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root/radiance/ray/src/util/rad.c
Revision: 2.67
Committed: Thu Jul 3 18:03:58 2003 UTC (20 years, 9 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.66: +68 -20 lines
Log Message:
Allowed rad to use rpict -PP option and corrected CAPDATE output

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.66 2003/07/03 15:00:19 greg Exp $";
3 #endif
4 /*
5 * Executive program for oconv, rpict and pfilt
6 */
7
8 #include "standard.h"
9
10 #include <ctype.h>
11
12 #include "platform.h"
13 #include "view.h"
14 #include "paths.h"
15 #include "vars.h"
16
17 /* variables (alphabetical by name) */
18 #define AMBFILE 0 /* ambient file name */
19 #define DETAIL 1 /* level of scene detail */
20 #define EXPOSURE 2 /* picture exposure setting */
21 #define EYESEP 3 /* interocular distance */
22 #define ILLUM 4 /* mkillum input files */
23 #define INDIRECT 5 /* indirection in lighting */
24 #define MATERIAL 6 /* material files */
25 #define MKILLUM 7 /* mkillum options */
26 #define OBJECT 8 /* object files */
27 #define OCONV 9 /* oconv options */
28 #define OCTREE 10 /* octree file name */
29 #define OPTFILE 11 /* rendering options file */
30 #define PENUMBRAS 12 /* shadow penumbras are desired */
31 #define PFILT 13 /* pfilt options */
32 #define PICTURE 14 /* picture file root name */
33 #define QUALITY 15 /* desired rendering quality */
34 #define RAWFILE 16 /* raw picture file root name */
35 #define RENDER 17 /* rendering options */
36 #define REPORT 18 /* report frequency and errfile */
37 #define RESOLUTION 19 /* maximum picture resolution */
38 #define SCENE 20 /* scene files */
39 #define UP 21 /* view up (X, Y or Z) */
40 #define VARIABILITY 22 /* level of light variability */
41 #define VIEWS 23 /* view(s) for picture(s) */
42 #define ZFILE 24 /* distance file root name */
43 #define ZONE 25 /* simulation zone */
44 /* total number of variables */
45 int NVARS = 26;
46
47 VARIABLE vv[] = { /* variable-value pairs */
48 {"AMBFILE", 3, 0, NULL, onevalue},
49 {"DETAIL", 3, 0, NULL, qualvalue},
50 {"EXPOSURE", 3, 0, NULL, fltvalue},
51 {"EYESEP", 3, 0, NULL, fltvalue},
52 {"illum", 3, 0, NULL, catvalues},
53 {"INDIRECT", 3, 0, NULL, intvalue},
54 {"materials", 3, 0, NULL, catvalues},
55 {"mkillum", 3, 0, NULL, catvalues},
56 {"objects", 3, 0, NULL, catvalues},
57 {"oconv", 3, 0, NULL, catvalues},
58 {"OCTREE", 3, 0, NULL, onevalue},
59 {"OPTFILE", 3, 0, NULL, onevalue},
60 {"PENUMBRAS", 3, 0, NULL, boolvalue},
61 {"pfilt", 2, 0, NULL, catvalues},
62 {"PICTURE", 3, 0, NULL, onevalue},
63 {"QUALITY", 3, 0, NULL, qualvalue},
64 {"RAWFILE", 3, 0, NULL, onevalue},
65 {"render", 3, 0, NULL, catvalues},
66 {"REPORT", 3, 0, NULL, onevalue},
67 {"RESOLUTION", 3, 0, NULL, onevalue},
68 {"scene", 3, 0, NULL, catvalues},
69 {"UP", 2, 0, NULL, onevalue},
70 {"VARIABILITY", 3, 0, NULL, qualvalue},
71 {"view", 2, 0, NULL, NULL},
72 {"ZFILE", 2, 0, NULL, onevalue},
73 {"ZONE", 2, 0, NULL, onevalue},
74 };
75
76 /* overture calculation file */
77 #ifdef NULL_DEVICE
78 char overfile[] = NULL_DEVICE;
79 #else
80 char overfile[] = "overture.unf";
81 #endif
82
83 extern time_t time();
84
85 time_t scenedate; /* date of latest scene or object file */
86 time_t octreedate; /* date of octree */
87 time_t matdate; /* date of latest material file */
88 time_t illumdate; /* date of last illum file */
89
90 char *oct0name; /* name of pre-mkillum octree */
91 time_t oct0date; /* date of pre-mkillum octree */
92 char *oct1name; /* name of post-mkillum octree */
93 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
94
95 int nowarn = 0; /* no warnings */
96 int explicate = 0; /* explicate variables */
97 int silent = 0; /* do work silently */
98 int touchonly = 0; /* touch files only */
99 int nprocs = 1; /* maximum executing processes */
100 int sayview = 0; /* print view out */
101 char *rvdevice = NULL; /* rview output device */
102 char *viewselect = NULL; /* specific view only */
103
104 int overture = 0; /* overture calculation needed */
105
106 int children_running = 0; /* set negative in children */
107
108 char *progname; /* global argv[0] */
109 char *rifname; /* global rad input file name */
110
111 char radname[PATH_MAX]; /* root Radiance file name */
112
113 #define inchild() (children_running < 0)
114
115
116 main(argc, argv)
117 int argc;
118 char *argv[];
119 {
120 char ropts[512];
121 char popts[64];
122 int i;
123
124 progname = argv[0];
125 /* get options */
126 for (i = 1; i < argc && argv[i][0] == '-'; i++)
127 switch (argv[i][1]) {
128 case 's':
129 silent++;
130 break;
131 case 'n':
132 nprocs = 0;
133 break;
134 case 'N':
135 nprocs = atoi(argv[++i]);
136 if (nprocs < 0)
137 nprocs = 0;
138 break;
139 case 't':
