This allows developers to auto-format the C code with clang-format.
It’s not 100% accurate, but works pretty well for most of the C code.
--- /dev/null
+Language: Cpp
+BasedOnStyle: LLVM
+AlignEscapedNewlinesLeft: true
+AlwaysBreakAfterReturnType: TopLevelDefinitions
+BreakBeforeBinaryOperators: All
+BreakBeforeBraces: GNU
+ColumnLimit: 80
+ContinuationIndentWidth: 2
+ForEachMacros: [FOR_EACH_TAIL, FOR_EACH_TAIL_SAFE]
+IncludeCategories:
+ - Regex: '^<config\.h>$'
+ Priority: -1
+ - Regex: '^<'
+ Priority: 1
+ - Regex: '^"lisp\.h"$'
+ Priority: 2
+ - Regex: '.*'
+ Priority: 3
+KeepEmptyLinesAtTheStartOfBlocks: false
+MaxEmptyLinesToKeep: 1
+PenaltyBreakBeforeFirstCallParameter: 2000
+SpaceAfterCStyleCast: true
+SpaceBeforeParens: Always
+
+# Local Variables:
+# mode: yaml
+# End: