static int
gf_ctime (char *s, size_t max, const time_t timev)
{
struct tm ltm;
int failed;
char buf[CTIME_BUFSZ + 1];
/* Some targets provide a localtime_r based on a draft of the POSIX
standard where the return type is int rather than the
standardized struct tm*. */
__builtin_choose_expr (__builtin_classify_type (localtime_r (&timev, <m))
== 5,
failed = localtime_r (&timev, <m) == NULL,
failed = localtime_r (&timev, <m) != 0);
if (failed)
goto blank;
int n = snprintf (buf, sizeof (buf),
"%3.3s %3.3s%3d %.2d:%.2d:%.2d %d",
"SunMonTueWedThuFriSat" + ltm.tm_wday * 3,
"JanFebMarAprMayJunJulAugSepOctNovDec" + ltm.tm_mon * 3,
ltm.tm_mday, ltm.tm_hour, ltm.tm_min, ltm.tm_sec,
1900 + ltm.tm_year);
if (n < 0)
goto blank;
if ((size_t) n <= max)
{
cf_strcpy (s, max, buf);
return n;
}
blank:
memset (s, ' ', max);
return 0;
}
void
PREFIX(getenv) (char * name, char * value, gfc_charlen_type name_len,
gfc_charlen_type value_len)
{
char *name_nt;
char *res = NULL;
if (name == NULL || value == NULL)
runtime_error ("Both arguments to getenv are mandatory.");
if (value_len < 1 || name_len < 1)
runtime_error ("Zero length string(s) passed to getenv.");
else
memset (value, ' ', value_len); /* Blank the string. */
/* Make a null terminated copy of the string. */
name_nt = fc_strdup (name, name_len);
res = getenv(name_nt);
free (name_nt);
/* If res is NULL, it means that the environment variable didn't
exist, so just return. */
if (res == NULL)
return;
cf_strcpy (value, value_len, res);
}
void
generate_error (st_parameter_common *cmp, int family, const char *message)
{
/* If there was a previous error, don't mask it with another
error message, EOF or EOR condition. */
if ((cmp->flags & IOPARM_LIBRETURN_MASK) == IOPARM_LIBRETURN_ERROR)
return;
/* Set the error status. */
if ((cmp->flags & IOPARM_HAS_IOSTAT))
*cmp->iostat = (family == LIBERROR_OS) ? errno : family;
if (message == NULL)
message =
(family == LIBERROR_OS) ? get_oserror () : translate_error (family);
if (cmp->flags & IOPARM_HAS_IOMSG)
cf_strcpy (cmp->iomsg, cmp->iomsg_len, message);
/* Report status back to the compiler. */
cmp->flags &= ~IOPARM_LIBRETURN_MASK;
switch (family)
{
case LIBERROR_EOR:
cmp->flags |= IOPARM_LIBRETURN_EOR;
if ((cmp->flags & IOPARM_EOR))
return;
break;
case LIBERROR_END:
cmp->flags |= IOPARM_LIBRETURN_END;
if ((cmp->flags & IOPARM_END))
return;
break;
default:
cmp->flags |= IOPARM_LIBRETURN_ERROR;
if ((cmp->flags & IOPARM_ERR))
return;
break;
}
/* Return if the user supplied an iostat variable. */
if ((cmp->flags & IOPARM_HAS_IOSTAT))
return;
/* Terminate the program */
recursion_check ();
show_locus (cmp);
st_printf ("Fortran runtime error: %s\n", message);
sys_exit (2);
}
static void
inquire_via_filename (st_parameter_inquire *iqp)
{
const char *p;
GFC_INTEGER_4 cf = iqp->common.flags;
if ((cf & IOPARM_INQUIRE_HAS_EXIST) != 0)
*iqp->exist = file_exists (iqp->file, iqp->file_len);
if ((cf & IOPARM_INQUIRE_HAS_OPENED) != 0)
*iqp->opened = 0;
if ((cf & IOPARM_INQUIRE_HAS_NUMBER) != 0)
*iqp->number = -1;
if ((cf & IOPARM_INQUIRE_HAS_NAMED) != 0)
*iqp->named = 1;
if ((cf & IOPARM_INQUIRE_HAS_NAME) != 0)
fstrcpy (iqp->name, iqp->name_len, iqp->file, iqp->file_len);
if ((cf & IOPARM_INQUIRE_HAS_ACCESS) != 0)
cf_strcpy (iqp->access, iqp->access_len, undefined);
if ((cf & IOPARM_INQUIRE_HAS_SEQUENTIAL) != 0)
{
p = "UNKNOWN";
cf_strcpy (iqp->sequential, iqp->sequential_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_DIRECT) != 0)
{
p = "UNKNOWN";
