Annotation of /trunk/mkinitrd-magellan/busybox/coreutils/who.c
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Revision 816 -
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Fri Apr 24 18:33:46 2009 UTC (15 years, 1 month ago) by niro
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File size: 2183 byte(s)
Fri Apr 24 18:33:46 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 2183 byte(s)
-updated to busybox-1.13.4
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /*---------------------------------------------------------------------- | ||
3 | * Mini who is used to display user name, login time, | ||
4 | * idle time and host name. | ||
5 | * | ||
6 | * Author: Da Chen <dchen@ayrnetworks.com> | ||
7 | * | ||
8 | * This is a free document; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU General Public License | ||
10 | * as published by the Free Software Foundation: | ||
11 | * http://www.gnu.org/copyleft/gpl.html | ||
12 | * | ||
13 | * Copyright (c) 2002 AYR Networks, Inc. | ||
14 | * | ||
15 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
16 | * | ||
17 | *---------------------------------------------------------------------- | ||
18 | */ | ||
19 | niro | 816 | /* BB_AUDIT SUSv3 _NOT_ compliant -- missing options -b, -d, -H, -l, -m, -p, -q, -r, -s, -t, -T, -u; Missing argument 'file'. */ |
20 | niro | 532 | |
21 | niro | 816 | #include "libbb.h" |
22 | niro | 532 | #include <utmp.h> |
23 | #include <time.h> | ||
24 | |||
25 | niro | 816 | static void idle_string(char *str6, time_t t) |
26 | niro | 532 | { |
27 | niro | 816 | t = time(NULL) - t; |
28 | niro | 532 | |
29 | niro | 816 | /*if (t < 60) { |
30 | str6[0] = '.'; | ||
31 | str6[1] = '\0'; | ||
32 | return; | ||
33 | }*/ | ||
34 | if (t >= 0 && t < (24 * 60 * 60)) { | ||
35 | sprintf(str6, "%02d:%02d", | ||
36 | (int) (t / (60 * 60)), | ||
37 | (int) ((t % (60 * 60)) / 60)); | ||
38 | return; | ||
39 | niro | 532 | } |
40 | niro | 816 | strcpy(str6, "old"); |
41 | niro | 532 | } |
42 | |||
43 | niro | 816 | int who_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
44 | int who_main(int argc UNUSED_PARAM, char **argv) | ||
45 | niro | 532 | { |
46 | niro | 816 | char str6[6]; |
47 | niro | 532 | struct utmp *ut; |
48 | struct stat st; | ||
49 | char *name; | ||
50 | niro | 816 | unsigned opt; |
51 | niro | 532 | |
52 | niro | 816 | opt_complementary = "=0"; |
53 | opt = getopt32(argv, "a"); | ||
54 | niro | 532 | |
55 | setutent(); | ||
56 | niro | 816 | printf("USER TTY IDLE TIME HOST\n"); |
57 | niro | 532 | while ((ut = getutent()) != NULL) { |
58 | niro | 816 | if (ut->ut_user[0] && (opt || ut->ut_type == USER_PROCESS)) { |
59 | time_t tmp; | ||
60 | niro | 532 | /* ut->ut_line is device name of tty - "/dev/" */ |
61 | name = concat_path_file("/dev", ut->ut_line); | ||
62 | niro | 816 | str6[0] = '?'; |
63 | str6[1] = '\0'; | ||
64 | if (stat(name, &st) == 0) | ||
65 | idle_string(str6, st.st_atime); | ||
66 | /* manpages say ut_tv.tv_sec *is* time_t, | ||
67 | * but some systems have it wrong */ | ||
68 | tmp = ut->ut_tv.tv_sec; | ||
69 | /* 15 chars for time: Nov 10 19:33:20 */ | ||
70 | printf("%-10s %-8s %-9s %-15.15s %s\n", | ||
71 | ut->ut_user, ut->ut_line, str6, | ||
72 | ctime(&tmp) + 4, ut->ut_host); | ||
73 | if (ENABLE_FEATURE_CLEAN_UP) | ||
74 | free(name); | ||
75 | niro | 532 | } |
76 | } | ||
77 | niro | 816 | if (ENABLE_FEATURE_CLEAN_UP) |
78 | endutent(); | ||
79 | return EXIT_SUCCESS; | ||
80 | niro | 532 | } |