[Companion] Copyright added to all files

tools/include-guard.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+from __future__ import print_function
+
+import sys
+import os
+
+for filename in sys.argv[1:]:
+    with open(filename, "r") as f:
+        lines = f.readlines()
+
+    newguard = "_" + os.path.basename(filename).upper().replace(".", "_") + "_"
+
+    for i, line in enumerate(lines):
+        line = line.strip()
+        if line.startswith("#ifndef "):
+            guard = line[8:]
+            if lines[i + 1].strip() == "#define %s" % guard:
+                print(filename, ":", guard, "=>", newguard)
+                lines[i] = "#ifndef %s\n" % newguard
+                lines[i + 1] = "#define %s\n" % newguard
+                end = -1
+                while not lines[end].strip().startswith("#endif"):
+                    end -= 1
+                lines[end] = "#endif // %s\n" % newguard
+                with open(filename, "w") as f:
+                    f.write("".join(lines))
+                break