--- ray/src/util/rad.c	1998/06/10 17:51:06	2.57
+++ ray/src/util/rad.c	2003/06/30 14:59:13	2.65
@@ -1,19 +1,18 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: rad.c,v 2.65 2003/06/30 14:59:13 schorsch Exp $";
 #endif
-
 /*
  * Executive program for oconv, rpict and pfilt
  */
 
 #include "standard.h"
+
+#include <ctype.h>
+
+#include "platform.h"
 #include "view.h"
 #include "paths.h"
 #include "vars.h"
-#include <ctype.h>
-#include <sys/types.h>
 
 				/* variables (alphabetical by name) */
 #define AMBFILE		0		/* ambient file name */
@@ -75,13 +74,13 @@ VARIABLE	vv[] = {		/* variable-value pairs */
 };
 
 				/* overture calculation file */
-#ifdef NIX
-char	overfile[] = "overture.unf";
+#ifdef NULL_DEVICE
+char	overfile[] = NULL_DEVICE;
 #else
-char	overfile[] = "/dev/null";
+char	overfile[] = "overture.unf";
 #endif
 
-extern time_t	fdate(), time();
+extern time_t	time();
 
 time_t	scenedate;		/* date of latest scene or object file */
 time_t	octreedate;		/* date of octree */
@@ -107,7 +106,7 @@ int	overture = 0;		/* overture calculation needed */
 char	*progname;		/* global argv[0] */
 char	*rifname;		/* global rad input file name */
 
-char	radname[MAXPATH];	/* root Radiance file name */
+char	radname[PATH_MAX];	/* root Radiance file name */
 
 
 main(argc, argv)
@@ -211,18 +210,15 @@ time_t
 checklast(fnames)			/* check files and find most recent */
 register char	*fnames;
 {
-	char	thisfile[MAXPATH];
+	char	thisfile[PATH_MAX];
 	time_t	thisdate, lastdate = 0;
-	register char	*cp;
 
 	if (fnames == NULL)
 		return(0);
-	while (*fnames) {
-		while (isspace(*fnames)) fnames++;
-		cp = thisfile;
-		while (*fnames && !isspace(*fnames))
-			*cp++ = *fnames++;
-		*cp = '\0';
+	while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
+		if (thisfile[0] == '!' ||
+				(thisfile[0] == '\\' && thisfile[1] == '!'))
+			continue;
 		if (!(thisdate = fdate(thisfile)))
 			syserr(thisfile);
 		if (thisdate > lastdate)
@@ -237,7 +233,6 @@ newfname(orig, pred)		/* create modified file name */
 char	*orig;
 int	pred;
 {
-	extern char	*rindex();
 	register char	*cp;
 	register int	n;
 	int	suffix;
@@ -267,6 +262,10 @@ checkfiles()			/* check for existence and modified tim
 			syserr(progname);
 		sprintf(vval(OCTREE), "%s.oct", radname);
 		vdef(OCTREE)++;
+	} else if (vval(OCTREE)[0] == '!') {
+		fprintf(stderr, "%s: illegal '%s' specification\n",
+				progname, vnam(OCTREE));
+		quit(1);
 	}
 	octreedate = fdate(vval(OCTREE));
 	if (vdef(ILLUM)) {		/* illum requires secondary octrees */
@@ -341,7 +340,7 @@ double	org[3], *sizp;
 
 setdefaults()			/* set default values for unassigned var's */
 {
-	double	org[3], size;
+	double	org[3], lim[3], size;
 	char	buf[128];
 
 	if (!vdef(ZONE)) {
@@ -351,6 +350,16 @@ setdefaults()			/* set default values for unassigned v
 		vval(ZONE) = savqstr(buf);
 		vdef(ZONE)++;
 	}
+	if (!vdef(EYESEP)) {
+		if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
+				&org[0], &lim[0], &org[1], &lim[1],
+				&org[2], &lim[2]) != 6)
+			badvalue(ZONE);
+		sprintf(buf, "%f",
+			0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
+		vval(EYESEP) = savqstr(buf);
+		vdef(EYESEP)++;
+	}
 	if (!vdef(INDIRECT)) {
 		vval(INDIRECT) = "0";
 		vdef(INDIRECT)++;
@@ -389,7 +398,7 @@ setdefaults()			/* set default values for unassigned v
 oconv()				/* run oconv and mkillum if necessary */
 {
 	static char	illumtmp[] = "ilXXXXXX";
-	char	combuf[1024], ocopts[64], mkopts[64];
+	char	combuf[PATH_MAX], ocopts[64], mkopts[64];
 
