2007-04-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/31532
* io/file_pos.c (st_backspace): Set flags.position for end of file
condition and use new function update_position.
(st_endfile): Use new function update_position.
* io/io.h: Add prototype for new function.
* io/inquire.c (inquire_via_unit): If not direct access, set NEXTREC
to zero.
* io/unit.c (update_position): New function to update position info
used by inquire.
* io/transfer.c (next_record): Fix typo and use new function.
From-SVN: r124252
2007-04-23 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/31618
* io/transfer.c (read_block_direct): Instead of calling us_read,
set dtp->u.p.current_unit->current_record = 0 so that pre_position
will read the record marker.
(data_transfer_init): For different error conditions, call
generate_error, then return.
2007-04-23 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/31618
* gfortran.dg/backspace_8.f: New test case.
From-SVN: r124079
2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31052
* io/open.c (test_endfile): Delete this function.
(edit_modes): Delete call to test_endfile.
(new_unit): Likewise.
* io/io.h: Delete prototype for test_endfile.
* io/transfer.c (next_record_r): Remove use of test_endfile.
(st_read): Add test for end file condition and adjust status.
From-SVN: r123403
2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31366
* io/transfer.c (read_block_direct): Do not generate error when reading
past EOF on a short record that is less than the RECL= specified.
2007-04-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31207
* io/unit.c (close_unit_1): If there are bytes previously written from
ADVANCE="no", move to the end before closing.
From-SVN: r123401
2007-03-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31052
* io/transfer.c (next_record_r): Do not call test_endfile if in namelist
mode.
From-SVN: r123284
2007-03-25 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31199
*io/io.h: Add saved_pos to gfc_unit structure.
*io/open.c (new_unit): Initialize saved_pos.
*io/transfer.c (data_transfer_init): Set max_pos to value in saved_pos.
(next_record_w): Fix whitespace.
(finalze_transfer): Calculate max_pos for ADVANCE="no" and save it for
later use. If not ADVANCE="no" set saved_pos to zero.
From-SVN: r123205
2007-03-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31052
* io/file_position (st_rewind): Fix comments. Remove use of
test_endfile. Don't seek if already at 0 position. Use new is_special
function to set endfile state.
* io/open.c (test_endfile): Delete this function.
* io/io.h: Delete prototype for test_endfile. Add prototype
for is_special.
* io/unix.c (is_special): New function. Fix whitespace.
* io/transfer.c (next_record_r): Remove use of test_endfile.
From-SVN: r123038
2007-03-14 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31051
* io/transfer.c (formatted_transfer_scalar): Adjust position for pending
spaces when in writing mode. Clean up some formatting.
From-SVN: r122940
2007-03-09 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/31099
* io/open.c (new_unit): Initialize bytes_left and recl_subrecord.
* io/transfer.c (next_record_w): Set bytes left to record length for
sequential unformatted I/O.
(next_record_r): Ditto.
(read_block_direct): Fix test for exceeding bytes_left.
From-SVN: r122763
2007-02-02 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30284
PR fortran/30626
* trans-expr.c (gfc_conv_aliased_arg): Remove static attribute
from function and make sure that substring lengths are
translated.
(is_aliased_array): Remove static attribute.
* trans.c : Add prototypes for gfc_conv_aliased_arg and
is_aliased_array.
* trans-io.c (set_internal_unit): Add the post block to the
arguments of the function. Use is_aliased_array to check if
temporary is needed; if so call gfc_conv_aliased_arg.
(build_dt): Pass the post block to set_internal_unit and
add to the block after all io activiy is done.
2007-02-02 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30284
PR fortran/30626
* io/transfer.c (init_loop_spec, next_array_record): Change to
lbound rather than unity base.
2007-02-02 Paul Thomas <pault@gcc.gnu.org>
PR fortran/30284
* gfortran.dg/arrayio_11.f90.f90: New test.
PR fortran/30626
* gfortran.dg/arrayio_12.f90.f90: New test.
From-SVN: r121500
2006-12-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/30014
*io/io.h (st_parameter_dt): Change *size and *iolength type to
GFC_IO_INT.
