Added timestamp to gotty prompt

src/time.c

@@ -0,0 +1,43 @@
+/*
+ * Go TTY - The Really Simple Terminal Application
+ *
+ * Copyright (c) 2014  Martin Lund
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+char * current_time(void)
+{
+    static char time_string[20];
+    time_t t;
+    struct tm *tmp;
+
+    t = time(NULL);
+    tmp = localtime(&t);
+    if (tmp == NULL)
+    {
+        perror("localtime");
+        exit(EXIT_FAILURE);
+    }
+
+    strftime(time_string, sizeof(time_string), "%H:%M:%S", tmp);
+
+    return time_string;
+}