From 7487494c9daa00738fc9dea2c8969e4ab6745a53 Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Wed, 9 Jul 2003 02:16:17 +0000
Subject: [PATCH] (decode_coding_sjis): Check bytes more rigidly.

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

diff --git a/src/coding.c b/src/coding.c
index 908a78f2c8a..e5f1ae82cd5 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -3987,12 +3987,14 @@ decode_coding_sjis (coding)
 		  SJIS_TO_JIS (c);
 		  charset = charset_kanji;
 		}
-	      else
+	      else if (c > 0xA0)
 		{
 		  /* SJIS -> JISX0201-Kana */
 		  c &= 0x7F;
 		  charset = charset_kana;
 		}
+	      else
+		goto invalid_code;
 	    }
 	  if (charset->id != charset_ascii
 	      && last_id != charset->id)
-- 
2.39.5