From 70f3a4e31d398db7b768e6c8696ec85af68a25af Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Thu, 2 Feb 2006 12:46:51 +0000
Subject: (decode_composition_emacs_mule): Fix handling of incorrect format
 data.

---
 src/coding.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/coding.c b/src/coding.c
index 5985e895ef6..385481d1a63 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -872,7 +872,7 @@ decode_composition_emacs_mule (coding, src, src_end,
 	  component[ncomponent] = c;
 	}
     }
-  else
+  else if (c >= 0x80)
     {
       /* This may be an old Emacs 20 style format.  See the comment at
 	 the section 2 of this file.  */
@@ -924,6 +924,8 @@ decode_composition_emacs_mule (coding, src, src_end,
       else
 	return 0;
     }
+  else
+    return 0;
 
   if (buf == bufp || dst + (bufp - buf) <= (dst_bytes ? dst_end : src))
     {
-- 
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