Init simple C project with GitHub Actions CI

.clang-format

@@ -0,0 +1,3 @@
+BasedOnStyle: Chromium
+IndentWidth: 4
+ColumnLimit: 100

.clang-tidy

@@ -0,0 +1,12 @@
+Checks: >
+  -*,
+  clang-analyzer-*,
+  bugprone-*,
+  performance-*,
+  readability-*,
+  modernize-*,
+  -modernize-use-trailing-return-type,
+  -readability-magic-numbers,
+  -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling
+HeaderFilterRegex: 'src/.*'
+WarningsAsErrors: ''

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: CI
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
+on:
+  push:
+    branches: [dev, main]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build
+        run: make
+
+      - name: Run
+        run: ./hello

.github/workflows/lint.yaml

@@ -0,0 +1,46 @@
+name: Lint
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+
+on:
+  push:
+    branches: [dev, main]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Install clang tools
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang-format clang-tidy
+
+      - name: Static analysis (clang-tidy)
+        run: |
+          find . -type f \( -name '*.c' -o -name '*.cpp' -o -name '*.h' -o -name '*.hpp' \) \
+            | xargs -I {} clang-tidy {} -- -Isrc
+
+      - name: Check formatting (clang-format)
+        run: |
+          find . -type f \( -name '*.c' -o -name '*.cpp' -o -name '*.h' -o -name '*.hpp' \) \
+            | xargs clang-format -i
+
+      - name: Commit if changes
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add -A
+          if ! git diff --cached --quiet; then
+            git commit -m "chore: auto-format code [skip ci]"
+            git push
+          fi

.github/workflows/pre-commit.yaml

@@ -0,0 +1,50 @@
+name: pre-commit
+
+on:
+  push:
+    branches: [dev, main]
+  pull_request:
+    branches: [dev, main]
+  workflow_call:
+    inputs:
+      working-directory:
+        type: string
+        required: false
+        default: '.'
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        id: setup-python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+          cache: 'pip'
+
+      - uses: actions/cache@v4
+        with:
+          path: ~/.cache/pre-commit
+          key: >
+            ${{ format('pre-commit-{0}-{1}',
+            steps.setup-python.outputs.python-version,
+            hashFiles('.pre-commit-config.yaml')
+            ) }}
+
+      - name: Install pre-commit
+        run: |
+          pip install --upgrade pip
+          pip install pre-commit
+          pre-commit install
+
+      - name: Run pre-commit hooks
+        working-directory: ${{ inputs.working-directory }}
+        run: |
+          git ls-files | xargs pre-commit run \
+                         --show-diff-on-failure \
+                         --color=always \
+                         --files

.gitignore

@@ -53,3 +53,4 @@ dkms.conf
 
 # debug information files
 *.dwo
+hello

.pre-commit-config.yaml

@@ -0,0 +1,22 @@
+repos:
+-   repo: https://github.com/google/yapf.git
+    rev: v0.43.0
+    hooks:
+    -   id: yapf
+        additional_dependencies: [toml]
+-   repo: https://github.com/pre-commit/pre-commit-hooks.git
+    rev: v6.0.0
+    hooks:
+    -   id: trailing-whitespace
+        exclude: \.fits
+    -   id: end-of-file-fixer
+        exclude: \.fits
+    -   id: check-yaml
+    -   id: debug-statements
+    -   id: name-tests-test
+        exclude: conftestaux/
+    -   id: requirements-txt-fixer
+-   repo: https://github.com/pre-commit/mirrors-clang-format
+    rev: v22.1.1
+    hooks:
+    -   id: clang-format

Makefile

@@ -0,0 +1,14 @@
+CC      = gcc
+CFLAGS  = -Wall -Wextra -Isrc
+SRCS    = src/main.c src/mylib.c
+TARGET  = hello
+
+.PHONY: all clean
+
+all: $(TARGET)
+
+$(TARGET): $(SRCS)
+	$(CC) $(CFLAGS) -o $@ $^
+
+clean:
+	rm -f $(TARGET)

src/main.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include "mylib.h"
+
+int main(void) {
+    int x = 3;
+    printf("%s\n", greet("World"));
+    return 0;
+}

src/mylib.c

@@ -0,0 +1,11 @@
+#include "mylib.h"
+#include <stdio.h>
+
+#define BUF_SIZE 256
+
+static _Thread_local char buf[BUF_SIZE];
+
+const char* greet(const char* name) {
+    snprintf(buf, BUF_SIZE, "Hello, %s!", name);
+    return buf;
+}

src/mylib.h

@@ -0,0 +1,7 @@
+#ifndef MYLIB_H
+#define MYLIB_H
+
+/* Returns a greeting string for the given name. */
+const char* greet(const char* name);
+
+#endif /* MYLIB_H */