+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
--- /dev/null
+! { 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
+
s->ndirty += nbyte;
}
else
- {
- if (s->file_length != -1 && s->physical_offset != s->logical_offset
- && lseek (s->fd, s->logical_offset, SEEK_SET) < 0)
- return -1;
- nbyte = raw_write (s, buf, nbyte);
- s->physical_offset += nbyte;
- }
+ {
+ if (s->file_length != -1 && s->physical_offset != s->logical_offset)
+ {
+ if (lseek (s->fd, s->logical_offset, SEEK_SET) < 0)
+ return -1;
+ s->physical_offset = s->logical_offset;
+ }
+
+ nbyte = raw_write (s, buf, nbyte);
+ s->physical_offset += nbyte;
+ }
}
s->logical_offset += nbyte;
/* Don't increment file_length if the file is non-seekable. */