Commit Graph

491 Commits

Author SHA1 Message Date
Janne Blomqvist
2ac7316d99 open.c (already_open): Test for POSIX close return value.
2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>

        * io/open.c (already_open): Test for POSIX close return value.
        * io/unit.c (close_unit_1): Likewise.
        * io/unix.c (raw_close): Return 0 for success for preconnected units.

From-SVN: r145761
2009-04-08 20:06:34 +03:00
Janne Blomqvist
f9bfed2243 string.c (compare0): Use gfc_charlen_type.
2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>

        * runtime/string.c (compare0): Use gfc_charlen_type.
        * runtime/error.c (gfc_itoa): Move to io/write.c
        (xtoa): Rename to gfc_xtoa.
        * runtime/backtrace.c (show_backtrace): Call gfc_xtoa.
        * intrinsics/cshift0.c (cshift0): Use index_type for shift arg.
        * intrinsics/date_and_time.c (date_and_time): Use index_type.
        (itime_i4): Likewise.
        (itime_i8): Likewise.
        (idate_i4): Likewise.
        (idate_i8): Likewise.
        (gmtime_i4): Likewise.
        (gmtime_i8): Likewise.
        (ltime_i4): Likewise.
        (ltime_i8): Likewise.
        * libgfortran.h (gfc_itoa): Remove prototype.
        (xtoa): Rename prototype to gfc_xtoa.
        * io/list_read.c (nml_read_obj): Use size_t for string length.
        * io/transfer.c (read_block_direct): Change nbytes arg from
        pointer to value.
        (unformatted_read): Minor cleanup, call read_block_directly properly.
        (skip_record): Use ssize_t.
        (next_record_w_unf): Avoid stell() call by calling sseek with SEEK_CUR.
        (iolength_transfer): Make sure to multiply before cast.
        * io/intrinsics.c (fgetc): Remove unnecessary variable.
        * io/format.c (format_hash): Use gfc_charlen_type.
        * io/write.c (itoa): Move from runtime/error.c:gfc_itoa, rename,
        make static.
        (write_i): Call with pointer to itoa.
        (write_z): Call with pointer to gfc_xtoa.
        (write_integer): Pointer to itoa.
        (nml_write_obj): Type cleanup, don't call strlen in loop.

From-SVN: r145758
2009-04-08 19:48:07 +03:00
H.J. Lu
4197c13d08 re PR libfortran/39664 (Revision 145571 breaks stdio)
2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR libgfortran/39664
	* io/unix.c (raw_close): Don't close STDOUT_FILENO,
	STDERR_FILENO nor STDIN_FILENO.

From-SVN: r145636
2009-04-06 16:07:51 -07:00
David Edelsohn
d26014d24e io.h (struct stream): Rename truncate to trunc.
* io/io.h (struct stream): Rename truncate to trunc.
        (struncate): Same.
        * io/unix.c (raw_init): Rename truncate to trunc.
        (buf_init): Same.
        (open_internal): Same.

From-SVN: r145608
2009-04-06 11:32:03 -04:00
Jerry DeLisle
7812c78c34 [multiple changes]
2009-04-05  Daniel Kraft  <d@domob.eu>

	PR fortran/38654
	* io/read.c (read_f): Reworked to speed up floating point parsing.
	(convert_real): Use pointer-casting instead of memcpy and temporaries.

2009-04-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR libfortran/37754
	* io/io.h (format_hash_entry): New structure for hash table.
	(format_hash_table): The hash table itself.
	(free_format_data): Revise function prototype.
	(free_format_hash_table, init_format_hash,
	free_format_hash): New function prototypes.
	* io/unit.c (close_unit_1): Use free_format_hash_table.
	* io/transfer.c (st_read_done, st_write_done): Free format data if
	internal unit.
	* io/format.c (free_format_hash_table): New function that frees any
	memory allocated previously for cached format data.
	(reset_node): New static helper function to reset the format counters
	for a format node.
	(reset_fnode_counters): New static function recursively calls reset_node
	to traverse the	fnode tree.
	(format_hash): New simple hash function based on XOR, probabalistic,
	tosses collisions.
	(save_parsed_format): New static function to save the parsed format
	data to use again.
	(find_parsed_format): New static function searches the hash table
	looking for a match.
	(free_format_data): Revised to accept pointer to format data rather than
	the dtp pointer so that the function can be used in more places.
	(format_lex): Editorial.
	(parse_format_list): Set flag used to determine of format data hashing
	is to be used.  Internal units are not persistent enough for this.
	(revert): Move to ne location in file.
	(parse_format): Use new functions to look for previously parsed
	format strings and use them rather than re-parse.  If not found, saves
	the parsed format data for later use.
	
2009-04-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR libfortran/37754
	* io/transfer.c (formatted_transfer_scalar): Remove this function by
	factoring it into two new functions, one for read and one for write,
	eliminating all the conditionals for read or write mode.
	(formatted transfer_scalar_read): New function.
	(formatted transfer_scalar_write): New function.
	(formatted_transfer): Use new functions.

2009-04-05  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/25561 libfortran/37754
	* io/io.h (struct stream): Define new stream interface function
	pointers, and inline functions for accessing it.
	(struct fbuf): Use int instead of size_t, remove flushed element.
	(mem_alloc_w): New prototype.
	(mem_alloc_r): New prototype.
	(stream_at_bof): Remove prototype.
	(stream_at_eof): Remove prototype.
	(file_position): Remove prototype.
	(flush): Remove prototype.
	(stream_offset): Remove prototype.
	(unit_truncate): New prototype.
	(read_block_form): Change to return pointer, int* argument.
	(hit_eof): New prototype.
	(fbuf_init): Change prototype.
	(fbuf_reset): Change prototype.
	(fbuf_alloc): Change prototype.
	(fbuf_flush): Change prototype.
	(fbuf_seek): Change prototype.
	(fbuf_read): New prototype.
	(fbuf_getc_refill): New prototype.
	(fbuf_getc): New inline function.
        * io/fbuf.c (fbuf_init): Use int, get rid of flushed.
	(fbuf_debug): New function.
	(fbuf_reset): Flush, and return position offset.
	(fbuf_alloc): Simplify, don't flush, just realloc.
	(fbuf_flush): Make usable for read mode, salvage remaining bytes.
	(fbuf_seek): New whence argument.
	(fbuf_read): New function.
	(fbuf_getc_refill): New function.
	* io/file_pos.c (formatted_backspace): Use new stream interface.
	(unformatted_backspace): Likewise.
	(st_backspace): Make sure format buffer is reset, use new stream
	interface, use unit_truncate.
	(st_endfile): Likewise.
	(st_rewind): Likewise.
	* io/intrinsics.c: Use new stream interface.
	* io/list_read.c (push_char): Don't use u.p.scratch, use realloc
	to resize.
	(free_saved): Don't check u.p.scratch.
	(next_char): Use new stream interface, use fbuf_getc() for external files.
	(finish_list_read): flush format buffer.
	(nml_query): Update to use modified interface:s
	* io/open.c (test_endfile): Use new stream interface.
	(edit_modes): Likewise.
	(new_unit): Likewise, set bytes_left to 1 for stream files.
	* io/read.c (read_l): Use new read_block_form interface.
	(read_utf8): Likewise.
	(read_utf8_char1): Likewise.
	(read_default_char1): Likewise.
	(read_utf8_char4): Likewise.
	(read_default_char4): Likewise.
	(read_a): Likewise.
	(read_a_char4): Likewise.
	(read_decimal): Likewise.
	(read_radix): Likewise.
	(read_f): Likewise.
	* io/transfer.c (read_sf): Use fbuf_read and mem_alloc_r, remove
	usage of u.p.line_buffer.
	(read_block_form): Update interface to return pointer, use
	fbuf_read for direct access.
	(read_block_direct): Update to new stream interface.
	(write_block): Use mem_alloc_w for internal I/O.
	(write_buf): Update to new stream interface.
	(formatted_transfer_scalar): Don't use u.p.line_buffer, use
	fbuf_seek for external files.
	(us_read): Update to new stream interface.
	(us_write): Likewise.
	(data_transfer_init): Always check if we switch modes and flush.
	(skip_record): Use new stream interface, fix comparison.
	(next_record_r): Check for and reset u.p.at_eof, use new stream
	interface, use fbuf_getc for spacing.
	(write_us_marker): Update to new stream interface, don't inline.
	(next_record_w_unf): Likewise.
	(sset): New function.
	(next_record_w): Use new stream interface, use fbuf for printing
	newline.
	(next_record): Use new stream interface.
	(finalize_transfer): Remove sfree call, use new stream interface.
	(st_iolength_done): Don't use u.p.scratch.
	(st_read): Don't check for end of file.
	(st_read_done): Don't use u.p.scratch, use unit_truncate.
	(hit_eof): New function.
	* io/unit.c (init_units): Always init fbuf for formatted units.
	(update_position): Use new stream interface.
	(unit_truncate): New function.
	(finish_last_advance_record): Use fbuf to print newline.
	* io/unix.c: Remove unused SSIZE_MAX macro.
	(BUFFER_SIZE): Make static const variable rather than macro.
	(struct unix_stream): Remove dirty_offset, len, method,
	small_buffer. Order elements by decreasing size.
	(struct int_stream): Remove.
	(move_pos_offset): Remove usage of dirty_offset.
	(reset_stream): Remove.
	(do_read): Rename to raw_read, update to match new stream
	interface.
	(do_write): Rename to raw_write, update to new stream interface.
	(raw_seek): New function.
	(raw_tell): New function.
	(raw_truncate): New function.
	(raw_close): New function.
	(raw_flush): New function.
	(raw_init): New function.
	(fd_alloc): Remove.
	(fd_alloc_r_at): Remove.
	(fd_alloc_w_at): Remove.
	(fd_sfree): Remove.
	(fd_seek): Remove.
	(fd_truncate): Remove.
	(fd_sset): Remove.
	(fd_read): Remove.
	(fd_write): Remove.
	(fd_close): Remove.
	(fd_open): Remove.
	(fd_flush): Rename to buf_flush, update to new stream interface
	and unix_stream.
	(buf_read): New function.
	(buf_write): New function.
	(buf_seek): New function.
	(buf_tell): New function.
	(buf_truncate): New function.
	(buf_close): New function.
	(buf_init): New function.
	(mem_alloc_r_at): Rename to mem_alloc_r, change prototype.
	(mem_alloc_w_at): Rename to mem_alloc_w, change prototype.
	(mem_read): Change to match new stream interface.
	(mem_write): Likewise.
	(mem_seek): Likewise.
	(mem_tell): Likewise.
	(mem_truncate): Likewise.
	(mem_close): Likewise.
	(mem_flush): New function.
	(mem_sfree): Remove.
	(empty_internal_buffer): Cast to correct type.
	(open_internal): Use correct type, init function pointers.
	(fd_to_stream): Test whether to open file as buffered or raw.
	(output_stream): Remove mode set.
	(error_stream): Likewise.
	(flush_all_units_1): Use new stream interface.
	(flush_all_units): Likewise.
	(stream_at_bof): Remove.
	(stream_at_eof): Remove.
	(file_position): Remove.
	(file_length): Update logic to use stream interface.
	(flush): Remove.
	(stream_offset): Remove.
	* io/write.c (write_utf8_char4): Use int instead of size_t.
	(write_x): Extra safety check.
	(namelist_write_newline): Use new stream interface.

