gcc/testsuite/gfortran.dg/bind_c_usage_17.f90

   1 ! { dg-do run }
   2 ! { dg-additional-sources bind_c_usage_17_c.c }
   3 !
   4 ! PR fortran/37201
   5 !
   6 !
   7 !
   8 MODULE mod
   9   INTERFACE
  10     FUNCTION cdir() BIND(C,name="cdir") RESULT(r)
  11       USE iso_c_binding
  12       CHARACTER(kind=C_CHAR) :: r
  13     END FUNCTION
  14   END INTERFACE
  15 END MODULE
  16
  17 PROGRAM test
  18   USE mod
  19   integer :: i = -43
  20   character(len=1) :: str1
  21   character(len=4) :: str4
  22   str1 = 'x'
  23   str4 = 'xyzz'
  24   str1 = cdir()
  25   if(str1 /= '/') STOP 1
  26   str4 = cdir()
  27   if(str4 /= '/' .or. ichar(str4(2:2)) /= 32) STOP 2
  28   i   = ICHAR(cdir())
  29   if (i /= 47) STOP 3
  30   str4 = 'xyzz'
  31   WRITE(str4,'(a)') cdir()
  32   if(str4 /= '/' .or. ichar(str4(2:2)) /= 32) STOP 4
  33   str4 = 'xyzz'
  34   WRITE(str4,'(i0)') ICHAR(cdir())
  35   if(str4 /= '47' .or. ichar(str4(3:3)) /= 32) STOP 5
  36 END PROGRAM