68 69 63 68 20 68 |lines\',| which h|
|00002760| 61 73 20 60 64 69 6d 5c | 27 0a 58 2a 2a 20 20 20 |as `dim\|'.X**   |
|00002770| 20 20 20 20 20 65 6c 65 | 6d 65 6e 74 73 2e 0a 58 |     ele|ments..X|
|00002780| 2a 2a 0a 58 2a 2f 0a 58 | 0a 58 73 74 61 74 69 63 |**.X*/.X|.Xstatic|
|00002790| 20 76 6f 69 64 20 68 65 | 6c 70 28 63 6f 6e 73 74 | void he|lp(const|
|000027a0| 20 63 68 61 72 20 2a 6c | 69 6e 65 73 5b 5d 2c 20 | char *l|ines[], |
|000027b0| 69 6e 74 20 64 69 6d 2c | 20 63 6f 6e 73 74 20 63 |int dim,| const c|
|000027c0| 68 61 72 20 2a 6d 73 67 | 29 0a 58 7b 0a 58 20 20 |har *msg|).X{.X  |
|000027d0| 20 20 53 74 72 69 6e 67 | 20 6f 6c 64 5f 6d 6f 64 |  String| old_mod|
|000027e0| 65 6c 69 6e 65 28 63 75 | 72 72 65 6e 74 5f 6d 6f |eline(cu|rrent_mo|
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|000050d0| 67 67 69 6e 67 2c 0a 58 | 2a 2a 20 20 20 20 20 20 |gging,.X|**      |
|000050e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000050f0| 74 68 69 73 20 6f 66 66 | 73 65 74 20 69 73 20 7a |this off|set is z|
|00005100| 65 72 6f 2c 20 77 68 69 | 63 68 20 77 65 20 6d 61 |ero, whi|ch we ma|
|00005110| 6b 65 20 74 68 65 20 64 | 65 66 61 75 6c 74 2e 0a |ke the d|efault..|
|00005120| 58 2a 2f 0a 58 0a 58 73 | 74 61 74 69 63 20 76 6f |X*/.X.Xs|tatic vo|
|00005130| 69 64 20 75 70 64 61 74 | 65 5f 73 75 62 73 63 72 |id updat|e_subscr|
|00005140| 69 62 65 72 73 28 63 6f | 6e 73 74 20 64 61 74 75 |ibers(co|nst datu|
|00005150| 6d 20 64 61 74 61 2c 20 | 63 6f 6e 73 74 20 63 68 |m data, |const ch|
|00005160| 61 72 20 2a 6e 75 6d 62 | 65 72 2c 0a 58 20 20 20 |ar *numb|er,.X   |
|00005170| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005180| 20 20 20 20 20 20 20 20 | 20 20 20 20 63 6f 6e 73 |        |    cons|
|00005190| 74 20 4d 6f 64 69 66 69 | 65 64 20 68 6f 77 2c 20 |t Modifi|ed how, |
|000051a0| 69 6e 74 20 6f 66 66 73 | 65 74 20 3d 20 30 29 0a |int offs|et = 0).|
|000051b0| 58 7b 0a 58 23 69 66 64 | 65 66 20 4d 41 49 4c 50 |X{.X#ifd|ef MAILP|
|000051c0| 52 4f 47 0a 58 20 20 20 | 20 63 6f 6e 73 74 20 63 |ROG.X   | const c|
|000051d0| 68 61 72 20 2a 6d 61 69 | 6c 70 72 6f 67 20 3d 20 |har *mai|lprog = |
|000051e0| 4d 41 49 4c 50 52 4f 47 | 3b 0a 58 23 65 6c 73 65 |MAILPROG|;.X#else|
|000051f0| 0a 58 20 20 20 20 63 6f | 6e 73 74 20 63 68 61 72 |.X    co|nst char|
|00005200| 20 2a 6d 61 69 6c 70 72 | 6f 67 20 3d 20 22 2f 62 | *mailpr|og = "/b|
|00005210| 69 6e 2f 6d 61 69 6c 22 | 3b 0a 58 23 65 6e 64 69 |in/mail"|;.X#endi|
|00005220| 66 0a 58 0a 58 20 20 20 | 20 2f 2f 20 64 6f 65 73 |f.X.X   | // does|
|00005230| 20 60 6d 61 69 6c 70 72 | 6f 67 5c 27 20 72 65 61 | `mailpr|og\' rea|
|00005240| 6c 6c 79 20 65 78 69 73 | 74 3f 0a 58 20 20 20 20 |lly exis|t?.X    |
|00005250| 69 66 20 28 21 72 65 61 | 64 5f 61 6e 64 5f 65 78 |if (!rea|d_and_ex|
|00005260| 65 63 5f 70 65 72 6d 28 | 6d 61 69 6c 70 72 6f 67 |ec_perm(|mailprog|
|00005270| 29 29 0a 58 20 20 20 20 | 20 20 20 20 65 72 72 6f |)).X    |    erro|
|00005280| 72 28 22 66 69 6c 65 20 | 25 73 2c 20 6c 69 6e 65 |r("file |%s, line|
