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 { SHARE_DENYRW
, SHARE_DENYNONE
,
278 { CC_LIST
, CC_FORTRAN
, CC_NONE
,
283 /* End-of-record types for CC_FORTRAN. */
291 CCF_OVERPRINT_NOA
=0x20,
296 { SIGN_S
, SIGN_SS
, SIGN_SP
}
299 /* Make sure to keep st_parameter_* in sync with gcc/fortran/ioparm.def. */
301 #define CHARACTER1(name) \
303 gfc_charlen_type name ## _len
304 #define CHARACTER2(name) \
305 gfc_charlen_type name ## _len; \
310 st_parameter_common common
;
311 GFC_INTEGER_4 recl_in
;
317 CHARACTER1 (position
);
321 CHARACTER1 (convert
);
322 CHARACTER2 (decimal
);
323 CHARACTER1 (encoding
);
326 CHARACTER2 (asynchronous
);
327 GFC_INTEGER_4
*newunit
;
328 GFC_INTEGER_4 readonly
;
334 #define IOPARM_CLOSE_HAS_STATUS (1 << 7)
338 st_parameter_common common
;
345 st_parameter_common common
;
347 st_parameter_filepos
;
349 #define IOPARM_INQUIRE_HAS_EXIST (1 << 7)
350 #define IOPARM_INQUIRE_HAS_OPENED (1 << 8)
351 #define IOPARM_INQUIRE_HAS_NUMBER (1 << 9)
352 #define IOPARM_INQUIRE_HAS_NAMED (1 << 10)
353 #define IOPARM_INQUIRE_HAS_NEXTREC (1 << 11)
354 #define IOPARM_INQUIRE_HAS_RECL_OUT (1 << 12)
355 #define IOPARM_INQUIRE_HAS_STRM_POS_OUT (1 << 13)
356 #define IOPARM_INQUIRE_HAS_FILE (1 << 14)
357 #define IOPARM_INQUIRE_HAS_ACCESS (1 << 15)
358 #define IOPARM_INQUIRE_HAS_FORM (1 << 16)
359 #define IOPARM_INQUIRE_HAS_BLANK (1 << 17)
360 #define IOPARM_INQUIRE_HAS_POSITION (1 << 18)
361 #define IOPARM_INQUIRE_HAS_ACTION (1 << 19)
362 #define IOPARM_INQUIRE_HAS_DELIM (1 << 20)
363 #define IOPARM_INQUIRE_HAS_PAD (1 << 21)
364 #define IOPARM_INQUIRE_HAS_NAME (1 << 22)
365 #define IOPARM_INQUIRE_HAS_SEQUENTIAL (1 << 23)
366 #define IOPARM_INQUIRE_HAS_DIRECT (1 << 24)
367 #define IOPARM_INQUIRE_HAS_FORMATTED (1 << 25)
368 #define IOPARM_INQUIRE_HAS_UNFORMATTED (1 << 26)
369 #define IOPARM_INQUIRE_HAS_READ (1 << 27)
370 #define IOPARM_INQUIRE_HAS_WRITE (1 << 28)
371 #define IOPARM_INQUIRE_HAS_READWRITE (1 << 29)
372 #define IOPARM_INQUIRE_HAS_CONVERT (1 << 30)
373 #define IOPARM_INQUIRE_HAS_FLAGS2 (1u << 31)
375 #define IOPARM_INQUIRE_HAS_ASYNCHRONOUS (1 << 0)
376 #define IOPARM_INQUIRE_HAS_DECIMAL (1 << 1)
377 #define IOPARM_INQUIRE_HAS_ENCODING (1 << 2)
378 #define IOPARM_INQUIRE_HAS_ROUND (1 << 3)
379 #define IOPARM_INQUIRE_HAS_SIGN (1 << 4)
380 #define IOPARM_INQUIRE_HAS_PENDING (1 << 5)
381 #define IOPARM_INQUIRE_HAS_SIZE (1 << 6)
382 #define IOPARM_INQUIRE_HAS_ID (1 << 7)
383 #define IOPARM_INQUIRE_HAS_IQSTREAM (1 << 8)
384 #define IOPARM_INQUIRE_HAS_SHARE (1 << 9)
385 #define IOPARM_INQUIRE_HAS_CC (1 << 10)
389 st_parameter_common common
;
390 GFC_INTEGER_4
*exist
, *opened
, *number
, *named
;
391 GFC_INTEGER_4
*nextrec
, *recl_out
;
392 GFC_IO_INT
*strm_pos_out
;
397 CHARACTER1 (position
);
402 CHARACTER2 (sequential
);
404 CHARACTER2 (formatted
);
405 CHARACTER1 (unformatted
);
408 CHARACTER2 (readwrite
);
409 CHARACTER1 (convert
);
410 GFC_INTEGER_4 flags2
;
411 CHARACTER1 (asynchronous
);
412 CHARACTER2 (decimal
);
413 CHARACTER1 (encoding
);
416 GFC_INTEGER_4
*pending
;
419 CHARACTER1 (iqstream
);
423 st_parameter_inquire
;
426 #define IOPARM_DT_LIST_FORMAT (1 << 7)
427 #define IOPARM_DT_NAMELIST_READ_MODE (1 << 8)