*io/transfer.c (finalize_transfer): Cast dtp->u.p.size_used to
GFC_IO_INT. (iolength_transfer): Cast size * nelems to GFC_IO_INT.
From-SVN: r120234
2006-12-06 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/30009
PR libfortran/30056
* gfortran.dg/read_eof_4.f90: Add tests.
* gfortran.dg/readwrite_unf_direct_eor_1.f90: New test.
* gfortran.dg/unf_read_corrupted_1.f90: New test.
2006-12-06 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/30009
PR libfortran/30056
* libgfortran.h: Add ERROR_CORRUPT_FILE to error_codes.
* runtime/error.c (translate_error): Add handling for
ERROR_CORRUPT_FILE.
* io/transfer.c (read_block_direct): Add comment about
EOR for stream files.
Remove test for no bytes left for direct access files.
Generate an ERROR_SHORT_RECORD if the read was short.
For unformatted sequential files: Check endfile condition.
Remove test for no bytes left. End of file here means
that the file structure has been corrupted. Pre-position
the file for the next record in case of error.
(write_buf): Whitespace fix. Subtract the number of bytes
written from bytes_left.
From-SVN: r119592
2006-12-01 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29568
* gfortran.dg/convert_implied_open.f90: Change to
new default record length.
* gfortran.dg/unf_short_record_1.f90: Adapt to
new error message.
* gfortran.dg/unformatted_subrecords_1.f90: New test.
2006-12-01 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29568
* gfortran.h (gfc_option_t): Add max_subrecord_length.
(top level): Define MAX_SUBRECORD_LENGTH.
* lang.opt: Add option -fmax-subrecord-length=.
* trans-decl.c: Add new function set_max_subrecord_length.
(gfc_generate_function_code): If we are within the main
program and max_subrecord_length has been set, call
set_max_subrecord_length.
* options.c (gfc_init_options): Add defaults for
max_subrecord_lenght, convert and record_marker.
(gfc_handle_option): Add handling for
-fmax_subrecord_length.
* invoke.texi: Document the new default for
-frecord-marker=<n>.
2006-12-01 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29568
* libgfortran/libgfortran.h (compile_options_t): Add
record_marker. (top level): Define GFC_MAX_SUBRECORD_LENGTH.
* runtime/compile_options.c (set_record_marker): Change
default to four-byte record marker.
(set_max_subrecord_length): New function.
* runtime/error.c (translate_error): Change error message
for short record on unformatted read.
* io/io.h (gfc_unit): Add recl_subrecord, bytes_left_subrecord
and continued.
* io/file_pos.c (unformatted_backspace): Change default of record
marker size to four bytes. Loop over subrecords.
* io/open.c: Default recl is max_offset. If
compile_options.max_subrecord_length has been set, set set
u->recl_subrecord to its value, to the maximum value otherwise.
* io/transfer.c (top level): Add prototypes for us_read, us_write,
next_record_r_unf and next_record_w_unf.
(read_block_direct): Separate codepaths for unformatted direct
and unformatted sequential. If a recl has been set by the
user, use the number of bytes left for the record if it is smaller
than the read request. Loop over subrecords. Set an error if the
user has set a recl and the read was short.
(write_buf): Separate codepaths for unformatted direct and
unformatted sequential. If a recl has been set by the
user, use the number of bytes left for the record if it is smaller
than the read request. Loop over subrecords. Set an error if the
user has set a recl and the read was short.
(us_read): Add parameter continued (to indicate that bytes_left
should not be intialized). Change default of record marker size
to four bytes. Use subrecord. If the subrecord length is smaller than
zero, this indicates a continuation.
(us_write): Add parameter continued (to indicate that the continued
flag should be set). Use subrecord.
(pre_position): Use 0 for continued on us_write and us_read calls.
(skip_record): New function.
(next_record_r_unf): New function.
(next_record_r): Use next_record_r_unf.
(write_us_marker): Default size for record markers is four bytes.
(next_record_w_unf): New function.
(next_record_w): Use next_record_w_unf.
