From 6130dd0b1c2c138b6b604fbf123c60fbfae1853b Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sun, 24 Mar 2002 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2002-03-24

---
 ip/devip.c | 8 ++++++--
 ip/ip.h    | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/ip/devip.c b/ip/devip.c
index aaa904d1ebb29ddd1de53d34a1db57cc67fc06a5..263de0b13da78a392f76bc94b9b36b0cbc4a4427 100644
--- a/ip/devip.c
+++ b/ip/devip.c
@@ -166,6 +166,7 @@ ip1gen(Chan *c, int i, Dir *dp)
 	case Qndb:
 		p = "ndb";
 		len = strlen(f->ndb);
+		q.vers = f->ndbvers;
 		break;
 	case Qiproute:
 		p = "iproute";
@@ -381,10 +382,12 @@ ipopen(Chan* c, int omode)
 	default:
 		break;
 	case Qndb:
-		if(omode & (OWRITE|OTRUNC) && !iseve())
+		if((omode & (OWRITE|OTRUNC)) && !iseve())
 			error(Eperm);
-		if((omode & (OWRITE|OTRUNC)) == (OWRITE|OTRUNC))
+		if((omode & (OWRITE|OTRUNC)) == (OWRITE|OTRUNC)){
 			f->ndb[0] = 0;
+			f->ndbvers++;
+		}
 		break;
 	case Qlog:
 		netlogopen(f);
@@ -1370,6 +1373,7 @@ ndbwrite(Fs *f, char *a, ulong off, int n)
 		error(Eio);
 	memmove(f->ndb+off, a, n);
 	f->ndb[off+n] = 0;
+	f->ndbvers++;
 	return n;
 }
 
diff --git a/ip/ip.h b/ip/ip.h
index e40ae72a357d9389ba93693fadc16fe777609b24..86a33819087a75bf77d57db442d9684555c1dea7 100644
--- a/ip/ip.h
+++ b/ip/ip.h
@@ -293,6 +293,7 @@ struct Fs
 	Ifclog	*ilog;
 
 	char	ndb[1024];		/* an ndb entry for this interface */
+	int	ndbvers;
 };
 
 int	Fsconnected(Conv*, char*);