--- /dev/null
+/*-------------------------------------------------------------------------
+ *
+ * int8.c--
+ * Internal 64-bit integer operations
+ *
+ *-------------------------------------------------------------------------
+ */
+#include <stdio.h> /* for sprintf proto, etc. */
+#include <stdlib.h> /* for strtod, etc. */
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+#include <math.h>
+#include <float.h>
+#include <limits.h>
+
+#include "postgres.h"
+#include "utils/palloc.h"
+#include "utils/int8.h"
+
+#define MAXINT8LEN 25
+
+
+/***********************************************************************
+ **
+ ** Routines for 64-bit integers.
+ **
+ ***********************************************************************/
+
+/*----------------------------------------------------------
+ * Formatting and conversion routines.
+ *---------------------------------------------------------*/
+
+/* int8in()
+ */
+int64 *
+int8in(char *str)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(str))
+ elog(ERROR, "Bad (null) int8 external representation", NULL);
+
+ if (sscanf(str, INT64_FORMAT, result) != 1)
+ elog(ERROR, "Bad int8 external representation '%s'", str);
+
+#if FALSE
+ elog(ERROR, "64-bit integers are not supported", NULL);
+ result = NULL;
+#endif
+
+ return (result);
+} /* int8in() */
+
+
+/* int8out()
+ */
+char *
+int8out(int64 * val)
+{
+ char *result;
+
+ int len;
+ char buf[MAXINT8LEN + 1];
+
+ if (!PointerIsValid(val))
+ return (NULL);
+
+ if ((len = snprintf(buf, MAXINT8LEN, INT64_FORMAT, *val)) < 0)
+ elog(ERROR, "Unable to format int8", NULL);
+
+ result = palloc(len + 1);
+
+ strcpy(result, buf);
+
+ return (result);
+} /* int8out() */
+
+
+/*----------------------------------------------------------
+ * Relational operators for int8s.
+ *---------------------------------------------------------*/
+
+/* int8relop()
+ * Is val1 relop val2?
+ */
+bool
+int8eq(int64 * val1, int64 * val2)
+{
+ return (*val1 == *val2);
+} /* int8eq() */
+
+bool
+int8ne(int64 * val1, int64 * val2)
+{
+ return (*val1 != *val2);
+} /* int8ne() */
+
+bool
+int8lt(int64 * val1, int64 * val2)
+{
+ return (*val1 < *val2);
+} /* int8lt() */
+
+bool
+int8gt(int64 * val1, int64 * val2)
+{
+ return (*val1 > *val2);
+} /* int8gt() */
+
+bool
+int8le(int64 * val1, int64 * val2)
+{
+ return (*val1 <= *val2);
+} /* int8le() */
+
+bool
+int8ge(int64 * val1, int64 * val2)
+{
+ return (*val1 >= *val2);
+} /* int8ge() */
+
+
+/* int84relop()
+ * Is 64-bit val1 relop 32-bit val2?
+ */
+bool
+int84eq(int64 * val1, int32 val2)
+{
+ return (*val1 == val2);
+} /* int84eq() */
+
+bool
+int84ne(int64 * val1, int32 val2)
+{
+ return (*val1 != val2);
+} /* int84ne() */
+
+bool
+int84lt(int64 * val1, int32 val2)
+{
+ return (*val1 < val2);
+} /* int84lt() */
+
+bool
+int84gt(int64 * val1, int32 val2)
+{
+ return (*val1 > val2);
+} /* int84gt() */
+
+bool
+int84le(int64 * val1, int32 val2)
+{
+ return (*val1 <= val2);
+} /* int84le() */
+
+bool
+int84ge(int64 * val1, int32 val2)
+{
+ return (*val1 >= val2);
+} /* int84ge() */
+
+
+/* int48relop()
+ * Is 32-bit val1 relop 64-bit val2?
+ */
+bool
+int48eq(int32 val1, int64 * val2)
+{
+ return (val1 == *val2);
+} /* int48eq() */
+
+bool
+int48ne(int32 val1, int64 * val2)
+{
+ return (val1 != *val2);
+} /* int48ne() */
+
+bool
+int48lt(int32 val1, int64 * val2)
+{
+ return (val1 < *val2);
+} /* int48lt() */
+
+bool
+int48gt(int32 val1, int64 * val2)
+{
+ return (val1 > *val2);
+} /* int48gt() */
+
+bool
+int48le(int32 val1, int64 * val2)
+{
+ return (val1 <= *val2);
+} /* int48le() */
+
+bool
+int48ge(int32 val1, int64 * val2)
+{
+ return (val1 >= *val2);
+} /* int48ge() */
+
+
+/*----------------------------------------------------------
+ * Arithmetic operators on 64-bit integers.
