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who: make the output more like coreutils who.

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Also add a TODO for the (undocumented, half-finished) -a option.
This commit is contained in:
Elliott Hughes 2019-01-31 13:11:47 -08:00 committed by Rob Landley
parent 354cc6aa0c
commit fa8a717bb9
1 changed files with 8 additions and 11 deletions
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19
toys/posix/who.c
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@ -8,6 +8,8 @@
*
* Posix says to support many options (-abdHlmpqrstTu) but this
* isn't aimed at minicomputers with modem pools.
*
* TODO: -a doesn't know how to format other entries
USE_WHO(NEWTOY(who, "a", TOYFLAG_USR|TOYFLAG_BIN))
@ -18,7 +20,7 @@ config WHO
help
usage: who
Print logged user information on system
Print information about logged in users.
*/
#define FOR_who
@ -29,20 +31,15 @@ void who_main(void)
struct utmpx *entry;
setutxent();
while ((entry = getutxent())) {
if (FLAG(a) || entry->ut_type == USER_PROCESS) {
time_t time;
int time_size;
char *times;
time_t t = entry->ut_tv.tv_sec;
struct tm *tm = localtime(&t);
time = entry->ut_tv.tv_sec;
times = ctime(&time);
time_size = strlen(times) - 2;
printf("%s\t%s\t%*.*s\t(%s)\n", entry->ut_user, entry->ut_line,
time_size, time_size, ctime(&time), entry->ut_host);
strftime(toybuf, sizeof(toybuf), "%F %H:%M", tm);
printf("%s\t%s\t%s (%s)\n", entry->ut_user, entry->ut_line,
toybuf, entry->ut_host);
}
}
endutxent();
}