Add NDIS team's clang-format conventions

This needs clang-format 9. This reveals a lot of other things we should
clean up.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://community.osr.com/discussion/291376/clang-format-and-driver-code

.clang-format

@@ -0,0 +1,101 @@
+AccessModifierOffset: -4
+AlignAfterOpenBracket: AlwaysBreak
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: DontAlign
+AlignOperands: true
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterReturnType: TopLevel
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: false
+BinPackParameters: false
+BraceWrapping:
+    AfterClass: true
+    AfterControlStatement: true
+    AfterEnum: true
+    AfterFunction: true
+    AfterNamespace: false
+    AfterStruct: true
+    AfterUnion: true
+    AfterExternBlock: false
+    BeforeCatch: true
+    BeforeElse: true
+BreakBeforeBraces: Custom
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: AfterColon
+BreakStringLiterals: false
+ColumnLimit: 120
+CommentPragmas: '^begin_wpp|^end_wpp|^FUNC |^USESUFFIX |^USESUFFIX '
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: false
+IndentPPDirectives: AfterHash
+IndentWidth: 4
+KeepEmptyLinesAtTheStartOfBlocks: false
+Language: Cpp
+MacroBlockBegin: '^BEGIN_MODULE$|^BEGIN_TEST_CLASS$|^BEGIN_TEST_METHOD$'
+MacroBlockEnd: '^END_MODULE$|^END_TEST_CLASS$|^END_TEST_METHOD$'
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+PointerAlignment: Right
+ReflowComments: true
+SortIncludes: false
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Cpp11
+StatementMacros: [
+    'EXTERN_C',
+    'PAGED',
+    'PAGEDX',
+    'NONPAGED',
+    'PNPCODE',
+    'INITCODE',
+    '_At_',
+    '_When_',
+    '_Success_',
+    '_Check_return_',
+    '_Must_inspect_result_',
+    '_IRQL_requires_',
+    '_IRQL_requires_max_',
+    '_IRQL_requires_min_',
+    '_IRQL_saves_',
+    '_IRQL_restores_',
+    '_IRQL_saves_global_',
+    '_IRQL_restores_global_',
+    '_IRQL_raises_',
+    '_IRQL_lowers_',
+    '_Acquires_lock_',
+    '_Releases_lock_',
+    '_Acquires_exclusive_lock_',
+    '_Releases_exclusive_lock_',
+    '_Acquires_shared_lock_',
+    '_Releases_shared_lock_',
+    '_Requires_lock_held_',
+    '_Use_decl_annotations_',
+    '_Guarded_by_',
+    '__drv_preferredFunction',
+    '__drv_allocatesMem',
+    '__drv_freesMem',
+    ]
+TabWidth: '4'
+UseTab: Never

.editorconfig

@@ -1,5 +1,6 @@
 [*.{c,h,inf,rc,wxs}]
-indent_style = tab
+indent_style = space
+indent_style = 4
 
 [*.{proj,props,vcxproj,wixproj}]
 indent_style = space

undocumented.h

@@ -7,7 +7,10 @@
 
 #include <wdm.h>
 
-typedef enum { SystemExtendedHandleInformation = 0x40 } SYSTEM_INFORMATION_CLASS;
+typedef enum
+{
+    SystemExtendedHandleInformation = 0x40
+} SYSTEM_INFORMATION_CLASS;
 
 typedef struct _SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX
 {
@@ -28,7 +31,13 @@ typedef struct _SYSTEM_HANDLE_INFORMATION_EX
     SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX Handles[ANYSIZE_ARRAY];
 } SYSTEM_HANDLE_INFORMATION_EX, *PSYSTEM_HANDLE_INFORMATION_EX;
 
-extern NTSTATUS ZwQuerySystemInformation(SYSTEM_INFORMATION_CLASS SystemInformationClass, PVOID SystemInformation, ULONG SystemInformationLength, ULONG *ReturnLength);
+extern NTSTATUS
-extern NDIS_HANDLE NdisWdfGetAdapterContextFromAdapterHandle(PVOID DeviceExtension);
+ZwQuerySystemInformation(
+    SYSTEM_INFORMATION_CLASS SystemInformationClass,
+    PVOID SystemInformation,
+    ULONG SystemInformationLength,
+    ULONG *ReturnLength);
+extern NDIS_HANDLE
+NdisWdfGetAdapterContextFromAdapterHandle(PVOID DeviceExtension);
 
 extern POBJECT_TYPE *IoDeviceObjectType;