src/rt/rvmain.c

#ifndef lint
static const char       RCSid[] = "$Id: rvmain.c,v 2.24 2025/04/23 02:35:26 greg Exp $";
#endif
/*
 *  rvmain.c - main for rview interactive viewer
 */

#include "copyright.h"

#include  <signal.h>
#include  <time.h>

#include  "platform.h"
#include  "ray.h"
#include  "source.h"
#include  "ambient.h"
#include  "rpaint.h"
#include  "random.h"
#include  "view.h"
#include  "pmapray.h"

extern char  *progname;                 /* global argv[0] */

VIEW  ourview = STDVIEW;                /* viewing parameters */
int  hresolu, vresolu;                  /* image resolution */

int  psample = 8;                       /* pixel sample size */
double  maxdiff = .15;                  /* max. sample difference */

int  greyscale = 0;                     /* map colors to brightness? */
char  *dvcname = dev_default;           /* output device name */

double  exposure = 1.0;                 /* exposure for scene */

int  newparam = 1;                      /* parameter setting changed */
 
struct driver  *dev = NULL;             /* driver functions */

char  rifname[128];                     /* rad input file name */

VIEW  oldview;                          /* previous view parameters */

PNODE  ptrunk;                          /* the base of our image */
RECT  pframe;                           /* current frame boundaries */
int  pdepth;                            /* image depth in current frame */

char  *errfile = NULL;                  /* error output file */

int  nproc = 1;                         /* number of processes */

char  *sigerr[NSIG];                    /* signal error messages */

static void onsig(int  signo);
static void sigdie(int  signo, char  *msg);
static void printdefaults(void);

static void
set_defaults(void)
{
        shadthresh = .1;
        shadcert = .25;
        directrelay = 0;
        vspretest = 128;
        srcsizerat = 0.;
        specthresh = .3;
        specjitter = 1.;
        maxdepth = 6;
        minweight = 1e-3;
        ambacc = 0.3;
        ambres = 32;
        ambdiv = 256;
        ambssamp = 64;
}