cf_strcpy (iqp->direct, iqp->direct_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_FORM) != 0)
cf_strcpy (iqp->form, iqp->form_len, undefined);
if ((cf & IOPARM_INQUIRE_HAS_FORMATTED) != 0)
{
p = "UNKNOWN";
cf_strcpy (iqp->formatted, iqp->formatted_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_UNFORMATTED) != 0)
{
p = "UNKNOWN";
cf_strcpy (iqp->unformatted, iqp->unformatted_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_RECL_OUT) != 0)
*iqp->recl_out = 0;
if ((cf & IOPARM_INQUIRE_HAS_NEXTREC) != 0)
*iqp->nextrec = 0;
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 ((cf & IOPARM_INQUIRE_HAS_POSITION) != 0)
cf_strcpy (iqp->position, iqp->position_len, undefined);
if ((cf & IOPARM_INQUIRE_HAS_ACCESS) != 0)
cf_strcpy (iqp->access, iqp->access_len, undefined);
if ((cf & IOPARM_INQUIRE_HAS_READ) != 0)
{
p = inquire_read (iqp->file, iqp->file_len);
cf_strcpy (iqp->read, iqp->read_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_WRITE) != 0)
{
p = inquire_write (iqp->file, iqp->file_len);
cf_strcpy (iqp->write, iqp->write_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_READWRITE) != 0)
{
p = inquire_read (iqp->file, iqp->file_len);
cf_strcpy (iqp->readwrite, iqp->readwrite_len, p);
}
}
static void
inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
{
const char *p;
GFC_INTEGER_4 cf = iqp->common.flags;
if ((cf & IOPARM_INQUIRE_HAS_EXIST) != 0)
{
*iqp->exist = (iqp->common.unit >= 0
&& iqp->common.unit <= GFC_INTEGER_4_HUGE);
if ((cf & IOPARM_INQUIRE_HAS_FILE) == 0)
{
if (!(*iqp->exist))
*iqp->common.iostat = LIBERROR_BAD_UNIT;
*iqp->exist = *iqp->exist
&& (*iqp->common.iostat != LIBERROR_BAD_UNIT);
}
}
if ((cf & IOPARM_INQUIRE_HAS_OPENED) != 0)
*iqp->opened = (u != NULL);
if ((cf & IOPARM_INQUIRE_HAS_NUMBER) != 0)
*iqp->number = (u != NULL) ? u->unit_number : -1;
if ((cf & IOPARM_INQUIRE_HAS_NAMED) != 0)
*iqp->named = (u != NULL && u->flags.status != STATUS_SCRATCH);
if ((cf & IOPARM_INQUIRE_HAS_NAME) != 0
&& u != NULL && u->flags.status != STATUS_SCRATCH)
fstrcpy (iqp->name, iqp->name_len, u->file, u->file_len);
if ((cf & IOPARM_INQUIRE_HAS_ACCESS) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.access)
{
case ACCESS_SEQUENTIAL:
p = "SEQUENTIAL";
break;
case ACCESS_DIRECT:
p = "DIRECT";
break;
case ACCESS_STREAM:
p = "STREAM";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad access");
}
cf_strcpy (iqp->access, iqp->access_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_SEQUENTIAL) != 0)
{
if (u == NULL)
p = inquire_sequential (NULL, 0);
else
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)
{
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_FORM) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.form)
{
case FORM_FORMATTED:
p = "FORMATTED";
break;
case FORM_UNFORMATTED:
p = "UNFORMATTED";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad form");
}
cf_strcpy (iqp->form, iqp->form_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_FORMATTED) != 0)
{
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)
{
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_RECL_OUT) != 0)
*iqp->recl_out = (u != NULL) ? u->recl : 0;
if ((cf & IOPARM_INQUIRE_HAS_STRM_POS_OUT) != 0)
*iqp->strm_pos_out = (u != NULL) ? u->strm_pos : 0;
if ((cf & IOPARM_INQUIRE_HAS_NEXTREC) != 0)
{
/* This only makes sense in the context of DIRECT access. */
if (u != NULL && u->flags.access == ACCESS_DIRECT)
*iqp->nextrec = u->last_record + 1;
else
*iqp->nextrec = 0;
}
if ((cf & IOPARM_INQUIRE_HAS_BLANK) != 0)
