From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 11 Aug 1998 18:38:07 +0000 (+0000)
Subject:     the  following  patch fixes a bug in the oracle compatibility
X-Git-Tag: REL9_0_0~26803
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f22c6f9237d02267071a2edab212bd398014d733;p=pg-rex%2Fsyncrep.git

the  following  patch fixes a bug in the oracle compatibility
    functions btrim() ltrim() and rtrim().

    The error was that the character after the set  was  included
    in the tests (ptr2 pointed to the character after the vardata
    part of set if no match found,  so  comparing  *ptr  or  *end
    against *ptr2 MAY match -> strip).


Jan

--

#======================================================================#
# It's easier to get forgiveness for being wrong than for being
right. # # Let's break this rule - forgive me.
# #======================================== jwieck@debis.com (Jan
Wieck) #
---

diff --git a/src/backend/utils/adt/oracle_compat.c b/src/backend/utils/adt/oracle_compat.c
index d056652ed0..2297d3246c 100644
--- a/src/backend/utils/adt/oracle_compat.c
+++ b/src/backend/utils/adt/oracle_compat.c
@@ -1,7 +1,7 @@
 /*
  *	Edmund Mergl <E.Mergl@bawue.de>
  *
- *	$Id: oracle_compat.c,v 1.14 1998/06/15 19:29:36 momjian Exp $
+ *	$Id: oracle_compat.c,v 1.15 1998/08/11 18:38:07 momjian Exp $
  *
  */
 
@@ -297,7 +297,7 @@ btrim(text *string, text *set)
 				break;
 			++ptr2;
 		}
-		if (*ptr != *ptr2)
+		if (ptr2 > end2)
 			break;
 		ptr++;
 		ptr2 = VARDATA(set);
@@ -316,7 +316,7 @@ btrim(text *string, text *set)
 				break;
 			++ptr2;
 		}
-		if (*end != *ptr2)
+		if (ptr2 > end2)
 			break;
 		--end;
 		ptr2 = VARDATA(set);
@@ -374,7 +374,7 @@ ltrim(text *string, text *set)
 				break;
 			++ptr2;
 		}
-		if (*ptr != *ptr2)
+		if (ptr2 > end2)
 			break;
 		ptr++;
 		ptr2 = VARDATA(set);
@@ -434,7 +434,7 @@ rtrim(text *string, text *set)
 				break;
 			++ptr2;
 		}
-		if (*ptr != *ptr2)
+		if (ptr2 > end2)
 			break;
 		--ptr;
 		ptr2 = VARDATA(set);