int
main(int argc, char *argv[])
{
#define  check(ol,al)           if (argv[i][ol] || \
                                badarg(argc-i-1,argv+i+1,al)) \
                                goto badopt
#define  check_bool(olen,var)           switch (argv[i][olen]) { \
                                case '\0': var = !var; break; \
                                case 'y': case 'Y': case 't': case 'T': \
                                case '+': case '1': var = 1; break; \
                                case 'n': case 'N': case 'f': case 'F': \
                                case '-': case '0': var = 0; break; \
                                default: goto badopt; }
        char  *octnm = NULL;
        char  *err;
        int  rval;
        int  i;
                                        /* global program name */
        progname = argv[0] = fixargv0(argv[0]);
                                        /* set our defaults */
        set_defaults();
                                        /* option city */
        for (i = 1; i < argc; i++) {
                                                /* expand arguments */
                while ((rval = expandarg(&argc, &argv, i)) > 0)
                        ;
                if (rval < 0) {
                        sprintf(errmsg, "cannot expand '%s'", argv[i]);
                        error(SYSTEM, errmsg);
                }
                if (argv[i] == NULL || argv[i][0] != '-')
                        break;                  /* break from options */
                if (!strcmp(argv[i], "-version")) {
                        puts(VersionID);
                        quit(0);
                }
                if (!strcmp(argv[i], "-defaults") ||
                                !strcmp(argv[i], "-help")) {
                        printdefaults();
                        quit(0);
                }
                if (!strcmp(argv[i], "-devices")) {
                        printdevices();
                        quit(0);
                }
                rval = getrenderopt(argc-i, argv+i);
                if (rval >= 0) {
                        i += rval;
                        continue;
                }
                rval = getviewopt(&ourview, argc-i, argv+i);
                if (rval >= 0) {
                        i += rval;
                        continue;
                }
                switch (argv[i][1]) {
                case 'n':                               /* # processes */
                        check(2,"i");
                        nproc = atoi(argv[++i]);
                        if (nproc <= 0)
                                error(USER, "bad number of processes");
                        break;
                case 'v':                               /* view file */
                        if (argv[i][2] != 'f')
                                goto badopt;
                        check(3,"s");
                        rval = viewfile(argv[++i], &ourview, NULL);
                        if (rval < 0) {
                                sprintf(errmsg,
                                "cannot open view file \"%s\"",
                                                argv[i]);
                                error(SYSTEM, errmsg);
                        } else if (rval == 0) {
                                sprintf(errmsg,
                                        "bad view file \"%s\"",
                                                argv[i]);
                                error(USER, errmsg);
                        }
                        break;
                case 'b':                               /* grayscale */
                        check_bool(2,greyscale);
                        break;
                case 'p':                               /* pixel */
                        switch (argv[i][2]) {
                        case 's':                               /* sample */
                                check(3,"i");
                                psample = atoi(argv[++i]);
                                break;
                        case 't':                               /* threshold */
                                check(3,"f");
                                maxdiff = atof(argv[++i]);
                                break;
                        case 'e':                               /* exposure */
                                check(3,"f");
                                exposure = atof(argv[++i]);
                                if (argv[i][0] == '+' || argv[i][0] == '-')
                                        exposure = pow(2.0, exposure);
                                break;
                        default:
                                goto badopt;
                        }
                        break;
                case 'w':                               /* warnings */
                        rval = erract[WARNING].pf != NULL;
                        check_bool(2,rval);
                        if (rval) erract[WARNING].pf = wputs;
                        else erract[WARNING].pf = NULL;
                        break;
                case 'e':                               /* error file */
                        check(2,"s");
                        errfile = argv[++i];
                        break;
                case 'o':                               /* output device */
                        check(2,"s");
                        dvcname = argv[++i];
                        break;
                case 'R':                               /* render input file */
                        check(2,"s");
                        strcpy(rifname, argv[++i]);
                        break;
                default:
                        goto badopt;
                }
        }
                                        /* set/check spectral sampling */
        if (setspectrsamp(CNDX, WLPART) <= 0)
                error(USER, "unsupported spectral sampling");

        err = setview(&ourview);        /* set viewing parameters */
        if (err != NULL)
                error(USER, err);
                                                /* set up signal handling */
        sigdie(SIGINT, "Interrupt");
        sigdie(SIGTERM, "Terminate");
#if !defined(_WIN32) && !defined(_WIN64)
        sigdie(SIGHUP, "Hangup");
        sigdie(SIGPIPE, "Broken pipe");
        sigdie(SIGALRM, "Alarm clock");
#endif
                                        /* open error file */
        if (errfile != NULL) {
                if (freopen(errfile, "a", stderr) == NULL)
                        quit(2);
                fprintf(stderr, "**************\n*** PID %5d: ",
                                getpid());
                printargs(argc, argv, stderr);
                putc('\n', stderr);
                fflush(stderr);
        }
#ifdef  NICE
        nice(NICE);                     /* lower priority */
#endif
                                        /* get octree */
        if (i == argc)
                octnm = NULL;
        else if (i == argc-1)
                octnm = argv[i];
        else
                goto badopt;
        if (octnm == NULL)
                error(USER, "missing octree argument");
                                        /* set up output & start process(es) */
        SET_FILE_BINARY(stdout);
        
        ray_init(octnm);                /* also calls ray_init_pmap() */
        
/* temporary shortcut, until winrview is refactored into a "device" */
#ifndef WIN_RVIEW
        rview();                        /* run interactive viewer */


        devclose();                     /* close output device */
#endif

        /* PMAP: free photon maps */
        ray_done_pmap();
        
#ifdef WIN_RVIEW
        return 1;
#endif
        quit(0);

badopt:
        sprintf(errmsg, "command line error at '%s'", argv[i]);
        error(USER, errmsg);
        return 1; /* pro forma return */