140 touchonly++;
141 break;
142 case 'e':
143 explicate++;
144 break;
145 case 'o':
146 rvdevice = argv[++i];
147 break;
148 case 'V':
149 sayview++;
150 break;
151 case 'v':
152 viewselect = argv[++i];
153 break;
154 case 'w':
155 nowarn++;
156 break;
157 default:
158 goto userr;
159 }
160 if (i >= argc)
161 goto userr;
162 rifname = argv[i];
163 /* check command-line options */
164 if (nprocs > 1 & viewselect != NULL)
165 nprocs = 1;
166 /* assign Radiance root file name */
167 rootname(radname, rifname);
168 /* load variable values */
169 loadvars(rifname);
170 /* get any additional assignments */
171 for (i++; i < argc; i++)
172 if (setvariable(argv[i], matchvar) < 0) {
173 fprintf(stderr, "%s: unknown variable: %s\n",
174 progname, argv[i]);
175 quit(1);
176 }
177 /* check assignments */
178 checkvalues();
179 /* check files and dates */
180 checkfiles();
181 /* set default values as necessary */
182 setdefaults();
183 /* print all values if requested */
184 if (explicate)
185 printvars(stdout);
186 /* build octree (and run mkillum) */
187 oconv();
188 /* check date on ambient file */
189 checkambfile();
190 /* run simulation */
191 renderopts(ropts, popts);
192 xferopts(ropts);
193 if (rvdevice != NULL)
194 rview(ropts, popts);
195 else
196 rpict(ropts, popts);
197 quit(0);
198 userr:
199 fprintf(stderr,
200 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
201 progname);
202 quit(1);
203 }
204
205
206 rootname(rn, fn) /* remove tail from end of fn */
207 register char *rn, *fn;
208 {
209 char *tp, *dp;
210
211 for (tp = NULL, dp = rn; *rn = *fn++; rn++)
212 if (ISDIRSEP(*rn))
213 dp = rn;
214 else if (*rn == '.')
215 tp = rn;
216 if (tp != NULL && tp > dp)
217 *tp = '\0';
218 }
219
220
221 time_t
222 checklast(fnames) /* check files and find most recent */
223 register char *fnames;
224 {
225 char thisfile[PATH_MAX];
226 time_t thisdate, lastdate = 0;
227
228 if (fnames == NULL)
229 return(0);
230 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
231 if (thisfile[0] == '!' ||
232 (thisfile[0] == '\\' && thisfile[1] == '!'))
233 continue;
234 if (!(thisdate = fdate(thisfile)))
235 syserr(thisfile);
236 if (thisdate > lastdate)
237 lastdate = thisdate;
238 }
239 return(lastdate);
240 }
241
242
243 char *
244 newfname(orig, pred) /* create modified file name */
245 char *orig;
246 int pred;
247 {
248 register char *cp;
249 register int n;
250 int suffix;
251
252 n = 0; cp = orig; suffix = -1; /* suffix position, length */
253 while (*cp) {
254 if (*cp == '.') suffix = n;
255 else if (ISDIRSEP(*cp)) suffix = -1;
256 cp++; n++;
257 }
258 if (suffix == -1) suffix = n;
259 if ((cp = bmalloc(n+2)) == NULL)
260 syserr(progname);
261 strncpy(cp, orig, suffix);
262 cp[suffix] = pred; /* root name + pred + suffix */
263 strcpy(cp+suffix+1, orig+suffix);
264 return(cp);
265 }
266
267
268 checkfiles() /* check for existence and modified times */
269 {
270 time_t objdate;
271
272 if (!vdef(OCTREE)) {
273 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
274 syserr(progname);
275 sprintf(vval(OCTREE), "%s.oct", radname);
276 vdef(OCTREE)++;
277 } else if (vval(OCTREE)[0] == '!') {
278 fprintf(stderr, "%s: illegal '%s' specification\n",
279 progname, vnam(OCTREE));
280 quit(1);
281 }
282 octreedate = fdate(vval(OCTREE));
283 if (vdef(ILLUM)) { /* illum requires secondary octrees */
284 oct0name = newfname(vval(OCTREE), '0');
285 oct1name = newfname(vval(OCTREE), '1');
286 oct0date = fdate(oct0name);
287 oct1date = fdate(oct1name);
288 } else
289 oct0name = oct1name = vval(OCTREE);
290 if ((scenedate = checklast(vval(SCENE))) &&
291 (objdate = checklast(vval(OBJECT))) > scenedate)
292 scenedate = objdate;
293 illumdate = checklast(vval(ILLUM));
294 if (!octreedate & !scenedate & !illumdate) {
295 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
296 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
297 quit(1);
298 }
299 matdate = checklast(vval(MATERIAL));
300 }
301
302
303 getoctcube(org, sizp) /* get octree bounding cube */
304 double org[3], *sizp;
305 {
306 extern FILE *popen();
307 static double oorg[3], osiz = 0.;
308 double min[3], max[3];
309 char buf[1024];
310 FILE *fp;
311 register int i;
312
313 if (osiz <= FTINY)
314 if (!nprocs && fdate(oct1name) <
315 (scenedate>illumdate?scenedate:illumdate)) {
316 /* run getbbox */
317 sprintf(buf, "getbbox -w -h %s",
318 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
319 if ((fp = popen(buf, "r")) == NULL)
320 syserr("getbbox");
321 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
322 &min[0], &max[0], &min[1], &max[1],
323 &min[2], &max[2]) != 6) {
324 fprintf(stderr,
325 "%s: error reading bounding box from getbbox\n",
326 progname);
327 quit(1);
328 }
329 for (i = 0; i < 3; i++)
