/* vi: set sw=4 ts=4: * * whoami.c - Print effective user name * * Copyright 2012 Georgi Chorbadzhiyski * USE_WHOAMI(NEWTOY(whoami, NULL, TOYFLAG_USR|TOYFLAG_BIN)) config WHOAMI bool "whoami" default y help usage: whoami Print effective user name. */ #include "toys.h" void whoami_main(void) { struct passwd *pw = getpwuid(geteuid()); if (!pw) { perror("getpwuid"); toys.exitval = 1; return; } xputs(pw->pw_name); }