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This file was processed as: SHell self-extracting ARchive
(archive/shar).
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| SHell self-extracting ARchive (archive/shar)
| magic
| Supported |
| 1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
| 100%
| file
| C source, ASCII text
| default
| |
| 100%
| checkBytes
| Printable ASCII
| default
| |
| 100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
| 100%
| siegfried
| fmt/329 Shell Archive Format
| default
| |
| 100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 4e 65 77 73 67 72 6f 75 | 70 73 3a 20 63 6f 6d 70 |Newsgrou|ps: comp|
|00000010| 2e 73 6f 75 72 63 65 73 | 2e 75 6e 69 78 0a 46 72 |.sources|.unix.Fr|
|00000020| 6f 6d 3a 20 62 72 6e 73 | 74 6e 64 40 6e 79 75 2e |om: brns|tnd@nyu.|
|00000030| 65 64 75 20 28 44 61 6e | 20 42 65 72 6e 73 74 65 |edu (Dan| Bernste|
|00000040| 69 6e 29 0a 53 75 62 6a | 65 63 74 3a 20 76 32 35 |in).Subj|ect: v25|
|00000050| 69 31 33 34 3a 20 47 65 | 6e 65 72 61 6c 69 7a 65 |i134: Ge|neralize|
|00000060| 64 20 69 6e 74 65 72 66 | 61 63 65 20 74 6f 20 70 |d interf|ace to p|
|00000070| 73 65 75 64 6f 2d 74 74 | 79 20 64 65 76 69 63 65 |seudo-tt|y device|
|00000080| 73 2c 20 50 61 72 74 30 | 38 2f 30 39 0a 53 65 6e |s, Part0|8/09.Sen|
|00000090| 64 65 72 3a 20 75 6e 69 | 78 2d 73 6f 75 72 63 65 |der: uni|x-source|
|000000a0| 73 2d 6d 6f 64 65 72 61 | 74 6f 72 40 70 61 2e 64 |s-modera|tor@pa.d|
|000000b0| 65 63 2e 63 6f 6d 0a 41 | 70 70 72 6f 76 65 64 3a |ec.com.A|pproved:|
|000000c0| 20 76 69 78 69 65 40 70 | 61 2e 64 65 63 2e 63 6f | vixie@p|a.dec.co|
|000000d0| 6d 0a 0a 53 75 62 6d 69 | 74 74 65 64 2d 42 79 3a |m..Submi|tted-By:|
|000000e0| 20 62 72 6e 73 74 6e 64 | 40 6e 79 75 2e 65 64 75 | brnstnd|@nyu.edu|
|000000f0| 20 28 44 61 6e 20 42 65 | 72 6e 73 74 65 69 6e 29 | (Dan Be|rnstein)|
|00000100| 0a 50 6f 73 74 69 6e 67 | 2d 4e 75 6d 62 65 72 3a |.Posting|-Number:|
|00000110| 20 56 6f 6c 75 6d 65 20 | 32 35 2c 20 49 73 73 75 | Volume |25, Issu|
|00000120| 65 20 31 33 34 0a 41 72 | 63 68 69 76 65 2d 4e 61 |e 134.Ar|chive-Na|
|00000130| 6d 65 3a 20 70 74 79 34 | 2f 70 61 72 74 30 38 0a |me: pty4|/part08.|
|00000140| 0a 23 21 20 2f 62 69 6e | 2f 73 68 0a 23 20 54 68 |.#! /bin|/sh.# Th|
|00000150| 69 73 20 69 73 20 61 20 | 73 68 65 6c 6c 20 61 72 |is is a |shell ar|
|00000160| 63 68 69 76 65 2e 20 20 | 52 65 6d 6f 76 65 20 61 |chive. |Remove a|
|00000170| 6e 79 74 68 69 6e 67 20 | 62 65 66 6f 72 65 20 74 |nything |before t|
|00000180| 68 69 73 20 6c 69 6e 65 | 2c 20 74 68 65 6e 20 75 |his line|, then u|
|00000190| 6e 70 61 63 6b 0a 23 20 | 69 74 20 62 79 20 73 61 |npack.# |it by sa|
|000001a0| 76 69 6e 67 20 69 74 20 | 69 6e 74 6f 20 61 20 66 |ving it |into a f|
|000001b0| 69 6c 65 20 61 6e 64 20 | 74 79 70 69 6e 67 20 22 |ile and |typing "|
|000001c0| 73 68 20 66 69 6c 65 22 | 2e 20 20 54 6f 20 6f 76 |sh file"|. To ov|
|000001d0| 65 72 77 72 69 74 65 20 | 65 78 69 73 74 69 6e 67 |erwrite |existing|
|000001e0| 0a 23 20 66 69 6c 65 73 | 2c 20 74 79 70 65 20 22 |.# files|, type "|
|000001f0| 73 68 20 66 69 6c 65 20 | 2d 63 22 2e 20 20 59 6f |sh file |-c". Yo|
|00000200| 75 20 63 61 6e 20 61 6c | 73 6f 20 66 65 65 64 20 |u can al|so feed |
|00000210| 74 68 69 73 20 61 73 20 | 73 74 61 6e 64 61 72 64 |this as |standard|
|00000220| 20 69 6e 70 75 74 20 76 | 69 61 0a 23 20 75 6e 73 | input v|ia.# uns|
|00000230| 68 61 72 2c 20 6f 72 20 | 62 79 20 74 79 70 69 6e |har, or |by typin|
|00000240| 67 20 22 73 68 20 3c 66 | 69 6c 65 22 2c 20 65 2e |g "sh <f|ile", e.|
|00000250| 67 2e 2e 20 20 49 66 20 | 74 68 69 73 20 61 72 63 |g.. If |this arc|
|00000260| 68 69 76 65 20 69 73 20 | 63 6f 6d 70 6c 65 74 65 |hive is |complete|
|00000270| 2c 20 79 6f 75 0a 23 20 | 77 69 6c 6c 20 73 65 65 |, you.# |will see|
|00000280| 20 74 68 65 20 66 6f 6c | 6c 6f 77 69 6e 67 20 6d | the fol|lowing m|
|00000290| 65 73 73 61 67 65 20 61 | 74 20 74 68 65 20 65 6e |essage a|t the en|
|000002a0| 64 3a 0a 23 09 09 22 45 | 6e 64 20 6f 66 20 61 72 |d:.#.."E|nd of ar|
|000002b0| 63 68 69 76 65 20 38 20 | 28 6f 66 20 39 29 2e 22 |chive 8 |(of 9)."|
|000002c0| 0a 23 20 43 6f 6e 74 65 | 6e 74 73 3a 20 20 70 74 |.# Conte|nts: pt|
|000002d0| 79 6d 61 73 74 65 72 2e | 63 20 72 61 64 69 78 73 |ymaster.|c radixs|
|000002e0| 6f 72 74 2e 63 0a 23 20 | 57 72 61 70 70 65 64 20 |ort.c.# |Wrapped |
|000002f0| 62 79 20 76 69 78 69 65 | 40 63 6f 67 6e 69 74 69 |by vixie|@cogniti|
|00000300| 6f 6e 2e 70 61 2e 64 65 | 63 2e 63 6f 6d 20 6f 6e |on.pa.de|c.com on|
|00000310| 20 57 65 64 20 46 65 62 | 20 31 39 20 31 33 3a 33 | Wed Feb| 19 13:3|
|00000320| 35 3a 30 36 20 31 39 39 | 32 0a 50 41 54 48 3d 2f |5:06 199|2.PATH=/|
|00000330| 62 69 6e 3a 2f 75 73 72 | 2f 62 69 6e 3a 2f 75 73 |bin:/usr|/bin:/us|
|00000340| 72 2f 75 63 62 20 3b 20 | 65 78 70 6f 72 74 20 50 |r/ucb ; |export P|
|00000350| 41 54 48 0a 69 66 20 74 | 65 73 74 20 2d 66 20 27 |ATH.if t|est -f '|
|00000360| 70 74 79 6d 61 73 74 65 | 72 2e 63 27 20 2d 61 20 |ptymaste|r.c' -a |
|00000370| 22 24 7b 31 7d 22 20 21 | 3d 20 22 2d 63 22 20 3b |"${1}" !|= "-c" ;|
|00000380| 20 74 68 65 6e 20 0a 20 | 20 65 63 68 6f 20 73 68 | then . | echo sh|
|00000390| 61 72 3a 20 57 69 6c 6c | 20 6e 6f 74 20 63 6c 6f |ar: Will| not clo|
|000003a0| 62 62 65 72 20 65 78 69 | 73 74 69 6e 67 20 66 69 |bber exi|sting fi|
|000003b0| 6c 65 20 5c 22 27 70 74 | 79 6d 61 73 74 65 72 2e |le \"'pt|ymaster.|
|000003c0| 63 27 5c 22 0a 65 6c 73 | 65 0a 65 63 68 6f 20 73 |c'\".els|e.echo s|
|000003d0| 68 61 72 3a 20 45 78 74 | 72 61 63 74 69 6e 67 20 |har: Ext|racting |
|000003e0| 5c 22 27 70 74 79 6d 61 | 73 74 65 72 2e 63 27 5c |\"'ptyma|ster.c'\|
|000003f0| 22 20 5c 28 32 30 32 37 | 35 20 63 68 61 72 61 63 |" \(2027|5 charac|
|00000400| 74 65 72 73 5c 29 0a 73 | 65 64 20 22 73 2f 5e 58 |ters\).s|ed "s/^X|
|00000410| 2f 2f 22 20 3e 27 70 74 | 79 6d 61 73 74 65 72 2e |//" >'pt|ymaster.|
|00000420| 63 27 20 3c 3c 27 45 4e | 44 5f 4f 46 5f 46 49 4c |c' <<'EN|D_OF_FIL|
|00000430| 45 27 0a 58 23 69 6e 63 | 6c 75 64 65 20 3c 73 79 |E'.X#inc|lude <sy|
|00000440| 73 2f 74 79 70 65 73 2e | 68 3e 0a 58 23 69 6e 63 |s/types.|h>.X#inc|
|00000450| 6c 75 64 65 20 3c 73 79 | 73 2f 77 61 69 74 2e 68 |lude <sy|s/wait.h|
|00000460| 3e 0a 58 23 69 6e 63 6c | 75 64 65 20 3c 73 79 73 |>.X#incl|ude <sys|
|00000470| 2f 74 69 6d 65 2e 68 3e | 0a 58 23 69 6e 63 6c 75 |/time.h>|.X#inclu|
|00000480| 64 65 20 3c 73 79 73 2f | 72 65 73 6f 75 72 63 65 |de <sys/|resource|
|00000490| 2e 68 3e 0a 58 23 69 6e | 63 6c 75 64 65 20 3c 73 |.h>.X#in|clude <s|
|000004a0| 69 67 6e 61 6c 2e 68 3e | 0a 58 23 69 6e 63 6c 75 |ignal.h>|.X#inclu|
