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

2006-03-22  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

2006-03-09  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

2006-02-27  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

2006-01-05  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/25550
	* io/file_pos.c (st_rewind): Reset bytes left so no error occurs in
	next_record_r.

From-SVN: r109101

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

gcc/fortran/
	PR fortran/14943
	PR fortran/21647
	* Make-lang.in (fortran/trans-io.o): Depend on fortran/ioparm.def.
	* dump-parse-tree.c (gfc_show_code_node): Dump c->block for
	EXEC_{READ,WRITE,IOLENGTH} nodes.
	* io.c (terminate_io, match_io, gfc_match_inquire): Put data
	transfer commands into EXEC_{READ,WRITE,IOLENGTH}'s code->block.
	* resolve.c (resolve_blocks): Handle EXEC_{READ,WRITE,IOLENGTH}.
	* trans-io.c (ioparm_unit, ioparm_err, ioparm_end, ioparm_eor,
	ioparm_list_format, ioparm_library_return, ioparm_iostat,
	ioparm_exist, ioparm_opened, ioparm_number, ioparm_named,
	ioparm_rec, ioparm_nextrec, ioparm_size, ioparm_recl_in,
	ioparm_recl_out, ioparm_iolength, ioparm_file, ioparm_file_len,
	ioparm_status, ioparm_status_len, ioparm_access, ioparm_access_len,
	ioparm_form, ioparm_form_len, ioparm_blank, ioparm_blank_len,
	ioparm_position, ioparm_position_len, ioparm_action,
	ioparm_action_len, ioparm_delim, ioparm_delim_len, ioparm_pad,
	ioparm_pad_len, ioparm_format, ioparm_format_len, ioparm_advance,
	ioparm_advance_len, ioparm_name, ioparm_name_len,
	ioparm_internal_unit, ioparm_internal_unit_len,
	ioparm_internal_unit_desc, ioparm_sequential, ioparm_sequential_len,
	ioparm_direct, ioparm_direct_len, ioparm_formatted,
	ioparm_formatted_len, ioparm_unformatted, ioparm_unformatted_len,
	ioparm_read, ioparm_read_len, ioparm_write, ioparm_write_len,
	ioparm_readwrite, ioparm_readwrite_len, ioparm_namelist_name,
	ioparm_namelist_name_len, ioparm_namelist_read_mode, ioparm_iomsg,
	ioparm_iomsg_len, ioparm_var): Remove.
	(enum ioparam_type, enum iofield_type, enum iofield,
	enum iocall): New enums.
	(gfc_st_parameter_field, gfc_st_parameter): New typedefs.
	(st_parameter, st_parameter_field, iocall): New variables.
	(ADD_FIELD, ADD_STRING): Remove.
	(dt_parm, dt_post_end_block): New variables.
	(gfc_build_st_parameter): New function.
	(gfc_build_io_library_fndecls): Use it.  Initialize iocall
	array rather than ioparm_*, add extra first arguments to
	the function types.
	(set_parameter_const): New function.
	(set_parameter_value): Add type argument, return a bitmask.
	Changed to set a field in automatic structure variable rather
	than set a field in a global _gfortran_ioparm variable.
	(set_parameter_ref): Likewise.  If requested var has different
	size than what field should point to, call with a temporary and
	then copy into the user variable.  Add postblock argument.
	(set_string): Remove var_len argument, add type argument, return
	a bitmask.  Changed to set fields in automatic structure variable
	rather than set a field in a global _gfortran_ioparm variable.
	(set_internal_unit): Remove iunit, iunit_len, iunit_desc arguments,
	add var argument.  Return a bitmask.  Changed to set fields in
	automatic structure variable rather than set a field in a global
	_gfortran_ioparm variable.
	(set_flag): Removed.
	(io_result): Add var argument.  Changed to read common.flags field
	from automatic structure variable and bitwise AND it with 3.
	(set_error_locus): Add var argument.  Changed to set fields in
	automatic structure variable rather than set a field in a global
	_gfortran_{filename,line} variables.
	(gfc_trans_open): Use gfc_start_block rather than gfc_init_block.
	Create a temporary st_parameter_* structure.  Adjust callers of
	all above mentioned functions.  Pass address of the temporary
	variable as first argument to the generated function call.
	Use iocall array rather than ioparm_* separate variables.
	(gfc_trans_close, build_filepos, gfc_trans_inquire): Likewise.
	(build_dt): Likewise.  Change first argument to tree from tree *.
	Don't dereference code->ext.dt if last_dt == INQUIRE.  Emit
	IOLENGTH argument setup here.  Set dt_parm/dt_post_end_block
	variables and gfc_trans_code the nested data transfer commands
	in code->block.
	(gfc_trans_iolength): Just set last_dt and call build_dt immediately.
	(transfer_namelist_element): Pass address of dt_parm variable
	to generated functions.  Use iocall array rather than ioparm_*
	separate variables.
	(gfc_trans_backspace, gfc_trans_endfile, gfc_trans_rewind,
	gfc_trans_flush, gfc_trans_read, gfc_trans_write): Use iocall array
	rather than ioparm_* separate variables.
	(gfc_trans_dt_end): Likewise.  Pass address of dt_parm variable
	as first argument to generated function.  Adjust io_result caller.
	Prepend dt_post_end_block before io_result code.
	(transfer_expr): Use iocall array rather than ioparm_* separate
	variables.  Pass address of dt_parm variables as first argument
	to generated functions.
	* ioparm.def: New file.
gcc/testsuite/
	PR fortran/24774
	* gfortran.dg/inquire_9.f90: New test.

