Commit Graph

260 Commits

Author SHA1 Message Date
Jerry DeLisle
e43c3311bd re PR fortran/28335 (flush() / write() statement on closed units - error?)
2006-07-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/28335
	* file_position.c (st_flush): Add clearer error when UNIT does not
	exist. Add reference to standard in comment.

From-SVN: r115835
2006-07-31 01:32:38 +00:00
Jerry DeLisle
b8d403b467 re PR fortran/28335 (flush() / write() statement on closed units - error?)
2006-07-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/28335
	* close.c (st_close): Revert previous patch and add comment.
	* file_position.c (st_flush): Revert previous patch and add comment.

From-SVN: r115829
2006-07-31 00:15:08 +00:00
Janne Blomqvist
6097a89729 transfer.c (transfer_array): Remove stride0 fix.
2006-07-30  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/transfer.c (transfer_array): Remove stride0 fix.

From-SVN: r115818
2006-07-30 13:23:26 +03:00
Jerry DeLisle
ca8d5bc6c6 2006-07-25 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libgfortran/258335
	* close.c (st_close): Add error when UNIT does not exist.
	* file_position.c (st_flush): Add error when UNIT does not exist.

From-SVN: r115749
2006-07-26 01:40:29 +00:00
Jerry DeLisle
566ffce895 re PR libfortran/25289 (Cannot handle record numbers large than huge(0_4))
2006-07-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25289
	* libgfortran.h: Add conditional definition of GFC_LARGE_IO_INT type.
	* io/io.h (st_parameter_dt): Define rec as type GFC_LARGE_IO_INT.

From-SVN: r115698
2006-07-24 00:17:52 +00:00
Jerry DeLisle
397bc09a65 re PR fortran/28339 (gfortran misses a record from a format statement)
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
2006-07-22 03:14:27 +00:00
Jerry DeLisle
2e4444278c re PR libfortran/27704 (Incorrect runtime error on multiple OPEN)
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
2006-07-04 01:36:31 +00:00
Francois-Xavier Coudert
ee4ac5b0b4 io.h: Move proto for unit_to_fd...
* io/io.h: Move proto for unit_to_fd...
	* libgfortran.h: ...here.

From-SVN: r114983
2006-06-25 08:46:09 +00:00
John David Anglin
9b7e4f4ff8 re PR libgomp/27254 (FAIL: libgomp.fortran/reduction6.f90)
PR libgomp/27254
	* io/unit.c (get_internal_unit): Initialize and lock thread mutex
	for internal units.

From-SVN: r114765
2006-06-19 03:07:54 +00:00
Jerry DeLisle
22b2be06ec re PR libfortran/27757 (Problems with direct access io)
2006-05-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/27757
	* io/unix.c (fd_seek): Set active to zero.

From-SVN: r114220
2006-05-29 23:39:53 +00:00
Jerry DeLisle
a7a8dddd99 re PR fortran/27634 (formatted reading/writing: real format without dot)
2006-05-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/27634
	* io/format.c (parse_format_list): Allow missing period in format only
	if -std=legacy.

From-SVN: r114212
2006-05-29 19:28:48 +00:00
Janne Blomqvist
59c0928b6a io.h (find_or_create_unit): Correct export declaration.
2006-05-27  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/io.h (find_or_create_unit): Correct export declaration.

From-SVN: r114151
2006-05-27 11:36:49 +03:00
Jerry DeLisle
25292a1bf1 re PR libfortran/24459 ([4.1 Only] gfortran namelist problem)
2006-05-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/24459
	* io/list_read.c (nml_parse_qualifier): Leave loop spec end value
	at default value unless -std=f95 or if an array section
	is specified in namelist input.  Warn if -pedantic.
	* io/io.h (st_parameter_dt): Add expanded_read flag.

From-SVN: r113924
2006-05-20 07:14:50 +00:00
Jerry DeLisle
8bf6519618 re PR libfortran/22423 (Warnings when building libgfortran)
2006-05-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/22423
	* io/transfer.c (read_block): Return NULL instead of nothing.

From-SVN: r113923
2006-05-20 03:29:58 +00:00
Jerry DeLisle
cacf2b9638 re PR libfortran/27575 (gfortran - does not generate error when trying to read too much data)
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
2006-05-17 00:36:53 +00:00
Jerry DeLisle
4e72e1c5a2 re PR libfortran/27360 (Memory leaks when reading logicals)
2006-04-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/27360
	
	* io/list_read.c (read_logical):  Free line_buffer and free saved.

