From b46c52d65c18534ef865ae54cbce66f559fa9468 Mon Sep 17 00:00:00 2001
From: Johan Wikman <johan.wikman@mariadb.com>
Date: Tue, 27 Feb 2018 18:50:18 +0200
Subject: [PATCH] MXS-1684 Match space+linefeed as linefeed

A linefeed is whitespace, so given the rules

  "\n"+    return '\n'
  {SPACE}  ;

a line consisting of space followed by a linefeed, will be matched
as space and not as a linefeed and hence will cause the parser to
barf.
---
 server/modules/filter/dbfwfilter/token.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/modules/filter/dbfwfilter/token.l b/server/modules/filter/dbfwfilter/token.l
index 324e2cbf5..c27c02c76 100644
--- a/server/modules/filter/dbfwfilter/token.l
+++ b/server/modules/filter/dbfwfilter/token.l
@@ -36,7 +36,7 @@ USTR        [%-_[:alnum:][:punct:]]+
 CMP         [=<>!]+
 
 %%
-"\n"+           return '\n';
+{SPACE}"\n"+    return '\n';
 {COMMENT}       return FWTOK_COMMENT;
 deny|allow      return FWTOK_DENY; /** This should be removed at some point */
 rule            return FWTOK_RULE;