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| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2024-03-26 16:44:17 -0700 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2024-03-26 17:13:51 -0700 |
| commit | 41e767c482fc903ca5d54014b034c7526dbf8f1c (patch) | |
| tree | 0414ba62d07a5e77d797ce128f96d20e06d69a62 | |
| parent | fb1d50e1f6e07c146999b1b773043c140fdc72b5 (diff) | |
| download | gcc-41e767c482fc903ca5d54014b034c7526dbf8f1c.zip gcc-41e767c482fc903ca5d54014b034c7526dbf8f1c.tar.gz gcc-41e767c482fc903ca5d54014b034c7526dbf8f1c.tar.bz2 | |
libgfortran: Fix file position after ENDFILE statement.
PR libfortran/107031
libgfortran/ChangeLog:
* io/file_pos.c (st_endfile): Remove call to next_record().
gcc/testsuite/ChangeLog:
* gfortran.dg/endfile_5.f90: New test.
| -rw-r--r-- | gcc/testsuite/gfortran.dg/endfile_5.f90 | 30 | ||||
| -rw-r--r-- | libgfortran/io/file_pos.c | 1 |
2 files changed, 30 insertions, 1 deletions
diff --git a/gcc/testsuite/gfortran.dg/endfile_5.f90 b/gcc/testsuite/gfortran.dg/endfile_5.f90 new file mode 100644 index 0000000..90eaa6b --- /dev/null +++ b/gcc/testsuite/gfortran.dg/endfile_5.f90 @@ -0,0 +1,30 @@ +! { dg-do run } +! PR107031 Check that endfile truncates at end of record 5. +program test_truncate + integer :: num_rec, tmp, i, nr, j + open(10, file="in.dat", action='readwrite') + + do i=1,10 + write(10, *) i + end do + + rewind (10) + + num_rec = 5 + i = 1 + ioerr = 0 + do while (i <= num_rec .and. ioerr == 0) + read(10, *, iostat=ioerr) tmp + i = i + 1 + enddo + endfile(10) + rewind (10) + i = 0 + ioerr = 0 + do while (i <= num_rec + 1 .and. ioerr == 0) + read(10, *, iostat=ioerr) j + i = i + 1 + end do + close(10, status='delete') + if (i - 1 /= 5) stop 1 +end program test_truncate diff --git a/libgfortran/io/file_pos.c b/libgfortran/io/file_pos.c index 2bc05b2..d169961 100644 --- a/libgfortran/io/file_pos.c +++ b/libgfortran/io/file_pos.c @@ -352,7 +352,6 @@ st_endfile (st_parameter_filepos *fpp) dtp.common = fpp->common; memset (&dtp.u.p, 0, sizeof (dtp.u.p)); dtp.u.p.current_unit = u; - next_record (&dtp, 1); } unit_truncate (u, stell (u->s), &fpp->common); |