1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
! { dg-do compile }
! Length of character dummy variable with VALUE attribute:
! - must be initialization expression or omitted
! - C interoperable: must be initialization expression of length one
! or omitted
!
! Contributed by Tobias Burnus
program x
implicit none
character(10) :: c1,c10
c1 = 'H'
c10 = 'Main'
call foo1(c1)
call foo2(c1)
call foo3(c10)
call foo4(c10)
call bar1(c1)
call bar2(c1)
call bar3(c10)
call bar4(c10)
contains
subroutine foo1(a)
character :: a
value :: a
end subroutine foo1
subroutine foo2(a)
character(1) :: a
value :: a
end subroutine foo2
subroutine foo3(a)
character(10) :: a
value :: a
end subroutine foo3
subroutine foo4(a) ! { dg-error "VALUE attribute must have constant length" }
character(*) :: a
value :: a
end subroutine foo4
subroutine bar1(a)
use iso_c_binding, only: c_char
character(kind=c_char) :: a
value :: a
end subroutine bar1
subroutine bar2(a)
use iso_c_binding, only: c_char
!character(kind=c_char,len=1) :: a
character(1,kind=c_char) :: a
value :: a
end subroutine bar2
subroutine bar3(a) ! { dg-error "VALUE attribute must have length one" }
use iso_c_binding, only: c_char
character(kind=c_char,len=10) :: a
value :: a
end subroutine bar3
subroutine bar4(a) ! { dg-error "VALUE attribute must have constant length" }
use iso_c_binding, only: c_char
character(kind=c_char,len=*) :: a
value :: a
end subroutine bar4
end program x
|
