1 /* Copyright (C) 2002-2016 Free Software Foundation, Inc.
2 Contributed by Andy Vaught
3 F2003 I/O support contributed by Jerry DeLisle
5 This file is part of the GNU Fortran runtime library (libgfortran).
7 Libgfortran is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 Libgfortran is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
29 /* IO library include. */
31 #include "libgfortran.h"
36 /* POSIX 2008 specifies that the extended locale stuff is found in
37 locale.h, but some systems have them in xlocale.h. */
46 /* Forward declarations. */
47 struct st_parameter_dt
;
48 typedef struct stream stream
;
51 typedef struct fnode fnode
;
55 /* We have POSIX 2008 extended locale stuff. */
56 extern locale_t c_locale
;
57 internal_proto(c_locale
);
59 extern char* old_locale
;
60 internal_proto(old_locale
);
61 extern int old_locale_ctr
;
62 internal_proto(old_locale_ctr
);
63 extern __gthread_mutex_t old_locale_lock
;
64 internal_proto(old_locale_lock
);
68 /* Macros for testing what kinds of I/O we are doing. */
70 #define is_array_io(dtp) ((dtp)->internal_unit_desc)
72 #define is_internal_unit(dtp) ((dtp)->u.p.current_unit->internal_unit_kind)
74 #define is_stream_io(dtp) ((dtp)->u.p.current_unit->flags.access == ACCESS_STREAM)
76 #define is_char4_unit(dtp) ((dtp)->u.p.current_unit->internal_unit_kind == 4)
78 /* The array_loop_spec contains the variables for the loops over index ranges
79 that are encountered. */
81 typedef struct array_loop_spec
83 /* Index counter for this dimension. */
86 /* Start for the index counter. */
89 /* End for the index counter. */
92 /* Step for the index counter. */
97 /* User defined input/output iomsg length. */
101 /* Subroutine formatted_dtio (struct, unit, iotype, v_list, iostat,
102 iomsg, (_iotype), (_iomsg)) */
103 typedef void (*formatted_dtio
)(void *, GFC_INTEGER_4
*, char *, gfc_array_i4
*,
104 GFC_INTEGER_4
*, char *,
105 gfc_charlen_type
, gfc_charlen_type
);
107 /* Subroutine unformatted_dtio (struct, unit, iostat, iomsg, (_iomsg)) */
108 typedef void (*unformatted_dtio
)(void *, GFC_INTEGER_4
*, GFC_INTEGER_4
*,
109 char *, gfc_charlen_type
);
111 /* The dtio calls for namelist require a CLASS object to be built. */
112 typedef struct gfc_class
121 /* A structure to build a hash table for format data. */
123 #define FORMAT_HASH_SIZE 16
125 typedef struct format_hash_entry
128 gfc_charlen_type key_len
;
129 struct format_data
*hashed_fmt
;
133 /* Representation of a namelist object in libgfortran
136 &GROUPNAME OBJECT=value[s] [,OBJECT=value[s]].../
138 &GROUPNAME OBJECT=value[s] [,OBJECT=value[s]]...&END
140 The object can be a fully qualified, compound name for an intrinsic
141 type, derived types or derived type components. So, a substring
142 a(:)%b(4)%ch(2:4)(1:7) has to be treated correctly in namelist
143 read. Hence full information about the structure of the object has
144 to be available to list_read.c and write.