	PR fortran/21647
	* gfortran.fortran-torture/execute/inquire_5.f90: New test.
libgfortran/
	PR fortran/24774
	PR fortran/14943
	PR fortran/21647
	* Makefile.am (AM_CPPFLAGS): Add gcc directories as -I paths,
	add -D_GNU_SOURCE.
	* Makefile.in: Regenerated.
	* acinclude.m4 (LIBGFOR_CHECK_SYNC_FETCH_AND_ADD,
	LIBGFOR_CHECK_GTHR_DEFAULT, LIBGFOR_CHECK_PRAGMA_WEAK): New macros.
	* configure.ac: Add them.
	* configure: Rebuilt.
	* config.h.in: Rebuilt.
	* libtool-version: Bump libgfortran.so SONAME to libgfortran.so.1.
	* libgfortran.h (library_start, show_locus, internal_error,
	generate_error, find_option): Add st_parameter_common * argument.
	(library_end): Change into a dummy macro.
	* io/io.h: Include gthr.h.
	(SUPPORTS_WEAK): Define if HAVE_PRAGMA_WEAK.
	(CHARACTER): Remove define.
	(st_parameter, global_t): Remove typedef.
	(ioparm, g, ionml, current_unit): Remove variables.
	(init_error_stream): Remove prototype.
	(CHARACTER1, CHARACTER2): Define.
	(st_parameter_common, st_parameter_open, st_parameter_close,
	st_parameter_filepos, st_parameter_inquire, st_parameter_dt): New
	typedefs.
	(IOPARM_LIBRETURN_MASK, IOPARM_LIBRETURN_OK, IOPARM_LIBRETURN_ERROR,
	IOPARM_LIBRETURN_END, IOPARM_LIBRETURN_EOR, IOPARM_ERR, IOPARM_END,
	IOPARM_EOR, IOPARM_HAS_IOSTAT, IOPARM_HAS_IOMSG, IOPARM_COMMON_MASK,
	IOPARM_OPEN_HAS_RECL_IN, IOPARM_OPEN_HAS_FILE, IOPARM_OPEN_HAS_STATUS,
	IOPARM_OPEN_HAS_ACCESS, IOPARM_OPEN_HAS_FORM, IOPARM_OPEN_HAS_BLANK,
	IOPARM_OPEN_HAS_POSITION, IOPARM_OPEN_HAS_ACTION,
	IOPARM_OPEN_HAS_DELIM, IOPARM_OPEN_HAS_PAD, IOPARM_CLOSE_HAS_STATUS,
	IOPARM_INQUIRE_HAS_EXIST, IOPARM_INQUIRE_HAS_OPENED,
	IOPARM_INQUIRE_HAS_NUMBER, IOPARM_INQUIRE_HAS_NAMED,
	IOPARM_INQUIRE_HAS_NEXTREC, IOPARM_INQUIRE_HAS_RECL_OUT,
	IOPARM_INQUIRE_HAS_FILE, IOPARM_INQUIRE_HAS_ACCESS,
	IOPARM_INQUIRE_HAS_FORM, IOPARM_INQUIRE_HAS_BLANK,
	IOPARM_INQUIRE_HAS_POSITION, IOPARM_INQUIRE_HAS_ACTION,
	IOPARM_INQUIRE_HAS_DELIM, IOPARM_INQUIRE_HAS_PAD,
	IOPARM_INQUIRE_HAS_NAME, IOPARM_INQUIRE_HAS_SEQUENTIAL,
	IOPARM_INQUIRE_HAS_DIRECT, IOPARM_INQUIRE_HAS_FORMATTED,
	IOPARM_INQUIRE_HAS_UNFORMATTED, IOPARM_INQUIRE_HAS_READ,
	IOPARM_INQUIRE_HAS_WRITE, IOPARM_INQUIRE_HAS_READWRITE,
	IOPARM_DT_LIST_FORMAT, IOPARM_DT_NAMELIST_READ_MODE,
	IOPARM_DT_HAS_REC, IOPARM_DT_HAS_SIZE, IOPARM_DT_HAS_IOLENGTH,
	IOPARM_DT_HAS_FORMAT, IOPARM_DT_HAS_ADVANCE,
	IOPARM_DT_HAS_INTERNAL_UNIT, IOPARM_DT_HAS_NAMELIST_NAME,
	IOPARM_DT_IONML_SET): Define.
	(gfc_unit): Add lock, waiting and close fields.  Change file
	from flexible array member into pointer to char.
	(open_external): Add st_parameter_open * argument.
	(find_file, file_exists): Add file and file_len arguments.
	(flush_all_units): New prototype.
	(max_offset, unit_root, unit_lock): New variable.
	(is_internal_unit, is_array_io, next_array_record,
	parse_format, next_format, unget_format, format_error,
	read_block, write_block, next_record, convert_real,
	read_a, read_f, read_l, read_x, read_radix, read_decimal,
	list_formatted_read, finish_list_read, namelist_read,
	namelist_write, write_a, write_b, write_d, write_e, write_en,
	write_es, write_f, write_i, write_l, write_o, write_x, write_z,
	list_formatted_write, get_unit): Add st_parameter_dt * argument.
	(insert_unit): Remove prototype.
	(find_or_create_unit, unlock_unit): New prototype.
	(new_unit): Return gfc_unit *.  Add st_parameter_open *
	and gfc_unit * arguments.
	(free_fnodes): Remove prototype.
	(free_format_data): New prototype.
	(scratch): Remove.
	(init_at_eol): Remove prototype.
	(free_ionml): New prototype.
	(inc_waiting_locked, predec_waiting_locked, dec_waiting_unlocked):
	New inline functions.
	* io/unit.c (max_offset, unit_root, unit_lock): New variables.
	(insert): Adjust os_error caller.
	(insert_unit): Made static.  Allocate memory here, initialize
	lock and after inserting it return it, locked.
	(delete_unit): Adjust for deletion of g.