|00005290| 20 25 64 2c 20 60 25 73 | 27 20 64 6f 65 73 6e 27 | %d, `%s|' doesn'|
|000052a0| 74 20 61 70 70 65 61 72 | 20 74 6f 20 62 65 20 65 |t appear| to be e|
|000052b0| 78 65 63 75 74 61 62 6c | 65 22 2c 0a 58 20 20 20 |xecutabl|e",.X   |
|000052c0| 20 20 20 20 20 20 20 20 | 20 20 20 5f 5f 46 49 4c |        |   __FIL|
|000052d0| 45 5f 5f 2c 20 5f 5f 4c | 49 4e 45 5f 5f 2c 20 6d |E__, __L|INE__, m|
|000052e0| 61 69 6c 70 72 6f 67 29 | 3b 0a 58 0a 58 20 20 20 |ailprog)|;.X.X   |
|000052f0| 20 69 6e 74 20 6d 61 69 | 6c 66 64 20 20 20 3d 20 | int mai|lfd   = |
|00005300| 6f 70 65 6e 5f 6d 61 69 | 6c 6c 69 73 74 5f 66 69 |open_mai|llist_fi|
|00005310| 6c 65 28 29 3b 0a 58 20 | 20 20 20 46 49 4c 45 20 |le();.X |   FILE |
|00005320| 2a 6d 61 69 6c 66 70 20 | 3d 20 66 64 6f 70 65 6e |*mailfp |= fdopen|
|00005330| 28 6d 61 69 6c 66 64 2c | 20 22 72 22 29 3b 0a 58 |(mailfd,| "r");.X|
|00005340| 20 20 20 20 69 66 20 28 | 21 6d 61 69 6c 66 70 29 |    if (|!mailfp)|
|00005350| 0a 58 20 20 20 20 20 20 | 20 20 65 72 72 6f 72 28 |.X      |  error(|
|00005360| 22 66 69 6c 65 20 25 73 | 2c 20 6c 69 6e 65 20 25 |"file %s|, line %|
|00005370| 64 2c 20 66 64 6f 70 65 | 6e 28 29 20 66 61 69 6c |d, fdope|n() fail|
|00005380| 65 64 22 2c 20 5f 5f 46 | 49 4c 45 5f 5f 2c 20 5f |ed", __F|ILE__, _|
|00005390| 5f 4c 49 4e 45 5f 5f 29 | 3b 0a 58 0a 58 20 20 20 |_LINE__)|;.X.X   |
|000053a0| 20 63 6f 6e 73 74 20 69 | 6e 74 20 6e 61 6d 65 6c | const i|nt namel|
|000053b0| 65 6e 20 20 20 3d 20 31 | 30 3b 20 20 2f 2f 20 61 |en   = 1|0;  // a|
|000053c0| 76 65 72 61 67 65 20 6c | 65 6e 67 74 68 20 6f 66 |verage l|ength of|
|000053d0| 20 75 69 64 20 65 78 70 | 65 63 74 65 64 0a 58 20 | uid exp|ected.X |
|000053e0| 20 20 20 63 6f 6e 73 74 | 20 69 6e 74 20 63 68 75 |   const| int chu|
|000053f0| 6e 6b 73 69 7a 65 20 3d | 20 32 30 3b 20 20 2f 2f |nksize =| 20;  //|
|00005400| 20 61 76 65 72 61 67 65 | 20 6e 75 6d 62 65 72 20 | average| number |
|00005410| 6f 66 20 73 75 62 73 63 | 72 69 62 65 65 73 20 65 |of subsc|ribees e|
|00005420| 78 70 65 63 74 65 64 0a | 58 20 20 20 20 63 68 61 |xpected.|X    cha|
|00005430| 72 20 2a 2a 61 72 67 73 | 20 3d 20 6e 65 77 20 63 |r **args| = new c|
|00005440| 68 61 72 2a 5b 63 68 75 | 6e 6b 73 69 7a 65 5d 3b |har*[chu|nksize];|
|00005450| 0a 58 20 20 20 20 61 72 | 67 73 5b 30 5d 20 3d 20 |.X    ar|gs[0] = |
|00005460| 22 6d 61 69 6c 22 3b 0a | 58 20 20 20 20 63 68 61 |"mail";.|X    cha|
|00005470| 72 20 2a 66 6d 74 20 3d | 20 22 53 75 62 6a 65 63 |r *fmt =| "Subjec|
|00005480| 74 3a 20 25 73 20 70 72 | 6f 62 6c 65 6d 20 23 20 |t: %s pr|oblem # |
|00005490| 25 73 20 25 73 20 62 79 | 20 25 73 5c 6e 5c 6e 22 |%s %s by| %s\n\n"|
|000054a0| 3b 0a 58 20 20 20 20 63 | 68 61 72 20 2a 73 75 62 |;.X    c|har *sub|
|000054b0| 6a 65 63 74 20 3d 20 6e | 65 77 20 63 68 61 72 5b |ject = n|ew char[|
|000054c0| 73 74 72 6c 65 6e 28 66 | 6d 74 29 20 2b 20 73 74 |strlen(f|mt) + st|
|000054d0| 72 6c 65 6e 28 43 75 72 | 72 65 6e 74 41 72 65 61 |rlen(Cur|rentArea|
|000054e0| 28 29 29 20 2b 0a 58 20 | 20 20 20 20 20 20 20 20 |()) +.X |        |
