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Last change
on this file since 1158 was 1046, checked in by alloc, 8 years ago |
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Daodan: Added Windows MinGW and build batch file
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File size:
1.8 KB
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| 1 | # group.awk --- functions for dealing with the group file
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| 2 | #
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| 3 | # Arnold Robbins, arnold@skeeve.com, Public Domain
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| 4 | # May 1993
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| 5 | # Revised October 2000
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| 6 |
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| 7 | BEGIN \
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| 8 | {
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| 9 | # Change to suit your system
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| 10 | _gr_awklib = "/usr/sbin/awk/"
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| 11 | }
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| 12 |
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| 13 | function _gr_init( oldfs, oldrs, olddol0, grcat,
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| 14 | using_fw, n, a, i)
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| 15 | {
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| 16 | if (_gr_inited)
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| 17 | return
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| 18 |
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| 19 | oldfs = FS
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| 20 | oldrs = RS
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| 21 | olddol0 = $0
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| 22 | using_fw = (PROCINFO["FS"] == "FIELDWIDTHS")
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| 23 | FS = ":"
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| 24 | RS = "\n"
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| 25 |
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| 26 | grcat = _gr_awklib "grcat"
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| 27 | while ((grcat | getline) > 0) {
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| 28 | if ($1 in _gr_byname)
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| 29 | _gr_byname[$1] = _gr_byname[$1] "," $4
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| 30 | else
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| 31 | _gr_byname[$1] = $0
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| 32 | if ($3 in _gr_bygid)
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| 33 | _gr_bygid[$3] = _gr_bygid[$3] "," $4
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| 34 | else
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| 35 | _gr_bygid[$3] = $0
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| 36 |
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| 37 | n = split($4, a, "[ \t]*,[ \t]*")
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| 38 | for (i = 1; i <= n; i++)
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| 39 | if (a[i] in _gr_groupsbyuser)
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| 40 | _gr_groupsbyuser[a[i]] = \
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| 41 | _gr_groupsbyuser[a[i]] " " $1
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| 42 | else
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| 43 | _gr_groupsbyuser[a[i]] = $1
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| 44 |
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| 45 | _gr_bycount[++_gr_count] = $0
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| 46 | }
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| 47 | close(grcat)
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| 48 | _gr_count = 0
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| 49 | _gr_inited++
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| 50 | FS = oldfs
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| 51 | if (using_fw)
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| 52 | FIELDWIDTHS = FIELDWIDTHS
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| 53 | RS = oldrs
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| 54 | $0 = olddol0
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| 55 | }
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| 56 | function getgrnam(group)
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| 57 | {
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| 58 | _gr_init()
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| 59 | if (group in _gr_byname)
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| 60 | return _gr_byname[group]
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| 61 | return ""
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| 62 | }
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| 63 | function getgrgid(gid)
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| 64 | {
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| 65 | _gr_init()
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| 66 | if (gid in _gr_bygid)
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| 67 | return _gr_bygid[gid]
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| 68 | return ""
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| 69 | }
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| 70 | function getgruser(user)
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| 71 | {
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| 72 | _gr_init()
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| 73 | if (user in _gr_groupsbyuser)
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| 74 | return _gr_groupsbyuser[user]
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| 75 | return ""
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| 76 | }
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| 77 | function getgrent()
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| 78 | {
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| 79 | _gr_init()
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| 80 | if (++_gr_count in _gr_bycount)
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| 81 | return _gr_bycount[_gr_count]
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| 82 | return ""
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| 83 | }
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| 84 | function endgrent()
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| 85 | {
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| 86 | _gr_count = 0
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| 87 | }
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