X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/8f8bd4e0654bdeadb3653e14cd6f3ee8aa465443..f99ea9ab3aeeee56a34fe68d763148a1dd83cdf6:/include/xbt/functional.hpp

diff --git a/include/xbt/functional.hpp b/include/xbt/functional.hpp
index 10c16bf98a..64c3caac9d 100644
--- a/include/xbt/functional.hpp
+++ b/include/xbt/functional.hpp
@@ -1,5 +1,4 @@
-/* Copyright (c) 2015-2016. The SimGrid Team.
- * All rights reserved.                                                     */
+/* Copyright (c) 2015-2017. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -21,8 +20,8 @@
 #include <utility>
 #include <vector>
 
-#include <xbt/sysdep.h>
-#include <xbt/utility.hpp>
+#include "xbt/sysdep.h"
+#include "xbt/utility.hpp"
 
 namespace simgrid {
 namespace xbt {
@@ -39,14 +38,17 @@ public:
   {}
   void operator()() const
   {
-    char noarg[] = {'\0'};
     const int argc = args_->size();
     std::vector<std::string> args = *args_;
-    std::unique_ptr<char*[]> argv(new char*[argc + 1]);
-    for (int i = 0; i != argc; ++i)
-      argv[i] = args[i].empty() ? noarg : &args[i].front();
-    argv[argc] = nullptr;
-    code_(argc, argv.get());
+    if (not args.empty()) {
+      char noarg[] = {'\0'};
+      std::unique_ptr<char* []> argv(new char*[argc + 1]);
+      for (int i = 0; i != argc; ++i)
+        argv[i]  = args[i].empty() ? noarg : &args[i].front();
+      argv[argc] = nullptr;
+      code_(argc, argv.get());
+    } else
+      code_(argc, nullptr);
   }
 };
 
@@ -128,8 +130,8 @@ private:
     std::pair<void(whatever::*)(), whatever*> memberptr;
     char any1[sizeof(std::pair<void(*)(),void*>)];
     char any2[sizeof(std::pair<void(whatever::*)(), whatever*>)];
-    TaskUnion() {}
-    ~TaskUnion() {}
+    TaskUnion() { /* Nothing to do */}
+    ~TaskUnion() { /* Nothing to do */}
   };
 #endif
 
@@ -168,9 +170,8 @@ private:
   }
 
 public:
-
-  Task() {}
-  Task(std::nullptr_t) {}
+  Task() { /* Nothing to do */}
+  Task(std::nullptr_t) { /* Nothing to do */}
   ~Task()
   {
     this->clear();
@@ -207,11 +208,11 @@ private:
   {
     const static TaskVtable vtable {
       // Call:
-      [](TaskUnion& buffer, Args... args) -> R {
+      [](TaskUnion& buffer, Args... args) {
         F* src = reinterpret_cast<F*>(&buffer);
         F code = std::move(*src);
         src->~F();
-        code(std::forward<Args>(args)...);
+        return code(std::forward<Args>(args)...);
       },
       // Destroy:
       std::is_trivially_destructible<F>::value ?
@@ -232,13 +233,11 @@ private:
     vtable_ = &vtable;
   }
 
-  template<class F>
-  typename std::enable_if<!canSBO<F>()>::type
-  init(F code)
+  template <class F> typename std::enable_if<not canSBO<F>()>::type init(F code)
   {
     const static TaskVtable vtable {
       // Call:
-      [](TaskUnion& buffer, Args... args) -> R {
+      [](TaskUnion& buffer, Args... args) {
         // Delete F when we go out of scope:
         std::unique_ptr<F> code(*reinterpret_cast<F**>(&buffer));
         return (*code)(std::forward<Args>(args)...);