ESMF_VMSetEnv Subroutine

  subroutine ESMF_VMSetEnv(name, value, rc)
!
! !ARGUMENTS:
    character(*), intent(in)            :: name
    character(*), intent(in)            :: value
    integer,      intent(out), optional :: rc
!
! !DESCRIPTION:
!   Set environment variable cached in the Global VM. Potentially override what
!   came from the shell environment.
!
!   The arguments are:
!   \begin{description}
!     \item [name]
!        The name of the environment variable.
!     \item [value]
!        The value of the environment variable.
!   \item[{[rc]}] 
!        Return code; equals {\tt ESMF\_SUCCESS} if there are no errors.
!   \end{description}
!
!EOPI
!------------------------------------------------------------------------------
    integer                 :: localrc      ! local return code

    ! Call into the C++ interface.
    call c_ESMC_VMSetEnv(name, value, localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, &
      ESMF_CONTEXT, rcToReturn=rc)) return

    ! return successfully
    if (present(rc)) rc = ESMF_SUCCESS

  end subroutine ESMF_VMSetEnv