diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c04ae81b96f..3b4d65abef7 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-04-01 Jerry DeLisle + + PR libgfortran/31052 + * gfortran.dg/namelist_28.f90: New test. + 2007-04-01 Jerry DeLisle PR libgfortran/31366 diff --git a/gcc/testsuite/gfortran.dg/namelist_28.f90 b/gcc/testsuite/gfortran.dg/namelist_28.f90 new file mode 100644 index 00000000000..53b1f0ff002 --- /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 +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