Add whoami.
diff --git a/toys/whoami.c b/toys/whoami.c
new file mode 100644
index 0000000..64ff295
--- /dev/null
+++ b/toys/whoami.c
@@ -0,0 +1,32 @@
+/* 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;
+ }
+
+ xprintf("%s\n", pw->pw_name);
+}