{
if (u == NULL || u->flags.form != FORM_FORMATTED)
p = undefined;
else
switch (u->flags.blank)
{
case BLANK_NULL:
p = "NULL";
break;
case BLANK_ZERO:
p = "ZERO";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad 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 ((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;
}
cf_strcpy (iqp->position, iqp->position_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_ACTION) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.action)
{
case ACTION_READ:
p = "READ";
break;
case ACTION_WRITE:
p = "WRITE";
break;
case ACTION_READWRITE:
p = "READWRITE";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad action");
}
cf_strcpy (iqp->action, iqp->action_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_READ) != 0)
{
p = (u == NULL) ? inquire_read (NULL, 0) :
inquire_read (u->file, u->file_len);
cf_strcpy (iqp->read, iqp->read_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_WRITE) != 0)
{
p = (u == NULL) ? inquire_write (NULL, 0) :
inquire_write (u->file, u->file_len);
cf_strcpy (iqp->write, iqp->write_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_READWRITE) != 0)
{
p = (u == NULL) ? inquire_readwrite (NULL, 0) :
inquire_readwrite (u->file, u->file_len);
cf_strcpy (iqp->readwrite, iqp->readwrite_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_DELIM) != 0)
{
if (u == NULL || u->flags.form != FORM_FORMATTED)
p = undefined;
else
switch (u->flags.delim)
{
case DELIM_NONE:
p = "NONE";
break;
case DELIM_QUOTE:
p = "QUOTE";
break;
case DELIM_APOSTROPHE:
p = "APOSTROPHE";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad delim");
}
cf_strcpy (iqp->delim, iqp->delim_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_NO:
p = "NO";
break;
case PAD_YES:
p = "YES";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad pad");
}
cf_strcpy (iqp->pad, iqp->pad_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_CONVERT) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.convert)
{
/* big_endian is 0 for little-endian, 1 for big-endian. */
case GFC_CONVERT_NATIVE:
p = big_endian ? "BIG_ENDIAN" : "LITTLE_ENDIAN";
break;
case GFC_CONVERT_SWAP:
p = big_endian ? "LITTLE_ENDIAN" : "BIG_ENDIAN";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad convert");
}
cf_strcpy (iqp->convert, iqp->convert_len, p);
}
}
static void
inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
{
const char *p;
GFC_INTEGER_4 cf = iqp->common.flags;
if (iqp->common.unit == GFC_INTERNAL_UNIT ||
iqp->common.unit == GFC_INTERNAL_UNIT4 ||
u->internal_unit_kind != 0)
generate_error (&iqp->common, LIBERROR_INQUIRE_INTERNAL_UNIT, NULL);
if ((cf & IOPARM_INQUIRE_HAS_EXIST) != 0)
*iqp->exist = (u != NULL) || (iqp->common.unit >= 0);
if ((cf & IOPARM_INQUIRE_HAS_OPENED) != 0)
*iqp->opened = (u != NULL);
if ((cf & IOPARM_INQUIRE_HAS_NUMBER) != 0)
*iqp->number = (u != NULL) ? u->unit_number : -1;
if ((cf & IOPARM_INQUIRE_HAS_NAMED) != 0)
*iqp->named = (u != NULL && u->flags.status != STATUS_SCRATCH);
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. */
cf_strcpy (iqp->name, iqp->name_len, u->filename);
}
else
cf_strcpy (iqp->name, iqp->name_len, u->filename);
#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
cf_strcpy (iqp->name, iqp->name_len, u->filename);
#else
cf_strcpy (iqp->name, iqp->name_len, u->filename);
#endif
}
if ((cf & IOPARM_INQUIRE_HAS_ACCESS) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.access)
{
case ACCESS_SEQUENTIAL:
p = "SEQUENTIAL";