|000054f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005500| 20 20 20 20 73 74 72 6c | 65 6e 28 6e 75 6d 62 65 |    strl|en(numbe|
|00005510| 72 29 20 2b 20 73 74 72 | 6c 65 6e 28 48 6f 77 5b |r) + str|len(How[|
|00005520| 68 6f 77 5d 29 20 2b 0a | 58 20 20 20 20 20 20 20 |how]) +.|X       |
|00005530| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005540| 20 20 20 20 20 20 73 74 | 72 6c 65 6e 28 75 73 65 |      st|rlen(use|
|00005550| 72 6e 61 6d 65 28 29 29 | 20 2d 20 37 5d 3b 0a 58 |rname())| - 7];.X|
|00005560| 20 20 20 20 28 76 6f 69 | 64 29 73 70 72 69 6e 74 |    (voi|d)sprint|
|00005570| 66 28 73 75 62 6a 65 63 | 74 2c 20 66 6d 74 2c 20 |f(subjec|t, fmt, |
|00005580| 43 75 72 72 65 6e 74 41 | 72 65 61 28 29 2c 20 6e |CurrentA|rea(), n|
|00005590| 75 6d 62 65 72 2c 20 48 | 6f 77 5b 68 6f 77 5d 2c |umber, H|ow[how],|
|000055a0| 20 75 73 65 72 6e 61 6d | 65 28 29 29 3b 0a 58 0a | usernam|e());.X.|
|000055b0| 58 20 20 20 20 2f 2f 0a | 58 20 20 20 20 2f 2f 20 |X    //.|X    // |
|000055c0| 41 72 65 20 74 68 65 72 | 65 20 61 6e 79 20 73 75 |Are ther|e any su|
|000055d0| 62 73 63 72 69 62 65 72 | 73 3f 0a 58 20 20 20 20 |bscriber|s?.X    |
|000055e0| 2f 2f 0a 58 20 20 20 20 | 69 6e 74 20 6e 6c 69 6e |//.X    |int nlin|
|000055f0| 65 73 20 3d 20 72 65 61 | 64 5f 66 69 6c 65 28 6d |es = rea|d_file(m|
|00005600| 61 69 6c 66 70 2c 20 61 | 72 67 73 2c 20 63 68 75 |ailfp, a|rgs, chu|
|00005610| 6e 6b 73 69 7a 65 2c 20 | 6e 61 6d 65 6c 65 6e 2c |nksize, |namelen,|
|00005620| 20 31 29 3b 0a 58 20 20 | 20 20 69 66 20 28 6e 6c | 1);.X  |  if (nl|
|00005630| 69 6e 65 73 20 3c 20 30 | 29 0a 58 20 20 20 20 20 |ines < 0|).X     |
|00005640| 20 20 20 65 72 72 6f 72 | 28 22 66 69 6c 65 20 25 |   error|("file %|
|00005650| 73 2c 20 6c 69 6e 65 20 | 25 64 2c 20 70 72 6f 62 |s, line |%d, prob|
|00005660| 6c 65 6d 20 72 65 61 64 | 69 6e 67 20 66 72 6f 6d |lem read|ing from|
|00005670| 20 6d 61 69 6c 6c 69 73 | 74 20 66 69 6c 65 22 2c | maillis|t file",|
|00005680| 0a 58 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X      |        |
|00005690| 5f 5f 46 49 4c 45 5f 5f | 2c 20 5f 5f 4c 49 4e 45 |__FILE__|, __LINE|
|000056a0| 5f 5f 29 3b 0a 58 20 20 | 20 20 28 76 6f 69 64 29 |__);.X  |  (void)|
|000056b0| 63 6c 6f 73 65 28 6d 61 | 69 6c 66 64 29 3b 20 28 |close(ma|ilfd); (|
|000056c0| 76 6f 69 64 29 66 63 6c | 6f 73 65 28 6d 61 69 6c |void)fcl|ose(mail|
|000056d0| 66 70 29 3b 0a 58 20 20 | 20 20 69 66 20 28 6e 6c |fp);.X  |  if (nl|
|000056e0| 69 6e 65 73 20 3d 3d 20 | 30 29 0a 58 20 20 20 20 |ines == |0).X    |
|000056f0| 7b 0a 58 20 20 20 20 20 | 20 20 20 2f 2f 0a 58 20 |{.X     |   //.X |
|00005700| 20 20 20 20 20 20 20 2f | 2f 20 4e 6f 20 73 75 62 |       /|/ No sub|
|00005710| 73 63 72 69 62 65 72 73 | 2e 0a 58 20 20 20 20 20 |scribers|..X     |
|00005720| 20 20 20 2f 2f 0a 58 20 | 20 20 20 20 20 20 20 44 |   //.X |       D|
|00005730| 45 4c 45 54 45 20 73 75 | 62 6a 65 63 74 3b 0a 58 |ELETE su|bject;.X|
|00005740| 20 20 20 20 20 20 20 20 | 66 6f 72 20 28 69 6e 74 |        |for (int|
