style: replace astyle with clang-format

- Add .clang-format configuration matching existing style
- Update scripts/format.sh to use clang-format
- Update .pre-commit-config.yaml to use clang-format hook
- Reformat codebase with clang-format

Author: fangfufu

.clang-format

@@ -0,0 +1,41 @@
+Language: Cpp
+BasedOnStyle: LLVM
+IndentWidth: 4
+ColumnLimit: 80
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: false
+  AfterObjCDeclaration: false
+  AfterStruct: false
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+PointerAlignment: Right
+SpaceAfterCStyleCast: false
+SpaceBeforeParens: ControlStatements
+SpacesInParentheses: false
+DerivePointerAlignment: false
+IncludeBlocks: Preserve
+SortIncludes: false
+MaxEmptyLinesToKeep: 2
+TabWidth: 4
+UseTab: Never
+IndentCaseLabels: false
+AlignAfterOpenBracket: Align
+AlwaysBreakAfterReturnType: None
+AllowShortFunctionsOnASingleLine: None
+AllowShortBlocksOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+BinPackArguments: true
+BinPackParameters: true
+ContinuationIndentWidth: 4
+BreakBeforeBinaryOperators: All

.pre-commit-config.yaml

@@ -23,11 +23,5 @@ repos:
     hooks:
     -   id: clang-tidy
         args: ["-p=builddir", "--warnings-as-errors=*"]
--   repo: local
-    hooks:
-    -   id: format
-        name: format
-        entry: ./scripts/format.sh
-        language: script
-        pass_filenames: false
-        files: \.(c|h)$
+    -   id: clang-format
+        args: [-i]

scripts/format.sh

@@ -1,4 +1,4 @@
 #!/bin/sh
 
 cd "${MESON_SOURCE_ROOT}"
-astyle --style=kr --align-pointer=name --max-code-length=80 src/*.c src/*.h
+clang-format -i src/*.c src/*.h