330 if (max[i] - min[i] > osiz)
331 osiz = max[i] - min[i];
332 for (i = 0; i < 3; i++)
333 oorg[i] = (max[i]+min[i]-osiz)*.5;
334 pclose(fp);
335 } else { /* from octree */
336 oconv(); /* does nothing if done already */
337 sprintf(buf, "getinfo -d < %s", oct1name);
338 if ((fp = popen(buf, "r")) == NULL)
339 syserr("getinfo");
340 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
341 &oorg[2], &osiz) != 4) {
342 fprintf(stderr,
343 "%s: error reading bounding cube from getinfo\n",
344 progname);
345 quit(1);
346 }
347 pclose(fp);
348 }
349 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
350 }
351
352
353 setdefaults() /* set default values for unassigned var's */
354 {
355 double org[3], lim[3], size;
356 char buf[128];
357
358 if (!vdef(ZONE)) {
359 getoctcube(org, &size);
360 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
361 org[1], org[1]+size, org[2], org[2]+size);
362 vval(ZONE) = savqstr(buf);
363 vdef(ZONE)++;
364 }
365 if (!vdef(EYESEP)) {
366 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
367 &org[0], &lim[0], &org[1], &lim[1],
368 &org[2], &lim[2]) != 6)
369 badvalue(ZONE);
370 sprintf(buf, "%f",
371 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
372 vval(EYESEP) = savqstr(buf);
373 vdef(EYESEP)++;
374 }
375 if (!vdef(INDIRECT)) {
376 vval(INDIRECT) = "0";
377 vdef(INDIRECT)++;
378 }
379 if (!vdef(QUALITY)) {
380 vval(QUALITY) = "L";
381 vdef(QUALITY)++;
382 }
383 if (!vdef(RESOLUTION)) {
384 vval(RESOLUTION) = "512";
385 vdef(RESOLUTION)++;
386 }
387 if (!vdef(PICTURE)) {
388 vval(PICTURE) = radname;
389 vdef(PICTURE)++;
390 }
391 if (!vdef(VIEWS)) {
392 vval(VIEWS) = "X";
393 vdef(VIEWS)++;
394 }
395 if (!vdef(DETAIL)) {
396 vval(DETAIL) = "M";
397 vdef(DETAIL)++;
398 }
399 if (!vdef(PENUMBRAS)) {
400 vval(PENUMBRAS) = "F";
401 vdef(PENUMBRAS)++;
402 }
403 if (!vdef(VARIABILITY)) {
404 vval(VARIABILITY) = "L";
405 vdef(VARIABILITY)++;
406 }
407 }
408
409
410 oconv() /* run oconv and mkillum if necessary */
411 {
412 static char illumtmp[] = "ilXXXXXX";
413 char combuf[PATH_MAX], ocopts[64], mkopts[64];
414
415 oconvopts(ocopts); /* get options */
416 if (octreedate < scenedate) { /* check date on original octree */
417 if (touchonly && octreedate)
418 touch(vval(OCTREE));
419 else { /* build command */
420 if (vdef(MATERIAL))
421 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
422 vval(MATERIAL), vval(SCENE),
423 vval(OCTREE));
424 else
425 sprintf(combuf, "oconv%s %s > %s", ocopts,
426 vval(SCENE), vval(OCTREE));
427
428 if (runcom(combuf)) { /* run it */
429 fprintf(stderr,
430 "%s: error generating octree\n\t%s removed\n",
431 progname, vval(OCTREE));
432 unlink(vval(OCTREE));
433 quit(1);
434 }
435 }
436 octreedate = time((time_t *)NULL);
437 if (octreedate < scenedate) /* in case clock is off */
438 octreedate = scenedate;
439 }
440 if (oct1name == vval(OCTREE)) /* no mkillum? */
441 oct1date = octreedate > matdate ? octreedate : matdate;
442 if (oct1date >= octreedate & oct1date >= matdate
443 & oct1date >= illumdate) /* all done */
444 return;
445 /* make octree0 */
446 if (oct0date < scenedate | oct0date < illumdate) {
447 if (touchonly && oct0date)
448 touch(oct0name);
449 else { /* build command */
450 if (octreedate)
451 sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
452 vval(OCTREE), vval(ILLUM), oct0name);
453 else if (vdef(MATERIAL))
454 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
455 vval(MATERIAL), vval(ILLUM), oct0name);
456 else
457 sprintf(combuf, "oconv%s %s > %s", ocopts,
458 vval(ILLUM), oct0name);
459 if (runcom(combuf)) { /* run it */
460 fprintf(stderr,
461 "%s: error generating octree\n\t%s removed\n",
462 progname, oct0name);
463 unlink(oct0name);
464 quit(1);
465 }
466 }
467 oct0date = time((time_t *)NULL);
468 if (oct0date < octreedate) /* in case clock is off */
469 oct0date = octreedate;
470 if (oct0date < illumdate) /* ditto */
471 oct0date = illumdate;
472 }
473 if (touchonly && oct1date)
474 touch(oct1name);
475 else {
476 mkillumopts(mkopts); /* build mkillum command */
477 mktemp(illumtmp);
478 sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
479 oct0name, vval(ILLUM), illumtmp);
480 if (runcom(combuf)) { /* run it */
481 fprintf(stderr, "%s: error running mkillum\n",
482 progname);
483 unlink(illumtmp);
484 quit(1);
485 }
486 /* make octree1 (frozen) */
487 if (octreedate)
488 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
489 vval(OCTREE), illumtmp, oct1name);
490 else if (vdef(MATERIAL))
491 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
492 vval(MATERIAL), illumtmp, oct1name);
493 else
494 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
495 illumtmp, oct1name);
496 if (runcom(combuf)) { /* run it */
497 fprintf(stderr,
