From: Tobias Burnus <burnus@net-b.de>
To: gcc patches <gcc-patches@gcc.gnu.org>, gfortran <fortran@gcc.gnu.org>
Subject: Re: [Patch, Fortran] -std=f2008tr, TR 29113 and OPTIONAL arguments with BIND(C)
Date: Thu, 05 May 2011 20:18:00 -0000 [thread overview]
Message-ID: <4DC305E5.1090804@net-b.de> (raw)
In-Reply-To: <4DC23986.6080904@net-b.de>
[-- Attachment #1: Type: text/plain, Size: 129 bytes --]
> Build and regtested on x86-64-linux
> OK for the trunk?
I forgot to include a run-time test case. Find one attached.
Tobias
[-- Attachment #2: bind_c_usage_24.f90 --]
[-- Type: text/plain, Size: 968 bytes --]
! { dg-do run }
! { dg-additional-sources bind_c_usage_24_c.c }
!
! PR fortran/48858
! PR fortran/48820
!
! TR 29113: BIND(C) with OPTIONAL
!
module m
use iso_c_binding
interface
subroutine c_proc (is_present, var) bind(C)
import
logical(c_bool), value :: is_present
integer(c_int), optional :: var
end subroutine
end interface
contains
subroutine subtest (is_present, var) bind(C)
logical(c_bool), intent(in), value :: is_present
integer(c_int), intent(inout), optional :: var
if (is_present) then
if (.not. present (var)) call abort ()
if (var /= 43) call abort ()
var = -45
else
if (present (var)) call abort ()
end if
end subroutine subtest
end module m
program test
use m
implicit none
integer :: val
val = 4
call c_proc (.false._c_bool)
call c_proc (.true._c_bool, val)
if (val /= 7) call abort ()
end program test
! { dg-final { cleanup-modules "m" } }
[-- Attachment #3: bind_c_usage_24_c.c --]
[-- Type: text/x-csrc, Size: 376 bytes --]
/* Compiled and linked by bind_c.f90. */
#include <stdlib.h>
void subtest (_Bool, int *);
void
c_proc (_Bool present, int *val)
{
int val2;
if (!present && val)
abort ();
else if (present)
{
if (!val) abort ();
if (*val != 4) abort ();
*val = 7;
}
val2 = 43;
subtest (1, &val2);
subtest (0, NULL);
if (val2 != -45) abort ();
}
next prev parent reply other threads:[~2011-05-05 20:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-05 6:08 Tobias Burnus
2011-05-05 20:18 ` Tobias Burnus [this message]
2011-05-06 16:22 ` Jerry DeLisle
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