ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/util/rad.c
Revision: 2.69
Committed: Mon Jul 14 20:02:30 2003 UTC (20 years, 9 months ago) by schorsch
Content type: text/plain
Branch: MAIN
Changes since 2.68: +12 -12 lines
Log Message:
Moved some more platform dependencies to common header files.
Included a few necessary system headers.

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.68 2003/07/03 22:41:45 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 "view.h"
15 #include "paths.h"
16 #include "vars.h"
17
18 #ifdef _WIN32
19 #define DELCMD "del"
20 #define RENAMECMD "rename"
21 #else
22 #define DELCMD "rm -f"
23 #define RENAMECMD "mv"
24 #endif
25
26 /* variables (alphabetical by name) */
27 #define AMBFILE 0 /* ambient file name */
28 #define DETAIL 1 /* level of scene detail */
29 #define EXPOSURE 2 /* picture exposure setting */
30 #define EYESEP 3 /* interocular distance */
31 #define ILLUM 4 /* mkillum input files */
32 #define INDIRECT 5 /* indirection in lighting */
33 #define MATERIAL 6 /* material files */
34 #define MKILLUM 7 /* mkillum options */
35 #define OBJECT 8 /* object files */
36 #define OCONV 9 /* oconv options */
37 #define OCTREE 10 /* octree file name */
38 #define OPTFILE 11 /* rendering options file */
39 #define PENUMBRAS 12 /* shadow penumbras are desired */
40 #define PFILT 13 /* pfilt options */
41 #define PICTURE 14 /* picture file root name */
42 #define QUALITY 15 /* desired rendering quality */
43 #define RAWFILE 16 /* raw picture file root name */
44 #define RENDER 17 /* rendering options */
45 #define REPORT 18 /* report frequency and errfile */
46 #define RESOLUTION 19 /* maximum picture resolution */
47 #define SCENE 20 /* scene files */
48 #define UP 21 /* view up (X, Y or Z) */
49 #define VARIABILITY 22 /* level of light variability */
50 #define VIEWS 23 /* view(s) for picture(s) */
51 #define ZFILE 24 /* distance file root name */
52 #define ZONE 25 /* simulation zone */
53 /* total number of variables */
54 int NVARS = 26;
55
56 VARIABLE vv[] = { /* variable-value pairs */
57 {"AMBFILE", 3, 0, NULL, onevalue},
58 {"DETAIL", 3, 0, NULL, qualvalue},
59 {"EXPOSURE", 3, 0, NULL, fltvalue},
60 {"EYESEP", 3, 0, NULL, fltvalue},
61 {"illum", 3, 0, NULL, catvalues},
62 {"INDIRECT", 3, 0, NULL, intvalue},
63 {"materials", 3, 0, NULL, catvalues},
64 {"mkillum", 3, 0, NULL, catvalues},
65 {"objects", 3, 0, NULL, catvalues},
66 {"oconv", 3, 0, NULL, catvalues},
67 {"OCTREE", 3, 0, NULL, onevalue},
68 {"OPTFILE", 3, 0, NULL, onevalue},
69 {"PENUMBRAS", 3, 0, NULL, boolvalue},
70 {"pfilt", 2, 0, NULL, catvalues},
71 {"PICTURE", 3, 0, NULL, onevalue},
72 {"QUALITY", 3, 0, NULL, qualvalue},
73 {"RAWFILE", 3, 0, NULL, onevalue},
74 {"render", 3, 0, NULL, catvalues},
75 {"REPORT", 3, 0, NULL, onevalue},
76 {"RESOLUTION", 3, 0, NULL, onevalue},
77 {"scene", 3, 0, NULL, catvalues},
78 {"UP", 2, 0, NULL, onevalue},
79 {"VARIABILITY", 3, 0, NULL, qualvalue},
80 {"view", 2, 0, NULL, NULL},
81 {"ZFILE", 2, 0, NULL, onevalue},
82 {"ZONE", 2, 0, NULL, onevalue},
83 };
84
85 /* overture calculation file */
86 #ifdef NULL_DEVICE
87 char overfile[] = NULL_DEVICE;
88 #else
89 char overfile[] = "overture.unf";
90 #endif
91
92
93 time_t scenedate; /* date of latest scene or object file */
94 time_t octreedate; /* date of octree */
95 time_t matdate; /* date of latest material file */
96 time_t illumdate; /* date of last illum file */
97
98 char *oct0name; /* name of pre-mkillum octree */
99 time_t oct0date; /* date of pre-mkillum octree */
100 char *oct1name; /* name of post-mkillum octree */
101 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
102
103 int nowarn = 0; /* no warnings */
104 int explicate = 0; /* explicate variables */
105 int silent = 0; /* do work silently */
106 int touchonly = 0; /* touch files only */
107 int nprocs = 1; /* maximum executing processes */
108 int sayview = 0; /* print view out */
109 char *rvdevice = NULL; /* rview output device */
110 char *viewselect = NULL; /* specific view only */
111
112 int overture = 0; /* overture calculation needed */
113
114 int children_running = 0; /* set negative in children */
115
116 char *progname; /* global argv[0] */
117 char *rifname; /* global rad input file name */
118
119 char radname[PATH_MAX]; /* root Radiance file name */
120
121 #define inchild() (children_running < 0)
122
123
124 main(argc, argv)
