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|00000090| 30 39 3a 32 30 3a 32 30 | 39 30 40 6b 72 61 6d 64 |09:20:20|90@kramd|
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|000000b0| 44 61 74 65 3a 20 31 31 | 20 4f 63 74 20 39 30 20 |Date: 11| Oct 90 |
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|000028f0| 70 61 63 6b 65 64 20 77 | 69 74 68 20 77 72 6f 6e |packed w|ith wron|
|00002900| 67 20 73 69 7a 65 21 0a | 66 69 0a 23 20 65 6e 64 |g size!.|fi.# end|
|00002910| 20 6f 66 20 27 55 41 52 | 45 41 27 0a 66 69 0a 69 | of 'UAR|EA'.fi.i|
|00002920| 66 20 74 65 73 74 20 2d | 66 20 27 61 72 67 76 30 |f test -|f 'argv0|
|00002930| 2e 63 27 20 2d 61 20 22 | 24 7b 31 7d 22 20 21 3d |.c' -a "|${1}" !=|
|00002940| 20 22 2d 63 22 20 3b 20 | 74 68 65 6e 20 0a 20 20 | "-c" ; |then .  |
|00002950| 65 63 68 6f 20 73 68 61 | 72 3a 20 57 69 6c 6c 20 |echo sha|r: Will |
|00002960| 6e 6f 74 20 63 6c 6f 62 | 62 65 72 20 65 78 69 73 |not clob|ber exis|
|00002970| 74 69 6e 67 20 66 69 6c | 65 20 5c 22 27 61 72 67 |ting fil|e \"'arg|
|00002980| 76 30 2e 63 27 5c 22 0a | 65 6c 73 65 0a 65 63 68 |v0.c'\".|else.ech|
|00002990| 6f 20 73 68 61 72 3a 20 | 45 78 74 72 61 63 74 69 |o shar: |Extracti|
|000029a0| 6e 67 20 5c 22 27 61 72 | 67 76 30 2e 63 27 5c 22 |ng \"'ar|gv0.c'\"|
|000029b0| 20 5c 28 32 33 33 20 63 | 68 61 72 61 63 74 65 72 | \(233 c|haracter|
|000029c0| 73 5c 29 0a 73 65 64 20 | 22 73 2f 5e 58 2f 2f 22 |s\).sed |"s/^X//"|
|000029d0| 20 3e 27 61 72 67 76 30 | 2e 63 27 20 3c 3c 27 45 | >'argv0|.c' <<'E|
|000029e0| 4e 44 5f 4f 46 5f 46 49 | 4c 45 27 0a 58 23 69 6e |ND_OF_FI|LE'.X#in|
|000029f0| 63 6c 75 64 65 20 3c 73 | 74 64 69 6f 2e 68 3e 0a |clude <s|tdio.h>.|
|00002a00| 58 0a 58 6d 61 69 6e 28 | 61 72 67 63 2c 61 72 67 |X.Xmain(|argc,arg|
|00002a10| 76 29 0a 58 69 6e 74 20 | 61 72 67 63 3b 0a 58 63 |v).Xint |argc;.Xc|
|00002a20| 68 61 72 20 2a 61 72 67 | 76 5b 5d 3b 0a 58 7b 0a |har *arg|v[];.X{.|
|00002a30| 58 20 69 66 20 28 61 72 | 67 63 20 3c 20 33 29 0a |X if (ar|gc < 3).|
|00002a40| 58 20 20 7b 20 66 70 75 | 74 73 28 22 55 73 61 67 |X  { fpu|ts("Usag|
|00002a50| 65 3a 20 61 72 67 76 30 | 20 72 65 61 6c 6e 61 6d |e: argv0| realnam|
|00002a60| 65 20 70 72 6f 67 72 61 | 6d 20 5b 20 61 72 67 20 |e progra|m [ arg |
|00002a70| 2e 2e 2e 20 5d 5c 6e 22 | 2c 73 74 64 65 72 72 29 |... ]\n"|,stderr)|
|00002a80| 3b 20 65 78 69 74 28 31 | 29 3b 20 7d 0a 58 20 65 |; exit(1|); }.X e|
|00002a90| 78 65 63 76 70 28 61 72 | 67 76 5b 31 5d 2c 61 72 |xecvp(ar|gv[1],ar|
|00002aa0| 67 76 20 2b 20 32 29 3b | 0a 58 20 70 65 72 72 6f |gv + 2);|.X perro|
|00002ab0| 72 28 22 61 72 67 76 30 | 3a 20 66 61 74 61 6c 3a |r("argv0|: fatal:|
|00002ac0| 20 63 61 6e 6e 6f 74 20 | 65 78 65 63 75 74 65 22 | cannot |execute"|
|00002ad0| 29 3b 0a 58 20 65 78 69 | 74 28 34 29 3b 0a 58 7d |);.X exi|t(4);.X}|
|00002ae0| 0a 45 4e 44 5f 4f 46 5f | 46 49 4c 45 0a 69 66 20 |.END_OF_|FILE.if |
|00002af0| 74 65 73 74 20 32 33 33 | 20 2d 6e 65 20 60 77 63 |test 233| -ne `wc|
|00002b00| 20 2d 63 20 3c 27 61 72 | 67 76 30 2e 63 27 60 3b | -c <'ar|gv0.c'`;|
|00002b10| 20 74 68 65 6e 0a 20 20 | 20 20 65 63 68 6f 20 73 | then.  |  echo s|
|00002b20| 68 61 72 3a 20 5c 22 27 | 61 72 67 76 30 2e 63 27 |har: \"'|argv0.c'|
|00002b30| 5c 22 20 75 6e 70 61 63 | 6b 65 64 20 77 69 74 68 |\" unpac|ked with|
|00002b40| 20 77 72 6f 6e 67 20 73 | 69 7a 65 21 0a 66 69 0a | wrong s|ize!.fi.|
|00002b50| 23 20 65 6e 64 20 6f 66 | 20 27 61 72 67 76 30 2e |# end of| 'argv0.|
|00002b60| 63 27 0a 66 69 0a 69 66 | 20 74 65 73 74 20 2d 66 |c'.fi.if| test -f|
|00002b70| 20 27 63 68 65 63 6b 70 | 6f 69 6e 74 27 20 2d 61 | 'checkp|oint' -a|
|00002b80| 20 22 24 7b 31 7d 22 20 | 21 3d 20 22 2d 63 22 20 | "${1}" |!= "-c" |
|00002b90| 3b 20 74 68 65 6e 20 0a | 20 20 65 63 68 6f 20 73 |; then .|  echo s|
|00002ba0| 68 61 72 3a 20 57 69 6c | 6c 20 6e 6f 74 20 63 6c |har: Wil|l not cl|
|00002bb0| 6f 62 62 65 72 20 65 78 | 69 73 74 69 6e 67 20 66 |obber ex|isting f|
|00002bc0| 69 6c 65 20 5c 22 27 63 | 68 65 63 6b 70 6f 69 6e |ile \"'c|heckpoin|
|00002bd0| 74 27 5c 22 0a 65 6c 73 | 65 0a 65 63 68 6f 20 73 |t'\".els|e.echo s|
|00002be0| 68 61 72 3a 20 45 78 74 | 72 61 63 74 69 6e 67 20 |har: Ext|racting |
|00002bf0| 5c 22 27 63 68 65 63 6b | 70 6f 69 6e 74 27 5c 22 |\"'check|point'\"|
|00002c00| 20 5c 28 35 37 20 63 68 | 61 72 61 63 74 65 72 73 | \(57 ch|aracters|
|00002c10| 5c 29 0a 73 65 64 20 22 | 73 2f 5e 58 2f 2f 22 20 |\).sed "|s/^X//" |
|00002c20| 3e 27 63 68 65 63 6b 70 | 6f 69 6e 74 27 20 3c 3c |>'checkp|oint' <<|
|00002c30| 27 45 4e 44 5f 4f 46 5f | 46 49 4c 45 27 0a 58 23 |'END_OF_|FILE'.X#|
|00002c40| 21 2f 62 69 6e 2f 73 68 | 0a 58 69 3d 22 24 31 22 |!/bin/sh|.Xi="$1"|
|00002c50| 0a 58 73 68 69 66 74 20 | 31 0a 58 65 78 65 63 20 |.Xshift |1.Xexec |
|00002c60| 61 72 67 76 30 20 22 24 | 69 22 20 43 48 45 43 4b |argv0 "$|i" CHECK|
|00002c70| 50 4f 49 4e 54 20 22 24 | 40 22 0a 45 4e 44 5f 4f |POINT "$|@".END_O|
|00002c80| 46 5f 46 49 4c 45 0a 69 | 66 20 74 65 73 74 20 35 |F_FILE.i|f test 5|
|00002c90| 37 20 2d 6e 65 20 60 77 | 63 20 2d 63 20 3c 27 63 |7 -ne `w|c -c <'c|
|00002ca0| 68 65 63 6b 70 6f 69 6e | 74 27 60 3b 20 74 68 65 |heckpoin|t'`; the|
|00002cb0| 6e 0a 20 20 20 20 65 63 | 68 6f 20 73 68 61 72 3a |n.    ec|ho shar:|
|00002cc0| 20 5c 22 27 63 68 65 63 | 6b 70 6f 69 6e 74 27 5c | \"'chec|kpoint'\|
|00002cd0| 22 20 75 6e 70 61 63 6b | 65 64 20 77 69 74 68 20 |" unpack|ed with |
|00002ce0| 77 72 6f 6e 67 20 73 69 | 7a 65 21 0a 66 69 0a 63 |wrong si|ze!.fi.c|
|00002cf0| 68 6d 6f 64 20 2b 78 20 | 27 63 68 65 63 6b 70 6f |hmod +x |'checkpo|
|00002d00| 69 6e 74 27 0a 23 20 65 | 6e 64 20 6f 66 20 27 63 |int'.# e|nd of 'c|
|00002d10| 68 65 63 6b 70 6f 69 6e | 74 27 0a 66 69 0a 69 66 |heckpoin|t'.fi.if|
|00002d20| 20 74 65 73 74 20 2d 66 | 20 27 63 6b 70 74 63 76 | test -f| 'ckptcv|
|00002d30| 74 27 20 2d 61 20 22 24 | 7b 31 7d 22 20 21 3d 20 |t' -a "$|{1}" != |
|00002d40| 22 2d 63 22 20 3b 20 74 | 68 65 6e 20 0a 20 20 65 |"-c" ; t|hen .  e|
|00002d50| 63 68 6f 20 73 68 61 72 | 3a 20 57 69 6c 6c 20 6e |cho shar|: Will n|
|00002d60| 6f 74 20 63 6c 6f 62 62 | 65 72 20 65 78 69 73 74 |ot clobb|er exist|
|00002d70| 69 6e 67 20 66 69 6c 65 | 20 5c 22 27 63 6b 70 74 |ing file| \"'ckpt|
|00002d80| 63 76 74 27 5c 22 0a 65 | 6c 73 65 0a 65 63 68 6f |cvt'\".e|lse.echo|
|00002d90| 20 73 68 61 72 3a 20 45 | 78 74 72 61 63 74 69 6e | shar: E|xtractin|
|00002da0| 67 20 5c 22 27 63 6b 70 | 74 63 76 74 27 5c 22 20 |g \"'ckp|tcvt'\" |
|00002db0| 5c 28 36 38 39 20 63 68 | 61 72 61 63 74 65 72 73 |\(689 ch|aracters|
|00002dc0| 5c 29 0a 73 65 64 20 22 | 73 2f 5e 58 2f 2f 22 20 |\).sed "|s/^X//" |
|00002dd0| 3e 27 63 6b 70 74 63 76 | 74 27 20 3c 3c 27 45 4e |>'ckptcv|t' <<'EN|
|00002de0| 44 5f 4f 46 5f 46 49 4c | 45 27 0a 58 23 21 2f 62 |D_OF_FIL|E'.X#!/b|