From-SVN: r145571
2009-04-05 20:13:56 +00:00
Jerry DeLisle
b710b6bc87 re PR fortran/39528 (repeated entries are not read when using list-directed input)
2009-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/39528
	* io/list_read.c (list_formatted_read_scalar): Move check for read
	completion to just after the check for a repeated value.

From-SVN: r145030
2009-03-24 12:24:29 +00:00
Janne Blomqvist
f3ed1d0222 Revert part of patch accidentally committed to trunk rather than fortran-dev (I hate svn)
From-SVN: r144994
2009-03-22 13:32:29 +02:00
Janne Blomqvist
9e544d738a PR libfortran/25561 libfortran/37754
2009-03-22  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/25561 libfortran/37754
	* io/io.h (struct stream): Define new stream interface function
	pointers, and inline functions for accessing it.
	(struct fbuf): Use int instead of size_t, remove flushed element.
	(mem_alloc_w): New prototype.
	(mem_alloc_r): New prototype.
	(stream_at_bof): Remove prototype.
	(stream_at_eof): Remove prototype.
	(file_position): Remove prototype.
	(flush): Remove prototype.
	(stream_offset): Remove prototype.
	(unit_truncate): New prototype.
	(read_block_form): Change to return pointer, int* argument.
	(hit_eof): New prototype.
	(fbuf_init): Change prototype.
	(fbuf_reset): Change prototype.
	(fbuf_alloc): Change prototype.
	(fbuf_flush): Change prototype.
	(fbuf_seek): Change prototype.
	(fbuf_read): New prototype.
	(fbuf_getc_refill): New prototype.
	(fbuf_getc): New inline function.
        * io/fbuf.c (fbuf_init): Use int, get rid of flushed.
	(fbuf_debug): New function.
	(fbuf_reset): Flush, and return position offset.
	(fbuf_alloc): Simplify, don't flush, just realloc.
	(fbuf_flush): Make usable for read mode, salvage remaining bytes.
	(fbuf_seek): New whence argument.
	(fbuf_read): New function.
	(fbuf_getc_refill): New function.
	* io/file_pos.c (formatted_backspace): Use new stream interface.
	(unformatted_backspace): Likewise.
	(st_backspace): Make sure format buffer is reset, use new stream
	interface, use unit_truncate.
	(st_endfile): Likewise.
	(st_rewind): Likewise.
	* io/intrinsics.c: Use new stream interface.
	* io/list_read.c (push_char): Don't use u.p.scratch, use realloc
	to resize.
	(free_saved): Don't check u.p.scratch.
	(next_char): Use new stream interface, use fbuf_getc() for external files.
	(finish_list_read): flush format buffer.
	(nml_query): Update to use modified interface:s
	* io/open.c (test_endfile): Use new stream interface.
	(edit_modes): Likewise.
	(new_unit): Likewise, set bytes_left to 1 for stream files.
	* io/read.c (read_l): Use new read_block_form interface.
	(read_utf8): Likewise.
	(read_utf8_char1): Likewise.
	(read_default_char1): Likewise.
	(read_utf8_char4): Likewise.
	(read_default_char4): Likewise.
	(read_a): Likewise.
	(read_a_char4): Likewise.
	(read_decimal): Likewise.
	(read_radix): Likewise.
	(read_f): Likewise.
	* io/transfer.c (read_sf): Use fbuf_read and mem_alloc_r, remove
	usage of u.p.line_buffer.
	(read_block_form): Update interface to return pointer, use
	fbuf_read for direct access.
	(read_block_direct): Update to new stream interface.
	(write_block): Use mem_alloc_w for internal I/O.
	(write_buf): Update to new stream interface.
	(formatted_transfer_scalar): Don't use u.p.line_buffer, use
	fbuf_seek for external files.
	(us_read): Update to new stream interface.
	(us_write): Likewise.
	(data_transfer_init): Always check if we switch modes and flush.
	(skip_record): Use new stream interface, fix comparison.
	(next_record_r): Check for and reset u.p.at_eof, use new stream
	interface, use fbuf_getc for spacing.
	(write_us_marker): Update to new stream interface, don't inline.
	(next_record_w_unf): Likewise.
	(sset): New function.
	(next_record_w): Use new stream interface, use fbuf for printing
	newline.
	(next_record): Use new stream interface.
	(finalize_transfer): Remove sfree call, use new stream interface.
	(st_iolength_done): Don't use u.p.scratch.
	(st_read): Don't check for end of file.
	(st_read_done): Don't use u.p.scratch, use unit_truncate.
	(hit_eof): New function.
	* io/unit.c (init_units): Always init fbuf for formatted units.
	(update_position): Use new stream interface.
	(unit_truncate): New function.
	(finish_last_advance_record): Use fbuf to print newline.
	* io/unix.c: Remove unused SSIZE_MAX macro.
	(BUFFER_SIZE): Make static const variable rather than macro.
	(struct unix_stream): Remove dirty_offset, len, method,
	small_buffer. Order elements by decreasing size.
	(struct int_stream): Remove.
	(move_pos_offset): Remove usage of dirty_offset.
	(reset_stream): Remove.
	(do_read): Rename to raw_read, update to match new stream
	interface.
	(do_write): Rename to raw_write, update to new stream interface.
	(raw_seek): New function.
	(raw_tell): New function.
	(raw_truncate): New function.
	(raw_close): New function.
	(raw_flush): New function.
	(raw_init): New function.
	(fd_alloc): Remove.
	(fd_alloc_r_at): Remove.
	(fd_alloc_w_at): Remove.
	(fd_sfree): Remove.
	(fd_seek): Remove.
	(fd_truncate): Remove.
	(fd_sset): Remove.
	(fd_read): Remove.
	(fd_write): Remove.
	(fd_close): Remove.
	(fd_open): Remove.
	(fd_flush): Rename to buf_flush, update to new stream interface
	and unix_stream.
	(buf_read): New function.
	(buf_write): New function.
	(buf_seek): New function.
	(buf_tell): New function.
	(buf_truncate): New function.
	(buf_close): New function.
	(buf_init): New function.
	(mem_alloc_r_at): Rename to mem_alloc_r, change prototype.
	(mem_alloc_w_at): Rename to mem_alloc_w, change prototype.
	(mem_read): Change to match new stream interface.
	(mem_write): Likewise.
	(mem_seek): Likewise.
	(mem_tell): Likewise.
	(mem_truncate): Likewise.
	(mem_close): Likewise.
	(mem_flush): New function.
	(mem_sfree): Remove.
	(empty_internal_buffer): Cast to correct type.
	(open_internal): Use correct type, init function pointers.
	(fd_to_stream): Test whether to open file as buffered or raw.
	(output_stream): Remove mode set.
	(error_stream): Likewise.
	(flush_all_units_1): Use new stream interface.
	(flush_all_units): Likewise.
	(stream_at_bof): Remove.
	(stream_at_eof): Remove.
	(file_position): Remove.
	(file_length): Update logic to use stream interface.
	(flush): Remove.
	(stream_offset): Remove.
	* io/write.c (write_utf8_char4): Use int instead of size_t.
	(write_x): Extra safety check.
	(namelist_write_newline): Use new stream interface.

