-
- /* Get the address of the first free fragment in this block. */
- prev = (struct list *)
- ((char *) ADDRESS(block) +
- (mdp->heapinfo[block].busy_frag.first << type));
+ frag_nb = RESIDUAL(ptr, BLOCKSIZE) >> type;
+
+ if( mdp->heapinfo[block].busy_frag.frag_size[frag_nb] == -1){
+ UNLOCK(mdp);
+ THROWF(system_error, 0, "Asked to free a fragment that is already free. I'm puzzled\n");
+ }
+
+ if (MC_is_active() && mdp->heapinfo[block].busy_frag.ignore[frag_nb] > 0)
+ MC_unignore_heap(ptr, mdp->heapinfo[block].busy_frag.frag_size[frag_nb]);