From-SVN: r119412
2006-11-22 Jerry DeLisle <jvdelisle@gcc.gnu.org>
* io/io.h (unit_flags): Add new flag has_recl.
* io.open.c (new_unit): Set flag if RECL= was specified.
* io/transfer.c (us_write): If flag set, leave recl as initialized by
new_unit.
From-SVN: r119087
2006-10-31 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29627
* libgfortran.h: Add ERROR_SHORT_RECORD
* runtime/error.c (translate_error): Add case
for ERROR_SHORT_RECORD.
* io/transfer.c (read_block_direct): Separate codepaths
for stream and record unformatted I/O. Remove unneeded
tests for standard input, padding and formatted I/O.
If the record is short, read in as much data as possible,
then raise the error.
2006-10-31 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/29627
* gfortran.dg/unf_short_record_1.f90: New test.
From-SVN: r118341
2006-10-28 Tobias Burnus <burnus@net-b.de>
PR fortran/29625
* io/transfer.c (formatted_transfer_scalar): Allow binary edit
descriptors for real variables; give error for BOZ edit
descriptor for non-integers when using -std=f*.
From-SVN: r118111
2006-10-17 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/29277
* io/list_read.c (next_char): Update strm_pos.
(eat_separator): Delete extra call to unget_char.
* io/transfer.c (read_block): Use read_sf for formatted stream I/O.
(next_record_r): Update strm_pos for formatted stream I/O and handle
end-of-record correctly.
(next_record_w): Ditto.
(next_record): Enable next record (r/w) functions and update strm_pos.
(finalize_transfer): Call next_record to finish the record.
From-SVN: r117846
2006-08-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25828
* libgfortran.h: Rename GFC_LARGE_IO_INT to GFC_IO_INT.
* io/file_pos.c (st_backspace): Ignore if access=STREAM.
(st_rewind): Handle case of access=STREAM.
* io/open.c (access_opt): Add STREAM_ACCESS.
(edit_modes): Set current_record to zero only if not STREAM.
(new_unit): Initialize maxrec, recl, and last_record for STREAM.
* io/read.c (read_x): Advance file position for STREAM.
* io/io.h (enum unit_access): Align IOPARM flags with frontend.
Add ACCESS_STREAM. Add prototype for is_stream_io () function.
Use GFC_IO_INT.
* io/inquire.c (inquire_via_unit): Add text for access = "STREAM".
* io/unit.c (is_stream_io): New function to return true if access =
STREAM.
* io/transfer.c (file_mode): Add modes for unformatted stream and
formatted stream. (current_mode): Return appropriate file mode based
on access flags.
(read_block): Handle formatted stream reads.
(read_block_direct): Handle unformatted stream reads.
(write_block): Handle formatted stream writes.
(write_buf): Handle unformatted stream writes.
(unformatted_read): Fix up, use temporary for size.
(pre_position): Position file for STREAM access.
(data_transfer_init): Initialize for stream access, skip irrelevent
error checks.
(next_record_r),(next_record_w), and (next_record): Do nothing for
stream I/O.
(finalize_transfer): Flush when all done if stream I/O.
From-SVN: r116172
2006-07-21 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/28339
* io/transfer.c (next_record_w): Use next_array_record result to set
END_FILE. (write_block): Test for END_FILE before the next write occurs.
* io/unit.c (get_internal_unit): Initialize iunit->endfile for internal
unit.
From-SVN: r115670
2006-07-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/27704
* runtime/error.c (notify_std): Pass common flags into function. Use
flags to show locus of error or warning.
* libgfortran.h: Add enum try. Add prototype for notify_std.
* io/open.c (edit_modes): Allow status="old" and add extension to
allow status="scratch"
*io/list_read.c (nml_read_obj): Update call to notify_std.
*io/io.h: Remove enum try and prototype for notify_std.
*io/transfer.c (read_sf): Update call to notify_std.
*io/format.c (parse_format_list): Update call to notify_std.
From-SVN: r115168
2006-05-16 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/27575
* io/transfer.c (read_block): Add check for end file condition.
(read_block_direct): Add check for end file condition.