|00002df0| 69 6e 2f 73 68 0a 58 61 | 77 6b 20 27 7b 0a 58 20 |in/sh.Xa|wk '{.X |
|00002e00| 20 69 66 20 28 24 31 20 | 3d 3d 20 22 43 4b 50 54 | if ($1 |== "CKPT|
|00002e10| 22 29 0a 58 20 20 20 7b | 0a 58 20 20 20 20 69 66 |").X   {|.X    if|
|00002e20| 20 28 24 32 20 3d 3d 20 | 22 56 41 52 53 22 29 0a | ($2 == |"VARS").|
|00002e30| 58 20 20 20 20 20 7b 20 | 70 72 69 6e 74 20 22 20 |X     { |print " |
|00002e40| 43 4b 50 54 5f 56 41 52 | 31 22 3b 0a 58 20 20 20 |CKPT_VAR|1";.X   |
|00002e50| 20 20 20 20 70 72 69 6e | 74 20 22 23 75 6e 64 65 |    prin|t "#unde|
|00002e60| 66 20 43 4b 50 54 5f 48 | 45 41 44 22 3b 0a 58 20 |f CKPT_H|EAD";.X |
|00002e70| 20 20 20 20 20 20 70 72 | 69 6e 74 20 22 23 64 65 |      pr|int "#de|
|00002e80| 66 69 6e 65 20 43 4b 50 | 54 5f 48 45 41 44 20 43 |fine CKP|T_HEAD C|
|00002e90| 4b 50 54 5f 68 65 61 64 | 22 3b 0a 58 20 20 20 20 |KPT_head|";.X    |
|00002ea0| 20 20 20 70 72 69 6e 74 | 20 22 20 43 4b 50 54 5f |   print| " CKPT_|
|00002eb0| 56 41 52 34 22 3b 20 7d | 0a 58 20 20 20 20 65 6c |VAR4"; }|.X    el|
|00002ec0| 73 65 20 69 66 20 28 24 | 32 20 3d 3d 20 22 54 4f |se if ($|2 == "TO|
|00002ed0| 50 53 22 29 0a 58 20 20 | 20 20 20 7b 20 70 72 69 |PS").X  |   { pri|
|00002ee0| 6e 74 20 22 20 43 4b 50 | 54 5f 54 4f 50 31 22 3b |nt " CKP|T_TOP1";|
|00002ef0| 0a 58 20 20 20 20 20 20 | 20 70 72 69 6e 74 20 22 |.X      | print "|
|00002f00| 23 75 6e 64 65 66 20 43 | 4b 50 54 5f 53 50 4f 54 |#undef C|KPT_SPOT|
|00002f10| 22 3b 0a 58 20 20 20 20 | 20 20 20 70 72 69 6e 74 |";.X    |   print|
|00002f20| 20 22 23 64 65 66 69 6e | 65 20 43 4b 50 54 5f 53 | "#defin|e CKPT_S|
|00002f30| 50 4f 54 20 43 4b 50 54 | 5f 73 70 6f 74 22 3b 0a |POT CKPT|_spot";.|
|00002f40| 58 20 20 20 20 20 20 20 | 70 72 69 6e 74 20 22 20 |X       |print " |
|00002f50| 43 4b 50 54 5f 54 4f 50 | 34 22 20 7d 0a 58 20 20 |CKPT_TOP|4" }.X  |
|00002f60| 20 20 65 6c 73 65 20 69 | 66 20 28 24 32 20 3d 3d |  else i|f ($2 ==|
|00002f70| 20 22 50 4f 49 4e 54 22 | 29 0a 58 20 20 20 20 20 | "POINT"|).X     |
|00002f80| 7b 20 70 72 69 6e 74 20 | 22 20 43 4b 50 54 5f 31 |{ print |" CKPT_1|
|00002f90| 28 22 24 33 22 29 22 3b | 0a 58 20 20 20 20 20 20 |("$3")";|.X      |
|00002fa0| 20 70 72 69 6e 74 20 22 | 23 75 6e 64 65 66 20 43 | print "|#undef C|
|00002fb0| 4b 50 54 5f 48 45 41 44 | 22 3b 0a 58 20 20 20 20 |KPT_HEAD|";.X    |
|00002fc0| 20 20 20 70 72 69 6e 74 | 20 22 23 64 65 66 69 6e |   print| "#defin|
|00002fd0| 65 20 43 4b 50 54 5f 48 | 45 41 44 20 22 24 33 3b |e CKPT_H|EAD "$3;|
|00002fe0| 0a 58 20 20 20 20 20 20 | 20 70 72 69 6e 74 20 22 |.X      | print "|
|00002ff0| 20 43 4b 50 54 5f 34 28 | 22 24 34 22 29 22 3b 0a | CKPT_4(|"$4")";.|
|00003000| 58 20 20 20 20 20 20 20 | 70 72 69 6e 74 20 22 23 |X       |print "#|
|00003010| 75 6e 64 65 66 20 43 4b | 50 54 5f 53 50 4f 54 22 |undef CK|PT_SPOT"|
|00003020| 3b 0a 58 20 20 20 20 20 | 20 20 70 72 69 6e 74 20 |;.X     |  print |
|00003030| 22 23 64 65 66 69 6e 65 | 20 43 4b 50 54 5f 53 50 |"#define| CKPT_SP|
|00003040| 4f 54 20 22 24 34 3b 0a | 58 20 20 20 20 20 20 20 |OT "$4;.|X       |
|00003050| 70 72 69 6e 74 20 22 20 | 43 4b 50 54 5f 37 22 20 |print " |CKPT_7" |
|00003060| 7d 0a 58 20 20 20 20 65 | 6c 73 65 20 69 66 20 28 |}.X    e|lse if (|
|00003070| 24 32 20 3d 3d 20 22 42 | 4f 54 53 22 29 0a 58 20 |$2 == "B|OTS").X |
|00003080| 20 20 20 20 7b 20 70 72 | 69 6e 74 20 22 20 43 4b |    { pr|int " CK|
|00003090| 50 54 5f 42 4f 54 31 22 | 20 7d 0a 58 20 20 20 7d |PT_BOT1"| }.X   }|
|000030a0| 0a 58 20 20 65 6c 73 65 | 0a 58 20 20 20 20 70 72 |.X  else|.X    pr|
|000030b0| 69 6e 74 0a 58 7d 27 0a | 45 4e 44 5f 4f 46 5f 46 |int.X}'.|END_OF_F|
|000030c0| 49 4c 45 0a 69 66 20 74 | 65 73 74 20 36 38 39 20 |ILE.if t|est 689 |
|000030d0| 2d 6e 65 20 60 77 63 20 | 2d 63 20 3c 27 63 6b 70 |-ne `wc |-c <'ckp|
|000030e0| 74 63 76 74 27 60 3b 20 | 74 68 65 6e 0a 20 20 20 |tcvt'`; |then.   |
|000030f0| 20 65 63 68 6f 20 73 68 | 61 72 3a 20 5c 22 27 63 | echo sh|ar: \"'c|
|00003100| 6b 70 74 63 76 74 27 5c | 22 20 75 6e 70 61 63 6b |kptcvt'\|" unpack|
|00003110| 65 64 20 77 69 74 68 20 | 77 72 6f 6e 67 20 73 69 |ed with |wrong si|
|00003120| 7a 65 21 0a 66 69 0a 63 | 68 6d 6f 64 20 2b 78 20 |ze!.fi.c|hmod +x |
|00003130| 27 63 6b 70 74 63 76 74 | 27 0a 23 20 65 6e 64 20 |'ckptcvt|'.# end |
|00003140| 6f 66 20 27 63 6b 70 74 | 63 76 74 27 0a 66 69 0a |of 'ckpt|cvt'.fi.|
|00003150| 69 66 20 74 65 73 74 20 | 2d 66 20 27 70 6d 63 65 |if test |-f 'pmce|
|00003160| 6f 74 2e 63 27 20 2d 61 | 20 22 24 7b 31 7d 22 20 |ot.c' -a| "${1}" |
|00003170| 21 3d 20 22 2d 63 22 20 | 3b 20 74 68 65 6e 20 0a |!= "-c" |; then .|
|00003180| 20 20 65 63 68 6f 20 73 | 68 61 72 3a 20 57 69 6c |  echo s|har: Wil|
|00003190| 6c 20 6e 6f 74 20 63 6c | 6f 62 62 65 72 20 65 78 |l not cl|obber ex|
|000031a0| 69 73 74 69 6e 67 20 66 | 69 6c 65 20 5c 22 27 70 |isting f|ile \"'p|
|000031b0| 6d 63 65 6f 74 2e 63 27 | 5c 22 0a 65 6c 73 65 0a |mceot.c'|\".else.|
|000031c0| 65 63 68 6f 20 73 68 61 | 72 3a 20 45 78 74 72 61 |echo sha|r: Extra|
|000031d0| 63 74 69 6e 67 20 5c 22 | 27 70 6d 63 65 6f 74 2e |cting \"|'pmceot.|
|000031e0| 63 27 5c 22 20 5c 28 31 | 31 32 20 63 68 61 72 61 |c'\" \(1|12 chara|
|000031f0| 63 74 65 72 73 5c 29 0a | 73 65 64 20 22 73 2f 5e |cters\).|sed "s/^|
|00003200| 58 2f 2f 22 20 3e 27 70 | 6d 63 65 6f 74 2e 63 27 |X//" >'p|mceot.c'|
|00003210| 20 3c 3c 27 45 4e 44 5f | 4f 46 5f 46 49 4c 45 27 | <<'END_|OF_FILE'|
|00003220| 0a 58 23 69 6e 63 6c 75 | 64 65 20 22 70 6d 63 6b |.X#inclu|de "pmck|
|00003230| 70 74 2e 68 22 0a 58 0a | 58 73 74 61 74 69 63 20 |pt.h".X.|Xstatic |
|00003240| 63 68 61 72 20 63 6b 70 | 74 5f 65 6f 74 3b 20 2f |char ckp|t_eot; /|
|00003250| 2a 20 75 6e 69 6e 69 74 | 69 61 6c 69 7a 65 64 20 |* uninit|ialized |
|00003260| 2a 2f 0a 58 0a 58 76 6f | 69 64 20 63 6b 70 74 5f |*/.X.Xvo|id ckpt_|
|00003270| 73 65 74 28 73 29 0a 58 | 63 68 61 72 20 2a 2a 73 |set(s).X|char **s|
|00003280| 3b 0a 58 7b 0a 58 20 2a | 73 20 3d 20 26 63 6b 70 |;.X{.X *|s = &ckp|
|00003290| 74 5f 65 6f 74 3b 0a 58 | 7d 0a 45 4e 44 5f 4f 46 |t_eot;.X|}.END_OF|
|000032a0| 5f 46 49 4c 45 0a 69 66 | 20 74 65 73 74 20 31 31 |_FILE.if| test 11|
|000032b0| 32 20 2d 6e 65 20 60 77 | 63 20 2d 63 20 3c 27 70 |2 -ne `w|c -c <'p|
|000032c0| 6d 63 65 6f 74 2e 63 27 | 60 3b 20 74 68 65 6e 0a |mceot.c'|`; then.|
|000032d0| 20 20 20 20 65 63 68 6f | 20 73 68 61 72 3a 20 5c |    echo| shar: \|
|000032e0| 22 27 70 6d 63 65 6f 74 | 2e 63 27 5c 22 20 75 6e |"'pmceot|.c'\" un|
|000032f0| 70 61 63 6b 65 64 20 77 | 69 74 68 20 77 72 6f 6e |packed w|ith wron|
|00003300| 67 20 73 69 7a 65 21 0a | 66 69 0a 23 20 65 6e 64 |g size!.|fi.# end|
|00003310| 20 6f 66 20 27 70 6d 63 | 65 6f 74 2e 63 27 0a 66 | of 'pmc|eot.c'.f|
|00003320| 69 0a 69 66 20 74 65 73 | 74 20 2d 66 20 27 70 6d |i.if tes|t -f 'pm|
