lota/.clang-format at main · szymonwilczek/lota · GitHub

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# SPDX-License-Identifier: GPL-2.0-only
#
#   https://www.kernel.org/doc/html/v4.18/process/clang-format.html
#   https://clang.llvm.org/docs/ClangFormatStyleOptions.html
---
BasedOnStyle: LLVM

# Dimensions
ColumnLimit: 80
IndentWidth: 8
ContinuationIndentWidth: 8
TabWidth: 8
UseTab: Always

# Brace placement
BreakBeforeBraces: Custom
BraceWrapping:
  AfterClass: false
  AfterControlStatement: false
  AfterEnum: false
  AfterFunction: true
  AfterNamespace: true
  AfterStruct: false
  AfterUnion: false
  AfterExternBlock: false
  BeforeCatch: false
  BeforeElse: false
  IndentBraces: false
  SplitEmptyFunction: true
  SplitEmptyRecord: true
  SplitEmptyNamespace: true

# Never collapse this:
# block, case, function, if or loop onto one line
AllowShortBlocksOnASingleLine: Never
AllowShortCaseLabelsOnASingleLine: false
AllowShortEnumsOnASingleLine: false
AllowShortFunctionsOnASingleLine: None
AllowShortIfStatementsOnASingleLine: Never
AllowShortLoopsOnASingleLine: false

# Parameter / argument wrapping
AlignAfterOpenBracket: Align
AllowAllArgumentsOnNextLine: false
AllowAllParametersOfDeclarationOnNextLine: false
BinPackArguments: true
BinPackParameters: true
AlignOperands: Align
AlignEscapedNewlines: Left
AlignConsecutiveAssignments: false
AlignConsecutiveDeclarations: false
AlignTrailingComments:
  Kind: Never

# Pointer binds to the identifier: `int *p`
DerivePointerAlignment: false
PointerAlignment: Right

# Spacing
SpaceAfterCStyleCast: false
SpaceBeforeAssignmentOperators: true
SpaceBeforeParens: ControlStatementsExceptControlMacros
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInParentheses: false
SpacesInSquareBrackets: false
SpacesInCStyleCastParentheses: false

# Comments, includes, blank lines
CommentPragmas: '^ IWYU pragma:'
ReflowComments: false
SortIncludes: false
IncludeBlocks: Preserve
KeepEmptyLinesAtTheStartOfBlocks: false
MaxEmptyLinesToKeep: 1

# Statement
BreakBeforeBinaryOperators: None
BreakBeforeTernaryOperators: false
BreakStringLiterals: false
Cpp11BracedListStyle: false
IndentCaseLabels: false
IndentGotoLabels: false
IndentPPDirectives: None
IndentWrappedFunctionNames: false

# Iterator macros that take a loop body (libbpf):
# treat like a for loop
ForEachMacros:
  - 'bpf_object__for_each_program'
  - 'bpf_object__for_each_map'

# Penalties
# Taken from the Linux kernel & git configuration
PenaltyBreakAssignment: 10
PenaltyBreakBeforeFirstCallParameter: 30
PenaltyBreakComment: 10
PenaltyBreakFirstLessLess: 0
PenaltyBreakString: 10
PenaltyExcessCharacter: 100
PenaltyReturnTypeOnItsOwnLine: 60
...