-/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2013 Free Software Foundation, Inc.
Contributed by Andy Vaught
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
+This file is part of the GNU Fortran 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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
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. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
/* Implement the non-IOLENGTH variant of the INQUIRY statement */
#include "io.h"
+#include "unix.h"
+#include <string.h>
static const char undefined[] = "UNDEFINED";
if ((cf & IOPARM_INQUIRE_HAS_NAME) != 0
&& u != NULL && u->flags.status != STATUS_SCRATCH)
+ {
+#if defined(HAVE_TTYNAME_R) || defined(HAVE_TTYNAME)
+ if (u->unit_number == options.stdin_unit
+ || u->unit_number == options.stdout_unit
+ || u->unit_number == options.stderr_unit)
+ {
+ int err = stream_ttyname (u->s, iqp->name, iqp->name_len);
+ if (err == 0)
+ {
+ gfc_charlen_type tmplen = strlen (iqp->name);
+ if (iqp->name_len > tmplen)
+ memset (&iqp->name[tmplen], ' ', iqp->name_len - tmplen);
+ }
+ else /* If ttyname does not work, go with the default. */
+ fstrcpy (iqp->name, iqp->name_len, u->file, u->file_len);
+ }
+ else
+ fstrcpy (iqp->name, iqp->name_len, u->file, u->file_len);
+#elif defined __MINGW32__
+ if (u->unit_number == options.stdin_unit)
+ fstrcpy (iqp->name, iqp->name_len, "CONIN$", sizeof("CONIN$"));
+ else if (u->unit_number == options.stdout_unit)
+ fstrcpy (iqp->name, iqp->name_len, "CONOUT$", sizeof("CONOUT$"));
+ else if (u->unit_number == options.stderr_unit)
+ fstrcpy (iqp->name, iqp->name_len, "CONERR$", sizeof("CONERR$"));
+ else
+ fstrcpy (iqp->name, iqp->name_len, u->file, u->file_len);
+#else
fstrcpy (iqp->name, iqp->name_len, u->file, u->file_len);
+#endif
+ }
if ((cf & IOPARM_INQUIRE_HAS_ACCESS) != 0)
{
if (u == NULL)
p = inquire_sequential (NULL, 0);
else
- {
- /* disallow an open direct access file to be accessed sequentially */
- if (u->flags.access == ACCESS_DIRECT)
- p = "NO";
- else
- p = inquire_sequential (u->file, u->file_len);
- }
+ switch (u->flags.access)
+ {
+ case ACCESS_DIRECT:
+ case ACCESS_STREAM:
+ p = "NO";
+ break;
+ case ACCESS_SEQUENTIAL:
+ p = "YES";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad access");
+ }
cf_strcpy (iqp->sequential, iqp->sequential_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_DIRECT) != 0)
{
- p = (u == NULL) ? inquire_direct (NULL, 0) :
- inquire_direct (u->file, u->file_len);
+ if (u == NULL)
+ p = inquire_direct (NULL, 0);
+ else
+ switch (u->flags.access)
+ {
+ case ACCESS_SEQUENTIAL:
+ case ACCESS_STREAM:
+ p = "NO";
+ break;
+ case ACCESS_DIRECT:
+ p = "YES";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad access");
+ }
cf_strcpy (iqp->direct, iqp->direct_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_FORMATTED) != 0)
{
- p = (u == NULL) ? inquire_formatted (NULL, 0) :
- inquire_formatted (u->file, u->file_len);
+ if (u == NULL)
+ p = inquire_formatted (NULL, 0);
+ else
+ switch (u->flags.form)
+ {
+ case FORM_FORMATTED:
+ p = "YES";
+ break;
+ case FORM_UNFORMATTED:
+ p = "NO";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad form");
+ }
cf_strcpy (iqp->formatted, iqp->formatted_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_UNFORMATTED) != 0)
{
- p = (u == NULL) ? inquire_unformatted (NULL, 0) :
- inquire_unformatted (u->file, u->file_len);
+ if (u == NULL)
+ p = inquire_unformatted (NULL, 0);
+ else
+ switch (u->flags.form)
+ {
+ case FORM_FORMATTED:
+ p = "NO";
+ break;
+ case FORM_UNFORMATTED:
+ p = "YES";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad form");
+ }
cf_strcpy (iqp->unformatted, iqp->unformatted_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_BLANK) != 0)