498 "%s: error generating octree\n\t%s removed\n",
499 progname, oct1name);
500 unlink(oct1name);
501 unlink(illumtmp);
502 quit(1);
503 }
504 rmfile(illumtmp);
505 }
506 oct1date = time((time_t *)NULL);
507 if (oct1date < oct0date) /* in case clock is off */
508 oct1date = oct0date;
509 }
510
511
512 char *
513 addarg(op, arg) /* add argument and advance pointer */
514 register char *op, *arg;
515 {
516 *op = ' ';
517 while (*++op = *arg++)
518 ;
519 return(op);
520 }
521
522
523 oconvopts(oo) /* get oconv options */
524 register char *oo;
525 {
526 /* BEWARE: This may be called via setdefaults(), so no assumptions */
527
528 *oo = '\0';
529 if (vdef(OCONV))
530 addarg(oo, vval(OCONV));
531 }
532
533
534 mkillumopts(mo) /* get mkillum options */
535 register char *mo;
536 {
537 /* BEWARE: This may be called via setdefaults(), so no assumptions */
538
539 *mo = '\0';
540 if (vdef(MKILLUM))
541 addarg(mo, vval(MKILLUM));
542 }
543
544
545 checkambfile() /* check date on ambient file */
546 {
547 time_t afdate;
548
549 if (!vdef(AMBFILE))
550 return;
551 if (!(afdate = fdate(vval(AMBFILE))))
552 return;
553 if (oct1date > afdate)
554 if (touchonly)
555 touch(vval(AMBFILE));
556 else
557 rmfile(vval(AMBFILE));
558 }
559
560
561 double
562 ambval() /* compute ambient value */
563 {
564 if (vdef(EXPOSURE)) {
565 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
566 return(.5/pow(2.,vflt(EXPOSURE)));
567 return(.5/vflt(EXPOSURE));
568 }
569 if (vlet(ZONE) == 'E')
570 return(10.);
571 if (vlet(ZONE) == 'I')
572 return(.01);
573 badvalue(ZONE);
574 }
575
576
577 renderopts(op, po) /* set rendering options */
578 char *op, *po;
579 {
580 switch(vscale(QUALITY)) {
581 case LOW:
582 lowqopts(op, po);
583 break;
584 case MEDIUM:
585 medqopts(op, po);
586 break;
587 case HIGH:
588 hiqopts(op, po);
589 break;
590 }
591 }
592
593
594 lowqopts(op, po) /* low quality rendering options */
595 register char *op;
596 char *po;
597 {
598 double d, org[3], siz[3];
599
600 *op = '\0';
601 *po = '\0';
602 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
603 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
604 badvalue(ZONE);
605 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
606 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
607 badvalue(ZONE);
608 getoctcube(org, &d);
609 d *= 3./(siz[0]+siz[1]+siz[2]);
610 switch (vscale(DETAIL)) {
611 case LOW:
612 po = addarg(po, "-ps 16");
613 op = addarg(op, "-dp 64");
614 sprintf(op, " -ar %d", (int)(4*d));
615 op += strlen(op);
616 break;
617 case MEDIUM:
618 po = addarg(po, "-ps 8");
619 op = addarg(op, "-dp 128");
620 sprintf(op, " -ar %d", (int)(8*d));
621 op += strlen(op);
622 break;
623 case HIGH:
624 po = addarg(po, "-ps 4");
625 op = addarg(op, "-dp 256");
626 sprintf(op, " -ar %d", (int)(16*d));
627 op += strlen(op);
628 break;
629 }
630 po = addarg(po, "-pt .16");
631 if (vbool(PENUMBRAS))
632 op = addarg(op, "-ds .4");
633 else
634 op = addarg(op, "-ds 0");
635 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
636 if (vdef(AMBFILE)) {
637 sprintf(op, " -af %s", vval(AMBFILE));
638 op += strlen(op);
639 } else
640 overture = 0;
641 switch (vscale(VARIABILITY)) {
642 case LOW:
643 op = addarg(op, "-aa .4 -ad 64");
644 break;
645 case MEDIUM:
646 op = addarg(op, "-aa .3 -ad 128");
647 break;
648 case HIGH:
649 op = addarg(op, "-aa .25 -ad 256");
650 break;
651 }
652 op = addarg(op, "-as 0");
653 d = ambval();
654 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
655 op += strlen(op);
656 op = addarg(op, "-lr 3 -lw .02");
657 if (vdef(RENDER))
658 op = addarg(op, vval(RENDER));
659 }
660
661
662 medqopts(op, po) /* medium quality rendering options */
663 register char *op;
664 char *po;
665 {
666 double d, org[3], siz[3], asz;
667
668 *op = '\0';
669 *po = '\0';
670 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
671 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
672 badvalue(ZONE);
673 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
674 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
675 badvalue(ZONE);
676 getoctcube(org, &d);
677 asz = (siz[0]+siz[1]+siz[2])/3.;
678 d /= asz;
679 switch (vscale(DETAIL)) {
680 case LOW:
681 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
682 op = addarg(op, "-dp 256");
683 sprintf(op, " -ar %d", (int)(8*d));
684 op += strlen(op);
685 sprintf(op, " -ms %.2g", asz/20.);
686 op += strlen(op);
687 break;
688 case MEDIUM:
689 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
690 op = addarg(op, "-dp 512");
691 sprintf(op, " -ar %d", (int)(16*d));
692 op += strlen(op);
693 sprintf(op, " -ms %.2g", asz/40.);
694 op += strlen(op);
695 break;
696 case HIGH:
697 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
698 op = addarg(op, "-dp 1024");