[[Split portion of a mixed commit.]]

From-SVN: r144993.2
2009-03-22 12:51:05 +02:00
Jerry DeLisle
d53cb9ea60 re PR libfortran/39402 (gfortran 20090306: internal write of 0.0 with F0.3 gives **)
2009-03-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/39409
	* io/write_float.def (output_float): Handle F0.d formatting correctly
	for any d when value is 0.0.

From-SVN: r144718
2009-03-09 04:47:51 +00:00
Jerry DeLisle
1a15c900e8 re PR libfortran/38772 (r143102 reveals missed error checking on floating point reads)
2009-01-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38772
	* io/read.c (read_f): Clean up loop conditions for BZ/BN,
	allowing proper digit testing. White space fix.

From-SVN: r143327
2009-01-13 05:40:36 +00:00
Jerry DeLisle
8217a6359f re PR libfortran/38735 ([4.4 Regresssion] Default BLANK= mode for internal units is wrong)
2009-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38735
	* io/unit.c (get_internal_unit): Set default BLANK= status to NULL for
	internal units.

From-SVN: r143102
2009-01-05 22:55:15 +00:00
Jerry DeLisle
82192170e3 re PR fortran/37472 (bad output on default-format write of double in common block with -m64)
2008-12-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/37472
	* io/write_float.def (output_float_FMT_G_): Modify calculation of temp
	to avoid sensitivity to round-off.

From-SVN: r142884
2008-12-22 14:53:37 +00:00
Jerry DeLisle
50220190d2 re PR fortran/38398 (g0.w edit descriptor: Update for F2008 Tokyo meeting changes)
2008-12-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38398
	* io/io.h (st_parameter_dt): Add new bit to keep track of when to
	suppress blanks for g0 formatting.
	* io/transfer.c (formatted_transfer_scalar): Always call write_real_g0
	for g0 formatting.
	* io.c (write.c): Do not use ES formatting and use new bit to suppress
	blanks.
	* io/write_float.def (output_float): Adjust the location of setting the
	width so that it can be adjusted when suppressing blanks.  Set number of
	blanks to zero when dtp->u.p.g0_no_blanks is set. Do some minor code
	clean-up and add some white space for readability.

From-SVN: r142871
2008-12-21 21:23:52 +00:00
Jerry DeLisle
07e9d8beb7 re PR fortran/38504 (double minus sign when printing integer?)
2008-12-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38504
	io/write.c (write_decimal): Skip extra sign '-' at beginning of string
	returned by gfc_itoa.

From-SVN: r142747
2008-12-14 06:50:53 +00:00
Jerry DeLisle
9f309df283 re PR fortran/38430 (gfortran.dg/streamio_1.f90, 10, 14, 2, 6 now fails)
2008-12-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38430
	* io/transfer.c (data_transfer_init): Move constraint check for REC=
	and STREAM access into condition for other REC= constraints to simplify.
	Comment out this constraint to avoid breaking compatibility with 4.3
	until later.  Added a TODO for above comment and this one.
	Fix test for max pos.

From-SVN: r142575
2008-12-09 03:19:09 +00:00
Jerry DeLisle
97b14ba880 re PR fortran/38291 (Rejects I/O with POS= if FMT=*)
2008-12-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38291
	* io/transfer.c (data_transfer_init): Add fbuf_flush inadvertently
	ommitted.  Add check for invalid use of REC= with ACCESS="stream".  Fix
	comment.

From-SVN: r142528
2008-12-06 21:53:11 +00:00
Jerry DeLisle
4c934d41d2 re PR fortran/38291 (Rejects I/O with POS= if FMT=*)
2008-12-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/38291
	* io.c (match_dt_element): Use dt->pos in matcher.
	(gfc_free_dt): Free dt->pos after use.
	(gfc_resolve_dt): Use dt->pos in resolution of stream position tag.

2008-12-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38291
	* io/transfer.c (data_transfer_init): Add checks for POS= valid range.
	Add check for unit opened with ACCESS="stream". Flush and seek if
	current stream position does not match. Check ENDFILE on read.

From-SVN: r142515
2008-12-06 04:13:34 +00:00
Jerry DeLisle
e318b7602b re PR fortran/38285 (Wrong I/O output: Interaction between F and P for output)
2008-12-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/38285
	* write_float.def (WRITE_FLOAT): Zero the float value for special case
	only if	scale_factor = 0.

From-SVN: r142455
2008-12-05 04:07:45 +00:00
Jakub Jelinek
e14568432a re PR libfortran/37839 (st_parameter_dt has unwanted padding, is out of sync with compiler)
PR libfortran/37839
	* trans-io.c (gfc_build_io_library_fndecls): Decrease pad size back
	to 16 pointers plus 32 integers.  Don't use max integer kind
	alignment, only gfc_intio_kind's alignment.
	(gfc_trans_inquire): Only set flags2 if mask2 is non-zero.
	* ioparm.def: Fix order, bitmasks and types of inquire round, sign
	and pending fields.  Move u in dt before id.
	* io.c (gfc_free_inquire): Free decimal and size exprs.
	(match_inquire_element): Match size instead of matching blank twice.
	(gfc_resolve_inquire): Resolve size.

	* gfortran.dg/f2003_inquire_1.f03: New test.
	* gfortran.dg/f2003_io_1.f03: Remove xfail.
	* gfortran.dg/f2003_io_4.f03: Likewise.
	* gfortran.dg/f2003_io_5.f03: Likewise.
	* gfortran.dg/f2003_io_6.f03: Likewise.
	* gfortran.dg/f2003_io_7.f03: Likewise.

	* io/io.h (IOPARM_INQUIRE_HAS_ROUND, IOPARM_INQUIRE_HAS_SIGN,
	IOPARM_INQUIRE_HAS_PENDING): Adjust values.
	(st_parameter_inquire): Reorder and fix types of round, sign and
	pending fields.
	(st_parameter_43, st_parameter_44): Removed.
	(st_parameter_dt): Put back struct definition directly to u.p
	declaration.  Change type of u.p.size_used from gfc_offset to
	GFC_IO_INT.  Decrease back size of u.pad to 16 pointers and
	32 ints.  Put id, pos, asynchronous, blank, decimal, delim,
	pad, round and sign fields after the union.
	* io/inquire.c (inquire_via_unit, inquire_via_filename): Only read
	flags2 if it is defined.
	* io/transfer.c (read_sf, read_block_form, write_block): Cast
	additions to size_used to GFC_IO_INT instead of gfc_offset.
	(data_transfer_init): Clear whole u.p struct.  Adjust
	for moving id, pos, asynchronous, blank, decimal, delim, pad,
	round and sign fields from u.p directly into st_parameter_dt.
	(finalize_transfer): Don't cast size_used to GFC_IO_INT.
	* io/file_pos.c (st_endfile): Clear whole u.p struct.

From-SVN: r142111
2008-11-22 09:10:41 +01:00
Jerry DeLisle
0f4122ff3d re PR fortran/37472 (bad output on default-format write of double in common block with -m64)
2008-11-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/37472
	* io/write_float.def (output_float_FMT_G_): Adjust conversion of
	G format specification to F format.

From-SVN: r142079
2008-11-21 04:29:54 +00:00
Jerry DeLisle
264a5255d8 re PR libfortran/38097 (I/O with blanks in exponent fails; blank="NULL", BN edit descriptor)
2008-11-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/38097
	* io/read.c (read_f): Initialize exponent. Fix comment. Set loop
	conditions for BZ/BN.
	* io/unit.c (get_internal_unit): Initialize flags.blank.
	* io/transfer.c (data_transfer_init): Fix whitespace.

