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#include <config.h>
#include "lst.h"
/***************************
* ENSURE CURRENT IS NOT ON A bDelete ITEM
*
* 1. Should only be required for root list.
***************************/
void *_lstAdjustCurrent( HLST hLst )
{
HLSTITEM h;
if ( !hLst )
return NULL;
if ( !hLst->hCurrent )
return NULL;
if ( _lstVisible( hLst->hCurrent ) )
return hLst->hCurrent;
h = hLst->hCurrent;
while ( !_lstVisible( hLst->hCurrent ) && hLst->hCurrent->pPrev )
{
hLst->hCurrent = hLst->hCurrent->pPrev;
}
if ( _lstVisible( hLst->hCurrent ) )
return hLst->hCurrent;
hLst->hCurrent = h;
while ( !_lstVisible( hLst->hCurrent ) && hLst->hCurrent->pNext )
{
hLst->hCurrent = hLst->hCurrent->pNext;
}
if ( _lstVisible( hLst->hCurrent ) )
return hLst->hCurrent;
hLst->hCurrent = NULL;
return NULL;
}
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