From 82d6eed523b5c102d826b66e21c03f5577199714 Mon Sep 17 00:00:00 2001
From: Scott Worley <scottworley@scottworley.com>
Date: Wed, 30 Dec 2015 23:13:51 -0800
Subject: [PATCH] Include guards & move non-header stuff out of header.

---
 sliding_tile_lib.cc | 20 ++++++++++++++++++++
 sliding_tile_lib.h  | 24 ++++++------------------
 2 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/sliding_tile_lib.cc b/sliding_tile_lib.cc
index e69de29..4b422c1 100644
--- a/sliding_tile_lib.cc
+++ b/sliding_tile_lib.cc
@@ -0,0 +1,20 @@
+#include "sliding_tile_lib.h"
+
+signed char adjacent[BOARD_SIZE][5] = {
+  1,   4,   -1,  -1,  -1,
+  0,   2,   5,   -1,  -1,
+  1,   3,   6,   -1,  -1,
+  2,   7,   -1,  -1,  -1,
+  0,   5,   8,   -1,  -1,
+  1,   4,   6,   9,   -1,
+  2,   5,   7,   10,  -1,
+  3,   6,   11,  -1,  -1,
+  4,   9,   12,  -1,  -1,
+  5,   8,   10,  13,  -1,
+  6,   9,   11,  14,  -1,
+  7,   10,  15,  -1,  -1,
+  8,   13,  -1,  -1,  -1,
+  9,   12,  14,  -1,  -1,
+  10,  13,  15,  -1,  -1,
+  11,  14,  -1,  -1,  -1,
+};
diff --git a/sliding_tile_lib.h b/sliding_tile_lib.h
index 7b16a51..7e6004b 100644
--- a/sliding_tile_lib.h
+++ b/sliding_tile_lib.h
@@ -1,20 +1,8 @@
+#ifndef _SLIDING_TILE_LIB_H
+#define _SLIDING_TILE_LIB_H
+
 const int BOARD_DIM = 4;
 const int BOARD_SIZE = BOARD_DIM * BOARD_DIM;
-signed char adjacent[BOARD_SIZE][5] = {
-  1,   4,   -1,  -1,  -1,
-  0,   2,   5,   -1,  -1,
-  1,   3,   6,   -1,  -1,
-  2,   7,   -1,  -1,  -1,
-  0,   5,   8,   -1,  -1,
-  1,   4,   6,   9,   -1,
-  2,   5,   7,   10,  -1,
-  3,   6,   11,  -1,  -1,
-  4,   9,   12,  -1,  -1,
-  5,   8,   10,  13,  -1,
-  6,   9,   11,  14,  -1,
-  7,   10,  15,  -1,  -1,
-  8,   13,  -1,  -1,  -1,
-  9,   12,  14,  -1,  -1,
-  10,  13,  15,  -1,  -1,
-  11,  14,  -1,  -1,  -1,
-};
+extern signed char adjacent[BOARD_SIZE][5];
+
+#endif /* _SLIDING_TILE_LIB_H */
-- 
2.44.1