428 #define IOPARM_DT_HAS_REC (1 << 9)
429 #define IOPARM_DT_HAS_SIZE (1 << 10)
430 #define IOPARM_DT_HAS_IOLENGTH (1 << 11)
431 #define IOPARM_DT_HAS_FORMAT (1 << 12)
432 #define IOPARM_DT_HAS_ADVANCE (1 << 13)
433 #define IOPARM_DT_HAS_INTERNAL_UNIT (1 << 14)
434 #define IOPARM_DT_HAS_NAMELIST_NAME (1 << 15)
435 #define IOPARM_DT_HAS_ID (1 << 16)
436 #define IOPARM_DT_HAS_POS (1 << 17)
437 #define IOPARM_DT_HAS_ASYNCHRONOUS (1 << 18)
438 #define IOPARM_DT_HAS_BLANK (1 << 19)
439 #define IOPARM_DT_HAS_DECIMAL (1 << 20)
440 #define IOPARM_DT_HAS_DELIM (1 << 21)
441 #define IOPARM_DT_HAS_PAD (1 << 22)
442 #define IOPARM_DT_HAS_ROUND (1 << 23)
443 #define IOPARM_DT_HAS_SIGN (1 << 24)
444 #define IOPARM_DT_HAS_F2003 (1 << 25)
445 #define IOPARM_DT_HAS_UDTIO (1 << 26)
446 /* Internal use bit. */
447 #define IOPARM_DT_IONML_SET (1u << 31)
450 typedef struct st_parameter_dt
452 st_parameter_common common
;
454 GFC_IO_INT
*size
, *iolength
;
455 gfc_array_char
*internal_unit_desc
;
457 CHARACTER2 (advance
);
458 CHARACTER1 (internal_unit
);
459 CHARACTER2 (namelist_name
);
462 CHARACTER1 (asynchronous
);
464 CHARACTER1 (decimal
);
469 /* Private part of the structure. The compiler just needs
470 to reserve enough space. */
475 void (*transfer
) (struct st_parameter_dt
*, bt
, void *, int,
477 struct gfc_unit
*current_unit
;
478 /* Item number in a formatted data transfer. Also used in namelist
479 read_logical as an index into line_buffer. */
482 unit_blank blank_status
;
483 unit_sign sign_status
;
485 /* Maximum righthand column written to. */
487 /* Number of skips + spaces to be done for T and X-editing. */
489 /* Number of spaces to be done for T and X-editing. */
491 /* Whether an EOR condition was encountered. Value is:
492 0 if no EOR was encountered
493 1 if an EOR was encountered due to a 1-byte marker (LF)
494 2 if an EOR was encountered due to a 2-bytes marker (CRLF) */
496 unit_advance advance_status
;
497 unsigned reversion_flag
: 1; /* Format reversion has occurred. */
498 unsigned first_item
: 1;
499 unsigned seen_dollar
: 1;
500 unsigned eor_condition
: 1;
501 unsigned no_leading_blank
: 1;
502 unsigned char_flag
: 1;
503 unsigned input_complete
: 1;
505 unsigned comma_flag
: 1;
506 /* A namelist specific flag used in the list directed library
507 to flag that calls are being made from namelist read (e.g. to
508 ignore comments or to treat '/' as a terminator) */
509 unsigned namelist_mode
: 1;
510 /* A namelist specific flag used in the list directed library
511 to flag read errors and return, so that an attempt can be
512 made to read a new object name. */
513 unsigned nml_read_error
: 1;
514 /* A sequential formatted read specific flag used to signal that a
515 character string is being read so don't use commas to shorten a
516 formatted field width. */
517 unsigned sf_read_comma
: 1;
518 /* A namelist specific flag used to enable reading input from
519 line_buffer for logical reads. */
520 unsigned line_buffer_enabled
: 1;
521 /* An internal unit specific flag used to identify that the associated
523 unsigned unit_is_internal
: 1;
524 /* An internal unit specific flag to signify an EOF condition for list
527 /* Used for g0 floating point output. */