|000004b0| 64 65 20 3c 65 72 72 6e | 6f 2e 68 3e 0a 65 78 74 |de <errn|o.h>.ext|
|000004c0| 65 72 6e 20 69 6e 74 20 | 65 72 72 6e 6f 3b 0a 58 |ern int |errno;.X|
|000004d0| 23 69 6e 63 6c 75 64 65 | 20 22 73 69 67 73 63 68 |#include| "sigsch|
|000004e0| 65 64 2e 68 22 0a 58 23 | 69 6e 63 6c 75 64 65 20 |ed.h".X#|include |
|000004f0| 22 72 61 6c 6c 6f 63 2e | 68 22 0a 58 23 69 6e 63 |"ralloc.|h".X#inc|
|00000500| 6c 75 64 65 20 22 63 6f | 6e 66 69 67 2f 74 74 79 |lude "co|nfig/tty|
|00000510| 6f 70 74 73 2e 68 22 0a | 58 23 69 6e 63 6c 75 64 |opts.h".|X#includ|
|00000520| 65 20 22 63 6f 6e 66 69 | 67 2f 70 74 79 6c 6f 6e |e "confi|g/ptylon|
|00000530| 67 6e 61 6d 65 2e 68 22 | 0a 58 23 69 6e 63 6c 75 |gname.h"|.X#inclu|
|00000540| 64 65 20 22 73 65 73 73 | 6c 6f 67 2e 68 22 0a 58 |de "sess|log.h".X|
|00000550| 23 69 6e 63 6c 75 64 65 | 20 22 73 65 73 73 63 6f |#include| "sessco|
|00000560| 6e 6e 6c 6f 67 2e 68 22 | 0a 58 23 69 6e 63 6c 75 |nnlog.h"|.X#inclu|
|00000570| 64 65 20 22 70 74 79 67 | 65 74 2e 68 22 0a 58 23 |de "ptyg|et.h".X#|
|00000580| 69 6e 63 6c 75 64 65 20 | 22 70 74 79 6d 69 73 63 |include |"ptymisc|
|00000590| 2e 68 22 0a 58 23 69 6e | 63 6c 75 64 65 20 22 70 |.h".X#in|clude "p|
|000005a0| 74 79 65 72 72 2e 68 22 | 0a 58 23 69 6e 63 6c 75 |tyerr.h"|.X#inclu|
|000005b0| 64 65 20 22 70 74 79 74 | 74 79 2e 68 22 0a 58 23 |de "ptyt|ty.h".X#|
|000005c0| 69 6e 63 6c 75 64 65 20 | 22 70 74 79 63 6f 6d 6d |include |"ptycomm|
|000005d0| 2e 68 22 0a 58 23 69 6e | 63 6c 75 64 65 20 22 70 |.h".X#in|clude "p|
|000005e0| 74 79 6d 61 73 74 65 72 | 2e 68 22 0a 58 0a 58 2f |tymaster|.h".X.X/|
|000005f0| 2a 0a 49 66 20 79 6f 75 | 20 64 6f 6e 27 74 20 62 |*.If you| don't b|
|00000600| 65 6c 69 65 76 65 20 74 | 68 61 74 20 73 69 67 73 |elieve t|hat sigs|
|00000610| 63 68 65 64 20 6d 61 6b | 65 73 20 74 68 69 73 20 |ched mak|es this |
|00000620| 69 6e 63 72 65 64 69 62 | 6c 79 20 65 61 73 79 20 |incredib|ly easy |
|00000630| 74 6f 20 77 72 69 74 65 | 2c 0a 74 72 79 20 77 72 |to write|,.try wr|
|00000640| 69 74 69 6e 67 20 69 74 | 20 77 69 74 68 6f 75 74 |iting it| without|
|00000650| 20 73 69 67 73 63 68 65 | 64 2e 20 54 68 65 6e 20 | sigsche|d. Then |
|00000660| 74 72 79 20 75 6e 64 65 | 72 73 74 61 6e 64 69 6e |try unde|rstandin|
|00000670| 67 20 77 68 61 74 20 79 | 6f 75 20 77 72 6f 74 65 |g what y|ou wrote|
|00000680| 2e 0a 58 0a 41 70 6f 6c | 6f 67 69 65 73 20 69 6e |..X.Apol|ogies in|
|00000690| 20 61 64 76 61 6e 63 65 | 20 74 6f 20 42 69 6c 6c | advance| to Bill|
|000006a0| 79 20 4a 6f 65 6c 2e 0a | 58 2a 2f 0a 58 0a 58 23 |y Joel..|X*/.X.X#|
|000006b0| 64 65 66 69 6e 65 20 50 | 54 59 42 55 46 53 49 5a |define P|TYBUFSIZ|
|000006c0| 45 20 31 36 33 38 34 0a | 58 0a 63 68 61 72 20 69 |E 16384.|X.char i|
|000006d0| 6e 62 75 66 5b 50 54 59 | 42 55 46 53 49 5a 45 5d |nbuf[PTY|BUFSIZE]|
|000006e0| 3b 0a 73 74 61 74 69 63 | 20 69 6e 74 20 69 6e 62 |;.static| int inb|
|000006f0| 75 66 77 72 69 74 65 20 | 3d 20 30 3b 0a 73 74 61 |ufwrite |= 0;.sta|
|00000700| 74 69 63 20 69 6e 74 20 | 69 6e 62 75 66 72 65 61 |tic int |inbufrea|
|00000710| 64 20 3d 20 30 3b 0a 63 | 68 61 72 20 6f 75 74 62 |d = 0;.c|har outb|
|00000720| 75 66 5b 50 54 59 42 55 | 46 53 49 5a 45 5d 3b 0a |uf[PTYBU|FSIZE];.|
|00000730| 73 74 61 74 69 63 20 69 | 6e 74 20 6f 75 74 62 75 |static i|nt outbu|
|00000740| 66 77 72 69 74 65 20 3d | 20 30 3b 0a 73 74 61 74 |fwrite =| 0;.stat|
|00000750| 69 63 20 69 6e 74 20 6f | 75 74 62 75 66 72 65 61 |ic int o|utbufrea|
|00000760| 64 20 3d 20 30 3b 0a 58 | 0a 73 74 61 74 69 63 20 |d = 0;.X|.static |
|00000770| 63 68 61 72 20 6c 6f 6e | 67 6e 61 6d 65 5b 50 54 |char lon|gname[PT|
|00000780| 59 4c 4f 4e 47 4e 41 4d | 45 4c 45 4e 5d 20 3d 20 |YLONGNAM|ELEN] = |
|00000790| 7b 20 30 20 7d 3b 0a 58 | 0a 73 74 61 74 69 63 20 |{ 0 };.X|.static |
|000007a0| 73 74 72 75 63 74 20 73 | 65 73 73 63 6f 6e 6e 6c |struct s|essconnl|
|000007b0| 6f 67 20 73 63 6c 3b 0a | 73 74 61 74 69 63 20 69 |og scl;.|static i|
|000007c0| 6e 74 20 72 65 6d 6f 74 | 65 6c 65 6e 3b 0a 73 74 |nt remot|elen;.st|
|000007d0| 61 74 69 63 20 63 68 61 | 72 20 72 65 6d 6f 74 65 |atic cha|r remote|
|000007e0| 5b 53 45 53 53 43 4f 4e | 4e 4c 4f 47 5f 52 45 4d |[SESSCON|NLOG_REM|
|000007f0| 4f 54 45 4c 45 4e 5d 3b | 0a 73 74 61 74 69 63 20 |OTELEN];|.static |
|00000800| 63 68 61 72 20 2a 6d 75 | 73 65 72 6e 61 6d 65 3b |char *mu|sername;|
|00000810| 0a 58 0a 73 74 61 74 69 | 63 20 69 6e 74 20 6d 66 |.X.stati|c int mf|
|00000820| 6c 61 67 72 65 61 64 69 | 6e 67 3b 0a 73 74 61 74 |lagreadi|ng;.stat|
|00000830| 69 63 20 69 6e 74 20 6d | 66 6c 61 67 73 65 73 73 |ic int m|flagsess|
|00000840| 69 6f 6e 3b 0a 73 74 61 | 74 69 63 20 69 6e 74 20 |ion;.sta|tic int |
|00000850| 6d 66 6c 61 67 78 66 6c | 6f 77 63 74 6c 3b 0a 73 |mflagxfl|owctl;.s|
|00000860| 74 61 74 69 63 20 69 6e | 74 20 6d 66 64 63 6f 6d |tatic in|t mfdcom|
|00000870| 6d 3b 0a 73 74 61 74 69 | 63 20 69 6e 74 20 6d 66 |m;.stati|c int mf|
|00000880| 64 6d 74 79 3b 0a 73 74 | 61 74 69 63 20 69 6e 74 |dmty;.st|atic int|
|00000890| 20 6d 66 64 73 74 79 3b | 0a 73 74 61 74 69 63 20 | mfdsty;|.static |
|000008a0| 69 6e 74 20 6d 75 69 64 | 20 3d 20 2d 31 3b 0a 73 |int muid| = -1;.s|
|000008b0| 74 61 74 69 63 20 63 68 | 61 72 20 6d 65 78 74 5b |tatic ch|ar mext[|
|000008c0| 32 5d 3b 0a 73 74 61 74 | 69 63 20 69 6e 74 20 6d |2];.stat|ic int m|
|000008d0| 73 6c 61 76 65 70 69 64 | 20 3d 20 2d 31 3b 0a 58 |slavepid| = -1;.X|
|000008e0| 0a 73 74 61 74 69 63 20 | 69 6e 74 20 66 64 63 74 |.static |int fdct|
|000008f0| 72 6c 72 20 3d 20 2d 31 | 3b 0a 73 74 61 74 69 63 |rlr = -1|;.static|
|00000900| 20 69 6e 74 20 66 64 73 | 69 67 6c 65 72 3b 0a 58 | int fds|igler;.X|
|00000910| 2f 2a 20 74 6f 20 69 6e | 73 75 72 65 20 79 6f 75 |/* to in|sure you|
|00000920| 72 73 65 6c 66 20 79 6f | 75 20 67 6f 74 20 74 6f |rself yo|u got to|
|00000930| 20 70 72 6f 76 69 64 65 | 20 63 6f 6d 6d 75 6e 69 | provide| communi|
|00000940| 63 61 74 69 6f 6e 20 63 | 6f 6e 73 74 61 6e 74 6c |cation c|onstantl|
|00000950| 79 2e 2e 2e 20 2a 2f 0a | 73 74 61 74 69 63 20 69 |y... */.|static i|
|00000960| 6e 74 20 66 64 73 69 67 | 32 75 73 3b 0a 73 74 61 |nt fdsig|2us;.sta|
|00000970| 74 69 63 20 69 6e 74 20 | 66 64 69 3b 0a 73 74 61 |tic int |fdi;.sta|
|00000980| 74 69 63 20 69 6e 74 20 | 66 64 6f 3b 0a 73 74 61 |tic int |fdo;.sta|
|00000990| 74 69 63 20 69 6e 74 20 | 66 6c 61 67 77 61 74 63 |tic int |flagwatc|
|000009a0| 68 63 68 6c 64 3b 0a 73 | 74 61 74 69 63 20 69 6e |hchld;.s|tatic in|
|000009b0| 74 20 66 6c 61 67 73 74 | 6f 70 70 65 64 3b 0a 58 |t flagst|opped;.X|
