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/*
* XMail by Davide Libenzi ( Intranet and Internet mail server )
* Copyright (C) 1999,..,2004 Davide Libenzi
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#include "SysInclude.h"
#include "SysDep.h"
#include "SvrDefines.h"
#include "SList.h"
void ListInit(HSLIST & hList)
{
hList = INVALID_SLIST_PTR;
}
void ListAddHead(HSLIST & hList, PLISTLINK pLLink)
{
pLLink->pNext = hList;
hList = pLLink;
}
void ListAddTail(HSLIST & hList, PLISTLINK pLLink)
{
PLISTLINK lpPrev = INVALID_SLIST_PTR, lpCurr = hList;
while (lpCurr != INVALID_SLIST_PTR) {
lpPrev = lpCurr;
lpCurr = lpCurr->pNext;
}
pLLink->pNext = INVALID_SLIST_PTR;
if (lpPrev == INVALID_SLIST_PTR)
hList = pLLink;
else
lpPrev->pNext = pLLink;
}
PLISTLINK ListFirst(HSLIST & hList)
{
return (hList);
}
PLISTLINK ListNext(HSLIST & hList, PLISTLINK pLLink)
{
return (pLLink->pNext);
}
PLISTLINK ListRemovePtr(HSLIST & hList, PLISTLINK pLLink)
{
PLISTLINK lpPrev = INVALID_SLIST_PTR, lpCurr = hList;
while (lpCurr != INVALID_SLIST_PTR) {
if (lpCurr == pLLink)
break;
lpPrev = lpCurr;
lpCurr = lpCurr->pNext;
}
if (lpCurr == INVALID_SLIST_PTR)
return (INVALID_SLIST_PTR);
if (lpPrev == INVALID_SLIST_PTR)
hList = lpCurr->pNext;
else
lpPrev->pNext = lpCurr->pNext;
lpCurr->pNext = INVALID_SLIST_PTR;
return (lpCurr);
}
PLISTLINK ListRemove(HSLIST & hList)
{
PLISTLINK lpCurr = hList;
if (lpCurr != INVALID_SLIST_PTR)
hList = lpCurr->pNext, lpCurr->pNext = INVALID_SLIST_PTR;
return (lpCurr);
}
void ListPurgeFree(HSLIST & hList)
{
PLISTLINK lpCurr;
while ((lpCurr = ListRemove(hList)) != INVALID_SLIST_PTR)
SysFree(lpCurr);
}
void ListPurge(HSLIST & hList)
{
PLISTLINK lpCurr;
while ((lpCurr = ListRemove(hList)) != INVALID_SLIST_PTR);
}
bool ListIsEmpty(HSLIST & hList)
{
return (hList == INVALID_SLIST_PTR);
}
int ListGetCount(HSLIST & hList)
{
int iListCount;
PLISTLINK lpCurr = ListFirst(hList);
for (iListCount = 0; lpCurr != INVALID_SLIST_PTR;
lpCurr = ListNext(hList, lpCurr), iListCount++);
return (iListCount);
}
PLISTLINK *ListGetPointers(HSLIST & hList, int &iListCount)
{
iListCount = ListGetCount(hList);
PLISTLINK *pPointers = (PLISTLINK *) SysAlloc((iListCount + 1) * sizeof(PLISTLINK));
if (pPointers != NULL) {
int ii;
PLISTLINK lpCurr = ListFirst(hList);
for (ii = 0; lpCurr != INVALID_SLIST_PTR; lpCurr = ListNext(hList, lpCurr), ii++)
pPointers[ii] = lpCurr;
pPointers[ii] = INVALID_SLIST_PTR;
}
return (pPointers);
}
void ListReleasePointers(PLISTLINK * pPointers)
{
SysFree(pPointers);
}
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