[mc] s/NULL/nullptr/

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

diff --git a/src/mc/mc_dwarf.cpp b/src/mc/mc_dwarf.cpp
index 54d49c6..38c7d3a 100644 (file)
--- a/src/mc/mc_dwarf.cpp
+++ b/src/mc/mc_dwarf.cpp
@@ -100,7 +100,7 @@ static void MC_dwarf_handle_variable_die(simgrid::mc::ObjectInformation* info, D
 /** \brief Get the DW_TAG_type of the DIE
  *
  *  \param die DIE
- *  \return DW_TAG_type attribute as a new string (NULL if none)
+ *  \return DW_TAG_type attribute as a new string (nullptr if none)
  */
 static std::uint64_t MC_dwarf_at_type(Dwarf_Die * die);
 
@@ -258,7 +258,7 @@ static const char *MC_dwarf_attr_integrate_string(Dwarf_Die * die,
 {
   Dwarf_Attribute attr;
   if (!dwarf_attr_integrate(die, attribute, &attr)) {
-    return NULL;
+    return nullptr;
   } else {
     return dwarf_formstring(&attr);
   }
@@ -272,7 +272,7 @@ static const char *MC_dwarf_attr_integrate_string(Dwarf_Die * die,
  *  DW_AT_MIPS_linkage_name is used (at least by GCC).
  *
  *  \param  the DIE
- *  \return linkage name of the given DIE (or NULL)
+ *  \return linkage name of the given DIE (or nullptr)
  * */
 static const char *MC_dwarf_at_linkage_name(Dwarf_Die * die)
 {
@@ -289,7 +289,7 @@ static Dwarf_Off MC_dwarf_attr_dieoffset(Dwarf_Die * die, int attribute)
     return 0;
   dwarf_attr_integrate(die, attribute, &attr);
   Dwarf_Die subtype_die;
-  if (dwarf_formref_die(&attr, &subtype_die) == NULL)
+  if (dwarf_formref_die(&attr, &subtype_die) == nullptr)
     xbt_die("Could not find DIE");
   return dwarf_dieoffset(&subtype_die);
 }
@@ -302,7 +302,7 @@ static Dwarf_Off MC_dwarf_attr_integrate_dieoffset(Dwarf_Die * die,
     return 0;
   dwarf_attr_integrate(die, DW_AT_type, &attr);
   Dwarf_Die subtype_die;
-  if (dwarf_formref_die(&attr, &subtype_die) == NULL)
+  if (dwarf_formref_die(&attr, &subtype_die) == nullptr)
     xbt_die("Could not find DIE");
   return dwarf_dieoffset(&subtype_die);
 }
@@ -310,7 +310,7 @@ static Dwarf_Off MC_dwarf_attr_integrate_dieoffset(Dwarf_Die * die,
 /** \brief Find the type/subtype (DW_AT_type) for a DIE
  *
  *  \param dit the DIE
- *  \return DW_AT_type reference as a global offset in hexadecimal (or NULL)
+ *  \return DW_AT_type reference as a global offset in hexadecimal (or nullptr)
  */
 static
 std::uint64_t MC_dwarf_at_type(Dwarf_Die * die)
@@ -321,7 +321,7 @@ std::uint64_t MC_dwarf_at_type(Dwarf_Die * die)
 static uint64_t MC_dwarf_attr_integrate_addr(Dwarf_Die * die, int attribute)
 {
   Dwarf_Attribute attr;
-  if (dwarf_attr_integrate(die, attribute, &attr) == NULL)
+  if (dwarf_attr_integrate(die, attribute, &attr) == nullptr)
     return 0;
   Dwarf_Addr value;
   if (dwarf_formaddr(&attr, &value) == 0)
@@ -334,7 +334,7 @@ static uint64_t MC_dwarf_attr_integrate_uint(Dwarf_Die * die, int attribute,
                                              uint64_t default_value)
 {
   Dwarf_Attribute attr;
-  if (dwarf_attr_integrate(die, attribute, &attr) == NULL)
+  if (dwarf_attr_integrate(die, attribute, &attr) == nullptr)
     return default_value;
   Dwarf_Word value;
   return dwarf_formudata(dwarf_attr_integrate(die, attribute, &attr),
@@ -631,7 +631,7 @@ static simgrid::mc::Type MC_dwarf_die_to_type(
   }
 
