From 317acd081869b53a7ecfd107e2b742f7f289ed81 Mon Sep 17 00:00:00 2001
From: "Thomas G. Lockhart" <lockhart@fourpalms.org>
Date: Sat, 25 Oct 1997 05:19:22 +0000
Subject: [PATCH] Add conversions for int2 and int4 to and from text.
---
src/backend/utils/adt/int.c | 99 ++++++++++++++++++++++++++++++++++---
1 file changed, 91 insertions(+), 8 deletions(-)
diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c
index a086f00c73e..28794367e5f 100644
--- a/src/backend/utils/adt/int.c
+++ b/src/backend/utils/adt/int.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.8 1997/09/08 21:48:29 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.9 1997/10/25 05:19:22 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -16,7 +16,7 @@
* I/O routines:
* int2in, int2out, int28in, int28out, int4in, int4out
* Conversion routines:
- * itoi
+ * itoi, int2_text, int4_text
* Boolean operators:
* inteq, intne, intlt, intle, intgt, intge
* Arithmetic operators:
@@ -29,6 +29,7 @@
* fix me when we figure out what we want to do about ANSIfication...
*/
#include <stdio.h>
+#include <string.h>
#include "postgres.h"
#include "fmgr.h"
@@ -50,7 +51,7 @@ int2in(char *num)
/*
* int2out - converts short to "num"
*/
-char *
+char *
int2out(int16 sh)
{
char *result;
@@ -66,7 +67,7 @@ int2out(int16 sh)
* Note:
* Fills any nonexistent digits with NULLs.
*/
-int16 *
+int16 *
int28in(char *shs)
{
register int16 (*result)[];
@@ -95,7 +96,7 @@ int28in(char *shs)
/*
* int28out - converts internal form to "num num ..."
*/
-char *
+char *
int28out(int16 (*shs)[])
{
register int num;
@@ -130,7 +131,7 @@ int28out(int16 (*shs)[])
* Note:
* Fills any nonexistent digits with NULLs.
*/
-int32 *
+int32 *
int44in(char *input_string)
{
int32 *foo = (int32 *) palloc(4 * sizeof(int32));
@@ -151,7 +152,7 @@ int44in(char *input_string)
/*
* int28out - converts internal form to "num num ..."
*/
-char *
+char *
int44out(int32 an_array[])
{
int temp = 4;
@@ -194,7 +195,7 @@ int4in(char *num)
/*
* int4out - converts int4 to "num"
*/
-char *
+char *
int4out(int32 l)
{
char *result;
@@ -228,6 +229,88 @@ i4toi2(int32 arg1)
return ((int16) arg1);
}
+text *
+int2_text(int16 arg1)
+{
+ text *result;
+
+ int len;
+ char *str;
+
+ str = int2out(arg1);
+ len = (strlen(str) + VARHDRSZ);
+
+ result = PALLOC(len);
+
+ VARSIZE(result) = len;
+ memmove(VARDATA(result), str, (len - VARHDRSZ));
+
+ PFREE(str);
+
+ return(result);
+} /* int2_text() */
+
+int16
+text_int2(text *string)
+{
+ int16 result;
+
+ int len;
+ char *str;
+
+ len = (VARSIZE(string) - VARHDRSZ);
+
+ str = PALLOC(len+1);
+ memmove(str, VARDATA(string), len);
+ *(str+len) = '\0';
+
+ result = int2in(str);
+ PFREE(str);
+
+ return(result);
+} /* text_int2() */
+
+text *
+int4_text(int32 arg1)
+{
+ text *result;
+
+ int len;
+ char *str;
+
+ str = int4out(arg1);
+ len = (strlen(str) + VARHDRSZ);
+
+ result = PALLOC(len);
+
+ VARSIZE(result) = len;
+ memmove(VARDATA(result), str, (len - VARHDRSZ));
+
+ PFREE(str);
+
+ return(result);
+} /* int4_text() */
+
+int32
+text_int4(text *string)
+{
+ int32 result;
+
+ int len;
+ char *str;
+
+ len = (VARSIZE(string) - VARHDRSZ);
+
+ str = PALLOC(len+1);
+ memmove(str, VARDATA(string), len);
+ *(str+len) = '\0';
+
+ result = int4in(str);
+ PFREE(str);
+
+ return(result);
+} /* text_int4() */
+
/*
* =========================
--
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