From 4a8b32d910f43d31d2425e53c3b55c9976967e9c Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Fri, 16 Jul 1999 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1999-07-16

---
 pc/ether589.c   |  6 +++++-
 pc/etherelnk3.c |  8 ++++++--
 pc/vgas3.c      | 11 ++++++++++-
 port/chan.c     | 10 +++++-----
 port/devdraw.c  |  4 ++--
 port/devsrv.c   |  4 +++-
 port/lib.h      |  3 ++-
 7 files changed, 33 insertions(+), 13 deletions(-)

diff --git a/pc/ether589.c b/pc/ether589.c
index 791f422b4d4224d133e662a735ee27a1ac9bc4f3..f04e3403656ae3048ba49fe628b0db1b93fd57b2 100644
--- a/pc/ether589.c
+++ b/pc/ether589.c
@@ -123,12 +123,15 @@ reset(Ether* ether)
 	if(ioalloc(port, 0x10, 0, "3C589") < 0)
 		return -1;
 
-	if((slot = pcmspecial(ether->type, ether)) < 0)
+	if((slot = pcmspecial(ether->type, ether)) < 0){
+		iofree(port);
 		return -1;
+	}
 
 	/* try configuring as a 10BaseT */
 	if(configASIC(ether, port, xcvr10BaseT) < 0){
 		pcmspecialclose(slot);
+		iofree(port);
 		return -1;
 	}
 	delay(100);
@@ -143,6 +146,7 @@ reset(Ether* ether)
 	COMMAND(port, GlobalReset, 0);
 	if(configASIC(ether, port, xcvr10Base2) < 0){
 		pcmspecialclose(slot);
+		iofree(port);
 		return -1;
 	}
 	print("#l%d: xcvr10Base2 %s\n", ether->ctlrno, ether->type);
diff --git a/pc/etherelnk3.c b/pc/etherelnk3.c
index 19af50acdc79af4e63fa7d12ab15b192a6fdbf2d..e40a2b20222a02ddeeb1d0c2f1d402ee3b3697f9 100644
--- a/pc/etherelnk3.c
+++ b/pc/etherelnk3.c
@@ -1312,7 +1312,7 @@ tcm509isa(void)
 	 * it fully.
 	 */
 	while(port = activate()){
-		if(ioalloc(port, 0x20, 0, "tcm509isa") < 0){
+		if(ioalloc(port, 0x10, 0, "tcm509isa") < 0){
 			print("tcm509isa:port %d in use\n", port);
 			continue;
 		}
@@ -1436,8 +1436,12 @@ tcm5XXpcmcia(Ether* ether)
 
 	for(i = 0; tcmpcmcia[i] != nil; i++){
 		if(!cistrcmp(ether->type, tcmpcmcia[i])){
-			if(ioalloc(ether->port, 0x20, 0, "tcm5XXpcmcia") < 0)
+			/*
+			 * No need for an ioalloc here, the 589 reset
+			 * code deals with it.
+			if(ioalloc(ether->port, 0x10, 0, "tcm5XXpcmcia") < 0)
 				return 0;
+			 */
 			return ether->port;
 		}
 	}
diff --git a/pc/vgas3.c b/pc/vgas3.c
index a9d3bb164e64f6ee6b6e3407e5f683f78dc181aa..af7ffab39ef70d0b4a1adf844770d6bc980e35b2 100644
--- a/pc/vgas3.c
+++ b/pc/vgas3.c
@@ -64,12 +64,14 @@ s3page(VGAscr* scr, int page)
 static ulong
 s3linear(VGAscr* scr, int* size, int* align)
 {
-	ulong aperture, oaperture;
+	ulong aperture, oaperture, osize;
 	int oapsize, wasupamem;
 	Pcidev *p;
+	Physseg seg;
 
 	oaperture = scr->aperture;
 	oapsize = scr->apsize;
+	osize = *size;
 	wasupamem = scr->isupamem;
 	if(wasupamem)
 		upafree(oaperture, oapsize);
@@ -90,6 +92,13 @@ s3linear(VGAscr* scr, int* size, int* align)
 	else
 		scr->isupamem = 1;
 
