Sweden-Number/dlls/imagehlp/internal.c

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/*
* IMAGEHLP library
*
* Copyright 1998 Patrik Stridvall
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "winbase.h"
#include "winerror.h"
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#include "windef.h"
#include "wine/debug.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;
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if(p != pListHead)
{
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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;
}