Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
model-checker : cosmetics, tab forgotten
[simgrid.git] / src / xbt / mmalloc / mm_diff.c
index a101947..60fb787 100644 (file)
@@ -91,7 +91,7 @@ void mmalloc_backtrace_block_display(xbt_mheap_t mdp, size_t block){
 }
 
 void mmalloc_backtrace_fragment_display(xbt_mheap_t mdp, size_t block, size_t frag){
-  
+
   xbt_ex_t e;
 
   memcpy(&e.bt,&(mdp->heapinfo[block].busy_frag.bt[frag]),sizeof(void*)*XBT_BACKTRACE_SIZE);
@@ -136,7 +136,7 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2){
   }
 
   void* s_heap = (char *)mmalloc_get_current_heap() - STD_HEAP_SIZE - getpagesize();
-    
+
   void *heapbase1 = (char *)mdp1 + BLOCKSIZE;
   void *heapbase2 = (char *)mdp2 + BLOCKSIZE;
 
@@ -177,217 +177,213 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2){
     if(mdp1->heapinfo[i].type == 0){ /* busy large block */
 
       if(mdp1->heapinfo[i].busy_block.size != mdp2->heapinfo[i].busy_block.size){
-       fprintf(stderr,"Different size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.size, mdp2->heapinfo[i].busy_block.size); 
-       fflush(NULL);
-       errors++;
-      } 
+        fprintf(stderr,"Different size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.size, mdp2->heapinfo[i].busy_block.size); 
+        fflush(NULL);
+        errors++;
+      }
 
       if(mdp1->heapinfo[i].busy_block.busy_size != mdp2->heapinfo[i].busy_block.busy_size){
-       fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size); 
-       fflush(NULL);
-       errors++;
-      } 
+        fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size); 
+        fflush(NULL);
+        errors++;
+      }
 
-  
       /* Hamming distance on different blocks */
       distance = 0;
 
       //for(k=0;k<mdp1->heapinfo[i].busy_block.size * BLOCKSIZE;k++){
       for(k=0;k<mdp1->heapinfo[i].busy_block.busy_size;k++){
-       if((((char *)addr_block1) + k != 0) && (((char *)addr_block2) + k != 0)){
-         if(memcmp(((char *)addr_block1) + k, ((char *)addr_block2) + k, 1) != 0){
-           fprintf(stderr, "Different byte (offset=%d) (%p - %p) in block %zu\n", k, (char *)addr_block1 + k, (char *)addr_block2 + k, i); fflush(NULL);
-           pointer_align = (k / sizeof(void*)) * sizeof(void*);
-           address_pointed1 = *((void **)((char *)addr_block1 + pointer_align));
-           address_pointed2 = *((void **)((char *)addr_block2 + pointer_align));                                  
-           if(((address_pointed1 > (void *)s_heap) && (address_pointed1 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
-             block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
-             block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
-             //fprintf(stderr, "Blocks pointed : %d - %d\n", block_pointed1, block_pointed2);
-             if((block_pointed1 == 0) && (block_pointed2 == 0)){
-               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; 
-               if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
-                 if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
-                   if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
-                     addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
-                     addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
-                     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
-                   addr_block_pointed1 = (char*)mdp1 + ((char *)address_pointed1 - (char *)s_heap);
-                   addr_block_pointed2 = (char*)mdp2 + ((char *)address_pointed2 - (char *)s_heap);
-                   if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[0]){
-                     if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0]) != 0){
-                       fprintf(stderr, "Pointed fragments are different \n");
-                       distance++;
-                     }else{
-                       fprintf(stderr, "False difference detected\n");
-                     }
-                   }else{
-                     fprintf(stderr, "Different size of pointed fragments\n");
-                     distance ++;
-                   }
-                 }
-               }else{
-                 fprintf(stderr, "Pointers on blocks with different types \n");
-                 distance++;
-               }
-               
-             }else{
-               /* FIXME : peut pointer vers le début d'un fragment mais dans un bloc */
-               fprintf(stderr, "Pointed addresses (%p - %p) not valid\n", address_pointed1, address_pointed2);
-               distance++;
-             }
-           }else{
-             fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
-             distance++;
-           }
-           
-         }
-       }
+        //if((((char *)addr_block1) + k != 0) && (((char *)addr_block2) + k != 0)){
+        if(memcmp(((char *)addr_block1) + k, ((char *)addr_block2) + k, 1) != 0){
+          fprintf(stderr, "Different byte (offset=%d) (%p - %p) in block %zu\n", k, (char *)addr_block1 + k, (char *)addr_block2 + k, i); fflush(NULL);
+          pointer_align = (k / sizeof(void*)) * sizeof(void*);
+          address_pointed1 = *((void **)((char *)addr_block1 + pointer_align));
+          address_pointed2 = *((void **)((char *)addr_block2 + pointer_align));
+          if(((address_pointed1 > (void *)s_heap) && (address_pointed1 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
+            block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+            block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+            //fprintf(stderr, "Blocks pointed : %d - %d\n", block_pointed1, block_pointed2);
+            if((block_pointed1 == 0) && (block_pointed2 == 0)){
+              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; 
+              if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
+                if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
+                  if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
+                    addr_block_pointed1 = (char*)heapbase1 + ((block_pointed1 - 1)*BLOCKSIZE);
+                    addr_block_pointed2 = (char*)heapbase2 + ((block_pointed2 - 1)*BLOCKSIZE);
+                    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
+                  addr_block_pointed1 = (char*)mdp1 + ((char *)address_pointed1 - (char *)s_heap);
+                  addr_block_pointed2 = (char*)mdp2 + ((char *)address_pointed2 - (char *)s_heap);
+                  if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[0]){
+                    if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0]) != 0){
+                      fprintf(stderr, "Pointed fragments are different \n");
+                      distance++;
+                    }else{
+                      fprintf(stderr, "False difference detected\n");
+                    }
+                  }else{
+                    fprintf(stderr, "Different size of pointed fragments\n");
+                    distance ++;
+                  }
+                }
+              }else{
+                fprintf(stderr, "Pointers on blocks with different types \n");
+                distance++;
+              }
+            }else{
+              /* FIXME : peut pointer vers le début d'un fragment mais dans un bloc */
+              fprintf(stderr, "Pointed addresses (%p - %p) not valid\n", address_pointed1, address_pointed2);
+              distance++;
+            }
+          }else{
+            fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
+            distance++;
+          }
+        }
+        //}
       }
 