125 int argc;
126 char *argv[];
127 {
128 char ropts[512];
129 char popts[64];
130 int i;
131
132 progname = argv[0];
133 /* get options */
134 for (i = 1; i < argc && argv[i][0] == '-'; i++)
135 switch (argv[i][1]) {
136 case 's':
137 silent++;
138 break;
139 case 'n':
140 nprocs = 0;
141 break;
142 case 'N':
143 nprocs = atoi(argv[++i]);
144 if (nprocs < 0)
145 nprocs = 0;
146 break;
147 case 't':
148 touchonly++;
149 break;
150 case 'e':
151 explicate++;
152 break;
153 case 'o':
154 rvdevice = argv[++i];
155 break;
156 case 'V':
157 sayview++;
158 break;
159 case 'v':
160 viewselect = argv[++i];
161 break;
162 case 'w':
163 nowarn++;
164 break;
165 default:
166 goto userr;
167 }
168 if (i >= argc)
169 goto userr;
170 rifname = argv[i];
171 /* check command-line options */
172 if (nprocs > 1 & viewselect != NULL)
173 nprocs = 1;
174 /* assign Radiance root file name */
175 rootname(radname, rifname);
176 /* load variable values */
177 loadvars(rifname);
178 /* get any additional assignments */
179 for (i++; i < argc; i++)
180 if (setvariable(argv[i], matchvar) < 0) {
181 fprintf(stderr, "%s: unknown variable: %s\n",
182 progname, argv[i]);
183 quit(1);
184 }
185 /* check assignments */
186 checkvalues();
187 /* check files and dates */
188 checkfiles();
189 /* set default values as necessary */
190 setdefaults();
191 /* print all values if requested */
192 if (explicate)
193 printvars(stdout);
194 /* build octree (and run mkillum) */
195 oconv();
196 /* check date on ambient file */
197 checkambfile();
198 /* run simulation */
199 renderopts(ropts, popts);
200 xferopts(ropts);
201 if (rvdevice != NULL)
202 rview(ropts, popts);
203 else
204 rpict(ropts, popts);
205 quit(0);
206 userr:
207 fprintf(stderr,
208 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
209 progname);
210 quit(1);
211 }
212
213
214 rootname(rn, fn) /* remove tail from end of fn */
215 register char *rn, *fn;
216 {
217 char *tp, *dp;
218
219 for (tp = NULL, dp = rn; *rn = *fn++; rn++)
220 if (ISDIRSEP(*rn))
221 dp = rn;
222 else if (*rn == '.')
223 tp = rn;
224 if (tp != NULL && tp > dp)
225 *tp = '\0';
226 }
227
228
229 time_t
230 checklast(fnames) /* check files and find most recent */
231 register char *fnames;
232 {
233 char thisfile[PATH_MAX];
234 time_t thisdate, lastdate = 0;
235
236 if (fnames == NULL)
237 return(0);
238 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
239 if (thisfile[0] == '!' ||
240 (thisfile[0] == '\\' && thisfile[1] == '!'))
241 continue;
242 if (!(thisdate = fdate(thisfile)))
243 syserr(thisfile);
244 if (thisdate > lastdate)
245 lastdate = thisdate;
246 }
247 return(lastdate);
248 }
249
250
251 char *
252 newfname(orig, pred) /* create modified file name */
253 char *orig;
254 int pred;
255 {
256 register char *cp;
257 register int n;
258 int suffix;
259
260 n = 0; cp = orig; suffix = -1; /* suffix position, length */
261 while (*cp) {
262 if (*cp == '.') suffix = n;
263 else if (ISDIRSEP(*cp)) suffix = -1;
264 cp++; n++;
265 }
266 if (suffix == -1) suffix = n;
267 if ((cp = bmalloc(n+2)) == NULL)
268 syserr(progname);
269 strncpy(cp, orig, suffix);
270 cp[suffix] = pred; /* root name + pred + suffix */
271 strcpy(cp+suffix+1, orig+suffix);
272 return(cp);
273 }
274
275
276 checkfiles() /* check for existence and modified times */
277 {
278 time_t objdate;
279
280 if (!vdef(OCTREE)) {
281 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
282 syserr(progname);
283 sprintf(vval(OCTREE), "%s.oct", radname);
284 vdef(OCTREE)++;
285 } else if (vval(OCTREE)[0] == '!') {
286 fprintf(stderr, "%s: illegal '%s' specification\n",
287 progname, vnam(OCTREE));
288 quit(1);
289 }
290 octreedate = fdate(vval(OCTREE));
291 if (vdef(ILLUM)) { /* illum requires secondary octrees */
292 oct0name = newfname(vval(OCTREE), '0');
293 oct1name = newfname(vval(OCTREE), '1');
294 oct0date = fdate(oct0name);
295 oct1date = fdate(oct1name);
296 } else
297 oct0name = oct1name = vval(OCTREE);
298 if ((scenedate = checklast(vval(SCENE))) &&
299 (objdate = checklast(vval(OBJECT))) > scenedate)
300 scenedate = objdate;
301 illumdate = checklast(vval(ILLUM));
302 if (!octreedate & !scenedate & !illumdate) {
303 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
304 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
305 quit(1);
306 }
307 matdate = checklast(vval(MATERIAL));
308 }
309
310