699 sprintf(op, " -ar %d", (int)(32*d));
700 op += strlen(op);
701 sprintf(op, " -ms %.2g", asz/80.);
702 op += strlen(op);
703 break;
704 }
705 po = addarg(po, "-pt .08");
706 if (vbool(PENUMBRAS))
707 op = addarg(op, "-ds .2 -dj .5");
708 else
709 op = addarg(op, "-ds .3");
710 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
711 if (overture = vint(INDIRECT)) {
712 sprintf(op, " -ab %d", overture);
713 op += strlen(op);
714 }
715 if (vdef(AMBFILE)) {
716 sprintf(op, " -af %s", vval(AMBFILE));
717 op += strlen(op);
718 } else
719 overture = 0;
720 switch (vscale(VARIABILITY)) {
721 case LOW:
722 op = addarg(op, "-aa .25 -ad 196 -as 0");
723 break;
724 case MEDIUM:
725 op = addarg(op, "-aa .2 -ad 400 -as 64");
726 break;
727 case HIGH:
728 op = addarg(op, "-aa .15 -ad 768 -as 196");
729 break;
730 }
731 d = ambval();
732 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
733 op += strlen(op);
734 op = addarg(op, "-lr 6 -lw .002");
735 if (vdef(RENDER))
736 op = addarg(op, vval(RENDER));
737 }
738
739
740 hiqopts(op, po) /* high quality rendering options */
741 register char *op;
742 char *po;
743 {
744 double d, org[3], siz[3], asz;
745
746 *op = '\0';
747 *po = '\0';
748 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
749 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
750 badvalue(ZONE);
751 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
752 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
753 badvalue(ZONE);
754 getoctcube(org, &d);
755 asz = (siz[0]+siz[1]+siz[2])/3.;
756 d /= asz;
757 switch (vscale(DETAIL)) {
758 case LOW:
759 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
760 op = addarg(op, "-dp 1024");
761 sprintf(op, " -ar %d", (int)(16*d));
762 op += strlen(op);
763 sprintf(op, " -ms %.2g", asz/40.);
764 op += strlen(op);
765 break;
766 case MEDIUM:
767 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
768 op = addarg(op, "-dp 2048");
769 sprintf(op, " -ar %d", (int)(32*d));
770 op += strlen(op);
771 sprintf(op, " -ms %.2g", asz/80.);
772 op += strlen(op);
773 break;
774 case HIGH:
775 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
776 op = addarg(op, "-dp 4096");
777 sprintf(op, " -ar %d", (int)(64*d));
778 op += strlen(op);
779 sprintf(op, " -ms %.2g", asz/160.);
780 op += strlen(op);
781 break;
782 }
783 po = addarg(po, "-pt .04");
784 if (vbool(PENUMBRAS))
785 op = addarg(op, "-ds .1 -dj .65");
786 else
787 op = addarg(op, "-ds .2");
788 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
789 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
790 op += strlen(op);
791 if (vdef(AMBFILE)) {
792 sprintf(op, " -af %s", vval(AMBFILE));
793 op += strlen(op);
794 } else
795 overture = 0;
796 switch (vscale(VARIABILITY)) {
797 case LOW:
798 op = addarg(op, "-aa .15 -ad 256 -as 0");
799 break;
800 case MEDIUM:
801 op = addarg(op, "-aa .125 -ad 512 -as 256");
802 break;
803 case HIGH:
804 op = addarg(op, "-aa .08 -ad 1024 -as 512");
805 break;
806 }
807 d = ambval();
808 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
809 op += strlen(op);
810 op = addarg(op, "-lr 12 -lw .0005");
811 if (vdef(RENDER))
812 op = addarg(op, vval(RENDER));
813 }
814
815
816 xferopts(ro) /* transfer options if indicated */
817 char *ro;
818 {
819 int fd, n;
820 register char *cp;
821
822 n = strlen(ro);
823 if (n < 2)
824 return;
825 if (vdef(OPTFILE)) {
826 for (cp = ro; cp[1]; cp++)
827 if (isspace(cp[1]) && (cp[2] == '@' ||
828 (cp[2] == '-' && isalpha(cp[3]))))
829 *cp = '\n';
830 else
831 *cp = cp[1];
832 *cp = '\n';
833 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
834 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
835 syserr(vval(OPTFILE));
836 sprintf(ro, " @%s", vval(OPTFILE));
837 }
838 #ifdef _WIN32
839 else if (n > 50) {
840 setenv("ROPT", ro+1);
841 strcpy(ro, " $ROPT");
842 }
843 #endif
844 }
845
846
847 pfiltopts(po) /* get pfilt options */
848 register char *po;
849 {
850 *po = '\0';
851 if (vdef(EXPOSURE)) {
852 po = addarg(po, "-1 -e");
853 po = addarg(po, vval(EXPOSURE));
854 }
855 switch (vscale(QUALITY)) {
856 case MEDIUM:
857 po = addarg(po, "-r .6");
858 break;
859 case HIGH:
860 po = addarg(po, "-m .25");
861 break;
862 }
863 if (vdef(PFILT))
864 po = addarg(po, vval(PFILT));
865 }
866
867
868 matchword(s1, s2) /* match white-delimited words */
869 register char *s1, *s2;
870 {
871 while (isspace(*s1)) s1++;
872 while (isspace(*s2)) s2++;
873 while (*s1 && !isspace(*s1))
874 if (*s1++ != *s2++)
875 return(0);
876 return(!*s2 || isspace(*s2));
877 }
878
879
880 char *
881 specview(vs) /* get proper view spec from vs */
882 register char *vs;
883 {
884 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
885 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
