9370b3c0f9
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
882 lines
23 KiB
C++
882 lines
23 KiB
C++
/* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007
|
|
Free Software Foundation, Inc.
|
|
Contributed by Andy Vaught
|
|
|
|
This file is part of the GNU Fortran 95 runtime library (libgfortran).
|
|
|
|
Libgfortran is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
Libgfortran is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Libgfortran; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
/* As a special exception, if you link this library with other files,
|
|
some of which are compiled with GCC, to produce an executable,
|
|
this library does not by itself cause the resulting executable
|
|
to be covered by the GNU General Public License.
|
|
This exception does not however invalidate any other reasons why
|
|
the executable file might be covered by the GNU General Public License. */
|
|
|
|
#ifndef GFOR_IO_H
|
|
#define GFOR_IO_H
|
|
|
|
/* IO library include. */
|
|
|
|
#include "libgfortran.h"
|
|
|
|
#include <setjmp.h>
|
|
#include <gthr.h>
|
|
|
|
/* Basic types used in data transfers. */
|
|
|
|
typedef enum
|
|
{ BT_NULL, BT_INTEGER, BT_LOGICAL, BT_CHARACTER, BT_REAL,
|
|
BT_COMPLEX
|
|
}
|
|
bt;
|
|
|
|
|
|
struct st_parameter_dt;
|
|
|
|
typedef struct stream
|
|
{
|
|
char *(*alloc_w_at) (struct stream *, int *, gfc_offset);
|
|
char *(*alloc_r_at) (struct stream *, int *, gfc_offset);
|
|
try (*sfree) (struct stream *);
|
|
try (*close) (struct stream *);
|
|
try (*seek) (struct stream *, gfc_offset);
|
|
try (*trunc) (struct stream *);
|
|
int (*read) (struct stream *, void *, size_t *);
|
|
int (*write) (struct stream *, const void *, size_t *);
|
|
try (*set) (struct stream *, int, size_t);
|
|
}
|
|
stream;
|
|
|
|
|
|
/* Macros for doing file I/O given a stream. */
|
|
|
|
#define sfree(s) ((s)->sfree)(s)
|
|
#define sclose(s) ((s)->close)(s)
|
|
|
|
#define salloc_r(s, len) ((s)->alloc_r_at)(s, len, -1)
|
|
#define salloc_w(s, len) ((s)->alloc_w_at)(s, len, -1)
|
|
|
|
#define salloc_r_at(s, len, where) ((s)->alloc_r_at)(s, len, where)
|
|
#define salloc_w_at(s, len, where) ((s)->alloc_w_at)(s, len, where)
|
|
|
|
#define sseek(s, pos) ((s)->seek)(s, pos)
|
|
#define struncate(s) ((s)->trunc)(s)
|
|
#define sread(s, buf, nbytes) ((s)->read)(s, buf, nbytes)
|
|
#define swrite(s, buf, nbytes) ((s)->write)(s, buf, nbytes)
|
|
|
|
#define sset(s, c, n) ((s)->set)(s, c, n)
|
|
|
|
/* Macros for testing what kinds of I/O we are doing. */
|
|
|
|
#define is_array_io(dtp) ((dtp)->internal_unit_desc)
|
|
|
|
#define is_internal_unit(dtp) ((dtp)->u.p.unit_is_internal)
|
|
|
|
#define is_stream_io(dtp) ((dtp)->u.p.current_unit->flags.access == ACCESS_STREAM)
|
|
|
|
/* The array_loop_spec contains the variables for the loops over index ranges
|
|
that are encountered. Since the variables can be negative, ssize_t
|
|
is used. */
|
|
|
|
typedef struct array_loop_spec
|
|
{
|
|
/* Index counter for this dimension. */
|
|
ssize_t idx;
|
|
|
|
/* Start for the index counter. */
|
|
ssize_t start;
|
|
|
|
/* End for the index counter. */
|
|
ssize_t end;
|
|
|
|
/* Step for the index counter. */
|
|
ssize_t step;
|
|
}
|
|
array_loop_spec;
|
|
|
|
/* Representation of a namelist object in libgfortran
|
|
|
|
Namelist Records
|
|
&GROUPNAME OBJECT=value[s] [,OBJECT=value[s]].../
|
|
or
|
|
&GROUPNAME OBJECT=value[s] [,OBJECT=value[s]]...&END
|
|
|
|
The object can be a fully qualified, compound name for an intrinsic
|
|
type, derived types or derived type components. So, a substring
|
|
a(:)%b(4)%ch(2:4)(1:7) has to be treated correctly in namelist
|
|
read. Hence full information about the structure of the object has
|
|
to be available to list_read.c and write.