528 unsigned g0_no_blanks
: 1;
529 /* Used to signal use of free_format_data. */
530 unsigned format_not_saved
: 1;
531 /* A flag used to identify when a non-standard expanded namelist read
533 unsigned expanded_read
: 1;
534 /* 13 unused bits. */
536 /* Used for ungetc() style functionality. Possible values
537 are an unsigned char, EOF, or EOF - 1 used to mark the
538 field as not valid. */
539 int last_char
; /* No longer used, moved to gfc_unit. */
548 struct format_data
*fmt
;
549 namelist_info
*ionml
;
550 #ifdef HAVE_NEWLOCALE
553 /* Current position within the look-ahead line buffer. */
555 /* Storage area for values except for strings. Must be
556 large enough to hold a complex value (two reals) of the
559 GFC_IO_INT not_used
; /* Needed for alignment. */
560 formatted_dtio fdtio_ptr
;
561 unformatted_dtio ufdtio_ptr
;
562 /* With CC_FORTRAN, the first character of a record determines the
563 style of record end (and start) to use. We must mark down the type
564 when we write first in write_a so we remember the end type later in
568 unsigned type
: 6; /* See enum cc_fortran. */
569 unsigned len
: 2; /* Always 0, 1, or 2. */
570 /* The union is updated after start-of-record is written. */
573 char start
; /* Output character for start of record. */
574 char end
; /* Output character for end of record. */
578 /* This pad size must be equal to the pad_size declared in
579 trans-io.c (gfc_build_io_library_fndecls). The above structure
580 must be smaller or equal to this array. */
581 char pad
[16 * sizeof (char *) + 32 * sizeof (int)];
586 /* Ensure st_parameter_dt's u.pad is bigger or equal to u.p. */
587 extern char check_st_parameter_dt
[sizeof (((st_parameter_dt
*) 0)->u
.pad
)
588 >= sizeof (((st_parameter_dt
*) 0)->u
.p
)
591 #define IOPARM_WAIT_HAS_ID (1 << 7)
595 st_parameter_common common
;
612 unit_position position
;
615 unit_convert convert
;
617 unit_decimal decimal
;
618 unit_encoding encoding
;
629 typedef struct gfc_unit
635 struct gfc_unit
*left
, *right
;
638 int read_bad
, current_record
, saved_pos
, previous_nonadvancing_write
;
641 { NO_ENDFILE
, AT_ENDFILE
, AFTER_ENDFILE
}
647 unit_decimal decimal_status
;
648 unit_delim delim_status
;
649 unit_round round_status
;
651 /* recl -- Record length of the file.
652 last_record -- Last record number read or written
653 maxrec -- Maximum record number in a direct access file
654 bytes_left -- Bytes left in current record.
655 strm_pos -- Current position in file for STREAM I/O.
656 recl_subrecord -- Maximum length for subrecord.
657 bytes_left_subrecord -- Bytes left in current subrecord. */
658 gfc_offset recl
, last_record
, maxrec
, bytes_left
, strm_pos
,
659 recl_subrecord
, bytes_left_subrecord
;
661 /* Set to 1 if we have read a subrecord. */
665 __gthread_mutex_t lock
;
666 /* Number of threads waiting to acquire this unit's lock.
667 When non-zero, close_unit doesn't only removes the unit
668 from the UNIT_ROOT tree, but doesn't free it and the
669 last of the waiting threads will do that.
670 This must be either atomically increased/decreased, or
671 always guarded by UNIT_LOCK. */
673 /* Flag set by close_unit if the unit as been closed.