#undef  check
#undef  check_bool
}


void
wputs(                          /* warning output function */
        const char      *s
)
{
        int  lasterrno = errno;
        if (erract[WARNING].pf == NULL)
                return;         /* called by calcomp or someone */
        eputs(s);
        errno = lasterrno;
}


void
eputs(                          /* put string to stderr */
        const char  *s
)
{
        static int  midline = 0;

        if (!*s)
                return;
        if (!midline++) {
                fputs(progname, stderr);
                fputs(": ", stderr);
        }
        fputs(s, stderr);
        if (s[strlen(s)-1] == '\n') {
                fflush(stderr);
                midline = 0;
        }
}


static void
onsig(                          /* fatal signal */
        int  signo
)
{
        static int  gotsig = 0;

        if (gotsig++)                   /* two signals and we're gone! */
                _exit(signo);

#if !defined(_WIN32) && !defined(_WIN64)
        alarm(15);                      /* allow 15 seconds to clean up */
        signal(SIGALRM, SIG_DFL);       /* make certain we do die */
#endif
        eputs("signal - ");
        eputs(sigerr[signo]);
        eputs("\n");
        devclose();
        quit(3);
}


static void
sigdie(                 /* set fatal signal */
        int  signo,
        char  *msg
)
{
        if (signal(signo, onsig) == SIG_IGN)
                signal(signo, SIG_IGN);
        sigerr[signo] = msg;
}


