Mercurial > hg > toybox
view toys/whoami.c @ 522:33ce0407ea47
Add tac. (Shell wrapper is smaller, but all-in-one static binary is compelling use case.)
author | Rob Landley <rob@landley.net> |
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date | Sun, 04 Mar 2012 16:27:21 -0600 |
parents | b64064a044a4 |
children | 2247cdb73f2d |
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/* vi: set sw=4 ts=4: * * whoami.c - Print effective user id * * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org> * USE_WHOAMI(NEWTOY(whoami, NULL, TOYFLAG_USR|TOYFLAG_BIN)) config WHOAMI bool "whoami" default y help usage: whoami Print effective user id. */ #include "toys.h" void whoami_main(void) { struct passwd *pw = getpwuid(geteuid()); if (!pw) { perror("getpwuid"); toys.exitval = 1; return; } xputs(pw->pw_name); }