/ Usenet 1994 January / usenetsourcesnewsgroupsinfomagicjanuary1994.iso / sources / misc / volume1 / 8707 / 43

< prev

next >

view JSON data

view as text

open on a Mac

open on a PC

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 3a 20 61 72 | 6e 6f 6c 64 40 65 6d 6f |From: ar|nold@emo|
|00000010| 72 79 2e 55 55 43 50 20 | 28 41 72 6e 6f 6c 64 20 |ry.UUCP |(Arnold |
|00000020| 44 2e 20 52 6f 62 62 69 | 6e 73 20 7b 45 55 43 43 |D. Robbi|ns {EUCC|
|00000030| 7d 29 0a 4e 65 77 73 67 | 72 6f 75 70 73 3a 20 63 |}).Newsg|roups: c|
|00000040| 6f 6d 70 2e 73 6f 75 72 | 63 65 73 2e 6d 69 73 63 |omp.sour|ces.misc|
|00000050| 0a 53 75 62 6a 65 63 74 | 3a 20 2f 64 65 76 2f 66 |.Subject|: /dev/f|
|00000060| 75 6c 6c 20 64 65 76 69 | 63 65 20 66 6f 72 20 34 |ull devi|ce for 4|
|00000070| 2e 33 20 42 53 44 0a 4d | 65 73 73 61 67 65 2d 49 |.3 BSD.M|essage-I|
|00000080| 44 3a 20 3c 32 38 34 37 | 40 6e 63 6f 61 73 74 2e |D: <2847|@ncoast.|
|00000090| 55 55 43 50 3e 0a 44 61 | 74 65 3a 20 31 31 20 4a |UUCP>.Da|te: 11 J|
|000000a0| 75 6c 20 38 37 20 30 32 | 3a 30 39 3a 35 31 20 47 |ul 87 02|:09:51 G|
|000000b0| 4d 54 0a 53 65 6e 64 65 | 72 3a 20 61 6c 6c 62 65 |MT.Sende|r: allbe|
|000000c0| 72 79 40 6e 63 6f 61 73 | 74 2e 55 55 43 50 0a 4f |ry@ncoas|t.UUCP.O|
|000000d0| 72 67 61 6e 69 7a 61 74 | 69 6f 6e 3a 20 4d 61 74 |rganizat|ion: Mat|
|000000e0| 68 20 26 20 43 6f 6d 70 | 75 74 65 72 20 53 63 69 |h & Comp|uter Sci|
|000000f0| 65 6e 63 65 2c 20 45 6d | 6f 72 79 20 55 6e 69 76 |ence, Em|ory Univ|
|00000100| 65 72 73 69 74 79 2c 20 | 41 74 6c 61 6e 74 61 0a |ersity, |Atlanta.|
|00000110| 4c 69 6e 65 73 3a 20 38 | 33 0a 41 70 70 72 6f 76 |Lines: 8|3.Approv|
|00000120| 65 64 3a 20 61 6c 6c 62 | 65 72 79 40 6e 63 6f 61 |ed: allb|ery@ncoa|
|00000130| 73 74 2e 55 55 43 50 0a | 58 2d 41 72 63 68 69 76 |st.UUCP.|X-Archiv|
|00000140| 65 3a 20 63 6f 6d 70 2e | 73 6f 75 72 63 65 73 2e |e: comp.|sources.|
|00000150| 6d 69 73 63 2f 38 37 30 | 37 2f 34 33 0a 0a 41 20 |misc/870|7/43..A |
|00000160| 77 68 69 6c 65 20 62 61 | 63 6b 20 69 6e 20 63 6f |while ba|ck in co|
|00000170| 6d 70 2e 75 6e 69 78 2e | 77 69 7a 61 72 64 73 2c |mp.unix.|wizards,|
|00000180| 20 65 6c 73 69 65 21 61 | 64 6f 20 28 41 72 74 68 | elsie!a|do (Arth|