From-SVN: r141919
2008-11-16 16:12:16 +00:00
Jerry DeLisle
94bc6c1e77 re PR libfortran/37294 (Namelist I/O to array character internal units)
2008-11-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/37294
	* io/write.c (namelist_write_newline): Use array loop specification to
	advance to next internal array unit record. (namelist_write): Adjust to
	accomodate the internal array unit behavior.

From-SVN: r141892
2008-11-15 19:25:35 +00:00
Jerry DeLisle
a7f5d0542a re PR libfortran/37707 (Namelist read of array of derived type incorrect)
2008-10-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR libfortran/37707
	* io/list_read.c (read_character): Remove code to look ahead in namelist
	reads to descriminate non-delimited strings from namelist objects.
	* io/write.c (namelist_write): Delimit character strings with quote or
	apostrophe, defaulting to quote.

From-SVN: r141317
2008-10-23 02:31:00 +00:00
Jerry DeLisle
f13c001e1a re PR fortran/37834 (write(*,'(f0.0)') 0.0 prints "." instead of "0.")
2008-10-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR libfortran/37834
	* io/write_float.def (output_float): Emit '0.' for special case of
	format specifier 'f0.0' and value of zero. Likewise emit '0' for 'f1.0'.

From-SVN: r141231
2008-10-19 18:36:21 +00:00
Jerry DeLisle
80ad19715e re PR fortran/37863 (Display of a value close but less to 1 shows 2 with '(F3.0)')
2008-10-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR libfortran/37707
	* io/write_float.def (WRITE_FLOAT): Round to 1.0 correctly.
	* io/io.h (st_parameter_44): Fix id type declaration.

From-SVN: r141207
2008-10-18 05:23:47 +00:00
Thomas Koenig
afab92d840 file_pos.c (unformatted_backspace): Normal case is GFC_CONVERT_NATIVE.
2008-10-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* io/file_pos.c (unformatted_backspace): Normal case is
	GFC_CONVERT_NATIVE.
	* io/transfer.c (read_sf):  Mark paths leading to generate_error()
	as unlikely.
	(readl_block_form):  Likewise.
	(read_block_direct):  Likewise.
	(write_block):  Likewise.
	(write_buf):  Likewise.
	(us_read):  Likewise.  Normal case is GFC_CONVERT_NATIVE.
	(next_record_w_unf):  Mark paths leading to generate_error()
	as unlikely.

From-SVN: r141179
2008-10-16 18:23:25 +00:00
Jerry DeLisle
724cdffe5c re PR fortran/37083 (Formatted read of line without trailing new-line fails)
2008-10-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR libfortran/37083
	* io/list_read.c (next_char): Simplify EOF tests and set endfile flag.
	(finish_list_read): Add EOF check.

From-SVN: r141101
2008-10-14 01:49:51 +00:00
Thomas Koenig
e81897731e re PR libfortran/37753 (Convert="BIG_ENDIAN" reverses character)
2008-10-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/37753
	* io/transfer.c (unformatted_read):  CONVERT_NATIVE
	is the usual case.  Check for kind==1 for non-byte-reversing
	operation.
	(unformatted_write):  Likewise.

2008-10-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/37753
	* gfortran.dg/convert_2.f90:  New test case.

From-SVN: r141008
2008-10-09 19:28:58 +00:00
Jerry DeLisle
22a6009350 re PR libfortran/37707 (Namelist read of array of derived type incorrect)
2008-10-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR libfortran/37707
	* io/list_read.c (nml_get_obj_data): If the first namelist object rank
	is greater than zero, call nml_object_read with the first object rather
	than the sub-object.

From-SVN: r140995
2008-10-09 04:02:35 +00:00
Jerry DeLisle
105b713696 re PR fortran/37498 (Incorrect array value returned - 4.3 ABI Broken)
2008-09-25  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR libfortran/37498
	* list_read.c (eat_separator): Revert previous patch and move
	delim_status, decimal_status, and pad_status to gfc_unit.
	(parse_real): Ditto. (read_real): Ditto.
	* read.c (read_a): Likewise. (read_a_char4): Likewise.
	(read_f): Likewise.
	* inquire.c (inquire_via_unit): Add missing check for
	IOPARM_INQUIRE_HAS_FLAGS2. (inquire_via_filename): Likewise.
	* io.h (unit_sign_s): Move delim_status, decimal_status, and pad_status
	to gfc_unit.
	* transfer.c (read_sf): Ditto. (read_block_form): Ditto.
	(formatted_transfer_scalar): Ditto. (data_transfer_init): Ditto.
	* write.c (write_default_char4): Ditto. (write_utf8_char4): Ditto.
	(write_character): Ditto. (write_real_g0): Ditto.
	(list_formatted_write_scalar): Ditto. (nml_write_obj): Ditto.
	(namelist_write): Ditto.
	* write_float.def (calculate_sign): Ditto. (output_float): Ditto.

From-SVN: r140684
2008-09-26 06:19:42 +00:00
Jerry DeLisle
d7445152be re PR fortran/37498 (Incorrect array value returned - 4.3 ABI Broken)
2008-09-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR fortran/37498
	* trans-io.c (gfc_build_io_library_fndecls): Bump pad size.
	(build_dt): Set mask bit for IOPARM_dt_f2003.
	* ioparm.def: Add IOPARM_dt_f2003.

2008-09-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org

	PR libfortran/37498
	* file_pos (st_endfile): Clear memory only for libfortran 4.3 private
	area.
	* list_read.c (eat_separator): Only access F2003 I/O parameters if
	IOPARM_DT_HAS_F2003 bit is set. (parse_real): Ditto.
	(read_real): Ditto.
	* read.c (read_a): Likewise. (read_a_char4): Likewise though not
	strictly necessary. (read_f): Likewise.
	* io.h (unit_sign_s): New enumerator to allow duplication of
	st_parameter structures. (IOPARM_DT_HAS_F2003): New mask bit.
	(st_parameter_43): New structure copied from 4.3 version of 
	st_paramater_dt private section. (st_parameter_44): New structure with
	F2003 items added. (st_parameter_dt): Modified to create union of new
	and old structures to allow correct memory setting for 4.3 ABI
	compatibility. Bumped the pad size.
	* transfer.c (read_sf): Do not use F2003 I/O memory areas unless
	IOPARM_DT_HAS_F2003 bit has been set. (read_block_form): Ditto.
	(formatted_transfer_scalar): Ditto. (data_transfer_init): Ditto and
	add comment, fix formatting.
	* write.c (write_default_char4): Likewise though not strictly necessary.
	(write_utf8_char4): Ditto. (write_character): Ditto.
	(write_real_g0): Ditto. (list_formatted_write_scalar): Ditto.
	(nml_write_obj): Ditto. (namelist_write): Ditto.
	* write_float.def (calculate_sign): Eliminate warning by including all
	cases in switch. (output_float): Output only decimal point of F2003 flag
	is not set.

From-SVN: r140576
2008-09-23 03:52:19 +00:00
Jerry DeLisle
900e887f6d re PR fortran/37228 (F2008: Support g0.<d> edit descriptor)
2008-09-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/37228
	* io.c (check_format): Allow specifying precision with g0 format.

2008-09-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/37301
	PR libfortran/37228
	* io/io.h (write_real_g0): Declare new function to handle g0.d format.
	* io/transfer.c (formatted_transfer_scalar): Use new function.
	* io/format.c (parse_format_list): Enable g0.d.
	* io/write.c (write_a_char4): Delete unused var.
	(set_fnode_default): New function to set the default fnode w, d, and e
	factored from write_real. (write_real): Use new factored function.
	(write_real_g0): New function that sets d to that passed by g0.d format
	specifier and set format to ES.  Default values for w and e are used
	from the new function, set_fnode_default.

2008-09-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/37228
	* gfortran.dg/fmt_g0_4.f08: Revised test.

From-SVN: r139886
2008-09-02 10:50:13 +02:00
Jerry DeLisle
8c8627c472 re PR fortran/36895 (Namelist writting to internal files: Control characters wrong?)
2008-08-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/36895
	* io/write.c (namelist_write_newline): New function to correctly mark
	next records in both external and internal units.
	(nml_write_obj): Use new function.
	(namelist_write: Use new function.

From-SVN: r139813
2008-08-31 00:04:33 +00:00
Tobias Burnus
cfd648ca23 re PR libfortran/35863 ([F2003] Implement ENCODING="UTF-8")
2008-08-19  Tobias Burnus  <burnus@net-b.de>

       PR libfortran/35863
       * io/write.c (write_a_char4): Add missing variable declaration
       in HAVE_CRLF block.