311 getoctcube(org, sizp) /* get octree bounding cube */
312 double org[3], *sizp;
313 {
314 extern FILE *popen();
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 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
358 }
359
360
361 setdefaults() /* set default values for unassigned var's */
362 {
363 double org[3], lim[3], size;
364 char buf[128];
365
366 if (!vdef(ZONE)) {
367 getoctcube(org, &size);
368 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
369 org[1], org[1]+size, org[2], org[2]+size);
370 vval(ZONE) = savqstr(buf);
371 vdef(ZONE)++;
372 }
373 if (!vdef(EYESEP)) {
374 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
375 &org[0], &lim[0], &org[1], &lim[1],
376 &org[2], &lim[2]) != 6)
377 badvalue(ZONE);
378 sprintf(buf, "%f",
379 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
380 vval(EYESEP) = savqstr(buf);
381 vdef(EYESEP)++;
382 }
383 if (!vdef(INDIRECT)) {
384 vval(INDIRECT) = "0";
385 vdef(INDIRECT)++;
386 }
387 if (!vdef(QUALITY)) {
388 vval(QUALITY) = "L";
389 vdef(QUALITY)++;
390 }
391 if (!vdef(RESOLUTION)) {
392 vval(RESOLUTION) = "512";
393 vdef(RESOLUTION)++;
394 }
395 if (!vdef(PICTURE)) {
396 vval(PICTURE) = radname;
397 vdef(PICTURE)++;
398 }
399 if (!vdef(VIEWS)) {
400 vval(VIEWS) = "X";
401 vdef(VIEWS)++;
402 }
403 if (!vdef(DETAIL)) {
404 vval(DETAIL) = "M";
405 vdef(DETAIL)++;
406 }
407 if (!vdef(PENUMBRAS)) {
408 vval(PENUMBRAS) = "F";
409 vdef(PENUMBRAS)++;
410 }
411 if (!vdef(VARIABILITY)) {
412 vval(VARIABILITY) = "L";
413 vdef(VARIABILITY)++;
414 }
415 }
416
417
418 oconv() /* run oconv and mkillum if necessary */
419 {
420 static char illumtmp[] = "ilXXXXXX";
421 char combuf[PATH_MAX], ocopts[64], mkopts[64];
422
423 oconvopts(ocopts); /* get options */
424 if (octreedate < scenedate) { /* check date on original octree */
425 if (touchonly && octreedate)
426 touch(vval(OCTREE));
427 else { /* build command */
428 if (vdef(MATERIAL))
429 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
430 vval(MATERIAL), vval(SCENE),
431 vval(OCTREE));
432 else
433 sprintf(combuf, "oconv%s %s > %s", ocopts,
434 vval(SCENE), vval(OCTREE));
435
436 if (runcom(combuf)) { /* run it */
437 fprintf(stderr,
438 "%s: error generating octree\n\t%s removed\n",
439 progname, vval(OCTREE));
440 unlink(vval(OCTREE));
441 quit(1);
442 }
443 }
444 octreedate = time((time_t *)NULL);
445 if (octreedate < scenedate) /* in case clock is off */
446 octreedate = scenedate;
447 }
448 if (oct1name == vval(OCTREE)) /* no mkillum? */
449 oct1date = octreedate > matdate ? octreedate : matdate;
450 if (oct1date >= octreedate & oct1date >= matdate
451 & oct1date >= illumdate) /* all done */
452 return;
453 /* make octree0 */
454 if (oct0date < scenedate | oct0date < illumdate) {
455 if (touchonly && oct0date)
456 touch(oct0name);
457 else { /* build command */
458 if (octreedate)
459 sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
460 vval(OCTREE), vval(ILLUM), oct0name);
461 else if (vdef(MATERIAL))
462 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
463 vval(MATERIAL), vval(ILLUM), oct0name);
464 else
465 sprintf(combuf, "oconv%s %s > %s", ocopts,
466 vval(ILLUM), oct0name);
467 if (runcom(combuf)) { /* run it */
468 fprintf(stderr,
469 "%s: error generating octree\n\t%s removed\n",
470 progname, oct0name);
471 unlink(oct0name);
472 quit(1);
473 }
474 }
475 oct0date = time((time_t *)NULL);
476 if (oct0date < octreedate) /* in case clock is off */
477 oct0date = octreedate;
478 if (oct0date < illumdate) /* ditto */
479 oct0date = illumdate;
480 }
481 if (touchonly && oct1date)
482 touch(oct1name);
483 else {
484 mkillumopts(mkopts); /* build mkillum command */
485 mktemp(illumtmp);
486 sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
487 oct0name, vval(ILLUM), illumtmp);
488 if (runcom(combuf)) { /* run it */
489 fprintf(stderr, "%s: error running mkillum\n",
490 progname);
491 unlink(illumtmp);
492 quit(1);
493 }
494 /* make octree1 (frozen) */
495 if (octreedate)
496 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
497 vval(OCTREE), illumtmp, oct1name);
498 else if (vdef(MATERIAL))
499 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
500 vval(MATERIAL), illumtmp, oct1name);
501 else
502 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
503 illumtmp, oct1name);
504 if (runcom(combuf)) { /* run it */
505 fprintf(stderr,
506 "%s: error generating octree\n\t%s removed\n",
