From 8e802def740929fe55d0dc9a6d320c3e35a90a14 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Fri, 14 Feb 1992 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1992-02-14

---
 port/devarp.c | 28 ++++++++++++++--------------
 port/devbit.c |  4 ++--
 port/ipdat.h  |  3 ++-
 port/stip.c   |  6 ++----
 4 files changed, 20 insertions(+), 21 deletions(-)

diff --git a/port/devarp.c b/port/devarp.c
index faa34c30269277e46bfce80dd0724c79c672068b..2a915e654ee27be039a02bb5079ff0a5642346cf 100644
--- a/port/devarp.c
+++ b/port/devarp.c
@@ -320,19 +320,20 @@ arpoput(Queue *q, Block *bp)
 		return;
 	}
 
-	if(!Servq) {
-		if((dropped++ % 1000) == 0)
-			print("arp: No server, packet dropped\n");
-		freeb(bp);
-		return;
-	}
-
 	eh = (Etherhdr *)bp->rptr;
 	if(nhgets(eh->type) != ET_IP) {
 		PUTNEXT(q, bp);	
 		return;
 	}
 
+	/* if ip broadcast, use ether bcast address */
+	addr = nhgetl(eh->dst);
+	if(addr == Myip[Mybcast] || addr == Myip[Mynet] || addr == Myip[Mysubnet]){
+		memset(eh->d, 0xff, sizeof(eh->d));
+		PUTNEXT(q, bp);
+		return;
+	}
+
 	iproute(eh->dst, ip);
 
 	/* if a known ip addr, send downstream to the ethernet */
@@ -341,15 +342,14 @@ arpoput(Queue *q, Block *bp)
 		return;
 	}
 
-	/* if ip broadcast, use ether bcast address */
-	addr = nhgetl(eh->dst);
-	if(addr == Myip[Mybcast] || addr == Myip[Mynet] || addr == Myip[Mysubnet]){
-		memset(eh->d, 0xff, sizeof(eh->d));
-		PUTNEXT(q, bp);
+	/* Push the packet up to the arp server for address resolution */
+	if(!Servq) {
+		if((dropped++ % 1000) == 0)
+			print("arp: No server, packet dropped %d.%d.%d.%d\n",
+				eh->dst[0], eh->dst[1], eh->dst[2], eh->dst[3]);
+		freeb(bp);
 		return;
 	}
-
-	/* Push the packet up to the arp server for address resolution */
 	memmove(eh->d, ip, sizeof(ip));
 	PUTNEXT(Servq, bp);
 }
diff --git a/port/devbit.c b/port/devbit.c
index 6a115c1ad27bc88059b9e9baaf3843860811cab4..9b73b421d57cae6b5826f2a0c181b6347fef7fc7 100644
--- a/port/devbit.c
+++ b/port/devbit.c
@@ -1336,8 +1336,8 @@ bitloadchar(GFont *f, int ci, GSubfont *subf, int si)
 	rect.min.y = 0;
 	rect.max.y = f->height;
 	rect.min.x = c->x;
-	rect.max.x = c->xright;
-	gbitblt(f->b, Pt(c->x, 0), subf->bits, rect, 0);
+	rect.max.x = c->x+f->width;
+	gbitblt(f->b, rect.min, f->b, rect, 0);
 	rect.min.x = fi->x;
 	rect.max.x = (fi+1)->x;
 	gbitblt(f->b, Pt(c->x, f->ascent-subf->ascent), subf->bits, rect, S);
diff --git a/port/ipdat.h b/port/ipdat.h
index 4a65644425f64167ddedbd70d4f7cd214d144d5b..3719b681ebd70ae8824be0ba8906431f3b48a540 100644
--- a/port/ipdat.h
+++ b/port/ipdat.h
@@ -493,6 +493,7 @@ void	iplocalfill(Chan*, char*, int);
 void	ipremotefill(Chan*, char*, int);
 void	ipstatusfill(Chan*, char*, int);
 int	ipforme(uchar*);
+void	ipsetaddrs(void);
 
 #define	fmtaddr(xx)	(xx>>24)&0xff,(xx>>16)&0xff,(xx>>8)&0xff,xx&0xff
 #define	MIN(a, b)	((a) < (b) ? (a) : (b))
@@ -503,7 +504,7 @@ int	ipforme(uchar*);
 
 #define WORKBUF		64
 
-extern Ipaddr Myip[4];
+extern Ipaddr Myip[7];
 extern Ipaddr Mymask;
 extern Ipaddr classmask[4];
 extern Ipconv *ipconv[];
diff --git a/port/stip.c b/port/stip.c
index 5b2d3d8ba4a354dc469fd11a324cb70aa63aa12b..7c77a4f1d2dc00bed3f78f48953bff0fa137ab71 100644
--- a/port/stip.c
+++ b/port/stip.c
@@ -26,19 +26,17 @@ QLock		fraglock;
 
 Queue 		*Etherq;
 
-Ipaddr		Myip[4];
+Ipaddr		Myip[7];
 Ipaddr		Mymask;
 Ipaddr		Mynetmask;
 uchar		Netmyip[4];	/* In Network byte order */
 uchar		bcast[4] = { 0xff, 0xff, 0xff, 0xff };
-Ipaddr		Me[7];		/* possible addresses for me */
 
 /* Predeclaration */
 static void	ipetherclose(Queue*);
 static void	ipetheriput(Queue*, Block*);
 static void	ipetheropen(Queue*, Stream*);
 static void	ipetheroput(Queue*, Block*);
-static void	ipsetaddrs(void);
 
 /*
  *  the ethernet multiplexor stream module definition
@@ -361,7 +359,7 @@ drop:
 void
 ipsetaddrs(void)
 {
-	Myip[1] = ~0;					/* local broadcast */
+	Myip[Mybcast] = ~0;				/* local broadcast */
 	Myip[2] = 0;					/* local broadcast - old */
 	Myip[Mysubnet] = Myip[Myself] | ~Mynetmask;	/* subnet broadcast */
 	Myip[Mysubnet+1] = Myip[Myself] & Mynetmask;	/* subnet broadcast - old */