 
       if(distance>0){
-       fprintf(stderr,"\nDifferent data in large block %zu (size = %zu (in blocks), busy_size = %zu (in bytes))\n", i, mdp1->heapinfo[i].busy_block.size, mdp1->heapinfo[i].busy_block.busy_size);
-       fflush(NULL);
-       fprintf(stderr, "Hamming distance between blocks : %d\n", distance);
-       mmalloc_backtrace_block_display(mdp1, i);
-       mmalloc_backtrace_block_display(mdp2, i);
-       fprintf(stderr, "\n");
-       errors++; 
-       total_distance += distance;
+        fprintf(stderr,"\nDifferent data in large block %zu (size = %zu (in blocks), busy_size = %zu (in bytes))\n", i, mdp1->heapinfo[i].busy_block.size, mdp1->heapinfo[i].busy_block.busy_size);
+        fflush(NULL);
+        fprintf(stderr, "Hamming distance between blocks : %d\n", distance);
+        mmalloc_backtrace_block_display(mdp1, i);
+        mmalloc_backtrace_block_display(mdp2, i);
+        fprintf(stderr, "\n");
+        errors++;
+        total_distance += distance;
       }
-    
-      
+
       i++;
-      
+
     }else{
-      
+
       if(mdp1->heapinfo[i].type > 0){ /* busy fragmented block */
 