|00005750| 20 69 20 3d 20 31 3b 20 | 61 72 67 73 5b 69 5d 3b | i = 1; |args[i];|
|00005760| 20 69 2b 2b 29 20 44 45 | 4c 45 54 45 20 61 72 67 | i++) DE|LETE arg|
|00005770| 73 5b 69 5d 3b 0a 58 20 | 20 20 20 20 20 20 20 44 |s[i];.X |       D|
|00005780| 45 4c 45 54 45 20 61 72 | 67 73 3b 0a 58 0a 58 20 |ELETE ar|gs;.X.X |
|00005790| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 3b 0a 58 |       r|eturn;.X|
|000057a0| 20 20 20 20 7d 0a 58 0a | 58 20 20 20 20 69 6e 74 |    }.X.|X    int|
|000057b0| 20 66 64 73 5b 32 5d 3b | 0a 58 20 20 20 20 69 66 | fds[2];|.X    if|
|000057c0| 20 28 70 69 70 65 28 66 | 64 73 29 20 3c 20 30 29 | (pipe(f|ds) < 0)|
|000057d0| 0a 58 20 20 20 20 20 20 | 20 20 65 72 72 6f 72 28 |.X      |  error(|
|000057e0| 22 66 69 6c 65 20 25 73 | 2c 20 6c 69 6e 65 20 25 |"file %s|, line %|
|000057f0| 64 2c 20 70 69 70 65 28 | 29 20 66 61 69 6c 65 64 |d, pipe(|) failed|
|00005800| 22 2c 20 5f 5f 46 49 4c | 45 5f 5f 2c 20 5f 5f 4c |", __FIL|E__, __L|
|00005810| 49 4e 45 5f 5f 29 3b 0a | 58 0a 58 20 20 20 20 73 |INE__);.|X.X    s|
|00005820| 77 69 74 63 68 28 66 6f | 72 6b 28 29 29 0a 58 20 |witch(fo|rk()).X |
|00005830| 20 20 20 7b 0a 58 20 20 | 20 20 20 20 63 61 73 65 |   {.X  |    case|
|00005840| 20 2d 31 3a 20 2f 2f 20 | 65 72 72 6f 72 0a 58 20 | -1: // |error.X |
|00005850| 20 20 20 20 20 20 20 65 | 72 72 6f 72 28 22 66 69 |       e|rror("fi|
|00005860| 6c 65 20 25 73 2c 20 6c | 69 6e 65 20 25 64 2c 20 |le %s, l|ine %d, |
|00005870| 66 6f 72 6b 28 29 20 66 | 61 69 6c 65 64 22 2c 20 |fork() f|ailed", |
|00005880| 5f 5f 46 49 4c 45 5f 5f | 2c 20 5f 5f 4c 49 4e 45 |__FILE__|, __LINE|
|00005890| 5f 5f 29 3b 0a 58 20 20 | 20 20 20 20 63 61 73 65 |__);.X  |    case|
|000058a0| 20 30 3a 20 20 20 2f 2f | 20 69 6e 20 74 68 65 20 | 0:   //| in the |
|000058b0| 63 68 69 6c 64 0a 58 20 | 20 20 20 20 20 7b 0a 58 |child.X |     {.X|
|000058c0| 20 20 20 20 20 20 20 20 | 20 20 2f 2f 0a 58 20 20 |        |  //.X  |
|000058d0| 20 20 20 20 20 20 20 20 | 2f 2f 20 53 65 74 20 73 |        |// Set s|
|000058e0| 74 64 69 6e 20 74 6f 20 | 74 68 65 20 72 65 61 64 |tdin to |the read|
|000058f0| 20 65 6e 64 20 6f 66 20 | 70 69 70 65 2e 0a 58 20 | end of |pipe..X |
|00005900| 20 20 20 20 20 20 20 20 | 20 2f 2f 0a 58 20 20 20 |        | //.X   |
|00005910| 20 20 20 20 20 20 20 28 | 76 6f 69 64 29 63 6c 6f |       (|void)clo|
|00005920| 73 65 28 30 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |se(0);.X|        |
|00005930| 20 20 69 66 20 28 64 75 | 70 28 66 64 73 5b 30 5d |  if (du|p(fds[0]|
|00005940| 29 20 3c 20 30 29 0a 58 | 20 20 20 20 20 20 20 20 |) < 0).X|        |
|00005950| 20 20 20 20 20 20 65 72 | 72 6f 72 28 22 66 69 6c |      er|ror("fil|
|00005960| 65 20 25 73 2c 20 6c 69 | 6e 65 20 25 64 2c 20 64 |e %s, li|ne %d, d|
|00005970| 75 70 28 29 20 66 61 69 | 6c 65 64 22 2c 20 5f 5f |up() fai|led", __|
|00005980| 46 49 4c 45 5f 5f 2c 20 | 5f 5f 4c 49 4e 45 5f 5f |FILE__, |__LINE__|
|00005990| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 20 20 28 76 |);.X    |      (v|
|000059a0| 6f 69 64 29 63 6c 6f 73 | 65 28 66 64 73 5b 30 5d |oid)clos|e(fds[0]|