|000009c0| 0a 73 74 61 74 69 63 20 | 63 68 61 72 20 72 65 63 |.static |char rec|
|000009d0| 6f 65 78 74 5b 32 5d 3b | 0a 58 2f 2a 20 74 68 69 |oext[2];|.X/* thi|
|000009e0| 73 20 69 73 20 61 20 76 | 69 6f 6c 61 74 69 6f 6e |s is a v|iolation|
|000009f0| 20 6f 66 20 6d 6f 64 75 | 6c 61 72 69 74 79 2c 20 | of modu|larity, |
|00000a00| 62 75 74 20 65 76 65 6e | 20 61 66 74 65 72 20 74 |but even| after t|
|00000a10| 68 65 20 73 69 67 6c 65 | 72 20 2a 2f 0a 58 2f 2a |he sigle|r */.X/*|
|00000a20| 20 6b 6e 6f 77 73 20 77 | 68 61 74 20 72 65 63 6f | knows w|hat reco|
|00000a30| 65 78 74 20 69 73 2c 20 | 77 65 20 6d 61 79 20 68 |ext is, |we may h|
|00000a40| 61 76 65 20 74 6f 20 72 | 65 70 6f 72 74 20 69 74 |ave to r|eport it|
|00000a50| 20 74 6f 20 63 74 72 6c | 72 2c 20 73 6f 20 77 65 | to ctrl|r, so we|
|00000a60| 20 63 61 6e 27 74 20 2a | 2f 0a 58 2f 2a 20 6a 75 | can't *|/.X/* ju|
|00000a70| 73 74 20 66 6f 72 67 65 | 74 20 61 62 6f 75 74 20 |st forge|t about |
|00000a80| 69 74 20 58 58 58 3a 20 | 6f 72 20 73 68 6f 75 6c |it XXX: |or shoul|
|00000a90| 64 20 77 65 20 61 73 6b | 20 73 69 67 6c 65 72 20 |d we ask| sigler |
|00000aa0| 64 79 6e 61 6d 69 63 61 | 6c 6c 79 3f 20 6e 6f 21 |dynamica|lly? no!|
|00000ab0| 20 2a 2f 0a 58 0a 73 74 | 61 74 69 63 20 69 6e 74 | */.X.st|atic int|
|00000ac0| 20 6d 66 64 70 72 65 63 | 6f 3b 0a 73 74 61 74 69 | mfdprec|o;.stati|
|00000ad0| 63 20 69 6e 74 20 66 6c | 61 67 70 72 65 63 6f 3b |c int fl|agpreco;|
|00000ae0| 0a 58 0a 58 2f 2a 20 54 | 68 69 73 20 69 73 20 61 |.X.X/* T|his is a|
|00000af0| 20 6b 6c 75 64 67 65 20 | 74 6f 20 64 65 61 6c 20 | kludge |to deal |
|00000b00| 77 69 74 68 20 66 64 20 | 70 61 73 73 69 6e 67 20 |with fd |passing |
|00000b10| 62 75 67 73 20 28 70 61 | 72 74 69 63 75 6c 61 72 |bugs (pa|rticular|
|00000b20| 6c 79 20 75 6e 64 65 72 | 20 53 75 6e 4f 53 29 2e |ly under| SunOS).|
|00000b30| 20 2a 2f 0a 58 2f 2a 20 | 49 74 27 73 20 61 6c 73 | */.X/* |It's als|
|00000b40| 6f 20 61 20 73 61 6e 69 | 74 79 20 63 68 65 63 6b |o a sani|ty check|
|00000b50| 2e 20 2a 2f 0a 76 6f 69 | 64 20 63 6c 6f 73 65 61 |. */.voi|d closea|
|00000b60| 6c 6c 62 75 74 28 29 0a | 58 7b 0a 58 20 69 6e 74 |llbut().|X{.X int|
|00000b70| 20 69 3b 0a 58 0a 58 20 | 69 20 3d 20 67 65 74 64 | i;.X.X |i = getd|
|00000b80| 74 61 62 6c 65 73 69 7a | 65 28 29 3b 0a 58 20 77 |tablesiz|e();.X w|
|00000b90| 68 69 6c 65 20 28 69 2d | 2d 29 0a 58 20 20 7b 0a |hile (i-|-).X {.|
|00000ba0| 58 20 20 20 69 66 20 28 | 0a 58 20 20 20 28 69 20 |X if (|.X (i |
|00000bb0| 21 3d 20 6d 66 64 63 6f | 6d 6d 29 0a 58 26 26 20 |!= mfdco|mm).X&& |
|00000bc0| 28 69 20 21 3d 20 6d 66 | 64 6d 74 79 29 0a 58 26 |(i != mf|dmty).X&|
|00000bd0| 26 20 28 69 20 21 3d 20 | 6d 66 64 73 74 79 29 0a |& (i != |mfdsty).|
|00000be0| 58 26 26 20 28 69 20 21 | 3d 20 66 64 63 74 72 6c |X&& (i !|= fdctrl|
|00000bf0| 72 29 0a 58 26 26 20 28 | 69 20 21 3d 20 66 64 73 |r).X&& (|i != fds|
|00000c00| 69 67 6c 65 72 29 0a 58 | 26 26 20 28 69 20 21 3d |igler).X|&& (i !=|
|00000c10| 20 66 64 73 69 67 32 75 | 73 29 0a 58 26 26 20 28 | fdsig2u|s).X&& (|
|00000c20| 69 20 21 3d 20 66 64 69 | 29 0a 58 26 26 20 28 69 |i != fdi|).X&& (i|
|00000c30| 20 21 3d 20 66 64 6f 29 | 0a 58 26 26 20 28 69 20 | != fdo)|.X&& (i |
|00000c40| 21 3d 20 6d 66 64 70 72 | 65 63 6f 29 0a 58 20 20 |!= mfdpr|eco).X |
|00000c50| 20 20 20 20 29 0a 58 20 | 20 20 20 7b 0a 58 20 20 | ).X | {.X |
|00000c60| 20 20 20 63 6c 6f 73 65 | 28 69 29 3b 0a 58 20 20 | close|(i);.X |
|00000c70| 20 20 7d 0a 58 20 20 7d | 0a 58 7d 0a 58 0a 58 23 | }.X }|.X}.X.X#|
|00000c80| 64 65 66 69 6e 65 20 76 | 65 72 62 6f 73 65 20 30 |define v|erbose 0|
|00000c90| 2c 0a 58 0a 73 74 61 74 | 69 63 20 76 6f 69 64 20 |,.X.stat|ic void |
|00000ca0| 73 61 79 74 61 73 69 67 | 28 63 30 2c 63 31 2c 63 |saytasig|(c0,c1,c|
|00000cb0| 32 2c 63 33 29 20 69 6e | 74 20 63 30 3b 20 69 6e |2,c3) in|t c0; in|
|00000cc0| 74 20 63 31 3b 20 69 6e | 74 20 63 32 3b 20 69 6e |t c1; in|t c2; in|
|00000cd0| 74 20 63 33 3b 0a 58 7b | 0a 58 20 63 68 61 72 20 |t c3;.X{|.X char |
|00000ce0| 63 5b 34 5d 3b 20 63 5b | 30 5d 20 3d 20 63 30 3b |c[4]; c[|0] = c0;|
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|000019c0| 20 3d 20 66 64 73 69 67 | 32 75 73 20 3d 20 66 64 | = fdsig|2us = fd|
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|00001e60| 65 28 6d 66 64 70 72 65 | 63 6f 29 3b 0a 58 20 20 |e(mfdpre|co);.X |
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|00001f20| 28 73 74 72 75 63 74 20 | 72 75 73 61 67 65 20 2a |(struct |rusage *|
|00001f30| 29 20 30 29 29 20 3e 20 | 30 29 0a 58 20 20 20 2f |) 0)) > |0).X /|
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|00001f70| 20 69 66 20 28 70 69 64 | 20 3d 3d 20 6d 73 6c 61 | if (pid| == msla|
|00001f80| 76 65 70 69 64 29 0a 58 | 20 20 20 20 7b 0a 58 20 |vepid).X| {.X |
|00001f90| 20 20 20 20 76 65 72 62 | 6f 73 65 28 22 6d 61 73 | verb|ose("mas|
|00001fa0| 74 65 72 20 73 65 65 73 | 20 70 69 64 20 25 64 22 |ter sees| pid %d"|
|00001fb0| 2c 70 69 64 29 3b 0a 58 | 23 64 65 66 69 6e 65 20 |,pid);.X|#define |
|00001fc0| 50 57 49 46 53 54 4f 50 | 50 45 44 28 73 29 20 28 |PWIFSTOP|PED(s) (|
|00001fd0| 28 28 73 29 20 26 20 30 | 31 37 37 29 20 3d 3d 20 |((s) & 0|177) == |
|00001fe0| 30 31 37 37 29 0a 58 23 | 64 65 66 69 6e 65 20 50 |0177).X#|define P|
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|00002010| 65 66 69 6e 65 64 20 69 | 66 20 50 57 49 46 53 54 |efined i|f PWIFST|
|00002020| 4f 50 50 45 44 20 2a 2f | 0a 58 20 20 20 20 20 69 |OPPED */|.X i|
|00002030| 66 20 28 50 57 49 46 53 | 54 4f 50 50 45 44 28 77 |f (PWIFS|TOPPED(w|
|00002040| 29 29 0a 58 20 20 20 20 | 20 20 7b 0a 58 20 20 20 |)).X | {.X |
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|00002060| 3d 20 31 3b 0a 58 20 20 | 20 20 20 20 20 2f 2a 20 |= 1;.X | /* |
|00002070| 6a 75 73 74 20 61 20 77 | 6f 72 64 20 6f 72 20 74 |just a w|ord or t|
|00002080| 77 6f 20 74 68 61 74 20 | 73 68 65 20 67 65 74 73 |wo that |she gets|
|00002090| 20 66 72 6f 6d 20 79 6f | 75 20 2a 2f 0a 58 20 20 | from yo|u */.X |
|000020a0| 20 20 20 20 20 2f 2a 20 | 63 6f 75 6c 64 20 62 65 | /* |could be|
|000020b0| 20 74 68 65 20 64 69 66 | 66 65 72 65 6e 63 65 20 | the dif|ference |
|000020c0| 74 68 61 74 20 69 74 20 | 6d 61 6b 65 73 2e 2e 2e |that it |makes...|
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|00002120| 0a 58 20 20 20 20 20 65 | 6c 73 65 0a 58 20 20 20 |.X e|lse.X |
|00002130| 20 20 20 7b 0a 58 23 64 | 65 66 69 6e 65 20 50 57 | {.X#d|efine PW|
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|00002160| 66 69 6e 65 20 50 57 45 | 58 49 54 53 54 41 54 55 |fine PWE|XITSTATU|
|00002170| 53 28 73 29 20 28 28 73 | 29 20 3e 3e 20 38 29 0a |S(s) ((s|) >> 8).|
