Source code of Windows XP (NT5)
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133 lines
2.5 KiB

//
// Doubly-linked list manipulation routines. Implemented as macros
// but logically these are procedures.
//
//
// VOID
// InitializeListHead(
// PLIST_ENTRY ListHead
// );
//
#define InitializeListHead(ListHead) (\
(ListHead)->Flink = (ListHead)->Blink = (ListHead))
//
// BOOLEAN
// IsListEmpty(
// PLIST_ENTRY ListHead
// );
//
#define IsListEmpty(ListHead) \
((ListHead)->Flink == (ListHead))
//
// PLIST_ENTRY
// RemoveHeadList(
// PLIST_ENTRY ListHead
// );
//
#define RemoveHeadList(ListHead) \
(ListHead)->Flink;\
{RemoveEntryList((ListHead)->Flink)}
//
// PLIST_ENTRY
// RemoveTailList(
// PLIST_ENTRY ListHead
// );
//
#define RemoveTailList(ListHead) \
(ListHead)->Blink;\
{RemoveEntryList((ListHead)->Blink)}
//
// VOID
// RemoveEntryList(
// PLIST_ENTRY Entry
// );
//
#define RemoveEntryList(Entry) {\
PLIST_ENTRY _EX_Blink;\
PLIST_ENTRY _EX_Flink;\
_EX_Flink = (Entry)->Flink;\
_EX_Blink = (Entry)->Blink;\
_EX_Blink->Flink = _EX_Flink;\
_EX_Flink->Blink = _EX_Blink;\
}
//
// VOID
// InsertTailList(
// PLIST_ENTRY ListHead,
// PLIST_ENTRY Entry
// );
//
#define InsertTailList(ListHead,Entry) {\
PLIST_ENTRY _EX_Blink;\
PLIST_ENTRY _EX_ListHead;\
_EX_ListHead = (ListHead);\
_EX_Blink = _EX_ListHead->Blink;\
(Entry)->Flink = _EX_ListHead;\
(Entry)->Blink = _EX_Blink;\
_EX_Blink->Flink = (Entry);\
_EX_ListHead->Blink = (Entry);\
}
//
// VOID
// InsertHeadList(
// PLIST_ENTRY ListHead,
// PLIST_ENTRY Entry
// );
//
#define InsertHeadList(ListHead,Entry) {\
PLIST_ENTRY _EX_Flink;\
PLIST_ENTRY _EX_ListHead;\
_EX_ListHead = (ListHead);\
_EX_Flink = _EX_ListHead->Flink;\
(Entry)->Flink = _EX_Flink;\
(Entry)->Blink = _EX_ListHead;\
_EX_Flink->Blink = (Entry);\
_EX_ListHead->Flink = (Entry);\
}
//
//
// PSINGLE_LIST_ENTRY
// PopEntryList(
// PSINGLE_LIST_ENTRY ListHead
// );
//
#define PopEntryList(ListHead) \
(ListHead)->Next;\
{\
PSINGLE_LIST_ENTRY FirstEntry;\
FirstEntry = (ListHead)->Next;\
if (FirstEntry != NULL) { \
(ListHead)->Next = FirstEntry->Next;\
} \
}
//
// VOID
// PushEntryList(
// PSINGLE_LIST_ENTRY ListHead,
// PSINGLE_LIST_ENTRY Entry
// );
//
#define PushEntryList(ListHead,Entry) \
(Entry)->Next = (ListHead)->Next; \
(ListHead)->Next = (Entry)