From 2763a6d8324fc5e1296e9a50a067ec04d52c581f Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Tue, 21 Oct 2014 07:25:13 -0400
Subject: venti/copy: fix bug writing directories that zero truncate

Found by nwf.

TBR=rsc
https://codereview.appspot.com/162860045
---
 CONTRIBUTORS         | 1 +
 src/cmd/venti/copy.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 36522a1d..0b9a5415 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -37,6 +37,7 @@ Mathieu Lonjaret <lejatorn@gmail.com>
 Mathieu Lonjaret <mathieu.lonjaret@gmail.com>
 Michael Teichgräber <mt4swm@googlemail.com>
 Michael Teichgräber <mt@ib.wmipf.de>
+Nathaniel W Filardo <nwf@cs.jhu.edu> <nwfilardo@gmail.com>
 Nikolai Saoukh <nikolai.saoukh@gmail.com>
 Yuval Pavel Zholkover <paulzhol@gmail.com>
 Peter Saveliev <svinota.saveliev@gmail.com>
diff --git a/src/cmd/venti/copy.c b/src/cmd/venti/copy.c
index 8c791f2a..d6d770bc 100644
--- a/src/cmd/venti/copy.c
+++ b/src/cmd/venti/copy.c
@@ -136,7 +136,7 @@ walk(uchar score[VtScoreSize], uint type, int base, int depth)
 		break;
 
 	case VtDirType:
-		for(i=0; i<n/VtEntrySize; i++){
+		for(i=0; i*VtEntrySize < n; i++){
 			if(vtentryunpack(&e, buf, i) < 0){
 				fprint(2, "warning: could not unpack entry #%d in %V %d\n", i, score, type);
 				continue;
-- 
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