886 static char viewopts[128];
887 register char *cp;
888 int xpos, ypos, zpos, viewtype, upax;
889 register int i;
890 double cent[3], dim[3], mult, d;
891
892 if (vs == NULL || *vs == '-')
893 return(vs);
894 upax = 0; /* get the up vector */
895 if (vdef(UP)) {
896 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
897 upax = 1-'X'+UPPER(vval(UP)[1]);
898 else
899 upax = 1-'X'+vlet(UP);
900 if (upax < 1 | upax > 3)
901 badvalue(UP);
902 if (vval(UP)[0] == '-')
903 upax = -upax;
904 }
905 /* check standard view names */
906 xpos = ypos = zpos = 0;
907 if (*vs == 'X') {
908 xpos = 1; vs++;
909 } else if (*vs == 'x') {
910 xpos = -1; vs++;
911 }
912 if (*vs == 'Y') {
913 ypos = 1; vs++;
914 } else if (*vs == 'y') {
915 ypos = -1; vs++;
916 }
917 if (*vs == 'Z') {
918 zpos = 1; vs++;
919 } else if (*vs == 'z') {
920 zpos = -1; vs++;
921 }
922 viewtype = 'v';
923 if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h' | *vs == 'c')
924 viewtype = *vs++;
925 cp = viewopts;
926 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
927 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
928 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
929 &cent[0], &dim[0], &cent[1], &dim[1],
930 &cent[2], &dim[2]) != 6)
931 badvalue(ZONE);
932 for (i = 0; i < 3; i++) {
933 dim[i] -= cent[i];
934 if (dim[i] <= FTINY)
935 badvalue(ZONE);
936 cent[i] += .5*dim[i];
937 }
938 mult = vlet(ZONE)=='E' ? 2. : .45 ;
939 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
940 cent[0]+xpos*mult*dim[0],
941 cent[1]+ypos*mult*dim[1],
942 cent[2]+zpos*mult*dim[2],
943 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
944 cp += strlen(cp);
945 /* redirect up axis if necessary */
946 switch (upax) {
947 case 3: /* plus or minus Z axis */
948 case -3:
949 case 0:
950 if (!(xpos|ypos))
951 upax = 2;
952 break;
953 case 2: /* plus or minus Y axis */
954 case -2:
955 if (!(xpos|zpos))
956 upax = 1;
957 break;
958 case 1: /* plus or minus X axis */
959 case -1:
960 if (!(ypos|zpos))
961 upax = 3;
962 break;
963 }
964 cp = addarg(cp, vup[upax+3]);
965 switch (viewtype) {
966 case 'v':
967 cp = addarg(cp, "-vh 45 -vv 45");
968 break;
969 case 'l':
970 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
971 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
972 cp += strlen(cp);
973 break;
974 case 'a':
975 case 'h':
976 cp = addarg(cp, "-vh 180 -vv 180");
977 break;
978 case 'c':
979 cp = addarg(cp, "-vh 180 -vv 90");
980 break;
981 }
982 } else {
983 while (!isspace(*vs)) /* else skip id */
984 if (!*vs++)
985 return(NULL);
986 if (upax) { /* specify up vector */
987 strcpy(cp, vup[upax+3]);
988 cp += strlen(cp);
989 }
990 }
991 if (cp == viewopts) /* append any additional options */
992 vs++; /* skip prefixed space if unneeded */
993 strcpy(cp, vs);
994 #ifdef _WIN32
995 if (strlen(viewopts) > 40) {
996 setenv("VIEW", viewopts);
997 return("$VIEW");
998 }
999 #endif
1000 return(viewopts);
1001 }
1002
1003
1004 char *
1005 getview(n, vn) /* get view n, or NULL if none */
1006 int n;
1007 char *vn; /* returned view name */
1008 {
1009 register char *mv;
1010
1011 if (viewselect != NULL) { /* command-line selected */
1012 if (n) /* only do one */
1013 return(NULL);
1014 if (viewselect[0] == '-') { /* already specified */
1015 if (vn != NULL) *vn = '\0';
1016 return(viewselect);
1017 }
1018 if (vn != NULL) {
1019 for (mv = viewselect; *mv && !isspace(*mv);
1020 *vn++ = *mv++)
1021 ;
1022 *vn = '\0';
1023 }
1024 /* view number? */
1025 if (isint(viewselect))
1026 return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1027 /* check list */
1028 while ((mv = nvalue(VIEWS, n++)) != NULL)
1029 if (matchword(viewselect, mv))
1030 return(specview(mv));
1031 return(specview(viewselect)); /* standard view? */
1032 }
1033 mv = nvalue(VIEWS, n); /* use view n */
1034 if (vn != NULL & mv != NULL) {
1035 register char *mv2 = mv;
1036 if (*mv2 != '-')
1037 while (*mv2 && !isspace(*mv2))
1038 *vn++ = *mv2++;
1039 *vn = '\0';
1040 }
1041 return(specview(mv));
1042 }
1043
1044
1045 int
1046 myprintview(vopts, fp) /* print out selected view */
1047 register char *vopts;
1048 FILE *fp;
1049 {
1050 VIEW vwr;
1051 char buf[128];
1052 register char *cp;
1053 again:
1054 if (vopts == NULL)
1055 return(-1);
1056 #ifdef _WIN32
1057 if (vopts[0] == '$') {
1058 vopts = getenv(vopts+1);
1059 goto again;
1060 }
1061 #endif
1062 copystruct(&vwr, &stdview);
1063 sscanview(&vwr, cp=vopts); /* set initial options */
1064 while ((cp = strstr(cp, "-vf ")) != NULL &&
1065 *atos(buf, sizeof(buf), cp += 4)) {
1066 viewfile(buf, &vwr, NULL); /* load -vf file */
1067 sscanview(&vwr, cp); /* reset tail */
1068 }
1069 fputs(VIEWSTR, fp);
1070 fprintview(&vwr, fp); /* print full spec. */
1071 fputc('\n', fp);
