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Part 1 of PR 25561.
authorjb <jb@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 15 May 2008 15:53:34 +0000 (15:53 +0000)
committerjb <jb@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 15 May 2008 15:53:34 +0000 (15:53 +0000)
commitd875179d7d2d8f4aa45d4f06379b3b1b111ac43b
tree92c8aa4fe936ead640e8d996aa90baaf7c81a1a9
parente66b310fb9a3ddc7ed5143db3c468711c8a36d08
Part 1 of PR 25561.

2008-05-15  Janne Blomqvist  <jb@gcc.gnu.org>

PR libfortran/25561
* Makefile.am: Add fbuf.c to gfor_io_src.
* Makefile.in: Regenerate.
* io/io.h (read_block): Remove.
(struct stream): Remove alloc_r_at function pointer.
(salloc_r): Remove.
(salloc_r_at): Remove.
(salloc_w_at): Remove.
(salloc_w): Remove offset argument.
(struct fbuf): New struct for format buffer.
(struct gfc_unit): Add fbuf.
(read_block_form): New prototype.
(fbuf_init): Likewise.
(fbuf_destroy): Likewise.
(fbuf_reset): Likewise.
(fbuf_alloc): Likewise.
(fbuf_flush): Likewise.
(fbuf_seek): Likewise.
* io/file_pos.c (formatted_backspace): Change to use sread.
(unformatted_backspace): Likewise.
(st_backspace): Flush format buffer.
(st_rewind): Likewise.
* io/list_read.c (next_char): Likewise.
(nml_query): Tidying, flush format buffer.
* io/open.c (new_unit): Init format buffer.
* io/read.c (read_l): Change to use read_block_form.
(read_a): Likewise.
(read_decimal): Likewise.
(read_radix): Likewise.
(read_f): Likewise.
(read_x): Empty reads also for stream I/O.
* io/transfer.c (read_sf): Change to use sread.
(read_block): Rename to read_block_form, change prototype, use sread.
(read_block_direct): Don't seek stream files.
(write_block): Change to use fbuf if external file, don't seek stream
files.
(write_buf): Don't seek stream files.
(formatted_transfer_scalar): Use fbuf for external files.
(us_read): Change to use sread.
(pre_position): Do nothing for stream I/O.
(data_transfer_init): Flush fbuf when switching from write to read, if
POS is specified, seek stream file to correct offset.
(skip_record): Change to use sread.
(min_off): New function.
(next_record_r): Change to use sread.
(next_record_w): Change to use sset/sseek, flush fbuf.
(finalize_transfer): Flush fbuf.
* io/unit.c (init_units): Init fbuf for stdout, stderr.
(close_unit_1): Destroy fbuf.
(finish_last_advance_record): Flush fbuf, no need to seek.
* io/unix.c (fd_alloc_r_at): Remove unused where argument.
(fd_alloc_w_at): Likewise.
(fd_read): Remove third argument to fd_alloc_r_at.
(fd_write): Remove third argument to fd_alloc_w_at.
(fd_sset): Likewise.
(fd_open): Don't set alloc_r_at.
(mem_alloc_r_at): Remove unused where argument.
(mem_alloc_w_at): Likewise.
(mem_read): Don't incorrectly return previous errno, remove unused
third argument to alloc function.
(mem_write): Likewise.
(mem_set): Likewise.
(open_internal): Don't set alloc_r_at pointer.
* io/fbuf.c: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@135373 138bc75d-0d04-0410-961f-82ee72b054a4
libgfortran/Makefile.am
libgfortran/Makefile.in
libgfortran/io/file_pos.c
libgfortran/io/io.h
libgfortran/io/list_read.c
libgfortran/io/open.c
libgfortran/io/read.c
libgfortran/io/transfer.c
libgfortran/io/unit.c
libgfortran/io/unix.c