From-SVN: r113388
2006-04-30 03:19:37 +00:00
Jerry DeLisle
c4ee121ad5 re PR fortran/27304 (gfortran: Warn/abort when format in write does not fit passed arguments)
2006-04-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/27304
	* io/transfer.c (formatted_transfer_scalar):  Generate error if data
	descriptors are exhausted.
	* io/format.c (next_format0): Fix comment.

From-SVN: r113363
2006-04-28 23:55:30 +00:00
Jerry DeLisle
54ffdb125c re PR libfortran/20257 (Fortran runtime error: End of record occurs when writing large arrays)
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
2006-04-23 02:04:58 +00:00
Jerry DeLisle
9855448d22 re PR fortran/27138 (gfortran: read(*,*) myInt advances only one character on error)
2006-04-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/27138
	* io/list_read.c (eat_line): New function.
	(parse_repeat): Use new function and free_saved.
	(read_logical): Same.
	(read_integer): Use new function.
	(parse_real): Use nml_bad_return and new function.
	(read_complex): Use new function and free_saved.
	(read_real): Same.

From-SVN: r112999
2006-04-17 02:33:51 +00:00
Jerry DeLisle
6f34d6e078 re PR fortran/26766 ([F2003] Recursive I/O still (again) broken)
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
2006-04-13 06:24:58 +00:00
Jakub Jelinek
ebf85e50c0 io.h (st_parameter_dt): Revert 2005-12-10 change to u.pad, fix comment.
* io/io.h (st_parameter_dt): Revert 2005-12-10 change to
	u.pad, fix comment.
	(check_st_parameter_dt): New compile time assert.

From-SVN: r112850
2006-04-11 09:15:00 +02:00
Jakub Jelinek
55fc9243b7 re PR libfortran/24685 (real(16) formatted input is broken for huge values (gfortran.dg/default_format_2.f90))
PR libgfortran/24685
	* io/write.c (MIN_FIELD_WIDTH, STR, STR1): Define.
	(output_float): Increase buffer sizes for IEEE quad and IBM extended
	long double.
	(write_real): Output REAL(16) as 1PG43.34E4 rather than 1PG40.31E4.

From-SVN: r112819
2006-04-10 14:02:55 +02:00
Jerry DeLisle
967d4d456c re PR libfortran/26890 (SIZE parameter interacts with same variable in IO list character length specification.)
2006-04-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26890
	* io/io.h: Revert change to pad size made on 2006-03-30.
	Add comment explaining dependency with fortran/trans-io.c.

From-SVN: r112769
2006-04-07 23:05:12 +00:00
Jerry DeLisle
5eb90a1cbc write.c (output_float): Update condition to not error when decimal precision in format specifier is zero.
2006-04-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* io/write.c (output_float): Update condition to not error when
	decimal precision in format specifier is zero.

From-SVN: r112656
2006-04-04 02:50:23 +00:00
Jerry DeLisle
d57d342432 re PR libfortran/26890 (SIZE parameter interacts with same variable in IO list character length specification.)
2006-03-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26890
	* io/io.h: Add size_used to st_parameter_dt, adjust pad size.
	*io/transfer.c (data_transfer_init): Initialize size_used to zero.
	(read_sf): Use size_used.
	(read_block): Likewise.
	(read_block_direct): Likewise.
	(write_block): Likewise.
	(write_buf): Likewise and eliminate erroneous FAILURE return.
	(finalize_transfer): Assign value of size_used to *dtp->size.

From-SVN: r112570
2006-03-31 05:11:03 +00:00
Jerry DeLisle
ef6fa01d3a re PR libfortran/26880 (Can't read after non-advancing write with rewind)
2006-03-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26880
	* io/file_pos.c (st_rewind): Clear read_bad flag.

