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root/radiance/ray/src/util/rad.c
Revision: 2.75
Committed: Thu Jan 1 19:31:46 2004 UTC (20 years, 3 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.74: +6 -6 lines
Log Message:
Renamed rview, lam, calc, and neat to rvu, rlam, icalc, and neaten

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.74 2003/10/27 10:32:06 schorsch Exp $";
3 #endif
4 /*
5 * Executive program for oconv, rpict and pfilt
6 */
7
8 #include "standard.h"
9
10 #include <ctype.h>
11 #include <time.h>
12
13 #include "platform.h"
14 #include "rtprocess.h"
15 #include "view.h"
16 #include "paths.h"
17 #include "vars.h"
18
19 #ifdef _WIN32
20 #define DELCMD "del"
21 #define RENAMECMD "rename"
22 #else
23 #define DELCMD "rm -f"
24 #define RENAMECMD "mv"
25 #endif
26
27 /* variables (alphabetical by name) */
28 #define AMBFILE 0 /* ambient file name */
29 #define DETAIL 1 /* level of scene detail */
30 #define EXPOSURE 2 /* picture exposure setting */
31 #define EYESEP 3 /* interocular distance */
32 #define ILLUM 4 /* mkillum input files */
33 #define INDIRECT 5 /* indirection in lighting */
34 #define MATERIAL 6 /* material files */
35 #define MKILLUM 7 /* mkillum options */
36 #define OBJECT 8 /* object files */
37 #define OCONV 9 /* oconv options */
38 #define OCTREE 10 /* octree file name */
39 #define OPTFILE 11 /* rendering options file */
40 #define PENUMBRAS 12 /* shadow penumbras are desired */
41 #define PFILT 13 /* pfilt options */
42 #define PICTURE 14 /* picture file root name */
43 #define QUALITY 15 /* desired rendering quality */
44 #define RAWFILE 16 /* raw picture file root name */
45 #define RENDER 17 /* rendering options */
46 #define REPORT 18 /* report frequency and errfile */
47 #define RESOLUTION 19 /* maximum picture resolution */
48 #define SCENE 20 /* scene files */
49 #define UP 21 /* view up (X, Y or Z) */
50 #define VARIABILITY 22 /* level of light variability */
51 #define VIEWS 23 /* view(s) for picture(s) */
52 #define ZFILE 24 /* distance file root name */
53 #define ZONE 25 /* simulation zone */
54 /* total number of variables */
55 int NVARS = 26;
56
57 VARIABLE vv[] = { /* variable-value pairs */
58 {"AMBFILE", 3, 0, NULL, onevalue},
59 {"DETAIL", 3, 0, NULL, qualvalue},
60 {"EXPOSURE", 3, 0, NULL, fltvalue},
61 {"EYESEP", 3, 0, NULL, fltvalue},
62 {"illum", 3, 0, NULL, catvalues},
63 {"INDIRECT", 3, 0, NULL, intvalue},
64 {"materials", 3, 0, NULL, catvalues},
65 {"mkillum", 3, 0, NULL, catvalues},
66 {"objects", 3, 0, NULL, catvalues},
67 {"oconv", 3, 0, NULL, catvalues},
68 {"OCTREE", 3, 0, NULL, onevalue},
69 {"OPTFILE", 3, 0, NULL, onevalue},
70 {"PENUMBRAS", 3, 0, NULL, boolvalue},
71 {"pfilt", 2, 0, NULL, catvalues},
72 {"PICTURE", 3, 0, NULL, onevalue},
73 {"QUALITY", 3, 0, NULL, qualvalue},
74 {"RAWFILE", 3, 0, NULL, onevalue},
75 {"render", 3, 0, NULL, catvalues},
76 {"REPORT", 3, 0, NULL, onevalue},
77 {"RESOLUTION", 3, 0, NULL, onevalue},
78 {"scene", 3, 0, NULL, catvalues},
79 {"UP", 2, 0, NULL, onevalue},
80 {"VARIABILITY", 3, 0, NULL, qualvalue},
81 {"view", 2, 0, NULL, NULL},
82 {"ZFILE", 2, 0, NULL, onevalue},
83 {"ZONE", 2, 0, NULL, onevalue},
84 };
85
86 /* overture calculation file */
87 #ifdef NULL_DEVICE
88 char overfile[] = NULL_DEVICE;
89 #else
90 char overfile[] = "overture.unf";
91 #endif
92
93
94 time_t scenedate; /* date of latest scene or object file */
95 time_t octreedate; /* date of octree */
96 time_t matdate; /* date of latest material file */
97 time_t illumdate; /* date of last illum file */
98
99 char *oct0name; /* name of pre-mkillum octree */
100 time_t oct0date; /* date of pre-mkillum octree */
101 char *oct1name; /* name of post-mkillum octree */
102 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
103
104 int nowarn = 0; /* no warnings */
105 int explicate = 0; /* explicate variables */
106 int silent = 0; /* do work silently */
107 int touchonly = 0; /* touch files only */
108 int nprocs = 1; /* maximum executing processes */
109 int sayview = 0; /* print view out */
110 char *rvdevice = NULL; /* rvu output device */
111 char *viewselect = NULL; /* specific view only */
112
113 int overture = 0; /* overture calculation needed */
114
115 int children_running = 0; /* set negative in children */
116
117 char *progname; /* global argv[0] */
118 char *rifname; /* global rad input file name */
119
120 char radname[PATH_MAX]; /* root Radiance file name */
121
122 #define inchild() (children_running < 0)
123
124
125 main(argc, argv)
126 int argc;
127 char *argv[];
128 {
129 char ropts[512];
130 char popts[64];
131 int i;
132
133 progname = argv[0];
134 /* get options */
135 for (i = 1; i < argc && argv[i][0] == '-'; i++)
136 switch (argv[i][1]) {
137 case 's':
138 silent++;
