--- ray/src/rt/rcmain.c	2023/02/24 18:25:36	2.28
+++ ray/src/rt/rcmain.c	2023/08/15 00:46:56	2.31
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rcmain.c,v 2.28 2023/02/24 18:25:36 greg Exp $";
+static const char	RCSid[] = "$Id: rcmain.c,v 2.31 2023/08/15 00:46:56 greg Exp $";
 #endif
 /*
  *  rcmain.c - main for rtcontrib ray contribution tracer
@@ -55,14 +55,16 @@ char	RCCONTEXT[] = "RC.";		/* our special evaluation c
 
 #if defined(_WIN32) || defined(_WIN64)
 #define RCONTRIB_FEATURES	"Accumulation\nSummation\nRecovery\n" \
-				"ValueContribution\nImmediateIrradiance\n" \
+				"ImmediateIrradiance\n" \
 				"ProgressReporting\nDistanceLimiting\n" \
+				"InputFormats=a,f,d\nOutputFormats=a,f,d,c\n" \
 				"Outputs=V,W\n"
 #else
 #define RCONTRIB_FEATURES	"Multiprocessing\n" \
 				"Accumulation\nSummation\nRecovery\n" \
-				"ValueContribution\nImmediateIrradiance\n" \
+				"ImmediateIrradiance\n" \
 				"ProgressReporting\nDistanceLimiting\n" \
+				"InputFormats=a,f,d\nOutputFormats=a,f,d,c\n" \
 				"Outputs=V,W\n"
 #endif
 
@@ -199,11 +201,9 @@ main(int argc, char *argv[])
 	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)
+		if (_setmaxstdio(i) == i)
 			break;
 #endif
 					/* initialize calcomp routines early */