|000059b0| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 20 20 28 76 |);.X    |      (v|
|000059c0| 6f 69 64 29 63 6c 6f 73 | 65 28 66 64 73 5b 31 5d |oid)clos|e(fds[1]|
|000059d0| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 20 20 28 76 |);.X    |      (v|
|000059e0| 6f 69 64 29 63 6c 6f 73 | 65 28 31 29 3b 0a 58 20 |oid)clos|e(1);.X |
|000059f0| 20 20 20 20 20 20 20 20 | 20 28 76 6f 69 64 29 63 |        | (void)c|
|00005a00| 6c 6f 73 65 28 32 29 3b | 0a 58 0a 58 20 20 20 20 |lose(2);|.X.X    |
|00005a10| 20 20 20 20 20 20 65 78 | 65 63 76 70 28 6d 61 69 |      ex|ecvp(mai|
|00005a20| 6c 70 72 6f 67 2c 20 28 | 63 68 61 72 20 2a 63 6f |lprog, (|char *co|
|00005a30| 6e 73 74 20 2a 29 61 72 | 67 73 29 3b 0a 58 0a 58 |nst *)ar|gs);.X.X|
|00005a40| 20 20 20 20 20 20 20 20 | 20 20 65 78 69 74 28 31 |        |  exit(1|
|00005a50| 29 3b 20 20 2f 2f 20 65 | 78 65 63 20 66 61 69 6c |);  // e|xec fail|
|00005a60| 65 64 20 2d 2d 20 63 61 | 6e 5c 27 74 20 75 73 65 |ed -- ca|n\'t use|
|00005a70| 20 65 72 72 6f 72 5c 28 | 5c 29 20 61 73 20 73 74 | error\(|\) as st|
|00005a80| 64 6f 75 74 20 69 73 20 | 6e 6f 77 20 63 6c 6f 73 |dout is |now clos|
|00005a90| 65 64 0a 58 20 20 20 20 | 20 20 7d 0a 58 20 20 20 |ed.X    |  }.X   |
|00005aa0| 20 20 20 20 20 62 72 65 | 61 6b 3b 0a 58 20 20 20 |     bre|ak;.X   |
|00005ab0| 20 20 20 64 65 66 61 75 | 6c 74 3a 20 20 2f 2f 20 |   defau|lt:  // |
|00005ac0| 69 6e 20 74 68 65 20 70 | 61 72 65 6e 74 0a 58 20 |in the p|arent.X |
|00005ad0| 20 20 20 20 20 7b 0a 58 | 20 20 20 20 20 20 20 20 |     {.X|        |
|00005ae0| 20 20 28 76 6f 69 64 29 | 63 6c 6f 73 65 28 66 64 |  (void)|close(fd|
|00005af0| 73 5b 30 5d 29 3b 0a 58 | 20 20 20 20 20 20 20 20 |s[0]);.X|        |
|00005b00| 20 20 2f 2f 0a 58 20 20 | 20 20 20 20 20 20 20 20 |  //.X  |        |
|00005b10| 2f 2f 20 57 72 69 74 65 | 20 53 75 62 6a 65 63 74 |// Write| Subject|
|00005b20| 20 74 6f 20 70 69 70 65 | 2e 0a 58 20 20 20 20 20 | to pipe|..X     |
|00005b30| 20 20 20 20 20 77 72 69 | 74 65 5f 74 6f 5f 70 69 |     wri|te_to_pi|
|00005b40| 70 65 28 66 64 73 5b 31 | 5d 2c 20 73 75 62 6a 65 |pe(fds[1|], subje|
|00005b50| 63 74 2c 20 73 74 72 6c | 65 6e 28 73 75 62 6a 65 |ct, strl|en(subje|
|00005b60| 63 74 29 29 3b 0a 58 20 | 20 20 20 20 20 20 20 20 |ct));.X |        |
|00005b70| 20 2f 2f 0a 58 20 20 20 | 20 20 20 20 20 20 20 2f | //.X   |       /|
|00005b80| 2f 20 77 72 69 74 65 20 | 74 68 65 20 6d 61 69 6c |/ write |the mail|
|00005b90| 66 69 6c 65 20 74 6f 20 | 74 68 65 20 70 69 70 65 |file to |the pipe|
|00005ba0| 0a 58 20 20 20 20 20 20 | 20 20 20 20 2f 2f 0a 58 |.X      |    //.X|
|00005bb0| 20 20 20 20 20 20 20 20 | 20 20 73 77 69 74 63 68 |        |  switch|
|00005bc0| 20 28 68 6f 77 29 0a 58 | 20 20 20 20 20 20 20 20 | (how).X|        |
|00005bd0| 20 20 7b 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 |  {.X   |        |
|00005be0| 20 63 61 73 65 20 43 4c | 4f 53 45 44 3a 0a 58 20 | case CL|OSED:.X |
|00005bf0| 20 20 20 20 20 20 20 20 | 20 20 20 63 61 73 65 20 |        |   case |
