fix for potentially empty names

[simgrid.git] / src / smpi / include / smpi_win.hpp

diff --git a/src/smpi/include/smpi_win.hpp b/src/smpi/include/smpi_win.hpp
index e638736..090e898 100644 (file)
--- a/src/smpi/include/smpi_win.hpp
+++ b/src/smpi/include/smpi_win.hpp
@@ -54,7 +54,7 @@ public:
   int attach (void *base, MPI_Aint size);
   int detach (const void *base);
   void get_name(char* name, int* length) const;
-  std::string name() const {return name_;}
+  std::string name() const {return name_.empty() ? std::string("MPI_Win") : name_;}
   void get_group( MPI_Group* group);
   void set_name(const char* name);
   int rank() const;