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root/radiance/ray/src/util/rad.c
Revision: 2.82
Committed: Thu Dec 8 17:06:11 2005 UTC (18 years, 3 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad3R8
Changes since 2.81: +5 -7 lines
Log Message:
Added some additional (and probably unnecessary) fflush() calls

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.81 2005/09/12 14:40:13 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 #include <sys/types.h>
26 #include <sys/wait.h>
27 #endif
28
29 /* variables (alphabetical by name) */
30 #define AMBFILE 0 /* ambient file name */
31 #define DETAIL 1 /* level of scene detail */
32 #define EXPOSURE 2 /* picture exposure setting */
33 #define EYESEP 3 /* interocular distance */
34 #define ILLUM 4 /* mkillum input files */
35 #define INDIRECT 5 /* indirection in lighting */
36 #define MATERIAL 6 /* material files */
37 #define MKILLUM 7 /* mkillum options */
38 #define OBJECT 8 /* object files */
39 #define OCONV 9 /* oconv options */
40 #define OCTREE 10 /* octree file name */
41 #define OPTFILE 11 /* rendering options file */
42 #define PENUMBRAS 12 /* shadow penumbras are desired */
43 #define PFILT 13 /* pfilt options */
44 #define PICTURE 14 /* picture file root name */
45 #define QUALITY 15 /* desired rendering quality */
46 #define RAWFILE 16 /* raw picture file root name */
47 #define RENDER 17 /* rendering options */
48 #define REPORT 18 /* report frequency and errfile */
49 #define RESOLUTION 19 /* maximum picture resolution */
50 #define SCENE 20 /* scene files */
51 #define UP 21 /* view up (X, Y or Z) */
52 #define VARIABILITY 22 /* level of light variability */
53 #define VIEWS 23 /* view(s) for picture(s) */
54 #define ZFILE 24 /* distance file root name */
55 #define ZONE 25 /* simulation zone */
56 /* total number of variables */
57 int NVARS = 26;
58
59 VARIABLE vv[] = { /* variable-value pairs */
60 {"AMBFILE", 3, 0, NULL, onevalue},
61 {"DETAIL", 3, 0, NULL, qualvalue},
62 {"EXPOSURE", 3, 0, NULL, fltvalue},
63 {"EYESEP", 3, 0, NULL, fltvalue},
64 {"illum", 3, 0, NULL, catvalues},
65 {"INDIRECT", 3, 0, NULL, intvalue},
66 {"materials", 3, 0, NULL, catvalues},
67 {"mkillum", 3, 0, NULL, catvalues},
68 {"objects", 3, 0, NULL, catvalues},
69 {"oconv", 3, 0, NULL, catvalues},
70 {"OCTREE", 3, 0, NULL, onevalue},
71 {"OPTFILE", 3, 0, NULL, onevalue},
72 {"PENUMBRAS", 3, 0, NULL, boolvalue},
73 {"pfilt", 2, 0, NULL, catvalues},
74 {"PICTURE", 3, 0, NULL, onevalue},
75 {"QUALITY", 3, 0, NULL, qualvalue},
76 {"RAWFILE", 3, 0, NULL, onevalue},
77 {"render", 3, 0, NULL, catvalues},
78 {"REPORT", 3, 0, NULL, onevalue},
79 {"RESOLUTION", 3, 0, NULL, onevalue},
80 {"scene", 3, 0, NULL, catvalues},
81 {"UP", 2, 0, NULL, onevalue},
82 {"VARIABILITY", 3, 0, NULL, qualvalue},
83 {"view", 2, 0, NULL, NULL},
84 {"ZFILE", 2, 0, NULL, onevalue},
85 {"ZONE", 2, 0, NULL, onevalue},
86 };
87
88 /* overture calculation file */
89 #ifdef NULL_DEVICE
90 char overfile[] = NULL_DEVICE;
91 #else
92 char overfile[] = "overture.unf";
93 #endif
94
95
96 time_t scenedate; /* date of latest scene or object file */
97 time_t octreedate; /* date of octree */
98 time_t matdate; /* date of latest material file */
99 time_t illumdate; /* date of last illum file */
100
101 char *oct0name; /* name of pre-mkillum octree */
102 time_t oct0date; /* date of pre-mkillum octree */
103 char *oct1name; /* name of post-mkillum octree */
104 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
105
106 int nowarn = 0; /* no warnings */
107 int explicate = 0; /* explicate variables */
108 int silent = 0; /* do work silently */
109 int touchonly = 0; /* touch files only */
110 int nprocs = 1; /* maximum executing processes */
111 int sayview = 0; /* print view out */
112 char *rvdevice = NULL; /* rvu output device */
