Fix CI workflows and add POSIX feature defines #1

	name: Test CI

	on:
	push:
	branches: [main]
	paths:
	- 'src/*/.c'
	- 'include/*/.h'
	- 'tests/*/.c'
	- '.github/workflows/test-ci.yml'
	pull_request:
	branches: [main]
	paths:
	- 'src/*/.c'
	- 'include/*/.h'
	- 'tests/*/.c'
	- '.github/workflows/test-ci.yml'

	jobs:
	format-check:
	name: Format Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Check code formatting
	run: \|
	docker run --rm -v "$(pwd):/workspace" -w /workspace \
	ghcr.io/jidicula/clang-format:15 \
	--dry-run --Werror src/shell.c src/parser.c include/shell.h

	cppcheck:
	name: Static Analysis
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install cppcheck
	run: \|
	sudo apt-get update
	sudo apt-get install -y cppcheck
	- name: Run cppcheck
	run: \|
	if find src/ include/ -type f $ -name ".c" -o -name ".h" $ 2>/dev/null \| grep -q .; then
	cppcheck --enable=all --suppress=missingIncludeSystem \
	-I include --error-exitcode=1 src/ include/
	fi

	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y build-essential
	- name: Build shell
	run: \|
	gcc -Wall -Wextra -std=c11 -D_POSIX_C_SOURCE=200809L -Iinclude src/shell.c src/parser.c -o shell
	- name: Build tests
	run: \|
	cd tests && make

	test:
	name: Test
	runs-on: ubuntu-latest
	needs: build
	steps:
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y build-essential
	- name: Build and run tests
	run: \|
	cd tests && make test

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