DAMASK_EICMD/code/system_routines.f90

76 lines
2.2 KiB
Fortran

!--------------------------------------------------------------------------------------------------
!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
!> @brief provides wrappers to C routines
!--------------------------------------------------------------------------------------------------
module system_routines
implicit none
private
public :: &
isDirectory, &
getCWD
interface
function isDirectory_C(path) BIND(C)
use, intrinsic :: ISO_C_Binding, only: &
C_INT, &
C_CHAR
integer(C_INT) :: isDirectory_C
character(kind=C_CHAR),intent(in) :: path(*)
end function isDirectory_C
subroutine getCurrentWorkDir_C(str_out, stat) bind(C)
use, intrinsic :: ISO_C_Binding, only: &
C_INT, &
C_CHAR
character( kind=c_char ), dimension(*), intent(inout) :: str_out
integer(C_INT),intent(out) :: stat
end subroutine getCurrentWorkDir_C
end interface
contains
!--------------------------------------------------------------------------------------------------
!> @brief figures out if a given path is a directory (and not an ordinary file)
!--------------------------------------------------------------------------------------------------
logical function isDirectory(path)
use, intrinsic :: ISO_C_Binding, only: &
C_INT
implicit none
character(len=*), intent(in) :: path
isDirectory=merge(.True.,.False.,isDirectory_C(trim(path)) /= 0_C_INT)
end function isDirectory
!--------------------------------------------------------------------------------------------------
!> @brief gets the current working directory
!--------------------------------------------------------------------------------------------------
logical function getCWD(str)
use, intrinsic :: ISO_C_Binding, only: &
C_INT, &
C_CHAR, &
C_NULL_CHAR
implicit none
character(len=*), intent(out) :: str
character(len=1024) :: strFixedLength
integer(C_INT) :: stat
str = repeat(C_NULL_CHAR,1024)
call getCurrentWorkDir_C(strFixedLength,stat)
str = strFixedLength(1:scan(strFixedLength,C_NULL_CHAR,.True.)-1)
getCWD=merge(.True.,.False.,stat /= 0_C_INT)
end function getCWD
end module system_routines