|00000190| 75 72 20 44 61 76 69 64 | 20 4f 6c 73 65 6e 29 20 |ur David| Olsen) |
|000001a0| 73 75 67 67 65 73 74 65 | 64 0a 74 68 65 20 69 64 |suggeste|d.the id|
|000001b0| 65 61 20 6f 66 20 2f 64 | 65 76 2f 66 75 6c 6c 2c |ea of /d|ev/full,|
|000001c0| 20 61 20 64 61 74 61 20 | 73 6f 75 72 63 65 2e 20 | a data |source. |
|000001d0| 48 65 20 73 70 65 63 75 | 6c 61 74 65 64 20 69 74 |He specu|lated it|
|000001e0| 20 77 6f 75 6c 64 20 62 | 65 20 75 73 65 66 75 6c | would b|e useful|
|000001f0| 20 66 6f 72 0a 74 65 73 | 74 69 6e 67 20 74 61 70 | for.tes|ting tap|
|00000200| 65 20 64 72 69 76 65 73 | 2c 20 65 2e 67 2e 0a 0a |e drives|, e.g...|
|00000210| 09 24 20 64 64 20 69 66 | 3d 2f 64 65 76 2f 66 75 |.$ dd if|=/dev/fu|
|00000220| 6c 6c 20 6f 66 3d 2f 64 | 65 76 2f 72 6d 74 38 20 |ll of=/d|ev/rmt8 |
|00000230| 62 73 3d 32 30 6b 0a 0a | 74 6f 20 73 65 65 20 68 |bs=20k..|to see h|
|00000240| 6f 77 20 66 61 73 74 20 | 79 6f 75 20 63 61 6e 20 |ow fast |you can |
|00000250| 6d 61 6b 65 20 69 74 20 | 67 6f 2e 20 54 68 65 72 |make it |go. Ther|
|00000260| 65 20 6d 61 79 20 62 65 | 20 6f 74 68 65 72 20 75 |e may be| other u|
|00000270| 73 65 73 20 61 73 20 77 | 65 6c 6c 2e 0a 0a 49 20 |ses as w|ell...I |
|00000280| 6c 69 6b 65 64 20 74 68 | 65 20 69 64 65 61 2c 20 |liked th|e idea, |
|00000290| 73 6f 20 49 20 77 65 6e | 74 20 61 68 65 61 64 20 |so I wen|t ahead |
|000002a0| 61 6e 64 20 64 69 64 20 | 69 74 2e 20 49 74 27 73 |and did |it. It's|
|000002b0| 20 6f 6e 6c 79 20 37 20 | 6d 6f 72 65 20 6c 69 6e | only 7 |more lin|
|000002c0| 65 73 20 6f 66 0a 63 6f | 64 65 20 69 6e 20 2f 73 |es of.co|de in /s|
|000002d0| 79 73 2f 76 61 78 2f 6d | 65 6d 2e 63 20 69 6e 20 |ys/vax/m|em.c in |
|000002e0| 34 2e 33 20 42 53 44 2e | 20 41 73 20 61 6c 77 61 |4.3 BSD.| As alwa|
|000002f0| 79 73 2c 20 79 6f 75 72 | 20 6c 69 6e 65 20 6e 75 |ys, your| line nu|
|00000300| 6d 62 65 72 73 20 6d 61 | 79 20 76 61 72 79 2c 0a |mbers ma|y vary,.|
|00000310| 62 75 74 20 70 61 74 63 | 68 20 73 68 6f 75 6c 64 |but patc|h should|
|00000320| 20 62 65 20 61 62 6c 65 | 20 74 6f 20 68 61 6e 64 | be able| to hand|
|00000330| 6c 65 20 69 74 2e 0a 0a | 45 6e 6a 6f 79 2c 0a 0a |le it...|Enjoy,..|
|00000340| 41 72 6e 6f 6c 64 20 52 | 6f 62 62 69 6e 73 0a 2d |Arnold R|obbins.-|