-       if(mdp1->heapinfo[i].type != mdp2->heapinfo[i].type){
-         fprintf(stderr,"Different size of fragments in fragmented block %zu : %d - %d\n", i, mdp1->heapinfo[i].type, mdp2->heapinfo[i].type); fflush(NULL);
-         errors++;
-       }
-
-       if(mdp1->heapinfo[i].busy_frag.nfree != mdp2->heapinfo[i].busy_frag.nfree){
-         fprintf(stderr,"Different free fragments in fragmented block %zu : %zu - %zu\n", i, mdp1->heapinfo[i].busy_frag.nfree, mdp2->heapinfo[i].busy_frag.nfree); fflush(NULL);
-         errors++;
-       } 
-       
-       if(mdp1->heapinfo[i].busy_frag.first != mdp2->heapinfo[i].busy_frag.first){
-         fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size); fflush(NULL);
-         errors++;
-       } 
-
-       frag_size = pow(2, mdp1->heapinfo[i].type);
-
-       for(j=0; j< (BLOCKSIZE/frag_size); j++){
-
-         if(mdp1->heapinfo[i].busy_frag.frag_size[j] != mdp2->heapinfo[i].busy_frag.frag_size[j]){
-           fprintf(stderr,"Different busy_size for fragment %zu in block %zu : %hu - %hu\n", j, i, mdp1->heapinfo[i].busy_frag.frag_size[j], mdp2->heapinfo[i].busy_frag.frag_size[j]); fflush(NULL);
-           errors++;
-         }
-
-         if(mdp1->heapinfo[i].busy_frag.frag_size[j] > 0){
-           
-           addr_frag1 = (char *)addr_block1 + (j * frag_size);
-           xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
-
-           addr_frag2 = (char *)addr_block2 + (j * frag_size);
-           xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
-
-           /* 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((((char *)addr_frag1) + k != 0) && (((char *)addr_frag2) + k != 0)){
-               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 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
-                   block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
-                   block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
-                   if((block_pointed1 == 0) && (block_pointed2 == 0)){
-                     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; 
-                     if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
-                       if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
-                         if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
-                           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
-                         addr_block_pointed1 = (char*)mdp1 + ((char *)address_pointed1 - (char *)s_heap);
-                         addr_block_pointed2 = (char*)mdp2 + ((char *)address_pointed2 - (char *)s_heap);
-                         if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[0]){
-                           if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0]) != 0){
-                             distance++;
-                           }else{
-                             fprintf(stderr, "False difference detected\n");
-                           }
-                         }else{
-                           distance ++;
-                         }
-                       }
-                     }else{
-                       fprintf(stderr, "Pointers on blocks with different types \n");
-                       distance++;
-                     }
-                   }else{
-                     /* FIXME : peut pointer vers le début d'un fragment mais dans un bloc */
-                     fprintf(stderr, "Pointed addresses (%p - %p) not valid \n", address_pointed1, address_pointed2);
-                     distance++;
-                   }
-                 }else{
-                   fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
-                   distance++;
-                 }
-               }
-             }
-
-           }
-           
-           if(distance > 0){
-             fprintf(stderr,"\nDifferent data in fragment %zu (size = %zu, size used = %hu) in block %zu \n", j, frag_size, mdp1->heapinfo[i].busy_frag.frag_size[j], i);
-             fprintf(stderr, "Hamming distance between fragments : %d\n", distance);
-             mmalloc_backtrace_fragment_display(mdp1, i, j);
-             mmalloc_backtrace_fragment_display(mdp2, i, j);
-             fprintf(stderr, "\n");
-             errors++;
-             total_distance += distance;
-             
-           }
-
-         }
-       }
-
-       i++;
+        if(mdp1->heapinfo[i].type != mdp2->heapinfo[i].type){
+          fprintf(stderr,"Different size of fragments in fragmented block %zu : %d - %d\n", i, mdp1->heapinfo[i].type, mdp2->heapinfo[i].type); fflush(NULL);
+          errors++;
+        }
+
+        if(mdp1->heapinfo[i].busy_frag.nfree != mdp2->heapinfo[i].busy_frag.nfree){