+	memset(&seg, 0, sizeof(seg));
+	seg.attr = SG_PHYSICAL;
+	seg.name = smalloc(NAMELEN);
+	snprint(seg.name, NAMELEN, "s3screen");
+	seg.pa = aperture;
+	seg.size = osize;
+	addphysseg(&seg);
 	return aperture;
 }
 
diff --git a/port/chan.c b/port/chan.c
index 3b030658e73c9dc9096470062c304567c30eff05..49d714d1458c34c6a97ee6364ec8de72c160adb6 100644
--- a/port/chan.c
+++ b/port/chan.c
@@ -643,7 +643,7 @@ saveregisters(void)
  * In place, rewrite name to compress multiple /, eliminate ., and process ..
  */
 void
-cleanname(Cname *n, int offset)
+cleancname(Cname *n, int offset)
 {
 	char *p, *q, *dotdot, *name;
 	int rooted;
@@ -669,7 +669,7 @@ cleanname(Cname *n, int offset)
 			if(q > dotdot) {	/* can backtrack */
 				while(--q > dotdot && *q != '/')
 					;
-			} else if(!rooted) {	/* ``/..'' ≡ ``/'', but ``./../'' ≡ ``..'' */
+			} else if(!rooted) {	/* /.. is / but ./../ is .. */
 				if(q != name)
 					*q++ = '/';
 				*q++ = '.';
@@ -685,7 +685,7 @@ cleanname(Cname *n, int offset)
 	}
 	if(q == name)	/* empty string is really ``.'' */
 		*q++ = '.';
-	*q = 0;
+	*q = '\0';
 	n->len = (q-name) + offset;
 }
 
@@ -910,9 +910,9 @@ namec(char *name, int amode, int omode, ulong perm)
 	/* peculiar workaround for #/ */
 	if(newname){
 		if(cname->s[0]=='#' && cname->s[1]=='/')
-			cleanname(cname, 2);
+			cleancname(cname, 1);
 		else
-			cleanname(cname, 0);
+			cleancname(cname, 0);
 		cnameclose(c->name);
 		c->name = cname;
 	}else
diff --git a/port/devdraw.c b/port/devdraw.c
index f5e4a0827d61ab4e09196c78a2cf865670d59b77..039ff0e1784da4dd74c66da5550742aea0b0cc5f 100644
--- a/port/devdraw.c
+++ b/port/devdraw.c
@@ -1,9 +1,9 @@
 #include	"u.h"
-#include	"../port/lib.h"
+#include	"lib.h"
 #include	"mem.h"
 #include	"dat.h"
 #include	"fns.h"
-#include	"../port/error.h"
+#include	"error.h"
 
 #define	Image	IMAGE
 #include	<draw.h>
diff --git a/port/devsrv.c b/port/devsrv.c
index 80b001c3feb7252bc59a5ec116d554380f749d13..aac2072100ba4f5ffa317885011d7dd11cf82240 100644
--- a/port/devsrv.c
+++ b/port/devsrv.c
@@ -114,7 +114,7 @@ srvopen(Chan *c, int omode)
 		error(Eshutdown);
 
 	if(omode&OTRUNC)
-		error(Eperm);
+		error("srv file already exists");
 	if(openmode(omode)!=sp->chan->mode && sp->chan->mode!=ORDWR)
 		error(Eperm);
 
@@ -270,6 +270,8 @@ srvwrite(Chan *c, void *va, long n, vlong)
 		cclose(c1);
 		nexterror();
 	}
+	if(c1->flag & (CCEXEC|CRCLOSE))
+		error("posted fd has remove-on-close or close-on-exec");
 	sp = srvlookup(nil, c->qid.path);
 	if(sp == 0)
 		error(Enonexist);
diff --git a/port/lib.h b/port/lib.h
index 58349115330d8ed65b96e1ef19793e8133007a81..a904fc7614c153507f747c8d1d019c1420b4f0f9 100644
--- a/port/lib.h
+++ b/port/lib.h
@@ -66,7 +66,8 @@ extern	int	print(char*, ...);
 /*
  * one-of-a-kind
  */
-ulong	getcallerpc(void*);
+extern	char*	cleanname(char*);
+extern	ulong	getcallerpc(void*);
 extern	long	strtol(char*, char**, int);
 extern	ulong	strtoul(char*, char**, int);
 extern	vlong	strtoll(char*, char**, int);