Dynamic cast without checking result is slow and useless. Use static cast.

[simgrid.git] / src / s4u / s4u_Host.cpp

diff --git a/src/s4u/s4u_Host.cpp b/src/s4u/s4u_Host.cpp
index 5e6879c..572ee4a 100644 (file)
--- a/src/s4u/s4u_Host.cpp
+++ b/src/s4u/s4u_Host.cpp
@@ -31,7 +31,7 @@ simgrid::xbt::signal<void(Host&)> Host::on_speed_change;
 
 Host::Host(std::string name) : name_(std::move(name))
 {
-  xbt_assert(Host::by_name_or_null(name_) == nullptr, "Refusing to create a second host named '%s'.", name_.c_str());
+  xbt_assert(Host::by_name_or_null(name_) == nullptr, "Refusing to create a second host named '%s'.", get_cname());
   Engine::get_instance()->host_register(std::string(name_), this);
   new simgrid::surf::HostImpl(this);
 }
@@ -366,12 +366,6 @@ sg_host_t sg_host_by_name(const char* name)
   return simgrid::s4u::Host::by_name_or_null(name);
 }
 
-static int hostcmp_voidp(const void* pa, const void* pb)
-{
-  return strcmp((*static_cast<simgrid::s4u::Host* const*>(pa))->get_cname(),
-                (*static_cast<simgrid::s4u::Host* const*>(pb))->get_cname());
-}
-
 xbt_dynar_t sg_hosts_as_dynar()
 {
   xbt_dynar_t res = xbt_dynar_new(sizeof(sg_host_t), nullptr);
@@ -382,7 +376,11 @@ xbt_dynar_t sg_hosts_as_dynar()
     if (host && host->pimpl_netpoint && host->pimpl_netpoint->is_host())
       xbt_dynar_push(res, &host);
   }
-  xbt_dynar_sort(res, hostcmp_voidp);
+  xbt_dynar_sort(res, [](const void* pa, const void* pb) {
+    const std::string& na = (*static_cast<simgrid::s4u::Host* const*>(pa))->get_name();
+    const std::string& nb = (*static_cast<simgrid::s4u::Host* const*>(pb))->get_name();
+    return na.compare(nb);
+  });
   return res;
 }