plan9port

commit fd0a0b2a6216ae9b1773da719c3c0e53ff2e87c8
parent ee85defda48d1d6b7c18b9fab7140c6598d2f658
Author: Russ Cox <rsc@swtch.com>
Date:   Wed,  4 Feb 2009 21:55:03 -0800

venti/copy: no rewriting unless rewrite flag is set (Nathaniel W Filardo)

Diffstat:
M
src/cmd/venti/copy.c
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/cmd/venti/copy.c b/src/cmd/venti/copy.c
@@ -55,7 +55,8 @@ walk(uchar score[VtScoreSize], uint type, int base)
 		}
 		walk(root.score, VtDirType, 0);
 		walk(root.prev, VtRootType, 0);
-		vtrootpack(&root, buf);	/* walk might have changed score */
+		if(rewrite)
+			vtrootpack(&root, buf);	/* walk might have changed score */
 		break;
 
 	case VtDirType:
@@ -67,7 +68,8 @@ walk(uchar score[VtScoreSize], uint type, int base)
 			if(!(e.flags & VtEntryActive))
 				continue;
 			walk(e.score, e.type, e.type&VtTypeBaseMask);
-			vtentrypack(&e, buf, i);
+			if(rewrite)
+				vtentrypack(&e, buf, i);
 		}
 		break;