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MacOS 8.1

Win98

DOS

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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 70 72 6f 63 65 73 73 2d | 63 77 64 2f 00 00 00 00 |process-|cwd/....|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000050| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000060| 00 00 00 00 20 20 20 37 | 35 35 20 00 20 20 31 35 |....   7|55 .  15|
|00000070| 32 34 20 00 20 20 20 20 | 31 33 20 00 20 20 20 20 |24 .    |13 .    |
|00000080| 20 20 20 20 20 20 30 20 | 20 34 35 32 33 33 36 35 |      0 | 4523365|
|00000090| 31 31 33 20 20 20 36 32 | 37 33 00 20 00 00 00 00 |113   62|73. ....|
|000000a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000000f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000100| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000110| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000120| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000130| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000140| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000150| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000160| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000170| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000180| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000190| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000001f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000200| 70 72 6f 63 65 73 73 2d | 63 77 64 2f 53 68 61 72 |process-|cwd/Shar|
|00000210| 46 69 6c 65 2e 48 65 61 | 64 65 72 73 00 00 00 00 |File.Hea|ders....|
|00000220| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000230| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000240| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000250| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000260| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 31 35 |....   6|44 .  15|
|00000270| 32 34 20 00 20 20 20 20 | 31 33 20 00 20 20 20 20 |24 .    |13 .    |
|00000280| 20 20 20 31 34 32 34 20 | 20 34 35 32 33 33 36 35 |   1424 | 4523365|
|00000290| 31 31 33 20 20 31 31 33 | 35 33 00 20 00 00 00 00 |113  113|53. ....|
|000002a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000002f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000300| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000310| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000320| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000330| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000340| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000350| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000360| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000370| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000380| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000390| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000003f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000400| 3d 3d 3d 20 70 72 6f 63 | 65 73 73 2d 63 77 64 2e |=== proc|ess-cwd.|
|00000410| 73 68 61 72 20 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |shar ===|========|
|00000420| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 0a 46 |========|======.F|
|00000430| 72 6f 6d 20 73 70 61 72 | 6b 79 66 73 21 7a 6f 64 |rom spar|kyfs!zod|
|00000440| 69 61 63 21 61 6d 65 73 | 21 75 63 73 64 21 74 75 |iac!ames|!ucsd!tu|
|00000450| 74 2e 63 69 73 2e 6f 68 | 69 6f 2d 73 74 61 74 65 |t.cis.oh|io-state|
|00000460| 2e 65 64 75 21 63 73 2e | 75 74 65 78 61 73 2e 65 |.edu!cs.|utexas.e|
|00000470| 64 75 21 75 75 6e 65 74 | 21 62 62 6e 2e 63 6f 6d |du!uunet|!bbn.com|
|00000480| 21 72 73 61 6c 7a 20 54 | 75 65 20 4f 63 74 20 32 |!rsalz T|ue Oct 2|
|00000490| 34 20 31 34 3a 34 31 3a | 30 33 20 50 44 54 20 31 |4 14:41:|03 PDT 1|
|000004a0| 39 38 39 0a 0a 53 75 62 | 6d 69 74 74 65 64 2d 62 |989..Sub|mitted-b|
|000004b0| 79 3a 20 43 6c 69 66 66 | 20 53 70 65 6e 63 65 72 |y: Cliff| Spencer|
|000004c0| 20 3c 63 73 70 65 6e 63 | 65 72 40 73 70 64 63 63 | <cspenc|er@spdcc|
|000004d0| 2e 63 6f 6d 3e 0a 50 6f | 73 74 69 6e 67 2d 6e 75 |.com>.Po|sting-nu|
|000004e0| 6d 62 65 72 3a 20 56 6f | 6c 75 6d 65 20 32 30 2c |mber: Vo|lume 20,|
|000004f0| 20 49 73 73 75 65 20 34 | 36 0a 41 72 63 68 69 76 | Issue 4|6.Archiv|
|00000500| 65 2d 6e 61 6d 65 3a 20 | 70 72 6f 63 65 73 73 2d |e-name: |process-|
|00000510| 63 77 64 0a 0a 0a 48 65 | 72 65 20 69 73 20 63 77 |cwd...He|re is cw|
|00000520| 64 2c 20 69 74 20 70 65 | 72 66 6f 72 6d 73 20 61 |d, it pe|rforms a|
|00000530| 20 70 77 64 28 29 20 74 | 68 65 20 68 61 72 64 20 | pwd() t|he hard |
|00000540| 77 61 79 2e 20 20 54 68 | 69 73 20 69 73 20 61 20 |way.  Th|is is a |
|00000550| 70 72 6f 67 72 61 6d 20 | 74 68 61 74 0a 70 72 69 |program |that.pri|
|00000560| 6e 74 73 20 6f 75 74 20 | 74 68 65 20 63 75 72 72 |nts out |the curr|
|00000570| 65 6e 74 20 77 6f 72 6b | 69 6e 67 20 64 69 72 65 |ent work|ing dire|
|00000580| 63 74 6f 72 79 20 6f 66 | 20 70 72 6f 63 65 73 73 |ctory of| process|
|00000590| 65 73 20 6f 6e 20 79 6f | 75 72 20 42 53 44 20 62 |es on yo|ur BSD b|
|000005a0| 61 73 65 64 0a 73 79 73 | 74 65 6d 2e 20 49 74 20 |ased.sys|tem. It |
|000005b0| 69 73 20 70 72 6f 62 61 | 62 6c 79 20 6d 6f 73 74 |is proba|bly most|
|000005c0| 20 75 73 65 66 75 6c 20 | 66 6f 72 20 61 6d 75 73 | useful |for amus|
|000005d0| 65 6d 65 6e 74 20 70 75 | 72 70 6f 73 65 73 2e 20 |ement pu|rposes. |
|000005e0| 43 77 64 20 77 6f 6e 27 | 74 20 77 6f 72 6b 0a 6f |Cwd won'|t work.o|
|000005f0| 6e 20 4e 46 53 20 68 6f | 73 74 73 2e 20 49 20 77 |n NFS ho|sts. I w|
|00000600| 65 6c 63 6f 6d 65 20 61 | 6c 6c 20 62 75 67 20 72 |elcome a|ll bug r|
|00000610| 65 70 6f 72 74 73 2e 0a | 09 09 09 09 09 09 43 6c |eports..|......Cl|
|00000620| 69 66 66 20 53 70 65 6e | 63 65 72 0a 09 09 09 09 |iff Spen|cer.....|
|00000630| 09 09 73 70 64 63 63 21 | 6c 65 6d 6d 69 6e 67 21 |..spdcc!|lemming!|
|00000640| 63 73 70 65 6e 63 65 72 | 0a 0a 0a 23 20 54 68 69 |cspencer|...# Thi|
|00000650| 73 20 69 73 20 61 20 73 | 68 65 6c 6c 20 61 72 63 |s is a s|hell arc|
|00000660| 68 69 76 65 2e 20 20 52 | 65 6d 6f 76 65 20 61 6e |hive.  R|emove an|
|00000670| 79 74 68 69 6e 67 20 62 | 65 66 6f 72 65 20 74 68 |ything b|efore th|
|00000680| 69 73 20 6c 69 6e 65 2c | 20 74 68 65 6e 0a 23 20 |is line,| then.# |
|00000690| 75 6e 70 61 63 6b 20 69 | 74 20 62 79 20 73 61 76 |unpack i|t by sav|
|000006a0| 69 6e 67 20 69 74 20 69 | 6e 20 61 20 66 69 6c 65 |ing it i|n a file|
|000006b0| 20 61 6e 64 20 74 79 70 | 69 6e 67 20 22 73 68 20 | and typ|ing "sh |
|000006c0| 66 69 6c 65 22 2e 20 20 | 63 64 20 2f 75 28 46 69 |file".  |cd /u(Fi|
|000006d0| 6c 65 73 0a 23 20 75 6e | 70 61 63 6b 65 64 20 77 |les.# un|packed w|
|000006e0| 69 6c 6c 20 62 65 20 6f | 77 6e 65 64 20 62 79 20 |ill be o|wned by |
|000006f0| 79 6f 75 20 61 6e 64 20 | 68 61 76 65 20 64 65 66 |you and |have def|
|00000700| 61 75 6c 74 20 70 65 72 | 6d 69 73 73 69 6f 6e 73 |ault per|missions|
|00000710| 2e 29 0a 0a 00 00 00 00 | 00 00 00 00 00 00 00 00 |.)......|........|
|00000720| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000007f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000800| 70 72 6f 63 65 73 73 2d | 63 77 64 2f 52 45 41 44 |process-|cwd/READ|
|00000810| 4d 45 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |ME......|........|
|00000820| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000830| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000840| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000850| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000860| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 31 35 |....   6|44 .  15|
|00000870| 32 34 20 00 20 20 20 20 | 31 33 20 00 20 20 20 20 |24 .    |13 .    |
|00000880| 20 20 20 20 34 35 30 20 | 20 34 35 32 33 33 36 35 |    450 | 4523365|
|00000890| 31 31 31 20 20 20 37 32 | 31 35 00 20 00 00 00 00 |111   72|15. ....|
|000008a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000008f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000900| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000920| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000930| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000940| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000970| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000980| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000990| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000009f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000a00| 54 75 65 20 4f 63 74 20 | 31 37 20 32 31 3a 35 32 |Tue Oct |17 21:52|
|00000a10| 3a 30 31 20 45 44 54 20 | 31 39 38 39 0a 48 65 72 |:01 EDT |1989.Her|
|00000a20| 65 20 69 73 20 63 77 64 | 2c 20 61 20 70 72 6f 67 |e is cwd|, a prog|
|00000a30| 72 61 6d 20 74 68 61 74 | 20 70 72 69 6e 74 73 20 |ram that| prints |
|00000a40| 6f 75 74 20 74 68 65 20 | 63 75 72 72 65 6e 74 20 |out the |current |
|00000a50| 77 6f 72 6b 69 6e 67 20 | 64 69 72 65 63 74 6f 72 |working |director|
|00000a60| 79 0a 6f 66 20 70 72 6f | 63 65 73 73 65 73 20 6f |y.of pro|cesses o|
|00000a70| 6e 20 79 6f 75 72 20 42 | 53 44 20 62 61 73 65 64 |n your B|SD based|
|00000a80| 20 73 79 73 74 65 6d 2e | 20 49 74 20 69 73 20 70 | system.| It is p|
|00000a90| 72 6f 62 61 62 6c 79 20 | 6d 6f 73 74 20 75 73 65 |robably |most use|
|00000aa0| 66 75 6c 20 66 6f 72 20 | 0a 61 6d 75 73 65 6d 65 |ful for |.amuseme|
|00000ab0| 6e 74 20 70 75 72 70 6f | 73 65 73 2e 20 43 77 64 |nt purpo|ses. Cwd|
|00000ac0| 20 77 6f 6e 27 74 20 77 | 6f 72 6b 20 6f 6e 20 4e | won't w|ork on N|
|00000ad0| 46 53 20 68 6f 73 74 73 | 2e 20 49 20 77 65 6c 63 |FS hosts|. I welc|
|00000ae0| 6f 6d 65 20 61 6c 6c 20 | 62 75 67 20 0a 72 65 70 |ome all |bug .rep|
|00000af0| 6f 72 74 73 2e 0a 09 09 | 09 09 09 09 43 6c 69 66 |orts....|....Clif|
|00000b00| 66 20 53 70 65 6e 63 65 | 72 0a 09 09 09 09 09 09 |f Spence|r.......|
|00000b10| 73 70 64 63 63 21 6c 65 | 6d 6d 69 6e 67 21 63 73 |spdcc!le|mming!cs|
|00000b20| 70 65 6e 63 65 72 0a 0a | 72 66 6f 72 6d 73 20 61 |pencer..|rforms a|
|00000b30| 20 70 77 64 28 29 20 74 | 68 65 20 68 61 72 64 20 | pwd() t|he hard |
|00000b40| 77 61 79 2e 20 20 54 68 | 69 73 20 69 73 20 61 20 |way.  Th|is is a |
|00000b50| 70 72 6f 67 72 61 6d 20 | 74 68 61 74 0a 70 72 69 |program |that.pri|
|00000b60| 6e 74 73 20 6f 75 74 20 | 74 68 65 20 63 75 72 72 |nts out |the curr|
|00000b70| 65 6e 74 20 77 6f 72 6b | 69 6e 67 20 64 69 72 65 |ent work|ing dire|
|00000b80| 63 74 6f 72 79 20 6f 66 | 20 70 72 6f 63 65 73 73 |ctory of| process|
|00000b90| 65 73 20 6f 6e 20 79 6f | 75 72 20 42 53 44 20 62 |es on yo|ur BSD b|
|00000ba0| 61 73 65 64 0a 73 79 73 | 74 65 6d 2e 20 49 74 20 |ased.sys|tem. It |
|00000bb0| 69 73 20 70 72 6f 62 61 | 62 6c 79 20 6d 6f 73 74 |is proba|bly most|
|00000bc0| 20 75 73 65 66 75 6c 20 | 66 6f 72 20 61 6d 75 73 | useful |for amus|
|00000bd0| 65 6d 65 6e 74 20 70 75 | 72 70 6f 73 65 73 2e 20 |ement pu|rposes. |
|00000be0| 43 77 64 20 77 6f 6e 27 | 74 20 77 6f 72 6b 0a 6f |Cwd won'|t work.o|
|00000bf0| 6e 20 4e 46 53 20 68 6f | 73 74 73 2e 20 49 20 77 |n NFS ho|sts. I w|
|00000c00| 70 72 6f 63 65 73 73 2d | 63 77 64 2f 4d 61 6b 65 |process-|cwd/Make|
|00000c10| 66 69 6c 65 00 00 00 00 | 00 00 00 00 00 00 00 00 |file....|........|
|00000c20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000c30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000c40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000c50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000c60| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 31 35 |....   6|44 .  15|
|00000c70| 32 34 20 00 20 20 20 20 | 31 33 20 00 20 20 20 20 |24 .    |13 .    |
|00000c80| 20 20 20 20 34 33 32 20 | 20 34 35 32 33 33 36 35 |    432 | 4523365|
|00000c90| 31 31 32 20 20 20 37 37 | 37 36 00 20 00 00 00 00 |112   77|76. ....|
