Fixes for warnings detected by SonarCloud #364

	name: Build
	on:
	push:
	branches:
	- master
	pull_request:
	types: [opened, synchronize, reopened]
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	env:
	BUILD_WRAPPER_OUT_DIR: build_wrapper_output_directory
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
	- name: Set up JDK 17
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '17'
	- name: Set up Python 3.8 for gcovr
	uses: actions/setup-python@v5
	with:
	python-version: 3.8
	- name: Set up Node.js 20
	uses: actions/setup-node@v4
	with:
	node-version: 20
	- name: install gcovr 7.0
	run: \|
	pip install gcovr==7.0 # 5.1 is not supported
	- name: Run tests to generate coverage statistics
	run: \|
	chmod 755 coverage
	./coverage
	- name: Install sonar-scanner and build-wrapper
	uses: SonarSource/sonarcloud-github-c-cpp@v3
	- name: Run build-wrapper
	run: \|
	build-wrapper-linux-x86-64 --out-dir ${{ env.BUILD_WRAPPER_OUT_DIR }} make clean all
	- name: Run sonar-scanner
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
	run: \|
	sonar-scanner \
	--define sonar.cfamily.build-wrapper-output="${{ env.BUILD_WRAPPER_OUT_DIR }}" \
	--define sonar.organization=alpertron \
	--define sonar.coverageReportPaths=coverage.xml

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