2004-05-13 08:41:07 +02:00
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/* Copyright (C) 2002-2003 Free Software Foundation, Inc.
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Contributed by Andy Vaught
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Libgfortran; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Implement the non-IOLENGTH variant of the INQUIRY statement */
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#include "config.h"
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#include "libgfortran.h"
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#include "io.h"
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static char undefined[] = "UNDEFINED";
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/* inquire_via_unit()-- Inquiry via unit number. The unit might not exist. */
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static void
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re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
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
2004-05-15 22:44:38 +02:00
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inquire_via_unit (gfc_unit * u)
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2004-05-13 08:41:07 +02:00
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{
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const char *p;
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if (ioparm.exist != NULL)
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*ioparm.exist = (u != NULL);
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if (ioparm.opened != NULL)
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*ioparm.opened = (u != NULL);
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if (ioparm.number != NULL)
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*ioparm.number = (u != NULL) ? u->unit_number : -1;
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if (ioparm.named != NULL)
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*ioparm.named = (u != NULL && u->flags.status != STATUS_SCRATCH);
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if (ioparm.name != NULL && u != NULL && u->flags.status != STATUS_SCRATCH)
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fstrcpy (ioparm.name, ioparm.name_len, u->file, u->file_len);
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if (ioparm.access != NULL)
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{
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if (u == NULL)
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p = undefined;
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else
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switch (u->flags.access)
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{
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case ACCESS_SEQUENTIAL:
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p = "SEQUENTIAL";
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break;
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case ACCESS_DIRECT:
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p = "DIRECT";
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break;
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default:
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internal_error ("inquire_via_unit(): Bad access");
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}
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cf_strcpy (ioparm.access, ioparm.access_len, p);
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}
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if (ioparm.sequential != NULL)
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{
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p = (u == NULL) ? inquire_sequential (NULL, 0) :
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inquire_sequential (u->file, u->file_len);
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cf_strcpy (ioparm.sequential, ioparm.sequential_len, p);
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}
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if (ioparm.direct != NULL)
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{
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p = (u == NULL) ? inquire_direct (NULL, 0) :
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inquire_direct (u->file, u->file_len);
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cf_strcpy (ioparm.direct, ioparm.direct_len, p);
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}
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if (ioparm.form != NULL)
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{
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if (u == NULL)
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p = undefined;
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else
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switch (u->flags.form)
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{
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case FORM_FORMATTED:
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p = "FORMATTED";
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break;
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case FORM_UNFORMATTED:
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p = "UNFORMATTED";
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break;
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default:
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internal_error ("inquire_via_unit(): Bad form");
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}
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cf_strcpy (ioparm.form, ioparm.form_len, p);
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}
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if (ioparm.formatted != NULL)
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{
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p = (u == NULL) ? inquire_formatted (NULL, 0) :
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inquire_formatted (u->file, u->file_len);
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cf_strcpy (ioparm.formatted, ioparm.formatted_len, p);
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}
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if (ioparm.unformatted != NULL)
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{
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p = (u == NULL) ? inquire_unformatted (NULL, 0) :
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inquire_unformatted (u->file, u->file_len);
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cf_strcpy (ioparm.unformatted, ioparm.unformatted_len, p);
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}
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if (ioparm.recl_out != NULL)
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*ioparm.recl_out = (u != NULL) ? u->recl : 0;
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if (ioparm.nextrec != NULL)
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*ioparm.nextrec = (u != NULL) ? u->last_record + 1 : 0;
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if (ioparm.blank != NULL)
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{
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if (u == NULL)
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p = undefined;
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else
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switch (u->flags.blank)
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{
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case BLANK_NULL:
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p = "NULL";
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break;
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case BLANK_ZERO:
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p = "ZERO";
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break;
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default:
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internal_error ("inquire_via_unit(): Bad blank");
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}
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cf_strcpy (ioparm.blank, ioparm.blank_len, p);
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}
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if (ioparm.position != NULL)
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{
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if (u == NULL || u->flags.access == ACCESS_DIRECT)
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p = undefined;
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else
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{
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p = NULL; /* TODO: Try to decode what the standard says... */
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}
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cf_strcpy (ioparm.blank, ioparm.blank_len, p);
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}
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if (ioparm.action != NULL)
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{
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if (u == NULL)
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p = undefined;
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else
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switch (u->flags.action)
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{
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case ACTION_READ:
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p = "READ";
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break;
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case ACTION_WRITE:
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p = "WRITE";
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break;
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case ACTION_READWRITE:
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p = "READWRITE";
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break;
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default:
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internal_error ("inquire_via_unit(): Bad action");
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}
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cf_strcpy (ioparm.action, ioparm.action_len, p);
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}
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if (ioparm.read != NULL)
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{
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p = (u == NULL) ? inquire_read (NULL, 0) :
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inquire_read (u->file, u->file_len);
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cf_strcpy (ioparm.read, ioparm.read_len, p);
