From b1476ce53460e87dc068a01011d3b1cf30540bb4 Mon Sep 17 00:00:00 2001
From: vda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Sun, 31 Dec 2006 19:36:01 +0000
Subject: less: fix <tab><backspace> buglet
git-svn-id: svn://busybox.net/trunk/busybox@17121 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
miscutils/less.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/miscutils/less.c b/miscutils/less.c
index ae936c2fb..20da02208 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -212,13 +212,13 @@ static void read_lines(void)
}
}
c = readbuf[readpos];
- /* backspace? [need this for manpage display] */
- if (c == '\x8' && linepos) {
+ /* backspace? [needed for manpages] */
+ /* <tab><bs> is (a) insane and */
+ /* (b) harder to do correctly, so we refuse to do it */
+ if (c == '\x8' && linepos && p[-1] != '\t') {
readpos++; /* eat it */
- /* We do not consider the case of <tab><bs> */
- /* Anyone who has that is pure evil :) */
linepos--;
- *p-- = '\0';
+ *--p = '\0';
continue;
}
if (c == '\t')
--
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