tcsh/SOURCES/tcsh-6.20.00-008-guard-ascii-only-reversion.patch

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2019-05-07 10:32:35 +00:00
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