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| author | Tobias Burnus <burnus@net-b.de> | 2010-03-29 08:17:19 +0200 |
|---|---|---|
| committer | Tobias Burnus <burnus@gcc.gnu.org> | 2010-03-29 08:17:19 +0200 |
| commit | 10fa280a98a0e0b2f3f155262a0886de314f46fc (patch) | |
| tree | 0fa226acca58f291807801694e83907d2a7de3c8 /gcc | |
| parent | 090f6087fee1dacd55c489f85000d894d8f4f010 (diff) | |
| download | gcc-10fa280a98a0e0b2f3f155262a0886de314f46fc.zip gcc-10fa280a98a0e0b2f3f155262a0886de314f46fc.tar.gz gcc-10fa280a98a0e0b2f3f155262a0886de314f46fc.tar.bz2 | |
re PR libfortran/43551 (Buffered direct I/O reads wrong record)
2010-03-29 Tobias Burnus <burnus@net-b.de>
PR fortran/43551
* io/unix.c (buf_write): Set physical_offset after lseek.
2010-03-29 Tobias Burnus <burnus@net-b.de>
PR fortran/43551
* gfortran.dg/direct_io_12.f90: New test.
From-SVN: r157792
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/direct_io_12.f90 | 33 |
2 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index df9d597..b231246 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-03-29 Tobias Burnus <burnus@net-b.de> + + PR fortran/43551 + * gfortran.dg/direct_io_12.f90: New test. + 2010-03-28 Jan Hubicka <jh@suse.cz> PR tree-optimization/43505 diff --git a/gcc/testsuite/gfortran.dg/direct_io_12.f90 b/gcc/testsuite/gfortran.dg/direct_io_12.f90 new file mode 100644 index 0000000..5336702 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/direct_io_12.f90 @@ -0,0 +1,33 @@ +! { dg-do run } +! +! PR fortran/43551 +! +! Writes a 672000 byte file with buffering. The writing failed because +! of a missing lseek. + +implicit none +integer, parameter :: size = 2800 ! << needs to be large enough +real(8) :: vec1(size,30), dummy(size) +integer i + +CALL RANDOM_NUMBER(vec1) + +open(99, file='test.dat', form='unformatted', access='direct', recl=size*8) +do i = 1, 10 + write(99,rec=i) vec1(:,i) + write(99,rec=i+10) vec1(:,i+10) + write(99,rec=i+20) vec1(:,i+20) ! << rec = 30 was written to rec = 21 +end do + +do i = 1, 10 + read(99,rec=i) dummy + if (any (dummy /= vec1(:,i))) call abort() + read(99,rec=i+10) dummy + if (any (dummy /= vec1(:,i+10))) call abort() + read(99,rec=i+20) dummy + if (any (dummy /= vec1(:,i+20))) call abort() ! << aborted here for rec = 21 +end do + +close(99, status='delete') +end + |