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# clang-format
[clang-format](https://clang.llvm.org/docs/ClangFormat.html) is a tool to reformat C/C++ to the right coding style.
## Run Locally
The mozlint integration of clang-format can be run using mach:
```{eval-rst}
.. parsed-literal::
$ mach lint --linter clang-format <file paths>
```
## Configuration
To enable clang-format on new directory, add the path to the include
section in the {searchfox}`clang-format.yml <tools/lint/clang-format.yml>` file.
While excludes: will work, this linter will read the ignore list from {searchfox}`.clang-format-ignore file <.clang-format-ignore>`
at the root directory.
## Autofix
clang-format can reformat the code with the option `--fix` (based on the upstream option `-i`).
To highlight the results, we are using the `--dry-run` option (from clang-format 10).
## Sources
- {searchfox}`Configuration (YAML) <tools/lint/clang-format.yml>`
- {searchfox}`Source <tools/lint/clang-format/__init__.py>`