|00000350| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000360| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000370| 2d 2d 2d 2d 0a 23 21 20 | 2f 62 69 6e 2f 73 68 0a |----.#! |/bin/sh.|
|00000380| 23 20 54 68 69 73 20 69 | 73 20 61 20 73 68 65 6c |# This i|s a shel|
|00000390| 6c 20 61 72 63 68 69 76 | 65 2c 20 6d 65 61 6e 69 |l archiv|e, meani|
|000003a0| 6e 67 3a 0a 23 20 31 2e | 20 52 65 6d 6f 76 65 20 |ng:.# 1.| Remove |
|000003b0| 65 76 65 72 79 74 68 69 | 6e 67 20 61 62 6f 76 65 |everythi|ng above|
|000003c0| 20 74 68 65 20 23 21 20 | 2f 62 69 6e 2f 73 68 20 | the #! |/bin/sh |
|000003d0| 6c 69 6e 65 2e 0a 23 20 | 32 2e 20 53 61 76 65 20 |line..# |2. Save |
|000003e0| 74 68 65 20 72 65 73 75 | 6c 74 69 6e 67 20 74 65 |the resu|lting te|
|000003f0| 78 74 20 69 6e 20 61 20 | 66 69 6c 65 2e 0a 23 20 |xt in a |file..# |
|00000400| 33 2e 20 45 78 65 63 75 | 74 65 20 74 68 65 20 66 |3. Execu|te the f|
|00000410| 69 6c 65 20 77 69 74 68 | 20 2f 62 69 6e 2f 73 68 |ile with| /bin/sh|
|00000420| 20 28 6e 6f 74 20 63 73 | 68 29 20 74 6f 20 63 72 | (not cs|h) to cr|
|00000430| 65 61 74 65 20 74 68 65 | 20 66 69 6c 65 73 3a 0a |eate the| files:.|
|00000440| 23 09 6d 65 6d 2e 63 2e | 70 61 74 63 68 0a 23 09 |#.mem.c.|patch.#.|
|00000450| 66 75 6c 6c 2e 34 0a 23 | 20 54 68 69 73 20 61 72 |full.4.#| This ar|
|00000460| 63 68 69 76 65 20 63 72 | 65 61 74 65 64 3a 20 46 |chive cr|eated: F|
|00000470| 72 69 20 4a 75 6c 20 31 | 30 20 31 32 3a 34 37 3a |ri Jul 1|0 12:47:|
|00000480| 33 39 20 31 39 38 37 0a | 65 78 70 6f 72 74 20 50 |39 1987.|export P|
|00000490| 41 54 48 3b 20 50 41 54 | 48 3d 2f 62 69 6e 3a 24 |ATH; PAT|H=/bin:$|
|000004a0| 50 41 54 48 0a 65 63 68 | 6f 20 73 68 61 72 3a 20 |PATH.ech|o shar: |
|000004b0| 65 78 74 72 61 63 74 69 | 6e 67 20 22 27 6d 65 6d |extracti|ng "'mem|
|000004c0| 2e 63 2e 70 61 74 63 68 | 27 22 20 27 28 35 31 36 |.c.patch|'" '(516|
|000004d0| 20 63 68 61 72 61 63 74 | 65 72 73 29 27 0a 69 66 | charact|ers)'.if|
|000004e0| 20 74 65 73 74 20 2d 66 | 20 27 6d 65 6d 2e 63 2e | test -f| 'mem.c.|
|000004f0| 70 61 74 63 68 27 0a 74 | 68 65 6e 0a 09 65 63 68 |patch'.t|hen..ech|
|00000500| 6f 20 73 68 61 72 3a 20 | 77 69 6c 6c 20 6e 6f 74 |o shar: |will not|
|00000510| 20 6f 76 65 72 2d 77 72 | 69 74 65 20 65 78 69 73 | over-wr|ite exis|