   const char *name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
-  if (name != NULL) {
+  if (name != nullptr) {
     char* full_name = ns ? bprintf("%s%s::%s", prefix, ns, name) :
       bprintf("%s%s", prefix, name);
     type.name = std::string(full_name);
@@ -672,7 +672,7 @@ static simgrid::mc::Type MC_dwarf_die_to_type(
   case DW_TAG_union_type:
   case DW_TAG_class_type:
     MC_dwarf_add_members(info, die, unit, &type);
-    char *new_ns = ns == NULL ? xbt_strdup(type.name.c_str())
+    char *new_ns = ns == nullptr ? xbt_strdup(type.name.c_str())
         : bprintf("%s::%s", ns, name);
     MC_dwarf_handle_children(info, die, unit, frame, new_ns);
     free(new_ns);
@@ -708,14 +708,14 @@ static std::unique_ptr<simgrid::mc::Variable> MC_die_to_variable(
     return nullptr;
 
   Dwarf_Attribute attr_location;
-  if (dwarf_attr(die, DW_AT_location, &attr_location) == NULL)
+  if (dwarf_attr(die, DW_AT_location, &attr_location) == nullptr)
     // No location: do not add it ?
     return nullptr;
 
   std::unique_ptr<simgrid::mc::Variable> variable =
     std::unique_ptr<simgrid::mc::Variable>(new simgrid::mc::Variable());
   variable->dwarf_offset = dwarf_dieoffset(die);
-  variable->global = frame == NULL;     // Can be override base on DW_AT_location
+  variable->global = frame == nullptr;     // Can be override base on DW_AT_location
   variable->object_info = info;
 
   const char *name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
@@ -790,7 +790,7 @@ static std::unique_ptr<simgrid::mc::Variable> MC_die_to_variable(
     default:
       xbt_die
           ("Unhandled form 0x%x, class 0x%X for DW_AT_start_scope of variable %s",
-           form, (int) form_class, name == NULL ? "?" : name);
+           form, (int) form_class, name == nullptr ? "?" : name);
     }
   }
 
@@ -927,7 +927,7 @@ static void mc_dwarf_handle_namespace_die(simgrid::mc::ObjectInformation* info,
   const char *name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
   if (frame)
     xbt_die("Unexpected namespace in a subprogram");
-  char *new_ns = ns == NULL ? xbt_strdup(name)
+  char *new_ns = ns == nullptr ? xbt_strdup(name)
       : bprintf("%s::%s", ns, name);
   MC_dwarf_handle_children(info, die, unit, frame, new_ns);
   xbt_free(new_ns);
@@ -1005,7 +1005,7 @@ void MC_dwarf_get_variables(simgrid::mc::ObjectInformation* info)
   if (fd < 0)
     xbt_die("Could not open file %s", info->file_name.c_str());
   Dwarf *dwarf = dwarf_begin(fd, DWARF_C_READ);
-  if (dwarf == NULL)
+  if (dwarf == nullptr)
     xbt_die("Missing debugging information in %s\n"
       "Your program and its dependencies must have debugging information.\n"
       "You might want to recompile with -g or install the suitable debugging package.\n",
@@ -1020,11 +1020,11 @@ void MC_dwarf_get_variables(simgrid::mc::ObjectInformation* info)
   Dwarf_Off next_offset = 0;
   size_t length;
 
-  while (dwarf_nextcu(dwarf, offset, &next_offset, &length, NULL, NULL, NULL) ==
+  while (dwarf_nextcu(dwarf, offset, &next_offset, &length, nullptr, NULL, NULL) ==
          0) {
     Dwarf_Die unit_die;
-    if (dwarf_offdie(dwarf, offset + length, &unit_die) != NULL)
-      MC_dwarf_handle_children(info, &unit_die, &unit_die, NULL, NULL);
+    if (dwarf_offdie(dwarf, offset + length, &unit_die) != nullptr)
+      MC_dwarf_handle_children(info, &unit_die, &unit_die, nullptr, NULL);
     offset = next_offset;
   }