static void
printdefaults(void)                     /* print default values to stdout */
{
        printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc);
        printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" :
                        "-b-\t\t\t\t# greyscale off\n");
        printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
                        ourview.type==VT_PER ? "perspective" :
                        ourview.type==VT_PAR ? "parallel" :
                        ourview.type==VT_HEM ? "hemispherical" :
                        ourview.type==VT_ANG ? "angular" :
                        ourview.type==VT_CYL ? "cylindrical" :
                        ourview.type==VT_PLS ? "planisphere" :
                        "unknown");
        printf("-vp %f %f %f\t# view point\n",
                        ourview.vp[0], ourview.vp[1], ourview.vp[2]);
        printf("-vd %f %f %f\t# view direction\n",
                        ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
        printf("-vu %f %f %f\t# view up\n",
                        ourview.vup[0], ourview.vup[1], ourview.vup[2]);
        printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
        printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
        printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
        printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
        printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
        printf("-vl %f\t\t\t# view lift\n", ourview.voff);
        printf("-pe %f\t\t\t# pixel exposure\n", exposure);
        printf("-ps %-9d\t\t\t# pixel sample\n", psample);
        printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
        printf("-o %s\t\t\t\t# output device\n", dvcname);
        printf(erract[WARNING].pf != NULL ?
                        "-w+\t\t\t\t# warning messages on\n" :
                        "-w-\t\t\t\t# warning messages off\n");
        print_rdefaults();
}
Revision:	2.25
Committed:	Sat Jun 7 05:09:46 2025 UTC (16 hours, 31 minutes ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Changes since 2.24:	+1 -2 lines
Log Message:	refactor: Put some declarations into "paths.h" and included in "platform.h"
#	User	Rev	Content
1	greg	2.1	#ifndef lint
2	greg	2.25	static const char RCSid[] = "$Id: rvmain.c,v 2.24 2025/04/23 02:35:26 greg Exp $";
3	greg	2.1	#endif
4			/*
5			* rvmain.c - main for rview interactive viewer
6			*/
7
8	greg	2.2	#include "copyright.h"
9	greg	2.1
10	schorsch	2.3	#include <signal.h>
11	greg	2.5	#include <time.h>
12	schorsch	2.3
13			#include "platform.h"
14	greg	2.1	#include "ray.h"
15			#include "source.h"
16			#include "ambient.h"
17	schorsch	2.4	#include "rpaint.h"
18	greg	2.1	#include "random.h"
19			#include "view.h"
20	greg	2.12	#include "pmapray.h"
21	greg	2.1
22	greg	2.9	extern char progname; / global argv[0] */
23	greg	2.1
24	greg	2.9	VIEW ourview = STDVIEW; /* viewing parameters */
25			int hresolu, vresolu; /* image resolution */
26	greg	2.1
27	greg	2.9	int psample = 8; /* pixel sample size */
28			double maxdiff = .15; /* max. sample difference */
29
30			int greyscale = 0; /* map colors to brightness? */
31			char dvcname = dev_default; / output device name */
32
33			double exposure = 1.0; /* exposure for scene */
34	greg	2.1
35	greg	2.9	int newparam = 1; /* parameter setting changed */
36
37			struct driver dev = NULL; / driver functions */
38	greg	2.1
39	greg	2.9	char rifname[128]; /* rad input file name */
40	greg	2.1
41	greg	2.9	VIEW oldview; /* previous view parameters */
42	greg	2.1
43	greg	2.9	PNODE ptrunk; /* the base of our image */
44			RECT pframe; /* current frame boundaries */
45			int pdepth; /* image depth in current frame */
46	greg	2.1
47	greg	2.9	char errfile = NULL; / error output file */
48	greg	2.1
49	greg	2.9	int nproc = 1; /* number of processes */
50	greg	2.1
51	greg	2.9	char sigerr[NSIG]; / signal error messages */
52	greg	2.1
53	schorsch	2.4	static void onsig(int signo);
54			static void sigdie(int signo, char *msg);
55			static void printdefaults(void);
56	greg	2.1
57	greg	2.23	static void
58			set_defaults(void)
59			{
60			shadthresh = .1;
61			shadcert = .25;
62			directrelay = 0;
63			vspretest = 128;
64			srcsizerat = 0.;
65			specthresh = .3;
66			specjitter = 1.;
67			maxdepth = 6;
68			minweight = 1e-3;
69			ambacc = 0.3;
70			ambres = 32;
71			ambdiv = 256;