From-SVN: r139223
2008-08-19 08:00:51 +02:00
Jerry DeLisle
3ae86bf4f4 re PR libfortran/35863 ([F2003] Implement ENCODING="UTF-8")
2008-08-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35863
	* intrinsics/selected_char_kind.c: Enable iso_10646.
	* io/read.c (typedef uchar): New type.
	(read_utf8): New function to read a single UTF-8 encoded character.
	(read_utf8_char1): New function to read UTF-8 into a KIND=1 string.
	(read_default_char1): New functio to read default into KIND=1 string.
	(read_utf8_char4): New function to read UTF-8 into a KIND=4 string.
	(read_default_char4): New function to read UTF-8 into a KIND=4 string.
	(read_a): Modify to use the new functions.
	(read_a_char4): Modify to use the new functions.
	* io/write.c (error.h): Add include. (typedef uchar): New type.
	(write_default_char4): New function to default write KIND=4 string.
	(write_utf8_char4): New function to UTF-8 write KIND=4 string.
	(write_a_char4): Modify to use new functions.
	(write_character): Modify to use new functions.

From-SVN: r139147
2008-08-16 03:38:31 +00:00
Jerry DeLisle
ac834957b9 re PR fortran/36582 (Namelist I/O error: Bogus "Cannot match namelist object")
2008-07-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/36852
	* io/list_read.c: If variable rank is zero, do not adjust the found
	namelist object pointer.

From-SVN: r138072
2008-07-23 04:29:15 +00:00
Daniel Kraft
9cad01cefb re PR fortran/29835 (Error message of unknown edit descriptor needs improvement)
2008-07-22  Daniel Kraft  <d@domob.eu>

	PR fortran/29835
	* io.c (error_element), (format_locus):  New static globals.
	(unexpected_element):  Spelled out this message fully.
	(next_char):  Keep track of locus when not MODE_STRING.
	(next_char_not_space):  Remember last parsed element in error_element.
	(format_lex):  Fix two indentation errors.
	(check_format):  Use format_locus and possibly error_element for a
	slightly better error message on invalid format.
	(check_format_string):  Set format_locus to start of the string
	expression used as format.

2008-07-22  Daniel Kraft  <d@domob.eu>

	PR fortran/29835
	* io/format.c (struct format_data):  New member error_element.
	(unexpected_element):  Added '%c' to message.
	(next_char):  Keep track of last parsed character in fmt->error_element.
	(format_error):  If the message is unexpected_element, output the
	offending character, too.

2008-07-22  Daniel Kraft  <d@domob.eu>

	PR fortran/29835
	* gfortran.dg/fmt_error_3.f90:  New test.
	* gfortran.dg/fmt_error_4.f90:  New test.
	* gfortran.dg/fmt_error_5.f90:  New test.

From-SVN: r138063
2008-07-22 19:05:55 +02:00
Thomas Koenig
4a799ae7a6 re PR fortran/36890 (libgfortran/io/file_pos.c:55: warning: comparison between signed and unsigned)
2008-07-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/36890
	* io/file_pos.c:  Declare READ_CHUNK as signed to avoid
	signed/unsigned comparison warning in formatted_backspace.

From-SVN: r138050
2008-07-22 10:27:10 +00:00
Jerry DeLisle
302b150e73 re PR libfortran/36857 (Non-English locale breaks gfortran float formatting ("printf is broken"))
2008-07-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/36857
	* io/write_float.def: Comment out locale dependent code and fix general
	comments.

From-SVN: r138021
2008-07-21 04:44:10 +00:00
Jerry DeLisle
bdd3085e66 re PR fortran/36676 (Namelist Comments Problems)
2008-07-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/36676
	* io/list_read.c (find_nml_name): Use eat_separator instead of eat_line.

From-SVN: r137334
2008-07-02 03:58:57 +00:00
Jerry DeLisle
7b063fdc13 re PR libfortran/36657 (Namelist reading bug with string constant immediately followed by comment)
2008-06-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/36657
	* io/list_read.c (read_character): Check for '!' along with separators.
	(find_nml_name): Likewise and eat the comment if found.

From-SVN: r137236
2008-06-28 21:46:53 +00:00
Jerry DeLisle
fb669c2b42 re PR libfortran/36546 (Namelist error with tab following a comma and newline)
2008-06-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/36546
	* io/list_read.c (eat_separator): Add tab character to condition
	for looping past whitespace.

From-SVN: r136859
2008-06-17 04:14:07 +00:00
Jerry DeLisle
a9608b5743 re PR fortran/36515 (Integer read from stdin yields a value overflow for a valid integer.)
2008-06-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/36515
	* libgfortran.h (compile_options_t): Add int range_check to structure.
	* runtime/compile_options.c (set_options): Add range_check option.
	(init_compile_options): Likewise.
	*io/read.c (read_decimal): Change overflow checks to include
	range_check.

From-SVN: r136822
2008-06-15 20:02:58 +00:00
Jerry DeLisle
a82094b70d re PR libfortran/36538 (namelist failure with tabs preceding object name)
2008-06-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/36538
	* io/list_read.c (namelist_read): Add eat_separator to eliminate leading
	tabs.

From-SVN: r136776
2008-06-14 04:30:48 +00:00
Jerry DeLisle
cea93abbe2 re PR libfortran/35863 ([F2003] Implement ENCODING="UTF-8")
2008-06-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35863
	* libgfortran.h: Change l8_to_l4_offset to big_endian and add endian_off.
	* runtime/main.c: Fix error in comment. Change l8_to_l4_offset to
	big_endian. (determine_endianness): Add endian_off and set its value
	according to big_endian.
	* gfortran.map: Add symbol for new _gfortran_transfer_character_wide.
	* io/io.h: Add prototype declarations for new functions.
	* io/list_read.c (list_formatted_read_scalar): Modify to handle kind=4.
	(list_formatted_read): Calculate stride based on kind for character type
	and use it when calling list_formatted_read_scalar.
	* io/inquire.c (inquire_via_unit): Change l8_to_l4_offset to big_endian.
	* io/open.c (st_open): Change l8_to_l4_offset to big_endian.
	* io/read.c (read_a_char4): New function to handle formatted read.
	* io/write.c: Define GFC_CHAR4(x) to improve readability of code.
	(write_a_char4): New function to handle formatted write.
	(write_character): Modify to accept the kind parameter and adjust for
	endianess of the machine. (list_formatted_write): Calculate the stride
	resulting from the kind and adjust the list_formatted_write_scalar call
	accordingly. (nml_write_obj): Adjust calls to write_character.
	(namelist_write): Likewise.
	* io/transfer.c (formatted_transfer_scaler): Rename 'len' argument to
	'kind' argument to better describe what it is. Add calls to new
	functions for kind == 4. (formatted_transfer): Modify to handle the case
	of type character and kind equals 4 to pass in the kind to the transfer
	routines. (transfer_character_wide): Add this new function.
	(transfer_array): Don't set kind to the character string length. Adjust
	strides bases on character kind.
	(unformatted_read): Adjust size based on kind for character types.
	(unformatted_write): Likewise. (data_transfer_init): Change
	l8_to_l4_offset to big_endian.

From-SVN: r136763
2008-06-13 20:28:08 +00:00
Jerry DeLisle
9355110f96 re PR fortran/36420 (Fortran 2008: g0 edit descriptor)
2008-06-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/36420
	PR libfortran/36421
	PR libfortran/36422
	* io/io.h: Add prototype for write_real.
	* io/transfer.c (formatted_transfer_scalar): For FMT_G and width zero,
	use write_real.
	* io/format.c: Add zero width error message. (parse_format_list): Use
	error message for FMT_A if followed by FMT_ZERO. Use zero width error
	message	for FMT_G if mode is READ or if -std=f95 or f2003. (fmormat0):
	Fix typo in comment.
	* io/write.c (write_a): Set wlen to len if FMT_G and length is zero.
	(write_l): Add wlen variable and use it if FMT_G and width is zero.
	(write_decimal): If FMT_G, set m to -1 to flag processor dependent
	formatting. (write_real): Remove static declaration.

From-SVN: r136545
2008-06-07 23:59:53 +00:00
Thomas Koenig
51407486c4 list_read.c (list_formatted_read_scalar): Declare type as volatile to shut up compiler warning.
2008-05-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* io/list_read.c (list_formatted_read_scalar):  Declare
	type as volatile to shut up compiler warning.

