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From 8e6dfd53321a0b0047f7d75db21a946c166c600b Mon Sep 17 00:00:00 2001
From: Christos Zoulas <christos@zoulas.com>
Date: Fri, 17 Feb 2017 11:17:27 -0500
Subject: [PATCH] Unfortunately the AsciiOnly reversion causes a SEGV because
 *ch is used to index in the command array, and now contains INVALID_BYTE. env
 -i ./tcsh <meta>b

---
 ed.inputl.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/ed.inputl.c b/ed.inputl.c
index f543a6f..1a0d356 100644
--- a/ed.inputl.c
+++ b/ed.inputl.c
@@ -796,13 +796,17 @@ GetNextChar(Char *cp)
 		return -1;
 	    }
 	}
-	cbp++;
-	if (normal_mbtowc(cp, cbuf, cbp) == -1) {
-	    reset_mbtowc();
-	    if (cbp < MB_CUR_MAX)
-		continue; /* Maybe a partial character */
-	    /* And drop the following bytes, if any */
-	    *cp = (unsigned char)*cbuf | INVALID_BYTE;
+	if (AsciiOnly) {
+	    *cp = (unsigned char)*cbuf;
+	} else {
+	    cbp++;
+	    if (normal_mbtowc(cp, cbuf, cbp) == -1) {
+		reset_mbtowc();
+		if (cbp < MB_CUR_MAX)
+		    continue; /* Maybe a partial character */
+		/* And drop the following bytes, if any */
+		*cp = (unsigned char)*cbuf | INVALID_BYTE;
+	    }
 	}
 	break;
     }
-- 
2.9.3