72			ambssamp = 64;
73			}
74
75	greg	2.17	int
76	greg	2.9	main(int argc, char *argv[])
77	greg	2.1	{
78			#define check(ol,al) if (argv[i][ol] \|\| \
79			badarg(argc-i-1,argv+i+1,al)) \
80			goto badopt
81	schorsch	2.15	#define check_bool(olen,var) switch (argv[i][olen]) { \
82	greg	2.1	case '\0': var = !var; break; \
83			case 'y': case 'Y': case 't': case 'T': \
84			case '+': case '1': var = 1; break; \
85			case 'n': case 'N': case 'f': case 'F': \
86			case '-': case '0': var = 0; break; \
87			default: goto badopt; }
88	greg	2.9	char *octnm = NULL;
89	greg	2.1	char *err;
90			int rval;
91			int i;
92			/* global program name */
93			progname = argv[0] = fixargv0(argv[0]);
94	greg	2.9	/* set our defaults */
95	greg	2.23	set_defaults();
96	greg	2.1	/* option city */
97			for (i = 1; i < argc; i++) {
98			/* expand arguments */
99			while ((rval = expandarg(&argc, &argv, i)) > 0)
100			;
101			if (rval < 0) {
102			sprintf(errmsg, "cannot expand '%s'", argv[i]);
103			error(SYSTEM, errmsg);
104			}
105			if (argv[i] == NULL \|\| argv[i][0] != '-')
106			break; /* break from options */
107			if (!strcmp(argv[i], "-version")) {
108			puts(VersionID);
109			quit(0);
110			}
111			if (!strcmp(argv[i], "-defaults") \|\|
112			!strcmp(argv[i], "-help")) {
113			printdefaults();
114			quit(0);
115			}
116			if (!strcmp(argv[i], "-devices")) {
117			printdevices();
118			quit(0);
119			}
120			rval = getrenderopt(argc-i, argv+i);
121			if (rval >= 0) {
122			i += rval;
123			continue;
124			}
125			rval = getviewopt(&ourview, argc-i, argv+i);
126			if (rval >= 0) {
127			i += rval;
128			continue;
129			}
130			switch (argv[i][1]) {
131	greg	2.9	case 'n': /* # processes */
132			check(2,"i");
133			nproc = atoi(argv[++i]);
134			if (nproc <= 0)
135			error(USER, "bad number of processes");
136			break;
137	greg	2.1	case 'v': /* view file */
138			if (argv[i][2] != 'f')
139			goto badopt;
140			check(3,"s");
141			rval = viewfile(argv[++i], &ourview, NULL);
142			if (rval < 0) {
143			sprintf(errmsg,
144			"cannot open view file \"%s\"",
145			argv[i]);
146			error(SYSTEM, errmsg);
147			} else if (rval == 0) {
148			sprintf(errmsg,
149			"bad view file \"%s\"",
150			argv[i]);
151			error(USER, errmsg);
152			}
153			break;
154			case 'b': /* grayscale */
155	schorsch	2.15	check_bool(2,greyscale);
156	greg	2.1	break;
157			case 'p': /* pixel */
158			switch (argv[i][2]) {
159			case 's': /* sample */
160			check(3,"i");
161			psample = atoi(argv[++i]);
162			break;
163			case 't': /* threshold */
164			check(3,"f");
165			maxdiff = atof(argv[++i]);
166			break;
167			case 'e': /* exposure */
168			check(3,"f");
169			exposure = atof(argv[++i]);
170			if (argv[i][0] == '+' \|\| argv[i][0] == '-')
171			exposure = pow(2.0, exposure);
172			break;
173			default:
174			goto badopt;
175			}
176			break;
177			case 'w': /* warnings */
178			rval = erract[WARNING].pf != NULL;
179	schorsch	2.15	check_bool(2,rval);
180	greg	2.1	if (rval) erract[WARNING].pf = wputs;
181			else erract[WARNING].pf = NULL;
182			break;
183			case 'e': /* error file */
184			check(2,"s");
185			errfile = argv[++i];
186			break;
187			case 'o': /* output device */
188			check(2,"s");
189			dvcname = argv[++i];
190			break;
191			case 'R': /* render input file */
192			check(2,"s");
193			strcpy(rifname, argv[++i]);
194			break;
195			default:
196			goto badopt;
197			}
198			}
199	greg	2.20	/* set/check spectral sampling */
200	greg	2.21	if (setspectrsamp(CNDX, WLPART) <= 0)
201	greg	2.20	error(USER, "unsupported spectral sampling");
202
203	greg	2.1	err = setview(&ourview); /* set viewing parameters */
204			if (err != NULL)
205			error(USER, err);
206	greg	2.9	/* set up signal handling */
207	greg	2.1	sigdie(SIGINT, "Interrupt");
208	greg	2.11	sigdie(SIGTERM, "Terminate");
209	schorsch	2.14	#if !defined(_WIN32) && !defined(_WIN64)
210	greg	2.1	sigdie(SIGHUP, "Hangup");
211			sigdie(SIGPIPE, "Broken pipe");
212			sigdie(SIGALRM, "Alarm clock");
213	greg	2.11	#endif
214	greg	2.1	/* open error file */
215			if (errfile != NULL) {
216			if (freopen(errfile, "a", stderr) == NULL)
217			quit(2);
218			fprintf(stderr, "************\n* PID %5d: ",
219			getpid());
220			printargs(argc, argv, stderr);
221			putc('\n', stderr);
222			fflush(stderr);
223			}
224			#ifdef NICE
225			nice(NICE); /* lower priority */
226			#endif