|00000520| 74 69 6e 67 20 66 69 6c | 65 20 22 27 6d 65 6d 2e |ting fil|e "'mem.|
|00000530| 63 2e 70 61 74 63 68 27 | 22 0a 65 6c 73 65 0a 63 |c.patch'|".else.c|
|00000540| 61 74 20 3c 3c 20 5c 53 | 48 41 52 5f 45 4f 46 20 |at << \S|HAR_EOF |
|00000550| 3e 20 27 6d 65 6d 2e 63 | 2e 70 61 74 63 68 27 0a |> 'mem.c|.patch'.|
|00000560| 72 63 73 64 69 66 66 20 | 2d 63 20 2d 72 31 2e 31 |rcsdiff |-c -r1.1|
|00000570| 20 6d 65 6d 2e 63 0a 52 | 43 53 20 66 69 6c 65 3a | mem.c.R|CS file:|
|00000580| 20 52 43 53 2f 6d 65 6d | 2e 63 2c 76 0a 72 65 74 | RCS/mem|.c,v.ret|
|00000590| 72 69 65 76 69 6e 67 20 | 72 65 76 69 73 69 6f 6e |rieving |revision|
|000005a0| 20 31 2e 31 0a 64 69 66 | 66 20 2d 63 20 2d 72 31 | 1.1.dif|f -c -r1|
|000005b0| 2e 31 20 6d 65 6d 2e 63 | 0a 2a 2a 2a 20 2f 74 6d |.1 mem.c|.*** /tm|
|000005c0| 70 2f 2c 52 43 53 74 31 | 30 31 35 30 32 30 09 46 |p/,RCSt1|015020.F|
|000005d0| 72 69 20 4a 75 6c 20 31 | 30 20 31 32 3a 34 36 3a |ri Jul 1|0 12:46:|
|000005e0| 33 39 20 31 39 38 37 0a | 2d 2d 2d 20 6d 65 6d 2e |39 1987.|--- mem.|
|000005f0| 63 09 57 65 64 20 4d 61 | 79 20 32 37 20 31 35 3a |c.Wed Ma|y 27 15:|
|00000600| 32 34 3a 33 33 20 31 39 | 38 37 0a 2a 2a 2a 2a 2a |24:33 19|87.*****|
|00000610| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 0a 2a 2a 2a 20 31 |********|**.*** 1|
|00000620| 31 39 2c 31 32 34 20 2a | 2a 2a 2a 0a 2d 2d 2d 20 |19,124 *|***.--- |
|00000630| 31 32 32 2c 31 33 34 20 | 2d 2d 2d 2d 0a 20 20 09 |122,134 |----.  .|
|00000640| 09 09 09 67 6f 74 6f 20 | 66 61 75 6c 74 3b 0a 20 |...goto |fault;. |
|00000650| 20 09 09 09 65 72 72 6f | 72 20 3d 20 55 4e 49 63 | ...erro|r = UNIc|
|00000660| 70 79 28 28 63 61 64 64 | 72 5f 74 29 75 69 6f 2d |py((cadd|r_t)uio-|
|00000670| 3e 75 69 6f 5f 6f 66 66 | 73 65 74 2c 20 69 6f 76 |>uio_off|set, iov|
|00000680| 2d 3e 69 6f 76 5f 62 61 | 73 65 2c 0a 20 20 09 09 |->iov_ba|se,.  ..|
|00000690| 09 20 20 20 20 28 69 6e | 74 29 63 2c 20 72 77 29 |.    (in|t)c, rw)|
|000006a0| 3b 0a 2b 20 09 09 09 62 | 72 65 61 6b 3b 0a 2b 20 |;.+ ...b|reak;.+ |
|000006b0| 0a 2b 20 2f 2a 20 6d 69 | 6e 6f 72 20 64 65 76 69 |.+ /* mi|nor devi|
|000006c0| 63 65 20 34 20 69 73 20 | 2f 64 65 76 2f 66 75 6c |ce 4 is |/dev/ful|
