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From: Chris Lamb <lamby@debian.org>
Date: Fri, 12 May 2017 10:58:54 +0200
Subject: Prevent undefined behaviour in memcpy parameter overlap.
On i386 (but not armhf or amd64), docbook-to-man inserts random
characters into the output. e.g. it will sometimes generate an "I"
instead of a literal tab.
Thanks to Chris West <solo-debianbugs@goeswhere.com> and Yuri Gribov
<tetra2005@gmail.com>
Debian-Bugs: #842635 #858389
---
Instant/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Instant/main.c b/Instant/main.c
index 64a5e96..0341670 100644
--- a/Instant/main.c
+++ b/Instant/main.c
@@ -796,7 +796,7 @@ ReadESIS(
if ( ! buf[2] )
break;
buf[0] = ' ';
- memcpy(&buf[1], &buf[2], strlen(buf)-1);
+ memmove(&buf[1], &buf[2], strlen(buf)-1);
}
cont[ncont].ch.data = strdup(buf);
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