	(find_unit_1): New function.
	(find_unit): Use it.
	(find_or_create_unit): New function.
	(get_unit): Add dtp argument, change meaning of the int argument
	as creation request flag.  Adjust for different st_* calling
	conventions, lock internal unit's lock before returning it
	and removal of g.  Call find_unit_1 instead of find_unit.
	(is_internal_unit, is_array_io): Add dtp argument, adjust for
	removal of most of global variables.
	(init_units): Initialize unit_lock.  Adjust insert_unit callers
	and adjust for g removal.
	(close_unit_1): New function.
	(close_unit): Use it.
	(unlock_unit): New function.
	(close_units): Lock unit_lock, use close_unit_1 rather than
	close_unit.
	* io/close.c (st_close): Add clp argument.  Adjust for new
	st_* calling conventions and internal function API changes.
	* io/file_pos.c (st_backspace, st_endfile, st_rewind, st_flush):
	Add fpp argument.  Adjust for new st_* calling conventions and
	internal function API changes.
	(formatted_backspace, unformatted_backspace): Likewise.  Add
	u argument.
	* io/open.c (edit_modes, st_open): Add opp argument.  Adjust for
	new st_* calling conventions and internal function API changes.
	(already_open): Likewise.  If not HAVE_UNLINK_OPEN_FILE, unlink
	scratch file.  Instead of calling close_unit just call sclose,
	free u->file if any and clear a few u fields before calling
	new_unit.
	(new_unit): Return gfc_unit *.  Add opp and u arguments.
	Adjust for new st_* calling conventions and internal function
	API changes.  Don't allocate unit here, rather than work with
	already created unit u already locked on entry.  In case
	of failure, close_unit it.
	* io/unix.c: Include unix.h.
	(BUFFER_SIZE, unix_stream): Moved to unix.h.
	(unit_to_fd): Add unlock_unit call.
	(tempfile): Add opp argument, use its fields rather than ioparm.
	(regular_file): Likewise.
	(open_external): Likewise.  Only unlink file if fd >= 0.
	(init_error_stream): Add error argument, set structure it points
	to rather than filling static variable and returning its address.
	(FIND_FILE0_DECL, FIND_FILE0_ARGS): Define.
	(find_file0): Use them.  Don't crash if u->s == NULL.
	(find_file): Add file and file_len arguments, use them instead
	of ioparm.  Add locking.  Pass either an array of 2 struct stat
	or file and file_len pair to find_file0.
	(flush_all_units_1, flush_all_units): New functions.
	(file_exists): Add file and file_len arguments, use them instead
	of ioparm.
	* io/unix.h: New file.
	* io/lock.c (ioparm, g, ionml): Remove variables.
	(library_start): Add cmp argument, adjust for new st_* calling
	conventions.
	(library_end): Remove.
	(free_ionml): New function.
	* io/inquire.c (inquire_via_unit, inquire_via_filename,
	st_inquire): Add iqp argument, adjust for new st_* calling
	conventions and internal function API changes.
	* io/format.c (FARRAY_SIZE): Decrease to 64.
	(fnode_array, format_data): New typedefs.
	(avail, array, format_string, string, error, saved_token, value,
	format_string_len, reversion_ok, saved_format): Remove variables.
	(colon_node): Add const.
	(free_fnode, free_fnodes): Remove.
	(free_format_data): New function.
	(next_char, unget_char, get_fnode, format_lex, parse_format_list,
	format_error, parse_format, revert, unget_format, next_test): Add
	fmt or dtp arguments, pass it all around, adjust for internal
	function API changes and adjust for removal of global variables.
	(next_format): Likewise.  Constify return type.
	(next_format0): Constify return type.
	* io/transfer.c (current_unit, sf_seen_eor, eor_condition, max_pos,
	skips, pending_spaces, scratch, line_buffer, advance_status,
	transfer): Remove variables.
	(transfer_integer, transfer_real, transfer_logical,
	transfer_character, transfer_complex, transfer_array, current_mode,
	read_sf, read_block, read_block_direct, write_block,
	write_block_direct, unformatted_read, unformatted_write,