507 progname, oct1name);
508 unlink(oct1name);
509 unlink(illumtmp);
510 quit(1);
511 }
512 rmfile(illumtmp);
513 }
514 oct1date = time((time_t *)NULL);
515 if (oct1date < oct0date) /* in case clock is off */
516 oct1date = oct0date;
517 }
518
519
520 char *
521 addarg(op, arg) /* add argument and advance pointer */
522 register char *op, *arg;
523 {
524 *op = ' ';
525 while (*++op = *arg++)
526 ;
527 return(op);
528 }
529
530
531 oconvopts(oo) /* get oconv options */
532 register char *oo;
533 {
534 /* BEWARE: This may be called via setdefaults(), so no assumptions */
535
536 *oo = '\0';
537 if (vdef(OCONV))
538 addarg(oo, vval(OCONV));
539 }
540
541
542 mkillumopts(mo) /* get mkillum options */
543 register char *mo;
544 {
545 /* BEWARE: This may be called via setdefaults(), so no assumptions */
546
547 *mo = '\0';
548 if (vdef(MKILLUM))
549 addarg(mo, vval(MKILLUM));
550 }
551
552
553 checkambfile() /* check date on ambient file */
554 {
555 time_t afdate;
556
557 if (!vdef(AMBFILE))
558 return;
559 if (!(afdate = fdate(vval(AMBFILE))))
560 return;
561 if (oct1date > afdate)
562 if (touchonly)
563 touch(vval(AMBFILE));
564 else
565 rmfile(vval(AMBFILE));
566 }
567
568
569 double
570 ambval() /* compute ambient value */
571 {
572 if (vdef(EXPOSURE)) {
573 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
574 return(.5/pow(2.,vflt(EXPOSURE)));
575 return(.5/vflt(EXPOSURE));
576 }
577 if (vlet(ZONE) == 'E')
578 return(10.);
579 if (vlet(ZONE) == 'I')
580 return(.01);
581 badvalue(ZONE);
582 }
583
584
585 renderopts(op, po) /* set rendering options */
586 char *op, *po;
587 {
588 switch(vscale(QUALITY)) {
589 case LOW:
590 lowqopts(op, po);
591 break;
592 case MEDIUM:
593 medqopts(op, po);
594 break;
595 case HIGH:
596 hiqopts(op, po);
597 break;
598 }
599 }
600
601
602 lowqopts(op, po) /* low quality rendering options */
603 register char *op;
604 char *po;
605 {
606 double d, org[3], siz[3];
607
608 *op = '\0';
609 *po = '\0';
610 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
611 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
612 badvalue(ZONE);
613 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
614 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
615 badvalue(ZONE);
616 getoctcube(org, &d);
617 d *= 3./(siz[0]+siz[1]+siz[2]);
618 switch (vscale(DETAIL)) {
619 case LOW:
620 po = addarg(po, "-ps 16");
621 op = addarg(op, "-dp 64");
622 sprintf(op, " -ar %d", (int)(4*d));
623 op += strlen(op);
624 break;
625 case MEDIUM:
626 po = addarg(po, "-ps 8");
627 op = addarg(op, "-dp 128");
628 sprintf(op, " -ar %d", (int)(8*d));
629 op += strlen(op);
630 break;
631 case HIGH:
632 po = addarg(po, "-ps 4");
633 op = addarg(op, "-dp 256");
634 sprintf(op, " -ar %d", (int)(16*d));
635 op += strlen(op);
636 break;
637 }
638 po = addarg(po, "-pt .16");
639 if (vbool(PENUMBRAS))
640 op = addarg(op, "-ds .4");
641 else
642 op = addarg(op, "-ds 0");
643 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
644 if (vdef(AMBFILE)) {
645 sprintf(op, " -af %s", vval(AMBFILE));
646 op += strlen(op);
647 } else
648 overture = 0;
649 switch (vscale(VARIABILITY)) {
650 case LOW:
651 op = addarg(op, "-aa .4 -ad 64");
652 break;
653 case MEDIUM:
654 op = addarg(op, "-aa .3 -ad 128");
655 break;
656 case HIGH:
657 op = addarg(op, "-aa .25 -ad 256");
658 break;
659 }
660 op = addarg(op, "-as 0");
661 d = ambval();
662 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
663 op += strlen(op);
664 op = addarg(op, "-lr 3 -lw .02");
665 if (vdef(RENDER))
666 op = addarg(op, vval(RENDER));
667 }
668
669
670 medqopts(op, po) /* medium quality rendering options */
671 register char *op;
672 char *po;
673 {
674 double d, org[3], siz[3], asz;
675
676 *op = '\0';
677 *po = '\0';
678 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
679 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
680 badvalue(ZONE);
681 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
682 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
683 badvalue(ZONE);
684 getoctcube(org, &d);
685 asz = (siz[0]+siz[1]+siz[2])/3.;
686 d /= asz;
687 switch (vscale(DETAIL)) {
688 case LOW:
689 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
690 op = addarg(op, "-dp 256");
691 sprintf(op, " -ar %d", (int)(8*d));
692 op += strlen(op);
693 sprintf(op, " -ms %.2g", asz/20.);
694 op += strlen(op);
695 break;
696 case MEDIUM:
697 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
698 op = addarg(op, "-dp 512");
699 sprintf(op, " -ar %d", (int)(16*d));
700 op += strlen(op);
701 sprintf(op, " -ms %.2g", asz/40.);
702 op += strlen(op);
703 break;
704 case HIGH:
705 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
706 op = addarg(op, "-dp 1024");
707 sprintf(op, " -ar %d", (int)(32*d));
708 op += strlen(op);
709 sprintf(op, " -ms %.2g", asz/80.);
710 op += strlen(op);
711 break;
712 }
713 po = addarg(po, "-pt .08");
714 if (vbool(PENUMBRAS))
715 op = addarg(op, "-ds .2 -dj .5");
716 else
717 op = addarg(op, "-ds .3");
718 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
719 if (overture = vint(INDIRECT)) {
720 sprintf(op, " -ab %d", overture);
721 op += strlen(op);
722 }
723 if (vdef(AMBFILE)) {
724 sprintf(op, " -af %s", vval(AMBFILE));
725 op += strlen(op);
726 } else
727 overture = 0;
728 switch (vscale(VARIABILITY)) {
729 case LOW:
730 op = addarg(op, "-aa .25 -ad 196 -as 0");
731 break;
732 case MEDIUM:
733 op = addarg(op, "-aa .2 -ad 400 -as 64");
734 break;
735 case HIGH:
736 op = addarg(op, "-aa .15 -ad 768 -as 196");
737 break;
738 }
739 d = ambval();
740 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
741 op += strlen(op);
742 op = addarg(op, "-lr 6 -lw .002");
743 if (vdef(RENDER))
744 op = addarg(op, vval(RENDER));
745 }
746
747
748 hiqopts(op, po) /* high quality rendering options */
749 register char *op;
750 char *po;
751 {
752 double d, org[3], siz[3], asz;
753
754 *op = '\0';
755 *po = '\0';
756 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
757 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
758 badvalue(ZONE);
759 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
760 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
761 badvalue(ZONE);
762 getoctcube(org, &d);
763 asz = (siz[0]+siz[1]+siz[2])/3.;
764 d /= asz;
765 switch (vscale(DETAIL)) {
766 case LOW:
767 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
768 op = addarg(op, "-dp 1024");
769 sprintf(op, " -ar %d", (int)(16*d));
770 op += strlen(op);
771 sprintf(op, " -ms %.2g", asz/40.);
772 op += strlen(op);
773 break;
774 case MEDIUM:
775 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
776 op = addarg(op, "-dp 2048");
777 sprintf(op, " -ar %d", (int)(32*d));
778 op += strlen(op);
779 sprintf(op, " -ms %.2g", asz/80.);
780 op += strlen(op);
781 break;
782 case HIGH:
783 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
784 op = addarg(op, "-dp 4096");
785 sprintf(op, " -ar %d", (int)(64*d));
786 op += strlen(op);
787 sprintf(op, " -ms %.2g", asz/160.);
788 op += strlen(op);
789 break;
790 }
791 po = addarg(po, "-pt .04");
792 if (vbool(PENUMBRAS))
793 op = addarg(op, "-ds .1 -dj .65");
794 else
795 op = addarg(op, "-ds .2");
796 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
797 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
798 op += strlen(op);
799 if (vdef(AMBFILE)) {
800 sprintf(op, " -af %s", vval(AMBFILE));
801 op += strlen(op);
802 } else
803 overture = 0;
804 switch (vscale(VARIABILITY)) {
805 case LOW:
806 op = addarg(op, "-aa .15 -ad 256 -as 0");
807 break;
808 case MEDIUM:
809 op = addarg(op, "-aa .125 -ad 512 -as 256");
810 break;
811 case HIGH:
812 op = addarg(op, "-aa .08 -ad 1024 -as 512");
813 break;
814 }
815 d = ambval();
816 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
817 op += strlen(op);
818 op = addarg(op, "-lr 12 -lw .0005");
819 if (vdef(RENDER))
820 op = addarg(op, vval(RENDER));
821 }
822
823
824 xferopts(ro) /* transfer options if indicated */
825 char *ro;
826 {
827 int fd, n;
828 register char *cp;
829
830 n = strlen(ro);
831 if (n < 2)
832 return;
833 if (vdef(OPTFILE)) {
834 for (cp = ro; cp[1]; cp++)
835 if (isspace(cp[1]) && (cp[2] == '@' ||
836 (cp[2] == '-' && isalpha(cp[3]))))
837 *cp = '\n';
838 else
839 *cp = cp[1];
840 *cp = '\n';
841 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
842 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
843 syserr(vval(OPTFILE));
844 sprintf(ro, " @%s", vval(OPTFILE));
845 }
846 #ifdef _WIN32
847 else if (n > 50) {
848 setenv("ROPT", ro+1);
849 strcpy(ro, " $ROPT");
850 }
851 #endif
852 }
853
854
855 pfiltopts(po) /* get pfilt options */
856 register char *po;
857 {
858 *po = '\0';
859 if (vdef(EXPOSURE)) {
860 po = addarg(po, "-1 -e");
861 po = addarg(po, vval(EXPOSURE));
862 }
863 switch (vscale(QUALITY)) {