From-SVN: r113837
2006-04-22 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/20257
* io/io.h: Add prototypes for get_internal_unit and free_internal_unit.
* io/unit.c (get_internal_unit): Initialize unit number, not zero.
(free_internal_unit): New function to consolidate freeing memory.
(get_unit): Initialize internal_unit_desc to NULL when unit is
external.
* io/unix.c (mem_close): Check for not NULL before freeing memory.
* io/transfer.c (read_block): Reset bytes_left and skip error if unit
is preconnected and default record length is reached.
(read_block_direct): Ditto.
(write_block): Ditto.
(write_buf): Ditto.
(data_transfer_init): Only flush if not internal unit.
(finalize_transfer): Ditto and delete code to free memory used by
internal units.
(st_read_done): Use new function - free_internal_unit.
(st_write_done): Use new function - free_internal unit.
From-SVN: r113190
2006-04-12 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/26766
* io/io.h: Add bit to identify associated unit as internal.
* io/unit.c (get_external_unit): Renamed the find_unit_1 function to
reflect the external unit functionality vs internal unit.
(get_internal_unit): New function to allocate and initialize an internal
unit structure.
(get_unit): Use get_internal_unit and get_external_unit.
(is_internal_unit): Revised to use new bit added in io.h.
* io/transfer.c (data_transfer_init): Fix line width.
(st_read_done): Free memory allocated for internal unit.
(st_write_done): Add test to only flush and truncate when not an
internal unit. Free memory allocated for internal unit.
From-SVN: r112914
2006-03-25 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/26661
* io/io.h: Add read_sf so it can be used by read_x.
* io/transfer.c (read_sf): Pass no_error flag to read_sf. Use it to
break out rather than error on EOF or EOR conditions.
(read_block): Update call to read_sf.
(read_block_direct): Ditto.
* io/read.c (read_x): Use the modified read_sf instead of read_block.
From-SVN: r112390
2006-03-25 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/26735
* io/transfer.c (data_transfer_init): Set u_flags.convert
on an unopened unit if specified by environment variable
(via get_unformatted_convert) or by compile-time option.
2006-03-25 Thomas Koenig <Thomas.Koenig@online.de>
PR libfortran/26735
* gfortran.dg/convert_implied_open.f90: New test case.
From-SVN: r112382
2006-03-22 Thomas Koenig <Thomas.Koenig@onlien.de>
PR fortran/19303
* gfortran.h (gfc_option_t): Add record_marker.
* lang.opt: Add -frecord-marker=4 and -frecord-marker=8.
* trans-decl.c: Add gfor_fndecl_set_record_marker.
(gfc_build_builtin_function_decls): Set
gfor_fndecl_set_record_marker.
(gfc_generate_function_code): If we are in the main program
and -frecord-marker was provided, call set_record_marker.
* options.c (gfc_handle_option): Add handling for
-frecord-marker=4 and -frecord-marker=8.
* invoke.texi: Document -frecord-marker.
2006-03-22 Thomas Koenig <Thomas.Koenig@onlien.de>
PR fortran/19303
* libgfortran.h (compile_options_t): Add record_marker.
* runtime/compile_options.c (set_record_marker):
New function.
* io/open.c: If we have four-byte record markers, use
GFC_INTEGER_4_HUGE as default record length.
* io/file_pos.c (unformatted_backspace): Handle
different size record markers.
* io/transfer.c (us_read): Likewise.
(us_write): Likewise.
(next_record_r): Likewise.
(write_us_marker): Likewise.
(next_record_w): Likewise.
2006-03-22 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/19303
* gfortran.dg/record_marker_1.f90: New test case.
* gfortran.dg/record_marker_2.f: New test case.
* gfortran.dg/record_marker_3.f90: New test case.
From-SVN: r112290
2006-03-17 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/26509
* libgfortran.h: Add ERROR_DIRECT_EOR.
* runtime/error.c (translate_error): Add translation for new error.
* io/transfer.c (write_buf): Add check for EOR when mode is
direct access.
From-SVN: r112198
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
2006-01-17 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25697
* io/transfer.c (us_read): Detect end of file condition from previous
operations and bail out (no need to pre-position).
