From 31e69ccb210cf49712f77facbf90661d8bc2eed5 Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Tue, 11 Mar 2003 21:01:33 +0000
Subject: Add explicit tests for division by zero to all user-accessible
 integer division and modulo functions, to avoid problems on OS X (which fails
 to trap 0 divide at all) and Windows (which traps it in some bizarre
 nonstandard fashion).  Standardize on 'division by zero' as the one true
 spelling of this error message.  Add regression tests as suggested by Neil
 Conway.

---
 src/backend/utils/adt/cash.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'src/backend/utils/adt/cash.c')

diff --git a/src/backend/utils/adt/cash.c b/src/backend/utils/adt/cash.c
index c33bca654e8..f210f4258f0 100644
--- a/src/backend/utils/adt/cash.c
+++ b/src/backend/utils/adt/cash.c
@@ -9,7 +9,7 @@
  * workings can be found in the book "Software Solutions in C" by
  * Dale Schumacher, Academic Press, ISBN: 0-12-632360-7.
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.56 2002/09/04 20:31:27 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.57 2003/03/11 21:01:33 tgl Exp $
  */
 
 #include "postgres.h"
@@ -442,7 +442,7 @@ cash_div_flt8(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (f == 0.0)
-		elog(ERROR, "cash_div:  divide by 0.0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / f);
 	PG_RETURN_CASH(result);
@@ -492,7 +492,7 @@ cash_div_flt4(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (f == 0.0)
-		elog(ERROR, "cash_div:  divide by 0.0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / f);
 	PG_RETURN_CASH(result);
@@ -543,7 +543,7 @@ cash_div_int4(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (i == 0)
-		elog(ERROR, "cash_div_int4: divide by 0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / i);
 
@@ -593,7 +593,7 @@ cash_div_int2(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (s == 0)
-		elog(ERROR, "cash_div:  divide by 0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / s);
 	PG_RETURN_CASH(result);
-- 
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