|000006d0| 6c 20 2d 2d 20 73 75 63 | 63 65 73 73 20 6f 6e 20 |l -- suc|cess on |
|000006e0| 72 65 61 64 2c 20 30 20 | 6f 6e 20 77 72 69 74 65 |read, 0 |on write|
|000006f0| 20 2a 2f 0a 2b 20 09 09 | 63 61 73 65 20 34 3a 0a | */.+ ..|case 4:.|
|00000700| 2b 20 09 09 09 69 66 20 | 28 72 77 20 3d 3d 20 55 |+ ...if |(rw == U|
|00000710| 49 4f 5f 57 52 49 54 45 | 29 0a 2b 20 09 09 09 09 |IO_WRITE|).+ ....|
|00000720| 72 65 74 75 72 6e 20 28 | 30 29 3b 0a 2b 20 09 09 |return (|0);.+ ..|
|00000730| 09 63 20 3d 20 69 6f 76 | 2d 3e 69 6f 76 5f 6c 65 |.c = iov|->iov_le|
|00000740| 6e 3b 0a 20 20 09 09 09 | 62 72 65 61 6b 3b 0a 20 |n;.  ...|break;. |
|00000750| 20 09 09 7d 0a 20 20 09 | 09 69 66 20 28 65 72 72 | ..}.  .|.if (err|
|00000760| 6f 72 29 0a 53 48 41 52 | 5f 45 4f 46 0a 66 69 20 |or).SHAR|_EOF.fi |
|00000770| 23 20 65 6e 64 20 6f 66 | 20 6f 76 65 72 77 72 69 |# end of| overwri|
|00000780| 74 69 6e 67 20 63 68 65 | 63 6b 0a 65 63 68 6f 20 |ting che|ck.echo |
|00000790| 73 68 61 72 3a 20 65 78 | 74 72 61 63 74 69 6e 67 |shar: ex|tracting|
|000007a0| 20 22 27 66 75 6c 6c 2e | 34 27 22 20 27 28 32 37 | "'full.|4'" '(27|
|000007b0| 37 20 63 68 61 72 61 63 | 74 65 72 73 29 27 0a 69 |7 charac|ters)'.i|
|000007c0| 66 20 74 65 73 74 20 2d | 66 20 27 66 75 6c 6c 2e |f test -|f 'full.|
|000007d0| 34 27 0a 74 68 65 6e 0a | 09 65 63 68 6f 20 73 68 |4'.then.|.echo sh|
|000007e0| 61 72 3a 20 77 69 6c 6c | 20 6e 6f 74 20 6f 76 65 |ar: will| not ove|
|000007f0| 72 2d 77 72 69 74 65 20 | 65 78 69 73 74 69 6e 67 |r-write |existing|
|00000800| 20 66 69 6c 65 20 22 27 | 66 75 6c 6c 2e 34 27 22 | file "'|full.4'"|
|00000810| 0a 65 6c 73 65 0a 63 61 | 74 20 3c 3c 20 5c 53 48 |.else.ca|t << \SH|
|00000820| 41 52 5f 45 4f 46 20 3e | 20 27 66 75 6c 6c 2e 34 |AR_EOF >| 'full.4|
|00000830| 27 0a 2e 54 48 20 46 55 | 4c 4c 20 34 20 6c 6f 63 |'..TH FU|LL 4 loc|
|00000840| 61 6c 0a 2e 53 48 20 4e | 41 4d 45 0a 66 75 6c 6c |al..SH N|AME.full|
|00000850| 20 5c 2d 20 64 61 74 61 | 20 73 6f 75 72 63 65 0a | \- data| source.|
|00000860| 2e 53 48 20 53 59 4e 4f | 50 53 49 53 0a 44 61 74 |.SH SYNO|PSIS.Dat|
|00000870| 61 20 72 65 61 64 20 66 | 72 6f 6d 20 74 68 65 20 |a read f|rom the |
|00000880| 66 75 6c 6c 20 73 70 65 | 63 69 61 6c 20 64 65 76 |full spe|cial dev|