227			/* get octree */
228			if (i == argc)
229	greg	2.9	octnm = NULL;
230	greg	2.1	else if (i == argc-1)
231	greg	2.9	octnm = argv[i];
232	greg	2.1	else
233			goto badopt;
234	greg	2.9	if (octnm == NULL)
235	greg	2.1	error(USER, "missing octree argument");
236	greg	2.9	/* set up output & start process(es) */
237	schorsch	2.3	SET_FILE_BINARY(stdout);
238	greg	2.9
239	greg	2.13	ray_init(octnm); /* also calls ray_init_pmap() */
240	greg	2.12
241	schorsch	2.16	/* temporary shortcut, until winrview is refactored into a "device" */
242			#ifndef WIN_RVIEW
243	greg	2.1	rview(); /* run interactive viewer */
244
245	schorsch	2.16
246	greg	2.9	devclose(); /* close output device */
247	schorsch	2.16	#endif
248	greg	2.1
249	greg	2.12	/* PMAP: free photon maps */
250			ray_done_pmap();
251
252	schorsch	2.16	#ifdef WIN_RVIEW
253			return 1;
254			#endif
255	greg	2.1	quit(0);
256
257			badopt:
258			sprintf(errmsg, "command line error at '%s'", argv[i]);
259			error(USER, errmsg);
260	schorsch	2.4	return 1; /* pro forma return */
261	greg	2.1
262			#undef check
263	schorsch	2.15	#undef check_bool
264	greg	2.1	}
265
266
267			void
268	schorsch	2.4	wputs( /* warning output function */
269	greg	2.19	const char *s
270	schorsch	2.4	)
271	greg	2.1	{
272			int lasterrno = errno;
273	greg	2.22	if (erract[WARNING].pf == NULL)
274			return; /* called by calcomp or someone */
275	greg	2.1	eputs(s);
276			errno = lasterrno;
277			}
278
279
280			void
281	schorsch	2.4	eputs( /* put string to stderr */
282	greg	2.19	const char *s
283	schorsch	2.4	)
284	greg	2.1	{
285			static int midline = 0;
286
287			if (!*s)
288			return;
289			if (!midline++) {
290			fputs(progname, stderr);
291			fputs(": ", stderr);
292			}
293			fputs(s, stderr);
294			if (s[strlen(s)-1] == '\n') {
295			fflush(stderr);
296			midline = 0;
297			}
298			}
299
300
301	schorsch	2.4	static void
302			onsig( /* fatal signal */
303			int signo
304			)
305	greg	2.1	{
306			static int gotsig = 0;
307
308			if (gotsig++) /* two signals and we're gone! */
309			_exit(signo);
310
311	schorsch	2.14	#if !defined(_WIN32) && !defined(_WIN64)
312	greg	2.1	alarm(15); /* allow 15 seconds to clean up */
313			signal(SIGALRM, SIG_DFL); /* make certain we do die */
314	greg	2.11	#endif
315	greg	2.1	eputs("signal - ");
316			eputs(sigerr[signo]);
317			eputs("\n");
318	greg	2.9	devclose();
319	greg	2.1	quit(3);
320			}
321
322
323	schorsch	2.4	static void
324			sigdie( /* set fatal signal */
325			int signo,
326			char *msg
327			)
328	greg	2.1	{
329			if (signal(signo, onsig) == SIG_IGN)
330			signal(signo, SIG_IGN);
331			sigerr[signo] = msg;
332			}
333
334
335	schorsch	2.4	static void
336			printdefaults(void) /* print default values to stdout */
337	greg	2.1	{
338	greg	2.9	printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc);
339	greg	2.1	printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" :
340			"-b-\t\t\t\t# greyscale off\n");
341			printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
342			ourview.type==VT_PER ? "perspective" :
343			ourview.type==VT_PAR ? "parallel" :
344			ourview.type==VT_HEM ? "hemispherical" :
345			ourview.type==VT_ANG ? "angular" :
346			ourview.type==VT_CYL ? "cylindrical" :
347	greg	2.8	ourview.type==VT_PLS ? "planisphere" :
348	greg	2.1	"unknown");
349			printf("-vp %f %f %f\t# view point\n",
350			ourview.vp[0], ourview.vp[1], ourview.vp[2]);
351			printf("-vd %f %f %f\t# view direction\n",
352			ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
353			printf("-vu %f %f %f\t# view up\n",
354			ourview.vup[0], ourview.vup[1], ourview.vup[2]);
355			printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
356			printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
357			printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
358			printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
359			printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
360			printf("-vl %f\t\t\t# view lift\n", ourview.voff);
361			printf("-pe %f\t\t\t# pixel exposure\n", exposure);
362			printf("-ps %-9d\t\t\t# pixel sample\n", psample);
363			printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
364			printf("-o %s\t\t\t\t# output device\n", dvcname);
365			printf(erract[WARNING].pf != NULL ?
366			"-w+\t\t\t\t# warning messages on\n" :
367			"-w-\t\t\t\t# warning messages off\n");
368			print_rdefaults();
369			}