146 These requirements are met by the following data structures.
148 namelist_info type contains all the scalar information about the
149 object and arrays of descriptor_dimension and array_loop_spec types for
152 typedef struct namelist_type
160 /* Address for the start of the object's data. */
163 /* Address of specific DTIO subroutine. */
166 /* Address of vtable if dtio_sub non-null. */
169 /* Flag to show that a read is to be attempted for this node. */
172 /* Length of intrinsic type in bytes. */
175 /* Rank of the object. */
178 /* Overall size of the object in bytes. */
181 /* Length of character string. */
182 index_type string_length
;
184 descriptor_dimension
* dim
;
185 array_loop_spec
* ls
;
186 struct namelist_type
* next
;
190 /* Options for the OPEN statement. */
193 { ACCESS_SEQUENTIAL
, ACCESS_DIRECT
, ACCESS_APPEND
, ACCESS_STREAM
,
199 { ACTION_READ
, ACTION_WRITE
, ACTION_READWRITE
,
205 { BLANK_NULL
, BLANK_ZERO
, BLANK_UNSPECIFIED
}
209 { DELIM_NONE
, DELIM_APOSTROPHE
, DELIM_QUOTE
,
215 { FORM_FORMATTED
, FORM_UNFORMATTED
, FORM_UNSPECIFIED
}
219 { POSITION_ASIS
, POSITION_REWIND
, POSITION_APPEND
,
225 { STATUS_UNKNOWN
, STATUS_OLD
, STATUS_NEW
, STATUS_SCRATCH
,
226 STATUS_REPLACE
, STATUS_UNSPECIFIED
231 { PAD_YES
, PAD_NO
, PAD_UNSPECIFIED
}
235 { DECIMAL_POINT
, DECIMAL_COMMA
, DECIMAL_UNSPECIFIED
}
239 { ENCODING_UTF8
, ENCODING_DEFAULT
, ENCODING_UNSPECIFIED
}
243 { ROUND_UP
= GFC_FPE_UPWARD
,
244 ROUND_DOWN
= GFC_FPE_DOWNWARD
,
245 ROUND_ZERO
= GFC_FPE_TOWARDZERO
,
246 ROUND_NEAREST
= GFC_FPE_TONEAREST
,
247 ROUND_COMPATIBLE
= 10, /* round away from zero. */
248 ROUND_PROCDEFINED
, /* Here as ROUND_NEAREST. */
249 ROUND_UNSPECIFIED
/* Should never occur. */
253 /* NOTE: unit_sign must correspond with the sign_status enumerator in
254 st_parameter_dt to not break the ABI. */
256 { SIGN_PROCDEFINED
, SIGN_SUPPRESS
, SIGN_PLUS
, SIGN_UNSPECIFIED
}
260 { ADVANCE_YES
, ADVANCE_NO
, ADVANCE_UNSPECIFIED
}
264 {READING
, WRITING
, LIST_READING
, LIST_WRITING
}
268 { ASYNC_YES
, ASYNC_NO
, ASYNC_UNSPECIFIED
}
272 { SIGN_S
, SIGN_SS
, SIGN_SP
}
275 #define CHARACTER1(name) \
277 gfc_charlen_type name ## _len
278 #define CHARACTER2(name) \
279 gfc_charlen_type name ## _len; \
284 st_parameter_common common
;
285 GFC_INTEGER_4 recl_in
;
291 CHARACTER1 (position
);
295 CHARACTER1 (convert
);
296 CHARACTER2 (decimal
);
297 CHARACTER1 (encoding
);
300 CHARACTER2 (asynchronous
);
301 GFC_INTEGER_4
*newunit
;
305 #define IOPARM_CLOSE_HAS_STATUS (1 << 7)
309 st_parameter_common common
;
316 st_parameter_common common
;
318 st_parameter_filepos
;
320 #define IOPARM_INQUIRE_HAS_EXIST (1 << 7)
321 #define IOPARM_INQUIRE_HAS_OPENED (1 << 8)
322 #define IOPARM_INQUIRE_HAS_NUMBER (1 << 9)
323 #define IOPARM_INQUIRE_HAS_NAMED (1 << 10)
324 #define IOPARM_INQUIRE_HAS_NEXTREC (1 << 11)
325 #define IOPARM_INQUIRE_HAS_RECL_OUT (1 << 12)
326 #define IOPARM_INQUIRE_HAS_STRM_POS_OUT (1 << 13)
327 #define IOPARM_INQUIRE_HAS_FILE (1 << 14)
328 #define IOPARM_INQUIRE_HAS_ACCESS (1 << 15)
329 #define IOPARM_INQUIRE_HAS_FORM (1 << 16)