|00003330| 63 6b 70 74 2e 63 27 20 | 2d 61 20 22 24 7b 31 7d |ckpt.c' |-a "${1}|
|00003340| 22 20 21 3d 20 22 2d 63 | 22 20 3b 20 74 68 65 6e |" != "-c|" ; then|
|00003350| 20 0a 20 20 65 63 68 6f | 20 73 68 61 72 3a 20 57 | .  echo| shar: W|
|00003360| 69 6c 6c 20 6e 6f 74 20 | 63 6c 6f 62 62 65 72 20 |ill not |clobber |
|00003370| 65 78 69 73 74 69 6e 67 | 20 66 69 6c 65 20 5c 22 |existing| file \"|
|00003380| 27 70 6d 63 6b 70 74 2e | 63 27 5c 22 0a 65 6c 73 |'pmckpt.|c'\".els|
|00003390| 65 0a 65 63 68 6f 20 73 | 68 61 72 3a 20 45 78 74 |e.echo s|har: Ext|
|000033a0| 72 61 63 74 69 6e 67 20 | 5c 22 27 70 6d 63 6b 70 |racting |\"'pmckp|
|000033b0| 74 2e 63 27 5c 22 20 5c | 28 34 37 39 38 20 63 68 |t.c'\" \|(4798 ch|
|000033c0| 61 72 61 63 74 65 72 73 | 5c 29 0a 73 65 64 20 22 |aracters|\).sed "|
|000033d0| 73 2f 5e 58 2f 2f 22 20 | 3e 27 70 6d 63 6b 70 74 |s/^X//" |>'pmckpt|
|000033e0| 2e 63 27 20 3c 3c 27 45 | 4e 44 5f 4f 46 5f 46 49 |.c' <<'E|ND_OF_FI|
|000033f0| 4c 45 27 0a 58 23 69 6e | 63 6c 75 64 65 20 3c 73 |LE'.X#in|clude <s|
|00003400| 79 73 2f 74 79 70 65 73 | 2e 68 3e 0a 58 23 69 6e |ys/types|.h>.X#in|
|00003410| 63 6c 75 64 65 20 3c 73 | 79 73 2f 66 69 6c 65 2e |clude <s|ys/file.|
|00003420| 68 3e 0a 58 23 69 6e 63 | 6c 75 64 65 20 3c 73 79 |h>.X#inc|lude <sy|
|00003430| 73 2f 70 61 72 61 6d 2e | 68 3e 0a 58 23 69 6e 63 |s/param.|h>.X#inc|
|00003440| 6c 75 64 65 20 3c 73 69 | 67 6e 61 6c 2e 68 3e 0a |lude <si|gnal.h>.|
|00003450| 58 23 69 6e 63 6c 75 64 | 65 20 22 70 6d 63 6b 70 |X#includ|e "pmckp|
|00003460| 74 2e 68 22 0a 58 23 75 | 6e 64 65 66 20 6d 61 69 |t.h".X#u|ndef mai|
|00003470| 6e 0a 58 0a 58 65 78 74 | 65 72 6e 20 63 68 61 72 |n.X.Xext|ern char|
|00003480| 20 2a 67 65 74 65 6e 76 | 28 29 3b 0a 58 65 78 74 | *getenv|();.Xext|
|00003490| 65 72 6e 20 63 68 61 72 | 20 2a 73 62 72 6b 28 29 |ern char| *sbrk()|
|000034a0| 3b 0a 58 65 78 74 65 72 | 6e 20 63 6b 70 74 5f 6d |;.Xexter|n ckpt_m|
|000034b0| 61 69 6e 28 29 3b 0a 58 | 65 78 74 65 72 6e 20 6c |ain();.X|extern l|
|000034c0| 6f 6e 67 20 74 65 6c 6c | 28 29 3b 0a 58 65 78 74 |ong tell|();.Xext|
|000034d0| 65 72 6e 20 6c 6f 6e 67 | 20 6c 73 65 65 6b 28 29 |ern long| lseek()|
|000034e0| 3b 0a 58 65 78 74 65 72 | 6e 20 69 6e 74 20 62 72 |;.Xexter|n int br|
|000034f0| 6b 28 29 3b 0a 58 0a 58 | 23 64 65 66 69 6e 65 20 |k();.X.X|#define |
|00003500| 4e 55 4d 46 44 53 20 4e | 4f 46 49 4c 45 20 2f 2a |NUMFDS N|OFILE /*|
|00003510| 20 70 6f 72 74 61 62 6c | 65 20 2a 2f 0a 58 23 64 | portabl|e */.X#d|
|00003520| 65 66 69 6e 65 20 4e 55 | 4d 53 49 47 53 20 33 32 |efine NU|MSIGS 32|
|00003530| 20 2f 2a 20 58 58 58 20 | 2a 2f 0a 58 23 64 65 66 | /* XXX |*/.X#def|
|00003540| 69 6e 65 20 53 49 47 52 | 45 54 20 76 6f 69 64 0a |ine SIGR|ET void.|
|00003550| 58 0a 58 2f 2a 20 58 58 | 58 3a 20 74 20 66 6f 72 |X.X/* XX|X: t for|
|00003560| 20 74 65 78 74 20 77 61 | 73 20 61 6e 20 6f 72 69 | text wa|s an ori|
|00003570| 67 69 6e 61 6c 20 6d 69 | 73 6e 6f 6d 65 72 2e 20 |ginal mi|snomer. |
|00003580| 53 68 6f 75 6c 64 20 68 | 61 76 65 20 62 65 65 6e |Should h|ave been|
|00003590| 20 64 20 66 6f 72 20 64 | 61 74 61 2e 20 2a 2f 0a | d for d|ata. */.|
|000035a0| 58 2f 2a 20 58 58 58 3a | 20 44 6f 6e 27 74 20 6e |X/* XXX:| Don't n|
|000035b0| 65 65 64 20 74 68 65 20 | 65 6e 64 20 6f 66 20 73 |eed the |end of s|
|000035c0| 74 61 63 6b 20 70 6f 69 | 6e 74 65 72 2e 20 2a 2f |tack poi|nter. */|
|000035d0| 0a 58 2f 2a 20 58 58 58 | 3a 20 4e 65 65 64 20 42 |.X/* XXX|: Need B|
|000035e0| 53 44 20 74 69 6d 65 72 | 20 72 6f 75 74 69 6e 65 |SD timer| routine|
|000035f0| 73 20 74 6f 20 73 69 67 | 6e 61 6c 20 74 68 72 6f |s to sig|nal thro|
|00003600| 75 67 68 20 63 6b 70 74 | 5f 70 6f 69 6e 74 2e 20 |ugh ckpt|_point. |
|00003610| 2a 2f 0a 58 0a 58 2f 2a | 20 58 58 58 3a 20 4d 75 |*/.X.X/*| XXX: Mu|
|00003620| 73 74 20 69 6e 69 74 69 | 61 6c 69 7a 65 20 61 6c |st initi|alize al|
|00003630| 6c 20 74 68 65 73 65 20 | 76 61 72 69 61 62 6c 65 |l these |variable|
|00003640| 73 2e 20 57 65 20 61 73 | 73 75 6d 65 20 74 68 61 |s. We as|sume tha|
|00003650| 74 20 74 68 65 20 6c 6f | 61 64 65 72 20 2a 2f 0a |t the lo|ader */.|
|00003660| 58 2f 2a 20 70 75 74 73 | 20 73 79 6d 62 6f 6c 73 |X/* puts| symbols|
|00003670| 20 69 6e 20 6f 72 64 65 | 72 2c 20 77 69 74 68 20 | in orde|r, with |
|00003680| 69 6e 69 74 69 61 6c 69 | 7a 65 64 20 64 61 74 61 |initiali|zed data|
|00003690| 20 62 65 66 6f 72 65 20 | 75 6e 69 6e 69 74 69 61 | before |uninitia|
|000036a0| 6c 69 7a 65 64 20 64 61 | 74 61 2e 20 2a 2f 0a 58 |lized da|ta. */.X|
|000036b0| 0a 58 73 74 61 74 69 63 | 20 69 6e 74 20 66 64 20 |.Xstatic| int fd |
|000036c0| 3d 20 2d 31 3b 20 2f 2a | 20 6d 75 73 74 20 62 65 |= -1; /*| must be|
|000036d0| 20 62 65 66 6f 72 65 20 | 73 6f 74 20 2a 2f 0a 58 | before |sot */.X|
|000036e0| 73 74 61 74 69 63 20 6c | 6f 6e 67 20 63 6b 70 74 |static l|ong ckpt|
|000036f0| 5f 64 69 73 6b 62 61 73 | 65 20 3d 20 31 3b 0a 58 |_diskbas|e = 1;.X|
|00003700| 73 74 61 74 69 63 20 63 | 68 61 72 20 2a 63 6b 70 |static c|har *ckp|
|00003710| 74 5f 73 74 61 63 6b 62 | 61 73 65 20 3d 20 22 22 |t_stackb|ase = ""|
|00003720| 3b 0a 58 73 74 61 74 69 | 63 20 63 68 61 72 20 2a |;.Xstati|c char *|
|00003730| 63 6b 70 74 5f 65 6f 74 | 70 74 72 20 3d 20 22 22 |ckpt_eot|ptr = ""|
|00003740| 3b 20 2f 2a 20 65 6e 64 | 20 6f 66 20 74 65 78 74 |; /* end| of text|
|00003750| 20 70 6f 69 6e 74 65 72 | 20 2a 2f 0a 58 73 74 61 | pointer| */.Xsta|
|00003760| 74 69 63 20 63 68 61 72 | 20 2a 63 6b 70 74 5f 73 |tic char| *ckpt_s|
|00003770| 6f 73 70 74 72 20 3d 20 | 22 22 3b 20 2f 2a 20 73 |osptr = |""; /* s|
|00003780| 74 61 72 74 20 6f 66 20 | 73 74 61 63 6b 20 70 6f |tart of |stack po|
|00003790| 69 6e 74 65 72 20 2a 2f | 0a 58 73 74 61 74 69 63 |inter */|.Xstatic|
|000037a0| 20 63 68 61 72 20 2a 63 | 6b 70 74 5f 65 6f 73 70 | char *c|kpt_eosp|
|000037b0| 74 72 20 3d 20 22 22 3b | 20 2f 2a 20 65 6e 64 20 |tr = "";| /* end |
|000037c0| 6f 66 20 73 74 61 63 6b | 20 70 6f 69 6e 74 65 72 |of stack| pointer|
|000037d0| 20 2a 2f 0a 58 73 74 61 | 74 69 63 20 63 68 61 72 | */.Xsta|tic char|
|000037e0| 20 2a 63 6b 70 74 5f 6f | 72 69 67 62 72 6b 20 3d | *ckpt_o|rigbrk =|
|000037f0| 20 22 22 3b 0a 58 73 74 | 61 74 69 63 20 63 68 61 | "";.Xst|atic cha|
|00003800| 72 20 2a 63 6b 70 74 5f | 6e 65 77 62 72 6b 20 3d |r *ckpt_|newbrk =|
|00003810| 20 22 22 3b 0a 58 63 68 | 61 72 20 2a 63 6b 70 74 | "";.Xch|ar *ckpt|
|00003820| 5f 72 65 73 74 6f 72 65 | 20 3d 20 28 63 68 61 72 |_restore| = (char|
|00003830| 20 2a 29 20 30 3b 0a 58 | 69 6e 74 20 63 6b 70 74 | *) 0;.X|int ckpt|
|00003840| 5f 70 6f 69 6e 74 20 3d | 20 2d 31 3b 0a 58 73 74 |_point =| -1;.Xst|
|00003850| 61 74 69 63 20 63 68 61 | 72 20 63 6b 70 74 5f 73 |atic cha|r ckpt_s|