 	oconvopts(ocopts);		/* get options */
 	if (octreedate < scenedate) {	/* check date on original octree */
@@ -814,7 +823,7 @@ char	*ro;
 			syserr(vval(OPTFILE));
 		sprintf(ro, " @%s", vval(OPTFILE));
 	}
-#ifdef MSDOS
+#ifdef _WIN32
 	else if (n > 50) {
 		setenv("ROPT", ro+1);
 		strcpy(ro, " $ROPT");
@@ -833,7 +842,7 @@ register char	*po;
 	}
 	switch (vscale(QUALITY)) {
 	case MEDIUM:
-		po = addarg(po, "-r 1");
+		po = addarg(po, "-r .6");
 		break;
 	case HIGH:
 		po = addarg(po, "-m .25");
@@ -970,7 +979,7 @@ register char	*vs;
 	if (cp == viewopts)		/* append any additional options */
 		vs++;		/* skip prefixed space if unneeded */
 	strcpy(cp, vs);
-#ifdef MSDOS
+#ifdef _WIN32
 	if (strlen(viewopts) > 40) {
 		setenv("VIEW", viewopts);
 		return("$VIEW");
@@ -1024,25 +1033,25 @@ char	*vn;		/* returned view name */
 printview(vopts)			/* print out selected view */
 register char	*vopts;
 {
-	extern char	*strstr(), *atos(), *getenv();
 	VIEW	vwr;
 	char	buf[128];
 	register char	*cp;
 again:
 	if (vopts == NULL)
 		return(-1);
-#ifdef MSDOS
+#ifdef _WIN32
 	if (vopts[0] == '$') {
 		vopts = getenv(vopts+1);
 		goto again;
 	}
 #endif
 	copystruct(&vwr, &stdview);
-	cp = vopts;				/* get -vf files first */
+	sscanview(&vwr, cp=vopts);		/* set initial options */
 	while ((cp = strstr(cp, "-vf ")) != NULL &&
-			*atos(buf, sizeof(buf), cp += 4))
-		viewfile(buf, &vwr, NULL);
-	sscanview(&vwr, vopts);			/* get the rest */
+			*atos(buf, sizeof(buf), cp += 4)) {
+		viewfile(buf, &vwr, NULL);	/* load -vf file */
+		sscanview(&vwr, cp);		/* reset tail */
+	}
 	fputs(VIEWSTR, stdout);
 	fprintview(&vwr, stdout);		/* print full spec. */
 	fputc('\n', stdout);
@@ -1054,7 +1063,7 @@ rview(opts, po)				/* run rview with first view */
 char	*opts, *po;
 {
 	char	*vw;
-	char	combuf[512];
+	char	combuf[PATH_MAX];
 					/* build command */
 	if (touchonly || (vw = getview(0, NULL)) == NULL)
 		return;
@@ -1076,9 +1085,9 @@ char	*opts, *po;
 rpict(opts, po)				/* run rpict and pfilt for each view */
 char	*opts, *po;
 {
-	char	combuf[1024];
-	char	rawfile[MAXPATH], picfile[MAXPATH];
-	char	zopt[MAXPATH+4], rep[MAXPATH+16], res[32];
+	char	combuf[PATH_MAX];
+	char	rawfile[PATH_MAX], picfile[PATH_MAX];
+	char	zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
 	char	pfopts[128];
 	char	vs[32], *vw;
 	int	vn, mult;
@@ -1167,7 +1176,7 @@ char	*opts, *po;
 						progname, vs);
 					quit(1);
 				}
-#ifdef NIX
+#ifndef NULL_DEVICE
 				rmfile(overfile);
 #endif
 			}
@@ -1238,7 +1247,7 @@ rmfile(fn)			/* remove a file */
 char	*fn;
 {
 	if (!silent)
-#ifdef MSDOS
+#ifdef _WIN32
 		printf("\tdel %s\n", fn);
 #else
 		printf("\trm -f %s\n", fn);
@@ -1253,7 +1262,7 @@ mvfile(fold, fnew)		/* move a file */
 char	*fold, *fnew;
 {
 	if (!silent)
-#ifdef MSDOS
+#ifdef _WIN32
 		printf("\trename %s %s\n", fold, fnew);
 #else
 		printf("\tmv %s %s\n", fold, fnew);
@@ -1264,7 +1273,7 @@ char	*fold, *fnew;
 }
 
 
-#ifdef MSDOS
+#ifdef _WIN32
 setenv(vname, value)		/* set an environment variable */
 char	*vname, *value;
 {
@@ -1301,6 +1310,7 @@ char	*s;
 }
 
 
+void
 quit(ec)			/* exit program */
 int	ec;
 {