330 #define IOPARM_INQUIRE_HAS_BLANK (1 << 17)
331 #define IOPARM_INQUIRE_HAS_POSITION (1 << 18)
332 #define IOPARM_INQUIRE_HAS_ACTION (1 << 19)
333 #define IOPARM_INQUIRE_HAS_DELIM (1 << 20)
334 #define IOPARM_INQUIRE_HAS_PAD (1 << 21)
335 #define IOPARM_INQUIRE_HAS_NAME (1 << 22)
336 #define IOPARM_INQUIRE_HAS_SEQUENTIAL (1 << 23)
337 #define IOPARM_INQUIRE_HAS_DIRECT (1 << 24)
338 #define IOPARM_INQUIRE_HAS_FORMATTED (1 << 25)
339 #define IOPARM_INQUIRE_HAS_UNFORMATTED (1 << 26)
340 #define IOPARM_INQUIRE_HAS_READ (1 << 27)
341 #define IOPARM_INQUIRE_HAS_WRITE (1 << 28)
342 #define IOPARM_INQUIRE_HAS_READWRITE (1 << 29)
343 #define IOPARM_INQUIRE_HAS_CONVERT (1 << 30)
344 #define IOPARM_INQUIRE_HAS_FLAGS2 (1u << 31)
346 #define IOPARM_INQUIRE_HAS_ASYNCHRONOUS (1 << 0)
347 #define IOPARM_INQUIRE_HAS_DECIMAL (1 << 1)
348 #define IOPARM_INQUIRE_HAS_ENCODING (1 << 2)
349 #define IOPARM_INQUIRE_HAS_ROUND (1 << 3)
350 #define IOPARM_INQUIRE_HAS_SIGN (1 << 4)
351 #define IOPARM_INQUIRE_HAS_PENDING (1 << 5)
352 #define IOPARM_INQUIRE_HAS_SIZE (1 << 6)
353 #define IOPARM_INQUIRE_HAS_ID (1 << 7)
354 #define IOPARM_INQUIRE_HAS_IQSTREAM (1 << 8)
358 st_parameter_common common
;
359 GFC_INTEGER_4
*exist
, *opened
, *number
, *named
;
360 GFC_INTEGER_4
*nextrec
, *recl_out
;
361 GFC_IO_INT
*strm_pos_out
;
366 CHARACTER1 (position
);
371 CHARACTER2 (sequential
);
373 CHARACTER2 (formatted
);
374 CHARACTER1 (unformatted
);
377 CHARACTER2 (readwrite
);
378 CHARACTER1 (convert
);
379 GFC_INTEGER_4 flags2
;
380 CHARACTER1 (asynchronous
);
381 CHARACTER2 (decimal
);
382 CHARACTER1 (encoding
);
385 GFC_INTEGER_4
*pending
;
388 CHARACTER1 (iqstream
);
390 st_parameter_inquire
;
393 #define IOPARM_DT_LIST_FORMAT (1 << 7)
394 #define IOPARM_DT_NAMELIST_READ_MODE (1 << 8)
395 #define IOPARM_DT_HAS_REC (1 << 9)
396 #define IOPARM_DT_HAS_SIZE (1 << 10)
397 #define IOPARM_DT_HAS_IOLENGTH (1 << 11)
398 #define IOPARM_DT_HAS_FORMAT (1 << 12)
399 #define IOPARM_DT_HAS_ADVANCE (1 << 13)
400 #define IOPARM_DT_HAS_INTERNAL_UNIT (1 << 14)
401 #define IOPARM_DT_HAS_NAMELIST_NAME (1 << 15)
402 #define IOPARM_DT_HAS_ID (1 << 16)
403 #define IOPARM_DT_HAS_POS (1 << 17)
404 #define IOPARM_DT_HAS_ASYNCHRONOUS (1 << 18)
405 #define IOPARM_DT_HAS_BLANK (1 << 19)
406 #define IOPARM_DT_HAS_DECIMAL (1 << 20)
407 #define IOPARM_DT_HAS_DELIM (1 << 21)
408 #define IOPARM_DT_HAS_PAD (1 << 22)
409 #define IOPARM_DT_HAS_ROUND (1 << 23)
410 #define IOPARM_DT_HAS_SIGN (1 << 24)
411 #define IOPARM_DT_HAS_F2003 (1 << 25)
412 #define IOPARM_DT_HAS_UDTIO (1 << 26)
413 /* Internal use bit. */
414 #define IOPARM_DT_IONML_SET (1u << 31)
417 typedef struct st_parameter_dt
419 st_parameter_common common
;
421 GFC_IO_INT
*size
, *iolength
;
422 gfc_array_char
*internal_unit_desc
;
424 CHARACTER2 (advance
);
425 CHARACTER1 (internal_unit
);
426 CHARACTER2 (namelist_name
);
427 /* Private part of the structure. The compiler just needs
428 to reserve enough space. */
433 void (*transfer
) (struct st_parameter_dt
*, bt
, void *, int,
435 struct gfc_unit
*current_unit
;
436 /* Item number in a formatted data transfer. Also used in namelist
