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authorGeorgi Chorbadzhiyski <gf@unixsol.org>2012-03-04 01:26:48 -0600
committerGeorgi Chorbadzhiyski <gf@unixsol.org>2012-03-04 01:26:48 -0600
commit0d20c93b888ec75974c26bf4de6a05d62606a5fa (patch)
treeb512cf3c3834a38aefb835dd5faefc835f020dc6 /toys/whoami.c
parent2c27fcfa8d1509567d39851dad8f847c70bcdfb7 (diff)
downloadtoybox-0d20c93b888ec75974c26bf4de6a05d62606a5fa.tar.gz
Add whoami.
Diffstat (limited to 'toys/whoami.c')
-rw-r--r--toys/whoami.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/toys/whoami.c b/toys/whoami.c
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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;
+ }
+
+ xprintf("%s\n", pw->pw_name);
+}