	type_name, write_constant_string, require_type,
	formatted_transfer_scalar, us_read, us_write, pre_position,
	data_transfer_init, next_record_r, next_record_w, next_record,
	finalize_transfer, iolength_transfer, iolength_transfer_init,
	st_iolength, st_iolength_done, st_read, st_read_done, st_write,
	st_write_done, st_set_nml_var, st_set_nml_var_dim,
	next_array_record): Add dtp argument, pass it all around, adjust for
	internal function API changes and removal of global variables.
	* io/list_read.c (repeat_count, saved_length, saved_used,
	input_complete, at_eol, comma_flag, last_char, saved_string,
	saved_type, namelist_mode, nml_read_error, value, parse_err_msg,
	nml_err_msg, prev_nl): Remove variables.
	(push_char, free_saved, next_char, unget_char, eat_spaces,
	eat_separator, finish_separator, nml_bad_return, convert_integer,
	parse_repeat, read_logical, read_integer, read_character,
	parse_real, read_complex, read_real, check_type,
	list_formatted_read_scalar, list_formatted_read, finish_list_read,
	find_nml_node, nml_untouch_nodes, nml_match_name, nml_query,
	namelist_read): Add dtp argument, pass it all around, adjust for
	internal function API changes and removal of global variables.
	(nml_parse_qualifier): Likewise.  Add parse_err_msg argument.
	(nml_read_obj): Likewise.  Add pprev_nl, nml_err_msg, clow and
	chigh arguments.
	(nml_get_obj_data): Likewise.  Add pprev_nl and nml_err_msg
	arguments.
	(init_at_eol): Removed.
	* io/read.c (convert_real, read_l, read_a, next_char, read_decimal,
	read_radix, read_f, read_x): Add dtp argument, pass it all around,
	adjust for internal function API changes and removal of global
	variables.
	(set_integer): Adjust internal_error caller.
	* io/write.c (no_leading_blank, nml_delim): Remove variables.
	(write_a, calculate_sign, calculate_G_format, output_float,
	write_l, write_float, write_int, write_decimal, write_i, write_b,
	write_o, write_z, write_d, write_e, write_f, write_en, write_es,
	write_x, write_char, write_logical, write_integer, write_character,
	write_real, write_complex, write_separator,
	list_formatted_write_scalar, list_formatted_write, nml_write_obj,
	namelist_write): Add dtp argument, pass it all around, adjust for
	internal function API changes and removal of global variables.
	(extract_int, extract_uint, extract_real): Adjust internal_error
	callers.
	* runtime/fpu.c (_GNU_SOURCE): Don't define here.
	* runtime/error.c: Include ../io/unix.h.
	(filename, line): Remove variables.
	(st_printf): Pass address of a local variable to init_error_stream.
	(show_locus): Add cmp argument.  Use fields it points to rather than
	filename and line variables.
	(os_error, runtime_error): Remove show_locus calls.
	(internal_error): Add cmp argument.  Pass it down to show_locus.
	(generate_error): Likewise.  Use flags bitmask instead of non-NULL
	check for iostat and iomsg parameter presence, adjust for st_*
	calling convention changes.
	* runtime/stop.c (stop_numeric, stop_string): Remove show_locus
	calls.
	* runtime/pause.c (pause_numeric, pause_string): Likewise.
	* runtime/string.c: Include ../io/io.h.
	(find_option): Add cmp argument.  Pass it down to generate_error.
	* intrinsics/flush.c (recursive_flush): Remove.
	(flush_i4, flush_i8): Use flush_all_units.  Add unlock_unit
	call.
	* intrinsics/rand.c: Include ../io/io.h.
	(rand_seed_lock): New variable.
	(srand, irand): Add locking.
	(init): New constructor function.
	* intrinsics/random.c: Include ../io/io.h.
	(random_lock): New variable.
	(random_r4, random_r8, arandom_r4, arandom_r8): Add locking.
	(random_seed): Likewise.  open failed if fd < 0.  Set i correctly.
	(init): New constructor function.
	* intrinsics/system_clock.c (tp0, t0): Remove.
	(system_clock_4, system_clock_8): Don't subtract tp0/t0 from current
	time, use just integer arithmetics.
	* intrinsics/tty.c (isatty_l4, isatty_l8, ttynam_sub): Add
	unlock_unit calls.