437 read_logical as an index into line_buffer. */
440 unit_blank blank_status
;
441 unit_sign sign_status
;
443 int max_pos
; /* Maximum righthand column written to. */
444 /* Number of skips + spaces to be done for T and X-editing. */
446 /* Number of spaces to be done for T and X-editing. */
448 /* Whether an EOR condition was encountered. Value is:
449 0 if no EOR was encountered
450 1 if an EOR was encountered due to a 1-byte marker (LF)
451 2 if an EOR was encountered due to a 2-bytes marker (CRLF) */
453 unit_advance advance_status
;
454 unsigned reversion_flag
: 1; /* Format reversion has occurred. */
455 unsigned first_item
: 1;
456 unsigned seen_dollar
: 1;
457 unsigned eor_condition
: 1;
458 unsigned no_leading_blank
: 1;
459 unsigned char_flag
: 1;
460 unsigned input_complete
: 1;
462 unsigned comma_flag
: 1;
463 /* A namelist specific flag used in the list directed library
464 to flag that calls are being made from namelist read (e.g. to
465 ignore comments or to treat '/' as a terminator) */
466 unsigned namelist_mode
: 1;
467 /* A namelist specific flag used in the list directed library
468 to flag read errors and return, so that an attempt can be
469 made to read a new object name. */
470 unsigned nml_read_error
: 1;
471 /* A sequential formatted read specific flag used to signal that a
472 character string is being read so don't use commas to shorten a
473 formatted field width. */
474 unsigned sf_read_comma
: 1;
475 /* A namelist specific flag used to enable reading input from
476 line_buffer for logical reads. */
477 unsigned line_buffer_enabled
: 1;
478 /* An internal unit specific flag used to identify that the associated
480 unsigned unit_is_internal
: 1;
481 /* An internal unit specific flag to signify an EOF condition for list
484 /* Used for g0 floating point output. */
485 unsigned g0_no_blanks
: 1;
486 /* Used to signal use of free_format_data. */
487 unsigned format_not_saved
: 1;
488 /* A flag used to identify when a non-standard expanded namelist read
490 unsigned expanded_read
: 1;
491 /* 13 unused bits. */
493 /* Used for ungetc() style functionality. Possible values
494 are an unsigned char, EOF, or EOF - 1 used to mark the
495 field as not valid. */
496 int last_char
; /* No longer used, moved to gfc_unit. */
506 struct format_data
*fmt
;
507 namelist_info
*ionml
;
508 #ifdef HAVE_NEWLOCALE
511 /* Current position within the look-ahead line buffer. */
513 /* Storage area for values except for strings. Must be
514 large enough to hold a complex value (two reals) of the
517 GFC_IO_INT size_used
;
518 formatted_dtio fdtio_ptr
;
519 unformatted_dtio ufdtio_ptr
;
521 /* This pad size must be equal to the pad_size declared in
522 trans-io.c (gfc_build_io_library_fndecls). The above structure
523 must be smaller or equal to this array. */
524 char pad
[16 * sizeof (char *) + 32 * sizeof (int)];
528 CHARACTER1 (asynchronous
);
530 CHARACTER1 (decimal
);
538 /* Ensure st_parameter_dt's u.pad is bigger or equal to u.p. */
539 extern char check_st_parameter_dt
[sizeof (((st_parameter_dt