1072 return(0);
1073 }
1074
1075
1076 rview(opts, po) /* run rview with first view */
1077 char *opts, *po;
1078 {
1079 char *vw;
1080 char combuf[PATH_MAX];
1081 /* build command */
1082 if (touchonly || (vw = getview(0, NULL)) == NULL)
1083 return;
1084 if (sayview)
1085 myprintview(vw, stdout);
1086 sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
1087 if (rvdevice != NULL)
1088 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1089 if (vdef(EXPOSURE))
1090 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1091 strcat(combuf, oct1name);
1092 if (runcom(combuf)) { /* run it */
1093 fprintf(stderr, "%s: error running rview\n", progname);
1094 quit(1);
1095 }
1096 }
1097
1098
1099 rpict(opts, po) /* run rpict and pfilt for each view */
1100 char *opts, *po;
1101 {
1102 char combuf[PATH_MAX];
1103 char rawfile[PATH_MAX], picfile[PATH_MAX];
1104 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1105 char rppopt[128], *pfile = NULL;
1106 char pfopts[128];
1107 char vs[32], *vw;
1108 int vn, mult;
1109 FILE *fp;
1110 time_t rfdt, pfdt;
1111 /* get pfilt options */
1112 pfiltopts(pfopts);
1113 /* get resolution, reporting */
1114 switch (vscale(QUALITY)) {
1115 case LOW:
1116 mult = 1;
1117 break;
1118 case MEDIUM:
1119 mult = 2;
1120 break;
1121 case HIGH:
1122 mult = 3;
1123 break;
1124 }
1125 {
1126 int xres, yres;
1127 double aspect;
1128 int n;
1129 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1130 if (n == 3)
1131 sprintf(res, "-x %d -y %d -pa %.3f",
1132 mult*xres, mult*yres, aspect);
1133 else if (n) {
1134 if (n == 1) yres = xres;
1135 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1136 } else
1137 badvalue(RESOLUTION);
1138 }
1139 rep[0] = '\0';
1140 if (vdef(REPORT)) {
1141 double minutes;
1142 int n;
1143 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1144 if (n == 2)
1145 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1146 else if (n == 1)
1147 sprintf(rep, " -t %d", (int)(minutes*60));
1148 else
1149 badvalue(REPORT);
1150 }
1151 /* set up parallel rendering */
1152 if (nprocs > 1 & !vdef(ZFILE)) {
1153 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1154 pfile = rppopt+9;
1155 if (mktemp(pfile) == NULL)
1156 pfile = NULL;
1157 }
1158 vn = 0; /* do each view */
1159 while ((vw = getview(vn++, vs)) != NULL) {
1160 if (sayview)
1161 myprintview(vw, stdout);
1162 if (!vs[0])
1163 sprintf(vs, "%d", vn);
1164 sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1165 if (vdef(ZFILE))
1166 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1167 else
1168 zopt[0] = '\0';
1169 /* check date on picture */
1170 pfdt = fdate(picfile);
1171 if (pfdt >= oct1date)
1172 continue;
1173 /* get raw file name */
1174 sprintf(rawfile, "%s_%s.unf",
1175 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1176 rfdt = fdate(rawfile);
1177 if (touchonly) { /* update times only */
1178 if (rfdt) {
1179 if (rfdt < oct1date)
1180 touch(rawfile);
1181 } else if (pfdt && pfdt < oct1date)
1182 touch(picfile);
1183 continue;
1184 }
1185 if (next_process()) { /* parallel running? */
1186 if (pfile != NULL)
1187 sleep(20);
1188 continue;
1189 }
1190 /* XXX Remember to call finish_process() */
1191 /* build rpict command */
1192 if (rfdt >= oct1date) { /* recover */
1193 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1194 rep, po, opts, zopt, rawfile, oct1name);
1195 if (runcom(combuf)) /* run rpict */
1196 goto rperror;
1197 } else {
1198 if (overture) { /* run overture calculation */
1199 sprintf(combuf,
1200 "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1201 rep, vw, opts,
1202 oct1name, overfile);
1203 if (runcom(combuf)) {
1204 fprintf(stderr,
1205 "%s: error in overture for view %s\n",
1206 progname, vs);
1207 quit(1);
1208 }
1209 #ifndef NULL_DEVICE
1210 rmfile(overfile);
1211 #endif
1212 }
1213 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1214 rep, vw, res, po, opts,
1215 zopt, oct1name, rawfile);
1216 if (pfile != NULL && inchild()) {
1217 /* rpict persistent mode */
1218 if (!silent)
1219 printf("\t%s\n", combuf);
1220 sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1221 rep, rppopt, res, po, opts,
1222 oct1name, rawfile);
1223 fflush(stdout);
1224 fp = popen(combuf, "w");
1225 if (fp == NULL)
1226 goto rperror;
1227 myprintview(vw, fp);
1228 if (pclose(fp))
1229 goto rperror;
1230 } else { /* rpict normal mode */
1231 if (runcom(combuf))
1232 goto rperror;
1233 }
1234 }
1235 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1236 /* build pfilt command */
1237 if (mult > 1)
1238 sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1239 pfopts, mult, mult, rawfile, picfile);
1240 else
1241 sprintf(combuf, "pfilt%s %s > %s", pfopts,
1242 rawfile, picfile);
1243 if (runcom(combuf)) { /* run pfilt */