|00003860| 6f 74 20 3d 20 27 78 27 | 3b 20 2f 2a 20 73 74 61 |ot = 'x'|; /* sta|
|00003870| 72 74 20 6f 66 20 74 65 | 78 74 20 2a 2f 0a 58 73 |rt of te|xt */.Xs|
|00003880| 74 61 74 69 63 20 63 68 | 61 72 20 2a 63 6b 70 74 |tatic ch|ar *ckpt|
|00003890| 5f 66 6e 20 3d 20 22 43 | 48 45 43 4b 50 4f 49 4e |_fn = "C|HECKPOIN|
|000038a0| 54 22 3b 20 2f 2a 20 61 | 66 74 65 72 20 73 6f 74 |T"; /* a|fter sot|
|000038b0| 3a 20 73 68 6f 75 6c 64 | 20 62 65 20 72 65 73 74 |: should| be rest|
|000038c0| 6f 72 65 64 20 2a 2f 0a | 58 73 74 61 74 69 63 20 |ored */.|Xstatic |
|000038d0| 63 68 61 72 20 2a 63 6b | 70 74 5f 66 6e 74 65 6d |char *ck|pt_fntem|
|000038e0| 70 20 3d 20 22 43 48 45 | 43 4b 50 4f 49 4e 54 2e |p = "CHE|CKPOINT.|
|000038f0| 54 45 4d 50 22 3b 0a 58 | 0a 58 73 74 61 74 69 63 |TEMP";.X|.Xstatic|
|00003900| 20 73 74 72 75 63 74 20 | 2f 2a 20 72 65 73 74 6f | struct |/* resto|
|00003910| 72 65 64 20 61 75 74 6f | 6d 61 74 69 63 61 6c 6c |red auto|maticall|
|00003920| 79 20 77 69 74 68 20 74 | 68 65 20 72 65 73 74 20 |y with t|he rest |
|00003930| 6f 66 20 74 68 65 20 64 | 61 74 61 20 2a 2f 0a 58 |of the d|ata */.X|
|00003940| 20 7b 0a 58 20 20 2f 2a | 20 57 65 20 73 68 6f 75 | {.X  /*| We shou|
|00003950| 6c 64 20 62 75 74 20 64 | 6f 6e 27 74 20 6d 61 6b |ld but d|on't mak|
|00003960| 65 20 61 20 6c 6f 74 20 | 6f 66 20 65 66 66 6f 72 |e a lot |of effor|
|00003970| 74 20 74 6f 20 72 65 73 | 74 6f 72 65 20 75 69 64 |t to res|tore uid|
|00003980| 73 2e 20 2a 2f 0a 58 20 | 20 2f 2a 20 49 74 20 6a |s. */.X | /* It j|
|00003990| 75 73 74 20 77 6f 75 6c | 64 6e 27 74 20 62 65 20 |ust woul|dn't be |
|000039a0| 70 6f 72 74 61 62 6c 65 | 20 62 65 74 77 65 65 6e |portable| between|
|000039b0| 20 42 53 44 20 61 6e 64 | 20 53 79 73 74 65 6d 20 | BSD and| System |
|000039c0| 56 20 69 66 20 77 65 20 | 64 69 64 2e 20 2a 2f 0a |V if we |did. */.|
|000039d0| 58 20 20 69 6e 74 20 75 | 69 64 3b 0a 58 20 20 6c |X  int u|id;.X  l|
|000039e0| 6f 6e 67 20 66 70 6f 73 | 5b 4e 55 4d 46 44 53 5d |ong fpos|[NUMFDS]|
|000039f0| 3b 0a 58 20 20 53 49 47 | 52 45 54 20 28 2a 68 61 |;.X  SIG|RET (*ha|
|00003a00| 6e 64 6c 65 72 5b 4e 55 | 4d 53 49 47 53 5d 29 28 |ndler[NU|MSIGS])(|
|00003a10| 29 3b 0a 58 20 7d 0a 58 | 75 73 74 61 74 65 3b 0a |);.X }.X|ustate;.|
|00003a20| 58 0a 58 73 74 61 74 69 | 63 20 76 6f 69 64 20 67 |X.Xstati|c void g|
|00003a30| 65 74 5f 75 73 74 61 74 | 65 28 29 0a 58 7b 0a 58 |et_ustat|e().X{.X|
|00003a40| 20 69 6e 74 20 69 3b 0a | 58 0a 58 20 75 73 74 61 | int i;.|X.X usta|
|00003a50| 74 65 2e 75 69 64 20 3d | 20 67 65 74 75 69 64 28 |te.uid =| getuid(|
|00003a60| 29 3b 0a 58 20 66 6f 72 | 20 28 69 20 3d 20 30 3b |);.X for| (i = 0;|
|00003a70| 69 20 3c 20 4e 55 4d 46 | 44 53 3b 69 2b 2b 29 0a |i < NUMF|DS;i++).|
|00003a80| 58 20 20 20 75 73 74 61 | 74 65 2e 66 70 6f 73 5b |X   usta|te.fpos[|
|00003a90| 69 5d 20 3d 20 74 65 6c | 6c 28 69 29 3b 0a 58 20 |i] = tel|l(i);.X |
|00003aa0| 66 6f 72 20 28 69 20 3d | 20 30 3b 69 20 3c 20 4e |for (i =| 0;i < N|
|00003ab0| 55 4d 53 49 47 53 3b 69 | 2b 2b 29 0a 58 20 20 7b |UMSIGS;i|++).X  {|
|00003ac0| 0a 58 20 20 20 2f 2a 20 | 57 65 20 61 73 73 75 6d |.X   /* |We assum|
|00003ad0| 65 20 74 68 61 74 20 6e | 6f 20 73 69 67 6e 61 6c |e that n|o signal|
|00003ae0| 20 61 72 72 69 76 65 73 | 20 69 6e 20 74 68 69 73 | arrives| in this|
|00003af0| 20 70 65 72 69 6f 64 2e | 20 54 68 61 74 27 73 20 | period.| That's |
|00003b00| 73 74 75 70 69 64 2e 20 | 2a 2f 0a 58 20 20 20 75 |stupid. |*/.X   u|
|00003b10| 73 74 61 74 65 2e 68 61 | 6e 64 6c 65 72 5b 69 5d |state.ha|ndler[i]|
|00003b20| 20 3d 20 73 69 67 6e 61 | 6c 28 69 2c 53 49 47 5f | = signa|l(i,SIG_|
|00003b30| 49 47 4e 29 3b 0a 58 20 | 20 20 28 76 6f 69 64 29 |IGN);.X |  (void)|
|00003b40| 20 73 69 67 6e 61 6c 28 | 69 2c 75 73 74 61 74 65 | signal(|i,ustate|
|00003b50| 2e 68 61 6e 64 6c 65 72 | 5b 69 5d 29 3b 0a 58 20 |.handler|[i]);.X |
|00003b60| 20 7d 0a 58 7d 0a 58 0a | 58 73 74 61 74 69 63 20 | }.X}.X.|Xstatic |
|00003b70| 76 6f 69 64 20 73 65 74 | 5f 75 73 74 61 74 65 28 |void set|_ustate(|
|00003b80| 29 0a 58 7b 0a 58 20 69 | 6e 74 20 69 3b 0a 58 0a |).X{.X i|nt i;.X.|
|00003b90| 58 20 28 76 6f 69 64 29 | 20 73 65 74 75 69 64 28 |X (void)| setuid(|
|00003ba0| 75 73 74 61 74 65 2e 75 | 69 64 29 3b 20 2f 2a 58 |ustate.u|id); /*X|
|00003bb0| 58 58 2a 2f 0a 58 20 66 | 6f 72 20 28 69 20 3d 20 |XX*/.X f|or (i = |
|00003bc0| 30 3b 69 20 3c 20 4e 55 | 4d 46 44 53 3b 69 2b 2b |0;i < NU|MFDS;i++|
|00003bd0| 29 0a 58 20 20 20 69 66 | 20 28 75 73 74 61 74 65 |).X   if| (ustate|
|00003be0| 2e 66 70 6f 73 5b 69 5d | 20 21 3d 20 2d 31 29 0a |.fpos[i]| != -1).|
|00003bf0| 58 20 20 20 20 20 28 76 | 6f 69 64 29 20 6c 73 65 |X     (v|oid) lse|
|00003c00| 65 6b 28 69 2c 75 73 74 | 61 74 65 2e 66 70 6f 73 |ek(i,ust|ate.fpos|
|00003c10| 5b 69 5d 2c 4c 5f 53 45 | 54 29 3b 20 2f 2a 20 58 |[i],L_SE|T); /* X|
|00003c20| 58 58 3a 20 77 68 61 74 | 20 69 66 20 66 61 69 6c |XX: what| if fail|
|00003c30| 73 3f 20 2a 2f 0a 58 20 | 66 6f 72 20 28 69 20 3d |s? */.X |for (i =|
|00003c40| 20 30 3b 69 20 3c 20 4e | 55 4d 53 49 47 53 3b 69 | 0;i < N|UMSIGS;i|
|00003c50| 2b 2b 29 0a 58 20 20 7b | 0a 58 20 20 20 2f 2a 20 |++).X  {|.X   /* |
|00003c60| 58 58 58 3a 20 72 61 63 | 65 2c 20 72 61 63 65 2c |XXX: rac|e, race,|
|00003c70| 20 67 6c 6f 72 69 6f 75 | 73 20 72 61 63 65 20 2a | gloriou|s race *|
|00003c80| 2f 0a 58 20 20 20 28 76 | 6f 69 64 29 20 73 69 67 |/.X   (v|oid) sig|
|00003c90| 6e 61 6c 28 69 2c 75 73 | 74 61 74 65 2e 68 61 6e |nal(i,us|tate.han|
|00003ca0| 64 6c 65 72 5b 69 5d 29 | 3b 0a 58 20 20 7d 0a 58 |dler[i])|;.X  }.X|
|00003cb0| 7d 0a 58 0a 58 23 64 65 | 66 69 6e 65 20 68 6f 72 |}.X.X#de|fine hor|
|00003cc0| 72 69 62 6c 79 20 31 0a | 58 0a 58 73 74 61 74 69 |ribly 1.|X.Xstati|
|00003cd0| 63 20 76 6f 69 64 20 64 | 69 65 28 65 29 0a 58 69 |c void d|ie(e).Xi|
|00003ce0| 6e 74 20 65 3b 0a 58 7b | 0a 58 20 65 78 69 74 28 |nt e;.X{|.X exit(|
|00003cf0| 65 29 3b 20 2f 2a 58 58 | 58 2a 2f 0a 58 7d 0a 58 |e); /*XX|X*/.X}.X|
|00003d00| 0a 58 6d 61 69 6e 28 61 | 72 67 63 2c 61 72 67 76 |.Xmain(a|rgc,argv|
|00003d10| 2c 65 6e 76 70 29 0a 58 | 69 6e 74 20 61 72 67 63 |,envp).X|int argc|
|00003d20| 3b 0a 58 63 68 61 72 20 | 2a 61 72 67 76 5b 5d 3b |;.Xchar |*argv[];|
|00003d30| 0a 58 63 68 61 72 20 2a | 65 6e 76 70 5b 5d 3b 0a |.Xchar *|envp[];.|
|00003d40| 58 7b 0a 58 20 63 68 61 | 72 20 63 6b 70 74 5f 73 |X{.X cha|r ckpt_s|
|00003d50| 6f 73 3b 20 2f 2a 20 73 | 74 61 72 74 20 6f 66 20 |os; /* s|tart of |
|00003d60| 73 74 61 63 6b 20 2a 2f | 0a 58 0a 58 20 63 6b 70 |stack */|.X.X ckp|
|00003d70| 74 5f 70 6f 69 6e 74 20 | 3d 20 30 3b 0a 58 20 63 |t_point |= 0;.X c|
|00003d80| 6b 70 74 5f 6f 72 69 67 | 62 72 6b 20 3d 20 73 62 |kpt_orig|brk = sb|
|00003d90| 72 6b 28 30 29 3b 0a 58 | 20 63 6b 70 74 5f 73 6f |rk(0);.X| ckpt_so|