|00000ca0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000cb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000cc0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000cd0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000ce0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000cf0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d00| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d10| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d20| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d30| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d40| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d50| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d70| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d80| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d90| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000da0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000db0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000dc0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000dd0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000de0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000df0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000e00| 23 4d 61 6b 65 66 69 6c | 65 20 66 6f 72 20 63 77 |#Makefil|e for cw|
|00000e10| 64 0a 23 0a 23 20 4f 6e | 65 20 6f 66 20 62 73 64 |d.#.# On|e of bsd|
|00000e20| 2c 20 75 6c 74 72 69 78 | 2c 20 6f 72 20 73 75 6e |, ultrix|, or sun|
|00000e30| 20 73 68 6f 75 6c 64 20 | 62 65 20 64 65 66 69 6e | should |be defin|
|00000e40| 65 64 0a 23 20 69 66 20 | 79 6f 75 27 72 65 20 75 |ed.# if |you're u|
|00000e50| 73 69 6e 67 20 67 63 63 | 20 6f 72 20 42 53 44 34 |sing gcc| or BSD4|
|00000e60| 2e 33 2c 20 79 6f 75 27 | 6c 6c 20 6e 65 65 64 20 |.3, you'|ll need |
|00000e70| 74 6f 20 64 65 66 69 6e | 65 20 74 68 65 0a 23 20 |to defin|e the.# |
|00000e80| 61 70 70 72 6f 70 72 69 | 61 74 65 20 73 79 6d 62 |appropri|ate symb|
|00000e90| 6f 6c 20 69 6e 20 43 46 | 4c 41 47 53 0a 43 43 3d |ol in CF|LAGS.CC=|
|00000ea0| 63 63 0a 52 4d 3d 2f 62 | 69 6e 2f 72 6d 0a 0a 43 |cc.RM=/b|in/rm..C|
|00000eb0| 46 4c 41 47 53 3d 2d 67 | 20 0a 0a 63 77 64 3a 20 |FLAGS=-g| ..cwd: |
|00000ec0| 63 77 64 2e 6f 20 0a 09 | 24 28 43 43 29 20 24 28 |cwd.o ..|$(CC) $(|
|00000ed0| 43 46 4c 41 47 53 29 20 | 2d 6f 20 63 77 64 20 63 |CFLAGS) |-o cwd c|
|00000ee0| 77 64 2e 6f 0a 63 6c 65 | 61 6e 3a 0a 09 24 28 52 |wd.o.cle|an:..$(R|
|00000ef0| 4d 29 20 2d 66 20 63 77 | 64 2e 6f 0a 0a 63 6c 6f |M) -f cw|d.o..clo|
|00000f00| 62 62 65 72 3a 20 63 6c | 65 61 6e 0a 09 24 28 52 |bber: cl|ean..$(R|
|00000f10| 4d 29 20 2d 66 20 63 77 | 64 0a 69 6e 67 21 63 73 |M) -f cw|d.ing!cs|
|00000f20| 70 65 6e 63 65 72 0a 0a | 72 66 6f 72 6d 73 20 61 |pencer..|rforms a|
|00000f30| 20 70 77 64 28 29 20 74 | 68 65 20 68 61 72 64 20 | pwd() t|he hard |
|00000f40| 77 61 79 2e 20 20 54 68 | 69 73 20 69 73 20 61 20 |way.  Th|is is a |
|00000f50| 70 72 6f 67 72 61 6d 20 | 74 68 61 74 0a 70 72 69 |program |that.pri|
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|00001c80| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
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|00001d20| 59 29 3b 0a 20 20 20 20 | 20 20 20 20 6b 6d 65 6d |Y);.    |    kmem|
|00001d30| 20 3d 20 65 6f 70 65 6e | 28 22 2f 64 65 76 2f 6b | = eopen|("/dev/k|
|00001d40| 6d 65 6d 22 2c 20 4f 5f | 52 44 4f 4e 4c 59 29 3b |mem", O_|RDONLY);|
|00001d50| 0a 20 20 20 20 20 20 20 | 20 73 77 61 70 20 3d 20 |.       | swap = |
|00001d60| 65 6f 70 65 6e 28 22 2f | 64 65 76 2f 64 72 75 6d |eopen("/|dev/drum|
|00001d70| 22 2c 20 4f 5f 52 44 4f | 4e 4c 59 29 3b 0a 20 20 |", O_RDO|NLY);.  |
|00001d80| 20 20 20 20 20 20 0a 20 | 20 20 20 20 20 20 20 0a |      . |       .|
|00001d90| 20 20 20 20 20 20 20 20 | 6d 72 65 61 64 28 6b 6d |        |mread(km|
|00001da0| 65 6d 2c 28 64 61 64 64 | 72 5f 74 29 6e 6c 73 74 |em,(dadd|r_t)nlst|
|00001db0| 5b 58 5f 4e 50 52 4f 43 | 5d 2e 6e 5f 76 61 6c 75 |[X_NPROC|].n_valu|
|00001dc0| 65 2c 20 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |e, .    |        |
|00001dd0| 20 20 28 63 68 61 72 20 | 2a 29 26 6e 70 72 6f 63 |  (char |*)&nproc|
|00001de0| 2c 20 73 69 7a 65 6f 66 | 28 6e 70 72 6f 63 29 29 |, sizeof|(nproc))|
|00001df0| 3b 0a 20 20 20 20 20 20 | 20 20 6d 72 65 61 64 28 |;.      |  mread(|
|00001e00| 6b 6d 65 6d 2c 20 28 64 | 61 64 64 72 5f 74 29 6e |kmem, (d|addr_t)n|
|00001e10| 6c 73 74 5b 58 5f 50 52 | 4f 43 5d 2e 6e 5f 76 61 |lst[X_PR|OC].n_va|
|00001e20| 6c 75 65 2c 20 28 63 68 | 61 72 20 2a 29 26 70 2c |lue, (ch|ar *)&p,|
|00001e30| 20 73 69 7a 65 6f 66 28 | 70 29 29 3b 0a 20 20 20 | sizeof(|p));.   |
|00001e40| 20 20 20 20 20 6d 6f 75 | 6e 74 5f 73 74 75 66 66 |     mou|nt_stuff|
|00001e50| 20 3d 20 67 65 74 6d 6f | 75 6e 74 73 74 75 66 66 | = getmo|untstuff|
|00001e60| 28 6e 6c 73 74 29 3b 0a | 20 20 20 20 20 20 20 20 |(nlst);.|        |
|00001e70| 0a 09 70 72 69 6e 74 66 | 28 22 50 49 44 20 20 20 |..printf|("PID   |
|00001e80| 20 55 53 45 52 20 20 20 | 20 20 20 20 43 4f 4d 4d | USER   |    COMM|
|00001e90| 41 4e 44 20 20 20 20 20 | 20 20 20 20 20 50 41 54 |AND     |     PAT|
|00001ea0| 48 5c 6e 22 29 3b 0a 20 | 20 20 20 20 20 20 20 69 |H\n");. |       i|
|00001eb0| 66 20 28 61 72 67 63 20 | 3e 20 31 29 20 7b 0a 20 |f (argc |> 1) {. |
|00001ec0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 77 |        |       w|
|00001ed0| 68 69 6c 65 20 28 2d 2d | 61 72 67 63 29 0a 20 20 |hile (--|argc).  |
|00001ee0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00001ef0| 20 20 20 20 20 20 63 77 | 64 28 6d 6f 75 6e 74 5f |      cw|d(mount_|
|00001f00| 73 74 75 66 66 2c 20 70 | 2c 20 6e 70 72 6f 63 2c |stuff, p|, nproc,|
|00001f10| 20 6e 61 6d 65 32 75 69 | 64 28 2a 2b 2b 61 72 67 | name2ui|d(*++arg|
|00001f20| 76 29 29 3b 0a 20 20 20 | 20 20 20 20 20 7d 0a 20 |v));.   |     }. |
|00001f30| 20 20 20 20 20 20 20 65 | 6c 73 65 0a 20 20 20 20 |       e|lse.    |
|00001f40| 20 20 20 20 20 20 20 20 | 20 20 20 20 63 77 64 28 |        |    cwd(|
|00001f50| 6d 6f 75 6e 74 5f 73 74 | 75 66 66 2c 20 70 2c 20 |mount_st|uff, p, |
|00001f60| 6e 70 72 6f 63 2c 20 41 | 4e 59 5f 55 49 44 29 3b |nproc, A|NY_UID);|
|00001f70| 0a 7d 0a 0a 63 77 64 28 | 6d 6f 75 6e 74 5f 73 74 |.}..cwd(|mount_st|
|00001f80| 75 66 66 2c 20 70 72 6f | 63 61 64 64 72 2c 20 6e |uff, pro|caddr, n|
|00001f90| 70 72 6f 63 2c 20 75 69 | 64 29 0a 73 74 72 75 63 |proc, ui|d).struc|
|00001fa0| 74 20 6d 6f 75 6e 74 5f | 73 74 75 66 66 20 2a 6d |t mount_|stuff *m|
|00001fb0| 6f 75 6e 74 5f 73 74 75 | 66 66 3b 0a 73 74 72 75 |ount_stu|ff;.stru|
|00001fc0| 63 74 20 70 72 6f 63 20 | 2a 70 72 6f 63 61 64 64 |ct proc |*procadd|
|00001fd0| 72 3b 0a 75 6e 73 69 67 | 6e 65 64 20 6e 70 72 6f |r;.unsig|ned npro|
|00001fe0| 63 3b 0a 69 6e 74 20 75 | 69 64 3b 0a 7b 0a 09 73 |c;.int u|id;.{..s|
|00001ff0| 74 72 75 63 74 20 69 6e | 6f 64 65 20 2a 63 64 69 |truct in|ode *cdi|
|00002000| 72 2c 20 2a 67 65 74 63 | 64 69 72 28 29 3b 0a 20 |r, *getc|dir();. |
|00002010| 20 20 20 20 20 20 20 73 | 74 72 75 63 74 20 70 72 |       s|truct pr|
|00002020| 6f 63 20 2a 70 2c 20 70 | 72 6f 63 3b 0a 20 20 20 |oc *p, p|roc;.   |
|00002030| 20 20 20 20 20 73 74 72 | 75 63 74 20 6d 6f 75 6e |     str|uct moun|
|00002040| 74 5f 73 74 75 66 66 20 | 2a 6d 2c 20 2a 64 65 76 |t_stuff |*m, *dev|
|00002050| 74 6f 73 74 75 66 66 28 | 29 3b 0a 20 20 20 20 20 |tostuff(|);.     |
|00002060| 20 20 20 73 74 72 75 63 | 74 20 75 73 65 72 20 2a |   struc|t user *|
|00002070| 67 65 74 75 28 29 3b 0a | 20 20 20 20 20 20 20 20 |getu();.|        |
|00002080| 63 68 61 72 20 2a 70 61 | 74 68 3b 0a 20 20 20 20 |char *pa|th;.    |
|00002090| 20 20 20 20 73 74 72 75 | 63 74 20 75 73 65 72 20 |    stru|ct user |
|000020a0| 2a 75 3b 20 0a 20 20 20 | 20 20 20 20 20 63 68 61 |*u; .   |     cha|
|000020b0| 72 20 2a 66 69 6e 64 70 | 61 74 68 28 29 3b 0a 09 |r *findp|ath();..|
|000020c0| 69 6e 74 20 70 72 6f 63 | 69 3b 0a 20 20 20 20 20 |int proc|i;.     |
|000020d0| 20 20 20 0a 09 69 66 20 | 28 75 69 64 20 3d 3d 20 |   ..if |(uid == |
|000020e0| 4e 4f 53 55 43 48 5f 55 | 53 45 52 29 0a 09 09 72 |NOSUCH_U|SER)...r|
|000020f0| 65 74 75 72 6e 3b 0a 09 | 66 6f 72 20 28 70 72 6f |eturn;..|for (pro|
|00002100| 63 69 20 3d 20 30 2c 20 | 70 20 3d 20 26 70 72 6f |ci = 0, |p = &pro|
|00002110| 63 3b 20 70 72 6f 63 69 | 20 3c 20 6e 70 72 6f 63 |c; proci| < nproc|
|00002120| 3b 20 70 72 6f 63 69 2b | 2b 29 20 7b 0a 09 09 6d |; proci+|+) {...m|
|00002130| 72 65 61 64 28 6b 6d 65 | 6d 2c 20 28 64 61 64 64 |read(kme|m, (dadd|
|00002140| 72 5f 74 29 26 70 72 6f | 63 61 64 64 72 5b 70 72 |r_t)&pro|caddr[pr|
|00002150| 6f 63 69 5d 2c 20 28 63 | 68 61 72 20 2a 29 26 70 |oci], (c|har *)&p|
|00002160| 72 6f 63 2c 20 0a 09 09 | 09 73 69 7a 65 6f 66 28 |roc, ...|.sizeof(|
|00002170| 73 74 72 75 63 74 20 70 | 72 6f 63 29 29 3b 0a 20 |struct p|roc));. |
|00002180| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 69 |        |       i|
|00002190| 66 20 28 70 2d 3e 70 5f | 73 74 61 74 20 26 26 20 |f (p->p_|stat && |
|000021a0| 70 2d 3e 70 5f 73 74 61 | 74 20 21 3d 20 53 5a 4f |p->p_sta|t != SZO|
|000021b0| 4d 42 29 20 7b 0a 20 20 | 20 20 20 20 20 20 20 20 |MB) {.  |        |
|000021c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 69 66 |        |      if|
|000021d0| 20 28 75 69 64 20 21 3d | 20 41 4e 59 5f 55 49 44 | (uid !=| ANY_UID|
|000021e0| 20 26 26 20 70 2d 3e 70 | 5f 75 69 64 20 21 3d 20 | && p->p|_uid != |
|000021f0| 75 69 64 29 0a 20 20 20 | 20 20 20 20 20 20 20 20 |uid).   |        |
|00002200| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002210| 20 20 20 20 20 63 6f 6e | 74 69 6e 75 65 3b 0a 20 |     con|tinue;. |
|00002220| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002230| 20 20 20 20 20 20 20 69 | 66 20 28 75 20 3d 20 67 |       i|f (u = g|
|00002240| 65 74 75 28 70 2c 20 6d | 65 6d 2c 20 6b 6d 65 6d |etu(p, m|em, kmem|
|00002250| 2c 20 73 77 61 70 29 29 | 20 7b 0a 20 20 20 20 20 |, swap))| {.     |
|00002260| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002270| 20 20 20 20 20 20 20 20 | 20 20 20 63 64 69 72 20 |        |   cdir |
|00002280| 3d 20 67 65 74 63 64 69 | 72 28 6b 6d 65 6d 2c 28 |= getcdi|r(kmem,(|
|00002290| 64 61 64 64 72 5f 74 29 | 75 2d 3e 75 5f 63 64 69 |daddr_t)|u->u_cdi|
|000022a0| 72 29 3b 0a 09 09 09 09 | 70 72 69 6e 74 70 69 64 |r);.....|printpid|
|000022b0| 28 70 2d 3e 70 5f 70 69 | 64 29 3b 0a 20 20 20 20 |(p->p_pi|d);.    |
|000022c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000022d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 28 76 6f 69 |        |    (voi|
|000022e0| 64 29 70 72 69 6e 74 75 | 73 65 72 28 75 2d 3e 75 |d)printu|ser(u->u|
|000022f0| 5f 75 69 64 29 3b 0a 20 | 20 20 20 20 20 20 20 20 |_uid);. |        |
|00002300| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002310| 20 20 20 20 20 20 20 70 | 72 69 6e 74 63 6f 6d 6d |       p|rintcomm|
|00002320| 28 75 2c 20 70 2d 3e 70 | 5f 70 69 64 29 3b 0a 20 |(u, p->p|_pid);. |
|00002330| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002340| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 6d |        |       m|
|00002350| 20 3d 20 64 65 76 74 6f | 73 74 75 66 66 28 63 64 | = devto|stuff(cd|
|00002360| 69 72 2d 3e 69 5f 64 65 | 76 2c 20 6d 6f 75 6e 74 |ir->i_de|v, mount|
|00002370| 5f 73 74 75 66 66 29 3b | 0a 20 20 20 20 20 20 20 |_stuff);|.       |
|00002380| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002390| 20 20 20 20 20 20 20 20 | 20 69 66 20 28 21 6d 29 |        | if (!m)|
|000023a0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|000023b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000023c0| 20 20 20 20 20 20 20 20 | 20 70 72 69 6e 74 66 28 |        | printf(|
|000023d0| 22 3c 6e 6f 20 6d 6f 75 | 6e 74 20 69 6e 66 6f 3e |"<no mou|nt info>|
|000023e0| 22 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |");.    |        |
|000023f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002400| 20 20 20 20 65 6c 73 65 | 20 7b 0a 20 20 20 20 20 |    else| {.     |
|00002410| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002420| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002430| 20 20 20 70 61 74 68 20 | 3d 20 66 69 6e 64 70 61 |   path |= findpa|
