Add .clang-format: LLVM style with IndentWidth of 4.

diff --git a/.clang-format b/.clang-format
new file mode 100644 (file)
index 0000000..74049cf
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,5 @@
+---
+# We'll use defaults from the LLVM style, but with 4 columns indentation.
+BasedOnStyle: LLVM
+IndentWidth: 4
+...