139 break;
140 case 'n':
141 nprocs = 0;
142 break;
143 case 'N':
144 nprocs = atoi(argv[++i]);
145 if (nprocs < 0)
146 nprocs = 0;
147 break;
148 case 't':
149 touchonly++;
150 break;
151 case 'e':
152 explicate++;
153 break;
154 case 'o':
155 rvdevice = argv[++i];
156 break;
157 case 'V':
158 sayview++;
159 break;
160 case 'v':
161 viewselect = argv[++i];
162 break;
163 case 'w':
164 nowarn++;
165 break;
166 default:
167 goto userr;
168 }
169 if (i >= argc)
170 goto userr;
171 rifname = argv[i];
172 /* check command-line options */
173 if ((nprocs > 1) & (viewselect != NULL))
174 nprocs = 1;
175 /* assign Radiance root file name */
176 rootname(radname, rifname);
177 /* load variable values */
178 loadvars(rifname);
179 /* get any additional assignments */
180 for (i++; i < argc; i++)
181 if (setvariable(argv[i], matchvar) < 0) {
182 fprintf(stderr, "%s: unknown variable: %s\n",
183 progname, argv[i]);
184 quit(1);
185 }
186 /* check assignments */
187 checkvalues();
188 /* check files and dates */
189 checkfiles();
190 /* set default values as necessary */
191 setdefaults();
192 /* print all values if requested */
193 if (explicate)
194 printvars(stdout);
195 /* build octree (and run mkillum) */
196 oconv();
197 /* check date on ambient file */
198 checkambfile();
199 /* run simulation */
200 renderopts(ropts, popts);
201 xferopts(ropts);
202 if (rvdevice != NULL)
203 rvu(ropts, popts);
204 else
205 rpict(ropts, popts);
206 quit(0);
207 userr:
208 fprintf(stderr,
209 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
210 progname);
211 quit(1);
212 }
213
214
215 rootname(rn, fn) /* remove tail from end of fn */
216 register char *rn, *fn;
217 {
218 char *tp, *dp;
219
220 for (tp = NULL, dp = rn; (*rn = *fn++); rn++)
221 if (ISDIRSEP(*rn))
222 dp = rn;
223 else if (*rn == '.')
224 tp = rn;
225 if (tp != NULL && tp > dp)
226 *tp = '\0';
227 }
228
229
230 time_t
231 checklast(fnames) /* check files and find most recent */
232 register char *fnames;
233 {
234 char thisfile[PATH_MAX];
235 time_t thisdate, lastdate = 0;
236
237 if (fnames == NULL)
238 return(0);
239 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
240 if (thisfile[0] == '!' ||
241 (thisfile[0] == '\\' && thisfile[1] == '!'))
242 continue;
243 if (!(thisdate = fdate(thisfile)))
244 syserr(thisfile);
245 if (thisdate > lastdate)
246 lastdate = thisdate;
247 }
248 return(lastdate);
249 }
250
251
252 char *
253 newfname(orig, pred) /* create modified file name */
254 char *orig;
255 int pred;
256 {
257 register char *cp;
258 register int n;
259 int suffix;
260
261 n = 0; cp = orig; suffix = -1; /* suffix position, length */
262 while (*cp) {
263 if (*cp == '.') suffix = n;
264 else if (ISDIRSEP(*cp)) suffix = -1;
265 cp++; n++;
266 }
267 if (suffix == -1) suffix = n;
268 if ((cp = bmalloc(n+2)) == NULL)
269 syserr(progname);
270 strncpy(cp, orig, suffix);
271 cp[suffix] = pred; /* root name + pred + suffix */
272 strcpy(cp+suffix+1, orig+suffix);
273 return(cp);
274 }
275
276
277 checkfiles() /* check for existence and modified times */
278 {
279 time_t objdate;
280
281 if (!vdef(OCTREE)) {
282 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
283 syserr(progname);
284 sprintf(vval(OCTREE), "%s.oct", radname);
285 vdef(OCTREE)++;
286 } else if (vval(OCTREE)[0] == '!') {
287 fprintf(stderr, "%s: illegal '%s' specification\n",
288 progname, vnam(OCTREE));
289 quit(1);
290 }
291 octreedate = fdate(vval(OCTREE));
292 if (vdef(ILLUM)) { /* illum requires secondary octrees */
293 oct0name = newfname(vval(OCTREE), '0');
294 oct1name = newfname(vval(OCTREE), '1');
295 oct0date = fdate(oct0name);
296 oct1date = fdate(oct1name);
297 } else
298 oct0name = oct1name = vval(OCTREE);
299 if ((scenedate = checklast(vval(SCENE))) &&
300 (objdate = checklast(vval(OBJECT))) > scenedate)
301 scenedate = objdate;
302 illumdate = checklast(vval(ILLUM));
303 if (!octreedate & !scenedate & !illumdate) {
304 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
305 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
306 quit(1);
307 }
308 matdate = checklast(vval(MATERIAL));
309 }
310
311
312 getoctcube(org, sizp) /* get octree bounding cube */
313 double org[3], *sizp;
314 {
315 static double oorg[3], osiz = 0.;
316 double min[3], max[3];
317 char buf[1024];
318 FILE *fp;
319 register int i;
320
321 if (osiz <= FTINY) {
322 if (!nprocs && fdate(oct1name) <
323 (scenedate>illumdate?scenedate:illumdate)) {
324 /* run getbbox */
325 sprintf(buf, "getbbox -w -h %s",
326 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
327 if ((fp = popen(buf, "r")) == NULL)
328 syserr("getbbox");
329 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
330 &min[0], &max[0], &min[1], &max[1],
331 &min[2], &max[2]) != 6) {
332 fprintf(stderr,