674 Must be manipulated under unit's lock. */
677 /* For traversing arrays */
681 /* Name of the file at the time OPEN was executed, as a
682 null-terminated C string. */
685 /* The format hash table. */
686 struct format_hash_entry format_hash_table
[FORMAT_HASH_SIZE
];
688 /* Formatting buffer. */
691 /* Function pointer, points to list_read worker functions. */
692 int (*next_char_fn_ptr
) (st_parameter_dt
*);
693 void (*push_char_fn_ptr
) (st_parameter_dt
*, int);
695 /* Internal unit char string data. */
696 char * internal_unit
;
697 gfc_charlen_type internal_unit_len
;
698 gfc_array_char
*string_unit_desc
;
699 int internal_unit_kind
;
701 /* DTIO Parent/Child procedure, 0 = parent, >0 = child level. */
705 GFC_IO_INT size_used
;
709 typedef struct gfc_saved_unit
711 GFC_INTEGER_4 unit_number
;
716 /* TEMP_FAILURE_RETRY macro from glibc. */
718 #ifndef TEMP_FAILURE_RETRY
719 /* Evaluate EXPRESSION, and repeat as long as it returns -1 with `errno'
722 # define TEMP_FAILURE_RETRY(expression) \
724 ({ long int __result; \
725 do __result = (long int) (expression); \
726 while (__result == -1L && errno == EINTR); \
733 /* Maximum file offset, computed at library initialization time. */
734 extern gfc_offset max_offset
;
735 internal_proto(max_offset
);
737 /* Unit tree root. */
738 extern gfc_unit
*unit_root
;
739 internal_proto(unit_root
);
741 extern __gthread_mutex_t unit_lock
;
742 internal_proto(unit_lock
);
744 extern int close_unit (gfc_unit
*);
745 internal_proto(close_unit
);
747 extern gfc_unit
*set_internal_unit (st_parameter_dt
*, gfc_unit
*, int);
748 internal_proto(set_internal_unit
);
750 extern void stash_internal_unit (st_parameter_dt
*);
751 internal_proto(stash_internal_unit
);
753 extern gfc_unit
*find_unit (int);
754 internal_proto(find_unit
);
756 extern gfc_unit
*find_or_create_unit (int);
757 internal_proto(find_or_create_unit
);
759 extern gfc_unit
*get_unit (st_parameter_dt
*, int);
760 internal_proto(get_unit
);
762 extern void unlock_unit (gfc_unit
*);
763 internal_proto(unlock_unit
);
765 extern void finish_last_advance_record (gfc_unit
*u
);
766 internal_proto (finish_last_advance_record
);
768 extern int unit_truncate (gfc_unit
*, gfc_offset
, st_parameter_common
*);
769 internal_proto (unit_truncate
);
771 extern int newunit_alloc (void);
772 internal_proto(newunit_alloc
);
777 extern gfc_unit
*new_unit (st_parameter_open
*, gfc_unit
*, unit_flags
*);
778 internal_proto(new_unit
);
783 #define SCRATCH_SIZE 300
785 extern const char *type_name (bt
);
786 internal_proto(type_name
);
788 extern void * read_block_form (st_parameter_dt
*, int *);
789 internal_proto(read_block_form
);
791 extern void * read_block_form4 (st_parameter_dt
*, int *);
792 internal_proto(read_block_form4
);
794 extern void *write_block (st_parameter_dt
*, int);
795 internal_proto(write_block
);
797 extern gfc_offset
next_array_record (st_parameter_dt
*, array_loop_spec
*,
799 internal_proto(next_array_record
);
801 extern gfc_offset
init_loop_spec (gfc_array_char
*, array_loop_spec
*,
803 internal_proto(init_loop_spec
);
805 extern void next_record (st_parameter_dt
*, int);
806 internal_proto(next_record
);
808 extern void st_wait (st_parameter_wait
*);
809 export_proto(st_wait
);
811 extern void hit_eof (st_parameter_dt
*);
812 internal_proto(hit_eof
);
816 extern void set_integer (void *, GFC_INTEGER_LARGEST
, int);
817 internal_proto(set_integer
);
819 extern GFC_UINTEGER_LARGEST
si_max (int);
820 internal_proto(si_max
);
822 extern int convert_real (st_parameter_dt
*, void *, const char *, int);
823 internal_proto(convert_real
);
825 extern int convert_infnan (st_parameter_dt
*, void *, const char *, int);
826 internal_proto(convert_infnan
);
828 extern void read_a (st_parameter_dt
*, const fnode
*, char *, int);
829 internal_proto(read_a
);
831 extern void read_a_char4 (st_parameter_dt
*, const fnode
*, char *, int);
