--- ray/src/rt/rcmain.c	2016/03/10 18:25:46	2.15
+++ ray/src/rt/rcmain.c	2023/02/24 18:25:36	2.28
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rcmain.c,v 2.15 2016/03/10 18:25:46 schorsch Exp $";
+static const char	RCSid[] = "$Id: rcmain.c,v 2.28 2023/02/24 18:25:36 greg Exp $";
 #endif
 /*
  *  rcmain.c - main for rtcontrib ray contribution tracer
@@ -43,13 +43,28 @@ int	using_stdout = 0;		/* are we using stdout? */
 int	imm_irrad = 0;			/* compute immediate irradiance? */
 int	lim_dist = 0;			/* limit distance? */
 
-const char	*modname[MAXMODLIST];	/* ordered modifier name list */
-int		nmods = 0;		/* number of modifiers */
+int	report_intvl = 0;		/* reporting interval (seconds) */
 
+char	**modname = NULL;		/* ordered modifier name list */
+int	nmods = 0;			/* number of modifiers */
+int	modasiz = 0;			/* allocated modifier array size */
+
 void	(*addobjnotify[8])() = {ambnotify, NULL};
 
-char	RCCONTEXT[] = "RC";		/* our special evaluation context */
+char	RCCONTEXT[] = "RC.";		/* our special evaluation context */
 
+#if defined(_WIN32) || defined(_WIN64)
+#define RCONTRIB_FEATURES	"Accumulation\nSummation\nRecovery\n" \
+				"ValueContribution\nImmediateIrradiance\n" \
+				"ProgressReporting\nDistanceLimiting\n" \
+				"Outputs=V,W\n"
+#else
+#define RCONTRIB_FEATURES	"Multiprocessing\n" \
+				"Accumulation\nSummation\nRecovery\n" \
+				"ValueContribution\nImmediateIrradiance\n" \
+				"ProgressReporting\nDistanceLimiting\n" \
+				"Outputs=V,W\n"
+#endif
 
 static void
 printdefaults(void)			/* print default values to stdout */
@@ -180,9 +195,20 @@ main(int argc, char *argv[])
 	progname = argv[0] = fixargv0(argv[0]);
 	gargv = argv;
 	gargc = argc;
+					/* feature check only? */
+	strcat(RFeatureList, RCONTRIB_FEATURES);
+	if (argc > 1 && !strcmp(argv[1], "-features"))
+		return feature_status(argc-2, argv+2);
+#if defined(_WIN32) || defined(_WIN64)
+
+#if defined(_WIN32) || defined(_WIN64) 	/* increase file limit to maximum */
+	for (i = 8192; i > _IOB_ENTRIES; i >>= 1)
+		if (_setmaxstdio(i) == 0)
+			break;
+#endif
 					/* initialize calcomp routines early */
 	initfunc();
-	setcontext(RCCONTEXT);
+	calcontext(RCCONTEXT);
 					/* option city */
 	for (i = 1; i < argc; i++) {
 						/* expand arguments */
@@ -292,6 +318,10 @@ main(int argc, char *argv[])
 			check(2,"s");
 			addmodfile(argv[++i], curout, prms, binval, bincnt);
 			break;
+		case 't':			/* reporting interval */
+			check(2,"i");
+			report_intvl = atoi(argv[++i]);
+			break;
 		default:
 			goto badopt;
 		}
@@ -363,7 +393,7 @@ main(int argc, char *argv[])
 
 badopt:
 	fprintf(stderr,
-"Usage: %s [-n nprocs][-V][-r][-e expr][-f source][-o ospec][-p p1=V1,p2=V2][-b binv][-bn N] {-m mod | -M file} [rtrace options] octree\n",
+"Usage: %s [-n nprocs][-V][-c count][-r][-e expr][-f source][-o ospec][-p p1=V1,p2=V2][-b binv][-bn N] {-m mod | -M file} [rtrace options] octree\n",
 			progname);
 	sprintf(errmsg, "command line error at '%s'", argv[i]);
 	error(USER, errmsg);
@@ -376,7 +406,7 @@ badopt:
 
 void
 wputs(				/* warning output function */
-	char	*s
+	const char	*s
 )
 {
 	int  lasterrno = errno;
@@ -387,7 +417,7 @@ wputs(				/* warning output function */
 
 void
 eputs(				/* put string to stderr */
-	char  *s
+	const char  *s
 )
 {
 	static int  midline = 0;