|
|
|
|
These requirements are met by the following data structures.
|
|
|
|
namelist_info type contains all the scalar information about the
|
|
object and arrays of descriptor_dimension and array_loop_spec types for
|
|
arrays. */
|
|
|
|
typedef struct namelist_type
|
|
{
|
|
|
|
/* Object type, stored as GFC_DTYPE_xxxx. */
|
|
bt type;
|
|
|
|
/* Object name. */
|
|
char * var_name;
|
|
|
|
/* Address for the start of the object's data. */
|
|
void * mem_pos;
|
|
|
|
/* Flag to show that a read is to be attempted for this node. */
|
|
int touched;
|
|
|
|
/* Length of intrinsic type in bytes. */
|
|
int len;
|
|
|
|
/* Rank of the object. */
|
|
int var_rank;
|
|
|
|
/* Overall size of the object in bytes. */
|
|
index_type size;
|
|
|
|
/* Length of character string. */
|
|
index_type string_length;
|
|
|
|
descriptor_dimension * dim;
|
|
array_loop_spec * ls;
|
|
struct namelist_type * next;
|
|
}
|
|
namelist_info;
|
|
|
|
/* Options for the OPEN statement. */
|
|
|
|
typedef enum
|
|
{ ACCESS_SEQUENTIAL, ACCESS_DIRECT, ACCESS_APPEND, ACCESS_STREAM,
|
|
ACCESS_UNSPECIFIED
|
|
}
|
|
unit_access;
|
|
|
|
typedef enum
|
|
{ ACTION_READ, ACTION_WRITE, ACTION_READWRITE,
|
|
ACTION_UNSPECIFIED
|
|
}
|
|
unit_action;
|
|
|
|
typedef enum
|
|
{ BLANK_NULL, BLANK_ZERO, BLANK_UNSPECIFIED }
|
|
unit_blank;
|
|
|
|
typedef enum
|
|
{ DELIM_NONE, DELIM_APOSTROPHE, DELIM_QUOTE,
|
|
DELIM_UNSPECIFIED
|
|
}
|
|
unit_delim;
|
|
|
|
typedef enum
|
|
{ FORM_FORMATTED, FORM_UNFORMATTED, FORM_UNSPECIFIED }
|
|
unit_form;
|
|
|
|
typedef enum
|
|
{ POSITION_ASIS, POSITION_REWIND, POSITION_APPEND,
|
|
POSITION_UNSPECIFIED
|
|
}
|
|
unit_position;
|
|
|
|
typedef enum
|
|
{ STATUS_UNKNOWN, STATUS_OLD, STATUS_NEW, STATUS_SCRATCH,
|
|
STATUS_REPLACE, STATUS_UNSPECIFIED
|
|
}
|
|
unit_status;
|
|
|
|
typedef enum
|
|
{ PAD_YES, PAD_NO, PAD_UNSPECIFIED }
|
|
unit_pad;
|
|
|
|
typedef enum
|
|
{ ADVANCE_YES, ADVANCE_NO, ADVANCE_UNSPECIFIED }
|
|
unit_advance;
|
|
|
|
typedef enum
|
|
{READING, WRITING}
|
|
unit_mode;
|
|
|
|
#define CHARACTER1(name) \
|
|
char * name; \
|
|
gfc_charlen_type name ## _len
|
|
#define CHARACTER2(name) \
|
|
gfc_charlen_type name ## _len; \
|
|
char * name
|
|
|
|
typedef struct
|
|
{
|
|
st_parameter_common common;
|
|
GFC_INTEGER_4 recl_in;
|
|
CHARACTER2 (file);
|
|
CHARACTER1 (status);
|
|
CHARACTER2 (access);
|
|
CHARACTER1 (form);
|
|
CHARACTER2 (blank);
|
|
CHARACTER1 (position);
|
|
CHARACTER2 (action);
|
|
CHARACTER1 (delim);
|
|
CHARACTER2 (pad);
|
|
CHARACTER1 (convert);
|
|
}
|
|
st_parameter_open;
|
|
|
|
#define IOPARM_CLOSE_HAS_STATUS (1 << 7)
|
|
|
|
typedef struct
|
|
{
|
|