From-SVN: r135480
2008-05-17 22:24:06 +00:00
Janne Blomqvist
8947fd62fa Part 1.1 of PR25561.
2008-05-15  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/25561
	* io/io.h (struct fbuf): Change pointer to position offset.
	* io/fbuf.c (fbuf_init): Reduce default size of buffer, ptr=>pos
	changes.
	(fbuf_reset): ptr=>pos changes.
	(fbuf_alloc): If the request doesn't fit, don't waste memory by
	keeping flushed bytes. ptr=>pos changes.
	(fbuf_flush): ptr=>pos changes.
	(fbuf_seek): Don't seek past the left tab limit, don't update active
	byte count.
	* io/open.c (new_unit): If RECL has been specified, used that as
	initial buffer size.

From-SVN: r135433
2008-05-16 20:42:44 +03:00
Janne Blomqvist
65686652e4 Fix fallout from part 1 of PR25561 patch.
2008-05-16  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/35632
        * io/open.c (new_unit): Set stream position to correct value.

From-SVN: r135432
2008-05-16 20:37:30 +03:00
Janne Blomqvist
3044d36951 Part 1 of PR25561, fix compile warnings forgotten in actual commit.
From-SVN: r135379
2008-05-15 19:32:00 +03:00
Janne Blomqvist
7c1b4aba72 Add fbuf.c
From-SVN: r135376
2008-05-15 18:58:20 +03:00
Janne Blomqvist
15877a88eb 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.

From-SVN: r135373
2008-05-15 18:53:34 +03:00
Jerry DeLisle
36afed5a79 re PR libfortran/36202 ([mingw] Namelist read fails with CRLF)
2008-05-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/36202
	* io/list_read (eat_separator): Handle the CR-LF case correctly.

From-SVN: r135177
2008-05-11 15:02:41 +00:00
Jerry DeLisle
d0d51277e2 re PR libfortran/36131 (wrong IO)
2008-05-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/36131
	* io/transfer.c (formatted_transfer_scalar): Revert patch for PR34974.
	(next_record_w): Likewise.

From-SVN: r134973
2008-05-06 04:00:38 +00:00
Jerry DeLisle
c26cc9a6a6 re PR libfortran/36094 (Runtime error show_locus not working correctly)
2008-05-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/36094
	* runtime/error.c (show_locus): Provide modified error message when
	filename has not yet been associated with a unit number.
	* io/open.c (encoding_opt[]): Comment out "utf-8" option and add TODO.

From-SVN: r134876
2008-05-02 01:33:16 +00:00
Jakub Jelinek
24722ea98e list_read.c (snprintf): Define if HAVE_SNPRINTF isn't defined.
* io/list_read.c (snprintf): Define if HAVE_SNPRINTF isn't defined.
	(nml_read_obj): Add nml_err_msg_size argument.  Pass it down to
	recursive call.  Use snprintf instead of sprintf when %s nl->var_name
	is used.
	(nml_get_obj_data): Add nml_err_msg_size argument.  Pass it down to
	nml_read_obj call.  Use snprintf instead of sprintf when %s
	nl->var_name is used.  Pass nml_err_msg to nml_parse_qualifier instead
	of parse_err_msg array.  Append " for namelist variable " and
	nl->var_name to it.
	(namelist_read): Increase size of nml_err_msg array to 200.  Pass
	sizeof nml_err_msg as extra argument to nml_get_obj_data.

	* gfortran.dg/namelist_47.f90: New test.

From-SVN: r134132
2008-04-09 11:00:31 +02:00
Jerry DeLisle
931149a6b7 PR fortran/25829 28655
2008-04-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25829 28655
	* io/open.c (edit_modes): Set flags.async. (new_unit) Set flags.async
	and flags.status. (st_open): Initialize flags.async.
	* io/list_read.c (read_charactor): Use delim_status instead of
	flags.delim.
	* io/read.c (read_x): Use pad_status instead of flags.pad.
	* io/inquire.c (inquire_via_unit): Add new checks.
	(inquire_via_filename): Likewise.
	* io/io.h (st_parameter_inquire): Add new flags.
	(st_parameter_dt): Likewise.
	* io/unit.c (get_internal_unit): Set flags.async. (init_units): Set
	flags.async.
	* io/transfer.c: Add delim and pad option arrays. (read_sf): Use
	pad_status instead of flags.pad. (read_block): Likewise.
	(data_transfer_init): Set flags.async and add checks.
	* io/write.c (write_character): Use delim_status.
	(list_formatted_write_scalar): Likewise. (nml_write_obj): Likewise.
	(namelist_write): Likewise.

From-SVN: r133988
2008-04-07 22:05:52 +00:00
Jerry DeLisle
10256cbe95 PR fortran/25829 28655
2008-04-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25829 28655
	* gfortran.map: Add new symbol, _gfortran_st_wait.
	* libgfortran.h (st_paramter_common): Add new I/O parameters.
	* open.c (st_option decimal_opt[], st_option encoding_opt[],
	st_option round_opt[], st_option sign_opt[], st_option async_opt[]): New
	parameter option arrays. (edit_modes): Add checks for new parameters.
	(new_unit): Likewise. (st_open): Likewise.
	* list_read.c (CASE_SEPERATORS): Add ';' as a valid separator.
	(eat_separator): Handle deimal comma. (read_logical): Fix whitespace.
	(parse_real): Handle decimal comma. (read_real): Handle decimal comma.
	* read.c (read_a): Use decimal status flag to allow comma in place of a
	decimal point. (read_f): Allow comma as acceptable character in float.
	According to decimal flag, substitute a period for a comma.
	(read_x): If decimal status flag is comma, disable the read_comma flag,
	not allowing comma as a delimiter, an extension otherwise.
	* io.h: (unit_decimal, unit_encoding, unit_round, unit_sign,
	unit_async): New enumerators. Add all new I/O parameters.
	* unix.c (unix_stream, int_stream): Add io_mode	asychronous I/O	control.
	(move_pos_offset, fd_alloc_w_at): Fix some whitespace.
	(fd_sfree): Use new enumerator. (fd_read): Likewise.
	(fd_write): Likewise. (fd_close): Fix whitespace.
	(fd_open): Use new enumertors. (tempfile, regular_file,
	open_external): Fix whitespace. (output_stream, error_stream): Set
	method. (stream_offset): Fix whitespace.
	* transfer.c: (st_option decimal_opt[], sign_opt[], blank_opt[]): New
	option arrays. 	(formatted_transfer_scalar): Set sf_read_comma flag
	based on new decimal_status flag. (data_transfer_init): Initialize new
	parameters. Add checks for decimal, sign, and blank. (st_wait): New stub.
	* format.c: (format_lex): Add format specifiers DP, DC, and D.
	(parse_format_list): Parse the new specifiers.
	* write.c (write_decimal): Use new sign enumerators to set the sign.
	(write_complex): Handle decimal comma and semi-colon separator.
	(nml_write_obj): Likewise.
	* write_float.def: Revise sign enumerators. (calculate_sign): Use new
	sign enumerators. (output_float): Likewise. Use new decimal_status flag
	to set the decimal character to a point or a comma.

From-SVN: r133943
2008-04-05 22:18:03 +00:00
Jerry DeLisle
fc8bc1753d re PR fortran/35699 (run-time abort writing zero sized section to direct access file)
2008-03-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35699
	* io/transfer.c (write_buf):  Don't pad the record, just return if the
	data is NULL.  (next_record_w): If there are bytes left in the record
	for unformatted direct I/O, pad out the record with zero bytes.

From-SVN: r133699
2008-03-28 22:13:17 +00:00
Jerry DeLisle
40e43495ce unix.c (fd_close): Do not close STDIN.
2008-03-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* io/unix.c (fd_close):  Do not close STDIN.

From-SVN: r133630
2008-03-27 05:30:18 +00:00
Jerry DeLisle
35077d5aed re PR fortran/35632 (stream io broken on FreeBSD due to ftruncate changes.)
2008-03-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35632
	* io/transfer.c (data_transfer_init):  Fix whitespace.
	(next_record_w): Truncate the file only if the stream
	position is short of the file end.

From-SVN: r133454
2008-03-22 22:03:13 +00:00
Jerry DeLisle
17f46ec355 re PR fortran/35627 (namelist read error)
2008-03-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35627
	* io/list_read.c (free_line): Clear the line buffer enable flag and
	reset the index into line_buffer, aka item_count.
	(next_char): Cleanup whitespace.
	(read_logical): Use unget_char to assure that the first character of the
	bad logical is saved in case it is part of an object name. Remove the
	clearing of index and flag that is now in free_line.
	(read_real): Likewise.

From-SVN: r133360
2008-03-20 02:05:05 +00:00
Jerry DeLisle
5a79ae8432 re PR fortran/35617 (read namelist error)
2008-03-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35617
	* io/list_read.c (eat_separator): If next character after eatline is '!'
	then eatline again.