{
- if (u == NULL)
+ if (u == NULL || u->flags.form != FORM_FORMATTED)
p = undefined;
else
switch (u->flags.blank)
cf_strcpy (iqp->blank, iqp->blank_len, p);
}
+ if ((cf & IOPARM_INQUIRE_HAS_PAD) != 0)
+ {
+ if (u == NULL || u->flags.form != FORM_FORMATTED)
+ p = undefined;
+ else
+ switch (u->flags.pad)
+ {
+ case PAD_YES:
+ p = "YES";
+ break;
+ case PAD_NO:
+ p = "NO";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad pad");
+ }
+
+ cf_strcpy (iqp->pad, iqp->pad_len, p);
+ }
+
+ if (cf & IOPARM_INQUIRE_HAS_FLAGS2)
+ {
+ GFC_INTEGER_4 cf2 = iqp->flags2;
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_PENDING) != 0)
+ *iqp->pending = 0;
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_ID) != 0)
+ *iqp->id = 0;
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_ENCODING) != 0)
+ {
+ if (u == NULL || u->flags.form != FORM_FORMATTED)
+ p = undefined;
+ else
+ switch (u->flags.encoding)
+ {
+ case ENCODING_DEFAULT:
+ p = "UNKNOWN";
+ break;
+ case ENCODING_UTF8:
+ p = "UTF-8";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad encoding");
+ }
+
+ cf_strcpy (iqp->encoding, iqp->encoding_len, p);
+ }
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_DECIMAL) != 0)
+ {
+ if (u == NULL || u->flags.form != FORM_FORMATTED)
+ p = undefined;
+ else
+ switch (u->flags.decimal)
+ {
+ case DECIMAL_POINT:
+ p = "POINT";
+ break;
+ case DECIMAL_COMMA:
+ p = "COMMA";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad comma");
+ }
+
+ cf_strcpy (iqp->decimal, iqp->decimal_len, p);
+ }
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_ASYNCHRONOUS) != 0)
+ {
+ if (u == NULL)
+ p = undefined;
+ else
+ switch (u->flags.async)
+ {
+ case ASYNC_YES:
+ p = "YES";
+ break;
+ case ASYNC_NO:
+ p = "NO";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad async");
+ }
+
+ cf_strcpy (iqp->asynchronous, iqp->asynchronous_len, p);
+ }
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_SIGN) != 0)
+ {
+ if (u == NULL)
+ p = undefined;
+ else
+ switch (u->flags.sign)
+ {
+ case SIGN_PROCDEFINED:
+ p = "PROCESSOR_DEFINED";
+ break;
+ case SIGN_SUPPRESS:
+ p = "SUPPRESS";
+ break;
+ case SIGN_PLUS:
+ p = "PLUS";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad sign");
+ }
+
+ cf_strcpy (iqp->sign, iqp->sign_len, p);
+ }
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_ROUND) != 0)
+ {
+ if (u == NULL)
+ p = undefined;
+ else
+ switch (u->flags.round)
+ {
+ case ROUND_UP:
+ p = "UP";
+ break;
+ case ROUND_DOWN:
+ p = "DOWN";
+ break;
+ case ROUND_ZERO:
+ p = "ZERO";
+ break;
+ case ROUND_NEAREST:
+ p = "NEAREST";
+ break;
+ case ROUND_COMPATIBLE:
+ p = "COMPATIBLE";
+ break;
+ case ROUND_PROCDEFINED:
+ p = "PROCESSOR_DEFINED";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad round");
+ }
+
+ cf_strcpy (iqp->round, iqp->round_len, p);
+ }
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_SIZE) != 0)
+ {
+ if (u == NULL)
+ *iqp->size = -1;
+ else
+ {
+ sflush (u->s);
+ *iqp->size = ssize (u->s);
+ }
+ }
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_IQSTREAM) != 0)
+ {
+ if (u == NULL)
+ p = "UNKNOWN";
+ else
+ switch (u->flags.access)
+ {
+ case ACCESS_SEQUENTIAL:
+ case ACCESS_DIRECT:
+ p = "NO";
+ break;
+ case ACCESS_STREAM:
+ p = "YES";
+ break;
+ default:
+ internal_error (&iqp->common, "inquire_via_unit(): Bad pad");
+ }
+
+ cf_strcpy (iqp->iqstream, iqp->iqstream_len, p);
+ }
+ }
+
if ((cf & IOPARM_INQUIRE_HAS_POSITION) != 0)
{
if (u == NULL || u->flags.access == ACCESS_DIRECT)
p = undefined;
else
- switch (u->flags.position)
- {
- case POSITION_REWIND:
- p = "REWIND";
- break;
- case POSITION_APPEND:
- p = "APPEND";
- break;
- case POSITION_ASIS:
- p = "ASIS";
- break;
- default:
- /* if not direct access, it must be
- either REWIND, APPEND, or ASIS.