832 internal_proto(read_a
);
834 extern void read_f (st_parameter_dt
*, const fnode
*, char *, int);
835 internal_proto(read_f
);
837 extern void read_l (st_parameter_dt
*, const fnode
*, char *, int);
838 internal_proto(read_l
);
840 extern void read_x (st_parameter_dt
*, int);
841 internal_proto(read_x
);
843 extern void read_radix (st_parameter_dt
*, const fnode
*, char *, int, int);
844 internal_proto(read_radix
);
846 extern void read_decimal (st_parameter_dt
*, const fnode
*, char *, int);
847 internal_proto(read_decimal
);
849 extern void read_user_defined (st_parameter_dt
*, void *);
850 internal_proto(read_user_defined
);
852 extern void read_user_defined (st_parameter_dt
*, void *);
853 internal_proto(read_user_defined
);
857 extern void list_formatted_read (st_parameter_dt
*, bt
, void *, int, size_t,
859 internal_proto(list_formatted_read
);
861 extern void finish_list_read (st_parameter_dt
*);
862 internal_proto(finish_list_read
);
864 extern void namelist_read (st_parameter_dt
*);
865 internal_proto(namelist_read
);
867 extern void namelist_write (st_parameter_dt
*);
868 internal_proto(namelist_write
);
872 extern void write_a (st_parameter_dt
*, const fnode
*, const char *, int);
873 internal_proto(write_a
);
875 extern void write_a_char4 (st_parameter_dt
*, const fnode
*, const char *, int);
876 internal_proto(write_a_char4
);
878 extern void write_b (st_parameter_dt
*, const fnode
*, const char *, int);
879 internal_proto(write_b
);
881 extern void write_d (st_parameter_dt
*, const fnode
*, const char *, int);
882 internal_proto(write_d
);
884 extern void write_e (st_parameter_dt
*, const fnode
*, const char *, int);
885 internal_proto(write_e
);
887 extern void write_en (st_parameter_dt
*, const fnode
*, const char *, int);
888 internal_proto(write_en
);
890 extern void write_es (st_parameter_dt
*, const fnode
*, const char *, int);
891 internal_proto(write_es
);
893 extern void write_f (st_parameter_dt
*, const fnode
*, const char *, int);
894 internal_proto(write_f
);
896 extern void write_i (st_parameter_dt
*, const fnode
*, const char *, int);
897 internal_proto(write_i
);
899 extern void write_l (st_parameter_dt
*, const fnode
*, char *, int);
900 internal_proto(write_l
);
902 extern void write_o (st_parameter_dt
*, const fnode
*, const char *, int);
903 internal_proto(write_o
);
905 extern void write_real (st_parameter_dt
*, const char *, int);
906 internal_proto(write_real
);
908 extern void write_real_g0 (st_parameter_dt
*, const char *, int, int);
909 internal_proto(write_real_g0
);
911 extern void write_x (st_parameter_dt
*, int, int);
912 internal_proto(write_x
);
914 extern void write_z (st_parameter_dt
*, const fnode
*, const char *, int);
915 internal_proto(write_z
);
917 extern void write_user_defined (st_parameter_dt
*, void *);
918 internal_proto(write_user_defined
);
920 extern void write_user_defined (st_parameter_dt
*, void *);
921 internal_proto(write_user_defined
);
923 extern void list_formatted_write (st_parameter_dt
*, bt
, void *, int, size_t,
925 internal_proto(list_formatted_write
);
927 /* size_from_kind.c */
928 extern size_t size_from_real_kind (int);
929 internal_proto(size_from_real_kind
);
931 extern size_t size_from_complex_kind (int);
932 internal_proto(size_from_complex_kind
);
936 extern void free_ionml (st_parameter_dt
*);
937 internal_proto(free_ionml
);
940 inc_waiting_locked (gfc_unit
*u
)
942 #ifdef HAVE_SYNC_FETCH_AND_ADD
943 (void) __sync_fetch_and_add (&u
->waiting
, 1);
950 predec_waiting_locked (gfc_unit
*u
)
952 #ifdef HAVE_SYNC_FETCH_AND_ADD
953 return __sync_add_and_fetch (&u
->waiting
, -1);
960 dec_waiting_unlocked (gfc_unit
*u
)
962 #ifdef HAVE_SYNC_FETCH_AND_ADD
963 (void) __sync_fetch_and_add (&u
->waiting
, -1);
965 __gthread_mutex_lock (&unit_lock
);
967 __gthread_mutex_unlock (&unit_lock
);
973 memset4 (gfc_char4_t
*p
, gfc_char4_t c
, int k
)
976 for (j
= 0; j
< k
; j
++)