In encoding functions, compare the size of the transferred buffer with the really required size, not the maximum size #176

	# Run code formatting

	name: Artistic Style

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "unit-test"
	astyle:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	# Install Artistic Style
	- name: Install Astyle
	run: \|
	wget -q https://sourceforge.net/projects/astyle/files/astyle/astyle%203.1/astyle_3.1_linux.tar.gz/download -O astyle.tar.gz
	tar -xvf astyle.tar.gz
	cd astyle
	mkdir as-gcc-exe
	cd as-gcc-exe
	cmake ../
	make
	sudo make install
	cd ../../

	# Run Artistic Style
	- name: Run Astyle
	run: astyle --project=".astylerc" --recursive "src/.c" "src/.h" "test/*.c"

	# Check output
	- name: Check formatting
	run: git diff --exit-code --diff-filter=d --color

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