|00002180| 58 23 64 65 66 69 6e 65 | 20 50 57 54 45 52 4d 53 |X#define| PWTERMS|
|00002190| 49 47 28 73 29 20 28 28 | 73 29 20 26 20 30 31 37 |IG(s) ((|s) & 017|
|000021a0| 37 29 0a 58 23 64 65 66 | 69 6e 65 20 50 57 43 4f |7).X#def|ine PWCO|
|000021b0| 52 45 44 55 4d 50 28 73 | 29 20 28 28 73 29 20 26 |REDUMP(s|) ((s) &|
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|000021d0| 66 20 28 50 57 49 46 45 | 58 49 54 45 44 28 77 29 |f (PWIFE|XITED(w)|
|000021e0| 29 0a 58 09 20 2f 2a 20 | 74 65 6c 6c 20 68 65 72 |).X. /* |tell her|
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|00002200| 58 20 20 20 20 20 20 20 | 20 20 73 61 79 74 61 73 |X | saytas|
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|00002230| 20 20 20 20 20 65 6c 73 | 65 0a 58 09 20 2f 2a 20 | els|e.X. /* |
|00002240| 74 65 6c 6c 20 68 65 72 | 20 65 76 65 72 79 74 68 |tell her| everyth|
|00002250| 69 6e 67 20 79 6f 75 20 | 66 65 65 6c 2e 2e 2e 20 |ing you |feel... |
|00002260| 2a 2f 0a 58 09 20 73 61 | 79 74 61 73 69 67 28 27 |*/.X. sa|ytasig('|
|00002270| 73 27 2c 50 57 54 45 52 | 4d 53 49 47 28 77 29 2c |s',PWTER|MSIG(w),|
|00002280| 50 57 43 4f 52 45 44 55 | 4d 50 28 77 29 2c 30 29 |PWCOREDU|MP(w),0)|
|00002290| 3b 0a 58 20 20 20 20 20 | 20 20 63 68 69 6c 64 64 |;.X | childd|
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|000022b0| 58 20 20 20 20 7d 0a 58 | 7d 0a 73 74 61 74 69 63 |X }.X|}.static|
|000022c0| 20 69 6e 74 20 73 63 68 | 65 64 73 69 67 63 68 6c | int sch|edsigchl|
|000022d0| 64 20 3d 20 30 3b 0a 73 | 74 61 74 69 63 20 76 6f |d = 0;.s|tatic vo|
|000022e0| 69 64 20 63 6b 73 69 67 | 63 68 6c 64 28 29 0a 58 |id cksig|chld().X|
|000022f0| 7b 0a 58 20 69 66 20 28 | 21 73 63 68 65 64 73 69 |{.X if (|!schedsi|
|00002300| 67 63 68 6c 64 20 26 26 | 20 66 6c 61 67 77 61 74 |gchld &&| flagwat|
|00002310| 63 68 63 68 6c 64 20 26 | 26 20 21 6f 75 74 62 75 |chchld &|& !outbu|
|00002320| 66 72 65 61 64 29 0a 58 | 20 20 7b 20 73 73 5f 73 |fread).X| { ss_s|
|00002330| 63 68 65 64 28 73 73 5f | 73 69 67 6e 61 6c 28 53 |ched(ss_|signal(S|
|00002340| 49 47 43 48 4c 44 29 2c | 73 69 67 63 68 6c 64 2c |IGCHLD),|sigchld,|
|00002350| 30 29 3b 20 73 63 68 65 | 64 73 69 67 63 68 6c 64 |0); sche|dsigchld|
|00002360| 20 3d 20 31 3b 20 72 65 | 74 75 72 6e 3b 20 7d 0a | = 1; re|turn; }.|
|00002370| 58 20 69 66 20 28 73 63 | 68 65 64 73 69 67 63 68 |X if (sc|hedsigch|
|00002380| 6c 64 20 26 26 20 28 21 | 66 6c 61 67 77 61 74 63 |ld && (!|flagwatc|
|00002390| 68 63 68 6c 64 20 7c 7c | 20 6f 75 74 62 75 66 72 |hchld ||| outbufr|
|000023a0| 65 61 64 29 29 0a 58 20 | 20 7b 20 73 73 5f 75 6e |ead)).X | { ss_un|
|000023b0| 73 63 68 65 64 28 73 73 | 5f 73 69 67 6e 61 6c 28 |sched(ss|_signal(|
|000023c0| 53 49 47 43 48 4c 44 29 | 2c 73 69 67 63 68 6c 64 |SIGCHLD)|,sigchld|
|000023d0| 2c 30 29 3b 20 73 63 68 | 65 64 73 69 67 63 68 6c |,0); sch|edsigchl|
|000023e0| 64 20 3d 20 30 3b 20 7d | 0a 58 7d 0a 58 0a 73 74 |d = 0; }|.X}.X.st|
|000023f0| 61 74 69 63 20 76 6f 69 | 64 20 64 6f 61 63 63 65 |atic voi|d doacce|
|00002400| 70 74 66 64 63 74 72 6c | 72 28 6e 29 0a 69 6e 74 |ptfdctrl|r(n).int|
|00002410| 20 6e 3b 0a 58 7b 0a 58 | 20 66 64 63 74 72 6c 72 | n;.X{.X| fdctrlr|
|00002420| 20 3d 20 63 6f 6d 6d 5f | 61 63 63 65 70 74 28 6d | = comm_|accept(m|
|00002430| 66 64 63 6f 6d 6d 29 3b | 0a 58 20 64 69 73 70 5f |fdcomm);|.X disp_|
|00002440| 66 64 63 74 72 6c 72 28 | 29 3b 0a 58 7d 0a 73 74 |fdctrlr(|);.X}.st|
|00002450| 61 74 69 63 20 69 6e 74 | 20 73 63 68 65 64 61 63 |atic int| schedac|
|00002460| 63 65 70 74 66 64 63 74 | 72 6c 72 20 3d 20 30 3b |ceptfdct|rlr = 0;|
|00002470| 0a 73 74 61 74 69 63 20 | 76 6f 69 64 20 63 6b 61 |.static |void cka|
|00002480| 63 63 65 70 74 66 64 63 | 74 72 6c 72 28 29 0a 58 |cceptfdc|trlr().X|
|00002490| 7b 0a 58 20 69 66 20 28 | 21 73 63 68 65 64 61 63 |{.X if (|!schedac|
|000024a0| 63 65 70 74 66 64 63 74 | 72 6c 72 20 26 26 20 28 |ceptfdct|rlr && (|
|000024b0| 66 64 63 74 72 6c 72 20 | 3d 3d 20 2d 31 29 29 0a |fdctrlr |== -1)).|
|000024c0| 58 20 20 7b 0a 58 20 20 | 20 73 73 5f 73 63 68 65 |X {.X | ss_sche|
|000024d0| 64 28 73 73 5f 73 69 67 | 72 65 61 64 28 6d 66 64 |d(ss_sig|read(mfd|
|000024e0| 63 6f 6d 6d 29 2c 64 6f | 61 63 63 65 70 74 66 64 |comm),do|acceptfd|
|000024f0| 63 74 72 6c 72 2c 30 29 | 3b 20 73 63 68 65 64 61 |ctrlr,0)|; scheda|
|00002500| 63 63 65 70 74 66 64 63 | 74 72 6c 72 20 3d 20 31 |cceptfdc|trlr = 1|
|00002510| 3b 0a 58 20 20 20 72 65 | 74 75 72 6e 3b 0a 58 20 |;.X re|turn;.X |
|00002520| 20 7d 0a 58 20 69 66 20 | 28 73 63 68 65 64 61 63 | }.X if |(schedac|
|00002530| 63 65 70 74 66 64 63 74 | 72 6c 72 20 26 26 20 28 |ceptfdct|rlr && (|
|00002540| 66 64 63 74 72 6c 72 20 | 21 3d 20 2d 31 29 29 0a |fdctrlr |!= -1)).|
|00002550| 58 20 20 7b 20 73 73 5f | 75 6e 73 63 68 65 64 28 |X { ss_|unsched(|
|00002560| 73 73 5f 73 69 67 72 65 | 61 64 28 6d 66 64 63 6f |ss_sigre|ad(mfdco|
|00002570| 6d 6d 29 2c 64 6f 61 63 | 63 65 70 74 66 64 63 74 |mm),doac|ceptfdct|
|00002580| 72 6c 72 2c 30 29 3b 20 | 73 63 68 65 64 61 63 63 |rlr,0); |schedacc|
|00002590| 65 70 74 66 64 63 74 72 | 6c 72 20 3d 20 30 3b 20 |eptfdctr|lr = 0; |
|000025a0| 7d 0a 58 7d 0a 58 0a 73 | 74 61 74 69 63 20 76 6f |}.X}.X.s|tatic vo|
|000025b0| 69 64 20 64 6f 72 65 61 | 64 66 64 63 74 72 6c 72 |id dorea|dfdctrlr|
|000025c0| 28 6e 29 0a 69 6e 74 20 | 6e 3b 0a 58 7b 0a 58 20 |(n).int |n;.X{.X |
|000025d0| 69 6e 74 20 72 3b 0a 58 | 20 63 68 61 72 20 6d 65 |int r;.X| char me|
|000025e0| 73 73 5b 31 5d 3b 0a 58 | 20 69 6e 74 20 66 6f 6f |ss[1];.X| int foo|
|000025f0| 3b 0a 58 0a 58 20 76 65 | 72 62 6f 73 65 28 22 6d |;.X.X ve|rbose("m|
|00002600| 61 73 74 65 72 20 65 6e | 74 65 72 69 6e 67 20 72 |aster en|tering r|
|00002610| 65 61 64 66 64 63 74 72 | 6c 72 22 29 3b 0a 58 20 |eadfdctr|lr");.X |
|00002620| 72 20 3d 20 72 65 61 64 | 28 66 64 63 74 72 6c 72 |r = read|(fdctrlr|
|00002630| 2c 6d 65 73 73 2c 31 29 | 3b 0a 58 20 76 65 72 62 |,mess,1)|;.X verb|
|00002640| 6f 73 65 28 22 6d 61 73 | 74 65 72 20 72 65 61 64 |ose("mas|ter read|
|00002650| 66 64 63 74 72 6c 72 20 | 25 64 20 25 63 22 2c 72 |fdctrlr |%d %c",r|
|00002660| 2c 6d 65 73 73 5b 30 5d | 29 3b 0a 58 20 69 66 20 |,mess[0]|);.X if |
|00002670| 28 72 20 3c 3d 20 30 29 | 20 2f 2a 20 62 79 65 20 |(r <= 0)| /* bye |
|00002680| 62 79 65 20 2a 2f 0a 58 | 20 20 7b 0a 58 20 20 20 |bye */.X| {.X |
|00002690| 63 6c 6f 73 65 28 66 64 | 63 74 72 6c 72 29 3b 20 |close(fd|ctrlr); |
|000026a0| 66 64 63 74 72 6c 72 20 | 3d 20 2d 31 3b 20 64 69 |fdctrlr |= -1; di|
|000026b0| 73 70 5f 66 64 63 74 72 | 6c 72 28 29 3b 20 72 65 |sp_fdctr|lr(); re|