+ *---------------------------------------------------------*/
+
+int64 *
+int8um(int64 * val)
+{
+ int64 temp = 0;
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val))
+ return NULL;
+
+#if FALSE
+ *result = temp - (*val);
+#else
+ result = int8mi(&temp, val);
+#endif
+
+ return (result);
+} /* int8um() */
+
+
+int64 *
+int8pl(int64 * val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if ((!PointerIsValid(val1)) || (!PointerIsValid(val2)))
+ return NULL;
+
+ *result = *val1 + *val2;
+
+ return (result);
+} /* int8pl() */
+
+int64 *
+int8mi(int64 * val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if ((!PointerIsValid(val1)) || (!PointerIsValid(val2)))
+ return NULL;
+
+ *result = *val1 - *val2;
+
+ return (result);
+} /* int8mi() */
+
+int64 *
+int8mul(int64 * val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if ((!PointerIsValid(val1)) || (!PointerIsValid(val2)))
+ return NULL;
+
+ *result = *val1 * *val2;
+
+ return (result);
+} /* int8mul() */
+
+int64 *
+int8div(int64 * val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if ((!PointerIsValid(val1)) || (!PointerIsValid(val2)))
+ return NULL;
+
+ *result = *val1 / *val2;
+
+ return (result);
+} /* int8div() */
+
+int64 *
+int8larger(int64 * val1, int64 * val2)
+{
+#if FALSE
+ int64 *result = palloc(sizeof(int64));
+#endif
+
+ if ((!PointerIsValid(val1)) || (!PointerIsValid(val2)))
+ return NULL;
+
+#if FALSE
+ *result = ((*val1 > *val2)? *val1: *val2);
+
+ return (result);
+#endif
+ return ((*val1 > *val2)? val1: val2);
+} /* int8larger() */
+
+int64 *
+int8smaller(int64 * val1, int64 * val2)
+{
+#if FALSE
+ int64 *result = palloc(sizeof(int64));
+#endif
+
+ if ((!PointerIsValid(val1)) || (!PointerIsValid(val2)))
+ return NULL;
+
+#if FALSE
+ *result = ((*val1 < *val2)? *val1: *val2);
+
+ return (result);
+#endif
+ return ((*val1 < *val2)? val1: val2);
+} /* int8smaller() */
+
+
+int64 *
+int84pl(int64 * val1, int32 val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val1))
+ return NULL;
+
+ *result = *val1 + (int64) val2;
+
+ return (result);
+} /* int84pl() */
+
+int64 *
+int84mi(int64 * val1, int32 val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val1))
+ return NULL;
+
+ *result = *val1 - (int64) val2;
+
+ return (result);
+} /* int84mi() */
+
+int64 *
+int84mul(int64 * val1, int32 val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val1))
+ return NULL;
+
+ *result = *val1 * (int64) val2;
+
+ return (result);
+} /* int84mul() */
+
+int64 *
+int84div(int64 * val1, int32 val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val1))
+ return NULL;
+
+ *result = *val1 / (int64) val2;
+
+ return (result);
+} /* int84div() */
+
+
+int64 *
+int48pl(int32 val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val2))
+ return NULL;
+
+ *result = (int64) val1 + *val2;
+
+ return (result);
+} /* int48pl() */
+
+int64 *
+int48mi(int32 val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val2))
+ return NULL;
+
+ *result = (int64) val1 - *val2;
+
+ return (result);
+} /* int48mi() */
+
+int64 *
+int48mul(int32 val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val2))
+ return NULL;
+
+ *result = (int64) val1 * *val2;
+
+ return (result);
+} /* int48mul() */
+
+int64 *
+int48div(int32 val1, int64 * val2)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if (!PointerIsValid(val2))
+ return NULL;
+
+ *result = (int64) val1 / *val2;
+
+ return (result);
+} /* int48div() */
+
+
+/*----------------------------------------------------------
+ * Conversion operators.
+ *---------------------------------------------------------*/
+
+int64 *
+int48(int32 val)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ *result = val;
+
+ return (result);
+} /* int48() */
+
+int32
+int84(int64 * val)
+{
+ int32 result;
+
+ if (!PointerIsValid(val))
+ elog(ERROR, "Invalid (null) int64, can't convert int8 to int4", NULL);
+
+#if FALSE
+ /* Hmm. This conditional always tests true on my i686/linux box.
+ * It's a gcc compiler bug, or I'm missing something obvious, which is more likely...
+ * - thomas 1998-06-09
+ */
+ if ((*val < INT_MIN) || (*val > INT_MAX))
+#endif
+ if ((*val < (-pow(2, 31) + 1)) || (*val > (pow(2, 31) - 1)))
+ elog(ERROR, "int8 conversion to int4 is out of range", NULL);
+
+ result = *val;
+
+ return (result);
+} /* int84() */
+
+#if FALSE
+int64 *
+int28 (int16 val)
+{
+ int64 *result;
+
+ result = palloc(sizeof(int64));
+
+ *result = val;
+
+ return (result);
+} /* int28() */
+
+int16
+int82(int64 * val)
+{
+ int16 result;
+
+ if (!PointerIsValid(val))
+ elog(ERROR, "Invalid (null) int8, can't convert to int2", NULL);
+
+ if ((*val < (-pow(2, 15) + 1)) || (*val > (pow(2, 15) - 1)))
+ elog(ERROR, "int8 conversion to int2 is out of range", NULL);
+
+ result = *val;
+
+ return (result);
+} /* int82() */
+
+#endif
+
+float64
+i8tod(int64 * val)
+{
+ float64 result = palloc(sizeof(float64data));
+
+ *result = *val;
+
+ return (result);
+} /* i8tod() */
+
+/* dtoi8()
+ * Convert double float to 8-byte integer.
+ * Do a range check before the conversion.
+ * Note that the comparison probably isn't quite right
+ * since we only have ~52 bits of precision in a double float
+ * and so subtracting one from a large number gives the large
+ * number exactly. However, for some reason the comparison below
+ * does the right thing on my i686/linux-rh4.2 box.
+ * - thomas 1998-06-16
+ */
+int64 *
+dtoi8(float64 val)
+{
+ int64 *result = palloc(sizeof(int64));
+
+ if ((*val < (-pow(2, 63) + 1)) || (*val > (pow(2, 63) - 1)))
+ elog(ERROR, "Floating point conversion to int64 is out of range", NULL);
+
+ *result = *val;
+
+ return (result);
+} /* dtoi8() */