333 "%s: error reading bounding box from getbbox\n",
334 progname);
335 quit(1);
336 }
337 for (i = 0; i < 3; i++)
338 if (max[i] - min[i] > osiz)
339 osiz = max[i] - min[i];
340 for (i = 0; i < 3; i++)
341 oorg[i] = (max[i]+min[i]-osiz)*.5;
342 pclose(fp);
343 } else { /* from octree */
344 oconv(); /* does nothing if done already */
345 sprintf(buf, "getinfo -d < %s", oct1name);
346 if ((fp = popen(buf, "r")) == NULL)
347 syserr("getinfo");
348 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
349 &oorg[2], &osiz) != 4) {
350 fprintf(stderr,
351 "%s: error reading bounding cube from getinfo\n",
352 progname);
353 quit(1);
354 }
355 pclose(fp);
356 }
357 }
358 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
359 }
360
361
362 setdefaults() /* set default values for unassigned var's */
363 {
364 double org[3], lim[3], size;
365 char buf[128];
366
367 if (!vdef(ZONE)) {
368 getoctcube(org, &size);
369 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
370 org[1], org[1]+size, org[2], org[2]+size);
371 vval(ZONE) = savqstr(buf);
372 vdef(ZONE)++;
373 }
374 if (!vdef(EYESEP)) {
375 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
376 &org[0], &lim[0], &org[1], &lim[1],
377 &org[2], &lim[2]) != 6)
378 badvalue(ZONE);
379 sprintf(buf, "%f",
380 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
381 vval(EYESEP) = savqstr(buf);
382 vdef(EYESEP)++;
383 }
384 if (!vdef(INDIRECT)) {
385 vval(INDIRECT) = "0";
386 vdef(INDIRECT)++;
387 }
388 if (!vdef(QUALITY)) {
389 vval(QUALITY) = "L";
390 vdef(QUALITY)++;
391 }
392 if (!vdef(RESOLUTION)) {
393 vval(RESOLUTION) = "512";
394 vdef(RESOLUTION)++;
395 }
396 if (!vdef(PICTURE)) {
397 vval(PICTURE) = radname;
398 vdef(PICTURE)++;
399 }
400 if (!vdef(VIEWS)) {
401 vval(VIEWS) = "X";
402 vdef(VIEWS)++;
403 }
404 if (!vdef(DETAIL)) {
405 vval(DETAIL) = "M";
406 vdef(DETAIL)++;
407 }
408 if (!vdef(PENUMBRAS)) {
409 vval(PENUMBRAS) = "F";
410 vdef(PENUMBRAS)++;
411 }
412 if (!vdef(VARIABILITY)) {
413 vval(VARIABILITY) = "L";
414 vdef(VARIABILITY)++;
415 }
416 }
417
418
419 oconv() /* run oconv and mkillum if necessary */
420 {
421 static char illumtmp[] = "ilXXXXXX";
422 char combuf[PATH_MAX], ocopts[64], mkopts[64];
423
424 oconvopts(ocopts); /* get options */
425 if (octreedate < scenedate) { /* check date on original octree */
426 if (touchonly && octreedate)
427 touch(vval(OCTREE));
428 else { /* build command */
429 if (vdef(MATERIAL))
430 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
431 vval(MATERIAL), vval(SCENE),
432 vval(OCTREE));
433 else
434 sprintf(combuf, "oconv%s %s > %s", ocopts,
435 vval(SCENE), vval(OCTREE));
436
437 if (runcom(combuf)) { /* run it */
438 fprintf(stderr,
439 "%s: error generating octree\n\t%s removed\n",
440 progname, vval(OCTREE));
441 unlink(vval(OCTREE));
442 quit(1);
443 }
444 }
445 octreedate = time((time_t *)NULL);
446 if (octreedate < scenedate) /* in case clock is off */
447 octreedate = scenedate;
448 }
449 if (oct1name == vval(OCTREE)) /* no mkillum? */
450 oct1date = octreedate > matdate ? octreedate : matdate;
451 if ((oct1date >= octreedate) & (oct1date >= matdate)
452 & (oct1date >= illumdate)) /* all done */
453 return;
454 /* make octree0 */
455 if ((oct0date < scenedate) | (oct0date < illumdate)) {
456 if (touchonly && oct0date)
457 touch(oct0name);
458 else { /* build command */
459 if (octreedate)
460 sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
461 vval(OCTREE), vval(ILLUM), oct0name);
462 else if (vdef(MATERIAL))
463 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
464 vval(MATERIAL), vval(ILLUM), oct0name);
465 else
466 sprintf(combuf, "oconv%s %s > %s", ocopts,
467 vval(ILLUM), oct0name);
468 if (runcom(combuf)) { /* run it */
469 fprintf(stderr,
470 "%s: error generating octree\n\t%s removed\n",
471 progname, oct0name);
472 unlink(oct0name);
473 quit(1);
474 }
475 }
476 oct0date = time((time_t *)NULL);
477 if (oct0date < octreedate) /* in case clock is off */
478 oct0date = octreedate;
479 if (oct0date < illumdate) /* ditto */
480 oct0date = illumdate;
481 }
482 if (touchonly && oct1date)
483 touch(oct1name);
484 else {
485 mkillumopts(mkopts); /* build mkillum command */
486 mktemp(illumtmp);
487 sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
488 oct0name, vval(ILLUM), illumtmp);
489 if (runcom(combuf)) { /* run it */
490 fprintf(stderr, "%s: error running mkillum\n",
491 progname);
492 unlink(illumtmp);
493 quit(1);
494 }
495 /* make octree1 (frozen) */
496 if (octreedate)
497 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
498 vval(OCTREE), illumtmp, oct1name);
499 else if (vdef(MATERIAL))
500 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
501 vval(MATERIAL), illumtmp, oct1name);
502 else
503 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