|000026c0| 74 75 72 6e 3b 0a 58 20 | 20 7d 0a 58 20 73 77 69 |turn;.X | }.X swi|
|000026d0| 74 63 68 28 6d 65 73 73 | 5b 30 5d 29 20 2f 2a 20 |tch(mess|[0]) /* |
|000026e0| 58 58 58 3a 20 77 65 20 | 74 61 63 69 74 6c 79 20 |XXX: we |tacitly |
|000026f0| 61 73 73 75 6d 65 20 74 | 68 65 73 65 20 77 72 69 |assume t|hese wri|
|00002700| 74 65 73 20 77 69 6c 6c | 20 62 65 20 61 74 6f 6d |tes will| be atom|
|00002710| 69 63 20 2a 2f 0a 58 20 | 20 7b 0a 58 20 20 20 63 |ic */.X | {.X c|
|00002720| 61 73 65 20 27 61 27 3a | 20 2f 2a 20 61 72 65 20 |ase 'a':| /* are |
|00002730| 79 6f 75 20 74 68 65 72 | 65 3f 20 2a 2f 0a 58 20 |you ther|e? */.X |
|00002740| 20 20 20 20 73 77 69 74 | 63 68 28 6d 73 6c 61 76 | swit|ch(mslav|
|00002750| 65 70 69 64 20 25 20 33 | 29 0a 58 20 20 20 20 20 |epid % 3|).X |
|00002760| 20 7b 0a 58 20 20 20 20 | 20 20 20 63 61 73 65 20 | {.X | case |
|00002770| 30 3a 20 62 77 72 69 74 | 65 28 66 64 63 74 72 6c |0: bwrit|e(fdctrl|
|00002780| 72 2c 22 28 6e 6f 70 65 | 29 22 2c 36 29 3b 20 62 |r,"(nope|)",6); b|
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|000027a0| 73 65 20 31 3a 20 62 77 | 72 69 74 65 28 66 64 63 |se 1: bw|rite(fdc|
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|000027c0| 3b 20 62 72 65 61 6b 3b | 0a 58 20 20 20 20 20 20 |; break;|.X |
|000027d0| 20 64 65 66 61 75 6c 74 | 3a 20 62 77 72 69 74 65 | default|: bwrite|
|000027e0| 28 66 64 63 74 72 6c 72 | 2c 22 6d 61 79 62 65 2e |(fdctrlr|,"maybe.|
|000027f0| 22 2c 36 29 3b 20 62 72 | 65 61 6b 3b 0a 58 20 20 |",6); br|eak;.X |
|00002800| 20 20 20 20 7d 0a 58 20 | 20 20 20 20 62 72 65 61 | }.X | brea|
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|00002820| 20 2f 2a 20 73 68 6f 72 | 74 20 6e 61 6d 65 3f 20 | /* shor|t name? |
|00002830| 2a 2f 0a 58 20 20 20 20 | 20 62 77 72 69 74 65 28 |*/.X | bwrite(|
|00002840| 66 64 63 74 72 6c 72 2c | 6d 65 78 74 2c 32 29 3b |fdctrlr,|mext,2);|
|00002850| 0a 58 20 20 20 20 20 62 | 72 65 61 6b 3b 0a 58 20 |.X b|reak;.X |
|00002860| 20 20 63 61 73 65 20 27 | 6c 27 3a 20 2f 2a 20 6c | case '|l': /* l|
|00002870| 6f 6e 67 20 6e 61 6d 65 | 3f 20 2a 2f 0a 58 20 20 |ong name|? */.X |
|00002880| 20 20 20 62 77 72 69 74 | 65 28 66 64 63 74 72 6c | bwrit|e(fdctrl|
|00002890| 72 2c 22 6c 6f 6e 67 6e | 6d 22 2c 36 29 3b 0a 58 |r,"longn|m",6);.X|
|000028a0| 20 20 20 20 20 62 77 72 | 69 74 65 28 66 64 63 74 | bwr|ite(fdct|
|000028b0| 72 6c 72 2c 6c 6f 6e 67 | 6e 61 6d 65 2c 73 69 7a |rlr,long|name,siz|
|000028c0| 65 6f 66 28 6c 6f 6e 67 | 6e 61 6d 65 29 29 3b 0a |eof(long|name));.|
|000028d0| 58 20 20 20 20 20 62 72 | 65 61 6b 3b 0a 58 20 20 |X br|eak;.X |
|000028e0| 20 63 61 73 65 20 27 4c | 27 3a 20 2f 2a 20 73 65 | case 'L|': /* se|
|000028f0| 74 20 6c 6f 6e 67 20 6e | 61 6d 65 20 74 6f 20 74 |t long n|ame to t|
|00002900| 68 69 73 3a 20 2a 2f 0a | 58 20 20 20 20 20 62 72 |his: */.|X br|
|00002910| 65 61 64 28 66 64 63 74 | 72 6c 72 2c 6c 6f 6e 67 |ead(fdct|rlr,long|
|00002920| 6e 61 6d 65 2c 73 69 7a | 65 6f 66 28 6c 6f 6e 67 |name,siz|eof(long|
|00002930| 6e 61 6d 65 29 29 3b 20 | 2f 2a 20 58 58 58 3a 20 |name)); |/* XXX: |
|00002940| 65 72 72 6f 72 20 63 68 | 65 63 6b 69 6e 67 3f 20 |error ch|ecking? |
|00002950| 2a 2f 0a 58 20 20 20 20 | 20 62 77 72 69 74 65 28 |*/.X | bwrite(|
|00002960| 66 64 63 74 72 6c 72 2c | 22 74 68 61 6e 6b 73 22 |fdctrlr,|"thanks"|
|00002970| 2c 36 29 3b 0a 58 20 20 | 20 20 20 62 72 65 61 6b |,6);.X | break|
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|000029e0| 65 22 2c 36 29 3b 0a 58 | 20 20 20 20 20 65 6c 73 |e",6);.X| els|
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|00002a10| 22 2c 36 29 3b 0a 58 20 | 20 20 20 20 62 72 65 61 |",6);.X | brea|
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|00002a30| 20 2f 2a 20 77 68 61 74 | 27 73 20 79 6f 75 72 20 | /* what|'s your |
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|00002a50| 6f 20 3d 20 67 65 74 70 | 69 64 28 29 3b 0a 58 20 |o = getp|id();.X |
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|00002a70| 6c 72 2c 28 63 68 61 72 | 20 2a 29 20 26 66 6f 6f |lr,(char| *) &foo|
|00002a80| 2c 73 69 7a 65 6f 66 28 | 66 6f 6f 29 29 3b 0a 58 |,sizeof(|foo));.X|
|00002a90| 20 20 20 20 20 62 72 65 | 61 6b 3b 0a 58 20 20 20 | bre|ak;.X |
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|00002ac0| 69 64 3f 20 2a 2f 0a 58 | 20 20 20 20 20 62 77 72 |id? */.X| bwr|
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|00002af0| 73 69 7a 65 6f 66 28 6d | 73 6c 61 76 65 70 69 64 |sizeof(m|slavepid|
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|00002b10| 0a 58 20 20 20 63 61 73 | 65 20 27 44 27 3a 20 2f |.X cas|e 'D': /|
|00002b20| 2a 20 64 6f 20 79 6f 75 | 20 61 6c 6c 6f 77 20 64 |* do you| allow d|
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|00002b80| 3b 0a 58 20 20 20 20 20 | 62 72 65 61 6b 3b 0a 58 |;.X |break;.X|
|00002b90| 20 20 20 63 61 73 65 20 | 27 6b 27 3a 20 2f 2a 20 | case |'k': /* |
|00002ba0| 73 65 73 73 6b 69 6c 6c | 20 2a 2f 0a 58 20 20 20 |sesskill| */.X |
|00002bb0| 20 20 73 61 79 74 61 73 | 69 67 28 27 6b 27 2c 30 | saytas|ig('k',0|
|00002bc0| 2c 30 2c 30 29 3b 0a 58 | 20 20 20 20 20 62 77 72 |,0,0);.X| bwr|
|00002bd0| 69 74 65 28 66 64 63 74 | 72 6c 72 2c 22 3c 70 6f |ite(fdct|rlr,"<po|
|00002be0| 6f 66 3e 22 2c 36 29 3b | 0a 58 20 20 20 20 20 63 |of>",6);|.X c|
|00002bf0| 68 69 6c 64 64 65 61 64 | 28 29 3b 0a 58 20 20 20 |hilddead|();.X |
|00002c00| 20 20 62 72 65 61 6b 3b | 0a 58 20 20 20 63 61 73 | break;|.X cas|
|00002c10| 65 20 27 64 27 3a 20 2f | 2a 20 64 69 73 63 6f 6e |e 'd': /|* discon|
|00002c20| 6e 65 63 74 20 2a 2f 0a | 58 20 20 20 20 20 69 66 |nect */.|X if|
|00002c30| 20 28 6d 66 6c 61 67 73 | 65 73 73 69 6f 6e 29 0a | (mflags|ession).|
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|00002c50| 67 6c 65 72 20 21 3d 20 | 2d 31 29 0a 58 09 7b 0a |gler != |-1).X.{.|
|00002c60| 58 09 20 64 69 73 63 6f | 6e 6e 65 63 74 28 29 3b |X. disco|nnect();|
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|00002c80| 6c 72 2c 22 79 65 73 73 | 69 72 22 2c 36 29 3b 0a |lr,"yess|ir",6);.|
|00002c90| 58 09 7d 0a 58 20 20 20 | 20 20 20 20 65 6c 73 65 |X.}.X | else|
|00002ca0| 0a 58 09 20 62 77 72 69 | 74 65 28 66 64 63 74 72 |.X. bwri|te(fdctr|
|00002cb0| 6c 72 2c 22 6e 6f 2d 6f | 70 21 22 2c 36 29 3b 0a |lr,"no-o|p!",6);.|
|00002cc0| 58 20 20 20 20 20 65 6c | 73 65 0a 58 20 20 20 20 |X el|se.X |
|00002cd0| 20 20 20 2f 2a 20 79 6f | 75 27 72 65 20 61 20 62 | /* yo|u're a b|
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|00002cf0| 6f 75 27 6c 6c 20 6e 65 | 76 65 72 20 6c 65 74 20 |ou'll ne|ver let |
