aboutsummaryrefslogtreecommitdiff
path: root/toys
diff options
context:
space:
mode:
Diffstat (limited to 'toys')
-rw-r--r--toys/logname.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/toys/logname.c b/toys/logname.c
new file mode 100644
index 00000000..b93e3366
--- /dev/null
+++ b/toys/logname.c
@@ -0,0 +1,29 @@
+/* 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);
+}