|00003da0| 73 70 74 72 20 3d 20 26 | 63 6b 70 74 5f 73 6f 73 |sptr = &|ckpt_sos|
|00003db0| 3b 0a 58 20 63 6b 70 74 | 5f 73 65 74 28 26 63 6b |;.X ckpt|_set(&ck|
|00003dc0| 70 74 5f 65 6f 74 70 74 | 72 29 3b 0a 58 20 69 66 |pt_eotpt|r);.X if|
|00003dd0| 20 28 21 73 74 72 63 6d | 70 28 61 72 67 76 5b 30 | (!strcm|p(argv[0|
|00003de0| 5d 2c 22 43 48 45 43 4b | 50 4f 49 4e 54 22 29 29 |],"CHECK|POINT"))|
|00003df0| 0a 58 20 20 7b 0a 58 20 | 20 20 69 66 20 28 28 66 |.X  {.X |  if ((f|
|00003e00| 64 20 3d 20 6f 70 65 6e | 28 61 72 67 76 5b 31 5d |d = open|(argv[1]|
|00003e10| 2c 4f 5f 52 44 4f 4e 4c | 59 29 29 20 3d 3d 20 2d |,O_RDONL|Y)) == -|
|00003e20| 31 29 20 64 69 65 28 68 | 6f 72 72 69 62 6c 79 29 |1) die(h|orribly)|
|00003e30| 3b 0a 58 20 20 20 61 72 | 67 76 20 2b 3d 20 32 3b |;.X   ar|gv += 2;|
|00003e40| 0a 58 20 20 20 69 66 20 | 28 72 65 61 64 28 66 64 |.X   if |(read(fd|
|00003e50| 2c 26 63 6b 70 74 5f 72 | 65 73 74 6f 72 65 2c 73 |,&ckpt_r|estore,s|
|00003e60| 69 7a 65 6f 66 28 63 6b | 70 74 5f 72 65 73 74 6f |izeof(ck|pt_resto|
|00003e70| 72 65 29 29 20 3d 3d 20 | 2d 31 29 20 64 69 65 28 |re)) == |-1) die(|
|00003e80| 68 6f 72 72 69 62 6c 79 | 29 3b 0a 58 20 20 20 69 |horribly|);.X   i|
|00003e90| 66 20 28 72 65 61 64 28 | 66 64 2c 26 63 6b 70 74 |f (read(|fd,&ckpt|
|00003ea0| 5f 65 6f 73 70 74 72 2c | 73 69 7a 65 6f 66 28 63 |_eosptr,|sizeof(c|
|00003eb0| 6b 70 74 5f 65 6f 73 70 | 74 72 29 29 20 3d 3d 20 |kpt_eosp|tr)) == |
|00003ec0| 2d 31 29 20 64 69 65 28 | 68 6f 72 72 69 62 6c 79 |-1) die(|horribly|
|00003ed0| 29 3b 0a 58 20 20 20 69 | 66 20 28 72 65 61 64 28 |);.X   i|f (read(|
|00003ee0| 66 64 2c 26 63 6b 70 74 | 5f 6e 65 77 62 72 6b 2c |fd,&ckpt|_newbrk,|
|00003ef0| 73 69 7a 65 6f 66 28 63 | 6b 70 74 5f 6e 65 77 62 |sizeof(c|kpt_newb|
|00003f00| 72 6b 29 29 20 3d 3d 20 | 2d 31 29 20 64 69 65 28 |rk)) == |-1) die(|
|00003f10| 68 6f 72 72 69 62 6c 79 | 29 3b 0a 58 20 20 20 63 |horribly|);.X   c|
|00003f20| 6b 70 74 5f 64 61 74 61 | 5f 72 65 73 74 6f 72 65 |kpt_data|_restore|
|00003f30| 28 29 3b 0a 58 20 20 20 | 63 6b 70 74 5f 68 65 61 |();.X   |ckpt_hea|
|00003f40| 70 5f 72 65 73 74 6f 72 | 65 28 29 3b 0a 58 20 20 |p_restor|e();.X  |
|00003f50| 20 63 6b 70 74 5f 73 74 | 61 63 6b 62 61 73 65 20 | ckpt_st|ackbase |
|00003f60| 3d 20 63 6b 70 74 5f 73 | 6f 73 70 74 72 3b 0a 58 |= ckpt_s|osptr;.X|
|00003f70| 20 20 20 69 66 20 28 63 | 6b 70 74 5f 73 6f 73 70 |   if (c|kpt_sosp|
|00003f80| 74 72 20 2d 20 63 6b 70 | 74 5f 65 6f 73 70 74 72 |tr - ckp|t_eosptr|
|00003f90| 20 3e 20 30 29 0a 58 20 | 20 20 20 20 63 6b 70 74 | > 0).X |    ckpt|
|00003fa0| 5f 64 69 73 6b 62 61 73 | 65 20 3d 20 6c 73 65 65 |_diskbas|e = lsee|
|00003fb0| 6b 28 66 64 2c 30 4c 2c | 4c 5f 58 54 4e 44 29 3b |k(fd,0L,|L_XTND);|
|00003fc0| 0a 58 20 20 20 65 6c 73 | 65 0a 58 20 20 20 20 20 |.X   els|e.X     |
|00003fd0| 63 6b 70 74 5f 64 69 73 | 6b 62 61 73 65 20 3d 20 |ckpt_dis|kbase = |
|00003fe0| 74 65 6c 6c 28 66 64 29 | 3b 0a 58 20 20 7d 0a 58 |tell(fd)|;.X  }.X|
|00003ff0| 20 72 65 74 75 72 6e 20 | 63 6b 70 74 5f 6d 61 69 | return |ckpt_mai|
|00004000| 6e 28 61 72 67 63 2c 61 | 72 67 76 2c 65 6e 76 70 |n(argc,a|rgv,envp|
|00004010| 29 3b 0a 58 7d 0a 58 0a | 58 76 6f 69 64 20 63 6b |);.X}.X.|Xvoid ck|
|00004020| 70 74 5f 64 61 74 61 5f | 72 65 73 74 6f 72 65 28 |pt_data_|restore(|
|00004030| 29 0a 58 7b 0a 58 20 2f | 2a 20 72 65 61 64 20 69 |).X{.X /|* read i|
|00004040| 6e 20 69 6e 66 6f 72 6d | 61 74 69 6f 6e 20 62 65 |n inform|ation be|
|00004050| 74 77 65 65 6e 20 26 73 | 6f 74 20 61 6e 64 20 65 |tween &s|ot and e|
|00004060| 6f 74 70 74 72 20 2a 2f | 0a 58 20 69 66 20 28 72 |otptr */|.X if (r|
|00004070| 65 61 64 28 66 64 2c 26 | 63 6b 70 74 5f 73 6f 74 |ead(fd,&|ckpt_sot|
|00004080| 2c 63 6b 70 74 5f 65 6f | 74 70 74 72 20 2d 20 26 |,ckpt_eo|tptr - &|
|00004090| 63 6b 70 74 5f 73 6f 74 | 29 20 3d 3d 20 2d 31 29 |ckpt_sot|) == -1)|
|000040a0| 20 64 69 65 28 68 6f 72 | 72 69 62 6c 79 29 3b 0a | die(hor|ribly);.|
|000040b0| 58 7d 0a 58 0a 58 76 6f | 69 64 20 63 6b 70 74 5f |X}.X.Xvo|id ckpt_|
|000040c0| 68 65 61 70 5f 72 65 73 | 74 6f 72 65 28 29 0a 58 |heap_res|tore().X|
|000040d0| 7b 0a 58 20 28 76 6f 69 | 64 29 20 62 72 6b 28 63 |{.X (voi|d) brk(c|
|000040e0| 6b 70 74 5f 6e 65 77 62 | 72 6b 29 3b 0a 58 20 69 |kpt_newb|rk);.X i|
|000040f0| 66 20 28 72 65 61 64 28 | 66 64 2c 63 6b 70 74 5f |f (read(|fd,ckpt_|
|00004100| 6f 72 69 67 62 72 6b 2c | 63 6b 70 74 5f 6e 65 77 |origbrk,|ckpt_new|
|00004110| 62 72 6b 20 2d 20 63 6b | 70 74 5f 6f 72 69 67 62 |brk - ck|pt_origb|
|00004120| 72 6b 29 20 3d 3d 20 2d | 31 29 20 64 69 65 28 68 |rk) == -|1) die(h|
|00004130| 6f 72 72 69 62 6c 79 29 | 3b 0a 58 7d 0a 58 0a 58 |orribly)|;.X}.X.X|
|00004140| 76 6f 69 64 20 63 6b 70 | 74 5f 69 6e 63 72 65 6d |void ckp|t_increm|
|00004150| 65 6e 74 28 6c 65 66 74 | 2c 72 69 67 68 74 29 0a |ent(left|,right).|
|00004160| 58 63 68 61 72 20 2a 6c | 65 66 74 3b 0a 58 63 68 |Xchar *l|eft;.Xch|
|00004170| 61 72 20 2a 72 69 67 68 | 74 3b 0a 58 7b 0a 58 20 |ar *righ|t;.X{.X |
|00004180| 69 66 20 28 72 69 67 68 | 74 20 2d 20 6c 65 66 74 |if (righ|t - left|
|00004190| 20 3e 20 30 29 0a 58 20 | 20 7b 0a 58 20 20 20 69 | > 0).X | {.X   i|
|000041a0| 66 20 28 6c 73 65 65 6b | 28 66 64 2c 63 6b 70 74 |f (lseek|(fd,ckpt|
|000041b0| 5f 64 69 73 6b 62 61 73 | 65 20 2b 20 28 6c 65 66 |_diskbas|e + (lef|
|000041c0| 74 20 2d 20 63 6b 70 74 | 5f 73 74 61 63 6b 62 61 |t - ckpt|_stackba|
|000041d0| 73 65 29 2c 4c 5f 53 45 | 54 29 20 3d 3d 20 2d 31 |se),L_SE|T) == -1|
|000041e0| 29 0a 58 20 20 20 20 20 | 64 69 65 28 68 6f 72 72 |).X     |die(horr|
|000041f0| 69 62 6c 79 29 3b 0a 58 | 20 20 20 69 66 20 28 72 |ibly);.X|   if (r|
|00004200| 65 61 64 28 66 64 2c 6c | 65 66 74 2c 72 69 67 68 |ead(fd,l|eft,righ|
|00004210| 74 20 2d 20 6c 65 66 74 | 29 20 3d 3d 20 2d 31 29 |t - left|) == -1)|
|00004220| 0a 58 20 20 20 20 20 64 | 69 65 28 68 6f 72 72 69 |.X     d|ie(horri|
|00004230| 62 6c 79 29 3b 0a 58 20 | 20 7d 0a 58 20 65 6c 73 |bly);.X | }.X els|
|00004240| 65 0a 58 20 20 7b 0a 58 | 20 20 20 2f 2a 20 63 68 |e.X  {.X|   /* ch|
|00004250| 61 72 61 63 74 65 72 20 | 61 74 20 63 6b 70 74 5f |aracter |at ckpt_|
|00004260| 73 74 61 63 6b 62 61 73 | 65 20 2d 20 78 20 69 73 |stackbas|e - x is|
|00004270| 20 61 74 20 63 6b 70 74 | 5f 64 69 73 6b 62 61 73 | at ckpt|_diskbas|
|00004280| 65 20 2b 20 78 20 2a 2f | 0a 58 20 20 20 69 66 20 |e + x */|.X   if |
|00004290| 28 6c 73 65 65 6b 28 66 | 64 2c 63 6b 70 74 5f 64 |(lseek(f|d,ckpt_d|
|000042a0| 69 73 6b 62 61 73 65 20 | 2d 20 28 63 6b 70 74 5f |iskbase |- (ckpt_|
|000042b0| 73 74 61 63 6b 62 61 73 | 65 20 2d 20 72 69 67 68 |stackbas|e - righ|
|000042c0| 74 29 2c 4c 5f 53 45 54 | 29 20 3d 3d 20 2d 31 29 |t),L_SET|) == -1)|
|000042d0| 0a 58 20 20 20 20 20 64 | 69 65 28 68 6f 72 72 69 |.X     d|ie(horri|