From-SVN: r107328

2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

	* All files: Update FSF address.

From-SVN: r103194

	* io/backspace.c: File removed, contents moved to ...
	* io/endfile.c: Ditto.
	* io/rewind.c: Ditto.
	* io/file_pos.c: New file, ... here.

From-SVN: r102836

	* io/backspace.c (unformatted_backspace): Do not dereference
	the pointer to the stream.

From-SVN: r97851

	PR libfortran/20068
	PR libfortran/20125
	PR libfortran/20156
	PR libfortran/20471

	* io/backspace.c (unformatted_backspace): Fix error in arithmetic.
	(st_backspace): When in WRITING mode, we flush and falling back
	into READING mode. In all cases, correctly position the stream.

	* gfortran.dg/backspace.f: New test.

Co-Authored-By: Francois-Xavier Coudert <coudert@clipper.ens.fr>

From-SVN: r97478

2005-01-12  Toon Moene  <toon@moene.indiv.nluug.nl>

	PR libfortran/19280
	c99_protos.h: License changed to GPL+exception.
	libgfortran.h: Ditto.
	intrinsics/abort.c: Ditto.
	intrinsics/args.c: Ditto.
	intrinsics/associated.c: Ditto.
	intrinsics/bessel.c: Ditto.
	intrinsics/c99_functions.c: Ditto.
	intrinsics/cpu_time.c: Ditto.
	intrinsics/cshift0.c: Ditto.
	intrinsics/date_and_time.c: Ditto.
	intrinsics/env.c: Ditto.
	intrinsics/eoshift0.c: Ditto.
	intrinsics/eoshift2.c: Ditto.
	intrinsics/erf.c: Ditto.
	intrinsics/etime.c: Ditto.
	intrinsics/exit.c: Ditto.
	intrinsics/flush.c: Ditto.
	intrinsics/fnum.c: Ditto.
	intrinsics/getXid.c: Ditto.
	intrinsics/getcwd.c: Ditto.
	intrinsics/ishftc.c: Ditto.
	intrinsics/mvbits.c: Ditto.
	intrinsics/pack_generic.c: Ditto.
	intrinsics/rand.c: Ditto.
	intrinsics/random.c: Ditto.
	intrinsics/reshape_generic.c: Ditto.
	intrinsics/reshape_packed.c: Ditto.
	intrinsics/size.c: Ditto.
	intrinsics/spread_generic.c: Ditto.
	intrinsics/stat.c: Ditto.
	intrinsics/string_intrinsics.c: Ditto.
	intrinsics/system.c: Ditto.
	intrinsics/system_clock.c: Ditto.
	intrinsics/transpose_generic.c: Ditto.
	intrinsics/umask.c: Ditto.
	intrinsics/unlink.c: Ditto.
	intrinsics/unpack_generic.c: Ditto.
	io/backspace.c: Ditto.
	io/close.c: Ditto.
	io/endfile.c: Ditto.
	io/format.c: Ditto.
	io/inquire.c: Ditto.
	io/io.h: Ditto.
	io/list_read.c: Ditto.
	io/lock.c: Ditto.
	io/open.c: Ditto.
	io/read.c: Ditto.
	io/rewind.c: Ditto.
	io/transfer.c: Ditto.
	io/unit.c: Ditto.
	io/unix.c: Ditto.
	io/write.c: Ditto.
	m4/all.m4: Ditto.
	m4/any.m4: Ditto.
	m4/cexp.m4: Ditto.
	m4/chyp.m4: Ditto.
	m4/count.m4: Ditto.
	m4/cshift1.m4: Ditto.
	m4/ctrig.m4: Ditto.
	m4/dotprod.m4: Ditto.
	m4/dotprodc.m4: Ditto.
	m4/dotprodl.m4: Ditto.
	m4/eoshift1.m4: Ditto.
	m4/eoshift3.m4: Ditto.
	m4/exponent.m4: Ditto.
	m4/fraction.m4: Ditto.
	m4/head.m4: Ditto.
	m4/iforeach.m4: Ditto.
	m4/ifunction.m4: Ditto.
	m4/in_pack.m4: Ditto.
	m4/in_unpack.m4: Ditto.
	m4/iparm.m4: Ditto.
	m4/matmul.m4: Ditto.
	m4/matmull.m4: Ditto.
	m4/maxloc0.m4: Ditto.
	m4/maxloc1.m4: Ditto.
	m4/maxval.m4: Ditto.
	m4/minloc0.m4: Ditto.
	m4/minloc1.m4: Ditto.
	m4/minval.m4: Ditto.
	m4/mtype.m4: Ditto.
	m4/nearest.m4: Ditto.
	m4/pow.m4: Ditto.
	m4/product.m4: Ditto.
	m4/reshape.m4: Ditto.
	m4/set_exponent.m4: Ditto.
	m4/shape.m4: Ditto.
	m4/specific.m4: Ditto.
	m4/specific2.m4: Ditto.
	m4/sum.m4: Ditto.
	m4/transpose.m4: Ditto.
	m4/types.m4: Ditto.
	runtime/environ.c: Ditto.
	runtime/error.c: Ditto.
	runtime/in_pack_generic.c: Ditto.
	runtime/in_unpack_generic.c: Ditto.
	runtime/main.c: Ditto.
	runtime/memory.c: Ditto.
	runtime/normalize.c: Ditto.
