| ! { dg-do compile } |
| ! PR 38536 - don't reject substring of length one |
| ! Original test case by Scot Breitenfeld |
| SUBROUTINE test(buf, buf2, buf3, n) |
| USE, INTRINSIC :: ISO_C_BINDING |
| IMPLICIT NONE |
| CHARACTER(LEN=*), INTENT(INOUT), TARGET :: buf |
| INTEGER, INTENT(in) :: n |
| CHARACTER(LEN=*), INTENT(INOUT), DIMENSION(1:2), TARGET :: buf2 |
| CHARACTER(LEN=3), TARGET :: buf3 |
| TYPE(C_PTR) :: f_ptr |
| |
| f_ptr = C_LOC(buf(1:1)) ! Used to fail |
| ! Error: CHARACTER argument 'buf' to 'c_loc' |
| ! at (1) must have a length of 1 |
| f_ptr = C_LOC(buf2(1)(1:1)) ! PASSES |
| |
| f_ptr = C_LOC(buf(n:n)) |
| |
| f_ptr = C_LOC(buf3(3:)) |
| END SUBROUTINE test |