st_parameter_common common;
|
|
CHARACTER1 (status);
|
|
}
|
|
st_parameter_close;
|
|
|
|
typedef struct
|
|
{
|
|
st_parameter_common common;
|
|
}
|
|
st_parameter_filepos;
|
|
|
|
#define IOPARM_INQUIRE_HAS_EXIST (1 << 7)
|
|
#define IOPARM_INQUIRE_HAS_OPENED (1 << 8)
|
|
#define IOPARM_INQUIRE_HAS_NUMBER (1 << 9)
|
|
#define IOPARM_INQUIRE_HAS_NAMED (1 << 10)
|
|
#define IOPARM_INQUIRE_HAS_NEXTREC (1 << 11)
|
|
#define IOPARM_INQUIRE_HAS_RECL_OUT (1 << 12)
|
|
#define IOPARM_INQUIRE_HAS_STRM_POS_OUT (1 << 13)
|
|
#define IOPARM_INQUIRE_HAS_FILE (1 << 14)
|
|
#define IOPARM_INQUIRE_HAS_ACCESS (1 << 15)
|
|
#define IOPARM_INQUIRE_HAS_FORM (1 << 16)
|
|
#define IOPARM_INQUIRE_HAS_BLANK (1 << 17)
|
|
#define IOPARM_INQUIRE_HAS_POSITION (1 << 18)
|
|
#define IOPARM_INQUIRE_HAS_ACTION (1 << 19)
|
|
#define IOPARM_INQUIRE_HAS_DELIM (1 << 20)
|
|
#define IOPARM_INQUIRE_HAS_PAD (1 << 21)
|
|
#define IOPARM_INQUIRE_HAS_NAME (1 << 22)
|
|
#define IOPARM_INQUIRE_HAS_SEQUENTIAL (1 << 23)
|
|
#define IOPARM_INQUIRE_HAS_DIRECT (1 << 24)
|
|
#define IOPARM_INQUIRE_HAS_FORMATTED (1 << 25)
|
|
#define IOPARM_INQUIRE_HAS_UNFORMATTED (1 << 26)
|
|
#define IOPARM_INQUIRE_HAS_READ (1 << 27)
|
|
#define IOPARM_INQUIRE_HAS_WRITE (1 << 28)
|
|
#define IOPARM_INQUIRE_HAS_READWRITE (1 << 29)
|
|
#define IOPARM_INQUIRE_HAS_CONVERT (1 << 30)
|
|
|
|
typedef struct
|
|
{
|
|
st_parameter_common common;
|
|
GFC_INTEGER_4 *exist, *opened, *number, *named;
|
|
GFC_INTEGER_4 *nextrec, *recl_out;
|
|
GFC_IO_INT *strm_pos_out;
|
|
CHARACTER1 (file);
|
|
CHARACTER2 (access);
|
|
CHARACTER1 (form);
|
|
CHARACTER2 (blank);
|
|
CHARACTER1 (position);
|
|
CHARACTER2 (action);
|
|
CHARACTER1 (delim);
|
|
CHARACTER2 (pad);
|
|
CHARACTER1 (name);
|
|
CHARACTER2 (sequential);
|
|
CHARACTER1 (direct);
|
|
CHARACTER2 (formatted);
|
|
CHARACTER1 (unformatted);
|
|
CHARACTER2 (read);
|
|
CHARACTER1 (write);
|
|
CHARACTER2 (readwrite);
|
|
CHARACTER1 (convert);
|
|
}
|
|
st_parameter_inquire;
|
|
|
|
struct gfc_unit;
|
|
struct format_data;
|
|
|
|
#define IOPARM_DT_LIST_FORMAT (1 << 7)
|
|
#define IOPARM_DT_NAMELIST_READ_MODE (1 << 8)
|
|
#define IOPARM_DT_HAS_REC (1 << 9)
|
|
#define IOPARM_DT_HAS_SIZE (1 << 10)
|
|
#define IOPARM_DT_HAS_IOLENGTH (1 << 11)
|
|
#define IOPARM_DT_HAS_FORMAT (1 << 12)
|
|
#define IOPARM_DT_HAS_ADVANCE (1 << 13)
|
|
#define IOPARM_DT_HAS_INTERNAL_UNIT (1 << 14)
|
|
#define IOPARM_DT_HAS_NAMELIST_NAME (1 << 15)
|
|
/* Internal use bit. */
|
|
#define IOPARM_DT_IONML_SET (1 << 31)
|
|
|
|
typedef struct st_parameter_dt
|
|
{
|
|
st_parameter_common common;
|
|
GFC_IO_INT rec;
|
|
GFC_IO_INT *size, *iolength;
|
|
