From: Peter Eisentraut <peter_e@gmx.net>
Date: Fri, 25 Sep 2009 20:51:37 +0000 (+0000)
Subject: Remove backup states from Unicode escapes patch
X-Git-Tag: REL8_5_ALPHA2~68
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ada0116e56ae35bb25e45216319d90973ab26e8a;p=thirdparty%2Fpostgresql.git

Remove backup states from Unicode escapes patch
---

diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l
index fcfe2b3c403..70b595a6fa7 100644
--- a/src/backend/parser/scan.l
+++ b/src/backend/parser/scan.l
@@ -24,7 +24,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.159 2009/09/22 23:52:53 petere Exp $
+ *	  $PostgreSQL: pgsql/src/backend/parser/scan.l,v 1.160 2009/09/25 20:51:37 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -231,7 +231,7 @@ xeescape		[\\][^0-7]
 xeoctesc		[\\][0-7]{1,3}
 xehexesc		[\\]x[0-9A-Fa-f]{1,2}
 xeunicode		[\\](u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})
-xeunicodebad	[\\]([uU])
+xeunicodefail	[\\](u[0-9A-Fa-f]{0,3}|U[0-9A-Fa-f]{0,7})
 
 /* Extended quote
  * xqdouble implements embedded quote, ''''
@@ -575,7 +575,7 @@ other			.
 <xeu>\n			|
 <xeu><<EOF>>	{ yyerror("invalid Unicode surrogate pair"); }
 
-<xe>{xeunicodebad}	{
+<xe,xeu>{xeunicodefail}	{
 						ereport(ERROR,
 								(errcode(ERRCODE_INVALID_ESCAPE_SEQUENCE),
 								 errmsg("invalid Unicode escape"),