*) 0)->u
.pad
)
540 >= sizeof (((st_parameter_dt
*) 0)->u
.p
)
543 #define IOPARM_WAIT_HAS_ID (1 << 7)
547 st_parameter_common common
;
564 unit_position position
;
567 unit_convert convert
;
569 unit_decimal decimal
;
570 unit_encoding encoding
;
578 typedef struct gfc_unit
584 struct gfc_unit
*left
, *right
;
587 int read_bad
, current_record
, saved_pos
, previous_nonadvancing_write
;
590 { NO_ENDFILE
, AT_ENDFILE
, AFTER_ENDFILE
}
596 unit_decimal decimal_status
;
597 unit_delim delim_status
;
598 unit_round round_status
;
600 /* recl -- Record length of the file.
601 last_record -- Last record number read or written
602 maxrec -- Maximum record number in a direct access file
603 bytes_left -- Bytes left in current record.
604 strm_pos -- Current position in file for STREAM I/O.
605 recl_subrecord -- Maximum length for subrecord.
606 bytes_left_subrecord -- Bytes left in current subrecord. */
607 gfc_offset recl
, last_record
, maxrec
, bytes_left
, strm_pos
,
608 recl_subrecord
, bytes_left_subrecord
;
610 /* Set to 1 if we have read a subrecord. */
614 __gthread_mutex_t lock
;
615 /* Number of threads waiting to acquire this unit's lock.
616 When non-zero, close_unit doesn't only removes the unit
617 from the UNIT_ROOT tree, but doesn't free it and the
618 last of the waiting threads will do that.
619 This must be either atomically increased/decreased, or
620 always guarded by UNIT_LOCK. */
622 /* Flag set by close_unit if the unit as been closed.
623 Must be manipulated under unit's lock. */
626 /* For traversing arrays */
630 /* Name of the file at the time OPEN was executed, as a
631 null-terminated C string. */
634 /* The format hash table. */
635 struct format_hash_entry format_hash_table
[FORMAT_HASH_SIZE
];
637 /* Formatting buffer. */
640 /* Function pointer, points to list_read worker functions. */
641 int (*next_char_fn_ptr
) (st_parameter_dt
*);
642 void (*push_char_fn_ptr
) (st_parameter_dt
*, int);
644 /* Internal unit char string data. */
645 char * internal_unit
;
646 gfc_charlen_type internal_unit_len
;
647 gfc_array_char
*string_unit_desc
;
648 int internal_unit_kind
;
650 /* DTIO Parent/Child procedure, 0 = parent, >0 = child level. */
656 typedef struct gfc_saved_unit
658 GFC_INTEGER_4 unit_number
;
663 /* TEMP_FAILURE_RETRY macro from glibc. */
665 #ifndef TEMP_FAILURE_RETRY
666 /* Evaluate EXPRESSION, and repeat as long as it returns -1 with `errno'
669 # define TEMP_FAILURE_RETRY(expression) \
671 ({ long int __result; \
672 do __result = (long int) (expression); \
673 while (__result == -1L && errno == EINTR); \
680 /* Maximum file offset, computed at library initialization time. */
681 extern gfc_offset max_offset
;
682 internal_proto(max_offset
);
684 /* Unit tree root. */
685 extern gfc_unit
*unit_root
;
686 internal_proto(unit_root
);
688 extern __gthread_mutex_t unit_lock
;
689 internal_proto(unit_lock
);
691 extern int close_unit (gfc_unit
*);
692 internal_proto(close_unit
);
694 extern gfc_unit
*set_internal_unit (st_parameter_dt
*, gfc_unit
*, int);
695 internal_proto(set_internal_unit
);
