heapmgr1.c~

enum {FALSE, TRUE};

enum {MIN_UNITS_FROM_OS = 512};

static Chunk_T oHeapStart = NULL;
static Chunk_T oHeapEnd   = NULL;
static Chunk_T oFreeList  = NULL;

void HeapMgr_setToFront(Chunk_T oChunk);

void HeapMgr_removeFromList(Chunk_T oChunk)
{
   
}


void *HeapMgr_malloc(size_t uBytes)
{
   size_t uUnits;
   
   if (uBytes == 0)
      return NULL;
   
   /* initialize */
   if (oHeapStart == NULL)
   {
      oHeapStart = (Chunk_T)sbrk(0);
      oHeapEnd = oHeapStart;
   }

   /* determine units needed */
   uUnits = Chunk_bytesToUnits(uBytes);

   /* for each chunk in the free list */
   for (oChunk = oFreeList;
        oChunk != NULL;
        oChunk = Chunk_getNextInList(oChunk))
   {
      /* if the current free list chunk is big enough */
      if (uUnits <= Chunk_getUnits(oChunk))
      {
         
      }
   }
}