consistent formatting

.clang-format

@@ -0,0 +1,98 @@
+# 1
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+IndentPPDirectives: AfterHash # Unknown to clang-format-5.0
+PPIndentWidth: 1
+AccessModifierOffset: -4
+
+# 2
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+ColumnLimit: 80
+BreakStringLiterals: false
+AlignAfterOpenBracket: Align
+BinPackArguments: false
+BinPackParameters: true
+InsertTrailingCommas: Wrapped
+ExperimentalAutoDetectBinPacking: false
+AllowAllParametersOfDeclarationOnNextLine: true
+ContinuationIndentWidth: 4
+
+# 3
+BreakBeforeBraces: Linux
+MaxEmptyLinesToKeep: 1
+KeepEmptyLinesAtTheStartOfBlocks: false
+IndentCaseBlocks: false
+IndentCaseLabels: false
+Cpp11BracedListStyle: false
+
+# 3.1
+SpaceBeforeParens: Custom
+SpaceBeforeParensOptions:
+  AfterControlStatements: true
+  AfterFunctionDefinitionName: false
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInContainerLiterals: false
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+AlignArrayOfStructures: None
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignConsecutiveMacros: Consecutive
+AlignEscapedNewlines: Left # Unknown to clang-format-4.0
+AlignOperands: Align
+BreakBeforeBinaryOperators: NonAssignment
+AlignTrailingComments: true
+
+# 7
+PointerAlignment: Right
+DerivePointerAlignment: false
+
+# 14
+Standard: Cpp03
+
+# unsorted
+
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: false
+BreakBeforeTernaryOperators: true
+DisableFormat: false
+#FixNamespaceComments: false # Unknown to clang-format-4.0
+
+IncludeBlocks: Regroup # Unknown to clang-format-5.0
+IndentWrappedFunctionNames: false
+MacroBlockBegin: ''
+MacroBlockEnd: ''
+NamespaceIndentation: None
+#ObjCBinPackProtocolList: Auto # Unknown to clang-format-5.0
+ObjCBlockIndentWidth: 4
+ObjCSpaceAfterProperty: true
+ObjCSpaceBeforeProtocolList: true
+
+#PenaltyBreakAssignment: 10 # Unknown to clang-format-4.0
+PenaltyBreakBeforeFirstCallParameter: 30
+PenaltyBreakComment: 10
+PenaltyBreakFirstLessLess: 0
+PenaltyBreakString: 10
+PenaltyExcessCharacter: 100
+PenaltyReturnTypeOnItsOwnLine: 60
+
+ReflowComments: false
+SeparateDefinitionBlocks: Always
+SortIncludes: CaseInsensitive
+#SortUsingDeclarations: false # Unknown to clang-format-4.0
+
+Cpp11BracedListStyle: true # bad but reduces initial diff
+IndentExternBlock: NoIndent

.git-blame-ignore-revs

@@ -0,0 +1,2 @@
+cf83bf3cb9108370bef19284278152e14acb115a
+390d81c8b7247afe28c4316174d6fba2d617f25b

.github/format.sh

@@ -0,0 +1,9 @@
+#!/bin/bash -efux
+
+PREFIX=$HOME/opt
+PATH=$PREFIX/bin:$PATH
+
+list=$(git ls-tree --name-only -r HEAD | grep -v ecp_id_.* | grep -v gost_grasshopper_precompiled.c | grep -v ^e_gost_err | grep '[.][ch]$')
+clang-format -i $list
+diffLen=$(git diff | wc -l)
+test 0 -eq $diffLen || exit 1

.github/workflows/ci.yml

@@ -99,3 +99,11 @@ jobs:
             - run: .github/before_script.sh
             - run: .github/script.sh
 
+    clang-format:
+        runs-on: ubuntu-22.04
+        env:
+            APT_INSTALL: clang-format
+        steps:
+            - uses: actions/checkout@v2
+            - run: .github/format.sh
+