504 illumtmp, oct1name);
505 if (runcom(combuf)) { /* run it */
506 fprintf(stderr,
507 "%s: error generating octree\n\t%s removed\n",
508 progname, oct1name);
509 unlink(oct1name);
510 unlink(illumtmp);
511 quit(1);
512 }
513 rmfile(illumtmp);
514 }
515 oct1date = time((time_t *)NULL);
516 if (oct1date < oct0date) /* in case clock is off */
517 oct1date = oct0date;
518 }
519
520
521 char *
522 addarg(op, arg) /* add argument and advance pointer */
523 register char *op, *arg;
524 {
525 *op = ' ';
526 while ( (*++op = *arg++) )
527 ;
528 return(op);
529 }
530
531
532 oconvopts(oo) /* get oconv options */
533 register char *oo;
534 {
535 /* BEWARE: This may be called via setdefaults(), so no assumptions */
536
537 *oo = '\0';
538 if (vdef(OCONV))
539 addarg(oo, vval(OCONV));
540 }
541
542
543 mkillumopts(mo) /* get mkillum options */
544 register char *mo;
545 {
546 /* BEWARE: This may be called via setdefaults(), so no assumptions */
547
548 *mo = '\0';
549 if (vdef(MKILLUM))
550 addarg(mo, vval(MKILLUM));
551 }
552
553
554 checkambfile() /* check date on ambient file */
555 {
556 time_t afdate;
557
558 if (!vdef(AMBFILE))
559 return;
560 if (!(afdate = fdate(vval(AMBFILE))))
561 return;
562 if (oct1date > afdate) {
563 if (touchonly)
564 touch(vval(AMBFILE));
565 else
566 rmfile(vval(AMBFILE));
567 }
568 }
569
570
571 double
572 ambval() /* compute ambient value */
573 {
574 if (vdef(EXPOSURE)) {
575 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
576 return(.5/pow(2.,vflt(EXPOSURE)));
577 return(.5/vflt(EXPOSURE));
578 }
579 if (vlet(ZONE) == 'E')
580 return(10.);
581 if (vlet(ZONE) == 'I')
582 return(.01);
583 badvalue(ZONE);
584 }
585
586
587 renderopts(op, po) /* set rendering options */
588 char *op, *po;
589 {
590 switch(vscale(QUALITY)) {
591 case LOW:
592 lowqopts(op, po);
593 break;
594 case MEDIUM:
595 medqopts(op, po);
596 break;
597 case HIGH:
598 hiqopts(op, po);
599 break;
600 }
601 }
602
603
604 lowqopts(op, po) /* low quality rendering options */
605 register char *op;
606 char *po;
607 {
608 double d, org[3], siz[3];
609
610 *op = '\0';
611 *po = '\0';
612 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
613 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
614 badvalue(ZONE);
615 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
616 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
617 badvalue(ZONE);
618 getoctcube(org, &d);
619 d *= 3./(siz[0]+siz[1]+siz[2]);
620 switch (vscale(DETAIL)) {
621 case LOW:
622 po = addarg(po, "-ps 16");
623 op = addarg(op, "-dp 64");
624 sprintf(op, " -ar %d", (int)(8*d));
625 op += strlen(op);
626 break;
627 case MEDIUM:
628 po = addarg(po, "-ps 8");
629 op = addarg(op, "-dp 128");
630 sprintf(op, " -ar %d", (int)(16*d));
631 op += strlen(op);
632 break;
633 case HIGH:
634 po = addarg(po, "-ps 4");
635 op = addarg(op, "-dp 256");
636 sprintf(op, " -ar %d", (int)(32*d));
637 op += strlen(op);
638 break;
639 }
640 po = addarg(po, "-pt .16");
641 if (vbool(PENUMBRAS))
642 op = addarg(op, "-ds .4");
643 else
644 op = addarg(op, "-ds 0");
645 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
646 if (vdef(AMBFILE)) {
647 sprintf(op, " -af %s", vval(AMBFILE));
648 op += strlen(op);
649 } else
650 overture = 0;
651 switch (vscale(VARIABILITY)) {
652 case LOW:
653 op = addarg(op, "-aa .3 -ad 256");
654 break;
655 case MEDIUM:
656 op = addarg(op, "-aa .25 -ad 512");
657 break;
658 case HIGH:
659 op = addarg(op, "-aa .2 -ad 1024");
660 break;
661 }
662 op = addarg(op, "-as 0");
663 d = ambval();
664 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
665 op += strlen(op);
666 op = addarg(op, "-lr 6 -lw .01");
667 if (vdef(RENDER))
668 op = addarg(op, vval(RENDER));
669 }
670
671
672 medqopts(op, po) /* medium quality rendering options */
673 register char *op;
674 char *po;
675 {
676 double d, org[3], siz[3], asz;
677
678 *op = '\0';
679 *po = '\0';
680 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
681 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
682 badvalue(ZONE);
683 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
684 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
685 badvalue(ZONE);
686 getoctcube(org, &d);
687 asz = (siz[0]+siz[1]+siz[2])/3.;
688 d /= asz;
689 switch (vscale(DETAIL)) {
690 case LOW:
691 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
692 op = addarg(op, "-dp 256");
693 sprintf(op, " -ar %d", (int)(16*d));
694 op += strlen(op);
695 sprintf(op, " -ms %.2g", asz/20.);
696 op += strlen(op);
697 break;
698 case MEDIUM:
699 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
700 op = addarg(op, "-dp 512");
701 sprintf(op, " -ar %d", (int)(32*d));
702 op += strlen(op);
703 sprintf(op, " -ms %.2g", asz/40.);
704 op += strlen(op);
705 break;