gfc_array_char *internal_unit_desc;
|
|
CHARACTER1 (format);
|
|
CHARACTER2 (advance);
|
|
CHARACTER1 (internal_unit);
|
|
CHARACTER2 (namelist_name);
|
|
/* Private part of the structure. The compiler just needs
|
|
to reserve enough space. */
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
void (*transfer) (struct st_parameter_dt *, bt, void *, int,
|
|
size_t, size_t);
|
|
struct gfc_unit *current_unit;
|
|
/* Item number in a formatted data transfer. Also used in namelist
|
|
read_logical as an index into line_buffer. */
|
|
int item_count;
|
|
unit_mode mode;
|
|
unit_blank blank_status;
|
|
enum {SIGN_S, SIGN_SS, SIGN_SP} sign_status;
|
|
int scale_factor;
|
|
int max_pos; /* Maximum righthand column written to. */
|
|
/* Number of skips + spaces to be done for T and X-editing. */
|
|
int skips;
|
|
/* Number of spaces to be done for T and X-editing. */
|
|
int pending_spaces;
|
|
/* Whether an EOR condition was encountered. Value is:
|
|
0 if no EOR was encountered
|
|
1 if an EOR was encountered due to a 1-byte marker (LF)
|
|
2 if an EOR was encountered due to a 2-bytes marker (CRLF) */
|
|
int sf_seen_eor;
|
|
unit_advance advance_status;
|
|
|
|
unsigned reversion_flag : 1; /* Format reversion has occurred. */
|
|
unsigned first_item : 1;
|
|
unsigned seen_dollar : 1;
|
|
unsigned eor_condition : 1;
|
|
unsigned no_leading_blank : 1;
|
|
unsigned char_flag : 1;
|
|
unsigned input_complete : 1;
|
|
unsigned at_eol : 1;
|
|
unsigned comma_flag : 1;
|
|
/* A namelist specific flag used in the list directed library
|
|
to flag that calls are being made from namelist read (eg. to
|
|
ignore comments or to treat '/' as a terminator) */
|
|
unsigned namelist_mode : 1;
|
|
/* A namelist specific flag used in the list directed library
|
|
to flag read errors and return, so that an attempt can be
|
|
made to read a new object name. */
|
|
unsigned nml_read_error : 1;
|
|
/* A sequential formatted read specific flag used to signal that a
|
|
character string is being read so don't use commas to shorten a
|
|
formatted field width. */
|
|
unsigned sf_read_comma : 1;
|
|
/* A namelist specific flag used to enable reading input from
|
|
line_buffer for logical reads. */
|
|
unsigned line_buffer_enabled : 1;
|
|
/* An internal unit specific flag used to identify that the associated
|
|
unit is internal. */
|
|
unsigned unit_is_internal : 1;
|
|
/* An internal unit specific flag to signify an EOF condition for list
|
|
directed read. */
|
|
unsigned at_eof : 1;
|
|
/* 16 unused bits. */
|
|
|
|
char last_char;
|
|
char nml_delim;
|
|
|
|
int repeat_count;
|
|
int saved_length;
|
|
int saved_used;
