--- ray/src/hd/rhd_geom.c	1999/01/01 10:41:28	3.5
+++ ray/src/hd/rhd_geom.c	2003/02/22 02:07:24	3.9
@@ -1,9 +1,6 @@
-/* Copyright (c) 1999 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: rhd_geom.c,v 3.9 2003/02/22 02:07:24 greg Exp $";
 #endif
-
 /*
  * Geometry drawing operations for OpenGL driver.
  */
@@ -19,6 +16,7 @@ static char SCCSid[] = "$SunId$ SGI";
 #endif
 
 int	gmPortals = 0;			/* current portal GL list id */
+static int	Nlists = 0;		/* number of lists allocated */
 static char	*curportlist[MAXPORT];	/* current portal list */
 static char	*newportlist[MAXPORT];	/* new portal file list */
 
@@ -27,13 +25,14 @@ static struct gmEntry {
 	FVECT	cent;			/* centroid */
 	FLOAT	rad;			/* radius */
 	int	listid;			/* display list identifier */
+	int	nlists;			/* number of lists allocated */
 } gmCurrent[MAXGEO], gmNext[MAXGEO];	/* current and next list */
 
 #define FORALLGEOM(ot,i)	for (i=0;i<MAXGEO&&ot[i].gfile!=NULL;i++)
 
 #define FORALLPORT(pl,i)		for (i=0;i<MAXPORT&&pl[i]!=NULL;i++)
 
-extern char	*atos(), *sskip(), *sskip2();
+extern char	*nextword();
 
 
 gmNewGeom(file)			/* add new geometry to next list */
@@ -55,10 +54,11 @@ char	*file;
 			return;
 		}
 					/* else load new octree */
-	gmNext[i].gfile = file;
+	gmNext[i].gfile = savestr(file);
 	dolights = 0;
 	domats = 1;
-	gmNext[i].listid = rgl_octlist(file, gmNext[i].cent, &gmNext[i].rad);
+	gmNext[i].listid = rgl_octlist(file, gmNext[i].cent, &gmNext[i].rad,
+					&gmNext[i].nlists);
 	gmNext[i].rad *= 1.732;		/* go to corners */
 #ifdef DEBUG
 	fprintf(stderr, "Loaded octree \"%s\" into listID %d with radius %f\n",
@@ -75,8 +75,11 @@ gmEndGeom()			/* make next list current */
 		FORALLGEOM(gmNext, j)
 			if (gmNext[j].listid == gmCurrent[i].listid)
 				break;
-		if (j >= MAXGEO || gmNext[j].gfile == NULL)
-			glDeleteLists(gmCurrent[i].listid, 1);	/* not found */
+		if (j >= MAXGEO || gmNext[j].gfile == NULL) {
+			glDeleteLists(gmCurrent[i].listid,	/* not found */
+					gmCurrent[i].nlists);
+			freestr(gmCurrent[i].gfile);
+		}
 	}
 	bcopy((char *)gmNext, (char *)gmCurrent, sizeof(gmNext));
 	bzero((char *)gmNext, sizeof(gmNext));
@@ -84,7 +87,7 @@ gmEndGeom()			/* make next list current */
 
 
 int
-gmDrawGeom()			/* draw current list of octrees (and ports) */
+gmDrawGeom()			/* draw current list of octrees */
 {
 	register int	n;
 
@@ -145,11 +148,7 @@ char	*pflist;
 
 	if (pflist == NULL)
 		return;
-	while (*pflist) {
-		atos(newfile, sizeof(newfile), pflist);
-		if (!*newfile)
-			break;
-		pflist = sskip(pflist);
+	while ((pflist = nextword(newfile, sizeof(newfile), pflist)) != NULL) {
 		FORALLPORT(newportlist,i)
 			if (!strcmp(newportlist[i], newfile))
 				goto endloop;	/* in list already */
@@ -179,7 +178,7 @@ gmEndPortal()			/* close portal list and return GL lis
 	FORALLPORT(newportlist, n);
 	if (!n) {			/* free old GL list */
 		if (gmPortals)
-			glDeleteLists(gmPortals, 1);
+			glDeleteLists(gmPortals, Nlists);
 		gmPortals = 0;
 	} else
 		qsort(newportlist, n, sizeof(char *), sstrcmp);
@@ -192,7 +191,7 @@ gmEndPortal()			/* close portal list and return GL lis
 			FORALLPORT(newportlist, n);
 			dolights = 0;
 			domats = 0;
-			gmPortals = rgl_filelist(n, newportlist);
+			gmPortals = rgl_filelist(n, newportlist, &Nlists);
 			break;
 		}
 	FORALLPORT(curportlist, n)		/* free old file list */