	runtime/pause.c: Ditto.
	runtime/select.c: Ditto.
	runtime/stop.c: Ditto.
	runtime/string.c: Ditto.
	generated/_abs_c4.f90: Regenerated.
	generated/_abs_c8.f90: Regenerated.
	generated/_abs_i4.f90: Regenerated.
	generated/_abs_i8.f90: Regenerated.
	generated/_abs_r4.f90: Regenerated.
	generated/_abs_r8.f90: Regenerated.
	generated/_acos_r4.f90: Regenerated.
	generated/_acos_r8.f90: Regenerated.
	generated/_aint_r4.f90: Regenerated.
	generated/_aint_r8.f90: Regenerated.
	generated/_anint_r4.f90: Regenerated.
	generated/_anint_r8.f90: Regenerated.
	generated/_asin_r4.f90: Regenerated.
	generated/_asin_r8.f90: Regenerated.
	generated/_atan2_r4.f90: Regenerated.
	generated/_atan2_r8.f90: Regenerated.
	generated/_atan_r4.f90: Regenerated.
	generated/_atan_r8.f90: Regenerated.
	generated/_conjg_c4.f90: Regenerated.
	generated/_conjg_c8.f90: Regenerated.
	generated/_cos_c4.f90: Regenerated.
	generated/_cos_c8.f90: Regenerated.
	generated/_cos_r4.f90: Regenerated.
	generated/_cos_r8.f90: Regenerated.
	generated/_cosh_r4.f90: Regenerated.
	generated/_cosh_r8.f90: Regenerated.
	generated/_dim_i4.f90: Regenerated.
	generated/_dim_i8.f90: Regenerated.
	generated/_dim_r4.f90: Regenerated.
	generated/_dim_r8.f90: Regenerated.
	generated/_exp_c4.f90: Regenerated.
	generated/_exp_c8.f90: Regenerated.
	generated/_exp_r4.f90: Regenerated.
	generated/_exp_r8.f90: Regenerated.
	generated/_log10_r4.f90: Regenerated.
	generated/_log10_r8.f90: Regenerated.
	generated/_log_c4.f90: Regenerated.
	generated/_log_c8.f90: Regenerated.
	generated/_log_r4.f90: Regenerated.
	generated/_log_r8.f90: Regenerated.
	generated/_mod_i4.f90: Regenerated.
	generated/_mod_i8.f90: Regenerated.
	generated/_mod_r4.f90: Regenerated.
	generated/_mod_r8.f90: Regenerated.
	generated/_sign_i4.f90: Regenerated.
	generated/_sign_i8.f90: Regenerated.
	generated/_sign_r4.f90: Regenerated.
	generated/_sign_r8.f90: Regenerated.
	generated/_sin_c4.f90: Regenerated.
	generated/_sin_c8.f90: Regenerated.
	generated/_sin_r4.f90: Regenerated.
	generated/_sin_r8.f90: Regenerated.
	generated/_sinh_r4.f90: Regenerated.
	generated/_sinh_r8.f90: Regenerated.
	generated/_sqrt_c4.f90: Regenerated.
	generated/_sqrt_c8.f90: Regenerated.
	generated/_sqrt_r4.f90: Regenerated.
	generated/_sqrt_r8.f90: Regenerated.
	generated/_tan_r4.f90: Regenerated.
	generated/_tan_r8.f90: Regenerated.
	generated/_tanh_r4.f90: Regenerated.
	generated/_tanh_r8.f90: Regenerated.
	generated/all_l4.c: Regenerated.
	generated/all_l8.c: Regenerated.
	generated/any_l4.c: Regenerated.
	generated/any_l8.c: Regenerated.
	generated/count_4_l4.c: Regenerated.
	generated/count_4_l8.c: Regenerated.
	generated/count_8_l4.c: Regenerated.
	generated/count_8_l8.c: Regenerated.
	generated/cshift1_4.c: Regenerated.
	generated/cshift1_8.c: Regenerated.
	generated/dotprod_c4.c: Regenerated.
	generated/dotprod_c8.c: Regenerated.
	generated/dotprod_i4.c: Regenerated.
	generated/dotprod_i8.c: Regenerated.
	generated/dotprod_l4.c: Regenerated.
	generated/dotprod_l8.c: Regenerated.
	generated/dotprod_r4.c: Regenerated.
	generated/dotprod_r8.c: Regenerated.
	generated/eoshift1_4.c: Regenerated.
	generated/eoshift1_8.c: Regenerated.
	generated/eoshift3_4.c: Regenerated.
	generated/eoshift3_8.c: Regenerated.
	generated/exp_c4.c: Regenerated.
	generated/exp_c8.c: Regenerated.
	generated/exponent_r4.c: Regenerated.
	generated/exponent_r8.c: Regenerated.
	generated/fraction_r4.c: Regenerated.
	generated/fraction_r8.c: Regenerated.