706 case HIGH:
707 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
708 op = addarg(op, "-dp 1024");
709 sprintf(op, " -ar %d", (int)(64*d));
710 op += strlen(op);
711 sprintf(op, " -ms %.2g", asz/80.);
712 op += strlen(op);
713 break;
714 }
715 po = addarg(po, "-pt .08");
716 if (vbool(PENUMBRAS))
717 op = addarg(op, "-ds .2 -dj .5");
718 else
719 op = addarg(op, "-ds .3");
720 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
721 if ( (overture = vint(INDIRECT)) ) {
722 sprintf(op, " -ab %d", overture);
723 op += strlen(op);
724 }
725 if (vdef(AMBFILE)) {
726 sprintf(op, " -af %s", vval(AMBFILE));
727 op += strlen(op);
728 } else
729 overture = 0;
730 switch (vscale(VARIABILITY)) {
731 case LOW:
732 op = addarg(op, "-aa .2 -ad 329 -as 42");
733 break;
734 case MEDIUM:
735 op = addarg(op, "-aa .15 -ad 800 -as 128");
736 break;
737 case HIGH:
738 op = addarg(op, "-aa .1 -ad 1536 -as 392");
739 break;
740 }
741 d = ambval();
742 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
743 op += strlen(op);
744 op = addarg(op, "-lr 8 -lw .002");
745 if (vdef(RENDER))
746 op = addarg(op, vval(RENDER));
747 }
748
749
750 hiqopts(op, po) /* high quality rendering options */
751 register char *op;
752 char *po;
753 {
754 double d, org[3], siz[3], asz;
755
756 *op = '\0';
757 *po = '\0';
758 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
759 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
760 badvalue(ZONE);
761 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
762 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
763 badvalue(ZONE);
764 getoctcube(org, &d);
765 asz = (siz[0]+siz[1]+siz[2])/3.;
766 d /= asz;
767 switch (vscale(DETAIL)) {
768 case LOW:
769 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
770 op = addarg(op, "-dp 1024");
771 sprintf(op, " -ar %d", (int)(32*d));
772 op += strlen(op);
773 sprintf(op, " -ms %.2g", asz/40.);
774 op += strlen(op);
775 break;
776 case MEDIUM:
777 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
778 op = addarg(op, "-dp 2048");
779 sprintf(op, " -ar %d", (int)(64*d));
780 op += strlen(op);
781 sprintf(op, " -ms %.2g", asz/80.);
782 op += strlen(op);
783 break;
784 case HIGH:
785 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
786 op = addarg(op, "-dp 4096");
787 sprintf(op, " -ar %d", (int)(128*d));
788 op += strlen(op);
789 sprintf(op, " -ms %.2g", asz/160.);
790 op += strlen(op);
791 break;
792 }
793 po = addarg(po, "-pt .04");
794 if (vbool(PENUMBRAS))
795 op = addarg(op, "-ds .1 -dj .65");
796 else
797 op = addarg(op, "-ds .2");
798 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
799 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
800 op += strlen(op);
801 if (vdef(AMBFILE)) {
802 sprintf(op, " -af %s", vval(AMBFILE));
803 op += strlen(op);
804 } else
805 overture = 0;
806 switch (vscale(VARIABILITY)) {
807 case LOW:
808 op = addarg(op, "-aa .125 -ad 512 -as 64");
809 break;
810 case MEDIUM:
811 op = addarg(op, "-aa .1 -ad 1536 -as 768");
812 break;
813 case HIGH:
814 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
815 break;
816 }
817 d = ambval();
818 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
819 op += strlen(op);
820 op = addarg(op, "-lr 12 -lw .0005");
821 if (vdef(RENDER))
822 op = addarg(op, vval(RENDER));
823 }
824
825
826 xferopts(ro) /* transfer options if indicated */
827 char *ro;
828 {
829 int fd, n;
830 register char *cp;
831
832 n = strlen(ro);
833 if (n < 2)
834 return;
835 if (vdef(OPTFILE)) {
836 for (cp = ro; cp[1]; cp++)
837 if (isspace(cp[1]) && (cp[2] == '@' ||
838 (cp[2] == '-' && isalpha(cp[3]))))
839 *cp = '\n';
840 else
841 *cp = cp[1];
842 *cp = '\n';
843 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
844 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
845 syserr(vval(OPTFILE));
846 sprintf(ro, " @%s", vval(OPTFILE));
847 }
848 #ifdef _WIN32
849 else if (n > 50) {
850 setenv("ROPT", ro+1);
851 strcpy(ro, " $ROPT");
852 }
853 #endif
854 }
855
856
857 pfiltopts(po) /* get pfilt options */
858 register char *po;
859 {
860 *po = '\0';
861 if (vdef(EXPOSURE)) {
862 po = addarg(po, "-1 -e");
863 po = addarg(po, vval(EXPOSURE));
864 }
865 switch (vscale(QUALITY)) {
866 case MEDIUM:
867 po = addarg(po, "-r .6");
868 break;
869 case HIGH:
870 po = addarg(po, "-m .25");
871 break;
872 }
873 if (vdef(PFILT))
874 po = addarg(po, vval(PFILT));
875 }
876
877
878 matchword(s1, s2) /* match white-delimited words */
879 register char *s1, *s2;
880 {
881 while (isspace(*s1)) s1++;
882 while (isspace(*s2)) s2++;
883 while (*s1 && !isspace(*s1))
884 if (*s1++ != *s2++)
885 return(0);
886 return(!*s2 || isspace(*s2));
887 }
888
889
890 char *
891 specview(vs) /* get proper view spec from vs */
892 register char *vs;
893 {
