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|
| | BEGIN { |
| | |
| | _gr_awklib = "/usr/lib/awk/" |
| | } |
| |
|
| | function _gr_init( oldfs, oldrs, olddol0, grcat, |
| | using_fw, using_fpat, n, a, i) |
| | { |
| | if (_gr_inited) |
| | return |
| |
|
| | oldfs = FS |
| | oldrs = RS |
| | olddol0 = $0 |
| | using_fw = (PROCINFO["FS"] == "FIELDWIDTHS") |
| | using_fpat = (PROCINFO["FS"] == "FPAT") |
| | FS = ":" |
| | RS = "\n" |
| |
|
| | grcat = _gr_awklib "grcat" |
| | while ((grcat | getline) > 0) { |
| | if ($1 in _gr_byname) |
| | _gr_byname[$1] = _gr_byname[$1] "," $4 |
| | else |
| | _gr_byname[$1] = $0 |
| | if ($3 in _gr_bygid) |
| | _gr_bygid[$3] = _gr_bygid[$3] "," $4 |
| | else |
| | _gr_bygid[$3] = $0 |
| |
|
| | n = split($4, a, "[ \t]*,[ \t]*") |
| | for (i = 1; i <= n; i++) |
| | if (a[i] in _gr_groupsbyuser) |
| | _gr_groupsbyuser[a[i]] = _gr_groupsbyuser[a[i]] " " $1 |
| | else |
| | _gr_groupsbyuser[a[i]] = $1 |
| |
|
| | _gr_bycount[++_gr_count] = $0 |
| | } |
| | close(grcat) |
| | _gr_count = 0 |
| | _gr_inited++ |
| | FS = oldfs |
| | if (using_fw) |
| | FIELDWIDTHS = FIELDWIDTHS |
| | else if (using_fpat) |
| | FPAT = FPAT |
| | RS = oldrs |
| | $0 = olddol0 |
| | } |
| | function getgrnam(group) |
| | { |
| | _gr_init() |
| | return _gr_byname[group] |
| | } |
| | function getgrgid(gid) |
| | { |
| | _gr_init() |
| | return _gr_bygid[gid] |
| | } |
| | function getgruser(user) |
| | { |
| | _gr_init() |
| | return _gr_groupsbyuser[user] |
| | } |
| | function getgrent() |
| | { |
| | _gr_init() |
| | if (++_gr_count in _gr_bycount) |
| | return _gr_bycount[_gr_count] |
| | return "" |
| | } |
| | function endgrent() |
| | { |
| | _gr_count = 0 |
| | } |
| |
|