break;
case ACCESS_DIRECT:
p = "DIRECT";
break;
case ACCESS_STREAM:
p = "STREAM";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad access");
}
cf_strcpy (iqp->access, iqp->access_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_SEQUENTIAL) != 0)
{
if (u == NULL)
p = inquire_sequential (NULL, 0);
else
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)
{
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_FORM) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.form)
{
case FORM_FORMATTED:
p = "FORMATTED";
break;
case FORM_UNFORMATTED:
p = "UNFORMATTED";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad form");
}
cf_strcpy (iqp->form, iqp->form_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_FORMATTED) != 0)
{
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)
{
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_RECL_OUT) != 0)
*iqp->recl_out = (u != NULL) ? u->recl : 0;
if ((cf & IOPARM_INQUIRE_HAS_STRM_POS_OUT) != 0)
*iqp->strm_pos_out = (u != NULL) ? u->strm_pos : 0;
if ((cf & IOPARM_INQUIRE_HAS_NEXTREC) != 0)
{
/* This only makes sense in the context of DIRECT access. */
if (u != NULL && u->flags.access == ACCESS_DIRECT)
*iqp->nextrec = u->last_record + 1;
else
*iqp->nextrec = 0;
}
if ((cf & IOPARM_INQUIRE_HAS_BLANK) != 0)
{
if (u == NULL || u->flags.form != FORM_FORMATTED)
p = undefined;
else
switch (u->flags.blank)
{
case BLANK_NULL:
p = "NULL";
break;
case BLANK_ZERO:
p = "ZERO";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad 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
{
/* 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);
}
if ((cf & IOPARM_INQUIRE_HAS_ACTION) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.action)
{
case ACTION_READ:
p = "READ";
break;
case ACTION_WRITE:
p = "WRITE";
break;
case ACTION_READWRITE:
p = "READWRITE";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad action");
}
cf_strcpy (iqp->action, iqp->action_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_READ) != 0)
{
p = (!u || u->flags.action == ACTION_WRITE) ? no : yes;
cf_strcpy (iqp->read, iqp->read_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_WRITE) != 0)
{
p = (!u || u->flags.action == ACTION_READ) ? no : yes;
cf_strcpy (iqp->write, iqp->write_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_READWRITE) != 0)
{
p = (!u || u->flags.action != ACTION_READWRITE) ? no : yes;
cf_strcpy (iqp->readwrite, iqp->readwrite_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_DELIM) != 0)
{
if (u == NULL || u->flags.form != FORM_FORMATTED)
p = undefined;
else
switch (u->flags.delim)
{
case DELIM_NONE:
case DELIM_UNSPECIFIED:
p = "NONE";
break;
case DELIM_QUOTE:
p = "QUOTE";
break;
case DELIM_APOSTROPHE:
p = "APOSTROPHE";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad delim");
}
cf_strcpy (iqp->delim, iqp->delim_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_NO:
p = no;
break;
case PAD_YES:
p = yes;
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad pad");
}
cf_strcpy (iqp->pad, iqp->pad_len, p);
}
if ((cf & IOPARM_INQUIRE_HAS_CONVERT) != 0)
{
if (u == NULL)
p = undefined;
else
switch (u->flags.convert)
{
/* big_endian is 0 for little-endian, 1 for big-endian. */
case GFC_CONVERT_NATIVE:
p = big_endian ? "BIG_ENDIAN" : "LITTLE_ENDIAN";
break;
case GFC_CONVERT_SWAP:
p = big_endian ? "LITTLE_ENDIAN" : "BIG_ENDIAN";
break;
default:
internal_error (&iqp->common, "inquire_via_unit(): Bad convert");
}
cf_strcpy (iqp->convert, iqp->convert_len, p);
}
}