|00005c00| 52 45 4f 50 45 4e 45 44 | 3a 0a 58 20 20 20 20 20 |REOPENED|:.X     |
|00005c10| 20 20 20 20 20 20 20 63 | 61 73 65 20 41 50 50 45 |       c|ase APPE|
|00005c20| 4e 44 45 44 3a 0a 58 20 | 20 20 20 20 20 20 20 20 |NDED:.X |        |
|00005c30| 20 20 20 63 61 73 65 20 | 4b 45 59 57 4f 52 44 4d |   case |KEYWORDM|
|00005c40| 4f 44 3a 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 |OD:.X   |        |
|00005c50| 20 7b 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.X    |        |
|00005c60| 20 20 20 20 2f 2f 0a 58 | 20 20 20 20 20 20 20 20 |    //.X|        |
|00005c70| 20 20 20 20 20 20 20 20 | 2f 2f 20 57 72 69 74 65 |        |// Write|
|00005c80| 20 74 68 65 20 66 69 65 | 6c 64 73 20 61 6e 64 20 | the fie|lds and |
|00005c90| 74 68 65 20 6e 65 77 20 | 64 61 74 61 20 6f 6e 6c |the new |data onl|
|00005ca0| 79 2e 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 |y..X    |        |
|00005cb0| 20 20 20 20 2f 2f 0a 58 | 20 20 20 20 20 20 20 20 |    //.X|        |
|00005cc0| 20 20 20 20 20 20 20 20 | 63 68 61 72 20 2a 74 61 |        |char *ta|
|00005cd0| 69 6c 20 3d 20 64 61 74 | 61 2e 64 70 74 72 3b 0a |il = dat|a.dptr;.|
|00005ce0| 58 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |X       |        |
|00005cf0| 20 66 6f 72 20 28 69 6e | 74 20 69 20 3d 20 30 3b | for (in|t i = 0;|
|00005d00| 20 69 20 3c 20 4e 46 69 | 65 6c 64 73 28 29 3b 20 | i < NFi|elds(); |
|00005d10| 69 2b 2b 29 0a 58 20 20 | 20 20 20 20 20 20 20 20 |i++).X  |        |
|00005d20| 20 20 20 20 20 20 7b 0a | 58 20 20 20 20 20 20 20 |      {.|X       |
|00005d30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 74 61 69 |        |     tai|
|00005d40| 6c 20 3d 20 73 74 72 63 | 68 72 28 74 61 69 6c 2c |l = strc|hr(tail,|
|00005d50| 20 27 5c 6e 27 29 3b 0a | 58 20 20 20 20 20 20 20 | '\n');.|X       |
|00005d60| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 74 61 69 |        |     tai|
|00005d70| 6c 20 2b 3d 20 31 3b 20 | 2f 2f 20 73 74 65 70 20 |l += 1; |// step |
|00005d80| 70 61 73 74 20 74 68 65 | 20 6e 65 77 6c 69 6e 65 |past the| newline|
|00005d90| 0a 58 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.X      |        |
|00005da0| 20 20 7d 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 |  }.X   |        |
|00005db0| 20 20 20 20 20 74 61 69 | 6c 20 2b 3d 20 31 3b 20 |     tai|l += 1; |
|00005dc0| 20 20 20 20 2f 2f 20 73 | 74 65 70 20 70 61 73 74 |    // s|tep past|
|00005dd0| 20 74 68 65 20 73 65 63 | 6f 6e 64 20 6e 65 77 6c | the sec|ond newl|
|00005de0| 69 6e 65 20 74 6f 20 74 | 68 65 20 0a 58 20 20 20 |ine to t|he .X   |
|00005df0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005e00| 20 20 20 20 20 20 20 20 | 20 20 20 20 2f 2f 20 66 |        |    // f|
|00005e10| 69 72 73 74 20 63 68 61 | 72 61 63 74 65 72 20 70 |irst cha|racter p|
|00005e20| 61 73 74 20 74 68 65 20 | 68 65 61 64 65 72 0a 58 |ast the |header.X|
|00005e30| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005e40| 2f 2f 20 77 72 69 74 65 | 20 74 68 65 20 68 65 61 |// write| the hea|
