# Setting up clang-format in VSCode In VSCode, install the C/C++ extension from the extensions menu. If you don't know how to find extensions, in the menu bar, go View > Extensions. ![](https://i.imgur.com/QcD4AKn.png) Open some folder to work in. For example, go File > Open, then choose a folder. The contents of your directory should appear in the explorer. ![](https://i.imgur.com/o3po4z0.png) Create a new file in the _root director_ called `.clang-format` ![](https://i.imgur.com/gMhCiHM.png) Paste in the following configuration, and **save**. ```yaml --- # options: https://clang.llvm.org/docs/ClangFormatStyleOptions.html BasedOnStyle: LLVM IndentWidth: 4 # Must be 80 characters or less! ColumnLimit: 80 # does (int) x instead of (int)x SpaceAfterCStyleCast: true # spaces, not tabs! UseTab: Never # if (x) doStuff() is not allowed, bad style AllowShortIfStatementsOnASingleLine: false # AlignTrailingComments: true SpacesBeforeTrailingComments: 3 # change the next line to All for Alistair's textbook style AlwaysBreakAfterReturnType: TopLevelDefinitions # #define SHORT_NAME 42 # #define LONGER_NAME 0x007f # does nice spacing for macros AlignConsecutiveMacros: Consecutive # use \n instead of \r\n UseCRLF: false ``` ## Format on save In settings (`CTRL-,` or `CMD-,`), you can turn on "Format On Save", by searching for it.