From c7ec9d5377827015a106ebfc1f7153665d4a548a Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Wed, 20 Sep 1995 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1995-09-20

---
 pc/dat.h  |  6 ++++++
 pc/main.c | 19 ++++++++++++++++---
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/pc/dat.h b/pc/dat.h
index 8adb080616f651b8b95dba49d99cfa6302848ab1..71a274c0e8100996c36e04dc4992ca33f328e349 100644
--- a/pc/dat.h
+++ b/pc/dat.h
@@ -182,6 +182,9 @@ struct PCArch
 /*
  *  a parsed plan9.ini line
  */
+#define ISAOPTLEN	16
+#define NISAOPT		8
+
 struct ISAConf {
 	char	type[NAMELEN];
 	ulong	port;
@@ -191,6 +194,9 @@ struct ISAConf {
 	ulong	size;
 	ulong	freq;
 	uchar	ea[6];
+
+	int	nopt;
+	char	opt[NISAOPT][ISAOPTLEN];
 };
 
 /*
diff --git a/pc/main.c b/pc/main.c
index d14f2033b6ee517fee2a0b3e58eb27ba379aa8ee..f1c259a2697178a6e4721054e6cfe0129b533ab9 100644
--- a/pc/main.c
+++ b/pc/main.c
@@ -728,13 +728,14 @@ parseether(uchar *to, char *from)
 int
 isaconfig(char *class, int ctlrno, ISAConf *isa)
 {
-	char cc[NAMELEN], *p, *q;
+	char cc[NAMELEN], *p, *q, *r;
 	int n;
 
 	sprint(cc, "%s%d", class, ctlrno);
 	for(n = 0; n < nconf; n++){
 		if(strncmp(confname[n], cc, NAMELEN))
 			continue;
+		isa->nopt = 0;
 		p = confval[n];
 		while(*p){
 			while(*p == ' ' || *p == '\t')
@@ -762,8 +763,20 @@ isaconfig(char *class, int ctlrno, ISAConf *isa)
 				isa->size = strtoul(p+5, &p, 0);
 			else if(strncmp(p, "freq=", 5) == 0)
 				isa->freq = strtoul(p+5, &p, 0);
-			else if(strncmp(p, "ea=", 3) == 0)
-				parseether(isa->ea, p+3);
+			else if(strncmp(p, "ea=", 3) == 0){
+				if(parseether(isa->ea, p+3) == -1)
+					memset(isa->ea, 0, 6);
+			}
+			else if(isa->nopt < NISAOPT){
+				r = isa->opt[isa->nopt];
+				while(*p && *p != ' ' && *p != '\t'){
+					*r++ = *p++;
+					if(r-isa->opt[isa->nopt] >= ISAOPTLEN-1)
+						break;
+				}
+				*r = '\0';
+				isa->nopt++;
+			}
 			while(*p && *p != ' ' && *p != '\t')
 				p++;
 		}