From-SVN: r109870
2006-01-17 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25631
* io/transfer.c (formatted_transfer_scalar): Adjust pending_spaces and
skips so that TL works correctly when no bytes_used yet.
From-SVN: r109858
2006-01-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25598
* io/file_pos.c (unformatted_backspace): Assure the new file position
to seek is not less than zero.
(st_backspace): Set unit bytes_left to zero.
* io/transfer.c (next_record_r): Fix line lengths, no functional change.
From-SVN: r109405
2005-12-28 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25139
* io/unix.c (fd_truncate): Set s->active to zero.
PR libgfortran/25510
* libgfortran.h: Add ERROR_INTERNAL and ERROR_INTERNAL_UNIT.
* runtime/error.c (translate_error): Add messages for new errors.
* io/list_read.c (next_char): Use new errors.
* io/transfer.c (next_record_r) (next_record_w): Use new errors.
From-SVN: r109122
2005-12-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25463
* io/transfer.c (finalize_transfer): Fix execution order so that
next_record is set to zero in all cases.
From-SVN: r108784
2005-12-16 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25264
PR libgfortran/25349
* io/unit.c (get_unit): Delete code that cleared the string when the
unit was opened, which is too soon.
* io/transfer.c (next_record_w): Pass done flag in. Change logic for
setting max_pos. Add code to position unit and pad record as needed.
From-SVN: r108671
2005-12-10 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/23815
* io.c (top level): Add convert to io_tag.
(resolve_tag): convert is GFC_STD_GNU.
(match_open_element): Add convert.
(gfc_free_open): Likewise.
(gfc_resolve_open): Likewise.
(gfc_free_inquire): Likewise.
(match_inquire_element): Likewise.
* dump-parse-tree.c (gfc_show_code_node): Add
convet for open and inquire.
gfortran.h: Add convert to gfc_open and gfc_inquire.
* trans-io.c (gfc_trans_open): Add convert.
(gfc_trans_inquire): Likewise.
* ioparm.def: Add convert to open and inquire.
* gfortran.texi: Document CONVERT.
2005-12-10 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/23815
* io/file_pos.c (unformatted_backspace): If flags.convert
does not equal CONVERT_NATIVE, reverse the record marker.
* io/open.c: Add convert_opt[].
(st_open): If no convert option is given, set CONVERT_NATIVE.
If CONVERT_BIG or CONVERT_LITTLE are given, set flags.convert to
CONVERT_NATIVE or CONVERT_SWAP (depending on wether we have
a big- or little-endian system).
* io/transfer.c (unformatted_read): Remove unused attribute
from arguments.
If we need to reverse
bytes, break up large transfers into a loop. Split complex
numbers into its two parts.
(unformatted_write): Likewise.
(us_read): If flags.convert does not equal CONVERT_NATIVE,
reverse the record marker.
(next_record_w): Likewise.
(reverse_memcpy): New function.
* io/inquire.c (inquire_via_unit): Implement convert.
* io/io.h (top level): Add enum unit_convert.
Add convert to st_parameter_open and st_parameter_inquire.
Define IOPARM_OPEN_HAS_CONVERT and IOPARM_INQUIRE_HAS_CONVERT.
Increase padding for st_parameter_dt.
Declare reverse_memcpy().
2005-12-10 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/23815
* gfortran.dg/unf_io_convert_1.f90: New test.
* gfortran.dg/unf_io_convert_2.f90: New test.
* gfortran.dg/unf_io_convert_3.f90: New test.
From-SVN: r108358
2005-12-08 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/25039
* io/io.h: Create a new flag sf_read_comma to control comma
separators in numeric reads.
* io/transfer.c (formatted_transfer_scalar): Initialize the flag.
(read_sf): Check for commas coming in and if the flag is set,
shortcut the read.
* io/read.c (read_a) (read_x): Clear the flag for character reads and
reset it after the reads.
From-SVN: r108271
Jerry DeLisle
Thomas Koenig
Paul Thomas
Thomas Koenig
Tobias Burnus
Janne Blomqvist