1244 fprintf(stderr,
1245 "%s: error filtering view %s\n\t%s removed\n",
1246 progname, vs, picfile);
1247 unlink(picfile);
1248 quit(1);
1249 }
1250 }
1251 /* remove/rename raw file */
1252 if (vdef(RAWFILE)) {
1253 sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1254 mvfile(rawfile, combuf);
1255 } else
1256 rmfile(rawfile);
1257 finish_process(); /* leave if child */
1258 }
1259 wait_process(1); /* wait for children to finish */
1260 if (pfile != NULL) { /* clean up rpict persistent mode */
1261 int pid;
1262 fp = fopen(pfile, "r");
1263 if (fp != NULL) {
1264 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1265 kill(pid, 1) == -1)
1266 unlink(pfile);
1267 fclose(fp);
1268 }
1269 }
1270 return;
1271 rperror:
1272 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1273 quit(1);
1274 }
1275
1276
1277 touch(fn) /* update a file */
1278 char *fn;
1279 {
1280 if (!silent)
1281 printf("\ttouch %s\n", fn);
1282 if (!nprocs)
1283 return(0);
1284 #ifdef notused
1285 if (access(fn, F_OK) == -1) /* create it */
1286 if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1287 return(-1);
1288 #endif
1289 return(setfdate(fn, time((time_t *)NULL)));
1290 }
1291
1292
1293 runcom(cs) /* run command */
1294 char *cs;
1295 {
1296 if (!silent) /* echo it */
1297 printf("\t%s\n", cs);
1298 if (!nprocs)
1299 return(0);
1300 fflush(stdout); /* flush output and pass to shell */
1301 return(system(cs));
1302 }
1303
1304
1305 rmfile(fn) /* remove a file */
1306 char *fn;
1307 {
1308 if (!silent)
1309 #ifdef _WIN32
1310 printf("\tdel %s\n", fn);
1311 #else
1312 printf("\trm -f %s\n", fn);
1313 #endif
1314 if (!nprocs)
1315 return(0);
1316 return(unlink(fn));
1317 }
1318
1319
1320 mvfile(fold, fnew) /* move a file */
1321 char *fold, *fnew;
1322 {
1323 if (!silent)
1324 #ifdef _WIN32
1325 printf("\trename %s %s\n", fold, fnew);
1326 #else
1327 printf("\tmv %s %s\n", fold, fnew);
1328 #endif
1329 if (!nprocs)
1330 return(0);
1331 return(rename(fold, fnew));
1332 }
1333
1334
1335 #ifdef RHAS_FORK_EXEC
1336 int
1337 next_process() /* fork the next process (max. nprocs) */
1338 {
1339 int child_pid;
1340
1341 if (nprocs <= 1)
1342 return(0); /* it's us or no one */
1343 if (inchild()) {
1344 fprintf(stderr, "%s: internal error 1 in spawn_process()\n",
1345 progname);
1346 quit(1);
1347 }
1348 if (children_running >= nprocs)
1349 wait_process(0); /* wait for someone to finish */
1350 fflush(stdout);
1351 child_pid = fork(); /* split process */
1352 if (child_pid == 0) { /* we're the child */
1353 children_running = -1;
1354 return(0);
1355 }
1356 if (child_pid > 0) { /* we're the parent */
1357 ++children_running;
1358 return(1);
1359 }
1360 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1361 return(0);
1362 }
1363
1364 wait_process(all) /* wait for process(es) to finish */
1365 int all;
1366 {
1367 int ourstatus = 0;
1368 int pid, status;
1369
1370 if (all)
1371 all = children_running;
1372 else if (children_running > 0)
1373 all = 1;
1374 while (all-- > 0) {
1375 pid = wait(&status);
1376 if (pid < 0)
1377 syserr(progname);
1378 status = status>>8 & 0xff;
1379 --children_running;
1380 if (status != 0) { /* child's problem is our problem */
1381 if (ourstatus == 0 & children_running > 0)
1382 fprintf(stderr, "%s: waiting for remaining processes\n",
1383 progname);
1384 ourstatus = status;
1385 all = children_running;
1386 }
1387 }
1388 if (ourstatus != 0)
1389 quit(ourstatus); /* bad status from child */
1390 }
1391 #else /* ! RHAS_FORK_EXEC */
1392 int
1393 next_process()
1394 {
1395 return(0); /* cannot start new process */
1396 }
1397 wait_process(all)
1398 int all;
1399 {
1400 (void)all; /* no one to wait for */
1401 }
1402 #endif /* ! RHAS_FORK_EXEC */
1403
1404 finish_process() /* exit a child process */
1405 {
1406 if (!inchild())
1407 return; /* in parent -- noop */
1408 exit(0);
1409 }
1410
1411 #ifdef _WIN32
1412 setenv(vname, value) /* set an environment variable */
1413 char *vname, *value;
1414 {
1415 register char *evp;
1416
1417 evp = bmalloc(strlen(vname)+strlen(value)+2);
1418 if (evp == NULL)
1419 syserr(progname);
1420 sprintf(evp, "%s=%s", vname, value);
1421 if (putenv(evp) != 0) {
1422 fprintf(stderr, "%s: out of environment space\n", progname);
1423 quit(1);
1424 }
1425 if (!silent)
1426 printf("set %s\n", evp);
1427 }
1428 #endif
1429
1430
1431 badvalue(vc) /* report bad variable value and exit */
1432 int vc;
1433 {
1434 fprintf(stderr, "%s: bad value for variable '%s'\n",
1435 progname, vnam(vc));
1436 quit(1);
1437 }
1438
1439
1440 syserr(s) /* report a system error and exit */
1441 char *s;
1442 {
1443 perror(s);
1444 quit(1);
1445 }
1446
1447
1448 void
1449 quit(ec) /* exit program */
1450 int ec;
1451 {
1452 exit(ec);
1453 }