	generated/hyp_c4.c: Regenerated.
	generated/hyp_c8.c: Regenerated.
	generated/in_pack_i4.c: Regenerated.
	generated/in_pack_i8.c: Regenerated.
	generated/in_unpack_i4.c: Regenerated.
	generated/in_unpack_i8.c: Regenerated.
	generated/matmul_c4.c: Regenerated.
	generated/matmul_c8.c: Regenerated.
	generated/matmul_i4.c: Regenerated.
	generated/matmul_i8.c: Regenerated.
	generated/matmul_l4.c: Regenerated.
	generated/matmul_l8.c: Regenerated.
	generated/matmul_r4.c: Regenerated.
	generated/matmul_r8.c: Regenerated.
	generated/maxloc0_4_i4.c: Regenerated.
	generated/maxloc0_4_i8.c: Regenerated.
	generated/maxloc0_4_r4.c: Regenerated.
	generated/maxloc0_4_r8.c: Regenerated.
	generated/maxloc0_8_i4.c: Regenerated.
	generated/maxloc0_8_i8.c: Regenerated.
	generated/maxloc0_8_r4.c: Regenerated.
	generated/maxloc0_8_r8.c: Regenerated.
	generated/maxloc1_4_i4.c: Regenerated.
	generated/maxloc1_4_i8.c: Regenerated.
	generated/maxloc1_4_r4.c: Regenerated.
	generated/maxloc1_4_r8.c: Regenerated.
	generated/maxloc1_8_i4.c: Regenerated.
	generated/maxloc1_8_i8.c: Regenerated.
	generated/maxloc1_8_r4.c: Regenerated.
	generated/maxloc1_8_r8.c: Regenerated.
	generated/maxval_i4.c: Regenerated.
	generated/maxval_i8.c: Regenerated.
	generated/maxval_r4.c: Regenerated.
	generated/maxval_r8.c: Regenerated.
	generated/minloc0_4_i4.c: Regenerated.
	generated/minloc0_4_i8.c: Regenerated.
	generated/minloc0_4_r4.c: Regenerated.
	generated/minloc0_4_r8.c: Regenerated.
	generated/minloc0_8_i4.c: Regenerated.
	generated/minloc0_8_i8.c: Regenerated.
	generated/minloc0_8_r4.c: Regenerated.
	generated/minloc0_8_r8.c: Regenerated.
	generated/minloc1_4_i4.c: Regenerated.
	generated/minloc1_4_i8.c: Regenerated.
	generated/minloc1_4_r4.c: Regenerated.
	generated/minloc1_4_r8.c: Regenerated.
	generated/minloc1_8_i4.c: Regenerated.
	generated/minloc1_8_i8.c: Regenerated.
	generated/minloc1_8_r4.c: Regenerated.
	generated/minloc1_8_r8.c: Regenerated.
	generated/minval_i4.c: Regenerated.
	generated/minval_i8.c: Regenerated.
	generated/minval_r4.c: Regenerated.
	generated/minval_r8.c: Regenerated.
	generated/nearest_r4.c: Regenerated.
	generated/nearest_r8.c: Regenerated.
	generated/pow_c4_i4.c: Regenerated.
	generated/pow_c4_i8.c: Regenerated.
	generated/pow_c8_i4.c: Regenerated.
	generated/pow_c8_i8.c: Regenerated.
	generated/pow_i4_i4.c: Regenerated.
	generated/pow_i4_i8.c: Regenerated.
	generated/pow_i8_i4.c: Regenerated.
	generated/pow_i8_i8.c: Regenerated.
	generated/pow_r4_i4.c: Regenerated.
	generated/pow_r4_i8.c: Regenerated.
	generated/pow_r8_i4.c: Regenerated.
	generated/pow_r8_i8.c: Regenerated.
	generated/product_c4.c: Regenerated.
	generated/product_c8.c: Regenerated.
	generated/product_i4.c: Regenerated.
	generated/product_i8.c: Regenerated.
	generated/product_r4.c: Regenerated.
	generated/product_r8.c: Regenerated.
	generated/reshape_i4.c: Regenerated.
	generated/reshape_i8.c: Regenerated.
	generated/set_exponent_r4.c: Regenerated.
	generated/set_exponent_r8.c: Regenerated.
	generated/shape_i4.c: Regenerated.
	generated/shape_i8.c: Regenerated.
	generated/sum_c4.c: Regenerated.
	generated/sum_c8.c: Regenerated.
	generated/sum_i4.c: Regenerated.
	generated/sum_i8.c: Regenerated.
	generated/sum_r4.c: Regenerated.
	generated/sum_r8.c: Regenerated.
	generated/transpose_i4.c: Regenerated.
	generated/transpose_i8.c: Regenerated.
	generated/trig_c4.c: Regenerated.
	generated/trig_c8.c: Regenerated.