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|00002d10| 20 20 2f 2a 20 62 75 74 | 20 74 68 61 74 27 73 20 | /* but| that's |
|00002d20| 6a 75 73 74 20 74 68 65 | 20 6b 69 6e 64 20 6f 66 |just the| kind of|
|00002d30| 20 74 68 69 6e 67 20 73 | 68 65 20 6f 75 67 68 74 | thing s|he ought|
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|00002d70| 29 3b 0a 58 20 20 20 20 | 20 62 72 65 61 6b 3b 0a |);.X | break;.|
|00002d80| 58 20 20 20 63 61 73 65 | 20 27 72 27 3a 20 2f 2a |X case| 'r': /*|
|00002d90| 20 72 65 63 6f 6e 6e 65 | 63 74 2d 2d 2d 69 6e 63 | reconne|ct---inc|
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|00002de0| 58 20 20 20 20 20 20 20 | 2f 2a 20 6c 65 74 20 68 |X |/* let h|
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|00002e10| 2f 2a 20 6c 65 74 20 68 | 65 72 20 6b 6e 6f 77 20 |/* let h|er know |
|00002e20| 68 6f 77 20 6d 75 63 68 | 20 73 68 65 20 6d 65 61 |how much| she mea|
|00002e30| 6e 73 2e 2e 2e 20 2a 2f | 0a 58 20 20 20 20 20 20 |ns... */|.X |
|00002e40| 20 62 77 72 69 74 65 28 | 66 64 63 74 72 6c 72 2c | bwrite(|fdctrlr,|
|00002e50| 22 73 68 72 74 6e 67 22 | 2c 36 29 3b 0a 58 20 20 |"shrtng"|,6);.X |
|00002e60| 20 20 20 20 20 69 66 20 | 28 72 65 63 6f 6e 6e 65 | if |(reconne|
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|00002e90| 72 2c 22 64 61 6d 6e 21 | 20 22 2c 36 29 3b 20 2f |r,"damn!| ",6); /|
|00002ea0| 2a 58 58 58 58 58 58 58 | 2a 2f 0a 58 09 20 63 6c |*XXXXXXX|*/.X. cl|
|00002eb0| 6f 73 65 61 6c 6c 62 75 | 74 28 29 3b 0a 58 09 7d |oseallbu|t();.X.}|
|00002ec0| 0a 58 20 20 20 20 20 20 | 20 65 6c 73 65 0a 58 20 |.X | else.X |
|00002ed0| 20 20 20 20 20 20 20 20 | 62 77 72 69 74 65 28 66 | |bwrite(f|
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|00002ef0| 36 29 3b 0a 58 20 20 20 | 20 20 20 7d 0a 58 20 20 |6);.X | }.X |
|00002f00| 20 20 20 65 6c 73 65 0a | 58 20 20 20 20 20 20 20 | else.|X |
|00002f10| 62 77 72 69 74 65 28 66 | 64 63 74 72 6c 72 2c 22 |bwrite(f|dctrlr,"|
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|00002f30| 20 20 62 72 65 61 6b 3b | 0a 58 20 20 20 63 61 73 | break;|.X cas|
|00002f40| 65 20 27 73 27 3a 20 2f | 2a 20 72 65 63 6f 73 65 |e 's': /|* recose|
|00002f50| 74 20 2a 2f 0a 58 20 20 | 20 20 20 69 66 20 28 66 |t */.X | if (f|
|00002f60| 64 73 69 67 6c 65 72 20 | 21 3d 20 2d 31 29 0a 58 |dsigler |!= -1).X|
|00002f70| 20 20 20 20 20 20 7b 0a | 58 20 20 20 20 20 20 20 | {.|X |
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|00002fa0| 20 20 20 20 62 72 65 61 | 64 28 66 64 63 74 72 6c | brea|d(fdctrl|
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|00003090| 20 20 20 62 77 72 69 74 | 65 28 66 64 63 74 72 6c | bwrit|e(fdctrl|
|000030a0| 72 2c 22 6e 6f 73 67 6c | 72 22 2c 36 29 3b 0a 58 |r,"nosgl|r",6);.X|
|000030b0| 20 20 20 20 20 62 72 65 | 61 6b 3b 0a 58 20 20 20 | bre|ak;.X |
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|000031c0| 20 2a 2f 0a 58 20 20 20 | 64 65 66 61 75 6c 74 3a | */.X |default:|
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|00004f60| 70 0a 48 55 50 2c 20 54 | 53 54 50 2c 20 54 54 49 |p.HUP, T|STP, TTI|
|00004f70| 4e 2c 20 54 54 4f 55 2c | 20 57 49 4e 43 48 2c 20 |N, TTOU,| WINCH, |
|00004f80| 49 4e 54 2c 20 51 55 49 | 54 3a 20 69 67 6e 6f 72 |INT, QUI|T: ignor|
|00004f90| 65 0a 50 49 50 45 3a 20 | 69 67 6e 6f 72 65 20 28 |e.PIPE: |ignore (|
|00004fa0| 77 65 20 68 61 6e 64 6c | 65 20 45 50 49 50 45 20 |we handl|e EPIPE |
|00004fb0| 6f 6e 20 77 72 69 74 65 | 28 29 29 0a 58 0a 58 2a |on write|()).X.X*|
|00004fc0| 2f 0a 58 0a 76 6f 69 64 | 20 6d 61 73 74 65 72 28 |/.X.void| master(|
|00004fd0| 66 64 63 6f 6d 6d 2c 66 | 64 6d 74 79 2c 66 64 73 |fdcomm,f|dmty,fds|
|00004fe0| 74 79 2c 65 78 74 2c 75 | 69 64 2c 70 69 64 2c 66 |ty,ext,u|id,pid,f|
|00004ff0| 6c 61 67 73 65 73 73 69 | 6f 6e 2c 66 64 70 72 65 |lagsessi|on,fdpre|
|00005000| 63 6f 2c 75 73 65 72 6e | 61 6d 65 2c 66 6c 61 67 |co,usern|ame,flag|
|00005010| 78 66 6c 6f 77 63 74 6c | 29 0a 69 6e 74 20 66 64 |xflowctl|).int fd|
|00005020| 63 6f 6d 6d 3b 0a 69 6e | 74 20 66 64 6d 74 79 3b |comm;.in|t fdmty;|
|00005030| 0a 69 6e 74 20 66 64 73 | 74 79 3b 0a 63 68 61 72 |.int fds|ty;.char|
|00005040| 20 2a 65 78 74 3b 0a 69 | 6e 74 20 75 69 64 3b 0a | *ext;.i|nt uid;.|
|00005050| 69 6e 74 20 70 69 64 3b | 20 2f 2a 20 70 69 64 20 |int pid;| /* pid |
|00005060| 6f 66 20 63 68 69 6c 64 | 20 2a 2f 0a 69 6e 74 20 |of child| */.int |
|00005070| 66 6c 61 67 73 65 73 73 | 69 6f 6e 3b 0a 69 6e 74 |flagsess|ion;.int|
|00005080| 20 66 64 70 72 65 63 6f | 3b 0a 63 68 61 72 20 2a | fdpreco|;.char *|
|00005090| 75 73 65 72 6e 61 6d 65 | 3b 0a 69 6e 74 20 66 6c |username|;.int fl|
|000050a0| 61 67 78 66 6c 6f 77 63 | 74 6c 3b 0a 58 7b 0a 58 |agxflowc|tl;.X{.X|
|000050b0| 20 6d 75 73 65 72 6e 61 | 6d 65 20 3d 20 75 73 65 | muserna|me = use|
|000050c0| 72 6e 61 6d 65 3b 0a 58 | 20 6d 66 6c 61 67 73 65 |rname;.X| mflagse|
|000050d0| 73 73 69 6f 6e 20 3d 20 | 66 6c 61 67 73 65 73 73 |ssion = |flagsess|
|000050e0| 69 6f 6e 3b 0a 58 20 6d | 66 6c 61 67 78 66 6c 6f |ion;.X m|flagxflo|
|000050f0| 77 63 74 6c 20 3d 20 66 | 6c 61 67 78 66 6c 6f 77 |wctl = f|lagxflow|
|00005100| 63 74 6c 3b 0a 58 20 6d | 66 6c 61 67 72 65 61 64 |ctl;.X m|flagread|
|00005110| 69 6e 67 20 3d 20 30 3b | 20 2f 2a 20 77 69 6c 6c |ing = 0;| /* will|
|00005120| 20 63 68 61 6e 67 65 20 | 77 69 74 68 20 66 6c 61 | change |with fla|
|00005130| 67 73 69 67 6c 65 72 20 | 2a 2f 0a 58 20 6d 66 64 |gsigler |*/.X mfd|
|00005140| 63 6f 6d 6d 20 3d 20 66 | 64 63 6f 6d 6d 3b 0a 58 |comm = f|dcomm;.X|
|00005150| 20 6d 66 64 6d 74 79 20 | 3d 20 66 64 6d 74 79 3b | mfdmty |= fdmty;|
|00005160| 0a 58 20 6d 66 64 73 74 | 79 20 3d 20 66 64 73 74 |.X mfdst|y = fdst|
|00005170| 79 3b 0a 58 20 6d 75 69 | 64 20 3d 20 75 69 64 3b |y;.X mui|d = uid;|
|00005180| 0a 58 20 6d 65 78 74 5b | 30 5d 20 3d 20 65 78 74 |.X mext[|0] = ext|
|00005190| 5b 30 5d 3b 0a 58 20 6d | 65 78 74 5b 31 5d 20 3d |[0];.X m|ext[1] =|
|000051a0| 20 65 78 74 5b 31 5d 3b | 0a 58 20 6d 73 6c 61 76 | ext[1];|.X mslav|
|000051b0| 65 70 69 64 20 3d 20 70 | 69 64 3b 0a 58 20 66 6c |epid = p|id;.X fl|
|000051c0| 61 67 73 74 6f 70 70 65 | 64 20 3d 20 30 3b 0a 58 |agstoppe|d = 0;.X|
|000051d0| 20 66 64 73 69 67 6c 65 | 72 20 3d 20 2d 31 3b 0a | fdsigle|r = -1;.|
|000051e0| 58 20 66 64 73 69 67 32 | 75 73 20 3d 20 2d 31 3b |X fdsig2|us = -1;|
|000051f0| 0a 58 20 66 6c 61 67 77 | 61 74 63 68 63 68 6c 64 |.X flagw|atchchld|
|00005200| 20 3d 20 30 3b 0a 58 20 | 66 64 69 20 3d 20 2d 31 | = 0;.X |fdi = -1|
|00005210| 3b 0a 58 20 66 64 6f 20 | 3d 20 2d 31 3b 0a 58 20 |;.X fdo |= -1;.X |
|00005220| 66 6c 61 67 70 72 65 63 | 6f 20 3d 20 31 3b 0a 58 |flagprec|o = 1;.X|