|00002440| 74 68 28 6d 2c 20 63 64 | 69 72 2d 3e 69 5f 6e 75 |th(m, cd|ir->i_nu|
|00002450| 6d 62 65 72 2c 0a 20 20 | 20 20 20 20 20 20 20 20 |mber,.  |        |
|00002460| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002470| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002480| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 28 69 |        |      (i|
|00002490| 6e 6f 5f 74 29 30 29 3b | 0a 20 20 20 20 20 20 20 |no_t)0);|.       |
|000024a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000024b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000024c0| 20 70 72 69 6e 74 66 28 | 22 25 73 22 2c 20 70 61 | printf(|"%s", pa|
|000024d0| 74 68 29 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |th);.   |        |
|000024e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000024f0| 20 20 20 20 20 7d 0a 20 | 20 20 20 20 20 20 20 20 |     }. |        |
|00002500| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00002510| 20 20 20 20 20 20 20 70 | 72 69 6e 74 66 28 22 5c |       p|rintf("\|
|00002520| 6e 22 29 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |n");.   |        |
|00002530| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 7d 0a 20 |        |     }. |
|00002540| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 7d |        |       }|
|00002550| 0a 20 20 20 20 20 20 20 | 20 7d 0a 7d 0a 0a 2f 2a |.       | }.}../*|
|00002560| 0a 20 2a 20 72 65 63 75 | 72 73 69 76 65 6c 79 20 |. * recu|rsively |
|00002570| 6c 6f 6f 6b 75 70 20 61 | 6e 64 20 72 65 74 75 72 |lookup a|nd retur|
|00002580| 6e 20 74 68 65 20 70 61 | 74 68 20 74 6f 20 74 68 |n the pa|th to th|
|00002590| 65 20 69 6e 6f 64 65 20 | 64 65 73 63 72 69 62 65 |e inode |describe|
|000025a0| 64 20 62 79 20 22 74 68 | 65 6e 75 6d 22 0a 20 2a |d by "th|enum". *|
|000025b0| 20 61 70 70 65 6e 64 20 | 70 61 74 68 20 63 6f 6d | append |path com|
|000025c0| 70 6f 6e 65 6e 74 73 20 | 6f 6e 20 72 65 74 75 72 |ponents |on retur|
|000025d0| 6e 0a 20 2a 20 61 72 67 | 73 3a 0a 20 2a 20 20 20 |n. * arg|s:. *   |
|000025e0| 20 20 20 6d 6f 75 6e 74 | 5f 73 74 75 66 66 3a 20 |   mount|_stuff: |
|000025f0| 6d 6f 75 6e 74 20 69 6e | 66 6f 20 66 6f 72 20 74 |mount in|fo for t|
|00002600| 68 65 20 61 70 70 72 6f | 70 72 69 61 74 65 20 64 |he appro|priate d|
|00002610| 65 76 69 63 65 0a 20 2a | 20 20 20 20 20 20 64 69 |evice. *|      di|
|00002620| 72 69 6e 75 6d 3a 20 69 | 20 6e 75 6d 62 65 72 20 |rinum: i| number |
|00002630| 6f 66 20 74 68 65 20 63 | 75 72 72 65 6e 74 20 64 |of the c|urrent d|
|00002640| 69 72 20 63 6f 6e 74 61 | 69 6e 69 6e 67 20 74 68 |ir conta|ining th|
|00002650| 65 0a 20 2a 20 20 20 20 | 20 20 20 20 20 20 20 20 |e. *    |        |
|00002660| 20 20 65 6c 65 6d 65 6e | 74 20 62 65 69 6e 67 20 |  elemen|t being |
|00002670| 6c 6f 6f 6b 65 64 20 75 | 70 0a 20 2a 20 20 20 20 |looked u|p. *    |
|00002680| 20 20 74 68 65 6e 75 6d | 3a 20 69 20 6e 75 6d 62 |  thenum|: i numb|
|00002690| 65 72 20 74 6f 20 6c 6f | 6f 6b 20 75 70 20 69 6e |er to lo|ok up in|
|000026a0| 20 74 68 69 73 20 64 69 | 72 20 28 30 20 6d 65 61 | this di|r (0 mea|
|000026b0| 6e 73 20 6e 6f 6e 65 29 | 29 0a 20 2a 0a 20 2a 20 |ns none)|). *. * |
|000026c0| 72 65 74 75 72 6e 73 3a | 20 70 61 74 68 6e 61 6d |returns:| pathnam|
|000026d0| 65 20 63 6f 72 72 65 73 | 70 6f 6e 64 69 6e 67 20 |e corres|ponding |
|000026e0| 74 6f 20 64 69 72 69 6e | 75 6d 0a 20 2a 2f 0a 63 |to dirin|um. */.c|
|000026f0| 68 61 72 20 2a 66 69 6e | 64 70 61 74 68 28 6d 6f |har *fin|dpath(mo|
|00002700| 75 6e 74 5f 73 74 75 66 | 66 2c 20 64 69 72 69 6e |unt_stuf|f, dirin|
|00002710| 75 6d 2c 20 74 68 65 6e | 75 6d 29 0a 73 74 72 75 |um, then|um).stru|
|00002720| 63 74 20 6d 6f 75 6e 74 | 5f 73 74 75 66 66 20 2a |ct mount|_stuff *|
|00002730| 6d 6f 75 6e 74 5f 73 74 | 75 66 66 3b 0a 69 6e 6f |mount_st|uff;.ino|
|00002740| 5f 74 20 64 69 72 69 6e | 75 6d 3b 0a 69 6e 6f 5f |_t dirin|um;.ino_|
|00002750| 74 20 74 68 65 6e 75 6d | 3b 0a 7b 0a 20 20 20 20 |t thenum|;.{.    |
|00002760| 20 20 20 20 44 49 52 20 | 2a 6f 70 65 6e 5f 64 69 |    DIR |*open_di|
|00002770| 72 28 29 2c 20 2a 64 69 | 72 3b 0a 20 20 20 20 20 |r(), *di|r;.     |
|00002780| 20 20 20 73 74 72 75 63 | 74 20 64 69 72 65 63 74 |   struc|t direct|
|00002790| 20 2a 72 65 61 64 5f 64 | 69 72 28 29 2c 20 2a 64 | *read_d|ir(), *d|
|000027a0| 69 72 70 3b 0a 20 20 20 | 20 20 20 20 20 73 74 72 |irp;.   |     str|
|000027b0| 75 63 74 20 64 69 6e 6f | 64 65 20 2a 69 70 2c 20 |uct dino|de *ip, |
|000027c0| 2a 72 65 61 64 69 6e 6f | 64 65 28 29 3b 0a 20 20 |*readino|de();.  |
|000027d0| 20 20 20 20 20 20 69 6e | 6f 5f 74 20 64 6f 74 64 |      in|o_t dotd|
|000027e0| 6f 74 2c 64 6f 74 3b 0a | 20 20 20 20 20 20 20 20 |ot,dot;.|        |
|000027f0| 69 6e 74 20 66 64 20 3d | 20 6d 6f 75 6e 74 5f 73 |int fd =| mount_s|
|00002800| 74 75 66 66 2d 3e 66 64 | 3b 0a 20 20 20 20 20 20 |tuff->fd|;.      |
|00002810| 20 20 73 74 72 75 63 74 | 20 66 73 20 2a 66 73 20 |  struct| fs *fs |
|00002820| 3d 20 6d 6f 75 6e 74 5f | 73 74 75 66 66 2d 3e 66 |= mount_|stuff->f|
|00002830| 73 3b 0a 20 20 20 20 20 | 20 20 20 73 74 61 74 69 |s;.     |   stati|
|00002840| 63 20 63 68 61 72 20 70 | 61 74 68 5b 4d 41 58 50 |c char p|ath[MAXP|
|00002850| 41 54 48 4c 45 4e 2b 31 | 5d 3b 0a 20 20 20 20 20 |ATHLEN+1|];.     |
|00002860| 20 20 20 0a 20 20 20 20 | 20 20 20 20 0a 20 20 20 |   .    |    .   |
|00002870| 20 20 20 20 20 2f 2a 0a | 20 20 20 20 20 20 20 20 |     /*.|        |
|00002880| 20 2a 20 68 69 74 20 74 | 68 65 20 72 6f 6f 74 2c | * hit t|he root,|
|00002890| 20 70 72 65 70 65 6e 64 | 20 74 68 65 20 6d 6f 75 | prepend| the mou|
|000028a0| 6e 74 20 70 6f 69 6e 74 | 20 61 6e 64 20 72 65 74 |nt point| and ret|
|000028b0| 75 72 6e 0a 20 20 20 20 | 20 20 20 20 20 2a 2f 0a |urn.    |     */.|
|000028c0| 20 20 20 20 20 20 20 20 | 69 66 20 28 64 69 72 69 |        |if (diri|
|000028d0| 6e 75 6d 20 3d 3d 20 74 | 68 65 6e 75 6d 29 20 7b |num == t|henum) {|
|000028e0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|000028f0| 20 73 74 72 63 70 79 28 | 70 61 74 68 2c 20 6d 6f | strcpy(|path, mo|
|00002900| 75 6e 74 5f 73 74 75 66 | 66 2d 3e 70 61 74 68 29 |unt_stuf|f->path)|
|00002910| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |;.      |        |
|00002920| 20 20 72 65 74 75 72 6e | 20 70 61 74 68 3b 0a 20 |  return| path;. |
|00002930| 20 20 20 20 20 20 20 7d | 0a 20 20 20 20 20 20 20 |       }|.       |
|00002940| 20 0a 20 20 20 20 20 20 | 20 20 0a 09 69 70 20 3d | .      |  ..ip =|
|00002950| 20 72 65 61 64 69 6e 6f | 64 65 28 66 64 2c 20 66 | readino|de(fd, f|
|00002960| 73 2c 20 64 69 72 69 6e | 75 6d 29 3b 0a 09 64 69 |s, dirin|um);..di|
|00002970| 72 20 3d 20 6f 70 65 6e | 5f 64 69 72 28 66 64 2c |r = open|_dir(fd,|
|00002980| 20 66 73 2c 20 69 70 29 | 3b 0a 09 69 66 20 28 64 | fs, ip)|;..if (d|
|00002990| 69 72 20 3d 3d 20 4e 55 | 4c 4c 29 0a 09 09 72 65 |ir == NU|LL)...re|
|000029a0| 74 75 72 6e 20 22 3c 62 | 6f 67 75 73 20 64 69 72 |turn "<b|ogus dir|
|000029b0| 3e 22 3b 0a 09 0a 09 77 | 68 69 6c 65 20 28 64 69 |>";....w|hile (di|
|000029c0| 72 70 20 3d 20 72 65 61 | 64 5f 64 69 72 28 66 73 |rp = rea|d_dir(fs|
|000029d0| 2c 20 69 70 2c 20 64 69 | 72 29 29 20 7b 0a 09 09 |, ip, di|r)) {...|
|000029e0| 69 66 20 28 73 74 72 63 | 6d 70 28 64 69 72 70 2d |if (strc|mp(dirp-|
|000029f0| 3e 64 5f 6e 61 6d 65 2c | 20 22 2e 22 29 20 3d 3d |>d_name,| ".") ==|
|00002a00| 20 30 29 20 7b 0a 09 09 | 09 64 6f 74 20 3d 20 64 | 0) {...|.dot = d|
|00002a10| 69 72 70 2d 3e 64 5f 69 | 6e 6f 3b 2f 2a 20 6e 65 |irp->d_i|no;/* ne|
|00002a20| 78 74 20 69 6e 6f 64 65 | 20 23 20 74 6f 20 6c 6f |xt inode| # to lo|
|00002a30| 6f 6b 75 70 20 2a 2f 0a | 09 09 09 63 6f 6e 74 69 |okup */.|...conti|
|00002a40| 6e 75 65 3b 0a 09 09 7d | 0a 09 09 2f 2a 20 73 61 |nue;...}|.../* sa|
|00002a50| 76 65 20 6e 75 6d 62 65 | 72 20 6f 66 20 70 61 72 |ve numbe|r of par|
|00002a60| 65 6e 74 20 66 6f 72 20 | 6e 65 78 74 20 74 69 6d |ent for |next tim|
|00002a70| 65 20 2a 2f 0a 09 09 65 | 6c 73 65 20 69 66 20 28 |e */...e|lse if (|
|00002a80| 73 74 72 63 6d 70 28 64 | 69 72 70 2d 3e 64 5f 6e |strcmp(d|irp->d_n|
|00002a90| 61 6d 65 2c 20 22 2e 2e | 22 29 20 3d 3d 20 30 29 |ame, "..|") == 0)|
|00002aa0| 0a 09 09 09 64 6f 74 64 | 6f 74 20 3d 20 64 69 72 |....dotd|ot = dir|
|00002ab0| 70 2d 3e 64 5f 69 6e 6f | 3b 0a 09 09 65 6c 73 65 |p->d_ino|;...else|
|00002ac0| 20 69 66 20 28 64 69 72 | 70 2d 3e 64 5f 69 6e 6f | if (dir|p->d_ino|
|00002ad0| 20 3d 3d 20 74 68 65 6e | 75 6d 20 7c 7c 20 74 68 | == then|um || th|
|00002ae0| 65 6e 75 6d 20 3d 3d 20 | 30 29 20 7b 0a 09 09 09 |enum == |0) {....|
|00002af0| 63 68 61 72 20 6e 61 6d | 65 5b 4d 41 58 4e 41 4d |char nam|e[MAXNAM|
|00002b00| 4c 45 4e 2b 31 5d 3b 0a | 09 09 09 0a 09 09 09 69 |LEN+1];.|.......i|
|00002b10| 66 20 28 74 68 65 6e 75 | 6d 29 20 0a 09 09 09 09 |f (thenu|m) .....|
|00002b20| 73 70 72 69 6e 74 66 28 | 6e 61 6d 65 2c 20 22 2f |sprintf(|name, "/|
|00002b30| 25 73 22 2c 20 64 69 72 | 70 2d 3e 64 5f 6e 61 6d |%s", dir|p->d_nam|
|00002b40| 65 29 3b 0a 09 09 20 20 | 20 20 20 20 20 0a 09 09 |e);...  |     ...|
|00002b50| 09 28 76 6f 69 64 29 66 | 69 6e 64 70 61 74 68 28 |.(void)f|indpath(|
|00002b60| 6d 6f 75 6e 74 5f 73 74 | 75 66 66 2c 20 64 6f 74 |mount_st|uff, dot|
|00002b70| 64 6f 74 2c 20 64 6f 74 | 29 3b 0a 09 09 09 69 66 |dot, dot|);....if|
|00002b80| 20 28 74 68 65 6e 75 6d | 29 20 7b 0a 09 09 09 09 | (thenum|) {.....|
|00002b90| 2f 2a 20 0a 09 09 09 09 | 20 2a 20 72 65 6d 6f 76 |/* .....| * remov|
|00002ba0| 65 20 72 65 64 75 6e 64 | 61 6e 74 20 6c 65 61 64 |e redund|ant lead|
|00002bb0| 69 6e 67 20 2f 20 66 6f | 72 0a 09 09 09 09 20 2a |ing / fo|r..... *|
|00002bc0| 20 74 68 69 6e 67 73 20 | 6d 6f 75 6e 74 65 64 20 | things |mounted |
|00002bd0| 6f 6e 20 72 6f 6f 74 0a | 09 09 09 09 20 2a 2f 0a |on root.|.... */.|
|00002be0| 09 09 09 09 69 6e 74 20 | 6c 65 6e 20 3d 20 73 74 |....int |len = st|
|00002bf0| 72 6c 65 6e 28 70 61 74 | 68 29 3b 0a 09 09 09 09 |rlen(pat|h);.....|
|00002c00| 69 66 20 28 70 61 74 68 | 5b 6c 65 6e 2d 31 5d 20 |if (path|[len-1] |
|00002c10| 3d 3d 20 27 2f 27 29 20 | 0a 09 09 09 09 09 6c 65 |== '/') |......le|
|00002c20| 6e 2d 2d 3b 0a 09 09 09 | 09 73 74 72 63 70 79 28 |n--;....|.strcpy(|
|00002c30| 26 70 61 74 68 5b 6c 65 | 6e 5d 2c 6e 61 6d 65 29 |&path[le|n],name)|
|00002c40| 3b 0a 09 09 09 7d 0a 09 | 09 09 62 72 65 61 6b 3b |;....}..|..break;|
|00002c50| 0a 09 09 7d 0a 09 7d 0a | 09 63 6c 6f 73 65 5f 64 |...}..}.|.close_d|
|00002c60| 69 72 28 64 69 72 29 3b | 0a 20 20 20 20 20 20 20 |ir(dir);|.       |
|00002c70| 20 72 65 74 75 72 6e 20 | 70 61 74 68 3b 0a 7d 0a | return |path;.}.|
|00002c80| 0a 0a 2f 2a 0a 20 2a 20 | 72 65 61 64 20 66 72 6f |../*. * |read fro|
|00002c90| 6d 20 61 20 62 6c 6f 63 | 6b 20 66 72 6f 6d 20 74 |m a bloc|k from t|
|00002ca0| 68 65 20 64 69 73 6b 0a | 20 2a 2f 20 20 0a 62 72 |he disk.| */  .br|
|00002cb0| 65 61 64 28 66 69 2c 20 | 62 6e 6f 2c 20 62 75 66 |ead(fi, |bno, buf|
|00002cc0| 2c 20 63 6e 74 29 0a 69 | 6e 74 20 66 69 3b 0a 64 |, cnt).i|nt fi;.d|
|00002cd0| 61 64 64 72 5f 74 20 62 | 6e 6f 3b 0a 63 68 61 72 |addr_t b|no;.char|
|00002ce0| 20 2a 62 75 66 3b 0a 6c | 6f 6e 67 20 63 6e 74 3b | *buf;.l|ong cnt;|
|00002cf0| 0a 7b 0a 20 20 20 20 20 | 20 20 20 6d 72 65 61 64 |.{.     |   mread|
|00002d00| 28 66 69 2c 20 62 6e 6f | 20 2a 20 44 45 56 5f 42 |(fi, bno| * DEV_B|
|00002d10| 53 49 5a 45 2c 20 62 75 | 66 2c 20 63 6e 74 29 3b |SIZE, bu|f, cnt);|
|00002d20| 0a 7d 0a 0a 0a 2f 2a 0a | 20 2a 20 6d 61 70 20 6c |.}.../*.| * map l|
|00002d30| 6f 67 69 63 61 6c 20 74 | 6f 20 70 68 79 73 69 63 |ogical t|o physic|
|00002d40| 61 6c 20 62 6c 6f 63 6b | 20 6e 75 6d 62 65 72 73 |al block| numbers|
|00002d50| 0a 20 2a 2f 0a 64 61 64 | 64 72 5f 74 20 62 6d 61 |. */.dad|dr_t bma|
|00002d60| 70 28 62 2c 20 69 70 2c | 20 66 69 2c 20 66 73 29 |p(b, ip,| fi, fs)|
|00002d70| 0a 64 61 64 64 72 5f 74 | 20 62 3b 0a 73 74 72 75 |.daddr_t| b;.stru|
|00002d80| 63 74 20 64 69 6e 6f 64 | 65 20 2a 69 70 3b 0a 69 |ct dinod|e *ip;.i|
