Mercurial > hg > toybox
view toys/logname.c @ 624:1e8b9acdafeb
Genericize llist code a bit: rename llist_free() to llist_traverse(), and no longer accept NULL as a synonym for free.
author | Rob Landley <rob@landley.net> |
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date | Sun, 15 Jul 2012 17:22:04 -0500 |
parents | d5fb52b428ed |
children |
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/* vi: set sw=4 ts=4: * * logname.c - Print user's login name. * * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> * * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/logname.html USE_LOGNAME(NEWTOY(logname, ">0", TOYFLAG_BIN)) config LOGNAME bool "logname" default y help usage: logname Prints the calling user's name or an error when this cannot be determined. */ #include "toys.h" void logname_main(void) { if (getlogin_r(toybuf, sizeof(toybuf))){ error_exit("no login name"); } xputs(toybuf); }