From fb232f7e540b8b339b5a36358cad3d16f8cd7a2f Mon Sep 17 00:00:00 2001
From: "serg@serg.mylan" <>
Date: Mon, 25 Oct 2004 10:23:38 +0200
Subject: [PATCH] don't hang if the text contains illegal characters

---
 myisam/ft_parser.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/myisam/ft_parser.c b/myisam/ft_parser.c
index b0fe180d0fb..543cf998a82 100644
--- a/myisam/ft_parser.c
+++ b/myisam/ft_parser.c
@@ -174,7 +174,7 @@ byte ft_simple_get_word(CHARSET_INFO *cs, byte **start, byte *end,
                         FT_WORD *word)
 {
   byte *doc= *start;
-  uint mwc, length;
+  uint mwc, length, mbl;
   DBUG_ENTER("ft_simple_get_word");
 
   while (doc<end)
@@ -185,7 +185,7 @@ byte ft_simple_get_word(CHARSET_INFO *cs, byte **start, byte *end,
     }
 
     mwc= length= 0;
-    for (word->pos=doc; doc<end; length++, doc+=my_mbcharlen(cs, *(uchar *)doc))
+    for (word->pos=doc; doc<end; length++, mbl=my_mbcharlen(cs, *(uchar *)doc), doc+=(mbl ? mbl : 1))
       if (true_word_char(cs,*doc))
         mwc= 0;
       else if (!misc_word_char(*doc) || mwc++)