--- ray/src/px/oki20c.c	1989/10/20 16:44:34	1.6
+++ ray/src/px/oki20c.c	1990/07/10 09:07:48	1.9
@@ -24,7 +24,15 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #define  sub_add(sub)	(2-(sub))	/* map subtractive to additive pri. */
 
+#ifdef  BSD
+#define  clearlbuf()	bzero((char *)lpat, sizeof(lpat))
+#else
+#define  clearlbuf()	(void)memset((char *)lpat, 0, sizeof(lpat))
+#endif
 
+long  lpat[NCOLS][3];
+
+
 main(argc, argv)
 int  argc;
 char  *argv[];
@@ -68,13 +76,15 @@ char  *fname;
 	}
 				/* set line spacing (overlap for knitting) */
 	fputs("\0333\042", stdout);
+				/* clear line buffer */
+	clearlbuf();
 				/* put out scanlines */
 	for (i = yres-1; i >= 0; i--) {
 		if (freadcolrs(scanline, xres, input) < 0) {
 			fprintf(stderr, "%s: read error (y=%d)\n", fname, i);
 			return(-1);
 		}
-		normscan(scanline, xres);
+		normcolrs(scanline, xres, 0);
 		plotscan(scanline, xres, i);
 	}
 				/* advance page */
@@ -86,23 +96,11 @@ char  *fname;
 }
 
 
-normscan(scan, len)			/* normalize a scanline */
-register COLR  scan[];
-int  len;
-{
-	register int  i;
-
-	for (i = 0; i < len; i++)
-		colr_norm(scan[i], scan[i]);
-}
-
-
 plotscan(scan, len, y)			/* plot a scanline */
 COLR  scan[];
 int  len;
 int  y;
 {
-	static long  pat[NCOLS][3];
 	int  bpos;
 	register long  c;
 	register int  i, j;
@@ -111,7 +109,7 @@ int  y;
 
 		for (j = 0; j < 3; j++)
 			for (i = 0; i < len; i++)
-				pat[i][j] |= (long)colbit(scan[i],i,j) << bpos;
+				lpat[i][j] |= (long)colbit(scan[i],i,j) << bpos;
 
 	} else {
 
@@ -122,9 +120,9 @@ int  y;
 			putchar(len & 255);
 			putchar(len >> 8);
 			for (i = 0; i < len; i++) {
-				c = pat[i][j] | colbit(scan[i],i,j);
+				c = lpat[i][j] | colbit(scan[i],i,j);
 							/* repeat this row */
-				pat[i][j] = (c & 1) << 23;
+				lpat[i][j] = (c & 1) << 23;
 				putchar(c>>16);
 				putchar(c>>8 & 255);
 				putchar(c & 255);