From 4b671e51cddf8c1ea0b06831594389f2f85e45b7 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Tue, 4 Jan 2022 18:03:35 +0100
Subject: [PATCH 1/3] Add basic editorconfig file

.editorconfig:
Add basic editorconfig file that enforces tabs of indent size 4 on all
C and C++ files and Unix-style line feeds and a final newline on all
files.
---
 .editorconfig | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 .editorconfig

diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..c2591ed
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,11 @@
+# EditorConfig: https://editorconfig.org
+
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.{c,cc,cpp,h}]
+indent_style = tab
+indent_size = 4

From 2a8a31e1e2548cae2a82a1df64bce77aad57a2e1 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Tue, 4 Jan 2022 18:06:50 +0100
Subject: [PATCH 2/3] Add a clang-format configuration

.clang-format:
Add a clang-format configuration file based on the WebKit style, that
enforces a 120 char column length and tabs for indentation (of length
four).
---
 .clang-format | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 .clang-format

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..2c9b0e0
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,7 @@
+---
+BasedOnStyle:  WebKit
+AlignAfterOpenBracket: Align
+ColumnLimit: 120
+CompactNamespaces: true
+TabWidth: 4
+UseTab: ForIndentation

From 45f82937bb689a686b864e9ea799f266e211ed18 Mon Sep 17 00:00:00 2001
From: David Runge <dave@sleepmap.de>
Date: Tue, 4 Jan 2022 18:40:41 +0100
Subject: [PATCH 3/3] Add github workflow for checking code formatting

.github/workflows/format.yml:
Add github workflow for checking code formatting, which runs
clang-format in a container and fails if there need to be changes to the
formatting.
---
 .github/workflows/format.yml | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 .github/workflows/format.yml

diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
new file mode 100644
index 0000000..95c5b80
--- /dev/null
+++ b/.github/workflows/format.yml
@@ -0,0 +1,29 @@
+---
+
+name: Check for correct formatting
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  check_formatting:
+    runs-on: ubuntu-latest
+    container:
+      image: archlinux:latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install dependencies
+        run: pacman --noconfirm -Syu diffutils findutils clang
+      - name: Run clang-format on all C and C++ sources
+        run: |
+          cp -av ../jack-example-tools ../jack-example-tools.orig
+          find . -type f \( -iname "*.c" -or -iname "*.cc" -or -iname "*.cpp" -or -iname "*.h" \) -exec clang-format -i {} \;
+      - name: Check whether there are differences
+        run: |
+          if test -n "$(diff -ruN ../jack-example-tools.orig ../jack-example-tools)"; then
+            diff -ruN ../jack-example-tools.orig ../jack-example-tools
+            exit 1
+          fi