[sonar] Preserve const qualifier with cast.

[simgrid.git] / src / mc / compare.cpp

diff --git a/src/mc/compare.cpp b/src/mc/compare.cpp
index d03dbfa..f302e81 100644 (file)
--- a/src/mc/compare.cpp
+++ b/src/mc/compare.cpp
@@ -151,12 +151,6 @@ static ssize_t heap_comparison_ignore_size(const std::vector<simgrid::mc::Ignore
   return -1;
 }
 
-static bool is_on_heap(const void* address)
-{
-  const xbt_mheap_t heap = mc_model_checker->process().get_heap();
-  return address >= heap->heapbase && address < heap->breakval;
-}
-
 static bool is_stack(const void *address)
 {
   for (auto const& stack : mc_model_checker->process().stack_areas())
@@ -260,10 +254,7 @@ static bool mmalloc_heap_differ(simgrid::mc::StateComparator& state, const simgr
       continue;
     }
 
-    if (heapinfo1->type < 0) {
-      fprintf(stderr, "Unkown mmalloc block type.\n");
-      abort();
-    }
+    xbt_assert(heapinfo1->type >= 0, "Unkown mmalloc block type: %d", heapinfo1->type);
 
     void* addr_block1 = ((void*)(((ADDR2UINT(i1)) - 1) * BLOCKSIZE + (char*)state.std_heap_copy.heapbase));
 
@@ -377,10 +368,7 @@ static bool mmalloc_heap_differ(simgrid::mc::StateComparator& state, const simgr
             continue;
           }
 
-          if (heapinfo2b->type < 0) {
-            fprintf(stderr, "Unknown mmalloc block type.\n");
-            abort();
-          }
+          xbt_assert(heapinfo2b->type >= 0, "Unkown mmalloc block type: %d", heapinfo2b->type);
 
           for (size_t j2 = 0; j2 < (size_t)(BLOCKSIZE >> heapinfo2b->type); j2++) {
 
@@ -501,15 +489,15 @@ static bool heap_area_differ_without_type(simgrid::mc::StateComparator& state, c
                                   1) != 0) {
 
       int pointer_align = (i / sizeof(void *)) * sizeof(void *);
-      const void* addr_pointed1 = snapshot1.read(remote((void**)((const char*)real_area1 + pointer_align)));
-      const void* addr_pointed2 = snapshot2.read(remote((void**)((const char*)real_area2 + pointer_align)));
+      const void* addr_pointed1 = snapshot1.read(remote((void* const*)((const char*)real_area1 + pointer_align)));
+      const void* addr_pointed2 = snapshot2.read(remote((void* const*)((const char*)real_area2 + pointer_align)));
 
       if (process.in_maestro_stack(remote(addr_pointed1)) && process.in_maestro_stack(remote(addr_pointed2))) {
         i = pointer_align + sizeof(void *);
         continue;
       }
 
-      if (is_on_heap(addr_pointed1) && is_on_heap(addr_pointed2)) {
+      if (snapshot1.on_heap(addr_pointed1) && snapshot2.on_heap(addr_pointed2)) {
         // Both addresses are in the heap:
         if (heap_area_differ(state, addr_pointed1, addr_pointed2, snapshot1, snapshot2, previous, nullptr, 0))
           return true;
@@ -651,7 +639,7 @@ static bool heap_area_differ_with_type(simgrid::mc::StateComparator& state, cons
       if (pointer_level <= 1) {
         addr_pointed1 = snapshot1.read(remote((void* const*)real_area1));
         addr_pointed2 = snapshot2.read(remote((void* const*)real_area2));
-        if (is_on_heap(addr_pointed1) && is_on_heap(addr_pointed2))
+        if (snapshot1.on_heap(addr_pointed1) && snapshot2.on_heap(addr_pointed2))
           return heap_area_differ(state, addr_pointed1, addr_pointed2, snapshot1, snapshot2, previous, type->subtype,
                                   pointer_level);
         else
@@ -660,7 +648,7 @@ static bool heap_area_differ_with_type(simgrid::mc::StateComparator& state, cons
       for (size_t i = 0; i < (area_size / sizeof(void*)); i++) {
         addr_pointed1 = snapshot1.read(remote((void* const*)((const char*)real_area1 + i * sizeof(void*))));
         addr_pointed2 = snapshot2.read(remote((void* const*)((const char*)real_area2 + i * sizeof(void*))));
-        bool differ   = is_on_heap(addr_pointed1) && is_on_heap(addr_pointed2)
+        bool differ   = snapshot1.on_heap(addr_pointed1) && snapshot2.on_heap(addr_pointed2)
                           ? heap_area_differ(state, addr_pointed1, addr_pointed2, snapshot1, snapshot2, previous,
                                              type->subtype, pointer_level)
                           : addr_pointed1 != addr_pointed2;
@@ -700,9 +688,7 @@ static bool heap_area_differ_with_type(simgrid::mc::StateComparator& state, cons
 
     default:
       THROW_IMPOSSIBLE;
-      break;
   }
-  return false;
 }
 
 /** Infer the type of a part of the block from the type of the block
@@ -1105,8 +1091,8 @@ static bool areas_differ_with_type(simgrid::mc::StateComparator& state, const vo
       }
       for (i = 0; i < type->element_count; i++) {
         size_t off = i * elm_size;
-        if (areas_differ_with_type(state, (char*)real_area1 + off, snapshot1, region1, (char*)real_area2 + off,
-                                   snapshot2, region2, type->subtype, pointer_level))
+        if (areas_differ_with_type(state, (const char*)real_area1 + off, snapshot1, region1,
+                                   (const char*)real_area2 + off, snapshot2, region2, type->subtype, pointer_level))
           return true;
       }
       break;
@@ -1132,8 +1118,8 @@ static bool areas_differ_with_type(simgrid::mc::StateComparator& state, const vo
       // * a pointer leads to the read-only segment of the current object
       // * a pointer lead to a different ELF object
 
-      if (is_on_heap(addr_pointed1)) {
-        if (not is_on_heap(addr_pointed2))
+      if (snapshot1.on_heap(addr_pointed1)) {
+        if (not snapshot2.on_heap(addr_pointed2))
           return true;
         // The pointers are both in the heap:
         return simgrid::mc::heap_area_differ(state, addr_pointed1, addr_pointed2, snapshot1, snapshot2, nullptr,