|00005230| 20 6d 66 64 70 72 65 63 | 6f 20 3d 20 66 64 70 72 | mfdprec|o = fdpr|
|00005240| 65 63 6f 3b 0a 58 0a 58 | 20 72 65 63 6f 65 78 74 |eco;.X.X| recoext|
|00005250| 5b 30 5d 20 3d 20 72 65 | 63 6f 65 78 74 5b 31 5d |[0] = re|coext[1]|
|00005260| 20 3d 20 30 3b 0a 58 0a | 58 20 73 73 5f 66 6f 72 | = 0;.X.|X ss_for|
|00005270| 63 65 77 61 69 74 28 29 | 3b 20 2f 2a 20 74 6f 20 |cewait()|; /* to |
|00005280| 62 65 20 74 75 72 6e 65 | 64 20 6f 66 66 20 65 78 |be turne|d off ex|
|00005290| 61 63 74 6c 79 20 6f 6e | 63 65 2c 20 6e 61 6d 65 |actly on|ce, name|
|000052a0| 6c 79 20 77 68 65 6e 20 | 63 68 69 6c 64 20 65 78 |ly when |child ex|
|000052b0| 69 74 73 20 2a 2f 0a 58 | 0a 58 20 72 61 6c 6c 6f |its */.X|.X rallo|
|000052c0| 63 6e 65 76 65 72 66 61 | 69 6c 28 63 68 69 6c 64 |cneverfa|il(child|
|000052d0| 64 65 61 64 29 3b 20 2f | 2a 20 58 58 58 3a 20 74 |dead); /|* XXX: t|
|000052e0| 68 69 73 20 69 73 2c 20 | 61 72 67 75 61 62 6c 79 |his is, |arguably|
|000052f0| 2c 20 73 75 62 6f 70 74 | 69 6d 61 6c 20 2a 2f 0a |, subopt|imal */.|
|00005300| 58 0a 58 20 64 69 73 70 | 28 29 3b 20 2f 2a 20 73 |X.X disp|(); /* s|
|00005310| 74 61 72 74 73 20 75 70 | 20 73 6c 61 76 65 20 49 |tarts up| slave I|
|00005320| 2f 4f 20 61 6e 64 20 43 | 48 4c 44 20 68 61 6e 64 |/O and C|HLD hand|
|00005330| 6c 65 72 20 2a 2f 0a 58 | 2f 2a 0a 57 65 27 72 65 |ler */.X|/*.We're|
|00005340| 20 61 6c 72 65 61 64 79 | 20 69 67 6e 6f 72 69 6e | already| ignorin|
|00005350| 67 20 48 55 50 2c 20 49 | 4e 54 2c 20 54 53 54 50 |g HUP, I|NT, TSTP|
|00005360| 2c 20 54 54 4f 55 2c 20 | 54 54 49 4e 2c 20 57 49 |, TTOU, |TTIN, WI|
|00005370| 4e 43 48 2c 20 51 55 49 | 54 2c 20 50 49 50 45 2e |NCH, QUI|T, PIPE.|
|00005380| 0a 58 0a 4f 74 68 65 72 | 20 73 69 67 6e 61 6c 73 |.X.Other| signals|
|00005390| 20 74 6f 20 77 6f 72 72 | 79 20 61 62 6f 75 74 3a | to worr|y about:|
|000053a0| 20 55 52 47 20 61 6e 64 | 20 49 4f 20 61 72 65 20 | URG and| IO are |
|000053b0| 69 67 6e 6f 72 65 64 20 | 62 79 20 64 65 66 61 75 |ignored |by defau|
|000053c0| 6c 74 3b 20 66 69 6e 65 | 2e 0a 55 53 52 31 20 61 |lt; fine|..USR1 a|
|000053d0| 6e 64 20 55 53 52 32 20 | 73 68 6f 75 6c 64 20 6e |nd USR2 |should n|
|000053e0| 65 76 65 72 20 62 65 20 | 67 65 6e 65 72 61 74 65 |ever be |generate|
|000053f0| 64 2e 0a 54 45 52 4d 20 | 73 68 6f 75 6c 64 20 6e |d..TERM |should n|
|00005400| 65 76 65 72 20 62 65 20 | 67 65 6e 65 72 61 74 65 |ever be |generate|
|00005410| 64 2e 0a 58 0a 54 68 65 | 20 75 73 65 72 20 63 61 |d..X.The| user ca|
|00005420| 6e 20 61 72 72 61 6e 67 | 65 20 66 6f 72 20 58 43 |n arrang|e for XC|
|00005430| 50 55 2c 20 58 46 53 5a | 2c 20 50 52 4f 46 2c 20 |PU, XFSZ|, PROF, |
|00005440| 56 54 41 4c 52 4d 2c 20 | 61 6e 64 20 41 4c 52 4d |VTALRM, |and ALRM|
|00005450| 20 74 6f 20 62 65 20 73 | 65 6e 74 3a 0a 58 2a 2f | to be s|ent:.X*/|
|00005460| 0a 58 20 73 69 67 6e 61 | 6c 28 53 49 47 58 43 50 |.X signa|l(SIGXCP|
|00005470| 55 2c 53 49 47 5f 49 47 | 4e 29 3b 20 2f 2a 20 58 |U,SIG_IG|N); /* X|
|00005480| 58 58 20 2a 2f 0a 58 20 | 73 69 67 6e 61 6c 28 53 |XX */.X |signal(S|
|00005490| 49 47 58 46 53 5a 2c 53 | 49 47 5f 49 47 4e 29 3b |IGXFSZ,S|IG_IGN);|
|000054a0| 20 2f 2a 20 77 65 27 6c | 6c 20 67 65 74 20 6e 6f | /* we'l|l get no|
|000054b0| 74 69 63 65 20 6f 6e 20 | 77 72 69 74 65 28 29 20 |tice on |write() |
|000054c0| 2a 2f 0a 58 20 73 69 67 | 6e 61 6c 28 53 49 47 41 |*/.X sig|nal(SIGA|
|000054d0| 4c 52 4d 2c 53 49 47 5f | 49 47 4e 29 3b 0a 58 20 |LRM,SIG_|IGN);.X |
|000054e0| 73 69 67 6e 61 6c 28 53 | 49 47 56 54 41 4c 52 4d |signal(S|IGVTALRM|
|000054f0| 2c 53 49 47 5f 49 47 4e | 29 3b 0a 58 20 73 69 67 |,SIG_IGN|);.X sig|
|00005500| 6e 61 6c 28 53 49 47 50 | 52 4f 46 2c 53 49 47 5f |nal(SIGP|ROF,SIG_|
|00005510| 49 47 4e 29 3b 20 2f 2a | 20 61 6e 64 20 69 66 20 |IGN); /*| and if |
|00005520| 77 65 27 72 65 20 62 65 | 69 6e 67 20 70 72 6f 66 |we're be|ing prof|
|00005530| 69 6c 65 64 2c 20 74 6f | 6f 20 62 61 64 21 20 2a |iled, to|o bad! *|
|00005540| 2f 0a 58 0a 58 20 73 69 | 67 6e 61 6c 28 53 49 47 |/.X.X si|gnal(SIG|
|00005550| 54 45 52 4d 2c 53 49 47 | 5f 49 47 4e 29 3b 20 2f |TERM,SIG|_IGN); /|
|00005560| 2a 20 58 58 58 20 2a 2f | 0a 58 20 73 69 67 6e 61 |* XXX */|.X signa|
|00005570| 6c 28 53 49 47 55 53 52 | 31 2c 53 49 47 5f 49 47 |l(SIGUSR|1,SIG_IG|
|00005580| 4e 29 3b 20 2f 2a 20 58 | 58 58 20 2a 2f 0a 58 20 |N); /* X|XX */.X |
|00005590| 73 69 67 6e 61 6c 28 53 | 49 47 55 53 52 32 2c 53 |signal(S|IGUSR2,S|
|000055a0| 49 47 5f 49 47 4e 29 3b | 20 2f 2a 20 58 58 58 20 |IG_IGN);| /* XXX |
|000055b0| 2a 2f 0a 58 0a 58 20 63 | 6c 6f 73 65 61 6c 6c 62 |*/.X.X c|loseallb|
|000055c0| 75 74 28 29 3b 0a 58 7d | 0a 45 4e 44 5f 4f 46 5f |ut();.X}|.END_OF_|
|000055d0| 46 49 4c 45 0a 69 66 20 | 74 65 73 74 20 32 30 32 |FILE.if |test 202|
|000055e0| 37 35 20 2d 6e 65 20 60 | 77 63 20 2d 63 20 3c 27 |75 -ne `|wc -c <'|
|000055f0| 70 74 79 6d 61 73 74 65 | 72 2e 63 27 60 3b 20 74 |ptymaste|r.c'`; t|
|00005600| 68 65 6e 0a 20 20 20 20 | 65 63 68 6f 20 73 68 61 |hen. |echo sha|
|00005610| 72 3a 20 5c 22 27 70 74 | 79 6d 61 73 74 65 72 2e |r: \"'pt|ymaster.|
|00005620| 63 27 5c 22 20 75 6e 70 | 61 63 6b 65 64 20 77 69 |c'\" unp|acked wi|
|00005630| 74 68 20 77 72 6f 6e 67 | 20 73 69 7a 65 21 0a 66 |th wrong| size!.f|
|00005640| 69 0a 23 20 65 6e 64 20 | 6f 66 20 27 70 74 79 6d |i.# end |of 'ptym|
|00005650| 61 73 74 65 72 2e 63 27 | 0a 66 69 0a 69 66 20 74 |aster.c'|.fi.if t|
|00005660| 65 73 74 20 2d 66 20 27 | 72 61 64 69 78 73 6f 72 |est -f '|radixsor|
|00005670| 74 2e 63 27 20 2d 61 20 | 22 24 7b 31 7d 22 20 21 |t.c' -a |"${1}" !|
|00005680| 3d 20 22 2d 63 22 20 3b | 20 74 68 65 6e 20 0a 20 |= "-c" ;| then . |
|00005690| 20 65 63 68 6f 20 73 68 | 61 72 3a 20 57 69 6c 6c | echo sh|ar: Will|
|000056a0| 20 6e 6f 74 20 63 6c 6f | 62 62 65 72 20 65 78 69 | not clo|bber exi|
|000056b0| 73 74 69 6e 67 20 66 69 | 6c 65 20 5c 22 27 72 61 |sting fi|le \"'ra|
|000056c0| 64 69 78 73 6f 72 74 2e | 63 27 5c 22 0a 65 6c 73 |dixsort.|c'\".els|
|000056d0| 65 0a 65 63 68 6f 20 73 | 68 61 72 3a 20 45 78 74 |e.echo s|har: Ext|
|000056e0| 72 61 63 74 69 6e 67 20 | 5c 22 27 72 61 64 69 78 |racting |\"'radix|
|000056f0| 73 6f 72 74 2e 63 27 5c | 22 20 5c 28 32 30 30 35 |sort.c'\|" \(2005|
|00005700| 37 20 63 68 61 72 61 63 | 74 65 72 73 5c 29 0a 73 |7 charac|ters\).s|
|00005710| 65 64 20 22 73 2f 5e 58 | 2f 2f 22 20 3e 27 72 61 |ed "s/^X|//" >'ra|
|00005720| 64 69 78 73 6f 72 74 2e | 63 27 20 3c 3c 27 45 4e |dixsort.|c' <<'EN|
|00005730| 44 5f 4f 46 5f 46 49 4c | 45 27 0a 58 2f 2a 20 72 |D_OF_FIL|E'.X/* r|
|00005740| 61 64 69 78 73 6f 72 74 | 2e 63 2c 20 72 61 64 69 |adixsort|.c, radi|