|
|
bt saved_type;
|
|
char *saved_string;
|
|
char *scratch;
|
|
char *line_buffer;
|
|
struct format_data *fmt;
|
|
jmp_buf *eof_jump;
|
|
namelist_info *ionml;
|
|
/* A flag used to identify when a non-standard expanded namelist read
|
|
has occurred. */
|
|
int expanded_read;
|
|
/* Storage area for values except for strings. Must be large
|
|
enough to hold a complex value (two reals) of the largest
|
|
kind. */
|
|
char value[32];
|
|
gfc_offset size_used;
|
|
} p;
|
|
/* This pad size must be equal to the pad_size declared in
|
|
trans-io.c (gfc_build_io_library_fndecls). The above structure
|
|
must be smaller or equal to this array. */
|
|
char pad[16 * sizeof (char *) + 32 * sizeof (int)];
|
|
} u;
|
|
}
|
|
st_parameter_dt;
|
|
|
|
/* Ensure st_parameter_dt's u.pad is bigger or equal to u.p. */
|
|
extern char check_st_parameter_dt[sizeof (((st_parameter_dt *) 0)->u.pad)
|
|
>= sizeof (((st_parameter_dt *) 0)->u.p)
|
|
? 1 : -1];
|
|
|
|
#undef CHARACTER1
|
|
#undef CHARACTER2
|
|
|
|
typedef struct
|
|
{
|
|
unit_access access;
|
|
unit_action action;
|
|
unit_blank blank;
|
|
unit_delim delim;
|
|
unit_form form;
|
|
int is_notpadded;
|
|
unit_position position;
|
|
unit_status status;
|
|
unit_pad pad;
|
|
unit_convert convert;
|
|
int has_recl;
|
|
}
|
|
unit_flags;
|
|
|
|
|
|
typedef struct gfc_unit
|
|
{
|
|
int unit_number;
|
|
stream *s;
|
|
|
|
/* Treap links. */
|
|
struct gfc_unit *left, *right;
|
|
int priority;
|
|
|
|
int read_bad, current_record, saved_pos, previous_nonadvancing_write;
|
|
|
|
enum
|
|
{ NO_ENDFILE, AT_ENDFILE, AFTER_ENDFILE }
|
|
endfile;
|
|
|
|
unit_mode mode;
|
|
unit_flags flags;
|
|
|
|
/* recl -- Record length of the file.
|
|
last_record -- Last record number read or written
|
|
maxrec -- Maximum record number in a direct access file
|
|
bytes_left -- Bytes left in current record.
|
|
strm_pos -- Current position in file for STREAM I/O.
|
|
recl_subrecord -- Maximum length for subrecord.
|
|
bytes_left_subrecord -- Bytes left in current subrecord. */
|
|
gfc_offset recl, last_record, maxrec, bytes_left, strm_pos,
|
|
recl_subrecord, bytes_left_subrecord;
|
|
|
|
/* Set to 1 if we have read a subrecord. */
|
|
|
|
int continued;
|
|
|
|
__gthread_mutex_t lock;
|
|
/* Number of threads waiting to acquire this unit's lock.
|
|
When non-zero, close_unit doesn't only removes the unit
|
|
from the UNIT_ROOT tree, but doesn't free it and the
|
|
last of the waiting threads will do that.
|
|
This must be either atomically increased/decreased, or
|
|
always guarded by UNIT_LOCK. */
|
|
int waiting;
|
|
/* Flag set by close_unit if the unit as been closed.