864 case MEDIUM:
865 po = addarg(po, "-r .6");
866 break;
867 case HIGH:
868 po = addarg(po, "-m .25");
869 break;
870 }
871 if (vdef(PFILT))
872 po = addarg(po, vval(PFILT));
873 }
874
875
876 matchword(s1, s2) /* match white-delimited words */
877 register char *s1, *s2;
878 {
879 while (isspace(*s1)) s1++;
880 while (isspace(*s2)) s2++;
881 while (*s1 && !isspace(*s1))
882 if (*s1++ != *s2++)
883 return(0);
884 return(!*s2 || isspace(*s2));
885 }
886
887
888 char *
889 specview(vs) /* get proper view spec from vs */
890 register char *vs;
891 {
892 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
893 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
894 static char viewopts[128];
895 register char *cp;
896 int xpos, ypos, zpos, viewtype, upax;
897 register int i;
898 double cent[3], dim[3], mult, d;
899
900 if (vs == NULL || *vs == '-')
901 return(vs);
902 upax = 0; /* get the up vector */
903 if (vdef(UP)) {
904 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
905 upax = 1-'X'+UPPER(vval(UP)[1]);
906 else
907 upax = 1-'X'+vlet(UP);
908 if (upax < 1 | upax > 3)
909 badvalue(UP);
910 if (vval(UP)[0] == '-')
911 upax = -upax;
912 }
913 /* check standard view names */
914 xpos = ypos = zpos = 0;
915 if (*vs == 'X') {
916 xpos = 1; vs++;
917 } else if (*vs == 'x') {
918 xpos = -1; vs++;
919 }
920 if (*vs == 'Y') {
921 ypos = 1; vs++;
922 } else if (*vs == 'y') {
923 ypos = -1; vs++;
924 }
925 if (*vs == 'Z') {
926 zpos = 1; vs++;
927 } else if (*vs == 'z') {
928 zpos = -1; vs++;
929 }
930 viewtype = 'v';
931 if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h' | *vs == 'c')
932 viewtype = *vs++;
933 cp = viewopts;
934 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
935 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
936 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
937 &cent[0], &dim[0], &cent[1], &dim[1],
938 &cent[2], &dim[2]) != 6)
939 badvalue(ZONE);
940 for (i = 0; i < 3; i++) {
941 dim[i] -= cent[i];
942 if (dim[i] <= FTINY)
943 badvalue(ZONE);
944 cent[i] += .5*dim[i];
945 }
946 mult = vlet(ZONE)=='E' ? 2. : .45 ;
947 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
948 cent[0]+xpos*mult*dim[0],
949 cent[1]+ypos*mult*dim[1],
950 cent[2]+zpos*mult*dim[2],
951 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
952 cp += strlen(cp);
953 /* redirect up axis if necessary */
954 switch (upax) {
955 case 3: /* plus or minus Z axis */
956 case -3:
957 case 0:
958 if (!(xpos|ypos))
959 upax = 2;
960 break;
961 case 2: /* plus or minus Y axis */
962 case -2:
963 if (!(xpos|zpos))
964 upax = 1;
965 break;
966 case 1: /* plus or minus X axis */
967 case -1:
968 if (!(ypos|zpos))
969 upax = 3;
970 break;
971 }
972 cp = addarg(cp, vup[upax+3]);
973 switch (viewtype) {
974 case 'v':
975 cp = addarg(cp, "-vh 45 -vv 45");
976 break;
977 case 'l':
978 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
979 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
980 cp += strlen(cp);
981 break;
982 case 'a':
983 case 'h':
984 cp = addarg(cp, "-vh 180 -vv 180");
985 break;
986 case 'c':
987 cp = addarg(cp, "-vh 180 -vv 90");
988 break;
989 }
990 } else {
991 while (!isspace(*vs)) /* else skip id */
992 if (!*vs++)
993 return(NULL);
994 if (upax) { /* specify up vector */
995 strcpy(cp, vup[upax+3]);
996 cp += strlen(cp);
997 }
998 }
999 if (cp == viewopts) /* append any additional options */
1000 vs++; /* skip prefixed space if unneeded */
1001 strcpy(cp, vs);
1002 #ifdef _WIN32
1003 if (strlen(viewopts) > 40) {
1004 setenv("VIEW", viewopts);
1005 return("$VIEW");
1006 }
1007 #endif
1008 return(viewopts);
1009 }
1010
1011
1012 char *
1013 getview(n, vn) /* get view n, or NULL if none */
1014 int n;
1015 char *vn; /* returned view name */
1016 {
1017 register char *mv;
1018
1019 if (viewselect != NULL) { /* command-line selected */
1020 if (n) /* only do one */
1021 return(NULL);
1022 if (viewselect[0] == '-') { /* already specified */
1023 if (vn != NULL) *vn = '\0';
1024 return(viewselect);
1025 }
1026 if (vn != NULL) {
1027 for (mv = viewselect; *mv && !isspace(*mv);
1028 *vn++ = *mv++)
1029 ;
1030 *vn = '\0';
1031 }
1032 /* view number? */
1033 if (isint(viewselect))
1034 return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1035 /* check list */
1036 while ((mv = nvalue(VIEWS, n++)) != NULL)
1037 if (matchword(viewselect, mv))
1038 return(specview(mv));