|00005750| 78 73 6f 72 74 2e 68 3a | 20 6c 69 6e 65 61 72 2d |xsort.h:| linear-|
|00005760| 70 65 72 2d 62 79 74 65 | 20 69 6e 2d 6d 65 6d 6f |per-byte| in-memo|
|00005770| 72 79 20 73 74 72 69 6e | 67 20 73 6f 72 74 0a 44 |ry strin|g sort.D|
|00005780| 61 6e 69 65 6c 20 4a 2e | 20 42 65 72 6e 73 74 65 |aniel J.| Bernste|
|00005790| 69 6e 2c 20 62 72 6e 73 | 74 6e 64 40 6e 79 75 2e |in, brns|tnd@nyu.|
|000057a0| 65 64 75 3b 20 4b 65 69 | 74 68 20 42 6f 73 74 69 |edu; Kei|th Bosti|
|000057b0| 63 2c 20 62 6f 73 74 69 | 63 40 75 63 62 76 61 78 |c, bosti|c@ucbvax|
|000057c0| 2e 62 65 72 6b 65 6c 65 | 79 2e 65 64 75 2e 0a 4e |.berkele|y.edu..N|
|000057d0| 6f 20 64 65 70 65 6e 64 | 65 6e 63 69 65 73 2e 0a |o depend|encies..|
|000057e0| 52 65 71 75 69 72 65 73 | 20 6d 61 6c 6c 6f 63 2c |Requires| malloc,|
|000057f0| 20 66 72 65 65 2c 20 62 | 63 6f 70 79 2c 20 62 7a | free, b|copy, bz|
|00005800| 65 72 6f 2e 20 43 61 6e | 20 75 73 65 20 2d 44 55 |ero. Can| use -DU|
|00005810| 43 48 41 52 5f 4d 41 58 | 2e 0a 58 31 30 2f 35 2f |CHAR_MAX|..X10/5/|
|00005820| 39 31 20 44 4a 42 3a 20 | 4d 61 64 65 20 63 20 73 |91 DJB: |Made c s|
|00005830| 74 61 74 69 63 2c 20 61 | 64 64 65 64 20 63 74 72 |tatic, a|dded ctr|
|00005840| 2e 0a 58 37 2f 32 33 2f | 39 31 20 44 4a 42 3a 20 |..X7/23/|91 DJB: |
|00005850| 42 61 73 65 6c 69 6e 65 | 2e 20 72 61 64 69 78 73 |Baseline|. radixs|
|00005860| 6f 72 74 2f 44 4a 42 20 | 33 2e 30 2e 20 53 65 65 |ort/DJB |3.0. See|
|00005870| 20 62 6f 74 74 6f 6d 20 | 66 6f 72 20 42 53 44 20 | bottom |for BSD |
|00005880| 63 6f 70 79 72 69 67 68 | 74 2e 0a 4e 6f 20 6b 6e |copyrigh|t..No kn|
|00005890| 6f 77 6e 20 70 61 74 65 | 6e 74 20 70 72 6f 62 6c |own pate|nt probl|
|000058a0| 65 6d 73 2e 0a 58 0a 44 | 6f 63 75 6d 65 6e 74 61 |ems..X.D|ocumenta|
|000058b0| 74 69 6f 6e 20 69 6e 20 | 72 61 64 69 78 73 6f 72 |tion in |radixsor|
|000058c0| 74 2e 33 2c 20 70 6f 72 | 74 69 6f 6e 73 20 62 61 |t.3, por|tions ba|
|000058d0| 73 65 64 20 6f 6e 20 42 | 53 44 20 64 6f 63 75 6d |sed on B|SD docum|
|000058e0| 65 6e 74 61 74 69 6f 6e | 2e 0a 58 0a 48 69 73 74 |entation|..X.Hist|
|000058f0| 6f 72 79 3a 20 49 20 64 | 69 73 63 6f 76 65 72 65 |ory: I d|iscovere|
|00005900| 64 20 61 64 61 70 74 69 | 76 65 20 64 69 73 74 72 |d adapti|ve distr|
|00005910| 69 62 75 74 69 6f 6e 20 | 73 6f 72 74 20 69 6e 20 |ibution |sort in |
|00005920| 31 39 38 37 2e 20 28 49 | 20 68 61 76 65 6e 27 74 |1987. (I| haven't|
|00005930| 0a 70 75 62 6c 69 73 68 | 65 64 20 61 20 70 61 70 |.publish|ed a pap|
|00005940| 65 72 20 6f 6e 20 69 74 | 2d 2d 2d 69 74 27 73 20 |er on it|---it's |
|00005950| 74 6f 6f 20 74 72 69 76 | 69 61 6c 20 66 6f 72 20 |too triv|ial for |
|00005960| 74 68 61 74 2d 2d 2d 74 | 68 6f 75 67 68 20 49 20 |that---t|hough I |
|00005970| 64 69 64 0a 6d 65 6e 74 | 69 6f 6e 20 69 74 20 69 |did.ment|ion it i|
|00005980| 6e 20 61 20 6c 65 74 74 | 65 72 20 74 6f 20 4b 6e |n a lett|er to Kn|
|00005990| 75 74 68 2e 29 20 49 74 | 20 67 72 65 77 20 6f 75 |uth.) It| grew ou|
|000059a0| 74 20 6f 66 20 61 20 73 | 75 67 67 65 73 74 69 6f |t of a s|uggestio|
|000059b0| 6e 20 71 75 6f 74 65 64 | 20 69 6e 0a 4b 6e 75 74 |n quoted| in.Knut|
|000059c0| 68 27 73 20 73 65 63 74 | 69 6f 6e 20 6f 6e 20 71 |h's sect|ion on q|
|000059d0| 75 69 63 6b 73 6f 72 74 | 20 65 74 20 61 6c 2e 2c |uicksort| et al.,|
|000059e0| 20 76 6f 6c 75 6d 65 20 | 33 2c 20 70 61 67 65 20 | volume |3, page |
|000059f0| 31 32 38 3a 20 60 60 4a | 6f 68 6e 20 4d 63 43 61 |128: ``J|ohn McCa|
|00005a00| 72 74 68 79 0a 68 61 73 | 20 73 75 67 67 65 73 74 |rthy.has| suggest|
|00005a10| 65 64 20 73 65 74 74 69 | 6e 67 20 4b 20 5c 61 70 |ed setti|ng K \ap|
|00005a20| 70 72 6f 78 20 28 75 20 | 2b 20 76 29 2f 32 2c 20 |prox (u |+ v)/2, |
|00005a30| 69 66 20 61 6c 6c 20 6b | 65 79 73 20 61 72 65 20 |if all k|eys are |
|00005a40| 6b 6e 6f 77 6e 20 74 6f | 20 6c 69 65 0a 62 65 74 |known to| lie.bet|
|00005a50| 77 65 65 6e 20 75 20 61 | 6e 64 20 76 2e 27 27 20 |ween u a|nd v.'' |
|00005a60| 57 68 61 74 27 73 20 74 | 68 65 20 62 69 67 67 65 |What's t|he bigge|
|00005a70| 73 74 20 70 72 6f 62 6c | 65 6d 20 77 69 74 68 20 |st probl|em with |
|00005a80| 4d 53 44 20 72 61 64 69 | 78 20 73 6f 72 74 3f 20 |MSD radi|x sort? |
|00005a90| 59 6f 75 0a 63 61 6e 20 | 77 61 73 74 65 20 6c 6f |You.can |waste lo|
|00005aa0| 74 73 20 6f 66 20 74 69 | 6d 65 20 63 6f 6e 73 69 |ts of ti|me consi|
|00005ab0| 64 65 72 69 6e 67 20 72 | 61 6e 67 65 73 20 6f 66 |dering r|anges of|
|00005ac0| 20 6b 65 79 73 20 74 68 | 61 74 20 64 6f 6e 27 74 | keys th|at don't|
|00005ad0| 20 65 76 65 6e 20 65 78 | 69 73 74 21 0a 49 6e 20 | even ex|ist!.In |
|00005ae0| 64 69 73 74 72 69 62 75 | 74 69 6f 6e 20 73 6f 72 |distribu|tion sor|
|00005af0| 74 2c 20 68 6f 77 65 76 | 65 72 2c 20 79 6f 75 20 |t, howev|er, you |
|00005b00| 75 73 75 61 6c 6c 79 20 | 73 74 61 72 74 20 62 79 |usually |start by|
|00005b10| 20 66 69 6e 64 69 6e 67 | 20 74 68 65 20 6d 69 6e | finding| the min|
|00005b20| 69 6d 75 6d 0a 61 6e 64 | 20 6d 61 78 69 6d 75 6d |imum.and| maximum|
|00005b30| 20 6b 65 79 73 2e 20 48 | 65 72 65 20 4d 63 43 61 | keys. H|ere McCa|
|00005b40| 72 74 68 79 27 73 20 73 | 75 67 67 65 73 74 69 6f |rthy's s|uggestio|
|00005b50| 6e 20 70 6f 70 73 20 69 | 6e 2e 20 54 6f 20 73 6f |n pops i|n. To so|
|00005b60| 72 74 20 61 20 70 69 6c | 65 20 6f 66 0a 66 6c 6f |rt a pil|e of.flo|
|00005b70| 61 74 69 6e 67 2d 70 6f | 69 6e 74 20 6e 75 6d 62 |ating-po|int numb|
|00005b80| 65 72 73 2c 20 66 69 6e | 64 20 74 68 65 69 72 20 |ers, fin|d their |
|00005b90| 6d 69 6e 69 6d 75 6d 20 | 61 6e 64 20 6d 61 78 69 |minimum |and maxi|
|00005ba0| 6d 75 6d 2c 20 64 69 76 | 69 64 65 20 74 68 65 0a |mum, div|ide the.|
|00005bb0| 69 6e 74 65 72 76 61 6c | 20 65 76 65 6e 6c 79 20 |interval| evenly |
|00005bc0| 69 6e 74 6f 20 6e 20 73 | 75 62 69 6e 74 65 72 76 |into n s|ubinterv|
|00005bd0| 61 6c 73 2c 20 61 6e 64 | 20 73 70 6c 69 74 20 74 |als, and| split t|
|00005be0| 68 65 20 6e 75 6d 62 65 | 72 73 20 69 6e 74 6f 20 |he numbe|rs into |
|00005bf0| 70 69 6c 65 73 20 62 79 | 0a 69 6e 74 65 72 76 61 |piles by|.interva|
|00005c00| 6c 20 6a 75 73 74 20 61 | 73 20 69 6e 20 4d 53 44 |l just a|s in MSD|
|00005c10| 20 72 61 64 69 78 20 73 | 6f 72 74 2e 20 4a 75 73 | radix s|ort. Jus|
|00005c20| 74 20 61 73 20 69 6e 20 | 71 75 69 63 6b 73 6f 72 |t as in |quicksor|
|00005c30| 74 2c 20 73 74 6f 70 20 | 73 70 6c 69 74 74 69 6e |t, stop |splittin|
|00005c40| 67 0a 77 68 65 6e 20 61 | 20 70 69 6c 65 20 63 61 |g.when a| pile ca|
|00005c50| 6e 20 62 65 20 73 6f 72 | 74 65 64 20 65 66 66 69 |n be sor|ted effi|
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