|000042e0| 62 6c 79 29 3b 0a 58 20 | 20 20 69 66 20 28 72 65 |bly);.X |  if (re|
|000042f0| 61 64 28 66 64 2c 72 69 | 67 68 74 2c 6c 65 66 74 |ad(fd,ri|ght,left|
|00004300| 20 2d 20 72 69 67 68 74 | 29 20 3d 3d 20 2d 31 29 | - right|) == -1)|
|00004310| 0a 58 20 20 20 20 20 64 | 69 65 28 68 6f 72 72 69 |.X     d|ie(horri|
|00004320| 62 6c 79 29 3b 0a 58 20 | 20 7d 0a 58 7d 0a 58 0a |bly);.X | }.X}.X.|
|00004330| 58 76 6f 69 64 20 63 6b | 70 74 5f 73 74 61 63 6b |Xvoid ck|pt_stack|
|00004340| 5f 72 65 73 74 6f 72 65 | 28 29 0a 58 7b 0a 58 20 |_restore|().X{.X |
|00004350| 2f 2a 20 72 65 61 64 20 | 69 6e 20 61 6e 79 20 66 |/* read |in any f|
|00004360| 69 6e 61 6c 20 69 6e 66 | 6f 72 6d 61 74 69 6f 6e |inal inf|ormation|
|00004370| 20 62 65 74 77 65 65 6e | 20 73 6f 73 70 74 72 20 | between| sosptr |
|00004380| 61 6e 64 20 63 6b 70 74 | 5f 65 6f 73 70 74 72 20 |and ckpt|_eosptr |
|00004390| 2a 2f 0a 58 20 28 76 6f | 69 64 29 20 63 6c 6f 73 |*/.X (vo|id) clos|
|000043a0| 65 28 66 64 29 3b 0a 58 | 20 73 65 74 5f 75 73 74 |e(fd);.X| set_ust|
|000043b0| 61 74 65 28 29 3b 0a 58 | 20 72 65 74 75 72 6e 3b |ate();.X| return;|
|000043c0| 0a 58 7d 0a 58 0a 58 76 | 6f 69 64 20 63 6b 70 74 |.X}.X.Xv|oid ckpt|
|000043d0| 5f 73 61 76 65 28 72 65 | 73 74 6f 72 65 2c 65 6f |_save(re|store,eo|
|000043e0| 73 70 74 72 29 0a 58 63 | 68 61 72 20 2a 72 65 73 |sptr).Xc|har *res|
|000043f0| 74 6f 72 65 3b 0a 58 63 | 68 61 72 20 2a 65 6f 73 |tore;.Xc|har *eos|
|00004400| 70 74 72 3b 0a 58 7b 0a | 58 20 67 65 74 5f 75 73 |ptr;.X{.|X get_us|
|00004410| 74 61 74 65 28 29 3b 0a | 58 20 69 66 20 28 28 66 |tate();.|X if ((f|
|00004420| 64 20 3d 20 6f 70 65 6e | 28 63 6b 70 74 5f 66 6e |d = open|(ckpt_fn|
|00004430| 74 65 6d 70 2c 4f 5f 52 | 44 57 52 20 7c 20 4f 5f |temp,O_R|DWR | O_|
|00004440| 43 52 45 41 54 20 7c 20 | 4f 5f 54 52 55 4e 43 2c |CREAT | |O_TRUNC,|
|00004450| 30 36 30 30 29 29 20 3d | 3d 20 2d 31 29 20 72 65 |0600)) =|= -1) re|
|00004460| 74 75 72 6e 3b 0a 58 20 | 69 66 20 28 77 72 69 74 |turn;.X |if (writ|
|00004470| 65 28 66 64 2c 26 72 65 | 73 74 6f 72 65 2c 73 69 |e(fd,&re|store,si|
|00004480| 7a 65 6f 66 28 72 65 73 | 74 6f 72 65 29 29 20 3d |zeof(res|tore)) =|
|00004490| 3d 20 2d 31 29 20 72 65 | 74 75 72 6e 3b 0a 58 20 |= -1) re|turn;.X |
|000044a0| 69 66 20 28 77 72 69 74 | 65 28 66 64 2c 26 65 6f |if (writ|e(fd,&eo|
|000044b0| 73 70 74 72 2c 73 69 7a | 65 6f 66 28 65 6f 73 70 |sptr,siz|eof(eosp|
|000044c0| 74 72 29 29 20 3d 3d 20 | 2d 31 29 20 72 65 74 75 |tr)) == |-1) retu|
|000044d0| 72 6e 3b 0a 58 20 63 6b | 70 74 5f 6e 65 77 62 72 |rn;.X ck|pt_newbr|
|000044e0| 6b 20 3d 20 73 62 72 6b | 28 30 29 3b 0a 58 20 69 |k = sbrk|(0);.X i|
|000044f0| 66 20 28 77 72 69 74 65 | 28 66 64 2c 26 63 6b 70 |f (write|(fd,&ckp|
|00004500| 74 5f 6e 65 77 62 72 6b | 2c 73 69 7a 65 6f 66 28 |t_newbrk|,sizeof(|
|00004510| 63 6b 70 74 5f 6e 65 77 | 62 72 6b 29 29 20 3d 3d |ckpt_new|brk)) ==|
|00004520| 20 2d 31 29 20 72 65 74 | 75 72 6e 3b 0a 58 20 69 | -1) ret|urn;.X i|
|00004530| 66 20 28 77 72 69 74 65 | 28 66 64 2c 26 63 6b 70 |f (write|(fd,&ckp|
|00004540| 74 5f 73 6f 74 2c 63 6b | 70 74 5f 65 6f 74 70 74 |t_sot,ck|pt_eotpt|
|00004550| 72 20 2d 20 26 63 6b 70 | 74 5f 73 6f 74 29 20 3d |r - &ckp|t_sot) =|
|00004560| 3d 20 2d 31 29 20 72 65 | 74 75 72 6e 3b 0a 58 20 |= -1) re|turn;.X |
|00004570| 69 66 20 28 77 72 69 74 | 65 28 66 64 2c 63 6b 70 |if (writ|e(fd,ckp|
|00004580| 74 5f 6f 72 69 67 62 72 | 6b 2c 63 6b 70 74 5f 6e |t_origbr|k,ckpt_n|
|00004590| 65 77 62 72 6b 20 2d 20 | 63 6b 70 74 5f 6f 72 69 |ewbrk - |ckpt_ori|
|000045a0| 67 62 72 6b 29 20 3d 3d | 20 2d 31 29 20 72 65 74 |gbrk) ==| -1) ret|
|000045b0| 75 72 6e 3b 0a 58 20 69 | 66 20 28 65 6f 73 70 74 |urn;.X i|f (eospt|
|000045c0| 72 20 2d 20 63 6b 70 74 | 5f 73 6f 73 70 74 72 20 |r - ckpt|_sosptr |
|000045d0| 3e 20 30 29 0a 58 20 20 | 7b 20 69 66 20 28 77 72 |> 0).X  |{ if (wr|
|000045e0| 69 74 65 28 66 64 2c 63 | 6b 70 74 5f 73 6f 73 70 |ite(fd,c|kpt_sosp|
|000045f0| 74 72 2c 65 6f 73 70 74 | 72 20 2d 20 63 6b 70 74 |tr,eospt|r - ckpt|
|00004600| 5f 73 6f 73 70 74 72 29 | 20 3d 3d 20 2d 31 29 20 |_sosptr)| == -1) |
|00004610| 72 65 74 75 72 6e 3b 20 | 7d 0a 58 20 65 6c 73 65 |return; |}.X else|
|00004620| 0a 58 20 20 7b 20 69 66 | 20 28 77 72 69 74 65 28 |.X  { if| (write(|
|00004630| 66 64 2c 65 6f 73 70 74 | 72 2c 63 6b 70 74 5f 73 |fd,eospt|r,ckpt_s|
|00004640| 6f 73 70 74 72 20 2d 20 | 65 6f 73 70 74 72 29 20 |osptr - |eosptr) |
|00004650| 3d 3d 20 2d 31 29 20 72 | 65 74 75 72 6e 3b 20 7d |== -1) r|eturn; }|
|00004660| 0a 58 20 28 76 6f 69 64 | 29 20 63 6c 6f 73 65 28 |.X (void|) close(|
|00004670| 66 64 29 3b 0a 58 20 69 | 66 20 28 72 65 6e 61 6d |fd);.X i|f (renam|
|00004680| 65 28 63 6b 70 74 5f 66 | 6e 74 65 6d 70 2c 63 6b |e(ckpt_f|ntemp,ck|
|00004690| 70 74 5f 66 6e 29 20 3d | 3d 20 2d 31 29 20 72 65 |pt_fn) =|= -1) re|
|000046a0| 74 75 72 6e 3b 0a 58 7d | 0a 58 0a 58 76 6f 69 64 |turn;.X}|.X.Xvoid|
|000046b0| 20 63 6b 70 74 5f 73 63 | 68 65 64 75 6c 65 28 29 | ckpt_sc|hedule()|
|000046c0| 0a 58 7b 0a 58 20 63 6b | 70 74 5f 70 6f 69 6e 74 |.X{.X ck|pt_point|
|000046d0| 20 3d 20 31 3b 0a 58 7d | 0a 58 0a 58 76 6f 69 64 | = 1;.X}|.X.Xvoid|
|000046e0| 20 63 6b 70 74 5f 69 6e | 69 74 28 29 0a 58 7b 0a | ckpt_in|it().X{.|
|000046f0| 58 20 69 66 20 28 67 65 | 74 65 6e 76 28 22 43 4b |X if (ge|tenv("CK|
|00004700| 50 54 46 4e 54 45 4d 50 | 22 29 29 0a 58 20 20 20 |PTFNTEMP|")).X   |
|00004710| 63 6b 70 74 5f 66 6e 74 | 65 6d 70 20 3d 20 67 65 |ckpt_fnt|emp = ge|
|00004720| 74 65 6e 76 28 22 43 4b | 50 54 46 4e 54 45 4d 50 |tenv("CK|PTFNTEMP|
|00004730| 22 29 3b 0a 58 20 69 66 | 20 28 67 65 74 65 6e 76 |");.X if| (getenv|
|00004740| 28 22 43 4b 50 54 46 4e | 22 29 29 0a 58 20 20 20 |("CKPTFN|")).X   |
|00004750| 63 6b 70 74 5f 66 6e 20 | 3d 20 67 65 74 65 6e 76 |ckpt_fn |= getenv|
|00004760| 28 22 43 4b 50 54 46 4e | 22 29 3b 0a 58 7d 0a 45 |("CKPTFN|");.X}.E|
|00004770| 4e 44 5f 4f 46 5f 46 49 | 4c 45 0a 69 66 20 74 65 |ND_OF_FI|LE.if te|
|00004780| 73 74 20 34 37 39 38 20 | 2d 6e 65 20 60 77 63 20 |st 4798 |-ne `wc |
|00004790| 2d 63 20 3c 27 70 6d 63 | 6b 70 74 2e 63 27 60 3b |-c <'pmc|kpt.c'`;|
|000047a0| 20 74 68 65 6e 0a 20 20 | 20 20 65 63 68 6f 20 73 | then.  |  echo s|
|000047b0| 68 61 72 3a 20 5c 22 27 | 70 6d 63 6b 70 74 2e 63 |har: \"'|pmckpt.c|
|000047c0| 27 5c 22 20 75 6e 70 61 | 63 6b 65 64 20 77 69 74 |'\" unpa|cked wit|
|000047d0| 68 20 77 72 6f 6e 67 20 | 73 69 7a 65 21 0a 66 69 |h wrong |size!.fi|
|000047e0| 0a 23 20 65 6e 64 20 6f | 66 20 27 70 6d 63 6b 70 |.# end o|f 'pmckp|
|000047f0| 74 2e 63 27 0a 66 69 0a | 69 66 20 74 65 73 74 20 |t.c'.fi.|if test |
|00004800| 2d 66 20 27 70 6d 63 6b | 70 74 2e 68 27 20 2d 61 |-f 'pmck|pt.h' -a|