From-SVN: r93235

        * acinclude.m4 (LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY): New.
        (LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT): New.
        (LIBGFOR_CHECK_ATTRIBUTE_ALIAS): New.
        * configure.ac: Use them.
        * configure, config.h.in, aclocal.m4: Rebuild.
        * libgfortran.h (prefix): Remove.
        (PREFIX, IPREFIX): New.
        (sym_rename, sym_rename1, sym_rename2): New.
        (internal_proto, export_proto, export_proto_np): New.
        (iexport_proto, iexport): New.
        (iexport_data_proto, iexport_data): New.
        * intrinsics/abort.c, intrinsics/args.c, intrinsics/associated.c,
        intrinsics/cpu_time.c, intrinsics/cshift0.c,
        intrinsics/date_and_time.c, intrinsics/env.c, intrinsics/eoshift0.c,
        intrinsics/eoshift2.c, intrinsics/etime.c, intrinsics/exit.c,
        intrinsics/flush.c, intrinsics/fnum.c, intrinsics/getXid.c,
        intrinsics/getcwd.c, intrinsics/ishftc.c, intrinsics/mvbits.c,
        intrinsics/pack_generic.c, intrinsics/rand.c, intrinsics/random.c,
        intrinsics/reshape_generic.c, intrinsics/size.c,
        intrinsics/spread_generic.c, intrinsics/stat.c,
        intrinsics/string_intrinsics.c, intrinsics/system.c,
        intrinsics/system_clock.c, intrinsics/transpose_generic.c,
        intrinsics/umask.c, intrinsics/unlink.c, intrinsics/unpack_generic.c,
        io/backspace.c, io/close.c, io/endfile.c, io/inquire.c, io/io.h,
        io/open.c, io/rewind.c, io/transfer.c, libgfortran.h, m4/cshift1.m4,
        m4/dotprod.m4, m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4,
        m4/eoshift3.m4, m4/exponent.m4, m4/fraction.m4, m4/iforeach.m4,
        m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4, m4/nearest.m4,
        m4/pow.m4, m4/reshape.m4, m4/set_exponent.m4, m4/shape.m4,
        m4/transpose.m4, runtime/environ.c, runtime/error.c,
        runtime/in_pack_generic.c, runtime/in_unpack_generic.c,
        runtime/main.c, runtime/memory.c, runtime/pause.c, runtime/select.c,
        runtime/stop.c: Use them to mark symbols internal or external.
        * generated/*: Rebuild.

From-SVN: r92045

        * intrinsics/c99_functions.c, intrinsics/eoshift0.c,
        intrinsics/eoshift2.c, intrinsics/exit.c, intrinsics/flush.c,
        intrinsics/ishftc.c, intrinsics/mvbits.c, intrinsics/pack_generic.c,
        intrinsics/random.c, intrinsics/reshape_generic.c, intrinsics/size.c,
        intrinsics/spread_generic.c, intrinsics/stat.c,
	intrinsics/string_intrinsics.c, intrinsics/system_clock.c,
        intrinsics/transpose_generic.c, intrinsics/unlink.c,
        intrinsics/unpack_generic.c, io/backspace.c, io/format.c,
        io/list_read.c, io/lock.c, io/open.c, io/transfer.c, io/unix.c,
        io/write.c, runtime/environ.c, runtime/error.c,
        runtime/in_pack_generic.c, runtime/in_unpack_generic.c, runtime/main.c,
        runtime/memory.c, runtime/pause.c, runtime/stop.c,
        runtime/string.c: Whitespace fixes.

From-SVN: r91794

2004-12-02  Bud Davis  <bdavis9659@comcast.net>

        PR libfortran/18284
        * io/unix.c (fd_alloc_w_at): Update file_length when extending.
        * io/backspace.c (formatted_backspace): Reset endfile after backspace.

        PR fortran/18284
        * gfortran.dg/backspace.f90

From-SVN: r91612

2004-06-08  Bud Davis  <bdavis9659@comcast.net>

	PR gfortran/15755
	* gfortran.fortran-torture/execute/backspace.c : New test.

	* io/backspace.c(st_backspace): call correct routine for
	formatted and un-formatted units.

From-SVN: r82806

PR fortran/15235
* gfortran.h (offset_t): Rename to ...
(gfc_offset): ... this.
* io/backspace.c (formatted_backspace, unformatted_backspace),
io/io.h (stream, gfc_unit, global_t, file_length, file_position),
transfer.c (us_read, us_write, next_record_r, next_record_w),
io/unit.c (init_units), unix.c (unix_stream, fd_alloc,
fd_alloc_r_at, fd_alloc_w_at, fd_seek, mmap_alloc,
mmap_alloc_r_at, mmap_alloc_w_at, mmap_seek, mem_alloc_r_at,
mem_alloc_w_at, mem_seek, file_length, file_position): Replace all
occurences of offset_t by gfc_offset.

From-SVN: r81994

PR fortran/15234
* io/io.h (unit_t): Rename to ...
(gfc_unit) ... this.
(unit_root, current_unit, find_file, find_unit, get_unit): Now
of type gfc_unit.
(delete_file, insert_unit, close_unit): Argument now of type
gfc_unit.
* backspace.c (st_backspace), close.c (st_close), endfile.c
(st_endfile), inquire.c (inquire_via_unit, st_inquire), open.c
(test_endfile, edit_modes, new_unit, already_open, st_open),
rewind.c (st_rewind), transfer.c (current_unit), unit.c
(internal_unit, unit_cache, rotate_left, rotate_right, insert,
insert_unit, delete_root, delete_treap, delete_unit, find_unit,
get_unit, init_units, close_unit), unix.c (find_file0,
find_file, delete_file): Replace all occurences of unit_t by
gfc_unit.

From-SVN: r81903

From-SVN: r81764