894 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
895 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
896 static char viewopts[128];
897 register char *cp;
898 int xpos, ypos, zpos, viewtype, upax;
899 register int i;
900 double cent[3], dim[3], mult, d;
901
902 if (vs == NULL || *vs == '-')
903 return(vs);
904 upax = 0; /* get the up vector */
905 if (vdef(UP)) {
906 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
907 upax = 1-'X'+UPPER(vval(UP)[1]);
908 else
909 upax = 1-'X'+vlet(UP);
910 if ((upax < 1) | (upax > 3))
911 badvalue(UP);
912 if (vval(UP)[0] == '-')
913 upax = -upax;
914 }
915 /* check standard view names */
916 xpos = ypos = zpos = 0;
917 if (*vs == 'X') {
918 xpos = 1; vs++;
919 } else if (*vs == 'x') {
920 xpos = -1; vs++;
921 }
922 if (*vs == 'Y') {
923 ypos = 1; vs++;
924 } else if (*vs == 'y') {
925 ypos = -1; vs++;
926 }
927 if (*vs == 'Z') {
928 zpos = 1; vs++;
929 } else if (*vs == 'z') {
930 zpos = -1; vs++;
931 }
932 viewtype = 'v';
933 if((*vs == 'v') | (*vs == 'l') | (*vs == 'a') | (*vs == 'h') | (*vs == 'c'))
934 viewtype = *vs++;
935 cp = viewopts;
936 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
937 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
938 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
939 &cent[0], &dim[0], &cent[1], &dim[1],
940 &cent[2], &dim[2]) != 6)
941 badvalue(ZONE);
942 for (i = 0; i < 3; i++) {
943 dim[i] -= cent[i];
944 if (dim[i] <= FTINY)
945 badvalue(ZONE);
946 cent[i] += .5*dim[i];
947 }
948 mult = vlet(ZONE)=='E' ? 2. : .45 ;
949 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
950 cent[0]+xpos*mult*dim[0],
951 cent[1]+ypos*mult*dim[1],
952 cent[2]+zpos*mult*dim[2],
953 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
954 cp += strlen(cp);
955 /* redirect up axis if necessary */
956 switch (upax) {
957 case 3: /* plus or minus Z axis */
958 case -3:
959 case 0:
960 if (!(xpos|ypos))
961 upax = 2;
962 break;
963 case 2: /* plus or minus Y axis */
964 case -2:
965 if (!(xpos|zpos))
966 upax = 1;
967 break;
968 case 1: /* plus or minus X axis */
969 case -1:
970 if (!(ypos|zpos))
971 upax = 3;
972 break;
973 }
974 cp = addarg(cp, vup[upax+3]);
975 switch (viewtype) {
976 case 'v':
977 cp = addarg(cp, "-vh 45 -vv 45");
978 break;
979 case 'l':
980 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
981 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
982 cp += strlen(cp);
983 break;
984 case 'a':
985 case 'h':
986 cp = addarg(cp, "-vh 180 -vv 180");
987 break;
988 case 'c':
989 cp = addarg(cp, "-vh 180 -vv 90");
990 break;
991 }
992 } else {
993 while (!isspace(*vs)) /* else skip id */
994 if (!*vs++)
995 return(NULL);
996 if (upax) { /* specify up vector */
997 strcpy(cp, vup[upax+3]);
998 cp += strlen(cp);
999 }
1000 }
1001 if (cp == viewopts) /* append any additional options */
1002 vs++; /* skip prefixed space if unneeded */
1003 strcpy(cp, vs);
1004 #ifdef _WIN32
1005 if (strlen(viewopts) > 40) {
1006 setenv("VIEW", viewopts);
1007 return("$VIEW");
1008 }
1009 #endif
1010 return(viewopts);
1011 }
1012
1013
1014 char *
1015 getview(n, vn) /* get view n, or NULL if none */
1016 int n;
1017 char *vn; /* returned view name */
1018 {
1019 register char *mv;
1020
1021 if (viewselect != NULL) { /* command-line selected */
1022 if (n) /* only do one */
1023 return(NULL);
1024 if (viewselect[0] == '-') { /* already specified */
1025 if (vn != NULL) *vn = '\0';
1026 return(viewselect);
1027 }
1028 if (vn != NULL) {
1029 for (mv = viewselect; *mv && !isspace(*mv);
1030 *vn++ = *mv++)
1031 ;
1032 *vn = '\0';
1033 }
1034 /* view number? */
1035 if (isint(viewselect))
1036 return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1037 /* check list */
1038 while ((mv = nvalue(VIEWS, n++)) != NULL)
1039 if (matchword(viewselect, mv))
1040 return(specview(mv));
1041 return(specview(viewselect)); /* standard view? */
1042 }
1043 mv = nvalue(VIEWS, n); /* use view n */
1044 if ((vn != NULL) & (mv != NULL)) {
1045 register char *mv2 = mv;
1046 if (*mv2 != '-')
1047 while (*mv2 && !isspace(*mv2))
1048 *vn++ = *mv2++;
1049 *vn = '\0';
1050 }
1051 return(specview(mv));
1052 }
1053
1054
1055 int
1056 myprintview(vopts, fp) /* print out selected view */
1057 register char *vopts;
1058 FILE *fp;
1059 {
1060 VIEW vwr;
1061 char buf[128];
1062 register char *cp;
1063 again:
1064 if (vopts == NULL)
1065 return(-1);
1066 #ifdef _WIN32
1067 if (vopts[0] == '$') {
1068 vopts = getenv(vopts+1);
1069 goto again;
1070 }
1071 #endif
1072 vwr = stdview;
1073 sscanview(&vwr, cp=vopts); /* set initial options */
1074 while ((cp = strstr(cp, "-vf ")) != NULL &&
1075 *atos(buf, sizeof(buf), cp += 4)) {
1076 viewfile(buf, &vwr, NULL); /* load -vf file */
1077 sscanview(&vwr, cp); /* reset tail */
1078 }
1079 fputs(VIEWSTR, fp);