|
|
Must be manipulated under unit's lock. */
|
|
int closed;
|
|
|
|
/* For traversing arrays */
|
|
array_loop_spec *ls;
|
|
int rank;
|
|
|
|
int file_len;
|
|
char *file;
|
|
}
|
|
gfc_unit;
|
|
|
|
/* Format tokens. Only about half of these can be stored in the
|
|
format nodes. */
|
|
|
|
typedef enum
|
|
{
|
|
FMT_NONE = 0, FMT_UNKNOWN, FMT_SIGNED_INT, FMT_ZERO, FMT_POSINT, FMT_PERIOD,
|
|
FMT_COMMA, FMT_COLON, FMT_SLASH, FMT_DOLLAR, FMT_T, FMT_TR, FMT_TL,
|
|
FMT_LPAREN, FMT_RPAREN, FMT_X, FMT_S, FMT_SS, FMT_SP, FMT_STRING,
|
|
FMT_BADSTRING, FMT_P, FMT_I, FMT_B, FMT_BN, FMT_BZ, FMT_O, FMT_Z, FMT_F,
|
|
FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END
|
|
}
|
|
format_token;
|
|
|
|
|
|
/* Format nodes. A format string is converted into a tree of these
|
|
structures, which is traversed as part of a data transfer statement. */
|
|
|
|
typedef struct fnode
|
|
{
|
|
format_token format;
|
|
int repeat;
|
|
struct fnode *next;
|
|
char *source;
|
|
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
int w, d, e;
|
|
}
|
|
real;
|
|
|
|
struct
|
|
{
|
|
int length;
|
|
char *p;
|
|
}
|
|
string;
|
|
|
|
struct
|
|
{
|
|
int w, m;
|
|
}
|
|
integer;
|
|
|
|
int w;
|
|
int k;
|
|
int r;
|
|
int n;
|
|
|
|
struct fnode *child;
|
|
}
|
|
u;
|
|
|
|
/* Members for traversing the tree during data transfer. */
|
|
|
|
int count;
|
|
struct fnode *current;
|
|
|
|
}
|
|
fnode;
|
|
|
|
|
|
/* unix.c */
|
|
|
|
extern int move_pos_offset (stream *, int);
|
|
internal_proto(move_pos_offset);
|
|
|
|
extern int compare_files (stream *, stream *);
|
|
internal_proto(compare_files);
|
|
|
|
extern stream *open_external (st_parameter_open *, unit_flags *);
|
|
internal_proto(open_external);
|
|
|
|
extern stream *open_internal (char *, int, gfc_offset);
|
|
internal_proto(open_internal);
|
|
|
|
extern stream *input_stream (void);
|
|
internal_proto(input_stream);
|
|
|
|
extern stream *output_stream (void);
|
|
internal_proto(output_stream);
|
|
|
|
extern stream *error_stream (void);
|
|
internal_proto(error_stream);
|
|
|
|
extern int compare_file_filename (gfc_unit *, const char *, int);
|
|
internal_proto(compare_file_filename);
|
|
|
|
extern gfc_unit *find_file (const char *file, gfc_charlen_type file_len);
|
|
internal_proto(find_file);
|
|
|
|
extern int stream_at_bof (stream *);
|
|
internal_proto(stream_at_bof);
|
|
|
|
extern int stream_at_eof (stream *);
|
|
internal_proto(stream_at_eof);
|
|
|
|
extern int delete_file (gfc_unit *);
|
|
internal_proto(delete_file);
|
|
|
|
extern int file_exists (const char *file, gfc_charlen_type file_len);
|
|
internal_proto(file_exists);
|
|
|
|
extern const char *inquire_sequential (const char *, int);
|
|
internal_proto(inquire_sequential);
|
|
|
|
extern const char *inquire_direct (const char *, int);
|
|
internal_proto(inquire_direct);
|
|
|
|
extern const char *inquire_formatted (const char *, int);
|
|
internal_proto(inquire_formatted);
|
|
|
|
extern const char *inquire_unformatted (const char *, int);
|
|
internal_proto(inquire_unformatted);
|
|
|
|
extern const char *inquire_read (const char *, int);
|
|
internal_proto(inquire_read);
|
|
|
|
extern const char *inquire_write (const char *, int);
|
|
internal_proto(inquire_write);
|
|
|
|
extern const char *inquire_readwrite (const char *, int);
|
|
internal_proto(inquire_readwrite);
|
|
|
|
extern gfc_offset file_length (stream *);
|
|
internal_proto(file_length);
|
|
|
|
extern gfc_offset file_position (stream *);
|
|
internal_proto(file_position);
|
|
|
|
extern int is_seekable (stream *);
|
|
