EPGInfo_CountEvents.c

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#include                "FBLib_EPG.h"
 
dword EPGInfo_CountEvents(dword *TreePointer)
{
  TRACEENTER();
 
  dword                 i;
  tTreeEntry           *ListStart, *Entry;
 
  i = 0;
 
  if(TreePointer)
  {
    ListStart = (tTreeEntry*)*TreePointer;
 
    //If the list points to itself, no data is available
    if(ListStart == (tTreeEntry*)ListStart->Next)
    {
      TRACEEXIT();
 
      return 0;
    }
 
    //Loop until we're back at the beginning of the pool
    Entry = ListStart;
    do
    {
      i++;
      Entry = (tTreeEntry*)Entry->Next;
    } while(Entry && (Entry->Next != ListStart->Prev));
  }
 
  TRACEEXIT();
  return i;
}