From 842d3d17c507823e83e4b6aaa99e889b74528ed2 Mon Sep 17 00:00:00 2001 From: Elie De Brauwer Date: Sat, 14 Apr 2012 19:55:13 +0200 Subject: Adding logname --- toys/logname.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 toys/logname.c (limited to 'toys') diff --git a/toys/logname.c b/toys/logname.c new file mode 100644 index 00000000..b93e3366 --- /dev/null +++ b/toys/logname.c @@ -0,0 +1,29 @@ +/* vi: set sw=4 ts=4: + * + * logname.c - Print user's login name. + * + * Copyright 2012 Elie De Brauwer + * + * 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); +} -- cgit v1.2.3