1080 fprintview(&vwr, fp); /* print full spec. */
1081 fputc('\n', fp);
1082 return(0);
1083 }
1084
1085
1086 rvu(opts, po) /* run rvu with first view */
1087 char *opts, *po;
1088 {
1089 char *vw;
1090 char combuf[PATH_MAX];
1091 /* build command */
1092 if (touchonly || (vw = getview(0, NULL)) == NULL)
1093 return;
1094 if (sayview)
1095 myprintview(vw, stdout);
1096 sprintf(combuf, "rvu %s%s%s -R %s ", vw, po, opts, rifname);
1097 if (rvdevice != NULL)
1098 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1099 if (vdef(EXPOSURE))
1100 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1101 strcat(combuf, oct1name);
1102 if (runcom(combuf)) { /* run it */
1103 fprintf(stderr, "%s: error running rvu\n", progname);
1104 quit(1);
1105 }
1106 }
1107
1108
1109 rpict(opts, po) /* run rpict and pfilt for each view */
1110 char *opts, *po;
1111 {
1112 char combuf[PATH_MAX];
1113 char rawfile[PATH_MAX], picfile[PATH_MAX];
1114 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1115 char rppopt[128], *pfile = NULL;
1116 char pfopts[128];
1117 char vs[32], *vw;
1118 int vn, mult;
1119 FILE *fp;
1120 time_t rfdt, pfdt;
1121 /* get pfilt options */
1122 pfiltopts(pfopts);
1123 /* get resolution, reporting */
1124 switch (vscale(QUALITY)) {
1125 case LOW:
1126 mult = 1;
1127 break;
1128 case MEDIUM:
1129 mult = 2;
1130 break;
1131 case HIGH:
1132 mult = 3;
1133 break;
1134 }
1135 {
1136 int xres, yres;
1137 double aspect;
1138 int n;
1139 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1140 if (n == 3)
1141 sprintf(res, "-x %d -y %d -pa %.3f",
1142 mult*xres, mult*yres, aspect);
1143 else if (n) {
1144 if (n == 1) yres = xres;
1145 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1146 } else
1147 badvalue(RESOLUTION);
1148 }
1149 rep[0] = '\0';
1150 if (vdef(REPORT)) {
1151 double minutes;
1152 int n;
1153 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1154 if (n == 2)
1155 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1156 else if (n == 1)
1157 sprintf(rep, " -t %d", (int)(minutes*60));
1158 else
1159 badvalue(REPORT);
1160 }
1161 /* set up parallel rendering */
1162 if ((nprocs > 1) & (!vdef(ZFILE))) {
1163 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1164 pfile = rppopt+9;
1165 if (mktemp(pfile) == NULL)
1166 pfile = NULL;
1167 }
1168 vn = 0; /* do each view */
1169 while ((vw = getview(vn++, vs)) != NULL) {
1170 if (sayview)
1171 myprintview(vw, stdout);
1172 if (!vs[0])
1173 sprintf(vs, "%d", vn);
1174 sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1175 if (vdef(ZFILE))
1176 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1177 else
1178 zopt[0] = '\0';
1179 /* check date on picture */
1180 pfdt = fdate(picfile);
1181 if (pfdt >= oct1date)
1182 continue;
1183 /* get raw file name */
1184 sprintf(rawfile, "%s_%s.unf",
1185 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1186 rfdt = fdate(rawfile);
1187 if (touchonly) { /* update times only */
1188 if (rfdt) {
1189 if (rfdt < oct1date)
1190 touch(rawfile);
1191 } else if (pfdt && pfdt < oct1date)
1192 touch(picfile);
1193 continue;
1194 }
1195 if (next_process()) { /* parallel running? */
1196 if (pfile != NULL)
1197 sleep(20);
1198 continue;
1199 }
1200 /* XXX Remember to call finish_process() */
1201 /* build rpict command */
1202 if (rfdt >= oct1date) { /* recover */
1203 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1204 rep, po, opts, zopt, rawfile, oct1name);
1205 if (runcom(combuf)) /* run rpict */
1206 goto rperror;
1207 } else {
1208 if (overture) { /* run overture calculation */
1209 sprintf(combuf,
1210 "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1211 rep, vw, opts,
1212 oct1name, overfile);
1213 if (runcom(combuf)) {
1214 fprintf(stderr,
1215 "%s: error in overture for view %s\n",
1216 progname, vs);
1217 quit(1);
1218 }
1219 #ifndef NULL_DEVICE
1220 rmfile(overfile);
1221 #endif
1222 }
1223 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1224 rep, vw, res, po, opts,
1225 zopt, oct1name, rawfile);
1226 if (pfile != NULL && inchild()) {
1227 /* rpict persistent mode */
1228 if (!silent)
1229 printf("\t%s\n", combuf);
1230 sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1231 rep, rppopt, res, po, opts,
1232 oct1name, rawfile);
1233 fflush(stdout);
1234 fp = popen(combuf, "w");
1235 if (fp == NULL)
1236 goto rperror;
1237 myprintview(vw, fp);
1238 if (pclose(fp))
1239 goto rperror;
1240 } else { /* rpict normal mode */
1241 if (runcom(combuf))
1242 goto rperror;
1243 }
1244 }
1245 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1246 /* build pfilt command */
1247 if (mult > 1)
1248 sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1249 pfopts, mult, mult, rawfile, picfile);
1250 else
1251 sprintf(combuf, "pfilt%s %s > %s", pfopts,