1039 return(specview(viewselect)); /* standard view? */
1040 }
1041 mv = nvalue(VIEWS, n); /* use view n */
1042 if (vn != NULL & mv != NULL) {
1043 register char *mv2 = mv;
1044 if (*mv2 != '-')
1045 while (*mv2 && !isspace(*mv2))
1046 *vn++ = *mv2++;
1047 *vn = '\0';
1048 }
1049 return(specview(mv));
1050 }
1051
1052
1053 int
1054 myprintview(vopts, fp) /* print out selected view */
1055 register char *vopts;
1056 FILE *fp;
1057 {
1058 VIEW vwr;
1059 char buf[128];
1060 register char *cp;
1061 again:
1062 if (vopts == NULL)
1063 return(-1);
1064 #ifdef _WIN32
1065 if (vopts[0] == '$') {
1066 vopts = getenv(vopts+1);
1067 goto again;
1068 }
1069 #endif
1070 copystruct(&vwr, &stdview);
1071 sscanview(&vwr, cp=vopts); /* set initial options */
1072 while ((cp = strstr(cp, "-vf ")) != NULL &&
1073 *atos(buf, sizeof(buf), cp += 4)) {
1074 viewfile(buf, &vwr, NULL); /* load -vf file */
1075 sscanview(&vwr, cp); /* reset tail */
1076 }
1077 fputs(VIEWSTR, fp);
1078 fprintview(&vwr, fp); /* print full spec. */
1079 fputc('\n', fp);
1080 return(0);
1081 }
1082
1083
1084 rview(opts, po) /* run rview with first view */
1085 char *opts, *po;
1086 {
1087 char *vw;
1088 char combuf[PATH_MAX];
1089 /* build command */
1090 if (touchonly || (vw = getview(0, NULL)) == NULL)
1091 return;
1092 if (sayview)
1093 myprintview(vw, stdout);
1094 sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
1095 if (rvdevice != NULL)
1096 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1097 if (vdef(EXPOSURE))
1098 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1099 strcat(combuf, oct1name);
1100 if (runcom(combuf)) { /* run it */
1101 fprintf(stderr, "%s: error running rview\n", progname);
1102 quit(1);
1103 }
1104 }
1105
1106
1107 rpict(opts, po) /* run rpict and pfilt for each view */
1108 char *opts, *po;
1109 {
1110 char combuf[PATH_MAX];
1111 char rawfile[PATH_MAX], picfile[PATH_MAX];
1112 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1113 char rppopt[128], *pfile = NULL;
1114 char pfopts[128];
1115 char vs[32], *vw;
1116 int vn, mult;
1117 FILE *fp;
1118 time_t rfdt, pfdt;
1119 /* get pfilt options */
1120 pfiltopts(pfopts);
1121 /* get resolution, reporting */
1122 switch (vscale(QUALITY)) {
1123 case LOW:
1124 mult = 1;
1125 break;
1126 case MEDIUM:
1127 mult = 2;
1128 break;
1129 case HIGH:
1130 mult = 3;
1131 break;
1132 }
1133 {
1134 int xres, yres;
1135 double aspect;
1136 int n;
1137 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1138 if (n == 3)
1139 sprintf(res, "-x %d -y %d -pa %.3f",
1140 mult*xres, mult*yres, aspect);
1141 else if (n) {
1142 if (n == 1) yres = xres;
1143 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1144 } else
1145 badvalue(RESOLUTION);
1146 }
1147 rep[0] = '\0';
1148 if (vdef(REPORT)) {
1149 double minutes;
1150 int n;
1151 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1152 if (n == 2)
1153 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1154 else if (n == 1)
1155 sprintf(rep, " -t %d", (int)(minutes*60));
1156 else
1157 badvalue(REPORT);
1158 }
1159 /* set up parallel rendering */
1160 if (nprocs > 1 & !vdef(ZFILE)) {
1161 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1162 pfile = rppopt+9;
1163 if (mktemp(pfile) == NULL)
1164 pfile = NULL;
1165 }
1166 vn = 0; /* do each view */
1167 while ((vw = getview(vn++, vs)) != NULL) {
1168 if (sayview)
1169 myprintview(vw, stdout);
1170 if (!vs[0])
1171 sprintf(vs, "%d", vn);
1172 sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1173 if (vdef(ZFILE))
1174 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1175 else
1176 zopt[0] = '\0';
1177 /* check date on picture */
1178 pfdt = fdate(picfile);
1179 if (pfdt >= oct1date)
1180 continue;
1181 /* get raw file name */
1182 sprintf(rawfile, "%s_%s.unf",
1183 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1184 rfdt = fdate(rawfile);
1185 if (touchonly) { /* update times only */
1186 if (rfdt) {
1187 if (rfdt < oct1date)
1188 touch(rawfile);
1189 } else if (pfdt && pfdt < oct1date)
1190 touch(picfile);
1191 continue;
1192 }
1193 if (next_process()) { /* parallel running? */
1194 if (pfile != NULL)
1195 sleep(20);
1196 continue;
1197 }
1198 /* XXX Remember to call finish_process() */
1199 /* build rpict command */
1200 if (rfdt >= oct1date) { /* recover */
1201 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1202 rep, po, opts, zopt, rawfile, oct1name);
