2006-02-12 Janne Blomqvist <jb@gcc.gnu.org>
PR libgfortran/25949
* io/io.h: Add set function pointer to struct stream.
* io/unix.c (fd_seek): Only update offset, don't seek.
(fd_sset): New function.
(fd_read): Call lseek directly if necessary.
(fd_write): Likewise.
(fd_open): Set pointer to fd_sset.
(mem_set): New function.
(open_internal): Set pointer to mem_set.
* io/transfer.c (write_block_direct): Rename to write_buf, add
error return, non-pointer length argument.
(unformatted_write): Update to use write_buf.
(us_write): Simplify by using swrite instead of salloc_w.
(write_us_marker): New function.
(new_record_w): Use sset instead of memset, use write_us_marker,
simplify by using swrite instead of salloc_w.
From-SVN: r110895