From-SVN: r112407
2006-03-27 05:59:37 +00:00
Jerry DeLisle
0853054e96 re PR libfortran/26661 (Sequential formatted read goes too far)
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
2006-03-26 02:15:44 +00:00
Thomas Koenig
5068c62534 re PR libfortran/26735 ([4.1 only] -fconvert=swap and implied open)
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
2006-03-25 21:31:48 +00:00
Thomas Koenig
d67ab5eef8 [multiple changes]
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
2006-03-22 19:09:11 +00:00
Jerry DeLisle
54f9e2781e re PR fortran/26509 (incorrect behaviour of error-handler for direct access write)
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
2006-03-18 01:56:07 +00:00
Jerry DeLisle
99c6db71de re PR libfortran/26499 (gfortran - End of File incorrectly positioned after binary I/O.)
2006-03-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26499
	* io/file_pos (st_rewind): Flush always.
	* io/unix.c (fd_truncate): Return SUCCESS rather than FAILURE for
	special files like /dev/null.
	* io/transfer.c (st_write_done): Remove broken logic that prevented
	calling fd_truncate.

From-SVN: r111924
2006-03-10 03:15:36 +00:00
Jerry DeLisle
03e957f8c8 re PR fortran/26554 ([gfortran] incorrect behaviour when reading a logical variable from a string)
2006-03-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26554
	* io/list_read.c (read_logical): Return the value if not in namelist
	mode.

From-SVN: r111738
2006-03-05 17:54:07 +00:00
Jerry DeLisle
c9f15d9c0e re PR libfortran/26136 (List directed input with underfilled (logicals) array read incorrectly)
2006-02-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26136
	* io/io.h: Add flag for reading from line_buffer.
	* io/list_read.c (l_push_char): New function to save namelist
	input when reading logicals.
	(free_line): New function to free line_buffer memory.
	(next_char): Added feature to read from line_buffer.
	(read_logical): Use new functions to test for '=' after reading a
	logical value, checking for possible variable name.
	(namelist_read): Use free_line when all done.

From-SVN: r111597
2006-03-01 06:04:45 +00:00
Jerry DeLisle
9985dd8aaf re PR libfortran/26464 (Runtime I/O error/invald argument on READ)
2006-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26464
	* io/file_pos.c (st_backspace): Flush and truncate file
	when in AFTER_ENDFILE condition.
	* io/transfer.c (st_read_done): Remove flush, no longer needed.

From-SVN: r111506
2006-02-28 02:07:00 +00:00
Jerry DeLisle
c5418dcb96 re PR libfortran/26423 (Error on binary I/O for large array)
2006-02-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/26423
	* io/unix.c (fd_seek): Revert change from 25949.
	(fd_read): Same.
	(fd_write): Same.

From-SVN: r111420
2006-02-24 18:16:25 +00:00
François-Xavier Coudert
8f0d39a86b re PR libfortran/21303 (L edit descriptor without a width)
PR libfortran/21303

	* gfortran.h (notification): New enumeration.
	(gfc_notification_std): Prototype for the new function.
	* error.c (gfc_notification_std): New function.
	* io.c (check_format): Handle the case of a L format descriptor
	without a width.

	* runtime/error.c (notification_std): New function.
	* libgfortran.h (notification): New enumeration.
	* io/io.h (notification_std): Prototype for the new function. 
	* io/format.c (parse_format_list): Handle the case of a L format
	descriptor without a width.

	* gcc/testsuite/gfortran.dg/fmt_l.f90: New test.

From-SVN: r111281
2006-02-19 21:31:02 +00:00
Francois-Xavier Coudert
c05f6d04cb * io/open.c (edit_modes): Correct abusive copy-pasting.
From-SVN: r111266
2006-02-19 10:23:28 +00:00
Janne Blomqvist
82b8244c51 re PR libfortran/25949 (Unbounded I/O buffer memory usage for formatted IO)
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
2006-02-12 21:59:32 +02:00
François-Xavier Coudert
5f8f531322 re PR libfortran/25425 ([4.1 only] F95 and F2003 differ on list-directed output for 0.0)
PR libfortran/25425

	* trans-decl.c (gfc_generate_function_code): Add new argument,
	pedantic, to set_std call.

	* libgfortran.h: Add pedantic field to compile_options struct.
	* io/write.c (calculate_G_format): Depending on the standard,
	choose E or F format for list-directed output of 0.0.
	* runtime/error.c (notify_std): Make warning and error dependent
	on pedanticity.
	* runtime/compile_options.c (set_std): Use new pedantic argument.