internal_proto(is_seekable);
|
|
|
|
extern int is_special (stream *);
|
|
internal_proto(is_special);
|
|
|
|
extern int is_preconnected (stream *);
|
|
internal_proto(is_preconnected);
|
|
|
|
extern void flush_if_preconnected (stream *);
|
|
internal_proto(flush_if_preconnected);
|
|
|
|
extern void empty_internal_buffer(stream *);
|
|
internal_proto(empty_internal_buffer);
|
|
|
|
extern try flush (stream *);
|
|
internal_proto(flush);
|
|
|
|
extern int stream_isatty (stream *);
|
|
internal_proto(stream_isatty);
|
|
|
|
extern char * stream_ttyname (stream *);
|
|
internal_proto(stream_ttyname);
|
|
|
|
extern gfc_offset stream_offset (stream *s);
|
|
internal_proto(stream_offset);
|
|
|
|
extern int unpack_filename (char *, const char *, int);
|
|
internal_proto(unpack_filename);
|
|
|
|
/* unit.c */
|
|
|
|
/* Maximum file offset, computed at library initialization time. */
|
|
extern gfc_offset max_offset;
|
|
internal_proto(max_offset);
|
|
|
|
/* Unit tree root. */
|
|
extern gfc_unit *unit_root;
|
|
internal_proto(unit_root);
|
|
|
|
extern __gthread_mutex_t unit_lock;
|
|
internal_proto(unit_lock);
|
|
|
|
extern int close_unit (gfc_unit *);
|
|
internal_proto(close_unit);
|
|
|
|
extern gfc_unit *get_internal_unit (st_parameter_dt *);
|
|
internal_proto(get_internal_unit);
|
|
|
|
extern void free_internal_unit (st_parameter_dt *);
|
|
internal_proto(free_internal_unit);
|
|
|
|
extern gfc_unit *find_unit (int);
|
|
internal_proto(find_unit);
|
|
|
|
extern gfc_unit *find_or_create_unit (int);
|
|
internal_proto(find_or_create_unit);
|
|
|
|
extern gfc_unit *get_unit (st_parameter_dt *, int);
|
|
internal_proto(get_unit);
|
|
|
|
extern void unlock_unit (gfc_unit *);
|
|
internal_proto(unlock_unit);
|
|
|
|
extern void update_position (gfc_unit *);
|
|
internal_proto(update_position);
|
|
|
|
extern void finish_last_advance_record (gfc_unit *u);
|
|
internal_proto (finish_last_advance_record);
|
|
|
|
/* open.c */
|
|
|
|
extern gfc_unit *new_unit (st_parameter_open *, gfc_unit *, unit_flags *);
|
|
internal_proto(new_unit);
|
|
|
|
/* format.c */
|
|
|
|
extern void parse_format (st_parameter_dt *);
|
|
internal_proto(parse_format);
|
|
|
|
extern const fnode *next_format (st_parameter_dt *);
|
|
internal_proto(next_format);
|
|
|
|
extern void unget_format (st_parameter_dt *, const fnode *);
|
|
internal_proto(unget_format);
|
|
|
|
extern void format_error (st_parameter_dt *, const fnode *, const char *);
|
|
internal_proto(format_error);
|
|
|
|
extern void free_format_data (st_parameter_dt *);
|
|
internal_proto(free_format_data);
|
|
|
|
/* transfer.c */
|
|
|
|
#define SCRATCH_SIZE 300
|
|
|
|
extern const char *type_name (bt);
|
|
internal_proto(type_name);
|
|
|
|
extern void *read_block (st_parameter_dt *, int *);
|
|
internal_proto(read_block);
|
|
|
|
extern char *read_sf (st_parameter_dt *, int *, int);
|
|
internal_proto(read_sf);
|
|
|
|
extern void *write_block (st_parameter_dt *, int);
|
|
internal_proto(write_block);
|
|
|
|
extern gfc_offset next_array_record (st_parameter_dt *, array_loop_spec *,
|
|
int*);
|
|
internal_proto(next_array_record);
|
|
|
|
extern gfc_offset init_loop_spec (gfc_array_char *, array_loop_spec *,
|
|
gfc_offset *);
|
|
internal_proto(init_loop_spec);
|
|
|
|
extern void next_record (st_parameter_dt *, int);
|
|
internal_proto(next_record);
|
|
|
|
extern void reverse_memcpy (void *, const void *, size_t);
|
|
internal_proto (reverse_memcpy);
|
|
|
|
/* read.c */
|
|
|
|
extern void set_integer (void *, GFC_INTEGER_LARGEST, int);
|
|
