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PATCH: fix for multibyte counting

X-seq: zsh-workers 22522
From: Peter Stephenson <pws@xxxxxxx>
To: zsh-workers@xxxxxxxxxx (Zsh hackers list)
Subject: PATCH: fix for multibyte counting
Date: Tue, 27 Jun 2006 12:55:47 +0100
Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm

It's possible to get into an infinite loop with invalid multibyte
characters in mb_metastrlen().

Index: Src/utils.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/utils.c,v
retrieving revision 1.123
diff -u -r1.123 utils.c
--- Src/utils.c	26 Jun 2006 18:17:32 -0000	1.123
+++ Src/utils.c	27 Jun 2006 11:53:19 -0000
@@ -3778,8 +3778,8 @@
 		/* Reset, treat as single character */
 		memset(&mb_shiftstate, 0, sizeof(mb_shiftstate));
 		ptr = laststart + (*laststart == Meta) + 1;
-	    } else
-		laststart = ptr;
+	    }
+	    laststart = ptr;
 	    num++;
 	    num_in_char = 0;
 	}

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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