697 extern void stash_internal_unit (st_parameter_dt
*);
698 internal_proto(stash_internal_unit
);
700 extern gfc_unit
*find_unit (int);
701 internal_proto(find_unit
);
703 extern gfc_unit
*find_or_create_unit (int);
704 internal_proto(find_or_create_unit
);
706 extern gfc_unit
*get_unit (st_parameter_dt
*, int);
707 internal_proto(get_unit
);
709 extern void unlock_unit (gfc_unit
*);
710 internal_proto(unlock_unit
);
712 extern void finish_last_advance_record (gfc_unit
*u
);
713 internal_proto (finish_last_advance_record
);
715 extern int unit_truncate (gfc_unit
*, gfc_offset
, st_parameter_common
*);
716 internal_proto (unit_truncate
);
718 extern int newunit_alloc (void);
719 internal_proto(newunit_alloc
);
724 extern gfc_unit
*new_unit (st_parameter_open
*, gfc_unit
*, unit_flags
*);
725 internal_proto(new_unit
);
730 #define SCRATCH_SIZE 300
732 extern const char *type_name (bt
);
733 internal_proto(type_name
);
735 extern void * read_block_form (st_parameter_dt
*, int *);
736 internal_proto(read_block_form
);
738 extern void * read_block_form4 (st_parameter_dt
*, int *);
739 internal_proto(read_block_form4
);
741 extern void *write_block (st_parameter_dt
*, int);
742 internal_proto(write_block
);
744 extern gfc_offset
next_array_record (st_parameter_dt
*, array_loop_spec
*,
746 internal_proto(next_array_record
);
748 extern gfc_offset
init_loop_spec (gfc_array_char
*, array_loop_spec
*,
750 internal_proto(init_loop_spec
);
752 extern void next_record (st_parameter_dt
*, int);
753 internal_proto(next_record
);
755 extern void st_wait (st_parameter_wait
*);
756 export_proto(st_wait
);
758 extern void hit_eof (st_parameter_dt
*);
759 internal_proto(hit_eof
);
763 extern void set_integer (void *, GFC_INTEGER_LARGEST
, int);
764 internal_proto(set_integer
);
766 extern GFC_UINTEGER_LARGEST
si_max (int);
767 internal_proto(si_max
);
769 extern int convert_real (st_parameter_dt
*, void *, const char *, int);
770 internal_proto(convert_real
);
772 extern int convert_infnan (st_parameter_dt
*, void *, const char *, int);
773 internal_proto(convert_infnan
);
775 extern void read_a (st_parameter_dt
*, const fnode
*, char *, int);
776 internal_proto(read_a
);
778 extern void read_a_char4 (st_parameter_dt
*, const fnode
*, char *, int);
779 internal_proto(read_a
);
781 extern void read_f (st_parameter_dt
*, const fnode
*, char *, int);
782 internal_proto(read_f
);
784 extern void read_l (st_parameter_dt
*, const fnode
*, char *, int);
785 internal_proto(read_l
);
787 extern void read_x (st_parameter_dt
*, int);
788 internal_proto(read_x
);
790 extern void read_radix (st_parameter_dt
*, const fnode
*, char *, int, int);
791 internal_proto(read_radix
);
793 extern void read_decimal (st_parameter_dt
*, const fnode
*, char *, int);
794 internal_proto(read_decimal
);
796 extern void read_user_defined (st_parameter_dt
*, void *);
797 internal_proto(read_user_defined
);
799 extern void read_user_defined (st_parameter_dt
*, void *);
800 internal_proto(read_user_defined
);
804 extern void list_formatted_read (st_parameter_dt
*, bt
, void *, int, size_t,
