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author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2007-04-01 17:33:13 +0000 |
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committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2007-04-01 17:33:13 +0000 |
commit | a616b1da79fa53234feb3367578720f0d6573cdc (patch) | |
tree | 124e47d6539a871f893d7ecce76be7243aeb0750 /gcc | |
parent | 08f9246a4574b9882c67bc64fabc69817142948f (diff) | |
download | gcc-a616b1da79fa53234feb3367578720f0d6573cdc.zip gcc-a616b1da79fa53234feb3367578720f0d6573cdc.tar.gz gcc-a616b1da79fa53234feb3367578720f0d6573cdc.tar.bz2 |
re PR libfortran/31052 ([4.2 only] Bad IOSTAT values when readings NAMELISTs past EOF)
2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31052
* gfortran.dg/namelist_28.f90: New test.
From-SVN: r123404
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/gfortran.dg/namelist_28.f90 | 90 |
2 files changed, 95 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c04ae81..3b4d65a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org> + PR libgfortran/31052 + * gfortran.dg/namelist_28.f90: New test. + +2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org> + PR libgfortran/31366 * gfortran.dg/direct_io_6.f90: New test. diff --git a/gcc/testsuite/gfortran.dg/namelist_28.f90 b/gcc/testsuite/gfortran.dg/namelist_28.f90 new file mode 100644 index 0000000..53b1f0f --- /dev/null +++ b/gcc/testsuite/gfortran.dg/namelist_28.f90 @@ -0,0 +1,90 @@ +! { dg-do run } +! PR31052 Bad IOSTAT values when readings NAMELISTs past EOF. +! Patch derived from PR, submitted by Jerry DeLisle <jvdelisle@gcc.gnu.org> +program gfcbug61 + implicit none + integer, parameter :: nmlunit = 12 ! Namelist unit + integer :: stat + + open (nmlunit, status="scratch") + write(nmlunit, '(a)') "&REPORT type='report1' /" + write(nmlunit, '(a)') "&REPORT type='report2' /" + write(nmlunit, '(a)') "!" + rewind (nmlunit) + +! The call to position_nml is contained in the subroutine + call read_report (nmlunit, stat) + rewind (nmlunit) + call position_nml (nmlunit, 'MISSING', stat) + rewind (nmlunit) + call read_report (nmlunit, stat) ! gfortran fails here + +contains + + subroutine position_nml (unit, name, status) + ! Check for presence of namelist 'name' + integer :: unit, status + character(len=*), intent(in) :: name + + character(len=255) :: line + integer :: ios, idx + logical :: first + + first = .true. + status = 0 + do + line = "" + read (unit,'(a)',iostat=ios) line + if (ios < 0) then + ! EOF encountered! + backspace (unit) + status = -1 + return + else if (ios > 0) then + ! Error encountered! + status = +1 + return + end if + idx = index (line, "&"//trim (name)) + if (idx > 0) then + backspace (unit) + return + end if + end do + end subroutine position_nml + + subroutine read_report (unit, status) + integer :: unit, status + + integer :: iuse, ios + !------------------ + ! Namelist 'REPORT' + !------------------ + character(len=12) :: type + namelist /REPORT/ type + !------------------------------------- + ! Loop to read namelist multiple times + !------------------------------------- + iuse = 0 + do + !---------------------------------------- + ! Preset namelist variables with defaults + !---------------------------------------- + type = '' + !-------------- + ! Read namelist + !-------------- + call position_nml (unit, "REPORT", status) + if (stat /= 0) then + ios = status + if (iuse /= 2) call abort() + return + end if + read (unit, nml=REPORT, iostat=ios) + if (ios /= 0) exit + iuse = iuse + 1 + end do + status = ios + end subroutine read_report + +end program gfcbug61 |