| /* 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); |
| } |