model-checker : free pointers

[simgrid.git] / src / xbt / mmalloc / mm_diff.c

diff --git a/src/xbt/mmalloc/mm_diff.c b/src/xbt/mmalloc/mm_diff.c
index a47451f..566e7d9 100644 (file)
--- a/src/xbt/mmalloc/mm_diff.c
+++ b/src/xbt/mmalloc/mm_diff.c
@@ -204,7 +204,7 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2, void* s_heap,
   int distance = 0;
   int pointer_align;
 
-  char *pointed_address1, *pointed_address2;
+  char *pointed_address1 = NULL, *pointed_address2 = NULL;
 
   /* Check busy blocks*/
 
@@ -215,8 +215,8 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2, void* s_heap,
       errors++;
     }
 
-    addr_block1 = (char *)mdp1 + sizeof(struct mdesc) + (i * BLOCKSIZE);
-    addr_block2 = (char *)mdp2 + sizeof(struct mdesc) + (i * BLOCKSIZE);
+    addr_block1 = (char *)mdp1 + mdp1->headersize + ((i-1) * BLOCKSIZE);
+    addr_block2 = (char *)mdp2 + mdp2->headersize + ((i-1) * BLOCKSIZE); 
 
     if(mdp1->heapinfo[i].type == 0){ /* busy large block */
 
@@ -247,7 +247,7 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2, void* s_heap,
            fprintf(stderr, "Pointed address : %p (in %s) - %p (in %s)\n", *((void **)((char *)addr_block1 + pointer_align)), pointed_address1, *((void **)((char *)addr_block2 + pointer_align)), pointed_address2);
            if((strcmp(pointed_address1, pointed_address2) == 0) && (strcmp(pointed_address1, "std_heap") == 0)){
              /* FIXME : compare value pointed thanks to DWARF */
-           } 
+           }
          }
        }
 
@@ -258,7 +258,10 @@ int mmalloc_compare_mdesc(struct mdesc *mdp1, struct mdesc *mdp2, void* s_heap,
        errors++;
       }
 
-      i = i + mdp1->heapinfo[i].busy_block.size + 1;
+      if( mdp1->heapinfo[i].busy_block.size == 0)
+       i = i + 1;
+      else
+       i = i + mdp1->heapinfo[i].busy_block.size;
 
     }else{
       
@@ -379,18 +382,37 @@ const char* get_addr_memory_map(void *addr, void* s_heap, void* r_heap){
     if((addr > start_addr) && ( addr < end_addr)){
       free(line);
       fclose(fp);
-      if(start_addr == s_heap)
+      if(start_addr == s_heap){
+       xbt_dynar_reset(lfields);
+       xbt_free(lfields);
+       xbt_dynar_reset(start_end);
+       xbt_free(start_end);
        return "std_heap";
-      if(start_addr == r_heap)
+      }
+      if(start_addr == r_heap){
+       xbt_dynar_reset(lfields);
+       xbt_free(lfields);
+       xbt_dynar_reset(start_end);
+       xbt_free(start_end);
        return "raw_heap";
-      if(xbt_dynar_length(lfields) == 6)
+      }
+      if(xbt_dynar_length(lfields) == 6){
        return xbt_dynar_get_as(lfields, xbt_dynar_length(lfields) - 1, char*);
-      else
+      }else{
+       xbt_dynar_reset(lfields);
+       xbt_free(lfields);
+       xbt_dynar_reset(start_end);
+       xbt_free(start_end);
        return "Anonymous";
+      }
     }
 
   }
 
+  xbt_dynar_reset(lfields);
+  xbt_free(lfields);
+  xbt_dynar_reset(start_end);
+  xbt_free(start_end);
   free(line);
   fclose(fp);
   return "Unknown area";