File: iso_c_binding_c_loc_char_1.f03

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (21 lines) | stat: -rw-r--r-- 698 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
! { 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