Add a code formatter

buildroot/bin/format_code

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+#
+# format_code [dir/file...]
+#
+
+HERE=`dirname $0`
+
+while [[ $# -gt 0 ]]; do
+
+  val="$1"
+
+  if [ -d "$val" ]; then
+
+    find $val -name *.cpp -exec "$HERE/uncrust" '{}' \;
+
+  elif [ -d "./Marlin/src/$val" ]; then
+
+    find "./Marlin/src/$val" -name *.cpp -exec "$HERE/uncrust" '{}' \;
+
+  elif [ -f "./Marlin/src/$val" ]; then
+
+    uncrust "./Marlin/src/$val"
+
+  elif [ -f "$val" ]; then
+
+    uncrust "$val"
+
+  fi
+
+done

buildroot/bin/uncrust

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+#
+# Run uncrustify for a file in-place
+#
+
+TMPDIR=`mktemp -d`
+
+# Reformat a single file to tmp/
+uncrustify -c ./buildroot/share/extras/uncrustify.cfg -f "$1" >$TMPDIR/uncrustify.out
+
+# Replace the original file
+cp "$TMPDIR/uncrustify.out" "$1"
+
+# Clean up, deliberately
+rm "$TMPDIR/uncrustify.out"
+rmdir "$TMPDIR"