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author | Luis Felipe Strano Moraes <lfelipe@profusion.mobi> | 2012-02-06 16:29:09 -0800 |
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committer | Luis Felipe Strano Moraes <lfelipe@profusion.mobi> | 2012-02-06 16:29:09 -0800 |
commit | 5232ac079353fb3779e480b74e87c714af6ee707 (patch) | |
tree | 77fbf1b79b7ab693d67612dd230a91c7eca4da18 /toys | |
parent | b29d74ec2654984b9127f0bb826996d4c2938670 (diff) | |
download | toybox-5232ac079353fb3779e480b74e87c714af6ee707.tar.gz |
Initial version of who command.
Diffstat (limited to 'toys')
-rw-r--r-- | toys/who.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/toys/who.c b/toys/who.c new file mode 100644 index 00000000..b61d81f2 --- /dev/null +++ b/toys/who.c @@ -0,0 +1,38 @@ +/* vi: set sw=4 ts=4: + * + * who.c - display who is on the system + * + * Copyright 2012 ProFUSION Embedded Systems + * + * by Luis Felipe Strano Moraes <lfelipe@profusion.mobi> + * + * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/who.html + +USE_WHO(NEWTOY(who, NULL, TOYFLAG_BIN)) + +config WHO + bool "who" + default y + help + usage: who + + Print logged user information on system + +*/ + +#include "toys.h" +#include <utmpx.h> + +void who_main(void) +{ + struct utmpx *entry; + + setutxent(); + + while ((entry = getutxent())) { + if (entry->ut_type == USER_PROCESS) + printf("%s %s (%s)\n", entry->ut_user, entry->ut_line, entry->ut_host); + } + + endutxent(); +} |