+ /* Hamming distance on different blocks */
+ distance = 0;
+ //for(k=0;k<frag_size;k++){
+ for(k=0;k<mdp1->heapinfo[i].busy_frag.frag_size[j];k++){
+ if(memcmp(((char *)addr_frag1) + k, ((char *)addr_frag2) + k, 1) != 0){
+ //fprintf(stderr, "Different byte (offset=%d) (%p - %p) in fragment %zu in block %zu\n", k, (char *)addr_frag1 + k, (char *)addr_frag2 + k, j, i); fflush(NULL);
+ pointer_align = (k / sizeof(void*)) * sizeof(void*);
+ address_pointed1 = *((void **)((char *)addr_frag1 + pointer_align));
+ address_pointed2 = *((void **)((char *)addr_frag2 + pointer_align));
+ if(((address_pointed1 > (void *)s_heap) && (address_pointed1 < end_heap)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < end_heap))){
+ block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
+ block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) / BLOCKSIZE + 1;
+ //fprintf(stderr, "Blocks pointed : %d - %d\n", block_pointed1, block_pointed2);
+ if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
+ if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
+ while(mdp1->heapinfo[block_pointed1].busy_block.size == 0)
+ block_pointed1--;
+ while(mdp2->heapinfo[block_pointed2].busy_block.size == 0)
+ block_pointed2--;
+ if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
+ //addr_block_pointed1 = (void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1);
+ //addr_block_pointed2 = (void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2);
+ addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
+ addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
+ fprintf(stderr, "Memcmp between blocks %d and %d (size = %zu)\n", block_pointed1, block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size);
+ if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_block.busy_size) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+ }else{
+ distance++;
+ }
+ }else{ // Fragmented block
+ address_pointed1 = (char*)mdp1 + ((char*)address_pointed1 - (char*)s_heap);
+ address_pointed2 = (char*)mdp2 + ((char*)address_pointed2 - (char*)s_heap);
+ //addr_block_pointed1 = (void*) (((ADDR2UINT((size_t)block_pointed1)) - 1) * BLOCKSIZE + (char*)heapbase1);
+ //addr_block_pointed2 = (void*) (((ADDR2UINT((size_t)block_pointed2)) - 1) * BLOCKSIZE + (char*)heapbase2);
+ addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
+ addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
+ frag_pointed1 = 0;
+ while(address_pointed1 > (void*)((char*)addr_block_pointed1 + ((frag_pointed1 + 1) * frag_size))){
+ frag_pointed1++;
+ }
+ frag_pointed2 = 0;
+ while(address_pointed2 > (void*)((char*)addr_block_pointed2 + ((frag_pointed2 + 1) * frag_size))){
+ frag_pointed2++;
+ }
+ if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[frag_pointed2]){
+ fprintf(stderr, "Memcmp between fragments %d (block %d) and %d (block %d) (size = %d)\n", frag_pointed1, block_pointed1, frag_pointed2, block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]);
+ if(memcmp((char*)addr_block_pointed1 + (frag_pointed1 * frag_size), (char*)addr_block_pointed2 + (frag_pointed2 * frag_size), mdp1->heapinfo[block_pointed1].busy_frag.frag_size[frag_pointed1]) != 0){
+ distance++;
+ }else{
+ fprintf(stderr, "False difference detected\n");
+ }
+ }else{
+ distance ++;
+ }
+ }
+ }else{
+ distance++;
+ }
+ }else{