From-SVN: r133302
2008-03-18 04:27:56 +00:00
Hans-Peter Nilsson
25abf44844 re PR libfortran/35293 (truncation errors with gfortran.dg/streamio_11.f90, 3, 4 and 15.)
PR libfortran/35293
	* io/unix.c (fd_truncate): Fold s->special_file case into
	success case of ftruncate/chsize call instead of the failure case.
	Make failure case actually return failure.  Properly update stream
	pointers on failure.  Call runtime_error for targets without
	neither ftruncate nor chsize where such a call would be needed.

From-SVN: r132888
2008-03-05 01:50:33 +00:00
Janne Blomqvist
4dabf73695 re PR libfortran/35063 (Clean up use of destroy_unit_mutex())
gcc:

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR gcc/35063
	* gthr.h: Add __gthread_mutex_destroy as a function that must be
	implemented.
	* gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
	* gthr-single.h (__gthread_mutex_destroy): Likewise.
	* gthr-rtems.h (__gthread_mutex_destroy): Likewise.
	* gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
	* gthr-nks.h (__gthread_mutex_destroy): Likewise.
	* gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
	* gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
	(__gthread_mutex_destroy_function): Rename to
	__gthread_mutex_destroy.
	* gthr-dce.h (__gthread_mutex_destroy): Call
	pthread_mutex_destroy.
	* gthr-tpf.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix95.h (__gthread_mutex_destroy): Likewise.


libgfortran:

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/35063
	* io/unit.c (destroy_unit_mutex): Call __gthread_mutex_destroy
	instead of macro kludge.

From-SVN: r132800
2008-03-01 12:46:31 +02:00
Jerry DeLisle
e32883d1a2 re PR libfortran/35132 (Formatted stream I/O write should truncate)
2008-02-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35132
	* io/transfer.c (next_record_w): Truncate after the last record for
	STREAM I/O.

	PR libfortran/34954
	* io/transfer.c (data_transfer_init): Initialize dtp->rec if writing.

	PR libfortran/34974
	* io/transfer.c (formatted_transfer_scalar): Flush the buffer if skips
	is less than zero. (next_record_w): Use sseek to position the file to
	the max position reached.

From-SVN: r132512
2008-02-21 02:27:07 +00:00
Jerry DeLisle
50a932e0cb re PR fortran/35036 (illegal E format descriptor produces wrong output)
2008-02-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35036
	* write_float.def (output_float):  Add error checks for zero digits
	after decimal point in E and D format specifiers.

From-SVN: r132510
2008-02-21 02:20:27 +00:00
Jerry DeLisle
ef4195d63d [multiple changes]
2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>

	PR gcc/35063
	* gthr-win32.h (__gthread_mutex_destroy_function): New function
	to CloseHandle after unlocking to prevent accumulation of handle
	count. 

2008-02-10  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35063
	* io/unit.c (destroy_unit_mutex): New function that uses
	__gthread_mutex_destroy_function or pthread_mutex_destroy after
	unlocking and before free_mem for final closure of I/O unit.
	(delete_root): Use new function.
	(free_internal_unit): Likewise.
	(close_unit_1): Likewise.

From-SVN: r132217
2008-02-10 18:06:34 +00:00
Thomas Koenig
6cac36304e re PR libfortran/34887 (reverse tabbing before slash descriptor (regression vs. g77))
2008-01-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfofortran/34887
	* io/transfer.c (next_record_w): Always move to the farthest
	position when completing the record (also when we are
	processing a slash edit descriptor).

2008-01-26  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfofortran/34887
	* gfortran.dg/x_slash_2.f:  New test.

From-SVN: r131864
2008-01-26 15:22:59 +00:00
Jerry DeLisle
4152bc263e re PR fortran/34876 (Can't read/write array sections with negative stride not specified)
2008-01-25  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/34876
	* io/transfer.c (write_buf): Handle case of zero sized array.
	(transfer_array): Set data pointer to NULL and size to zero.  Then
	make a data transfer and return.

From-SVN: r131848
2008-01-25 23:34:53 +00:00
Jerry DeLisle
17c2c96cdc inquire.c (inquire_via_unit): If a unit is opened...
2008-01-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* io/inquire.c (inquire_via_unit): If a unit is opened, return values
	according to the open action for DIRECT, FORMATTED, and	UNFORMATTED.
	(inquire_via_filename): Return "UNKNOWN" for SEQUENTIAL, DIRECT,
	FORAMATTED, and UNFORMATTED inquiries.
	* io/unix.c (inquire_sequential): Return "UNKNOWN" when appropriate
	for files that are not opened. (inquire_direct): Same.
	(inquire_formatted): Same.

From-SVN: r131672
2008-01-20 06:33:49 +00:00
Jerry DeLisle
6c540522ba transfer.c (formatted_transfer_scalar): Set max_pos to the greater of the current max_pos or the newly calculated position.
2008-01-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* io/transfer.c (formatted_transfer_scalar): Set max_pos to the greater
	of the current max_pos or the newly calculated position.

From-SVN: r131640
2008-01-18 22:19:15 +00:00
Tobias Burnus
810143349d write.c (write_real): Increase default precision for
2008-01-18  Tobias Burnus  <burnus@net-b.de>

        * io/write.c (write_real): Increase default precision for
        * REAL(16) by one.

2008-01-18  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/large_real_kind_form_io_1.f90: Enlarge string for
        * internal I/O.

From-SVN: r131639
2008-01-18 22:43:08 +01:00
Jerry DeLisle
fa347f2232 re PR fortran/34676 (IO error delayed)
2008-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/34676
	* io/list_read.c (next_char): Only save the EOF condition for later if
	advance="no".

From-SVN: r131337
2008-01-05 16:00:40 +00:00
Thomas Koenig
9370b3c0f9 re PR fortran/34565 (internal write to string array fails)
2008-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/34565
	* io/io.h:  Adjust protoypes for open_internal(),
	next_array_record() and init_loop_spec().
	* io/list_read.c (next_char):  Use argument "finished"
	of next_array_record to check for end on internal file.
	* io/unit.c:  Calculate the offset for an array
	internal file and supply this informatin to open_internal().
	* io/unix.c (open_internal):  Set the offset for the internal
	file on open.
	* io/transfer.c (init_loop_spec):  Calculate the starting
	record in case of negative strides.  Return size of 0 for
	an empty array.
	(next_array_record):  Use an extra flag to signal that the
	array is finished.
	(next_record_r):  Use the new flag to next_array_record().
	(next_record_w):  Likewise.

2008-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/34565
	* gfortran.dg/internal_readwrite_1.f90:  New test.
	* gfortran.dg/internal_readwrite_2.f90:  New test.

From-SVN: r131305
2008-01-03 19:49:38 +00:00
Jerry DeLisle
f15db427e1 transfer.c (read_sf): Check if readlen was less than the requested number of bytes to read and if so...
2007-12-25  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* io/transfer.c (read_sf): Check if readlen was less than the requested
	number of bytes to read and if so, generate error.

From-SVN: r131177
2007-12-26 03:37:01 +00:00
Tobias Burnus
667e20459d re PR libfortran/34530 (namelist read broken when whitespace after &namelist)
2007-12-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34530
        * io/list_read.c (eat_line): Move up in the file.
        (eat_separator): In namelist mode, skip over comment lines.

2007-12-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34530
        * gfortran.dg/namelist_44.f90: New.

From-SVN: r131099
2007-12-20 09:16:48 +01:00
Jerry DeLisle
78a15b1f3f re PR libfortran/34427 (Revision 130708 breaks namelist input)
2007-12-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/34427
	* io/list_read.c (read_real): Handle intervening line ends and spaces.
	(get_name): Don't push separators to saved_string.
	(eat_separator): If in namelist mode eat spaces and line ends as well.

From-SVN: r131003
2007-12-17 00:47:14 +00:00
Thomas Koenig
108bc19009 re PR libfortran/34370 (file positioning after nonadvancing i/o)
2007-12-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/34370
	PR libfortran/34323
	PR libfortran/34405
	* io/io.h:  Add previous_nonadvancing_write to gfc_unit.
	Add prototype for finish_last_advance_record.
	* io/file_pos.c (st_backspace):  Generate error if backspace is
	attempted for direct access or unformatted stream.
	If there are bytes left from a previous ADVANCE="no", write
	them out before performing the backspace.
	(st_endfile):  Generate error if endfile is attempted for
	direct access.
	If there are bytes left from a previous ADVANCE="no", write
	them out before performing the endfile.
	(st_rewind):  Generate error if rewind is attempted for
	direct access.
	* unit.c (close_unit_1):  Move functionality to write
	previously written bytes to...
	(finish_last_advance_record):  ... here.
	* transfer.c (data_transfer_init):  If reading, reset
	previous_nonadvancing_write.
	(finalize_transfer):  Set the previous_noadvancing_write
	flag if we are writing and ADVANCE="no" was specified.
	Only call next_record() if advance="no" wasn't specified.

