cleanups spotted by irix cc

kern/devip-posix.c

@@ -72,7 +72,7 @@ so_connect(int fd, unsigned long raddr, unsigned short rport)
 void
 so_getsockname(int fd, unsigned long *laddr, unsigned short *lport)
 {
-	uint len;
+	socklen_t len;
 	struct sockaddr_in sin;
 
 	len = sizeof(sin);
@@ -97,7 +97,7 @@ int
 so_accept(int fd, unsigned long *raddr, unsigned short *rport)
 {
 	int nfd;
-	uint len;
+	socklen_t len;
 	struct sockaddr_in sin;
 
 	len = sizeof(sin);

kern/posix.c

@@ -126,6 +126,7 @@ tramp(void *vp)
 	/* BUG: leaks Proc */
 	pthread_setspecific(prdakey, 0);
 	pthread_exit(0);
+	return 0;
 }
 
 void
@@ -161,20 +162,32 @@ int randfd;
 void
 randominit(void)
 {
+#ifdef USE_RANDOM
+	srandom(getpid()+fastticks(nil)+ticks());
+#else
 	if((randfd = open("/dev/urandom", OREAD)) < 0)
 	if((randfd = open("/dev/random", OREAD)) < 0)
 		panic("open /dev/random: %r");
+#endif
 }
 
 #undef read
 ulong
 randomread(void *v, ulong n)
 {
+#ifdef USE_RANDOM
+	int i;
+
+	for(i=0; i<n; i++)
+		((uchar*)v)[i] = random();
+	return n;
+#else
 	int m;
 
 	if((m = read(randfd, v, n)) != n)
 		panic("short read from /dev/random: %d but %d", n, m);
 	return m;
+#endif
 }
 
 #undef time

kern/qio.c

@@ -1159,7 +1159,6 @@ long
 qbwrite(Queue *q, Block *b)
 {
 	int n, dowakeup;
-	Proc *p;
 
 	n = BLEN(b);
 
@@ -1222,10 +1221,11 @@ qbwrite(Queue *q, Block *b)
 
 	/* wakeup anyone consuming at the other end */
 	if(dowakeup){
-		p = wakeup(&q->rr);
+		wakeup(&q->rr);
 
 		/* if we just wokeup a higher priority process, let it run */
 	/*
+		p = wakeup(&q->rr);
 		if(p != nil && p->priority > up->priority)
 			sched();
 	 */

kern/term.c

@@ -27,10 +27,9 @@ extern Memimage *gscreen;
 static Rectangle flushr;
 static Rectangle window;
 static Point curpos;
-static int h, w;
+static int h;
 static void	termscreenputs(char*, int);
 
-Point ZP;
 
 static void
 screenflush(void)
@@ -51,7 +50,7 @@ addflush(Rectangle r)
 static void
 screenwin(void)
 {
-	Point p, q;
+	Point p;
 	char *greet;
 	Memimage *grey;
 
@@ -60,7 +59,6 @@ screenwin(void)
 	conscol = memblack;
 	memfillcolor(gscreen, 0x444488FF);
 	
-	w = memdefont->info[' '].width;
 	h = memdefont->height;
 
 	window.min = addpt(gscreen->r.min, Pt(20,20));
@@ -83,7 +81,6 @@ screenwin(void)
 
 	greet = " Plan 9 Console ";
 	p = addpt(window.min, Pt(10, 0));
-	q = memsubfontwidth(memdefont, greet);
 	memimagestring(gscreen, p, conscol, ZP, memdefont, greet);
 	window.min.y += h+6;
 	curpos = window.min;