|00004810| 20 22 24 7b 31 7d 22 20 | 21 3d 20 22 2d 63 22 20 | "${1}" |!= "-c" |
|00004820| 3b 20 74 68 65 6e 20 0a | 20 20 65 63 68 6f 20 73 |; then .|  echo s|
|00004830| 68 61 72 3a 20 57 69 6c | 6c 20 6e 6f 74 20 63 6c |har: Wil|l not cl|
|00004840| 6f 62 62 65 72 20 65 78 | 69 73 74 69 6e 67 20 66 |obber ex|isting f|
|00004850| 69 6c 65 20 5c 22 27 70 | 6d 63 6b 70 74 2e 68 27 |ile \"'p|mckpt.h'|
|00004860| 5c 22 0a 65 6c 73 65 0a | 65 63 68 6f 20 73 68 61 |\".else.|echo sha|
|00004870| 72 3a 20 45 78 74 72 61 | 63 74 69 6e 67 20 5c 22 |r: Extra|cting \"|
|00004880| 27 70 6d 63 6b 70 74 2e | 68 27 5c 22 20 5c 28 31 |'pmckpt.|h'\" \(1|
|00004890| 31 35 32 20 63 68 61 72 | 61 63 74 65 72 73 5c 29 |152 char|acters\)|
|000048a0| 0a 73 65 64 20 22 73 2f | 5e 58 2f 2f 22 20 3e 27 |.sed "s/|^X//" >'|
|000048b0| 70 6d 63 6b 70 74 2e 68 | 27 20 3c 3c 27 45 4e 44 |pmckpt.h|' <<'END|
|000048c0| 5f 4f 46 5f 46 49 4c 45 | 27 0a 58 23 69 66 6e 64 |_OF_FILE|'.X#ifnd|
|000048d0| 65 66 20 50 4d 43 4b 50 | 54 5f 48 0a 58 23 64 65 |ef PMCKP|T_H.X#de|
|000048e0| 66 69 6e 65 20 50 4d 43 | 4b 50 54 5f 48 0a 58 0a |fine PMC|KPT_H.X.|
|000048f0| 58 65 78 74 65 72 6e 20 | 76 6f 69 64 20 63 6b 70 |Xextern |void ckp|
|00004900| 74 5f 73 74 61 63 6b 5f | 72 65 73 74 6f 72 65 28 |t_stack_|restore(|
|00004910| 29 3b 0a 58 65 78 74 65 | 72 6e 20 76 6f 69 64 20 |);.Xexte|rn void |
|00004920| 63 6b 70 74 5f 64 61 74 | 61 5f 72 65 73 74 6f 72 |ckpt_dat|a_restor|
|00004930| 65 28 29 3b 0a 58 65 78 | 74 65 72 6e 20 76 6f 69 |e();.Xex|tern voi|
|00004940| 64 20 63 6b 70 74 5f 68 | 65 61 70 5f 72 65 73 74 |d ckpt_h|eap_rest|
|00004950| 6f 72 65 28 29 3b 0a 58 | 65 78 74 65 72 6e 20 76 |ore();.X|extern v|
|00004960| 6f 69 64 20 63 6b 70 74 | 5f 73 61 76 65 28 29 3b |oid ckpt|_save();|
|00004970| 0a 58 65 78 74 65 72 6e | 20 76 6f 69 64 20 63 6b |.Xextern| void ck|
|00004980| 70 74 5f 69 6e 63 72 65 | 6d 65 6e 74 28 29 3b 0a |pt_incre|ment();.|
|00004990| 58 65 78 74 65 72 6e 20 | 76 6f 69 64 20 63 6b 70 |Xextern |void ckp|
|000049a0| 74 5f 73 63 68 65 64 75 | 6c 65 28 29 3b 0a 58 65 |t_schedu|le();.Xe|
|000049b0| 78 74 65 72 6e 20 76 6f | 69 64 20 63 6b 70 74 5f |xtern vo|id ckpt_|
|000049c0| 69 6e 69 74 28 29 3b 0a | 58 65 78 74 65 72 6e 20 |init();.|Xextern |
|000049d0| 76 6f 69 64 20 63 6b 70 | 74 5f 73 65 74 28 29 3b |void ckp|t_set();|
|000049e0| 0a 58 65 78 74 65 72 6e | 20 63 68 61 72 20 2a 63 |.Xextern| char *c|
|000049f0| 6b 70 74 5f 72 65 73 74 | 6f 72 65 3b 0a 58 65 78 |kpt_rest|ore;.Xex|
|00004a00| 74 65 72 6e 20 69 6e 74 | 20 63 6b 70 74 5f 70 6f |tern int| ckpt_po|
|00004a10| 69 6e 74 3b 0a 58 0a 58 | 23 64 65 66 69 6e 65 20 |int;.X.X|#define |
|00004a20| 43 4b 50 54 5f 48 45 41 | 44 20 63 6b 70 74 5f 66 |CKPT_HEA|D ckpt_f|
|00004a30| 61 69 6c 75 72 65 0a 58 | 23 64 65 66 69 6e 65 20 |ailure.X|#define |
|00004a40| 43 4b 50 54 5f 53 50 4f | 54 20 63 6b 70 74 5f 66 |CKPT_SPO|T ckpt_f|
|00004a50| 61 69 6c 75 72 65 0a 58 | 0a 58 23 64 65 66 69 6e |ailure.X|.X#defin|
|00004a60| 65 20 6d 61 69 6e 20 63 | 6b 70 74 5f 6d 61 69 6e |e main c|kpt_main|
|00004a70| 0a 58 0a 58 23 64 65 66 | 69 6e 65 20 43 4b 50 54 |.X.X#def|ine CKPT|
|00004a80| 5f 56 41 52 31 20 73 74 | 61 74 69 63 20 63 68 61 |_VAR1 st|atic cha|
|00004a90| 72 20 43 4b 50 54 5f 68 | 65 61 64 3b 20 63 68 61 |r CKPT_h|ead; cha|
|00004aa0| 72 20 43 4b 50 54 5f 6d | 61 72 6b 3b 0a 58 23 64 |r CKPT_m|ark;.X#d|
|00004ab0| 65 66 69 6e 65 20 43 4b | 50 54 5f 56 41 52 34 20 |efine CK|PT_VAR4 |
|00004ac0| 73 74 61 74 69 63 20 63 | 68 61 72 20 2a 43 4b 50 |static c|har *CKP|
|00004ad0| 54 5f 70 6f 73 3b 20 7b | 0a 58 0a 58 23 64 65 66 |T_pos; {|.X.X#def|
|00004ae0| 69 6e 65 20 43 4b 50 54 | 5f 50 4f 49 4e 54 20 43 |ine CKPT|_POINT C|
|00004af0| 4b 50 54 5f 70 6f 73 20 | 3d 20 26 43 4b 50 54 5f |KPT_pos |= &CKPT_|
|00004b00| 48 45 41 44 3b 20 69 66 | 20 28 63 6b 70 74 5f 70 |HEAD; if| (ckpt_p|
|00004b10| 6f 69 6e 74 29 20 7b 20 | 63 68 61 72 20 43 4b 50 |oint) { |char CKP|
|00004b20| 54 5f 64 75 68 3b 20 63 | 6b 70 74 5f 73 61 76 65 |T_duh; c|kpt_save|
|00004b30| 28 26 43 4b 50 54 5f 48 | 45 41 44 2c 26 43 4b 50 |(&CKPT_H|EAD,&CKP|
|00004b40| 54 5f 64 75 68 29 3b 20 | 63 6b 70 74 5f 70 6f 69 |T_duh); |ckpt_poi|
|00004b50| 6e 74 20 3d 20 30 3b 20 | 7d 0a 58 0a 58 23 64 65 |nt = 0; |}.X.X#de|
|00004b60| 66 69 6e 65 20 43 4b 50 | 54 5f 54 4f 50 31 20 69 |fine CKP|T_TOP1 i|
|00004b70| 66 20 28 63 6b 70 74 5f | 72 65 73 74 6f 72 65 29 |f (ckpt_|restore)|
|00004b80| 20 7b 20 63 68 61 72 20 | 43 4b 50 54 5f 64 75 68 | { char |CKPT_duh|
|00004b90| 3b 20 63 6b 70 74 5f 69 | 6e 63 72 65 6d 65 6e 74 |; ckpt_i|ncrement|
|00004ba0| 28 26 43 4b 50 54 5f 6d | 61 72 6b 2c 26 43 4b 50 |(&CKPT_m|ark,&CKP|
|00004bb0| 54 5f 64 75 68 29 3b 20 | 67 6f 74 6f 20 43 4b 50 |T_duh); |goto CKP|
|00004bc0| 54 5f 66 69 6e 61 6c 3b | 20 43 4b 50 54 5f 73 70 |T_final;| CKPT_sp|
|00004bd0| 6f 74 3a 20 63 6b 70 74 | 5f 73 74 61 63 6b 5f 72 |ot: ckpt|_stack_r|
|00004be0| 65 73 74 6f 72 65 28 29 | 3b 20 63 6b 70 74 5f 72 |estore()|; ckpt_r|
|00004bf0| 65 73 74 6f 72 65 20 3d | 20 28 63 68 61 72 20 2a |estore =| (char *|
|00004c00| 29 20 30 3b 0a 58 23 64 | 65 66 69 6e 65 20 43 4b |) 0;.X#d|efine CK|
|00004c10| 50 54 5f 54 4f 50 34 20 | 7d 20 65 6c 73 65 20 7b |PT_TOP4 |} else {|
|00004c20| 20 43 4b 50 54 5f 50 4f | 49 4e 54 20 7d 0a 58 0a | CKPT_PO|INT }.X.|
|00004c30| 58 23 64 65 66 69 6e 65 | 20 43 4b 50 54 5f 31 28 |X#define| CKPT_1(|
|00004c40| 66 6f 6f 29 20 7b 20 73 | 74 61 74 69 63 20 63 68 |foo) { s|tatic ch|
|00004c50| 61 72 20 66 6f 6f 3b 20 | 69 66 20 28 30 29 20 7b |ar foo; |if (0) {|
|00004c60| 0a 58 23 64 65 66 69 6e | 65 20 43 4b 50 54 5f 34 |.X#defin|e CKPT_4|
|00004c70| 28 62 61 72 29 20 62 61 | 72 3a 20 69 66 20 28 43 |(bar) ba|r: if (C|
|00004c80| 4b 50 54 5f 70 6f 73 20 | 21 3d 20 26 43 4b 50 54 |KPT_pos |!= &CKPT|
|00004c90| 5f 48 45 41 44 29 20 67 | 6f 74 6f 20 43 4b 50 54 |_HEAD) g|oto CKPT|
|00004ca0| 5f 53 50 4f 54 3b 0a 58 | 23 64 65 66 69 6e 65 20 |_SPOT;.X|#define |
|00004cb0| 43 4b 50 54 5f 37 20 69 | 66 20 28 63 6b 70 74 5f |CKPT_7 i|f (ckpt_|
|00004cc0| 72 65 73 74 6f 72 65 20 | 3d 3d 20 26 43 4b 50 54 |restore |== &CKPT|
|00004cd0| 5f 48 45 41 44 29 20 7b | 20 63 6b 70 74 5f 73 74 |_HEAD) {| ckpt_st|
|00004ce0| 61 63 6b 5f 72 65 73 74 | 6f 72 65 28 29 3b 20 63 |ack_rest|ore(); c|
|00004cf0| 6b 70 74 5f 72 65 73 74 | 6f 72 65 20 3d 20 28 63 |kpt_rest|ore = (c|
|00004d00| 68 61 72 20 2a 29 20 30 | 3b 20 7d 20 7d 20 43 4b |har *) 0|; } } CK|
|00004d10| 50 54 5f 50 4f 49 4e 54 | 20 7d 0a 58 0a 58 23 64 |PT_POINT| }.X.X#d|
|00004d20| 65 66 69 6e 65 20 43 4b | 50 54 5f 42 4f 54 31 20 |efine CK|PT_BOT1 |
|00004d30| 7d 20 69 66 20 28 30 29 | 20 7b 20 43 4b 50 54 5f |} if (0)| { CKPT_|
|00004d40| 66 69 6e 61 6c 3a 20 67 | 6f 74 6f 20 43 4b 50 54 |final: g|oto CKPT|
