145 lines
2.7 KiB
C
145 lines
2.7 KiB
C
/*++
|
|
|
|
Copyright (c) 1997 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
linklist.h
|
|
|
|
Abstract:
|
|
|
|
This file contains the generic doubly-linked list manipulation package
|
|
stolen from NT & made digestible by Win95
|
|
|
|
Author:
|
|
|
|
Vlad Sadovsky (VladS) 11-Feb-1997
|
|
|
|
Revision History:
|
|
|
|
VladS 02-11-97 Extracted from NT SDK headers to use on Win9x
|
|
|
|
--*/
|
|
|
|
|
|
#ifndef _LINKLIST_H_
|
|
#define _LINKLIST_H_
|
|
|
|
|
|
//
|
|
// Calculate the address of the base of the structure given its type, and an
|
|
// address of a field within the structure.
|
|
//
|
|
|
|
#ifndef CONTAINING_RECORD
|
|
#define CONTAINING_RECORD(address, type, field) ((type *)( \
|
|
(PCHAR)(address) - \
|
|
(PCHAR)(&((type *)0)->field)))
|
|
#endif // CONTAINING_RECORD
|
|
|
|
//
|
|
// 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);\
|
|
}
|
|
|
|
|
|
#endif // _LINKLIST_H_
|
|
|