|00002d90| 6e 74 20 66 69 3b 0a 73 | 74 72 75 63 74 20 66 73 |nt fi;.s|truct fs|
|00002da0| 20 2a 66 73 3b 0a 7b 0a | 20 20 20 20 20 20 20 20 | *fs;.{.|        |
|00002db0| 64 61 64 64 72 5f 74 20 | 69 62 75 66 5b 4d 41 58 |daddr_t |ibuf[MAX|
|00002dc0| 42 53 49 5a 45 20 2f 20 | 73 69 7a 65 6f 66 20 28 |BSIZE / |sizeof (|
|00002dd0| 64 61 64 64 72 5f 74 29 | 5d 3b 0a 09 64 61 64 64 |daddr_t)|];..dadd|
|00002de0| 72 5f 74 20 69 62 6c 6f | 63 6b 3b 0a 09 69 6e 74 |r_t iblo|ck;..int|
|00002df0| 20 69 6e 64 69 72 3b 0a | 09 69 6e 74 20 6e 62 6c | indir;.|.int nbl|
|00002e00| 6f 63 6b 73 3b 0a 20 20 | 20 20 20 20 20 20 0a 20 |ocks;.  |      . |
|00002e10| 20 20 20 20 20 20 20 69 | 66 28 62 20 3c 20 4e 44 |       i|f(b < ND|
|00002e20| 41 44 44 52 29 0a 20 20 | 20 20 20 20 20 20 20 20 |ADDR).  |        |
|00002e30| 20 20 20 20 20 20 72 65 | 74 75 72 6e 28 69 70 2d |      re|turn(ip-|
|00002e40| 3e 64 69 5f 64 62 5b 62 | 5d 29 3b 0a 20 20 20 20 |>di_db[b|]);.    |
|00002e50| 20 20 20 20 62 20 2d 3d | 20 4e 44 41 44 44 52 3b |    b -=| NDADDR;|
|00002e60| 0a 09 66 6f 72 20 28 6e | 62 6c 6f 63 6b 73 20 3d |..for (n|blocks =|
|00002e70| 20 31 2c 20 69 6e 64 69 | 72 20 3d 20 30 3b 20 69 | 1, indi|r = 0; i|
|00002e80| 6e 64 69 72 20 3c 20 4e | 49 41 44 44 52 3b 20 69 |ndir < N|IADDR; i|
|00002e90| 6e 64 69 72 2b 2b 29 20 | 7b 0a 09 09 6e 62 6c 6f |ndir++) |{...nblo|
|00002ea0| 63 6b 73 20 2a 3d 20 4e | 49 4e 44 49 52 28 66 73 |cks *= N|INDIR(fs|
|00002eb0| 29 3b 0a 09 09 69 66 20 | 28 6e 62 6c 6f 63 6b 73 |);...if |(nblocks|
|00002ec0| 20 3e 20 62 29 0a 09 09 | 09 62 72 65 61 6b 3b 0a | > b)...|.break;.|
|00002ed0| 09 09 65 6c 73 65 0a 09 | 09 09 62 20 2d 3d 20 6e |..else..|..b -= n|
|00002ee0| 62 6c 6f 63 6b 73 3b 0a | 09 7d 0a 09 69 66 20 28 |blocks;.|.}..if (|
|00002ef0| 69 6e 64 69 72 20 3d 3d | 20 4e 49 41 44 44 52 29 |indir ==| NIADDR)|
|00002f00| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00002f10| 20 72 65 74 75 72 6e 28 | 28 64 61 64 64 72 5f 74 | return(|(daddr_t|
|00002f20| 29 30 29 3b 0a 20 20 20 | 20 20 20 20 09 69 62 6c |)0);.   |    .ibl|
|00002f30| 6f 63 6b 20 3d 20 69 70 | 2d 3e 64 69 5f 69 62 5b |ock = ip|->di_ib[|
|00002f40| 69 6e 64 69 72 5d 3b 0a | 09 66 6f 72 20 28 3b 20 |indir];.|.for (; |
|00002f50| 69 6e 64 69 72 20 3e 3d | 20 30 3b 20 69 6e 64 69 |indir >=| 0; indi|
|00002f60| 72 2d 2d 29 20 7b 0a 09 | 09 62 72 65 61 64 28 66 |r--) {..|.bread(f|
|00002f70| 69 2c 20 66 73 62 74 6f | 64 62 28 66 73 2c 20 69 |i, fsbto|db(fs, i|
|00002f80| 62 6c 6f 63 6b 29 2c 20 | 28 63 68 61 72 20 2a 29 |block), |(char *)|
|00002f90| 69 62 75 66 2c 20 73 69 | 7a 65 6f 66 28 69 62 75 |ibuf, si|zeof(ibu|
|00002fa0| 66 29 29 3b 0a 09 09 6e | 62 6c 6f 63 6b 73 20 2f |f));...n|blocks /|
|00002fb0| 3d 20 4e 49 4e 44 49 52 | 28 66 73 29 3b 0a 09 09 |= NINDIR|(fs);...|
|00002fc0| 69 62 6c 6f 63 6b 20 3d | 20 69 62 75 66 5b 28 62 |iblock =| ibuf[(b|
|00002fd0| 2f 6e 62 6c 6f 63 6b 73 | 29 20 25 20 4e 49 4e 44 |/nblocks|) % NIND|
|00002fe0| 49 52 28 66 73 29 5d 3b | 0a 09 7d 0a 20 20 20 20 |IR(fs)];|..}.    |
|00002ff0| 20 20 20 20 72 65 74 75 | 72 6e 20 69 62 6c 6f 63 |    retu|rn ibloc|
|00003000| 6b 3b 0a 7d 0a 0a 44 49 | 52 20 2a 6f 70 65 6e 5f |k;.}..DI|R *open_|
|00003010| 64 69 72 28 66 69 6c 65 | 2c 20 66 73 2c 20 69 70 |dir(file|, fs, ip|
|00003020| 29 0a 69 6e 74 20 66 69 | 6c 65 3b 0a 73 74 72 75 |).int fi|le;.stru|
|00003030| 63 74 20 66 73 20 2a 66 | 73 3b 0a 73 74 72 75 63 |ct fs *f|s;.struc|
|00003040| 74 20 64 69 6e 6f 64 65 | 20 2a 69 70 3b 0a 7b 0a |t dinode| *ip;.{.|
|00003050| 20 20 20 20 20 20 20 20 | 73 74 61 74 69 63 20 44 |        |static D|
|00003060| 49 52 20 64 69 72 3b 0a | 20 20 20 20 20 20 20 20 |IR dir;.|        |
|00003070| 0a 20 20 20 20 20 20 20 | 20 69 66 20 28 28 69 70 |.       | if ((ip|
|00003080| 2d 3e 64 69 5f 6d 6f 64 | 65 20 26 20 49 46 4d 54 |->di_mod|e & IFMT|
|00003090| 29 20 21 3d 20 49 46 44 | 49 52 29 20 7b 0a 20 20 |) != IFD|IR) {.  |
|000030a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 66 70 |        |      fp|
|000030b0| 72 69 6e 74 66 28 73 74 | 64 65 72 72 2c 20 22 6f |rintf(st|derr, "o|
|000030c0| 70 65 6e 5f 64 69 72 3a | 20 20 6e 6f 74 20 61 20 |pen_dir:|  not a |
|000030d0| 64 69 72 65 63 74 6f 72 | 79 5c 6e 22 29 3b 0a 20 |director|y\n");. |
|000030e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 72 |        |       r|
|000030f0| 65 74 75 72 6e 20 4e 55 | 4c 4c 3b 0a 20 20 20 20 |eturn NU|LL;.    |
|00003100| 20 20 20 20 7d 0a 20 20 | 20 20 20 20 20 20 64 69 |    }.  |      di|
|00003110| 72 2e 64 64 5f 6c 6f 63 | 20 3d 20 30 3b 0a 20 20 |r.dd_loc| = 0;.  |
|00003120| 20 20 20 20 20 20 64 69 | 72 2e 64 64 5f 73 69 7a |      di|r.dd_siz|
|00003130| 65 20 3d 20 69 70 2d 3e | 64 69 5f 73 69 7a 65 3b |e = ip->|di_size;|
|00003140| 0a 23 69 66 20 21 64 65 | 66 69 6e 65 64 28 62 73 |.#if !de|fined(bs|
|00003150| 64 29 0a 09 69 66 20 28 | 64 69 72 2e 64 64 5f 62 |d)..if (|dir.dd_b|
|00003160| 75 66 29 0a 09 09 66 72 | 65 65 28 64 69 72 2e 64 |uf)...fr|ee(dir.d|
|00003170| 64 5f 62 75 66 29 3b 0a | 20 20 20 20 20 20 20 20 |d_buf);.|        |
|00003180| 64 69 72 2e 64 64 5f 62 | 75 66 20 3d 20 28 63 68 |dir.dd_b|uf = (ch|
|00003190| 61 72 20 2a 29 65 6d 61 | 6c 6c 6f 63 28 28 75 6e |ar *)ema|lloc((un|
|000031a0| 73 69 67 6e 65 64 29 66 | 73 2d 3e 66 73 5f 62 73 |signed)f|s->fs_bs|
|000031b0| 69 7a 65 29 3b 0a 23 65 | 6e 64 69 66 0a 20 20 20 |ize);.#e|ndif.   |
|000031c0| 20 20 20 20 20 64 69 72 | 2e 64 64 5f 66 64 20 3d |     dir|.dd_fd =|
|000031d0| 20 66 69 6c 65 3b 0a 20 | 20 20 20 20 20 20 20 72 | file;. |       r|
|000031e0| 65 74 75 72 6e 20 26 64 | 69 72 3b 0a 7d 0a 0a 63 |eturn &d|ir;.}..c|
|000031f0| 6c 6f 73 65 5f 64 69 72 | 28 64 69 72 70 29 0a 44 |lose_dir|(dirp).D|
|00003200| 49 52 20 2a 64 69 72 70 | 3b 0a 7b 0a 23 69 66 20 |IR *dirp|;.{.#if |
|00003210| 21 64 65 66 69 6e 65 64 | 28 62 73 64 29 0a 20 20 |!defined|(bsd).  |
|00003220| 20 20 20 20 20 20 69 66 | 20 28 64 69 72 70 2d 3e |      if| (dirp->|
|00003230| 64 64 5f 62 75 66 29 20 | 7b 0a 20 20 20 20 20 20 |dd_buf) |{.      |
|00003240| 20 20 20 20 20 20 20 20 | 20 20 66 72 65 65 28 64 |        |  free(d|
|00003250| 69 72 70 2d 3e 64 64 5f | 62 75 66 29 3b 0a 20 20 |irp->dd_|buf);.  |
|00003260| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 64 69 |        |      di|
|00003270| 72 70 2d 3e 64 64 5f 62 | 75 66 20 3d 20 4e 55 4c |rp->dd_b|uf = NUL|
|00003280| 4c 3b 0a 20 20 20 20 20 | 20 20 20 7d 0a 23 65 6e |L;.     |   }.#en|
|00003290| 64 69 66 0a 7d 0a 0a 0a | 0a 73 74 72 75 63 74 20 |dif.}...|.struct |
|000032a0| 64 69 72 65 63 74 20 2a | 72 65 61 64 5f 64 69 72 |direct *|read_dir|
|000032b0| 28 66 73 2c 69 70 2c 20 | 64 69 72 29 0a 73 74 72 |(fs,ip, |dir).str|
|000032c0| 75 63 74 20 66 73 20 2a | 66 73 3b 0a 73 74 72 75 |uct fs *|fs;.stru|
|000032d0| 63 74 20 64 69 6e 6f 64 | 65 20 2a 69 70 3b 0a 44 |ct dinod|e *ip;.D|
|000032e0| 49 52 20 2a 64 69 72 3b | 0a 7b 0a 20 20 20 20 20 |IR *dir;|.{.     |
|000032f0| 20 20 20 64 61 64 64 72 | 5f 74 20 62 6e 3b 0a 20 |   daddr|_t bn;. |
|00003300| 20 20 20 20 20 20 20 73 | 74 61 74 69 63 20 73 74 |       s|tatic st|
|00003310| 72 75 63 74 20 64 69 72 | 65 63 74 20 2a 64 70 3b |ruct dir|ect *dp;|
|00003320| 0a 20 20 20 20 20 20 20 | 20 0a 20 20 20 20 20 20 |.       | .      |
|00003330| 20 20 69 66 20 28 64 69 | 72 2d 3e 64 64 5f 6c 6f |  if (di|r->dd_lo|
|00003340| 63 20 3e 3d 20 64 69 72 | 2d 3e 64 64 5f 73 69 7a |c >= dir|->dd_siz|
|00003350| 65 29 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |e).     |        |
|00003360| 20 20 20 72 65 74 75 72 | 6e 20 4e 55 4c 4c 3b 0a |   retur|n NULL;.|
|00003370| 20 20 20 20 20 20 20 20 | 69 66 20 28 62 6c 6b 6f |        |if (blko|
|00003380| 66 66 28 66 73 2c 20 64 | 69 72 2d 3e 64 64 5f 6c |ff(fs, d|ir->dd_l|
|00003390| 6f 63 29 20 3d 3d 20 30 | 29 20 7b 20 20 20 20 20 |oc) == 0|) {     |
|000033a0| 2f 2a 20 6e 65 65 64 20 | 74 6f 20 72 65 61 64 20 |/* need |to read |
|000033b0| 61 20 62 6c 6f 63 6b 20 | 2a 2f 0a 20 20 20 20 20 |a block |*/.     |
|000033c0| 20 20 20 20 20 20 20 20 | 20 20 20 62 6e 20 3d 20 |        |   bn = |
|000033d0| 6c 62 6c 6b 6e 6f 28 66 | 73 2c 20 64 69 72 2d 3e |lblkno(f|s, dir->|
|000033e0| 64 64 5f 6c 6f 63 29 3b | 0a 20 20 20 20 20 20 20 |dd_loc);|.       |
|000033f0| 20 20 20 20 20 20 20 20 | 20 62 6e 20 3d 20 62 6d |        | bn = bm|
|00003400| 61 70 28 62 6e 2c 20 69 | 70 2c 20 64 69 72 2d 3e |ap(bn, i|p, dir->|
|00003410| 64 64 5f 66 64 2c 20 66 | 73 29 3b 0a 20 20 20 20 |dd_fd, f|s);.    |
|00003420| 20 20 20 20 20 20 20 20 | 20 20 20 20 69 66 20 28 |        |    if (|
|00003430| 62 6e 20 3d 3d 20 30 29 | 0a 20 20 20 20 20 20 20 |bn == 0)|.       |
|00003440| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00003450| 20 72 65 74 75 72 6e 20 | 4e 55 4c 4c 3b 0a 20 20 | return |NULL;.  |
|00003460| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 62 6e |        |      bn|
|00003470| 20 3d 20 66 73 62 74 6f | 64 62 28 66 73 2c 20 62 | = fsbto|db(fs, b|
|00003480| 6e 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |n);.    |        |
|00003490| 20 20 20 20 62 72 65 61 | 64 28 64 69 72 2d 3e 64 |    brea|d(dir->d|
|000034a0| 64 5f 66 64 2c 20 62 6e | 2c 20 64 69 72 2d 3e 64 |d_fd, bn|, dir->d|
|000034b0| 64 5f 62 75 66 2c 20 66 | 73 2d 3e 66 73 5f 62 73 |d_buf, f|s->fs_bs|
|000034c0| 69 7a 65 29 3b 0a 20 20 | 20 20 20 20 20 20 7d 0a |ize);.  |      }.|
|000034d0| 20 20 20 20 20 20 20 20 | 64 70 20 3d 20 28 73 74 |        |dp = (st|
|000034e0| 72 75 63 74 20 64 69 72 | 65 63 74 20 2a 29 26 64 |ruct dir|ect *)&d|
|000034f0| 69 72 2d 3e 64 64 5f 62 | 75 66 5b 64 69 72 2d 3e |ir->dd_b|uf[dir->|
|00003500| 64 64 5f 6c 6f 63 5d 3b | 0a 20 20 20 20 20 20 20 |dd_loc];|.       |
|00003510| 20 64 69 72 2d 3e 64 64 | 5f 6c 6f 63 20 2b 3d 20 | dir->dd|_loc += |
|00003520| 64 70 2d 3e 64 5f 72 65 | 63 6c 65 6e 3b 0a 20 20 |dp->d_re|clen;.  |
|00003530| 20 20 20 20 20 20 72 65 | 74 75 72 6e 20 64 70 3b |      re|turn dp;|
|00003540| 0a 7d 0a 0a 2f 2a 0a 20 | 2a 20 65 72 72 6f 72 20 |.}../*. |* error |
|00003550| 70 72 69 6e 74 69 6e 67 | 20 0a 20 2a 20 6d 6f 64 |printing| . * mod|
|00003560| 65 6c 6c 65 64 20 61 66 | 74 65 72 20 72 6f 75 74 |elled af|ter rout|
|00003570| 69 6e 65 73 20 77 72 69 | 74 74 65 6e 20 62 79 20 |ines wri|tten by |
|00003580| 44 61 6e 20 46 72 61 6e | 6b 6c 69 6e 40 62 62 6e |Dan Fran|klin@bbn|
|00003590| 0a 20 2a 20 69 66 20 65 | 20 69 73 20 2d 31 20 70 |. * if e| is -1 p|
|000035a0| 72 69 6e 74 20 73 79 73 | 74 65 6d 20 65 72 72 6f |rint sys|tem erro|
|000035b0| 72 20 6d 65 73 73 61 67 | 65 20 66 72 6f 6d 20 65 |r messag|e from e|
|000035c0| 72 72 6e 6f 0a 20 2a 20 | 69 66 20 65 20 69 73 20 |rrno. * |if e is |
|000035d0| 30 20 64 6f 6e 27 74 20 | 70 72 69 6e 74 20 65 72 |0 don't |print er|
|000035e0| 72 6f 72 20 6d 65 73 73 | 61 67 65 0a 20 2a 20 65 |ror mess|age. * e|
|000035f0| 6c 73 65 20 75 73 65 20 | 65 20 61 73 20 65 72 72 |lse use |e as err|
|00003600| 6e 6f 0a 20 2a 20 0a 20 | 2a 20 6e 6f 74 65 3a 20 |no. * . |* note: |
|00003610| 75 73 69 6e 67 20 5f 64 | 6f 70 72 6e 74 20 69 73 |using _d|oprnt is|
|00003620| 20 6c 65 73 73 20 74 68 | 61 6e 20 70 6f 72 74 61 | less th|an porta|
|00003630| 62 6c 65 0a 20 2a 2f 0a | 63 6d 64 65 72 72 28 65 |ble. */.|cmderr(e|
|00003640| 2c 20 66 6f 72 6d 61 74 | 2c 20 61 72 67 73 29 0a |, format|, args).|
|00003650| 69 6e 74 20 65 3b 0a 63 | 68 61 72 20 2a 66 6f 72 |int e;.c|har *for|
|00003660| 6d 61 74 3b 0a 63 68 61 | 72 20 2a 61 72 67 73 3b |mat;.cha|r *args;|
|00003670| 0a 7b 0a 20 20 20 20 20 | 20 20 20 72 65 67 69 73 |.{.     |   regis|
|00003680| 74 65 72 20 69 6e 74 20 | 6e 6c 20 3d 20 30 3b 0a |ter int |nl = 0;.|
|00003690| 20 20 20 20 20 20 20 20 | 72 65 67 69 73 74 65 72 |        |register|
|000036a0| 20 69 6e 74 20 69 20 3d | 20 73 74 72 6c 65 6e 28 | int i =| strlen(|
|000036b0| 66 6f 72 6d 61 74 29 20 | 2d 20 31 3b 0a 20 20 20 |format) |- 1;.   |
|000036c0| 20 20 20 20 20 63 68 61 | 72 20 66 6d 74 5b 42 55 |     cha|r fmt[BU|
