vi: Add missing BSD header

system/vi/Kconfig

@@ -14,11 +14,17 @@ config SYSTEM_VI
 			- No word oriented operations.
 
 		Assumptions and Limitations:
-			- A VT100 host terminal is assumed.
+			- A VT100 host terminal is assumed.  At 115200 BAUD, screen
+			  update times with a 24x64 edit region are noticeable but
+			  acceptable.
 			- A fixed width character set (like Courier) is assumed
 			- Files are edited in memory so unless you have a lot of memory
 			  to spare, this editor will only be useful for very small files.
 
+		Size: As of 2013-01-30, it appears that the size will vary from
+		about 8.5 to 10.5KB, depending upon the efficiency of the
+		underlying architecture.
+
 if SYSTEM_VI
 
 config SYSTEM_VI_COLS

system/vi/vi.c

@@ -1,3 +1,38 @@
+/****************************************************************************
+ * apps/system/vi/vi.c
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
 /****************************************************************************
  * Included Files
  ****************************************************************************/