--- ray/src/hd/rholo.c	2008/12/04 23:34:00	3.73
+++ ray/src/hd/rholo.c	2010/09/30 15:43:30	3.75
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rholo.c,v 3.73 2008/12/04 23:34:00 greg Exp $";
+static const char	RCSid[] = "$Id: rholo.c,v 3.75 2010/09/30 15:43:30 greg Exp $";
 #endif
 /*
  * Radiance holodeck generation controller
@@ -164,7 +164,7 @@ main(
 	quit(0);
 userr:
 	fprintf(stderr,
-"Usage: %s [-n nprocs][-o disp][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n",
+"Usage: %s [-n nprocs][-o disp][-i][-w][-r|-f] output.hdk [control.hif|+|- [VAR=val ..]]\n",
 			progname);
 	quit(1);
 	return 1; /* pro forma return */
@@ -453,7 +453,7 @@ creatholo(			/* create a holodeck output file */
 )
 {
 	extern char	VersionID[];
-	int32	lastloc, nextloc;
+	off_t	lastloc, nextloc;
 	int	n;
 	int	fd;
 	FILE	*fp;
@@ -479,11 +479,11 @@ creatholo(			/* create a holodeck output file */
 		if (!n)
 			break;
 		nextloc = hdfilen(fd);		/* write section pointer */
-		if (lseek(fd, (off_t)lastloc, SEEK_SET) < 0)
+		if (lseek(fd, lastloc, SEEK_SET) < 0)
 			error(SYSTEM,
 				"cannot seek on holodeck file in creatholo");
 		write(fd, (char *)&nextloc, sizeof(nextloc));
-		lseek(fd, (off_t)(lastloc=nextloc), SEEK_SET);
+		lseek(fd, (lastloc=nextloc), SEEK_SET);
 	}
 }
 
@@ -522,7 +522,7 @@ loadholo(void)			/* start loading a holodeck from fnam
 	FILE	*fp;
 	int	fd;
 	int	n;
-	int32	nextloc;
+	off_t	nextloc;
 	
 	if ((ncprocs > 0) & (force >= 0))
 		fp = fopen(hdkfile, "r+");
@@ -554,7 +554,7 @@ loadholo(void)			/* start loading a holodeck from fnam
 	fd = dup(fileno(fp));
 	fclose(fp);				/* done with stdio */
 	for (n = 0; nextloc > 0L; n++) {	/* initialize each section */
-		lseek(fd, (off_t)nextloc, SEEK_SET);
+		lseek(fd, nextloc, SEEK_SET);
 		read(fd, (char *)&nextloc, sizeof(nextloc));
 		hdinit(fd, NULL);
 	}