|000036d0| 46 53 49 5a 5d 3b 0a 20 | 20 20 20 20 20 20 20 65 |FSIZ];. |       e|
|000036e0| 78 74 65 72 6e 20 69 6e | 74 20 73 79 73 5f 6e 65 |xtern in|t sys_ne|
|000036f0| 72 72 3b 0a 20 20 20 20 | 20 20 20 20 65 78 74 65 |rr;.    |    exte|
|00003700| 72 6e 20 63 68 61 72 20 | 2a 73 79 73 5f 65 72 72 |rn char |*sys_err|
|00003710| 6c 69 73 74 5b 5d 3b 0a | 20 20 20 20 20 20 20 20 |list[];.|        |
|00003720| 65 78 74 65 72 6e 20 69 | 6e 74 20 65 72 72 6e 6f |extern i|nt errno|
|00003730| 3b 0a 20 20 20 20 20 20 | 20 20 0a 20 20 20 20 20 |;.      |  .     |
|00003740| 20 20 20 73 74 72 63 70 | 79 28 66 6d 74 2c 20 66 |   strcp|y(fmt, f|
|00003750| 6f 72 6d 61 74 29 3b 0a | 20 20 20 20 20 20 20 20 |ormat);.|        |
|00003760| 69 66 20 28 20 65 20 3d | 3d 20 2d 31 29 0a 20 20 |if ( e =|= -1).  |
|00003770| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 65 20 |        |      e |
|00003780| 3d 20 65 72 72 6e 6f 3b | 0a 20 20 20 20 20 20 20 |= errno;|.       |
|00003790| 20 69 66 20 28 66 6d 74 | 5b 69 5d 20 3d 3d 20 27 | if (fmt|[i] == '|
|000037a0| 5c 6e 27 29 20 7b 0a 20 | 20 20 20 20 20 20 20 20 |\n') {. |        |
|000037b0| 20 20 20 20 20 20 20 66 | 6d 74 5b 69 5d 20 3d 20 |       f|mt[i] = |
|000037c0| 4e 55 4c 4c 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |NULL;.  |        |
|000037d0| 20 20 20 20 20 20 6e 6c | 20 3d 20 31 3b 0a 20 20 |      nl| = 1;.  |
|000037e0| 20 20 20 20 20 20 7d 0a | 20 20 20 20 20 20 20 20 |      }.|        |
|000037f0| 5f 64 6f 70 72 6e 74 28 | 66 6d 74 2c 20 26 61 72 |_doprnt(|fmt, &ar|
|00003800| 67 73 2c 20 73 74 64 65 | 72 72 29 3b 0a 20 20 20 |gs, stde|rr);.   |
|00003810| 20 20 20 20 20 69 66 20 | 28 65 20 3e 20 73 79 73 |     if |(e > sys|
|00003820| 5f 6e 65 72 72 29 0a 20 | 20 20 20 20 20 20 20 20 |_nerr). |        |
|00003830| 20 20 20 20 20 20 20 66 | 70 72 69 6e 74 66 28 73 |       f|printf(s|
|00003840| 74 64 65 72 72 2c 22 20 | 45 72 72 6f 72 20 25 64 |tderr," |Error %d|
|00003850| 22 2c 20 65 29 3b 0a 20 | 20 20 20 20 20 20 20 65 |", e);. |       e|
|00003860| 6c 73 65 20 69 66 20 28 | 65 29 0a 20 20 20 20 20 |lse if (|e).     |
|00003870| 20 20 20 20 20 20 20 20 | 20 20 20 66 70 72 69 6e |        |   fprin|
|00003880| 74 66 28 73 74 64 65 72 | 72 2c 20 22 20 25 73 22 |tf(stder|r, " %s"|
|00003890| 2c 20 73 79 73 5f 65 72 | 72 6c 69 73 74 5b 65 5d |, sys_er|rlist[e]|
|000038a0| 29 3b 0a 20 20 20 20 20 | 20 20 20 69 66 28 6e 6c |);.     |   if(nl|
|000038b0| 29 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |).      |        |
|000038c0| 20 20 66 70 72 69 6e 74 | 66 28 73 74 64 65 72 72 |  fprint|f(stderr|
|000038d0| 2c 22 5c 6e 22 29 3b 0a | 7d 0a 0a 0a 2f 2a 0a 20 |,"\n");.|}.../*. |
|000038e0| 2a 20 70 72 69 6e 74 20 | 65 72 72 6f 72 20 6d 65 |* print |error me|
|000038f0| 73 73 61 67 65 20 61 6e | 64 20 65 78 69 74 0a 20 |ssage an|d exit. |
|00003900| 2a 2f 0a 65 63 6d 64 65 | 72 72 28 65 2c 20 66 6d |*/.ecmde|rr(e, fm|
|00003910| 74 2c 20 61 72 67 73 29 | 0a 69 6e 74 20 65 3b 0a |t, args)|.int e;.|
|00003920| 63 68 61 72 20 2a 66 6d | 74 3b 0a 75 6e 73 69 67 |char *fm|t;.unsig|
|00003930| 6e 65 64 20 61 72 67 73 | 3b 0a 7b 0a 20 20 20 20 |ned args|;.{.    |
|00003940| 20 20 20 20 63 6d 64 65 | 72 72 28 65 2c 66 6d 74 |    cmde|rr(e,fmt|
|00003950| 2c 61 72 67 73 29 3b 0a | 20 20 20 20 20 20 20 20 |,args);.|        |
|00003960| 65 78 69 74 28 65 29 3b | 0a 7d 0a 0a 2f 2a 0a 20 |exit(e);|.}../*. |
|00003970| 2a 20 72 65 61 64 20 66 | 72 6f 6d 20 74 68 65 20 |* read f|rom the |
|00003980| 73 70 65 63 69 66 69 65 | 64 20 61 64 64 72 65 73 |specifie|d addres|
|00003990| 73 20 0a 20 2a 2f 0a 76 | 6f 69 64 20 6d 72 65 61 |s . */.v|oid mrea|
|000039a0| 64 28 66 64 2c 20 61 64 | 64 72 2c 20 62 75 66 2c |d(fd, ad|dr, buf,|
|000039b0| 20 63 6e 74 29 0a 69 6e | 74 20 66 64 3b 0a 64 61 | cnt).in|t fd;.da|
|000039c0| 64 64 72 5f 74 20 61 64 | 64 72 3b 0a 63 68 61 72 |ddr_t ad|dr;.char|
|000039d0| 20 2a 62 75 66 3b 0a 69 | 6e 74 20 63 6e 74 3b 0a | *buf;.i|nt cnt;.|
|000039e0| 7b 0a 20 20 20 20 20 20 | 20 20 69 6e 74 20 6e 72 |{.      |  int nr|
|000039f0| 65 61 64 3b 0a 20 20 20 | 20 20 20 20 20 65 78 74 |ead;.   |     ext|
|00003a00| 65 72 6e 20 64 61 64 64 | 72 5f 74 20 6c 73 65 65 |ern dadd|r_t lsee|
|00003a10| 6b 28 29 3b 0a 20 20 20 | 20 20 20 20 20 69 66 20 |k();.   |     if |
|00003a20| 28 6c 73 65 65 6b 28 66 | 64 2c 20 61 64 64 72 2c |(lseek(f|d, addr,|
|00003a30| 20 4c 5f 53 45 54 29 20 | 21 3d 20 61 64 64 72 29 | L_SET) |!= addr)|
|00003a40| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00003a50| 20 65 63 6d 64 65 72 72 | 28 2d 31 2c 20 22 53 65 | ecmderr|(-1, "Se|
|00003a60| 65 6b 20 66 61 69 6c 65 | 64 5c 6e 22 29 3b 0a 20 |ek faile|d\n");. |
|00003a70| 20 20 20 20 20 20 20 69 | 66 20 28 28 6e 72 65 61 |       i|f ((nrea|
|00003a80| 64 20 3d 20 72 65 61 64 | 28 66 64 2c 20 62 75 66 |d = read|(fd, buf|
|00003a90| 2c 20 63 6e 74 29 29 20 | 3d 3d 20 30 29 0a 20 20 |, cnt)) |== 0).  |
|00003aa0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 65 63 |        |      ec|
|00003ab0| 6d 64 65 72 72 28 2d 31 | 2c 20 22 52 65 61 64 20 |mderr(-1|, "Read |
|00003ac0| 66 61 69 6c 65 64 20 28 | 77 61 6e 74 65 64 3a 25 |failed (|wanted:%|
|00003ad0| 64 29 5c 6e 22 2c 20 63 | 6e 74 29 3b 0a 20 20 20 |d)\n", c|nt);.   |
|00003ae0| 20 20 20 20 20 69 66 20 | 28 6e 72 65 61 64 20 3e |     if |(nread >|
|00003af0| 20 63 6e 74 29 20 63 6d | 64 65 72 72 28 2d 31 2c | cnt) cm|derr(-1,|
|00003b00| 22 72 65 61 64 20 66 6f | 72 20 25 64 20 72 65 74 |"read fo|r %d ret|
|00003b10| 75 72 6e 65 64 20 25 64 | 5c 6e 22 2c 20 63 6e 74 |urned %d|\n", cnt|
|00003b20| 2c 20 6e 72 65 61 64 29 | 3b 0a 7d 0a 0a 2f 2a 20 |, nread)|;.}../* |
|00003b30| 0a 20 2a 20 22 73 61 66 | 65 22 20 6f 70 65 6e 0a |. * "saf|e" open.|
|00003b40| 20 2a 2f 0a 65 6f 70 65 | 6e 28 6e 61 6d 65 2c 20 | */.eope|n(name, |
|00003b50| 6d 6f 64 65 29 0a 63 68 | 61 72 20 2a 6e 61 6d 65 |mode).ch|ar *name|
|00003b60| 3b 0a 75 6e 73 69 67 6e | 65 64 20 6d 6f 64 65 3b |;.unsign|ed mode;|
|00003b70| 0a 7b 0a 20 20 20 20 20 | 20 20 20 69 6e 74 20 66 |.{.     |   int f|
|00003b80| 64 3b 0a 20 20 20 20 20 | 20 20 20 66 64 20 3d 20 |d;.     |   fd = |
|00003b90| 6f 70 65 6e 28 6e 61 6d | 65 2c 20 6d 6f 64 65 29 |open(nam|e, mode)|
|00003ba0| 3b 0a 20 20 20 20 20 20 | 20 20 69 66 20 28 66 64 |;.      |  if (fd|
|00003bb0| 20 3c 20 30 29 0a 20 20 | 20 20 20 20 20 20 20 20 | < 0).  |        |
|00003bc0| 20 20 20 20 20 20 65 63 | 6d 64 65 72 72 28 2d 31 |      ec|mderr(-1|
|00003bd0| 2c 20 22 63 77 64 3a 20 | 43 61 6e 27 74 20 6f 70 |, "cwd: |Can't op|
|00003be0| 65 6e 20 25 73 5c 6e 22 | 2c 20 6e 61 6d 65 29 3b |en %s\n"|, name);|
|00003bf0| 0a 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 20 |.       | return |
|00003c00| 66 64 3b 0a 7d 0a 0a 2f | 2a 0a 20 2a 20 22 73 61 |fd;.}../|*. * "sa|
|00003c10| 66 65 22 20 6d 61 6c 6c | 6f 63 20 0a 20 2a 2f 0a |fe" mall|oc . */.|
|00003c20| 63 68 61 72 20 2a 65 6d | 61 6c 6c 6f 63 28 6e 29 |char *em|alloc(n)|
|00003c30| 0a 75 6e 73 69 67 6e 65 | 64 20 6e 3b 0a 7b 0a 20 |.unsigne|d n;.{. |
|00003c40| 20 20 20 20 20 20 20 63 | 68 61 72 20 2a 70 3b 0a |       c|har *p;.|
|00003c50| 20 20 20 20 20 20 20 20 | 65 78 74 65 72 6e 20 63 |        |extern c|
|00003c60| 68 61 72 20 2a 6d 61 6c | 6c 6f 63 28 29 3b 0a 20 |har *mal|loc();. |
|00003c70| 20 20 20 20 20 20 20 70 | 20 3d 20 6d 61 6c 6c 6f |       p| = mallo|
|00003c80| 63 28 6e 29 3b 0a 20 20 | 20 20 20 20 20 20 69 66 |c(n);.  |      if|
|00003c90| 20 28 70 20 3d 3d 20 4e | 55 4c 4c 29 0a 20 20 20 | (p == N|ULL).   |
|00003ca0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 65 63 6d |        |     ecm|
|00003cb0| 64 65 72 72 28 2d 31 2c | 20 22 4d 61 6c 6c 6f 63 |derr(-1,| "Malloc|
|00003cc0| 20 66 61 69 6c 65 64 5c | 6e 22 29 3b 0a 20 20 20 | failed\|n");.   |
|00003cd0| 20 20 20 20 20 72 65 74 | 75 72 6e 20 70 3b 0a 7d |     ret|urn p;.}|
|00003ce0| 0a 0a 0a 2f 2a 0a 20 2a | 20 72 65 61 64 20 6b 65 |.../*. *| read ke|
|00003cf0| 72 6e 65 6c 20 6d 6f 75 | 6e 74 20 74 61 62 6c 65 |rnel mou|nt table|
|00003d00| 20 61 6e 64 20 73 61 76 | 65 20 74 68 65 20 73 74 | and sav|e the st|
|00003d10| 75 66 66 20 77 65 20 63 | 61 72 65 20 61 62 6f 75 |uff we c|are abou|
|00003d20| 74 0a 20 2a 2f 0a 73 74 | 72 75 63 74 20 6d 6f 75 |t. */.st|ruct mou|
|00003d30| 6e 74 5f 73 74 75 66 66 | 20 2a 67 65 74 6d 6f 75 |nt_stuff| *getmou|
|00003d40| 6e 74 73 74 75 66 66 28 | 6e 6c 73 74 29 0a 73 74 |ntstuff(|nlst).st|
|00003d50| 72 75 63 74 20 6e 6c 69 | 73 74 20 6e 6c 73 74 5b |ruct nli|st nlst[|
|00003d60| 5d 3b 0a 7b 0a 20 20 20 | 20 20 20 20 20 69 6e 74 |];.{.   |     int|
|00003d70| 20 20 6e 6d 6f 75 6e 74 | 2c 20 69 3b 0a 20 20 20 |  nmount|, i;.   |
|00003d80| 20 20 20 20 20 73 74 72 | 75 63 74 20 6d 6f 75 6e |     str|uct moun|
|00003d90| 74 20 2a 6d 6f 75 6e 74 | 74 61 62 6c 65 3b 0a 20 |t *mount|table;. |
|00003da0| 20 20 20 20 20 20 20 73 | 74 72 75 63 74 20 6d 6f |       s|truct mo|
|00003db0| 75 6e 74 5f 73 74 75 66 | 66 20 2a 6d 6f 75 6e 74 |unt_stuf|f *mount|
|00003dc0| 5f 73 74 75 66 66 3b 0a | 20 20 20 20 20 20 20 20 |_stuff;.|        |
|00003dd0| 73 74 72 75 63 74 20 66 | 73 74 61 62 20 2a 66 73 |struct f|stab *fs|
|00003de0| 74 61 62 2c 20 2a 67 65 | 74 66 73 65 6e 74 28 29 |tab, *ge|tfsent()|
|00003df0| 3b 0a 20 20 20 20 20 20 | 20 20 69 6e 74 20 6d 3b |;.      |  int m;|
|00003e00| 0a 20 20 20 20 20 20 20 | 20 0a 23 69 66 20 64 65 |.       | .#if de|
|00003e10| 66 69 6e 65 64 28 75 6c | 74 72 69 78 29 0a 20 20 |fined(ul|trix).  |
|00003e20| 20 20 20 20 20 20 6d 72 | 65 61 64 28 6b 6d 65 6d |      mr|ead(kmem|
|00003e30| 2c 20 28 64 61 64 64 72 | 5f 74 29 6e 6c 73 74 5b |, (daddr|_t)nlst[|
|00003e40| 58 5f 4e 4d 4f 55 4e 54 | 5d 2e 6e 5f 76 61 6c 75 |X_NMOUNT|].n_valu|
|00003e50| 65 2c 20 26 6e 6d 6f 75 | 6e 74 2c 20 73 69 7a 65 |e, &nmou|nt, size|
|00003e60| 6f 66 28 6e 6d 6f 75 6e | 74 29 29 3b 0a 23 65 6c |of(nmoun|t));.#el|
|00003e70| 73 65 0a 20 20 20 20 20 | 20 20 20 6e 6d 6f 75 6e |se.     |   nmoun|
|00003e80| 74 20 3d 20 4e 4d 4f 55 | 4e 54 3b 0a 23 65 6e 64 |t = NMOU|NT;.#end|
|00003e90| 69 66 0a 20 20 20 20 20 | 20 20 20 0a 20 20 20 20 |if.     |   .    |
|00003ea0| 20 20 20 20 6d 6f 75 6e | 74 74 61 62 6c 65 20 3d |    moun|ttable =|
|00003eb0| 20 28 73 74 72 75 63 74 | 20 6d 6f 75 6e 74 20 2a | (struct| mount *|
|00003ec0| 29 65 6d 61 6c 6c 6f 63 | 28 0a 09 09 28 75 6e 73 |)emalloc|(...(uns|
|00003ed0| 69 67 6e 65 64 29 6e 6d | 6f 75 6e 74 20 2a 20 73 |igned)nm|ount * s|
|00003ee0| 69 7a 65 6f 66 28 73 74 | 72 75 63 74 20 6d 6f 75 |izeof(st|ruct mou|
|00003ef0| 6e 74 29 29 3b 0a 20 20 | 20 20 20 20 20 20 6d 72 |nt));.  |      mr|
|00003f00| 65 61 64 28 6b 6d 65 6d | 2c 20 28 64 61 64 64 72 |ead(kmem|, (daddr|
|00003f10| 5f 74 29 6e 6c 73 74 5b | 58 5f 4d 4f 55 4e 54 5d |_t)nlst[|X_MOUNT]|
|00003f20| 2e 6e 5f 76 61 6c 75 65 | 2c 20 28 63 68 61 72 20 |.n_value|, (char |
|00003f30| 2a 29 6d 6f 75 6e 74 74 | 61 62 6c 65 2c 20 0a 20 |*)mountt|able, . |
|00003f40| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 6e 6d 6f |        |     nmo|
|00003f50| 75 6e 74 20 2a 20 73 69 | 7a 65 6f 66 28 73 74 72 |unt * si|zeof(str|
|00003f60| 75 63 74 20 6d 6f 75 6e | 74 29 29 3b 0a 20 20 20 |uct moun|t));.   |
|00003f70| 20 20 20 20 20 6d 6f 75 | 6e 74 5f 73 74 75 66 66 |     mou|nt_stuff|
|00003f80| 20 3d 20 28 73 74 72 75 | 63 74 20 6d 6f 75 6e 74 | = (stru|ct mount|
|00003f90| 5f 73 74 75 66 66 20 2a | 29 0a 20 20 20 20 20 20 |_stuff *|).      |
|00003fa0| 20 20 20 20 20 20 20 20 | 20 20 65 6d 61 6c 6c 6f |        |  emallo|
|00003fb0| 63 28 28 6e 6d 6f 75 6e | 74 20 2b 20 31 29 2a 20 |c((nmoun|t + 1)* |
|00003fc0| 73 69 7a 65 6f 66 28 73 | 74 72 75 63 74 20 6d 6f |sizeof(s|truct mo|
|00003fd0| 75 6e 74 5f 73 74 75 66 | 66 29 29 3b 0a 20 20 20 |unt_stuf|f));.   |
|00003fe0| 20 20 20 20 20 0a 20 20 | 20 20 20 20 20 20 66 6f |     .  |      fo|
|00003ff0| 72 20 28 6d 20 3d 20 30 | 3b 20 66 73 74 61 62 20 |r (m = 0|; fstab |
|00004000| 3d 20 67 65 74 66 73 65 | 6e 74 28 29 3b 29 20 7b |= getfse|nt();) {|
