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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include "config.h"
* actually place the value into memory. */
void
-set_integer (void *dest, int64_t value, int length)
+set_integer (void *dest, GFC_INTEGER_LARGEST value, int length)
{
switch (length)
{
+#ifdef HAVE_GFC_INTEGER_16
+ case 16:
+ *((GFC_INTEGER_16 *) dest) = value;
+ break;
+#endif
case 8:
- *((int64_t *) dest) = value;
+ *((GFC_INTEGER_8 *) dest) = value;
break;
case 4:
- *((int32_t *) dest) = value;
+ *((GFC_INTEGER_4 *) dest) = value;
break;
case 2:
- *((int16_t *) dest) = value;
+ *((GFC_INTEGER_2 *) dest) = value;
break;
case 1:
- *((int8_t *) dest) = value;
+ *((GFC_INTEGER_1 *) dest) = value;
break;
default:
internal_error ("Bad integer kind");
/* max_value()-- Given a length (kind), return the maximum signed or
* unsigned value */
-uint64_t
+GFC_UINTEGER_LARGEST
max_value (int length, int signed_flag)
{
- uint64_t value;
+ GFC_UINTEGER_LARGEST value;
+ int n;
switch (length)
{
+#if defined HAVE_GFC_REAL_16 || defined HAVE_GFC_REAL_10
+ case 16:
+ case 10:
+ value = 1;
+ for (n = 1; n < 4 * length; n++)
+ value = (value << 2) + 3;
+ if (! signed_flag)
+ value = 2*value+1;
+ break;
+#endif
case 8:
value = signed_flag ? 0x7fffffffffffffff : 0xffffffffffffffff;
break;
switch (length)
{
case 4:
- *((float *) dest) =
+ {
+ GFC_REAL_4 tmp =
#if defined(HAVE_STRTOF)
- strtof (buffer, NULL);
+ strtof (buffer, NULL);
#else
- (float) strtod (buffer, NULL);
+ (GFC_REAL_4) strtod (buffer, NULL);
#endif
+ memcpy (dest, (void *) &tmp, length);
+ }
break;
case 8:
- *((double *) dest) = strtod (buffer, NULL);
+ {
+ GFC_REAL_8 tmp = strtod (buffer, NULL);
+ memcpy (dest, (void *) &tmp, length);
+ }
+ break;
+#if defined(HAVE_GFC_REAL_10) && defined (HAVE_STRTOLD)
+ case 10:
+ {
+ GFC_REAL_10 tmp = strtold (buffer, NULL);
+ memcpy (dest, (void *) &tmp, length);
+ }
+ break;
+#endif
+#if defined(HAVE_GFC_REAL_16) && defined (HAVE_STRTOLD)
+ case 16:
+ {
+ GFC_REAL_16 tmp = strtold (buffer, NULL);
+ memcpy (dest, (void *) &tmp, length);
+ }
break;
+#endif
default:
internal_error ("Unsupported real kind during IO");
}
- if (errno != 0)
+ if (errno != 0 && errno != EINVAL)
{
generate_error (ERROR_READ_VALUE,
"Range error during floating point read");
{
case 't':
case 'T':
- set_integer (dest, 1, length);
+ set_integer (dest, (GFC_INTEGER_LARGEST) 1, length);
break;
case 'f':
case 'F':
- set_integer (dest, 0, length);
+ set_integer (dest, (GFC_INTEGER_LARGEST) 0, length);
break;
default:
bad:
if (c != ' ')
return c;
- if (g.blank_status == BLANK_ZERO)
- return '0';
+ if (g.blank_status != BLANK_UNSPECIFIED)
+ return ' '; /* return a blank to signal a null */
/* At this point, the rest of the field has to be trailing blanks */
void
read_decimal (fnode * f, char *dest, int length)
{
- unsigned value, maxv, maxv_10;
- int v, w, negative;
+ GFC_UINTEGER_LARGEST value, maxv, maxv_10;
+ GFC_INTEGER_LARGEST v;
+ int w, negative;
char c, *p;
w = f->u.w;
p = eat_leading_spaces (&w, p);
if (w == 0)
{
- set_integer (dest, 0, length);
+ set_integer (dest, (GFC_INTEGER_LARGEST) 0, length);
return;
}
c = next_char (&p, &w);
if (c == '\0')
break;
-
+
+ if (c == ' ')
+ {
+ if (g.blank_status == BLANK_NULL) continue;
+ if (g.blank_status == BLANK_ZERO) c = '0';
+ }
+
if (c < '0' || c > '9')
goto bad;
value += c;
}
- v = (signed int) value;
+ v = value;
if (negative)