806 internal_proto(list_formatted_read
);
808 extern void finish_list_read (st_parameter_dt
*);
809 internal_proto(finish_list_read
);
811 extern void namelist_read (st_parameter_dt
*);
812 internal_proto(namelist_read
);
814 extern void namelist_write (st_parameter_dt
*);
815 internal_proto(namelist_write
);
819 extern void write_a (st_parameter_dt
*, const fnode
*, const char *, int);
820 internal_proto(write_a
);
822 extern void write_a_char4 (st_parameter_dt
*, const fnode
*, const char *, int);
823 internal_proto(write_a_char4
);
825 extern void write_b (st_parameter_dt
*, const fnode
*, const char *, int);
826 internal_proto(write_b
);
828 extern void write_d (st_parameter_dt
*, const fnode
*, const char *, int);
829 internal_proto(write_d
);
831 extern void write_e (st_parameter_dt
*, const fnode
*, const char *, int);
832 internal_proto(write_e
);
834 extern void write_en (st_parameter_dt
*, const fnode
*, const char *, int);
835 internal_proto(write_en
);
837 extern void write_es (st_parameter_dt
*, const fnode
*, const char *, int);
838 internal_proto(write_es
);
840 extern void write_f (st_parameter_dt
*, const fnode
*, const char *, int);
841 internal_proto(write_f
);
843 extern void write_i (st_parameter_dt
*, const fnode
*, const char *, int);
844 internal_proto(write_i
);
846 extern void write_l (st_parameter_dt
*, const fnode
*, char *, int);
847 internal_proto(write_l
);
849 extern void write_o (st_parameter_dt
*, const fnode
*, const char *, int);
850 internal_proto(write_o
);
852 extern void write_real (st_parameter_dt
*, const char *, int);
853 internal_proto(write_real
);
855 extern void write_real_g0 (st_parameter_dt
*, const char *, int, int);
856 internal_proto(write_real_g0
);
858 extern void write_x (st_parameter_dt
*, int, int);
859 internal_proto(write_x
);
861 extern void write_z (st_parameter_dt
*, const fnode
*, const char *, int);
862 internal_proto(write_z
);
864 extern void write_user_defined (st_parameter_dt
*, void *);
865 internal_proto(write_user_defined
);
867 extern void write_user_defined (st_parameter_dt
*, void *);
868 internal_proto(write_user_defined
);
870 extern void list_formatted_write (st_parameter_dt
*, bt
, void *, int, size_t,
872 internal_proto(list_formatted_write
);
874 /* size_from_kind.c */
875 extern size_t size_from_real_kind (int);
876 internal_proto(size_from_real_kind
);
878 extern size_t size_from_complex_kind (int);
879 internal_proto(size_from_complex_kind
);
883 extern void free_ionml (st_parameter_dt
*);
884 internal_proto(free_ionml
);
887 inc_waiting_locked (gfc_unit
*u
)
889 #ifdef HAVE_SYNC_FETCH_AND_ADD
890 (void) __sync_fetch_and_add (&u
->waiting
, 1);
897 predec_waiting_locked (gfc_unit
*u
)
899 #ifdef HAVE_SYNC_FETCH_AND_ADD
900 return __sync_add_and_fetch (&u
->waiting
, -1);
907 dec_waiting_unlocked (gfc_unit
*u
)
909 #ifdef HAVE_SYNC_FETCH_AND_ADD
910 (void) __sync_fetch_and_add (&u
->waiting
, -1);
912 __gthread_mutex_lock (&unit_lock
);
914 __gthread_mutex_unlock (&unit_lock
);
920 memset4 (gfc_char4_t
*p
, gfc_char4_t c
, int k
)
923 for (j
= 0; j
< k
; j
++)