|00004010| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00004020| 20 73 74 72 75 63 74 20 | 73 74 61 74 20 73 3b 0a | struct |stat s;.|
|00004030| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004040| 73 74 72 75 63 74 20 62 | 75 66 20 62 75 66 3b 0a |struct b|uf buf;.|
|00004050| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004060| 63 68 61 72 20 2a 73 6c | 61 73 68 3b 0a 20 20 20 |char *sl|ash;.   |
|00004070| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 65 78 74 |        |     ext|
|00004080| 65 72 6e 20 63 68 61 72 | 20 2a 72 69 6e 64 65 78 |ern char| *rindex|
|00004090| 28 29 2c 20 2a 69 6e 64 | 65 78 28 29 3b 0a 20 20 |(), *ind|ex();.  |
|000040a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 0a 20 |        |      . |
|000040b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 69 |        |       i|
|000040c0| 66 20 28 2a 66 73 74 61 | 62 2d 3e 66 73 5f 66 69 |f (*fsta|b->fs_fi|
|000040d0| 6c 65 20 3d 3d 20 4e 55 | 4c 4c 29 0a 20 20 20 20 |le == NU|LL).    |
|000040e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000040f0| 20 20 20 20 63 6f 6e 74 | 69 6e 75 65 3b 0a 20 20 |    cont|inue;.  |
|00004100| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 69 66 |        |      if|
|00004110| 20 28 69 6e 64 65 78 28 | 66 73 74 61 62 2d 3e 66 | (index(|fstab->f|
|00004120| 73 5f 73 70 65 63 2c 27 | 40 27 29 29 20 7b 0a 20 |s_spec,'|@')) {. |
|00004130| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004140| 20 20 20 20 20 20 20 66 | 70 72 69 6e 74 66 28 73 |       f|printf(s|
|00004150| 74 64 65 72 72 2c 22 25 | 73 3a 20 43 61 6e 27 74 |tderr,"%|s: Can't|
|00004160| 20 68 61 6e 64 6c 65 20 | 4e 46 53 20 79 65 74 5c | handle |NFS yet\|
|00004170| 6e 22 2c 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |n",.    |        |
|00004180| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004190| 20 20 20 20 66 73 74 61 | 62 2d 3e 66 73 5f 73 70 |    fsta|b->fs_sp|
|000041a0| 65 63 29 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |ec);.   |        |
|000041b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 63 6f 6e |        |     con|
|000041c0| 74 69 6e 75 65 3b 0a 20 | 20 20 20 20 20 20 20 20 |tinue;. |        |
|000041d0| 20 20 20 20 20 20 20 7d | 0a 20 20 20 20 20 20 20 |       }|.       |
|000041e0| 20 20 20 20 20 20 20 20 | 20 69 66 20 28 73 74 61 |        | if (sta|
|000041f0| 74 28 66 73 74 61 62 2d | 3e 66 73 5f 73 70 65 63 |t(fstab-|>fs_spec|
|00004200| 2c 20 26 73 29 20 21 3d | 20 30 29 0a 20 20 20 20 |, &s) !=| 0).    |
|00004210| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004220| 20 20 20 20 65 63 6d 64 | 65 72 72 28 2d 31 2c 20 |    ecmd|err(-1, |
|00004230| 22 63 77 64 3a 20 43 61 | 6e 27 74 20 73 74 61 74 |"cwd: Ca|n't stat|
|00004240| 20 25 73 5c 6e 22 2c 20 | 66 73 74 61 62 2d 3e 66 | %s\n", |fstab->f|
|00004250| 73 5f 73 70 65 63 29 3b | 0a 20 20 20 20 20 20 20 |s_spec);|.       |
|00004260| 20 20 20 20 20 20 20 20 | 20 73 74 72 63 70 79 28 |        | strcpy(|
|00004270| 6d 6f 75 6e 74 5f 73 74 | 75 66 66 5b 6d 5d 2e 64 |mount_st|uff[m].d|
|00004280| 65 76 6e 61 6d 65 2c 20 | 66 73 74 61 62 2d 3e 66 |evname, |fstab->f|
|00004290| 73 5f 73 70 65 63 29 3b | 0a 20 20 20 20 20 20 20 |s_spec);|.       |
|000042a0| 20 20 20 20 20 20 20 20 | 20 73 6c 61 73 68 20 3d |        | slash =|
|000042b0| 20 72 69 6e 64 65 78 28 | 6d 6f 75 6e 74 5f 73 74 | rindex(|mount_st|
|000042c0| 75 66 66 5b 6d 5d 2e 64 | 65 76 6e 61 6d 65 2c 20 |uff[m].d|evname, |
|000042d0| 27 2f 27 29 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |'/');.  |        |
|000042e0| 20 20 20 20 20 20 69 66 | 20 28 73 6c 61 73 68 29 |      if| (slash)|
|000042f0| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.     |        |
|00004300| 20 20 20 20 20 20 20 20 | 20 20 20 73 6c 61 73 68 |        |   slash|
|00004310| 2b 2b 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |++;.    |        |
|00004320| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 63 6f 70 |        |    bcop|
|00004330| 79 28 73 6c 61 73 68 2c | 20 73 6c 61 73 68 2b 31 |y(slash,| slash+1|
|00004340| 2c 20 73 74 72 6c 65 6e | 28 73 6c 61 73 68 29 2b |, strlen|(slash)+|
|00004350| 31 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |1);.    |        |
|00004360| 20 20 20 20 20 20 20 20 | 20 20 20 20 2a 73 6c 61 |        |    *sla|
|00004370| 73 68 20 3d 20 27 72 27 | 3b 0a 20 20 20 20 20 20 |sh = 'r'|;.      |
|00004380| 20 20 20 20 20 20 20 20 | 20 20 7d 0a 20 20 20 20 |        |  }.    |
|00004390| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 74 72 63 |        |    strc|
|000043a0| 70 79 28 6d 6f 75 6e 74 | 5f 73 74 75 66 66 5b 6d |py(mount|_stuff[m|
|000043b0| 5d 2e 70 61 74 68 2c 20 | 66 73 74 61 62 2d 3e 66 |].path, |fstab->f|
|000043c0| 73 5f 66 69 6c 65 29 3b | 0a 20 20 20 20 20 20 20 |s_file);|.       |
|000043d0| 20 20 20 20 20 20 20 20 | 20 0a 20 20 20 20 20 20 |        | .      |
|000043e0| 20 20 20 20 20 20 20 20 | 20 20 6d 6f 75 6e 74 5f |        |  mount_|
|000043f0| 73 74 75 66 66 5b 6d 5d | 2e 66 64 20 3d 20 2d 31 |stuff[m]|.fd = -1|
|00004400| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |;.      |        |
|00004410| 20 20 6d 6f 75 6e 74 5f | 73 74 75 66 66 5b 6d 5d |  mount_|stuff[m]|
|00004420| 2e 66 73 20 3d 20 28 73 | 74 72 75 63 74 20 66 73 |.fs = (s|truct fs|
|00004430| 20 2a 29 65 6d 61 6c 6c | 6f 63 28 73 69 7a 65 6f | *)emall|oc(sizeo|
|00004440| 66 28 73 74 72 75 63 74 | 20 66 73 29 29 3b 0a 20 |f(struct| fs));. |
|00004450| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 66 |        |       f|
|00004460| 6f 72 20 28 69 20 3d 20 | 30 3b 20 69 20 3c 20 6e |or (i = |0; i < n|
|00004470| 6d 6f 75 6e 74 3b 20 69 | 2b 2b 29 20 7b 0a 20 20 |mount; i|++) {.  |
|00004480| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004490| 20 20 20 20 20 20 69 66 | 20 28 6d 6f 75 6e 74 74 |      if| (mountt|
|000044a0| 61 62 6c 65 5b 69 5d 2e | 6d 5f 64 65 76 20 21 3d |able[i].|m_dev !=|
|000044b0| 20 73 2e 73 74 5f 72 64 | 65 76 29 0a 20 20 20 20 | s.st_rd|ev).    |
|000044c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000044d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 63 6f 6e 74 |        |    cont|
|000044e0| 69 6e 75 65 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |inue;.  |        |
|000044f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 6d 6f |        |      mo|
|00004500| 75 6e 74 5f 73 74 75 66 | 66 5b 6d 5d 2e 64 65 76 |unt_stuf|f[m].dev|
|00004510| 20 3d 20 73 2e 73 74 5f | 72 64 65 76 3b 0a 20 20 | = s.st_|rdev;.  |
|00004520| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004530| 20 20 20 20 20 20 6d 72 | 65 61 64 28 6b 6d 65 6d |      mr|ead(kmem|
|00004540| 2c 20 28 64 61 64 64 72 | 5f 74 29 6d 6f 75 6e 74 |, (daddr|_t)mount|
|00004550| 74 61 62 6c 65 5b 69 5d | 2e 6d 5f 62 75 66 70 2c |table[i]|.m_bufp,|
|00004560| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00004570| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 28 |        |       (|
|00004580| 63 68 61 72 20 2a 29 26 | 62 75 66 2c 73 69 7a 65 |char *)&|buf,size|
|00004590| 6f 66 28 73 74 72 75 63 | 74 20 62 75 66 29 29 3b |of(struc|t buf));|
|000045a0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|000045b0| 20 20 20 20 20 20 20 20 | 20 6d 72 65 61 64 28 6b |        | mread(k|
|000045c0| 6d 65 6d 2c 20 28 64 61 | 64 64 72 5f 74 29 62 75 |mem, (da|ddr_t)bu|
|000045d0| 66 2e 62 5f 75 6e 2e 62 | 5f 66 73 2c 28 63 68 61 |f.b_un.b|_fs,(cha|
|000045e0| 72 20 2a 29 6d 6f 75 6e | 74 5f 73 74 75 66 66 5b |r *)moun|t_stuff[|
|000045f0| 6d 5d 2e 66 73 2c 20 0a | 20 20 20 20 20 20 20 20 |m].fs, .|        |
|00004600| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004610| 20 20 20 20 20 20 73 69 | 7a 65 6f 66 28 73 74 72 |      si|zeof(str|
|00004620| 75 63 74 20 66 73 29 29 | 3b 0a 20 20 20 20 20 20 |uct fs))|;.      |
|00004630| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004640| 20 20 62 72 65 61 6b 3b | 0a 20 20 20 20 20 20 20 |  break;|.       |
|00004650| 20 20 20 20 20 20 20 20 | 20 7d 0a 20 20 20 20 20 |        | }.     |
|00004660| 20 20 20 20 20 20 20 20 | 20 20 20 6d 2b 2b 3b 0a |        |   m++;.|
|00004670| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004680| 69 66 20 28 69 20 3e 3d | 20 6e 6d 6f 75 6e 74 29 |if (i >=| nmount)|
|00004690| 20 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | .      |        |
|000046a0| 20 20 20 20 20 20 20 20 | 20 20 63 6d 64 65 72 72 |        |  cmderr|
|000046b0| 28 30 2c 20 22 63 77 64 | 3a 20 43 61 6e 27 74 20 |(0, "cwd|: Can't |
|000046c0| 66 69 6e 64 20 25 73 20 | 69 6e 20 6b 65 72 6e 65 |find %s |in kerne|
|000046d0| 6c 20 6d 6f 75 6e 74 20 | 74 61 62 6c 65 5c 6e 22 |l mount |table\n"|
|000046e0| 2c 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |,.      |        |
|000046f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004700| 20 66 73 74 61 62 2d 3e | 66 73 5f 73 70 65 63 29 | fstab->|fs_spec)|
|00004710| 3b 0a 20 20 20 20 20 20 | 20 20 7d 20 20 20 20 20 |;.      |  }     |
|00004720| 20 20 0a 20 20 20 20 20 | 20 20 20 6d 6f 75 6e 74 |  .     |   mount|
|00004730| 5f 73 74 75 66 66 5b 6d | 5d 2e 64 65 76 20 3d 20 |_stuff[m|].dev = |
|00004740| 2d 31 3b 0a 20 20 20 20 | 20 20 20 20 66 72 65 65 |-1;.    |    free|
|00004750| 28 6d 6f 75 6e 74 74 61 | 62 6c 65 29 3b 0a 20 20 |(mountta|ble);.  |
|00004760| 20 20 20 20 20 20 72 65 | 74 75 72 6e 20 6d 6f 75 |      re|turn mou|
|00004770| 6e 74 5f 73 74 75 66 66 | 3b 0a 7d 0a 0a 2f 2a 0a |nt_stuff|;.}../*.|
|00004780| 20 2a 20 72 65 74 75 72 | 6e 20 61 20 70 6f 69 6e | * retur|n a poin|
|00004790| 74 65 72 20 74 6f 20 73 | 6f 6d 65 20 6d 6f 75 6e |ter to s|ome moun|
|000047a0| 74 20 69 6e 66 6f 72 6d | 61 74 69 6f 6e 20 75 73 |t inform|ation us|
|000047b0| 69 6e 67 0a 20 2a 20 64 | 65 76 69 63 65 20 61 73 |ing. * d|evice as|
|000047c0| 20 74 68 65 20 6b 65 79 | 0a 20 2a 2f 0a 73 74 72 | the key|. */.str|
|000047d0| 75 63 74 20 6d 6f 75 6e | 74 5f 73 74 75 66 66 20 |uct moun|t_stuff |
|000047e0| 2a 64 65 76 74 6f 73 74 | 75 66 66 28 64 65 76 2c |*devtost|uff(dev,|
|000047f0| 20 6d 6f 75 6e 74 5f 73 | 74 75 66 66 29 0a 64 65 | mount_s|tuff).de|
|00004800| 76 5f 74 20 64 65 76 3b | 0a 73 74 72 75 63 74 20 |v_t dev;|.struct |
|00004810| 6d 6f 75 6e 74 5f 73 74 | 75 66 66 20 6d 6f 75 6e |mount_st|uff moun|
|00004820| 74 5f 73 74 75 66 66 5b | 5d 3b 0a 7b 0a 20 20 20 |t_stuff[|];.{.   |
|00004830| 20 20 20 20 20 69 6e 74 | 20 69 3b 0a 20 20 20 20 |     int| i;.    |
|00004840| 20 20 20 20 0a 20 20 20 | 20 20 20 20 20 66 6f 72 |    .   |     for|
|00004850| 20 28 69 20 3d 20 30 3b | 20 6d 6f 75 6e 74 5f 73 | (i = 0;| mount_s|
|00004860| 74 75 66 66 5b 69 5d 2e | 64 65 76 20 21 3d 20 2d |tuff[i].|dev != -|
|00004870| 31 3b 20 69 2b 2b 29 20 | 7b 0a 20 20 20 20 20 20 |1; i++) |{.      |
|00004880| 20 20 20 20 20 20 20 20 | 20 20 69 66 20 28 6d 6f |        |  if (mo|
|00004890| 75 6e 74 5f 73 74 75 66 | 66 5b 69 5d 2e 64 65 76 |unt_stuf|f[i].dev|
|000048a0| 20 3d 3d 20 64 65 76 29 | 20 7b 0a 20 20 20 20 20 | == dev)| {.     |
|000048b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000048c0| 20 20 20 69 66 20 28 6d | 6f 75 6e 74 5f 73 74 75 |   if (m|ount_stu|
|000048d0| 66 66 5b 69 5d 2e 66 64 | 20 3d 3d 20 2d 31 29 0a |ff[i].fd| == -1).|
|000048e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000048f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004900| 6d 6f 75 6e 74 5f 73 74 | 75 66 66 5b 69 5d 2e 66 |mount_st|uff[i].f|
|00004910| 64 20 3d 20 0a 20 20 20 | 20 20 20 20 20 20 20 20 |d = .   |        |
|00004920| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004930| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 65 6f 70 |        |     eop|
|00004940| 65 6e 28 6d 6f 75 6e 74 | 5f 73 74 75 66 66 5b 69 |en(mount|_stuff[i|
|00004950| 5d 2e 64 65 76 6e 61 6d | 65 2c 0a 20 20 20 20 20 |].devnam|e,.     |
|00004960| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004970| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00004980| 20 20 20 20 20 20 20 20 | 20 4f 5f 52 44 4f 4e 4c |        | O_RDONL|
