Annotation of /trunk/mkinitrd-magellan/busybox/coreutils/who.c
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Revision 984 -
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Sun May 30 11:32:42 2010 UTC (14 years ago) by niro
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File size: 2165 byte(s)
Sun May 30 11:32:42 2010 UTC (14 years ago) by niro
File MIME type: text/plain
File size: 2165 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
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 | |||
24 | niro | 816 | static void idle_string(char *str6, time_t t) |
25 | niro | 532 | { |
26 | niro | 816 | t = time(NULL) - t; |
27 | niro | 532 | |
28 | niro | 816 | /*if (t < 60) { |
29 | str6[0] = '.'; | ||
30 | str6[1] = '\0'; | ||
31 | return; | ||
32 | }*/ | ||
33 | if (t >= 0 && t < (24 * 60 * 60)) { | ||
34 | sprintf(str6, "%02d:%02d", | ||
35 | (int) (t / (60 * 60)), | ||
36 | (int) ((t % (60 * 60)) / 60)); | ||
37 | return; | ||
38 | niro | 532 | } |
39 | niro | 816 | strcpy(str6, "old"); |
40 | niro | 532 | } |
41 | |||
42 | niro | 816 | int who_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
43 | int who_main(int argc UNUSED_PARAM, char **argv) | ||
44 | niro | 532 | { |
45 | niro | 816 | char str6[6]; |
46 | niro | 532 | struct utmp *ut; |
47 | struct stat st; | ||
48 | char *name; | ||
49 | niro | 816 | unsigned opt; |
50 | niro | 532 | |
51 | niro | 816 | opt_complementary = "=0"; |
52 | opt = getopt32(argv, "a"); | ||
53 | niro | 532 | |
54 | setutent(); | ||
55 | niro | 816 | printf("USER TTY IDLE TIME HOST\n"); |
56 | niro | 532 | while ((ut = getutent()) != NULL) { |
57 | niro | 816 | if (ut->ut_user[0] && (opt || ut->ut_type == USER_PROCESS)) { |
58 | time_t tmp; | ||
59 | niro | 532 | /* ut->ut_line is device name of tty - "/dev/" */ |
60 | name = concat_path_file("/dev", ut->ut_line); | ||
61 | niro | 816 | str6[0] = '?'; |
62 | str6[1] = '\0'; | ||
63 | if (stat(name, &st) == 0) | ||
64 | idle_string(str6, st.st_atime); | ||
65 | /* manpages say ut_tv.tv_sec *is* time_t, | ||
66 | * but some systems have it wrong */ | ||
67 | tmp = ut->ut_tv.tv_sec; | ||
68 | /* 15 chars for time: Nov 10 19:33:20 */ | ||
69 | printf("%-10s %-8s %-9s %-15.15s %s\n", | ||
70 | ut->ut_user, ut->ut_line, str6, | ||
71 | ctime(&tmp) + 4, ut->ut_host); | ||
72 | if (ENABLE_FEATURE_CLEAN_UP) | ||
73 | free(name); | ||
74 | niro | 532 | } |
75 | } | ||
76 | niro | 816 | if (ENABLE_FEATURE_CLEAN_UP) |
77 | endutent(); | ||
78 | return EXIT_SUCCESS; | ||
79 | niro | 532 | } |