-void mpi_comm_set_name_ (int* comm, char* name, int* ierr, int size){
- char* tname = xbt_new(char, size+1);
- strncpy(tname, name, size);
- tname[size]='\0';
- *ierr = MPI_Comm_set_name (simgrid::smpi::Comm::f2c(*comm), tname);
- xbt_free(tname);
+void mpi_comm_set_name_ (int* comm, char* name, int* ierr){
+ int count;
+ for(count=MPI_MAX_OBJECT_NAME-1; count>=0 && name[count]==' '; count--);
+ count+=1;
+ std::string tname(name, count);
+ *ierr = MPI_Comm_set_name(simgrid::smpi::Comm::f2c(*comm), tname.c_str());