Merge pull request #255 from P403n1x87/style/clang-format

style: check C style

Author: P403n1x87

.clang-format

@@ -0,0 +1,40 @@
+---
+BasedOnStyle: LLVM
+
+AlignAfterOpenBracket: BlockIndent
+
+AlignArrayOfStructures: Left
+
+AlignConsecutiveAssignments:
+  Enabled: true
+  AcrossComments: true
+  AlignCompound: true
+
+AlignConsecutiveDeclarations:
+  Enabled: true
+  AcrossComments: true
+
+AlignConsecutiveMacros:
+  Enabled: true
+  AcrossComments: true
+
+AlignEscapedNewlines: LeftWithLastLine
+
+AlignOperands: AlignAfterOperator
+
+AlignTrailingComments:
+  Kind: Always
+
+AllowShortBlocksOnASingleLine: Always
+
+BreakAfterReturnType: All
+
+BreakBeforeBinaryOperators: All
+
+ColumnLimit: 120
+
+ContinuationIndentWidth: 4
+
+IndentWidth: 4
+
+PointerAlignment: Left

.github/workflows/checks.yml

@@ -78,6 +78,18 @@ jobs:
       - name: Check source code spelling
         run: codespell -I .github/workflows/wordlist.txt -S "src/python/*" src
 
+  formatting-sources:
+    runs-on: ubuntu-24.04
+    name: Formatting (sources)
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install clang-format
+        run: pip install clang-format
+
+      - name: Check formatting
+        run: find src -name "*.c" -o -name "*.h" | xargs clang-format -style=file --dry-run --Werror
+
   formatting-tests:
     runs-on: ubuntu-24.04
     name: Formatting (tests)

scripts/format.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -e
+
+find src -iname '*.h' -o -iname '*.c' | xargs clang-format -i