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!
! { dg-do run }
!
! PR117643 F_C_STRING from F23 is missing.
! Test case and initial patch provided by Steve Kargl.
program foo
use iso_c_binding, only : c_null_char, c_char, f_c_string, c_size_t
implicit none
logical asis
character(len=6, kind=c_char) :: s1
character(len=:, kind=c_char), allocatable :: s2
interface
!
! strlen() counts up to '\0', and excludes it from the count
!
function strlen(s) bind(c,name="strlen")
import c_char, c_size_t
integer(c_size_t) strlen
character(len=1,kind=c_char), intent(in) :: s(*)
end function strlen
end interface
s1 = 'abc '
s2 = f_c_string(s1)
if (len_trim(s1) /= int(strlen(s2), 4)) stop 1
s1 = ' ghij '
s2 = f_c_string(s1)
if (len_trim(s1) /= int(strlen(s2), 4)) stop 2
s2 = f_c_string(s1, .true.)
if (len(s1) /= int(strlen(s2), 4)) stop 3
s2 = f_c_string(s1, .false.)
if (len_trim(s1) /= int(strlen(s2), 4)) stop 4
asis = .true.
s2 = f_c_string(s1, asis)
if (len(s1) /= int(strlen(s2), 4)) stop 5
asis = .false.
s2 = f_c_string(s1, asis)
if (len_trim(s1) /= int(strlen(s2), 4)) stop 6
end program foo
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