| 270 | |
| 271 | |
| 272 | void* SubAllocator::ShrinkUnits(void* OldPtr,int OldNU,int NewNU) |
| 273 | { |
| 274 | int i0=Units2Indx[OldNU-1], i1=Units2Indx[NewNU-1]; |
| 275 | if (i0 == i1) |
| 276 | return OldPtr; |
| 277 | if ( FreeList[i1].next ) |
| 278 | { |
| 279 | void* ptr=RemoveNode(i1); |
| 280 | memcpy(ptr,OldPtr,U2B(NewNU)); |
| 281 | InsertNode(OldPtr,i0); |
| 282 | return ptr; |
| 283 | } |
| 284 | else |
| 285 | { |
| 286 | SplitBlock(OldPtr,i0,i1); |
| 287 | return OldPtr; |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | |
| 292 | void SubAllocator::FreeUnits(void* ptr,int OldNU) |