1 files changed, 46 insertions, 0 deletions
diff --git a/toys/posix/who.c b/toys/posix/who.c
new file mode 100644
index 00000000..d407c6b2
--- /dev/null
+++ b/toys/posix/who.c
@@ -0,0 +1,46 @@
+/* vi: set sw=4 ts=4:
+ *
+ * who.c - display who is on the system
+ *
+ * Copyright 2012 ProFUSION Embedded Systems
+ *
+ * by Luis Felipe Strano Moraes <lfelipe@profusion.mobi>
+ *
+ * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/who.html
+
+USE_WHO(NEWTOY(who, NULL, TOYFLAG_BIN))
+
+config WHO
+	bool "who"
+	default n
+	help
+	  usage: who
+
+	  Print logged user information on system
+
+*/
+
+#include "toys.h"
+
+void who_main(void)
+{
+    struct utmpx *entry;
+
+    setutxent();
+
+    while ((entry = getutxent())) {
+        if (entry->ut_type == USER_PROCESS) {
+            time_t time;
+            int time_size;
+            char * times;
+
+            time = entry->ut_tv.tv_sec;
+            times = ctime(&time);
+            time_size = strlen(times) - 2;
+            printf("%s\t%s\t%*.*s\t(%s)\n", entry->ut_user, entry->ut_line, time_size, time_size, ctime(&time), entry->ut_host);
+
+        }
+    }
+
+    endutxent();
+}