From: Martin Mares <mj@ucw.cz>
Date: Wed, 14 Sep 2005 09:20:02 +0000 (+0000)
Subject: out[-pos] need not equal *(out-pos) if pointers are 64-bit and pos is 32-bit.
X-Git-Tag: holmes-import~742
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=2701ee1bcfe28449a58be93ba044448d3089d387;p=libucw.git

out[-pos] need not equal *(out-pos) if pointers are 64-bit and pos is 32-bit.
---

diff --git a/lib/lizard.c b/lib/lizard.c
index 6167fee0..b9f80486 100644
--- a/lib/lizard.c
+++ b/lib/lizard.c
@@ -380,7 +380,8 @@ lizard_decompress(byte *in, byte *out)
     else
     {						/* overlapping */
       for (; len-- > 0; out++)
-	*out = out[-pos];
+	*out = *(out-pos);
+      /* It's tempting to use out[-pos] above, but unfortunately it's not the same */
     }
     /* extract the copy-bits */
     len = in[-2] & 0x3;