|00004990| 59 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |Y);.    |        |
|000049a0| 20 20 20 20 20 20 20 20 | 20 20 20 20 72 65 74 75 |        |    retu|
|000049b0| 72 6e 20 26 6d 6f 75 6e | 74 5f 73 74 75 66 66 5b |rn &moun|t_stuff[|
|000049c0| 69 5d 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |i];.    |        |
|000049d0| 20 20 20 20 7d 0a 20 20 | 20 20 20 20 20 20 7d 0a |    }.  |      }.|
|000049e0| 20 20 20 20 20 20 20 20 | 72 65 74 75 72 6e 20 4e |        |return N|
|000049f0| 55 4c 4c 3b 0a 7d 0a 0a | 2f 2a 0a 20 2a 20 6d 61 |ULL;.}..|/*. * ma|
|00004a00| 73 73 61 67 65 20 74 68 | 65 20 75 5f 63 6f 6d 6d |ssage th|e u_comm|
|00004a10| 20 66 69 65 6c 64 20 6f | 66 20 61 20 75 73 65 72 | field o|f a user|
|00004a20| 20 70 61 67 65 0a 20 2a | 2f 0a 70 72 69 6e 74 63 | page. *|/.printc|
|00004a30| 6f 6d 6d 28 75 2c 20 70 | 69 64 29 0a 73 74 72 75 |omm(u, p|id).stru|
|00004a40| 63 74 20 75 73 65 72 20 | 2a 75 3b 0a 69 6e 74 20 |ct user |*u;.int |
|00004a50| 70 69 64 3b 0a 7b 0a 20 | 20 20 20 20 20 20 20 63 |pid;.{. |       c|
|00004a60| 68 61 72 20 2a 6e 61 6d | 65 3b 0a 20 20 20 20 20 |har *nam|e;.     |
|00004a70| 20 20 20 73 77 69 74 63 | 68 20 28 70 69 64 29 20 |   switc|h (pid) |
|00004a80| 7b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |{.      |        |
|00004a90| 63 61 73 65 20 30 3a 0a | 20 20 20 20 20 20 20 20 |case 0:.|        |
|00004aa0| 20 20 20 20 20 20 20 20 | 6e 61 6d 65 20 3d 20 22 |        |name = "|
|00004ab0| 73 77 61 70 70 65 72 22 | 3b 0a 20 20 20 20 20 20 |swapper"|;.      |
|00004ac0| 20 20 20 20 20 20 20 20 | 20 20 62 72 65 61 6b 3b |        |  break;|
|00004ad0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 63 |.       |       c|
|00004ae0| 61 73 65 20 32 3a 0a 20 | 20 20 20 20 20 20 20 20 |ase 2:. |        |
|00004af0| 20 20 20 20 20 20 20 6e | 61 6d 65 20 3d 20 22 70 |       n|ame = "p|
|00004b00| 61 67 65 64 61 65 6d 6f | 6e 22 3b 0a 20 20 20 20 |agedaemo|n";.    |
|00004b10| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 72 65 61 |        |    brea|
|00004b20| 6b 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |k;.     |        |
|00004b30| 20 64 65 66 61 75 6c 74 | 3a 0a 20 20 20 20 20 20 | default|:.      |
|00004b40| 20 20 20 20 20 20 20 20 | 20 20 6e 61 6d 65 20 3d |        |  name =|
|00004b50| 20 75 2d 3e 75 5f 63 6f | 6d 6d 3b 0a 20 20 20 20 | u->u_co|mm;.    |
|00004b60| 20 20 20 20 7d 0a 20 20 | 20 20 20 20 20 20 70 72 |    }.  |      pr|
|00004b70| 69 6e 74 66 28 22 25 2d | 2a 73 20 22 2c 20 4d 41 |intf("%-|*s ", MA|
|00004b80| 58 43 4f 4d 4c 45 4e 2c | 20 6e 61 6d 65 20 29 3b |XCOMLEN,| name );|
|00004b90| 0a 7d 0a 0a 70 72 69 6e | 74 70 69 64 28 70 69 64 |.}..prin|tpid(pid|
|00004ba0| 29 0a 69 6e 74 20 70 69 | 64 3b 0a 7b 0a 09 70 72 |).int pi|d;.{..pr|
|00004bb0| 69 6e 74 66 28 22 25 2d | 36 64 20 22 2c 20 70 69 |intf("%-|6d ", pi|
|00004bc0| 64 29 3b 0a 7d 0a 0a 2f | 2a 0a 20 2a 20 70 72 69 |d);.}../|*. * pri|
|00004bd0| 6e 74 20 61 20 75 73 65 | 72 6e 61 6d 65 20 62 61 |nt a use|rname ba|
|00004be0| 73 65 64 20 6f 6e 20 75 | 69 64 0a 20 2a 2f 20 0a |sed on u|id. */ .|
|00004bf0| 70 72 69 6e 74 75 73 65 | 72 28 75 69 64 29 0a 69 |printuse|r(uid).i|
|00004c00| 6e 74 20 75 69 64 3b 0a | 7b 0a 20 20 20 20 20 20 |nt uid;.|{.      |
|00004c10| 20 20 73 74 72 75 63 74 | 20 70 61 73 73 77 64 20 |  struct| passwd |
|00004c20| 2a 70 77 3b 0a 20 20 20 | 20 20 20 20 20 70 77 20 |*pw;.   |     pw |
|00004c30| 3d 20 67 65 74 70 77 75 | 69 64 28 75 69 64 29 3b |= getpwu|id(uid);|
|00004c40| 0a 20 20 20 20 20 20 20 | 20 69 66 20 28 70 77 29 |.       | if (pw)|
|00004c50| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00004c60| 20 70 72 69 6e 74 66 28 | 22 25 2d 38 2e 38 73 20 | printf(|"%-8.8s |
|00004c70| 20 20 22 2c 20 70 77 2d | 3e 70 77 5f 6e 61 6d 65 |  ", pw-|>pw_name|
|00004c80| 29 3b 0a 20 20 20 20 20 | 20 20 20 72 65 74 75 72 |);.     |   retur|
|00004c90| 6e 20 28 70 77 20 21 3d | 20 4e 55 4c 4c 29 3b 0a |n (pw !=| NULL);.|
|00004ca0| 7d 0a 0a 73 74 72 75 63 | 74 20 64 69 6e 6f 64 65 |}..struc|t dinode|
|00004cb0| 20 2a 72 65 61 64 69 6e | 6f 64 65 28 66 64 2c 20 | *readin|ode(fd, |
|00004cc0| 66 73 2c 20 69 6e 75 6d | 29 0a 69 6e 74 20 66 64 |fs, inum|).int fd|
|00004cd0| 3b 0a 73 74 72 75 63 74 | 20 66 73 20 2a 66 73 3b |;.struct| fs *fs;|
|00004ce0| 0a 69 6e 6f 5f 74 20 69 | 6e 75 6d 3b 0a 7b 0a 20 |.ino_t i|num;.{. |
|00004cf0| 20 20 20 20 20 20 20 73 | 74 61 74 69 63 20 73 74 |       s|tatic st|
|00004d00| 72 75 63 74 20 64 69 6e | 6f 64 65 20 69 74 61 62 |ruct din|ode itab|
|00004d10| 5b 4d 41 58 49 50 47 5d | 3b 0a 20 20 20 20 20 20 |[MAXIPG]|;.      |
|00004d20| 20 20 0a 20 20 20 20 20 | 20 20 20 62 72 65 61 64 |  .     |   bread|
|00004d30| 28 66 64 2c 20 66 73 62 | 74 6f 64 62 28 66 73 2c |(fd, fsb|todb(fs,|
|00004d40| 20 63 67 69 6d 69 6e 28 | 66 73 2c 20 69 6e 75 6d | cgimin(|fs, inum|
|00004d50| 2f 66 73 2d 3e 66 73 5f | 69 70 67 29 29 2c 20 28 |/fs->fs_|ipg)), (|
|00004d60| 63 68 61 72 20 2a 29 69 | 74 61 62 2c 0a 20 20 20 |char *)i|tab,.   |
|00004d70| 20 20 20 20 20 20 20 20 | 20 20 20 66 73 2d 3e 66 |        |   fs->f|
|00004d80| 73 5f 69 70 67 20 2a 20 | 73 69 7a 65 6f 66 20 28 |s_ipg * |sizeof (|
|00004d90| 73 74 72 75 63 74 20 64 | 69 6e 6f 64 65 29 29 3b |struct d|inode));|
|00004da0| 0a 20 20 20 20 20 20 20 | 20 0a 20 20 20 20 20 20 |.       | .      |
|00004db0| 20 20 72 65 74 75 72 6e | 20 26 69 74 61 62 5b 69 |  return| &itab[i|
|00004dc0| 6e 75 6d 25 66 73 2d 3e | 66 73 5f 69 70 67 5d 3b |num%fs->|fs_ipg];|
|00004dd0| 0a 7d 0a 0a 6e 61 6d 65 | 32 75 69 64 28 6e 61 6d |.}..name|2uid(nam|
|00004de0| 65 29 0a 63 68 61 72 20 | 2a 6e 61 6d 65 3b 0a 7b |e).char |*name;.{|
|00004df0| 0a 20 20 20 20 20 20 20 | 20 73 74 72 75 63 74 20 |.       | struct |
|00004e00| 70 61 73 73 77 64 20 2a | 70 77 3b 0a 20 20 20 20 |passwd *|pw;.    |
|00004e10| 20 20 20 20 70 77 20 3d | 20 67 65 74 70 77 6e 61 |    pw =| getpwna|
|00004e20| 6d 28 6e 61 6d 65 29 3b | 0a 20 20 20 20 20 20 20 |m(name);|.       |
|00004e30| 20 69 66 20 28 70 77 29 | 0a 20 20 20 20 20 20 20 | if (pw)|.       |
|00004e40| 20 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 20 |        | return |
|00004e50| 70 77 2d 3e 70 77 5f 75 | 69 64 3b 0a 20 20 20 20 |pw->pw_u|id;.    |
|00004e60| 20 20 20 20 65 6c 73 65 | 20 7b 0a 20 20 20 20 20 |    else| {.     |
|00004e70| 20 20 20 20 20 20 20 20 | 20 20 20 66 70 72 69 6e |        |   fprin|
|00004e80| 74 66 28 73 74 64 65 72 | 72 2c 22 25 73 3a 20 6e |tf(stder|r,"%s: n|
|00004e90| 6f 20 73 75 63 68 20 75 | 73 65 72 5c 6e 22 2c 6e |o such u|ser\n",n|
|00004ea0| 61 6d 65 29 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |ame);.  |        |
|00004eb0| 20 20 20 20 20 20 72 65 | 74 75 72 6e 20 4e 4f 53 |      re|turn NOS|
|00004ec0| 55 43 48 5f 55 53 45 52 | 3b 0a 20 20 20 20 20 20 |UCH_USER|;.      |
|00004ed0| 20 20 7d 0a 7d 0a 0a 0a | 2f 2a 0a 20 2a 20 72 65 |  }.}...|/*. * re|
|00004ee0| 74 75 72 6e 20 61 20 70 | 6f 69 6e 74 65 72 20 74 |turn a p|ointer t|
|00004ef0| 6f 20 61 20 75 73 65 72 | 20 70 61 67 65 0a 20 2a |o a user| page. *|
|00004f00| 20 74 68 69 73 20 72 6f | 75 74 69 6e 65 20 77 61 | this ro|utine wa|
|00004f10| 73 20 6c 69 62 65 72 61 | 6c 6c 79 20 63 72 69 62 |s libera|lly crib|
|00004f20| 62 65 64 20 66 72 6f 6d | 20 74 68 65 20 22 74 6f |bed from| the "to|
|00004f30| 70 22 20 70 72 6f 67 72 | 61 6d 0a 20 2a 20 62 79 |p" progr|am. * by|
|00004f40| 20 57 69 6c 6c 69 61 6d | 20 4c 65 66 65 62 76 72 | William| Lefebvr|
|00004f50| 65 0a 20 2a 2f 0a 73 74 | 72 75 63 74 20 75 73 65 |e. */.st|ruct use|
|00004f60| 72 20 2a 67 65 74 75 28 | 70 2c 20 6d 65 6d 2c 20 |r *getu(|p, mem, |
|00004f70| 6b 6d 65 6d 2c 20 73 77 | 61 70 29 0a 73 74 72 75 |kmem, sw|ap).stru|
|00004f80| 63 74 20 70 72 6f 63 20 | 2a 70 3b 0a 7b 0a 20 20 |ct proc |*p;.{.  |
|00004f90| 20 20 20 20 20 20 2f 2a | 20 70 61 64 20 72 65 61 |      /*| pad rea|
|00004fa0| 64 73 20 66 72 6f 6d 20 | 73 77 61 70 20 74 6f 20 |ds from |swap to |
|00004fb0| 61 20 70 61 67 65 20 2a | 2f 0a 20 20 20 20 20 20 |a page *|/.      |
|00004fc0| 20 20 73 74 61 74 69 63 | 20 75 6e 69 6f 6e 20 7b |  static| union {|
|00004fd0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00004fe0| 20 73 74 72 75 63 74 20 | 20 75 73 65 72 20 75 3b | struct | user u;|
|00004ff0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00005000| 20 63 68 61 72 20 20 20 | 20 75 70 61 67 65 73 5b | char   | upages[|
|00005010| 55 50 41 47 45 53 5d 5b | 4e 42 50 47 5d 3b 0a 20 |UPAGES][|NBPG];. |
|00005020| 20 20 20 20 20 20 20 7d | 20 75 73 65 72 3b 0a 23 |       }| user;.#|
|00005030| 69 66 20 21 64 65 66 69 | 6e 65 64 28 62 73 64 29 |if !defi|ned(bsd)|
|00005040| 0a 20 20 20 20 20 20 20 | 20 73 74 61 74 69 63 20 |.       | static |
|00005050| 73 74 72 75 63 74 20 75 | 63 72 65 64 20 75 63 72 |struct u|cred ucr|
|00005060| 65 64 3b 0a 23 65 6e 64 | 69 66 0a 20 20 20 20 20 |ed;.#end|if.     |
|00005070| 20 20 20 63 68 61 72 20 | 2a 75 70 3b 0a 20 20 20 |   char |*up;.   |
|00005080| 20 20 20 20 20 73 74 72 | 75 63 74 20 70 74 65 20 |     str|uct pte |
|00005090| 2a 70 74 65 2c 20 75 70 | 74 65 73 5b 55 50 41 47 |*pte, up|tes[UPAG|
|000050a0| 45 53 5d 3b 0a 20 20 20 | 20 20 20 20 20 69 6e 74 |ES];.   |     int|
|000050b0| 20 6e 3b 0a 23 64 65 66 | 69 6e 65 20 6d 69 6e 28 | n;.#def|ine min(|
|000050c0| 61 2c 62 29 20 20 20 20 | 20 20 20 20 28 61 20 3c |a,b)    |    (a <|
|000050d0| 20 62 20 3f 20 61 20 3a | 20 62 29 0a 20 20 20 20 | b ? a :| b).    |
|000050e0| 20 20 20 20 2f 2a 20 74 | 72 79 20 69 6e 20 63 6f |    /* t|ry in co|
|000050f0| 72 65 20 2a 2f 0a 20 20 | 20 20 20 20 20 20 69 66 |re */.  |      if|
|00005100| 20 28 70 2d 3e 70 5f 66 | 6c 61 67 20 26 20 53 4c | (p->p_f|lag & SL|
|00005110| 4f 41 44 29 20 7b 0a 20 | 20 20 20 20 20 20 20 20 |OAD) {. |        |
|00005120| 20 20 20 20 20 20 20 6d | 72 65 61 64 28 6b 6d 65 |       m|read(kme|
|00005130| 6d 2c 20 28 64 61 64 64 | 72 5f 74 29 70 2d 3e 70 |m, (dadd|r_t)p->p|
|00005140| 5f 61 64 64 72 2c 28 63 | 68 61 72 20 2a 29 75 70 |_addr,(c|har *)up|
|00005150| 74 65 73 2c 20 0a 20 20 | 20 20 20 20 20 20 20 20 |tes, .  |        |
|00005160| 20 20 20 20 20 20 20 20 | 20 20 20 20 55 50 41 47 |        |    UPAG|
|00005170| 45 53 20 2a 20 73 69 7a | 65 6f 66 28 73 74 72 75 |ES * siz|eof(stru|
|00005180| 63 74 20 70 74 65 29 29 | 3b 0a 20 20 20 20 20 20 |ct pte))|;.      |
|00005190| 20 20 20 20 20 20 20 20 | 20 20 70 74 65 20 3d 20 |        |  pte = |
|000051a0| 75 70 74 65 73 3b 0a 20 | 20 20 20 20 20 20 20 20 |uptes;. |        |
|000051b0| 20 20 20 20 20 20 20 66 | 6f 72 28 75 70 20 3d 20 |       f|or(up = |
|000051c0| 28 63 68 61 72 20 2a 29 | 26 75 73 65 72 2c 20 6e |(char *)|&user, n|
|000051d0| 20 3d 20 73 69 7a 65 6f | 66 28 73 74 72 75 63 74 | = sizeo|f(struct|
|000051e0| 20 75 73 65 72 29 3b 20 | 6e 20 3e 20 30 3b 20 0a | user); |n > 0; .|
|000051f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005200| 20 20 20 20 6e 20 2d 3d | 20 4e 42 50 47 29 20 7b |    n -=| NBPG) {|
|00005210| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |.       |        |
|00005220| 20 20 20 20 20 20 20 20 | 20 6d 72 65 61 64 28 6d |        | mread(m|
|00005230| 65 6d 2c 20 28 64 61 64 | 64 72 5f 74 29 28 70 74 |em, (dad|dr_t)(pt|
|00005240| 65 2b 2b 2d 3e 70 67 5f | 70 66 6e 75 6d 20 2a 20 |e++->pg_|pfnum * |
|00005250| 4e 42 50 47 29 2c 0a 20 | 20 20 20 20 20 20 20 20 |NBPG),. |        |
|00005260| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005270| 20 20 20 20 20 75 70 2c | 6d 69 6e 28 6e 2c 4e 42 |     up,|min(n,NB|
|00005280| 50 47 29 29 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |PG));.  |        |
|00005290| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 75 70 |        |      up|
|000052a0| 20 2b 3d 20 4e 42 50 47 | 3b 0a 20 20 20 20 20 20 | += NBPG|;.      |
|000052b0| 20 20 20 20 20 20 20 20 | 20 20 7d 0a 20 20 20 20 |        |  }.    |
|000052c0| 20 20 20 20 7d 0a 20 20 | 20 20 20 20 20 20 65 6c |    }.  |      el|