|00005e50| 64 65 72 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 |der.X   |        |
|00005e60| 20 20 20 20 20 77 72 69 | 74 65 5f 74 6f 5f 70 69 |     wri|te_to_pi|
|00005e70| 70 65 28 66 64 73 5b 31 | 5d 2c 20 64 61 74 61 2e |pe(fds[1|], data.|
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|00005ea0| 20 20 20 20 20 20 20 20 | 20 20 69 66 20 28 6f 66 |        |  if (of|
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|00005ec0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
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|00005ee0| 6c 69 6e 65 20 25 64 2c | 20 6f 66 66 73 65 74 20 |line %d,| offset |
|00005ef0| 6d 75 73 74 20 62 65 20 | 70 6f 73 69 74 69 76 65 |must be |positive|
|00005f00| 22 2c 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 |",.X    |        |
|00005f10| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 5f 5f |        |      __|
|00005f20| 46 49 4c 45 5f 5f 2c 20 | 5f 5f 4c 49 4e 45 5f 5f |FILE__, |__LINE__|
|00005f30| 29 3b 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 |);.X    |        |
|00005f40| 20 20 20 20 77 72 69 74 | 65 5f 74 6f 5f 70 69 70 |    writ|e_to_pip|
|00005f50| 65 28 66 64 73 5b 31 5d | 2c 20 64 61 74 61 2e 64 |e(fds[1]|, data.d|
|00005f60| 70 74 72 20 2b 20 6f 66 | 66 73 65 74 2c 20 64 61 |ptr + of|fset, da|
|00005f70| 74 61 2e 64 73 69 7a 65 | 2d 6f 66 66 73 65 74 2d |ta.dsize|-offset-|
|00005f80| 31 29 3b 0a 58 20 20 20 | 20 20 20 20 20 20 20 20 |1);.X   |        |
|00005f90| 20 7d 0a 58 20 20 20 20 | 20 20 20 20 20 20 20 20 | }.X    |        |
|00005fa0| 20 20 20 20 62 72 65 61 | 6b 3b 0a 58 20 20 20 20 |    brea|k;.X    |
|00005fb0| 20 20 20 20 20 20 20 20 | 63 61 73 65 20 4c 4f 47 |        |case LOG|
|00005fc0| 47 45 44 3a 0a 58 20 20 | 20 20 20 20 20 20 20 20 |GED:.X  |        |
|00005fd0| 20 20 20 20 20 20 77 72 | 69 74 65 5f 74 6f 5f 70 |      wr|ite_to_p|
|00005fe0| 69 70 65 28 66 64 73 5b | 31 5d 2c 20 64 61 74 61 |ipe(fds[|1], data|
|00005ff0| 2e 64 70 74 72 2c 20 64 | 61 74 61 2e 64 73 69 7a |.dptr, d|ata.dsiz|
|00006000| 65 20 2d 20 31 29 3b 0a | 58 20 20 20 20 20 20 20 |e - 1);.|X       |
|00006010| 20 20 20 20 20 20 20 20 | 20 62 72 65 61 6b 3b 0a |        | break;.|
|00006020| 58 20 20 20 20 20 20 20 | 20 20 20 20 20 64 65 66 |X       |     def|
|00006030| 61 75 6c 74 3a 20 65 72 | 72 6f 72 28 22 66 69 6c |ault: er|ror("fil|
|00006040| 65 20 25 73 2c 20 6c 69 | 6e 65 20 25 64 2c 20 69 |e %s, li|ne %d, i|
|00006050| 6c 6c 65 67 61 6c 20 63 | 61 73 65 20 69 6e 20 73 |llegal c|ase in s|
|00006060| 77 69 74 63 68 28 29 22 | 2c 0a 58 20 20 20 20 20 |witch()"|,.X     |
|00006070| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00006080| 20 20 20 20 20 20 5f 5f | 46 49 4c 45 5f 5f 2c 20 |      __|FILE__, |
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|000060a0| 20 20 20 20 20 20 7d 0a | 58 20 20 20 20 20 20 20 |      }.|X       |
|000060b0| 20 20 20 28 76 6f 69 64 | 29 63 6c 6f 73 65 28 66 |   (void|)close(f|
|000060c0| 64 73 5b 31 5d 29 3b 0a | 58 20 20 20 20 20 20 20 |ds[1]);.|X       |