1203 if (runcom(combuf)) /* run rpict */
1204 goto rperror;
1205 } else {
1206 if (overture) { /* run overture calculation */
1207 sprintf(combuf,
1208 "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1209 rep, vw, opts,
1210 oct1name, overfile);
1211 if (runcom(combuf)) {
1212 fprintf(stderr,
1213 "%s: error in overture for view %s\n",
1214 progname, vs);
1215 quit(1);
1216 }
1217 #ifndef NULL_DEVICE
1218 rmfile(overfile);
1219 #endif
1220 }
1221 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1222 rep, vw, res, po, opts,
1223 zopt, oct1name, rawfile);
1224 if (pfile != NULL && inchild()) {
1225 /* rpict persistent mode */
1226 if (!silent)
1227 printf("\t%s\n", combuf);
1228 sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1229 rep, rppopt, res, po, opts,
1230 oct1name, rawfile);
1231 fflush(stdout);
1232 fp = popen(combuf, "w");
1233 if (fp == NULL)
1234 goto rperror;
1235 myprintview(vw, fp);
1236 if (pclose(fp))
1237 goto rperror;
1238 } else { /* rpict normal mode */
1239 if (runcom(combuf))
1240 goto rperror;
1241 }
1242 }
1243 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1244 /* build pfilt command */
1245 if (mult > 1)
1246 sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1247 pfopts, mult, mult, rawfile, picfile);
1248 else
1249 sprintf(combuf, "pfilt%s %s > %s", pfopts,
1250 rawfile, picfile);
1251 if (runcom(combuf)) { /* run pfilt */
1252 fprintf(stderr,
1253 "%s: error filtering view %s\n\t%s removed\n",
1254 progname, vs, picfile);
1255 unlink(picfile);
1256 quit(1);
1257 }
1258 }
1259 /* remove/rename raw file */
1260 if (vdef(RAWFILE)) {
1261 sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1262 mvfile(rawfile, combuf);
1263 } else
1264 rmfile(rawfile);
1265 finish_process(); /* leave if child */
1266 }
1267 wait_process(1); /* wait for children to finish */
1268 if (pfile != NULL) { /* clean up rpict persistent mode */
1269 int pid;
1270 fp = fopen(pfile, "r");
1271 if (fp != NULL) {
1272 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1273 kill(pid, 1) == -1)
1274 unlink(pfile);
1275 fclose(fp);
1276 }
1277 }
1278 return;
1279 rperror:
1280 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1281 quit(1);
1282 }
1283
1284
1285 touch(fn) /* update a file */
1286 char *fn;
1287 {
1288 if (!silent)
1289 printf("\ttouch %s\n", fn);
1290 if (!nprocs)
1291 return(0);
1292 #ifdef notused
1293 if (access(fn, F_OK) == -1) /* create it */
1294 if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1295 return(-1);
1296 #endif
1297 return(setfdate(fn, time((time_t *)NULL)));
1298 }
1299
1300
1301 runcom(cs) /* run command */
1302 char *cs;
1303 {
1304 if (!silent) /* echo it */
1305 printf("\t%s\n", cs);
1306 if (!nprocs)
1307 return(0);
1308 fflush(stdout); /* flush output and pass to shell */
1309 return(system(cs));
1310 }
1311
1312
1313 rmfile(fn) /* remove a file */
1314 char *fn;
1315 {
1316 if (!silent)
1317 printf("\t%s %s\n", DELCMD, fn);
1318 if (!nprocs)
1319 return(0);
1320 return(unlink(fn));
1321 }
1322
1323
1324 mvfile(fold, fnew) /* move a file */
1325 char *fold, *fnew;
1326 {
1327 if (!silent)
1328 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
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 int
1403 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1404 int pid, sig;
1405 {
1406 return 0;
1407 }
1408 #endif /* ! RHAS_FORK_EXEC */
1409
1410 finish_process() /* exit a child process */
1411 {
1412 if (!inchild())
1413 return; /* in parent -- noop */
1414 exit(0);
1415 }
1416
1417 #ifdef _WIN32
1418 setenv(vname, value) /* set an environment variable */
1419 char *vname, *value;
1420 {
1421 register char *evp;
1422
1423 evp = bmalloc(strlen(vname)+strlen(value)+2);
1424 if (evp == NULL)
1425 syserr(progname);
1426 sprintf(evp, "%s=%s", vname, value);
1427 if (putenv(evp) != 0) {
1428 fprintf(stderr, "%s: out of environment space\n", progname);
1429 quit(1);
1430 }
1431 if (!silent)
1432 printf("set %s\n", evp);
1433 }
1434 #endif
1435
1436
1437 badvalue(vc) /* report bad variable value and exit */
1438 int vc;
1439 {
1440 fprintf(stderr, "%s: bad value for variable '%s'\n",
1441 progname, vnam(vc));
1442 quit(1);
1443 }
1444
1445
1446 syserr(s) /* report a system error and exit */
1447 char *s;
1448 {
1449 perror(s);
1450 quit(1);
1451 }
1452
1453
1454 void
1455 quit(ec) /* exit program */
1456 int ec;
1457 {
1458 exit(ec);
1459 }