wine/dlls/imagehlp/internal.c

110 lines
2.3 KiB
C

/*
* IMAGEHLP library
*
* Copyright 1998 Patrik Stridvall
*/
#include "winbase.h"
#include "winerror.h"
#include "windef.h"
#include "debugtools.h"
#include "imagehlp.h"
/***********************************************************************
* InitializeListHead
*/
VOID InitializeListHead(PLIST_ENTRY pListHead)
{
pListHead->Flink = pListHead;
pListHead->Blink = pListHead;
}
/***********************************************************************
* InsertHeadList
*/
VOID InsertHeadList(PLIST_ENTRY pListHead, PLIST_ENTRY pEntry)
{
pEntry->Blink = pListHead;
pEntry->Flink = pListHead->Flink;
pListHead->Flink = pEntry;
}
/***********************************************************************
* InsertTailList
*/
VOID InsertTailList(PLIST_ENTRY pListHead, PLIST_ENTRY pEntry)
{
pEntry->Flink = pListHead;
pEntry->Blink = pListHead->Blink;
pListHead->Blink = pEntry;
}
/***********************************************************************
* IsListEmpty
*/
BOOLEAN IsListEmpty(PLIST_ENTRY pListHead)
{
return !pListHead;
}
/***********************************************************************
* PopEntryList
*/
PSINGLE_LIST_ENTRY PopEntryList(PSINGLE_LIST_ENTRY pListHead)
{
pListHead->Next = NULL;
return pListHead;
}
/***********************************************************************
* PushEntryList
*/
VOID PushEntryList(
PSINGLE_LIST_ENTRY pListHead, PSINGLE_LIST_ENTRY pEntry)
{
pEntry->Next=pListHead;
}
/***********************************************************************
* RemoveEntryList
*/
VOID RemoveEntryList(PLIST_ENTRY pEntry)
{
pEntry->Flink->Blink = pEntry->Blink;
pEntry->Blink->Flink = pEntry->Flink;
pEntry->Flink = NULL;
pEntry->Blink = NULL;
}
/***********************************************************************
* RemoveHeadList
*/
PLIST_ENTRY RemoveHeadList(PLIST_ENTRY pListHead)
{
PLIST_ENTRY p = pListHead->Flink;
if(p != pListHead)
{
RemoveEntryList(pListHead);
return p;
}
else
{
pListHead->Flink = NULL;
pListHead->Blink = NULL;
return NULL;
}
}
/***********************************************************************
* RemoveTailList
*/
PLIST_ENTRY RemoveTailList(PLIST_ENTRY pListHead)
{
RemoveHeadList(pListHead->Blink);
if(pListHead != pListHead->Blink)
return pListHead;
else
return NULL;
}