|00000890| 69 63 65 20 61 6c 77 61 | 79 73 20 72 65 74 75 72 |ice alwa|ys retur|
|000008a0| 6e 73 20 74 68 65 20 6e | 75 6d 62 65 72 20 6f 66 |ns the n|umber of|
|000008b0| 0a 62 79 74 65 73 20 72 | 65 71 75 65 73 74 65 64 |.bytes r|equested|
|000008c0| 2e 0a 2e 50 50 0a 54 68 | 65 20 6e 75 6d 62 65 72 |...PP.Th|e number|
|000008d0| 20 6f 66 20 62 79 74 65 | 73 20 74 68 61 74 20 63 | of byte|s that c|
|000008e0| 61 6e 20 62 65 20 77 72 | 69 74 74 65 6e 20 74 6f |an be wr|itten to|
|000008f0| 0a 74 68 65 20 66 75 6c | 6c 20 73 70 65 63 69 61 |.the ful|l specia|
|00000900| 6c 20 64 65 76 69 63 65 | 20 69 73 20 61 6c 77 61 |l device| is alwa|
|00000910| 79 73 20 7a 65 72 6f 2e | 0a 2e 53 48 20 46 49 4c |ys zero.|..SH FIL|
|00000920| 45 53 0a 2f 64 65 76 2f | 66 75 6c 6c 0a 2e 53 48 |ES./dev/|full..SH|
|00000930| 20 53 45 45 20 41 4c 53 | 4f 0a 2e 49 52 20 6e 75 | SEE ALS|O..IR nu|
|00000940| 6c 6c 20 28 34 29 0a 53 | 48 41 52 5f 45 4f 46 0a |ll (4).S|HAR_EOF.|
|00000950| 66 69 20 23 20 65 6e 64 | 20 6f 66 20 6f 76 65 72 |fi # end| of over|
|00000960| 77 72 69 74 69 6e 67 20 | 63 68 65 63 6b 0a 23 09 |writing |check.#.|
|00000970| 45 6e 64 20 6f 66 20 73 | 68 65 6c 6c 20 61 72 63 |End of s|hell arc|
|00000980| 68 69 76 65 0a 65 78 69 | 74 20 30 0a 2d 2d 20 0a |hive.exi|t 0.-- .|
|00000990| 41 72 6e 6f 6c 64 20 52 | 6f 62 62 69 6e 73 0a 41 |Arnold R|obbins.A|
|000009a0| 52 50 41 2c 20 43 53 4e | 45 54 3a 09 61 72 6e 6f |RPA, CSN|ET:.arno|
|000009b0| 6c 64 40 65 6d 6f 72 79 | 2e 41 52 50 41 09 42 49 |ld@emory|.ARPA.BI|
|000009c0| 54 4e 45 54 3a 20 61 72 | 6e 6f 6c 64 40 65 6d 6f |TNET: ar|nold@emo|
|000009d0| 72 79 0a 55 55 43 50 3a | 09 7b 20 64 65 63 76 61 |ry.UUCP:|.{ decva|
|000009e0| 78 2c 20 67 61 74 65 63 | 68 2c 20 73 75 6e 21 73 |x, gatec|h, sun!s|
|000009f0| 75 6e 61 74 6c 20 7d 21 | 65 6d 6f 72 79 21 61 72 |unatl }!|emory!ar|
|00000a00| 6e 6f 6c 64 0a 4f 4e 45 | 2d 4f 46 2d 54 48 45 53 |nold.ONE|-OF-THES|
|00000a10| 45 2d 44 41 59 53 3a 09 | 61 72 6e 6f 6c 64 40 65 |E-DAYS:.|arnold@e|
|00000a20| 6d 6f 72 79 2e 6d 61 74 | 68 63 73 2e 65 6d 6f 72 |mory.mat|hcs.emor|
|00000a30| 79 2e 65 64 75 0a       |                         |y.edu.  |        |
+--------+-------------------------+-------------------------+--------+--------+