internal_proto(set_integer);
|
|
|
|
extern GFC_UINTEGER_LARGEST max_value (int, int);
|
|
internal_proto(max_value);
|
|
|
|
extern int convert_real (st_parameter_dt *, void *, const char *, int);
|
|
internal_proto(convert_real);
|
|
|
|
extern void read_a (st_parameter_dt *, const fnode *, char *, int);
|
|
internal_proto(read_a);
|
|
|
|
extern void read_f (st_parameter_dt *, const fnode *, char *, int);
|
|
internal_proto(read_f);
|
|
|
|
extern void read_l (st_parameter_dt *, const fnode *, char *, int);
|
|
internal_proto(read_l);
|
|
|
|
extern void read_x (st_parameter_dt *, int);
|
|
internal_proto(read_x);
|
|
|
|
extern void read_radix (st_parameter_dt *, const fnode *, char *, int, int);
|
|
internal_proto(read_radix);
|
|
|
|
extern void read_decimal (st_parameter_dt *, const fnode *, char *, int);
|
|
internal_proto(read_decimal);
|
|
|
|
/* list_read.c */
|
|
|
|
extern void list_formatted_read (st_parameter_dt *, bt, void *, int, size_t,
|
|
size_t);
|
|
internal_proto(list_formatted_read);
|
|
|
|
extern void finish_list_read (st_parameter_dt *);
|
|
internal_proto(finish_list_read);
|
|
|
|
extern void namelist_read (st_parameter_dt *);
|
|
internal_proto(namelist_read);
|
|
|
|
extern void namelist_write (st_parameter_dt *);
|
|
internal_proto(namelist_write);
|
|
|
|
/* write.c */
|
|
|
|
extern void write_a (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_a);
|
|
|
|
extern void write_b (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_b);
|
|
|
|
extern void write_d (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_d);
|
|
|
|
extern void write_e (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_e);
|
|
|
|
extern void write_en (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_en);
|
|
|
|
extern void write_es (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_es);
|
|
|
|
extern void write_f (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_f);
|
|
|
|
extern void write_i (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_i);
|
|
|
|
extern void write_l (st_parameter_dt *, const fnode *, char *, int);
|
|
internal_proto(write_l);
|
|
|
|
extern void write_o (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_o);
|
|
|
|
extern void write_x (st_parameter_dt *, int, int);
|
|
internal_proto(write_x);
|
|
|
|
extern void write_z (st_parameter_dt *, const fnode *, const char *, int);
|
|
internal_proto(write_z);
|
|
|
|
extern void list_formatted_write (st_parameter_dt *, bt, void *, int, size_t,
|
|
size_t);
|
|
internal_proto(list_formatted_write);
|
|
|
|
/* size_from_kind.c */
|
|
extern size_t size_from_real_kind (int);
|
|
internal_proto(size_from_real_kind);
|
|
|
|
extern size_t size_from_complex_kind (int);
|
|
internal_proto(size_from_complex_kind);
|
|
|
|
/* lock.c */
|
|
extern void free_ionml (st_parameter_dt *);
|
|
internal_proto(free_ionml);
|
|
|
|
static inline void
|
|
inc_waiting_locked (gfc_unit *u)
|
|
{
|
|
#ifdef HAVE_SYNC_FETCH_AND_ADD
|
|
(void) __sync_fetch_and_add (&u->waiting, 1);
|
|
#else
|
|
u->waiting++;
|
|
#endif
|
|
}
|
|
|
|
static inline int
|
|
predec_waiting_locked (gfc_unit *u)
|
|
{
|
|
#ifdef HAVE_SYNC_FETCH_AND_ADD
|
|
return __sync_add_and_fetch (&u->waiting, -1);
|
|
#else
|
|
return --u->waiting;
|
|
#endif
|
|
}
|
|
|
|
static inline void
|
|
dec_waiting_unlocked (gfc_unit *u)
|
|
{
|
|
#ifdef HAVE_SYNC_FETCH_AND_ADD
|
|
(void) __sync_fetch_and_add (&u->waiting, -1);
|
|
#else
|
|
__gthread_mutex_lock (&unit_lock);
|
|
u->waiting--;
|
|
__gthread_mutex_unlock (&unit_lock);
|
|
#endif
|
|
}
|
|
|
|
#endif
|
|
|