1252 rawfile, picfile);
1253 if (runcom(combuf)) { /* run pfilt */
1254 fprintf(stderr,
1255 "%s: error filtering view %s\n\t%s removed\n",
1256 progname, vs, picfile);
1257 unlink(picfile);
1258 quit(1);
1259 }
1260 }
1261 /* remove/rename raw file */
1262 if (vdef(RAWFILE)) {
1263 sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1264 mvfile(rawfile, combuf);
1265 } else
1266 rmfile(rawfile);
1267 finish_process(); /* exit if child */
1268 }
1269 wait_process(1); /* wait for children to finish */
1270 if (pfile != NULL) { /* clean up rpict persistent mode */
1271 int pid;
1272 fp = fopen(pfile, "r");
1273 if (fp != NULL) {
1274 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1275 kill(pid, 1) < 0)
1276 unlink(pfile);
1277 fclose(fp);
1278 }
1279 }
1280 return;
1281 rperror:
1282 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1283 quit(1);
1284 }
1285
1286
1287 touch(fn) /* update a file */
1288 char *fn;
1289 {
1290 if (!silent)
1291 printf("\ttouch %s\n", fn);
1292 if (!nprocs)
1293 return(0);
1294 #ifdef notused
1295 if (access(fn, F_OK) == -1) /* create it */
1296 if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1297 return(-1);
1298 #endif
1299 return(setfdate(fn, time((time_t *)NULL)));
1300 }
1301
1302
1303 runcom(cs) /* run command */
1304 char *cs;
1305 {
1306 if (!silent) /* echo it */
1307 printf("\t%s\n", cs);
1308 if (!nprocs)
1309 return(0);
1310 fflush(stdout); /* flush output and pass to shell */
1311 return(system(cs));
1312 }
1313
1314
1315 rmfile(fn) /* remove a file */
1316 char *fn;
1317 {
1318 if (!silent)
1319 printf("\t%s %s\n", DELCMD, fn);
1320 if (!nprocs)
1321 return(0);
1322 return(unlink(fn));
1323 }
1324
1325
1326 mvfile(fold, fnew) /* move a file */
1327 char *fold, *fnew;
1328 {
1329 if (!silent)
1330 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1331 if (!nprocs)
1332 return(0);
1333 return(rename(fold, fnew));
1334 }
1335
1336
1337 #ifdef RHAS_FORK_EXEC
1338 int
1339 next_process() /* fork the next process (max. nprocs) */
1340 {
1341 int child_pid;
1342
1343 if (nprocs <= 1)
1344 return(0); /* it's us or no one */
1345 if (inchild()) {
1346 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1347 progname);
1348 quit(1);
1349 }
1350 if (children_running >= nprocs)
1351 wait_process(0); /* wait for someone to finish */
1352 fflush(stdout);
1353 child_pid = fork(); /* split process */
1354 if (child_pid == 0) { /* we're the child */
1355 children_running = -1;
1356 return(0);
1357 }
1358 if (child_pid > 0) { /* we're the parent */
1359 ++children_running;
1360 return(1);
1361 }
1362 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1363 return(0);
1364 }
1365
1366 wait_process(all) /* wait for process(es) to finish */
1367 int all;
1368 {
1369 int ourstatus = 0;
1370 int pid, status;
1371
1372 if (all)
1373 all = children_running;
1374 else if (children_running > 0)
1375 all = 1;
1376 while (all-- > 0) {
1377 pid = wait(&status);
1378 if (pid < 0)
1379 syserr(progname);
1380 status = status>>8 & 0xff;
1381 --children_running;
1382 if (status != 0) { /* child's problem is our problem */
1383 if ((ourstatus == 0) & (children_running > 0))
1384 fprintf(stderr, "%s: waiting for remaining processes\n",
1385 progname);
1386 ourstatus = status;
1387 all = children_running;
1388 }
1389 }
1390 if (ourstatus != 0)
1391 quit(ourstatus); /* bad status from child */
1392 }
1393 #else /* ! RHAS_FORK_EXEC */
1394 int
1395 next_process()
1396 {
1397 return(0); /* cannot start new process */
1398 }
1399 wait_process(all)
1400 int all;
1401 {
1402 (void)all; /* no one to wait for */
1403 }
1404 int
1405 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1406 int pid, sig;
1407 {
1408 return 0;
1409 }
1410 #endif /* ! RHAS_FORK_EXEC */
1411
1412 finish_process() /* exit a child process */
1413 {
1414 if (!inchild())
1415 return; /* in parent -- noop */
1416 exit(0);
1417 }
1418
1419 #ifdef _WIN32
1420 setenv(vname, value) /* set an environment variable */
1421 char *vname, *value;
1422 {
1423 register char *evp;
1424
1425 evp = bmalloc(strlen(vname)+strlen(value)+2);
1426 if (evp == NULL)
1427 syserr(progname);
1428 sprintf(evp, "%s=%s", vname, value);
1429 if (putenv(evp) != 0) {
1430 fprintf(stderr, "%s: out of environment space\n", progname);
1431 quit(1);
1432 }
1433 if (!silent)
1434 printf("set %s\n", evp);
1435 }
1436 #endif
1437
1438
1439 badvalue(vc) /* report bad variable value and exit */
1440 int vc;
1441 {
1442 fprintf(stderr, "%s: bad value for variable '%s'\n",
1443 progname, vnam(vc));
1444 quit(1);
1445 }
1446
1447
1448 syserr(s) /* report a system error and exit */
1449 char *s;
1450 {
1451 perror(s);
1452 quit(1);
1453 }
1454
1455
1456 void
1457 quit(ec) /* exit program */
1458 int ec;
1459 {
1460 exit(ec);
1461 }