From 904a2edd5c4fdf7a584252b3f0e1fe21bd4f7f1f Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Wed, 16 Aug 2000 01:36:35 +0000
Subject: [PATCH] (CCL_WRITE_CHAR): If CH is eight-bit-control char, decrement
 dst_end to avoid buffer overflow in the later call of string_as_multibyte

---
 src/ccl.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/ccl.c b/src/ccl.c
index c99c0a5414c..c56798f1a5f 100644
--- a/src/ccl.c
+++ b/src/ccl.c
@@ -685,7 +685,13 @@ static tr_stack *mapping_stack_pointer;
 	      *dst++ = '\n';					\
 	  }							\
 	else if (bytes == 1)					\
-	  *dst++ = (ch);					\
+	  {							\
+	    *dst++ = (ch);					\
+	    if ((ch) >= 0x80 && (ch) < 0xA0)			\
+	      /* We may have to convert this eight-bit char to	\
+		 multibyte form later.  */			\
+	      dst_end--;					\
+	  }							\
 	else							\
 	  dst += CHAR_STRING (ch, dst);				\
       }								\
-- 
2.39.2