-int mmReserveMem(memHeap_t *heap, int offset,int size)
-{
- int endofs;
- TMemBlock *p;
-
- if (heap == NULL || size <= 0)
- return -1;
-
- endofs = offset + size;
- p = (TMemBlock *)heap;
- while (p && p->ofs <= offset) {
- if (ISFREE(p) && endofs <= (p->ofs+p->size)) {
- SliceBlock(p,offset,size,1,1);
- return 0;
- }
- p = p->next;
- }
- return -1;
-}
-
-int mmFreeReserved(memHeap_t *heap, int offset)
-{
- TMemBlock *p,*prev;
-
- if (heap == NULL)
- return -1;
-
- p = (TMemBlock *)heap;
- prev = NULL;
- while (p != NULL && p->ofs != offset) {
- prev = p;
- p = p->next;
- }
- if (p == NULL || !p->reserved)
- return -1;
-
- p->free = 1;
- p->reserved = 0;
- Join2Blocks(p);
- if (prev != NULL)
- Join2Blocks(prev);
- return 0;
-}
-
-void mmDestroy(memHeap_t *heap)
-{
- TMemBlock *p,*q;
-
- if (heap == NULL)
- return;
-
- p = (TMemBlock *)heap;
- while (p != NULL) {
- q = p->next;
- DRM(free)(p, sizeof(TMemBlock), DRM_MEM_DRIVER);
- p = q;
- }
-}