2007-12-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/34370
	PR libfortran/34323
	PR libfortran/34405
	* gfortran.dg/advance_6.f90:  New test case.
	* gfortran.dg/direct_io_7.f90:  New test case.
	* gfortran.dg/streamio_13.f90:  New test case.

From-SVN: r130912
2007-12-13 19:35:09 +00:00
Tobias Burnus
b446725a8a re PR libfortran/34427 (Revision 130708 breaks namelist input)
2007-12-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34427
        * io/list_read.c (read_real): Fix unwinding for namelists.

2007-12-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34427
        * gfortran.dg/namelist_42.f90: New.

From-SVN: r130889
2007-12-13 12:01:00 +01:00
Jerry DeLisle
5f026f90f0 re PR fortran/34411 (hang-up during read of non-expected input)
2007-12-10  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/34411
	* io/read.c (convert_real, read_l, read_decimal, read_radix, read_f):
	Call next_record after bad read or overflow error.

From-SVN: r130767
2007-12-11 03:49:52 +00:00
Tobias Burnus
de80e4f820 [multiple changes]
2007-12-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34404
        * io/list_read.c (parse_real): Remove superfluous "goto bad;".

2007-12-09  H.J. Lu  <hjl@lucon.org>
             Tobias Burnus  <burnus@net-b.de>

        PR fortran/34404
        * gfortran.dg/read_2.f90: New.

From-SVN: r130723
2007-12-09 13:58:25 +01:00
Tobias Burnus
c9f7e8258a re PR fortran/34319 (I/O: Support "NaN", "Infinity" and "INF" as input)
2007-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34319
        * io/list_read.c (parse_real, read_real): Support NaN/Infinity.

2007-12-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34319
        * gfortran.dg/nan_3.f90: New.

From-SVN: r130708
2007-12-08 16:51:52 +01:00
Jerry DeLisle
2ea7440786 re PR libfortran/33985 (access="stream",form="unformatted" doesn't buffer)
2007-12-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/33985
	* io/transfer.c (read_block, read_block_direct, write_block, write_buf):
	Don't seek if file position is already there for STREAM I/O.
	(finalize_transfer): For STREAM I/O don't flush unless the file position
	has moved past the start position before the transfer.

Co-Authored-By: Thomas Koenig <tkoenig@gcc.gnu.org>

From-SVN: r130574
2007-12-02 23:17:16 +00:00
Jerry DeLisle
3c55599b1f re PR libfortran/34291 (Segfault in io/list_read.c handling of end conditions)
2007-11-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/34291
	* io/list_read.c (read_character): When reading an unquoted string,
	return if special characters that could signify the end of the namelist
	read are encountered.

From-SVN: r130548
2007-11-30 23:19:34 +00:00
Jerry DeLisle
31de5c748d re PR libfortran/33985 (access="stream",form="unformatted" doesn't buffer)
2007-11-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33985
	* io/transfer.c (finalize_transfer): Revert previous patch.

From-SVN: r129955
2007-11-07 02:43:44 +00:00
Jerry DeLisle
0c70ecbea2 re PR libfortran/33985 (access="stream",form="unformatted" doesn't buffer)
2007-11-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33985
	* io/transfer.c (finalize_transfer): Do not flush for
	unformatted STREAM I/O.

From-SVN: r129870
2007-11-03 14:57:13 +00:00
Francois-Xavier Coudert
1f94e1d88e re PR fortran/33795 (Environment variable GFORTRAN_UNBUFFERED_<number> not working)
2007-10-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33795
	* libgfortran.h: Add unbuffered_preconnected.
	* io/unix.c (output_stream): Set stream unbuffered flag if
	options.unbuffered_preconnected has been set.
	(error_stream): Ditto.
	* runtime/environ.c (variable_table): Add to environment variable table
	the entry: GFORTRAN_UNBUFFERED_PRECONNECTED. 

Co-Authored-By: Jerry DeLisle <jvdelisle@gcc.gnu.org>

From-SVN: r129470
2007-10-19 04:10:58 +00:00
Jerry DeLisle
6ae786d29d re PR libfortran/33055 (Runtime error in INQUIRE unit existance with -fdefault-integer-8)
2007-10-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33055
	* io/inquire.c (inquire_via_unit):  If inquiring by unit, check for
	an error condition from the IOSTAT variable and set EXIST to false if
	there was a bad unit number.

From-SVN: r129344
2007-10-15 13:59:02 +00:00
Jerry DeLisle
45dfbe77d2 re PR libfortran/33672 (Additional runtime checks needed for namelist reads)
2007-10-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33672
	* io/list_read.c (nml_parse_qualifier): Add character specific error
	messages.  Check for proper form of sub-string qualifiers.  Return the
	parsed_rank flag indicating a non-zero rank qualifier.
	(nml_get_obj_data):  Count the instances of non-zero rank qualifiers.
	Issue an error if more that one non-zero rank qualifier is found.

From-SVN: r129309
2007-10-15 01:33:16 +00:00
Jerry DeLisle
808a2225f9 re PR libfortran/33253 (namelist: reading back a string with apostrophe)
2007-10-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33253
	* io/list_read.c (read_character): Use line_buffer to scan ahead for
	object name or string when no delimiter is found.

From-SVN: r129016
2007-10-04 15:57:28 +00:00
Jerry DeLisle
af2778d32e re PR libfortran/33253 (namelist: reading back a string with apostrophe)
2007-10-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33253
	* io/list_read.c (read_character): Use DELIM_APOSTROPHE and DELIM_QUOTE
        and quote value in check of first character in string.

From-SVN: r128973
2007-10-03 00:33:09 +00:00
Francois-Xavier Coudert
e900e0ca88 re PR libfortran/33469 (Default formats for real input are not precise enough)
PR libfortran/33469

	* io/write.c (write_real): Widen the default formats.

	* gfortran.dg/default_format_1.f90: New test.
	* gfortran.dg/default_format_2.f90: New test.
	* gfortran.dg/namelist_print_1.f: Adjust expected output.
	* gfortran.dg/real_const_3.f90: Adjust expected output.

From-SVN: r128967
2007-10-02 23:27:51 +00:00
Jerry DeLisle
04b6b884cd re PR fortran/33400 (Formatted read fails if line ends without line break)
2007-09-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33400
	* io/list_read.c (next_char): Interpret encountering the end of file the
	first time as an end of line.  Subsequent reads give EOF error.

From-SVN: r128868
2007-09-28 16:55:07 +00:00
Jerry DeLisle
9a1e025540 re PR libfortran/33421 (Weird quotation of namelist output of character arrays)
2007-09-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33421
	* io/list_read.c (read_character): Revert r128057.

From-SVN: r128857
2007-09-28 02:57:41 +00:00
Francois-Xavier Coudert
fe046210e2 re PR libfortran/23272 ([mingw32] inquire via filename fails)
PR libfortran/23272

	* io/unix.c (id_from_handle, id_from_path, id_from_fd): New
	functions.
	(compare_file_filename, find_file, find_file0): Use the new
	functions above.

	* gfortran.dg/inquire_10.f90: New test.

From-SVN: r128636
2007-09-20 22:56:48 +00:00
Francois-Xavier Coudert
2515e5a7a0 re PR libfortran/21185 (Improve testsuite results on newlib targets)
PR libfortran/21185
	* runtime/compile_options.c (set_options): Fix typo.
	* runtime/main.c (store_exe_path): If getcwd is not available,
	don't use it.
	* intrinsics/getcwd.c: Same thing here.
	* io/unix.c (fallback_access): New fallback function for access.
	(fix_fd): Don't use dup if it's not available.
	* configure.ac: Check for dup and getcwd.
	* configure: Regenerate.
	* config.h.in: Regenerate.

From-SVN: r128512
2007-09-15 14:52:46 +00:00
Francois-Xavier Coudert
a01246247e * io/io.h: Include libgfortran.h first.
From-SVN: r128442
2007-09-12 16:20:27 +00:00
Jerry DeLisle
3a6666054e re PR fortran/33307 (I/O read/positioning problem)
2007-09-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33307
	* io/filepos.c (st_backspace): Don't truncate when already at the end
	of the file.

From-SVN: r128253
2007-09-07 20:16:05 +00:00
David Edelsohn
200809cbbf libgfortran.h: Include config.h first.
* libgfortran.h: Include config.h first.
        * io/io.h (struct stream): Rename truncate to trunc.
        * io/unix.c (fd_open): Same.
        (open_internal): Same.

From-SVN: r128182
2007-09-06 08:40:50 -04:00