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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 |
| } |
|
|