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}
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if (ioparm.write != NULL)
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{
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p = (u == NULL) ? inquire_write (NULL, 0) :
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inquire_write (u->file, u->file_len);
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cf_strcpy (ioparm.write, ioparm.write_len, p);
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}
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if (ioparm.readwrite != NULL)
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{
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p = (u == NULL) ? inquire_readwrite (NULL, 0) :
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inquire_readwrite (u->file, u->file_len);
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cf_strcpy (ioparm.readwrite, ioparm.readwrite_len, p);
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}
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if (ioparm.delim != NULL)
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{
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if (u == NULL || u->flags.form != FORM_FORMATTED)
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p = undefined;
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else
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switch (u->flags.delim)
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{
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case DELIM_NONE:
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p = "NONE";
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break;
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case DELIM_QUOTE:
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p = "QUOTE";
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break;
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case DELIM_APOSTROPHE:
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p = "APOSTROPHE";
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break;
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default:
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internal_error ("inquire_via_unit(): Bad delim");
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}
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cf_strcpy (ioparm.access, ioparm.access_len, p);
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}
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if (ioparm.pad != NULL)
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{
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if (u == NULL || u->flags.form != FORM_FORMATTED)
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p = undefined;
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else
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switch (u->flags.pad)
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{
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case PAD_NO:
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p = "NO";
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break;
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case PAD_YES:
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p = "YES";
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break;
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default:
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internal_error ("inquire_via_unit(): Bad pad");
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}
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cf_strcpy (ioparm.pad, ioparm.pad_len, p);
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}
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}
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/* inquire_via_filename()-- Inquiry via filename. This subroutine is
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* only used if the filename is *not* connected to a unit number. */
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static void
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inquire_via_filename (void)
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{
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const char *p;
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if (ioparm.exist != NULL)
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*ioparm.exist = file_exists ();
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if (ioparm.opened != NULL)
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*ioparm.opened = 0;
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if (ioparm.number != NULL)
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*ioparm.number = -1;
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if (ioparm.named != NULL)
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*ioparm.named = 1;
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if (ioparm.name != NULL)
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fstrcpy (ioparm.name, ioparm.name_len, ioparm.file, ioparm.file_len);
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if (ioparm.access != NULL)
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cf_strcpy (ioparm.access, ioparm.access_len, undefined);
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if (ioparm.sequential != NULL)
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{
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p = inquire_sequential (ioparm.file, ioparm.file_len);
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cf_strcpy (ioparm.sequential, ioparm.sequential_len, p);
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}
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if (ioparm.direct != NULL)
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{
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p = inquire_direct (ioparm.file, ioparm.file_len);
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cf_strcpy (ioparm.direct, ioparm.direct_len, p);
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}
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if (ioparm.form != NULL)
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cf_strcpy (ioparm.form, ioparm.form_len, undefined);
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if (ioparm.formatted != NULL)
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{
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p = inquire_formatted (ioparm.file, ioparm.file_len);
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cf_strcpy (ioparm.formatted, ioparm.formatted_len, p);
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}
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if (ioparm.unformatted != NULL)
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{
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p = inquire_unformatted (ioparm.file, ioparm.file_len);
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cf_strcpy (ioparm.unformatted, ioparm.unformatted_len, p);
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}
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if (ioparm.recl_out != NULL)
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*ioparm.recl_out = 0;
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if (ioparm.nextrec != NULL)
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*ioparm.nextrec = 0;
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if (ioparm.blank != NULL)
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cf_strcpy (ioparm.blank, ioparm.blank_len, undefined);
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if (ioparm.position != NULL)
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cf_strcpy (ioparm.position, ioparm.position_len, undefined);
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if (ioparm.access != NULL)
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cf_strcpy (ioparm.access, ioparm.access_len, undefined);
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if (ioparm.read != NULL)
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{
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p = inquire_read (ioparm.file, ioparm.file_len);
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cf_strcpy (ioparm.read, ioparm.read_len, p);
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}
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if (ioparm.write != NULL)
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{
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p = inquire_write (ioparm.file, ioparm.file_len);
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cf_strcpy (ioparm.write, ioparm.write_len, p);
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}
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if (ioparm.readwrite != NULL)
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{
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p = inquire_read (ioparm.file, ioparm.file_len);
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cf_strcpy (ioparm.readwrite, ioparm.readwrite_len, p);
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}
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if (ioparm.delim != NULL)
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cf_strcpy (ioparm.delim, ioparm.delim_len, undefined);
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if (ioparm.pad != NULL)
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cf_strcpy (ioparm.pad, ioparm.pad_len, undefined);
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}
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2004-06-22 02:43:55 +02:00
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/* Library entry point for the INQUIRE statement (non-IOLENGTH
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form). */
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2004-05-13 08:41:07 +02:00
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void
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st_inquire (void)
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{
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re PR libfortran/15234 (libgfortran doesn't compile on Tru64 UNIX V4.0F)
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
2004-05-15 22:44:38 +02:00
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|
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gfc_unit *u;
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2004-05-13 08:41:07 +02:00
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library_start ();
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if (ioparm.file == NULL)
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inquire_via_unit (find_unit (ioparm.unit));
|
|
|
|
else
|
|
|
|
{
|
|
|
|
u = find_file ();
|
|
|
|
if (u == NULL)
|
|
|
|
inquire_via_filename ();
|
|
|
|
else
|
|
|
|
inquire_via_unit (u);
|
|
|
|
}
|
|
|
|
|
|
|
|
library_end ();
|
|
|
|
}
|