From-SVN: r110769
2006-02-08 20:54:14 +00:00
Thomas Koenig
eaa90d25da re PR fortran/23815 (Add -byteswapio flag)
2005-02-06  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/23815
	* gfortran.texi: Document the GFORTRAN_CONVERT_UNIT environment
	variable.
	* invoke.texi:  Mention the "Runtime" chapter.
	Document the -fconvert= option.
	* gfortran.h:  Add options_convert.
	* lang.opt:  Add fconvert=little-endian, fconvert=big-endian,
	fconvert=native and fconvert=swap.
	* trans-decl.c (top level):  Add gfor_fndecl_set_convert.
	(gfc_build_builtin_function_decls):  Set gfor_fndecl_set_convert.
	(gfc_generate_function_code):  If -fconvert was specified,
	and this is the main program, add a call to set_convert().
	* options.c:  Handle the -fconvert options.

2005-02-06  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/23815
	* runtime/environ.c (init_unformatted):  Add GFORTRAN_CONVERT_UNIT
	environment variable.
	(top level):  Add defines, type and static variables for
	GFORTRAN_CONVERT_UNIT handling.
	(search_unit):  New function.
	(match_word): New function.
	(match_integer): New function.
	(next_token): New function.
	(push_token): New function.
	(mark_single): New function.
	(mark_range): New funciton.
	(do_parse): New function.
	(init_unformatted): New function.
	(get_unformatted_convert): New function.
	* runtime/compile_options.c:  Add set_convert().
	* libgfortran.h:  Add convert to compile_options_t.
	* io/open.c (st_open): Call get_unformatted_convert to get
	unit default; if CONVERT_NONE is returned, check for
	the presence of a CONVERT specifier and use it.
	As default, use compile_options.convert.
	* io/io.h (top level): Add CONVERT_NONE to unit_convert, to signal
	"nothing has been set".
	(top level): Add prototype for get_unformatted_convert.

2005-02-06  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/23815
	* unf_io_convert_4.f90:  New test.

From-SVN: r110664
2006-02-06 20:12:44 +00:00
Francois-Xavier Coudert
df6ea78456 re PR libfortran/24685 (real(16) formatted input is broken for huge values (gfortran.dg/default_format_2.f90))
PR libfortran/24685

	* io/write.c (write_real): Widen the default format for real(10)
	variables output.

	* gfortran.dg/large_real_kind_form_io_2.f90: New test.

From-SVN: r110627
2006-02-05 23:04:07 +00:00
Jerry DeLisle
ecc9e67eef re PR libfortran/25835 (Segfault or Bad Address error on unformatted sequential READ)
2006-01-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25835
	* io/transfer.c (st_read_done): Flush buffers when read is done.

From-SVN: r110200
2006-01-25 01:19:11 +00:00
Jerry DeLisle
7b7034ea9a re PR libfortran/25697 (libfortran - Segmentation fault/ Bad Address on unformatted read)
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
2006-01-18 06:21:28 +00:00
Jerry DeLisle
272c35bd98 re PR libfortran/25631 (tl format specifier not working correctly)
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
2006-01-18 00:52:21 +00:00
Jerry DeLisle
9696b2257c re PR libfortran/25598 (gfortran - Fortran runtime error: Invalid argument)
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
2006-01-06 01:39:34 +00:00
Jerry DeLisle
a7c633eaef re PR libfortran/25594 (LAPACK regression in schkbl.f)
2005-12-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25594
	PR libgfortran/25419
	* io/list_read.c (list_formatted_read_scalar): Test for comma to return
	a null value (default). Revert patch of 25419 on 2005-12-28.

From-SVN: r109211
2006-01-01 02:45:22 +00:00
Jerry DeLisle
844234fb50 re PR libfortran/25139 ("Invalid argument" error on I/O)
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
2005-12-28 20:58:08 +00:00
Jerry DeLisle
b5918dea9c re PR libfortran/25550 (file data corrupted after reading end of file)
2005-12-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25550
	* io/file_pos.c (st_rewind): Reset bytes left so no error occurs in
	next_record_r.

From-SVN: r109101
2005-12-28 07:20:19 +00:00
Jerry DeLisle
93f006d8e3 re PR libfortran/25419 (gfortran read does not take comma for default on one entry)
2005-12-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25419
	* io/list_read.c (list_formatted_read_scalar): Allow comma to return a
	null value (default).

From-SVN: r109099
2005-12-28 06:59:35 +00:00
Jerry DeLisle
8ad4c89538 re PR libfortran/25307 (internal read with end=label aborts)
2005-12-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25307
	* io/list_read.c (next_char): Handle end-of-file conditions for
	internal units and add support for internal character array units.

From-SVN: r108938
2005-12-22 02:32:29 +00:00