|000052d0| 73 65 20 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |se .    |        |
|000052e0| 20 20 20 20 6d 72 65 61 | 64 28 73 77 61 70 2c 20 |    mrea|d(swap, |
|000052f0| 28 64 61 64 64 72 5f 74 | 29 64 74 6f 62 28 70 2d |(daddr_t|)dtob(p-|
|00005300| 3e 70 5f 73 77 61 64 64 | 72 29 2c 0a 20 20 20 20 |>p_swadd|r),.    |
|00005310| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00005320| 20 20 28 63 68 61 72 20 | 2a 29 26 75 73 65 72 2c |  (char |*)&user,|
|00005330| 73 69 7a 65 6f 66 28 75 | 73 65 72 29 29 3b 0a 23 |sizeof(u|ser));.#|
|00005340| 69 66 20 21 64 65 66 69 | 6e 65 64 28 62 73 64 29 |if !defi|ned(bsd)|
|00005350| 20 20 20 20 20 20 20 0a | 20 20 20 20 20 20 20 20 |       .|        |
|00005360| 6d 72 65 61 64 28 6b 6d | 65 6d 2c 20 28 64 61 64 |mread(km|em, (dad|
|00005370| 64 72 5f 74 29 75 73 65 | 72 2e 75 2e 75 5f 63 72 |dr_t)use|r.u.u_cr|
|00005380| 65 64 2c 20 26 75 63 72 | 65 64 2c 20 73 69 7a 65 |ed, &ucr|ed, size|
|00005390| 6f 66 28 75 63 72 65 64 | 29 29 3b 0a 20 20 20 20 |of(ucred|));.    |
|000053a0| 20 20 20 20 75 73 65 72 | 2e 75 2e 75 5f 63 72 65 |    user|.u.u_cre|
|000053b0| 64 20 3d 20 26 75 63 72 | 65 64 3b 0a 23 65 6e 64 |d = &ucr|ed;.#end|
|000053c0| 69 66 0a 20 20 20 20 20 | 20 20 20 72 65 74 75 72 |if.     |   retur|
|000053d0| 6e 20 26 75 73 65 72 2e | 75 3b 0a 7d 0a 0a 0a 2f |n &user.|u;.}.../|
|000053e0| 2a 0a 20 2a 20 67 65 74 | 20 74 68 65 20 69 6e 6f |*. * get| the ino|
|000053f0| 64 65 20 63 6f 72 72 65 | 73 70 6f 6e 64 69 6e 67 |de corre|sponding|
|00005400| 20 74 6f 20 63 75 72 72 | 65 6e 74 20 77 6f 72 6b | to curr|ent work|
|00005410| 69 6e 67 20 64 69 72 65 | 63 74 6f 72 79 0a 20 2a |ing dire|ctory. *|
|00005420| 2f 0a 73 74 72 75 63 74 | 20 69 6e 6f 64 65 20 2a |/.struct| inode *|
|00005430| 67 65 74 63 64 69 72 28 | 6b 6d 65 6d 2c 20 61 64 |getcdir(|kmem, ad|
|00005440| 64 72 29 0a 69 6e 74 20 | 6b 6d 65 6d 3b 0a 64 61 |dr).int |kmem;.da|
|00005450| 64 64 72 5f 74 20 61 64 | 64 72 3b 0a 7b 0a 20 20 |ddr_t ad|dr;.{.  |
|00005460| 20 20 20 20 20 20 73 74 | 61 74 69 63 20 73 74 72 |      st|atic str|
|00005470| 75 63 74 20 69 6e 6f 64 | 65 20 69 6e 3b 0a 20 20 |uct inod|e in;.  |
|00005480| 20 20 20 20 20 20 73 74 | 72 75 63 74 20 69 6e 6f |      st|ruct ino|
|00005490| 64 65 20 2a 63 64 69 72 | 3b 0a 20 20 20 20 20 20 |de *cdir|;.      |
|000054a0| 20 20 0a 23 69 66 20 64 | 65 66 69 6e 65 64 28 75 |  .#if d|efined(u|
|000054b0| 6c 74 72 69 78 29 0a 20 | 20 20 20 20 20 20 20 73 |ltrix). |       s|
|000054c0| 74 72 75 63 74 20 67 6e | 6f 64 65 20 67 3b 0a 20 |truct gn|ode g;. |
|000054d0| 20 20 20 20 20 20 20 6d | 72 65 61 64 28 6b 6d 65 |       m|read(kme|
|000054e0| 6d 2c 20 61 64 64 72 2c | 20 26 67 2c 20 73 69 7a |m, addr,| &g, siz|
|000054f0| 65 6f 66 28 67 29 29 3b | 0a 20 20 20 20 20 20 20 |eof(g));|.       |
|00005500| 20 63 64 69 72 20 3d 20 | 47 54 4f 49 28 26 67 29 | cdir = |GTOI(&g)|
|00005510| 3b 0a 23 65 6e 64 69 66 | 0a 23 69 66 20 64 65 66 |;.#endif|.#if def|
|00005520| 69 6e 65 64 28 62 73 64 | 29 0a 20 20 20 20 20 20 |ined(bsd|).      |
|00005530| 20 20 6d 72 65 61 64 28 | 6b 6d 65 6d 2c 20 61 64 |  mread(|kmem, ad|
|00005540| 64 72 2c 20 26 69 6e 2c | 20 73 69 7a 65 6f 66 28 |dr, &in,| sizeof(|
|00005550| 69 6e 29 29 3b 0a 20 20 | 20 20 20 20 20 20 63 64 |in));.  |      cd|
|00005560| 69 72 20 3d 20 26 69 6e | 3b 0a 23 65 6e 64 69 66 |ir = &in|;.#endif|
|00005570| 0a 23 69 66 20 64 65 66 | 69 6e 65 64 28 73 75 6e |.#if def|ined(sun|
|00005580| 29 0a 20 20 20 20 20 20 | 20 20 73 74 72 75 63 74 |).      |  struct|
|00005590| 20 76 6e 6f 64 65 20 76 | 3b 0a 20 20 20 20 20 20 | vnode v|;.      |
|000055a0| 20 20 6d 72 65 61 64 28 | 6b 6d 65 6d 2c 20 61 64 |  mread(|kmem, ad|
|000055b0| 64 72 2c 20 26 76 2c 20 | 73 69 7a 65 6f 66 28 76 |dr, &v, |sizeof(v|
|000055c0| 29 29 3b 0a 20 20 20 20 | 20 20 20 20 6d 72 65 61 |));.    |    mrea|
|000055d0| 64 28 6b 6d 65 6d 2c 20 | 28 64 61 64 64 72 5f 74 |d(kmem, |(daddr_t|
|000055e0| 29 56 54 4f 49 28 26 76 | 29 2c 20 26 69 6e 2c 20 |)VTOI(&v|), &in, |
|000055f0| 73 69 7a 65 6f 66 28 69 | 6e 29 29 3b 0a 20 20 20 |sizeof(i|n));.   |
|00005600| 20 20 20 20 20 63 64 69 | 72 20 3d 20 26 69 6e 3b |     cdi|r = &in;|
|00005610| 0a 23 65 6e 64 69 66 0a | 20 20 20 20 20 20 20 20 |.#endif.|        |
|00005620| 72 65 74 75 72 6e 20 63 | 64 69 72 3b 0a 7d 0a 61 |return c|dir;.}.a|
|00005630| 62 6c 65 0a 20 2a 2f 0a | 63 6d 64 65 72 72 28 65 |ble. */.|cmderr(e|
|00005640| 2c 20 66 6f 72 6d 61 74 | 2c 20 61 72 67 73 29 0a |, format|, args).|
|00005650| 69 6e 74 20 65 3b 0a 63 | 68 61 72 20 2a 66 6f 72 |int e;.c|har *for|
|00005660| 6d 61 74 3b 0a 63 68 61 | 72 20 2a 61 72 67 73 3b |mat;.cha|r *args;|
|00005670| 0a 7b 0a 20 20 20 20 20 | 20 20 20 72 65 67 69 73 |.{.     |   regis|
|00005680| 74 65 72 20 69 6e 74 20 | 6e 6c 20 3d 20 30 3b 0a |ter int |nl = 0;.|
|00005690| 20 20 20 20 20 20 20 20 | 72 65 67 69 73 74 65 72 |        |register|
|000056a0| 20 69 6e 74 20 69 20 3d | 20 73 74 72 6c 65 6e 28 | int i =| strlen(|
|000056b0| 66 6f 72 6d 61 74 29 20 | 2d 20 31 3b 0a 20 20 20 |format) |- 1;.   |
|000056c0| 20 20 20 20 20 63 68 61 | 72 20 66 6d 74 5b 42 55 |     cha|r fmt[BU|
|000056d0| 46 53 49 5a 5d 3b 0a 20 | 20 20 20 20 20 20 20 65 |FSIZ];. |       e|
|000056e0| 78 74 65 72 6e 20 69 6e | 74 20 73 79 73 5f 6e 65 |xtern in|t sys_ne|
|000056f0| 72 72 3b 0a 20 20 20 20 | 20 20 20 20 65 78 74 65 |rr;.    |    exte|
|00005700| 72 6e 20 63 68 61 72 20 | 2a 73 79 73 5f 65 72 72 |rn char |*sys_err|
|00005710| 6c 69 73 74 5b 5d 3b 0a | 20 20 20 20 20 20 20 20 |list[];.|        |
|00005720| 65 78 74 65 72 6e 20 69 | 6e 74 20 65 72 72 6e 6f |extern i|nt errno|
|00005730| 3b 0a 20 20 20 20 20 20 | 20 20 0a 20 20 20 20 20 |;.      |  .     |
|00005740| 20 20 20 73 74 72 63 70 | 79 28 66 6d 74 2c 20 66 |   strcp|y(fmt, f|
|00005750| 6f 72 6d 61 74 29 3b 0a | 20 20 20 20 20 20 20 20 |ormat);.|        |
|00005760| 69 66 20 28 20 65 20 3d | 3d 20 2d 31 29 0a 20 20 |if ( e =|= -1).  |
|00005770| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 65 20 |        |      e |
|00005780| 3d 20 65 72 72 6e 6f 3b | 0a 20 20 20 20 20 20 20 |= errno;|.       |
|00005790| 20 69 66 20 28 66 6d 74 | 5b 69 5d 20 3d 3d 20 27 | if (fmt|[i] == '|
|000057a0| 5c 6e 27 29 20 7b 0a 20 | 20 20 20 20 20 20 20 20 |\n') {. |        |
|000057b0| 20 20 20 20 20 20 20 66 | 6d 74 5b 69 5d 20 3d 20 |       f|mt[i] = |
|000057c0| 4e 55 4c 4c 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |NULL;.  |        |
|000057d0| 20 20 20 20 20 20 6e 6c | 20 3d 20 31 3b 0a 20 20 |      nl| = 1;.  |
|000057e0| 20 20 20 20 20 20 7d 0a | 20 20 20 20 20 20 20 20 |      }.|        |
|000057f0| 5f 64 6f 70 72 6e 74 28 | 66 6d 74 2c 20 26 61 72 |_doprnt(|fmt, &ar|
|00005800| 70 72 6f 63 65 73 73 2d | 63 77 64 2f 63 77 64 2e |process-|cwd/cwd.|
|00005810| 31 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |1.......|........|
|00005820| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005830| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005840| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005850| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005860| 00 00 00 00 20 20 20 36 | 34 34 20 00 20 20 31 35 |....   6|44 .  15|
|00005870| 32 34 20 00 20 20 20 20 | 31 33 20 00 20 20 20 20 |24 .    |13 .    |
|00005880| 20 20 20 31 35 32 31 20 | 20 34 35 32 33 33 36 35 |   1521 | 4523365|
|00005890| 31 31 33 20 20 20 37 32 | 31 36 00 20 00 00 00 00 |113   72|16. ....|
|000058a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000058f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005900| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005910| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005920| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005930| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005940| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005950| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005970| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005980| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00005990| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|000059e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000059f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00005d40| 20 4e 46 53 20 0a 70 61 | 74 68 6e 61 6d 65 73 2e | NFS .pa|thnames.|
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|00005da0| 70 79 28 6d 6f 75 6e 74 | 5f 73 74 75 66 66 5b 6d |py(mount|_stuff[m|
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|000060d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000060e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00006120| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00006160| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006170| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006180| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006190| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000061a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000061b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000061c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000061d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000061e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000061f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006200| 2c 20 26 73 29 20 21 3d | 20 30 29 0a 20 20 20 20 |, &s) !=| 0).    |
|00006210| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00006220| 20 20 20 20 65 63 6d 64 | 65 72 72 28 2d 31 2c 20 |    ecmd|err(-1, |
|00006230| 22 63 77 64 3a 20 43 61 | 6e 27 74 20 73 74 61 74 |"cwd: Ca|n't stat|
|00006240| 20 25 73 5c 6e 22 2c 20 | 66 73 74 61 62 2d 3e 66 | %s\n", |fstab->f|
|00006250| 73 5f 73 70 65 63 29 3b | 0a 20 20 20 20 20 20 20 |s_spec);|.       |
|00006260| 20 20 20 20 20 20 20 20 | 20 73 74 72 63 70 79 28 |        | strcpy(|
|00006270| 6d 6f 75 6e 74 5f 73 74 | 75 66 66 5b 6d 5d 2e 64 |mount_st|uff[m].d|
|00006280| 65 76 6e 61 6d 65 2c 20 | 66 73 74 61 62 2d 3e 66 |evname, |fstab->f|
|00006290| 73 5f 73 70 65 63 29 3b | 0a 20 20 20 20 20 20 20 |s_spec);|.       |
|000062a0| 20 20 20 20 20 20 20 20 | 20 73 6c 61 73 68 20 3d |        | slash =|
|000062b0| 20 72 69 6e 64 65 78 28 | 6d 6f 75 6e 74 5f 73 74 | rindex(|mount_st|
|000062c0| 75 66 66 5b 6d 5d 2e 64 | 65 76 6e 61 6d 65 2c 20 |uff[m].d|evname, |
|000062d0| 27 2f 27 29 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |'/');.  |        |
|000062e0| 20 20 20 20 20 20 69 66 | 20 28 73 6c 61 73 68 29 |      if| (slash)|
|000062f0| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | {.     |        |
|00006300| 20 20 20 20 20 20 20 20 | 20 20 20 73 6c 61 73 68 |        |   slash|
|00006310| 2b 2b 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |++;.    |        |
|00006320| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 63 6f 70 |        |    bcop|
|00006330| 79 28 73 6c 61 73 68 2c | 20 73 6c 61 73 68 2b 31 |y(slash,| slash+1|
|00006340| 2c 20 73 74 72 6c 65 6e | 28 73 6c 61 73 68 29 2b |, strlen|(slash)+|
|00006350| 31 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |1);.    |        |
|00006360| 20 20 20 20 20 20 20 20 | 20 20 20 20 2a 73 6c 61 |        |    *sla|
|00006370| 73 68 20 3d 20 27 72 27 | 3b 0a 20 20 20 20 20 20 |sh = 'r'|;.      |
|00006380| 20 20 20 20 20 20 20 20 | 20 20 7d 0a 20 20 20 20 |        |  }.    |
|00006390| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 74 72 63 |        |    strc|
|000063a0| 70 79 28 6d 6f 75 6e 74 | 5f 73 74 75 66 66 5b 6d |py(mount|_stuff[m|
|000063b0| 5d 2e 70 61 74 68 2c 20 | 66 73 74 61 62 2d 3e 66 |].path, |fstab->f|
|000063c0| 73 5f 66 69 6c 65 29 3b | 0a 20 20 20 20 20 20 20 |s_file);|.       |
|000063d0| 20 20 20 20 20 20 20 20 | 20 0a 20 20 20 20 20 20 |        | .      |
|000063e0| 20 20 20 20 20 20 20 20 | 20 20 6d 6f 75 6e 74 5f |        |  mount_|
|000063f0| 73 74 75 66 66 5b 6d 5d | 2e 66 64 20 3d 20 2d 31 |stuff[m]|.fd = -1|
+--------+-------------------------+-------------------------+--------+--------+