--- ray/src/rt/raycalls.c	2003/02/22 02:07:29	2.1
+++ ray/src/rt/raycalls.c	2003/06/30 18:19:53	2.5
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: raycalls.c,v 2.1 2003/02/22 02:07:29 greg Exp $";
+static const char	RCSid[] = "$Id: raycalls.c,v 2.5 2003/06/30 18:19:53 greg Exp $";
 #endif
 /*
  *  raycalls.c - interface for running Radiance rendering as a library
@@ -7,62 +7,7 @@ static const char	RCSid[] = "$Id: raycalls.c,v 2.1 200
  *  External symbols declared in ray.h
  */
 
-/* ====================================================================
- * The Radiance Software License, Version 1.0
- *
- * Copyright (c) 1990 - 2002 The Regents of the University of California,
- * through Lawrence Berkeley National Laboratory.   All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *         notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- *           if any, must include the following acknowledgment:
- *             "This product includes Radiance software
- *                 (http://radsite.lbl.gov/)
- *                 developed by the Lawrence Berkeley National Laboratory
- *               (http://www.lbl.gov/)."
- *       Alternately, this acknowledgment may appear in the software itself,
- *       if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
- *       and "The Regents of the University of California" must
- *       not be used to endorse or promote products derived from this
- *       software without prior written permission. For written
- *       permission, please contact radiance@radsite.lbl.gov.
- *
- * 5. Products derived from this software may not be called "Radiance",
- *       nor may "Radiance" appear in their name, without prior written
- *       permission of Lawrence Berkeley National Laboratory.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
- * information on Lawrence Berkeley National Laboratory, please see
- * <http://www.lbl.gov/>.
- */
+#include "copyright.h"
 
 /*
  *  These routines are designed to aid the programmer who wishes
@@ -133,7 +78,7 @@ static const char	RCSid[] = "$Id: raycalls.c,v 2.1 200
  *  restarted at any point by calling ray_init() on a new
  *  octree.
  *
- *  The call ray_save(rp) allocates and returns a buffer
+ *  The call ray_save(rp) fills a parameter structure
  *  with the current global parameter settings, which may be
  *  restored at any time with a call to ray_restore(rp).
  *  This buffer contains no linked information, and thus
@@ -145,18 +90,14 @@ static const char	RCSid[] = "$Id: raycalls.c,v 2.1 200
  *  same as the defaults for rtrace.)
  */
 
-#include  "ray.h"
+#include <string.h>
 
+#include  "ray.h"
 #include  "source.h"
-
 #include  "ambient.h"
-
 #include  "otypes.h"
-
 #include  "random.h"
-
 #include  "data.h"
-
 #include  "font.h"
 
 char	*progname = "unknown_app";	/* caller sets to argv[0] */
@@ -222,8 +163,7 @@ char	*otnm;
 	if (ofun[OBJ_SPHERE].funp == o_default)
 		initotypes();
 					/* initialize urand */
-	if (urperm == NULL)
-		initurand(2048);
+	initurand(2048);
 					/* read scene octree */
 	readoct(octname = otnm, ~(IO_FILES|IO_INFO), &thescene, NULL);
 	nsceneobjs = nobjects;
@@ -234,9 +174,9 @@ char	*otnm;
 					/* ready to go... */
 }
 
-
 void
-ray_trace(RAY *r)		/* trace a primary ray */
+ray_trace(r)			/* trace a primary ray */
+RAY	*r;
 {
 	rayorigin(r, NULL, PRIMARY, 1.0);
 	samplendx++;
@@ -297,7 +237,7 @@ RAYPARAMS	*rp;
 	rp->maxdepth = maxdepth;
 	rp->minweight = minweight;
 	copycolor(rp->ambval, ambval);
-	bzero(rp->ambfile, sizeof(rp->ambfile));
+	memset(rp->ambfile, '\0', sizeof(rp->ambfile));
 	if (ambfile != NULL)
 		strncpy(rp->ambfile, ambfile, sizeof(rp->ambfile)-1);
 	rp->ambvwt = ambvwt;
@@ -307,7 +247,7 @@ RAYPARAMS	*rp;
 	rp->ambssamp = ambssamp;
 	rp->ambounce = ambounce;
 	rp->ambincl = ambincl;
-	bzero(rp->amblval, sizeof(rp->amblval));
+	memset(rp->amblval, '\0', sizeof(rp->amblval));
 	ndx = 0;
 	for (i = 0; i < AMBLLEN && amblist[i] != NULL; i++) {
 		int	len = strlen(amblist[i]);
@@ -415,7 +355,7 @@ RAYPARAMS	*rp;
 	rp->maxdepth = 6;
 	rp->minweight = 4e-3;
 	setcolor(rp->ambval, 0., 0., 0.);
-	bzero(rp->ambfile, sizeof(rp->ambfile));
+	memset(rp->ambfile, '\0', sizeof(rp->ambfile));
 	rp->ambvwt = 0;
 	rp->ambres = 128;
 	rp->ambacc = 0.2;
@@ -423,7 +363,7 @@ RAYPARAMS	*rp;
 	rp->ambssamp = 0;
 	rp->ambounce = 0;
 	rp->ambincl = -1;
-	bzero(rp->amblval, sizeof(rp->amblval));
+	memset(rp->amblval, '\0', sizeof(rp->amblval));
 	for (i = AMBLLEN+1; i--; )
 		rp->amblndx[i] = -1;
 }