|00004d50| 5f 53 50 4f 54 3b 20 7d | 0a 58 0a 58 23 65 6e 64 |_SPOT; }|.X.X#end|
|00004d60| 69 66 20 50 4d 43 4b 50 | 54 5f 48 0a 45 4e 44 5f |if PMCKP|T_H.END_|
|00004d70| 4f 46 5f 46 49 4c 45 0a | 69 66 20 74 65 73 74 20 |OF_FILE.|if test |
|00004d80| 31 31 35 32 20 2d 6e 65 | 20 60 77 63 20 2d 63 20 |1152 -ne| `wc -c |
|00004d90| 3c 27 70 6d 63 6b 70 74 | 2e 68 27 60 3b 20 74 68 |<'pmckpt|.h'`; th|
|00004da0| 65 6e 0a 20 20 20 20 65 | 63 68 6f 20 73 68 61 72 |en.    e|cho shar|
|00004db0| 3a 20 5c 22 27 70 6d 63 | 6b 70 74 2e 68 27 5c 22 |: \"'pmc|kpt.h'\"|
|00004dc0| 20 75 6e 70 61 63 6b 65 | 64 20 77 69 74 68 20 77 | unpacke|d with w|
|00004dd0| 72 6f 6e 67 20 73 69 7a | 65 21 0a 66 69 0a 23 20 |rong siz|e!.fi.# |
|00004de0| 65 6e 64 20 6f 66 20 27 | 70 6d 63 6b 70 74 2e 68 |end of '|pmckpt.h|
|00004df0| 27 0a 66 69 0a 69 66 20 | 74 65 73 74 20 2d 66 20 |'.fi.if |test -f |
|00004e00| 27 74 65 73 74 2e 63 27 | 20 2d 61 20 22 24 7b 31 |'test.c'| -a "${1|
|00004e10| 7d 22 20 21 3d 20 22 2d | 63 22 20 3b 20 74 68 65 |}" != "-|c" ; the|
|00004e20| 6e 20 0a 20 20 65 63 68 | 6f 20 73 68 61 72 3a 20 |n .  ech|o shar: |
|00004e30| 57 69 6c 6c 20 6e 6f 74 | 20 63 6c 6f 62 62 65 72 |Will not| clobber|
|00004e40| 20 65 78 69 73 74 69 6e | 67 20 66 69 6c 65 20 5c | existin|g file \|
|00004e50| 22 27 74 65 73 74 2e 63 | 27 5c 22 0a 65 6c 73 65 |"'test.c|'\".else|
|00004e60| 0a 65 63 68 6f 20 73 68 | 61 72 3a 20 45 78 74 72 |.echo sh|ar: Extr|
|00004e70| 61 63 74 69 6e 67 20 5c | 22 27 74 65 73 74 2e 63 |acting \|"'test.c|
|00004e80| 27 5c 22 20 5c 28 37 32 | 38 20 63 68 61 72 61 63 |'\" \(72|8 charac|
|00004e90| 74 65 72 73 5c 29 0a 73 | 65 64 20 22 73 2f 5e 58 |ters\).s|ed "s/^X|
|00004ea0| 2f 2f 22 20 3e 27 74 65 | 73 74 2e 63 27 20 3c 3c |//" >'te|st.c' <<|
|00004eb0| 27 45 4e 44 5f 4f 46 5f | 46 49 4c 45 27 0a 58 23 |'END_OF_|FILE'.X#|
|00004ec0| 69 6e 63 6c 75 64 65 20 | 3c 73 69 67 6e 61 6c 2e |include |<signal.|
|00004ed0| 68 3e 0a 58 23 69 6e 63 | 6c 75 64 65 20 3c 6d 61 |h>.X#inc|lude <ma|
|00004ee0| 6c 6c 6f 63 2e 68 3e 0a | 58 23 69 6e 63 6c 75 64 |lloc.h>.|X#includ|
|00004ef0| 65 20 3c 73 74 64 69 6f | 2e 68 3e 0a 58 23 69 6e |e <stdio|.h>.X#in|
|00004f00| 63 6c 75 64 65 20 22 70 | 6d 63 6b 70 74 2e 68 22 |clude "p|mckpt.h"|
|00004f10| 0a 58 0a 58 63 68 61 72 | 20 2a 66 6f 6f 73 74 72 |.X.Xchar| *foostr|
|00004f20| 20 3d 20 22 68 6d 6d 22 | 3b 0a 58 0a 58 73 75 62 | = "hmm"|;.X.Xsub|
|00004f30| 31 28 69 29 0a 58 69 6e | 74 20 69 3b 0a 58 7b 0a |1(i).Xin|t i;.X{.|
|00004f40| 58 43 4b 50 54 20 56 41 | 52 53 0a 58 20 66 6c 6f |XCKPT VA|RS.X flo|
|00004f50| 61 74 20 78 20 3d 20 69 | 20 2a 20 33 2e 31 34 3b |at x = i| * 3.14;|
|00004f60| 0a 58 20 69 6e 74 20 6b | 20 3d 20 31 30 39 34 37 |.X int k| = 10947|
|00004f70| 39 35 35 38 36 3b 0a 58 | 43 4b 50 54 20 54 4f 50 |95586;.X|CKPT TOP|
|00004f80| 53 0a 58 20 66 6f 72 20 | 28 6b 20 3d 20 31 3b 6b |S.X for |(k = 1;k|
|00004f90| 20 3c 20 33 3b 6b 2b 2b | 29 0a 58 20 20 7b 0a 58 | < 3;k++|).X  {.X|
|00004fa0| 20 20 20 73 6c 65 65 70 | 28 31 29 3b 0a 58 20 20 |   sleep|(1);.X  |
|00004fb0| 20 70 72 69 6e 74 66 28 | 22 25 64 20 25 67 20 25 | printf(|"%d %g %|
|00004fc0| 64 5c 6e 22 2c 69 2c 78 | 2c 6b 29 3b 0a 58 20 20 |d\n",i,x|,k);.X  |
|00004fd0| 20 66 66 6c 75 73 68 28 | 73 74 64 6f 75 74 29 3b | fflush(|stdout);|
|00004fe0| 0a 58 20 20 20 78 20 2b | 3d 20 6b 3b 0a 58 43 4b |.X   x +|= k;.XCK|
|00004ff0| 50 54 20 50 4f 49 4e 54 | 20 62 6f 6f 6d 20 62 6f |PT POINT| boom bo|
|00005000| 78 0a 58 20 20 7d 0a 58 | 43 4b 50 54 20 42 4f 54 |x.X  }.X|CKPT BOT|
|00005010| 53 0a 58 7d 0a 58 0a 58 | 6d 61 69 6e 28 29 0a 58 |S.X}.X.X|main().X|
|00005020| 7b 0a 58 43 4b 50 54 20 | 56 41 52 53 0a 58 20 69 |{.XCKPT |VARS.X i|
|00005030| 6e 74 20 69 20 3d 20 31 | 30 39 34 37 39 35 35 38 |nt i = 1|09479558|
|00005040| 35 3b 0a 58 20 69 6e 74 | 20 6a 20 3d 20 31 30 39 |5;.X int| j = 109|
|00005050| 34 37 39 35 35 38 35 3b | 0a 58 20 0a 58 43 4b 50 |4795585;|.X .XCKP|
|00005060| 54 20 54 4f 50 53 0a 58 | 0a 58 20 73 69 67 6e 61 |T TOPS.X|.X signa|
|00005070| 6c 28 53 49 47 49 4e 54 | 2c 63 6b 70 74 5f 73 63 |l(SIGINT|,ckpt_sc|
|00005080| 68 65 64 75 6c 65 29 3b | 0a 58 20 66 6f 6f 73 74 |hedule);|.X foost|
|00005090| 72 20 3d 20 6d 61 6c 6c | 6f 63 28 31 35 30 29 3b |r = mall|oc(150);|
|000050a0| 0a 58 20 73 74 72 63 70 | 79 28 66 6f 6f 73 74 72 |.X strcp|y(foostr|
|000050b0| 2c 22 79 6f 2c 20 64 75 | 64 65 2e 22 29 3b 0a 58 |,"yo, du|de.");.X|
|000050c0| 0a 58 20 66 6f 72 20 28 | 69 20 3d 20 30 3b 69 20 |.X for (|i = 0;i |
|000050d0| 3c 20 34 3b 69 2b 2b 29 | 0a 58 20 20 7b 0a 58 43 |< 4;i++)|.X  {.XC|
|000050e0| 4b 50 54 20 50 4f 49 4e | 54 20 68 65 61 64 31 20 |KPT POIN|T head1 |
|000050f0| 73 70 6f 74 31 0a 58 20 | 20 20 73 75 62 31 28 69 |spot1.X |  sub1(i|
|00005100| 29 3b 0a 58 20 20 20 73 | 6c 65 65 70 28 31 29 3b |);.X   s|leep(1);|
|00005110| 0a 58 20 20 20 70 72 69 | 6e 74 66 28 22 25 64 20 |.X   pri|ntf("%d |
|00005120| 25 73 5c 6e 22 2c 69 2c | 66 6f 6f 73 74 72 29 3b |%s\n",i,|foostr);|
|00005130| 0a 58 20 20 20 66 66 6c | 75 73 68 28 73 74 64 6f |.X   ffl|ush(stdo|
|00005140| 75 74 29 3b 0a 58 20 20 | 7d 0a 58 0a 58 20 66 6f |ut);.X  |}.X.X fo|
|00005150| 72 20 28 6a 20 3d 20 30 | 3b 6a 20 3c 20 32 3b 6a |r (j = 0|;j < 2;j|
|00005160| 2b 2b 29 0a 58 20 20 7b | 0a 58 43 4b 50 54 20 50 |++).X  {|.XCKPT P|
|00005170| 4f 49 4e 54 20 68 65 61 | 64 32 20 73 70 6f 74 32 |OINT hea|d2 spot2|
|00005180| 0a 58 20 20 20 73 6c 65 | 65 70 28 31 29 3b 0a 58 |.X   sle|ep(1);.X|
|00005190| 20 20 20 70 72 69 6e 74 | 66 28 22 25 64 5c 6e 22 |   print|f("%d\n"|
|000051a0| 2c 6a 29 3b 0a 58 20 20 | 20 66 66 6c 75 73 68 28 |,j);.X  | fflush(|
|000051b0| 73 74 64 6f 75 74 29 3b | 0a 58 20 20 7d 0a 58 0a |stdout);|.X  }.X.|
|000051c0| 58 43 4b 50 54 20 42 4f | 54 53 0a 58 7d 0a 45 4e |XCKPT BO|TS.X}.EN|
|000051d0| 44 5f 4f 46 5f 46 49 4c | 45 0a 69 66 20 74 65 73 |D_OF_FIL|E.if tes|
|000051e0| 74 20 37 32 38 20 2d 6e | 65 20 60 77 63 20 2d 63 |t 728 -n|e `wc -c|
|000051f0| 20 3c 27 74 65 73 74 2e | 63 27 60 3b 20 74 68 65 | <'test.|c'`; the|
|00005200| 6e 0a 20 20 20 20 65 63 | 68 6f 20 73 68 61 72 3a |n.    ec|ho shar:|
|00005210| 20 5c 22 27 74 65 73 74 | 2e 63 27 5c 22 20 75 6e | \"'test|.c'\" un|
|00005220| 70 61 63 6b 65 64 20 77 | 69 74 68 20 77 72 6f 6e |packed w|ith wron|
|00005230| 67 20 73 69 7a 65 21 0a | 66 69 0a 23 20 65 6e 64 |g size!.|fi.# end|
|00005240| 20 6f 66 20 27 74 65 73 | 74 2e 63 27 0a 66 69 0a | of 'tes|t.c'.fi.|
|00005250| 65 63 68 6f 20 73 68 61 | 72 3a 20 45 6e 64 20 6f |echo sha|r: End o|
|00005260| 66 20 73 68 65 6c 6c 20 | 61 72 63 68 69 76 65 2e |f shell |archive.|
|00005270| 0a 65 78 69 74 20 30 0a |                         |.exit 0.|        |
+--------+-------------------------+-------------------------+--------+--------+