v = -v;
void
read_radix (fnode * f, char *dest, int length, int radix)
{
- unsigned value, maxv, maxv_r;
- int v, w, negative;
+ GFC_UINTEGER_LARGEST value, maxv, maxv_r;
+ GFC_INTEGER_LARGEST v;
+ int w, negative;
char c, *p;
w = f->u.w;
p = eat_leading_spaces (&w, p);
if (w == 0)
{
- set_integer (dest, 0, length);
+ set_integer (dest, (GFC_INTEGER_LARGEST) 0, length);
return;
}
c = next_char (&p, &w);
if (c == '\0')
break;
+ if (c == ' ')
+ {
+ if (g.blank_status == BLANK_NULL) continue;
+ if (g.blank_status == BLANK_ZERO) c = '0';
+ }
switch (radix)
{
value += c;
}
- v = (signed int) value;
+ v = value;
if (negative)
v = -v;
p = eat_leading_spaces (&w, p);
if (w == 0)
- {
- switch (length)
- {
- case 4:
- *((float *) dest) = 0.0f;
- break;
-
- case 8:
- *((double *) dest) = 0.0;
- break;
-
- default:
- internal_error ("Unsupported real kind during IO");
- }
-
- return;
- }
+ goto zero;
/* Optional sign */
if (*p == '-')
val_sign = -1;
p++;
-
- if (--w == 0)
- goto bad_float;
+ w--;
}
exponent_sign = 1;
+ p = eat_leading_spaces (&w, p);
+ if (w == 0)
+ goto zero;
/* A digit, a '.' or a exponent character ('e', 'E', 'd' or 'D')
is required at this point */
generate_error (ERROR_READ_VALUE, "Bad value during floating point read");
return;
+ /* The value read is zero */
+ zero:
+ switch (length)
+ {
+ case 4:
+ *((GFC_REAL_4 *) dest) = 0;
+ break;
+
+ case 8:
+ *((GFC_REAL_8 *) dest) = 0;
+ break;
+
+#ifdef HAVE_GFC_REAL_10
+ case 10:
+ *((GFC_REAL_10 *) dest) = 0;
+ break;
+#endif
+
+#ifdef HAVE_GFC_REAL_16
+ case 16:
+ *((GFC_REAL_16 *) dest) = 0;
+ break;
+#endif
+
+ default:
+ internal_error ("Unsupported real kind during IO");
+ }
+ return;
+
/* At this point the start of an exponent has been found */
exp1:
while (w > 0 && *p == ' ')
p++;
w--;
- while (w > 0 && isdigit (*p))
+ if (g.blank_status == BLANK_UNSPECIFIED) /* Normal processing of exponent */
{
- exponent = 10 * exponent + *p - '0';
- p++;
- w--;
- }
-
- /* Only allow trailing blanks */
-
- while (w > 0)
+ while (w > 0 && isdigit (*p))
+ {
+ exponent = 10 * exponent + *p - '0';
+ p++;
+ w--;
+ }
+
+ /* Only allow trailing blanks */
+
+ while (w > 0)
+ {
+ if (*p != ' ')
+ goto bad_float;
+ p++;
+ w--;
+ }
+ }
+ else /* BZ or BN status is enabled */
{
- if (*p != ' ')
- goto bad_float;
- p++;
- w--;
+ while (w > 0)
+ {
+ if (*p == ' ')
+ {
+ if (g.blank_status == BLANK_ZERO) *p = '0';
+ if (g.blank_status == BLANK_NULL)
+ {
+ p++;
+ w--;
+ continue;
+ }
+ }
+ else if (!isdigit (*p))
+ goto bad_float;
+
+ exponent = 10 * exponent + *p - '0';
+ p++;
+ w--;
+ }
}
exponent = exponent * exponent_sign;
buffer = get_mem (i);
/* Reformat the string into a temporary buffer. As we're using atof it's
- easiest to just leave the dcimal point in place. */
+ easiest to just leave the decimal point in place. */
p = buffer;
if (val_sign < 0)
*(p++) = '-';
for (; ndigits > 0; ndigits--)
{
- if (*digits == ' ' && g.blank_status == BLANK_ZERO)
- *p = '0';
- else
- *p = *digits;
+ if (*digits == ' ')
+ {
+ if (g.blank_status == BLANK_ZERO) *digits = '0';
+ if (g.blank_status == BLANK_NULL)
+ {
+ digits++;
+ continue;
+ }
+ }
+ *p = *digits;
p++;
digits++;
}
int n;
n = f->u.n;
- read_block (&n);
+
+ if ((current_unit->flags.pad == PAD_NO || is_internal_unit ())
+ && current_unit->bytes_left < n)
+ n = current_unit->bytes_left;
+
+ if (n > 0)
+ read_block (&n);
}
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