+          fprintf(stderr,"Different free fragments in fragmented block %zu : %zu - %zu\n", i, mdp1->heapinfo[i].busy_frag.nfree, mdp2->heapinfo[i].busy_frag.nfree); fflush(NULL);
+          errors++;
+        }
+
+        if(mdp1->heapinfo[i].busy_frag.first != mdp2->heapinfo[i].busy_frag.first){
+          fprintf(stderr,"Different busy_size of a large cluster : %zu - %zu\n", mdp1->heapinfo[i].busy_block.busy_size, mdp2->heapinfo[i].busy_block.busy_size); fflush(NULL);
+          errors++;
+        }
+
+        frag_size = pow(2, mdp1->heapinfo[i].type);
+
+        for(j=0; j< (BLOCKSIZE/frag_size); j++){
+
+          if(mdp1->heapinfo[i].busy_frag.frag_size[j] != mdp2->heapinfo[i].busy_frag.frag_size[j]){
+            fprintf(stderr,"Different busy_size for fragment %zu in block %zu : %hu - %hu\n", j, i, mdp1->heapinfo[i].busy_frag.frag_size[j], mdp2->heapinfo[i].busy_frag.frag_size[j]); fflush(NULL);
+            errors++;
+          }
+
+          if(mdp1->heapinfo[i].busy_frag.frag_size[j] > 0){
+
+            addr_frag1 = (char *)addr_block1 + (j * frag_size);
+            xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
+
+            addr_frag2 = (char *)addr_block2 + (j * frag_size);
+            xbt_assert(addr_frag1 < breakval1, "Fragment address out of heap memory used");
+
+            /* 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((((char *)addr_frag1) + k != 0) && (((char *)addr_frag2) + k != 0)){
+              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 < mdp1->breakval)) && ((address_pointed2 > (void *)s_heap) && (address_pointed2 < mdp2->breakval))){
+                  block_pointed1 = ((char*)address_pointed1 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+                  block_pointed2 = ((char*)address_pointed2 - (char*)((struct mdesc*)s_heap)->heapbase) % BLOCKSIZE;
+                  if((block_pointed1 == 0) && (block_pointed2 == 0)){
+                    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; 
+                    if(mdp1->heapinfo[block_pointed1].type == mdp2->heapinfo[block_pointed2].type){
+                      if(mdp1->heapinfo[block_pointed1].type == 0){ // Large block
+                        if(mdp1->heapinfo[block_pointed1].busy_block.busy_size == mdp2->heapinfo[block_pointed2].busy_block.busy_size){
+                          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
+                        addr_block_pointed1 = (char*)mdp1 + ((char *)address_pointed1 - (char *)s_heap);
+                        addr_block_pointed2 = (char*)mdp2 + ((char *)address_pointed2 - (char *)s_heap);
+                        if(mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0] == mdp2->heapinfo[block_pointed2].busy_frag.frag_size[0]){
+                          if(memcmp(addr_block_pointed1, addr_block_pointed2, mdp1->heapinfo[block_pointed1].busy_frag.frag_size[0]) != 0){
+                            distance++;
+                          }else{
+                            fprintf(stderr, "False difference detected\n");
+                          }
+                        }else{
+                          distance ++;
+                        }
+                      }
+                    }else{
+                      fprintf(stderr, "Pointers on blocks with different types \n");
+                      distance++;
+                    }
+                  }else{
+                    /* FIXME : peut pointer vers le début d'un fragment mais dans un bloc */
+                    fprintf(stderr, "Pointed addresses (%p - %p) not valid \n", address_pointed1, address_pointed2);
+                    distance++;
+                  }
+                }else{
+                  fprintf(stderr, "Pointed addresses (%p - %p) not in std_heap\n", address_pointed1, address_pointed2);
+                  distance++;
+                }
+              }
+              //}
+
+            }
+
+            if(distance > 0){
+              fprintf(stderr,"\nDifferent data in fragment %zu (size = %zu, size used = %hu) in block %zu \n", j, frag_size, mdp1->heapinfo[i].busy_frag.frag_size[j], i);
+              fprintf(stderr, "Hamming distance between fragments : %d\n", distance);
+              mmalloc_backtrace_fragment_display(mdp1, i, j);
+              mmalloc_backtrace_fragment_display(mdp2, i, j);
+              fprintf(stderr, "\n");
+              errors++;
+              total_distance += distance;
+
+            }
+
+          }
+        }
+
+        i++;
 
       }else{ /* free block */
 
-       i++;
+        i++;
 
       }
-      
+
     }
 
   }
@@ -407,7 +403,7 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2){
 /*   size_t n = 0;                 /\* Amount of bytes to read by getline *\/ */
 
 /*   fp = fopen("/proc/self/maps", "r"); */
-  
+
 /*   if(fp == NULL) */
 /*     perror("fopen failed"); */