Use std::string for f2c keys.

[simgrid.git] / src / smpi / mpi / smpi_group.cpp

diff --git a/src/smpi/mpi/smpi_group.cpp b/src/smpi/mpi/smpi_group.cpp
index dceefb9..c52e2a7 100644 (file)
--- a/src/smpi/mpi/smpi_group.cpp
+++ b/src/smpi/mpi/smpi_group.cpp
@@ -319,8 +319,7 @@ MPI_Group Group::f2c(int id) {
   if(id == -2) {
     return MPI_GROUP_EMPTY;
   } else if(F2C::f2c_lookup() != nullptr && id >= 0) {
-    char key[KEY_SIZE];
-    return static_cast<MPI_Group>(F2C::f2c_lookup()->at(get_key(key, id)));
+    return static_cast<MPI_Group>(F2C::f2c_lookup()->at(get_key(id)));
   } else {
     return MPI_GROUP_NULL;
   }