- ASIS seems to be the best default */
- p = "ASIS";
- break;
- }
+ {
+ /* If the position is unspecified, check if we can figure
+ out whether it's at the beginning or end. */
+ if (u->flags.position == POSITION_UNSPECIFIED)
+ {
+ gfc_offset cur = stell (u->s);
+ if (cur == 0)
+ u->flags.position = POSITION_REWIND;
+ else if (cur != -1 && (ssize (u->s) == cur))
+ u->flags.position = POSITION_APPEND;
+ }
+ switch (u->flags.position)
+ {
+ case POSITION_REWIND:
+ p = "REWIND";
+ break;
+ case POSITION_APPEND:
+ p = "APPEND";
+ break;
+ case POSITION_ASIS:
+ p = "ASIS";
+ break;
+ default:
+ /* If the position has changed and is not rewind or
+ append, it must be set to a processor-dependent
+ value. */
+ p = "UNSPECIFIED";
+ break;
+ }
+ }
cf_strcpy (iqp->position, iqp->position_len, p);
}
else
switch (u->flags.convert)
{
- /* l8_to_l4_offset is 0 for little-endian, 1 for big-endian. */
+ /* big_endian is 0 for little-endian, 1 for big-endian. */
case GFC_CONVERT_NATIVE:
- p = l8_to_l4_offset ? "BIG_ENDIAN" : "LITTLE_ENDIAN";
+ p = big_endian ? "BIG_ENDIAN" : "LITTLE_ENDIAN";
break;
case GFC_CONVERT_SWAP:
- p = l8_to_l4_offset ? "LITTLE_ENDIAN" : "BIG_ENDIAN";
+ p = big_endian ? "LITTLE_ENDIAN" : "BIG_ENDIAN";
break;
default:
if ((cf & IOPARM_INQUIRE_HAS_SEQUENTIAL) != 0)
{
- p = inquire_sequential (iqp->file, iqp->file_len);
+ p = "UNKNOWN";
cf_strcpy (iqp->sequential, iqp->sequential_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_DIRECT) != 0)
{
- p = inquire_direct (iqp->file, iqp->file_len);
+ p = "UNKNOWN";
cf_strcpy (iqp->direct, iqp->direct_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_FORMATTED) != 0)
{
- p = inquire_formatted (iqp->file, iqp->file_len);
+ p = "UNKNOWN";
cf_strcpy (iqp->formatted, iqp->formatted_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_UNFORMATTED) != 0)
{
- p = inquire_unformatted (iqp->file, iqp->file_len);
+ p = "UNKNOWN";
cf_strcpy (iqp->unformatted, iqp->unformatted_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_BLANK) != 0)
cf_strcpy (iqp->blank, iqp->blank_len, undefined);
+ if ((cf & IOPARM_INQUIRE_HAS_PAD) != 0)
+ cf_strcpy (iqp->pad, iqp->pad_len, undefined);
+
+ if (cf & IOPARM_INQUIRE_HAS_FLAGS2)
+ {
+ GFC_INTEGER_4 cf2 = iqp->flags2;
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_ENCODING) != 0)
+ cf_strcpy (iqp->encoding, iqp->encoding_len, undefined);
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_DELIM) != 0)
+ cf_strcpy (iqp->delim, iqp->delim_len, undefined);
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_DECIMAL) != 0)
+ cf_strcpy (iqp->decimal, iqp->decimal_len, undefined);
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_DELIM) != 0)
+ cf_strcpy (iqp->delim, iqp->delim_len, undefined);
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_PAD) != 0)
+ cf_strcpy (iqp->pad, iqp->pad_len, undefined);
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_ENCODING) != 0)
+ cf_strcpy (iqp->encoding, iqp->encoding_len, undefined);
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_SIZE) != 0)
+ *iqp->size = file_size (iqp->file, iqp->file_len);
+
+ if ((cf2 & IOPARM_INQUIRE_HAS_IQSTREAM) != 0)
+ cf_strcpy (iqp->iqstream, iqp->iqstream_len, "UNKNOWN");
+ }
+
if ((cf & IOPARM_INQUIRE_HAS_POSITION) != 0)
cf_strcpy (iqp->position, iqp->position_len, undefined);
p = inquire_read (iqp->file, iqp->file_len);
cf_strcpy (iqp->readwrite, iqp->readwrite_len, p);
}
-
- if ((cf & IOPARM_INQUIRE_HAS_DELIM) != 0)
- cf_strcpy (iqp->delim, iqp->delim_len, undefined);
-
- if ((cf & IOPARM_INQUIRE_HAS_PAD) != 0)
- cf_strcpy (iqp->pad, iqp->pad_len, undefined);
}
projects / gcc.git / blobdiff