|000060d0| 20 20 20 66 6f 72 20 28 | 69 6e 74 20 69 20 3d 20 |   for (|int i = |
|000060e0| 31 3b 20 61 72 67 73 5b | 69 5d 3b 20 69 2b 2b 29 |1; args[|i]; i++)|
|000060f0| 20 44 45 4c 45 54 45 20 | 61 72 67 73 5b 69 5d 3b | DELETE |args[i];|
|00006100| 0a 58 20 20 20 20 20 20 | 20 20 20 20 44 45 4c 45 |.X      |    DELE|
|00006110| 54 45 20 61 72 67 73 3b | 0a 58 20 20 20 20 20 20 |TE args;|.X      |
|00006120| 20 20 20 20 44 45 4c 45 | 54 45 20 73 75 62 6a 65 |    DELE|TE subje|
|00006130| 63 74 3b 0a 58 0a 58 20 | 20 20 20 20 20 20 20 20 |ct;.X.X |        |
|00006140| 20 72 65 74 75 72 6e 3b | 0a 58 20 20 20 20 20 20 | return;|.X      |
|00006150| 7d 0a 58 20 20 20 20 7d | 0a 58 7d 0a 58 0a 58 2f |}.X    }|.X}.X.X/|
|00006160| 2a 0a 58 2a 2a 20 69 6e | 76 6f 6b 65 5f 65 64 69 |*.X** in|voke_edi|
|00006170| 74 6f 72 20 2d 20 69 6e | 76 6f 6b 65 20 75 73 65 |tor - in|voke use|
|00006180| 72 73 20 65 64 69 74 6f | 72 20 6f 6e 20 60 66 69 |rs edito|r on `fi|
|00006190| 6c 65 5c 27 0a 58 2a 2f | 0a 58 0a 58 73 74 61 74 |le\'.X*/|.X.Xstat|
|000061a0| 69 63 20 76 6f 69 64 20 | 69 6e 76 6f 6b 65 5f 65 |ic void |invoke_e|
|000061b0| 64 69 74 6f 72 28 63 6f | 6e 73 74 20 63 68 61 72 |ditor(co|nst char|
|000061c0| 20 2a 66 69 6c 65 29 0a | 58 7b 0a 58 20 20 20 20 | *file).|X{.X    |
|000061d0| 63 68 61 72 20 2a 65 64 | 69 74 6f 72 20 3d 20 67 |char *ed|itor = g|
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|000061f0| 0a 58 20 20 20 20 69 66 | 20 28 65 64 69 74 6f 72 |.X    if| (editor|
|00006200| 20 3d 3d 20 30 29 20 65 | 64 69 74 6f 72 20 3d 20 | == 0) e|ditor = |
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|00006220| 2a 73 70 61 63 65 20 20 | 3d 20 73 74 72 63 68 72 |*space  |= strchr|
|00006230| 28 65 64 69 74 6f 72 2c | 20 27 20 27 29 3b 0a 58 |(editor,| ' ');.X|
|00006240| 20 20 20 20 69 66 20 28 | 73 70 61 63 65 29 20 2a |    if (|space) *|
|00006250| 73 70 61 63 65 20 3d 20 | 30 3b 20 20 2f 2f 20 6f |space = |0;  // o|
|00006260| 6e 6c 79 20 75 73 65 20 | 74 68 65 20 66 69 72 73 |nly use |the firs|
|00006270| 74 20 61 72 67 20 69 66 | 20 74 68 65 79 5c 27 72 |t arg if| they\'r|
|00006280| 65 20 3e 20 31 0a 58 20 | 20 20 20 63 6f 6e 73 74 |e > 1.X |   const|
|00006290| 20 63 68 61 72 20 2a 61 | 72 67 73 5b 33 5d 3b 0a | char *a|rgs[3];.|
|000062a0| 58 20 20 20 20 61 72 67 | 73 5b 30 5d 20 3d 20 65 |X    arg|s[0] = e|
|000062b0| 64 69 74 6f 72 3b 20 61 | 72 67 73 5b 31 5d 20 3d |ditor; a|rgs[1] =|
|000062c0| 20 66 69 6c 65 3b 20 61 | 72 67 73 5b 32 5d 20 3d | file; a|rgs[2] =|
|000062d0| 20 30 3b 0a 58 0a 58 20 | 20 20 20 2f 2f 0a 58 20 | 0;.X.X |   //.X |
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|000062f0| 75 72 73 6f 72 20 69 6e | 20 63 61 73 65 20 74 68 |ursor in| case th|
|00006300| 65 20 65 64 69 74 6f 72 | 20 64 6f 65 73 6e 5c 27 |e editor| doesn\'|
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|000063a0| 2f 20 57 65 5c 27 76 65 | 20 6a 75 73 74 20 74 79 |/ We\'ve| just ty|
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+--------+-------------------------+-------------------------+--------+--------+