113 char *viewselect = NULL; /* specific view only */
114
115 int overture = 0; /* overture calculation needed */
116
117 int children_running = 0; /* set negative in children */
118
119 char *progname; /* global argv[0] */
120 char *rifname; /* global rad input file name */
121
122 char radname[PATH_MAX]; /* root Radiance file name */
123
124 #define inchild() (children_running < 0)
125
126 static void rootname(char *rn, char *fn);
127 static time_t checklast(char *fnames);
128 static char * newfname(char *orig, int pred);
129 static void checkfiles(void);
130 static void getoctcube(double org[3], double *sizp);
131 static void setdefaults(void);
132 static void oconv(void);
133 static char * addarg(char *op, char *arg);
134 static void oconvopts(char *oo);
135 static void mkillumopts(char *mo);
136 static void checkambfile(void);
137 static double ambval(void);
138 static void renderopts(char *op, char *po);
139 static void lowqopts(char *op, char *po);
140 static void medqopts(char *op, char *po);
141 static void hiqopts(char *op, char *po);
142 static void xferopts(char *ro);
143 static void pfiltopts(char *po);
144 static int matchword(char *s1, char *s2);
145 static char * specview(char *vs);
146 static char * getview(int n, char *vn);
147 static int myprintview(char *vopts, FILE *fp);
148 static void rvu(char *opts, char *po);
149 static void rpict(char *opts, char *po);
150 static int touch(char *fn);
151 static int runcom(char *cs);
152 static int rmfile(char *fn);
153 static int mvfile(char *fold, char *fnew);
154 static int next_process(void);
155 static void wait_process(int all);
156 static void finish_process(void);
157 static void badvalue(int vc);
158 static void syserr(char *s);
159
160
161 int
162 main(
163 int argc,
164 char *argv[]
165 )
166 {
167 char ropts[512];
168 char popts[64];
169 int i;
170
171 progname = argv[0];
172 /* get options */
173 for (i = 1; i < argc && argv[i][0] == '-'; i++)
174 switch (argv[i][1]) {
175 case 's':
176 silent++;
177 break;
178 case 'n':
179 nprocs = 0;
180 break;
181 case 'N':
182 nprocs = atoi(argv[++i]);
183 if (nprocs < 0)
184 nprocs = 0;
185 break;
186 case 't':
187 touchonly++;
188 break;
189 case 'e':
190 explicate++;
191 break;
192 case 'o':
193 rvdevice = argv[++i];
194 break;
195 case 'V':
196 sayview++;
197 break;
198 case 'v':
199 viewselect = argv[++i];
200 break;
201 case 'w':
202 nowarn++;
203 break;
204 default:
205 goto userr;
206 }
207 if (i >= argc)
208 goto userr;
209 rifname = argv[i];
210 /* check command-line options */
211 if ((nprocs > 1) & (viewselect != NULL))
212 nprocs = 1;
213 /* assign Radiance root file name */
214 rootname(radname, rifname);
215 /* load variable values */
216 loadvars(rifname);
217 /* get any additional assignments */
218 for (i++; i < argc; i++)
219 if (setvariable(argv[i], matchvar) < 0) {
220 fprintf(stderr, "%s: unknown variable: %s\n",
221 progname, argv[i]);
222 quit(1);
223 }
224 /* check assignments */
225 checkvalues();
226 /* check files and dates */
227 checkfiles();
228 /* set default values as necessary */
229 setdefaults();
230 /* print all values if requested */
231 if (explicate)
232 printvars(stdout);
233 /* build octree (and run mkillum) */
234 oconv();
235 /* check date on ambient file */
236 checkambfile();
237 /* run simulation */
238 renderopts(ropts, popts);
239 xferopts(ropts);
240 if (rvdevice != NULL)
241 rvu(ropts, popts);
242 else
243 rpict(ropts, popts);
244 quit(0);
245 userr:
246 fprintf(stderr,
247 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
248 progname);
249 quit(1);
250 return 1; /* pro forma return */
251 }
252
253
254 static void
255 rootname( /* remove tail from end of fn */
256 register char *rn,
257 register char *fn
258 )
259 {
260 char *tp, *dp;
261
262 for (tp = NULL, dp = rn; (*rn = *fn++); rn++)
263 if (ISDIRSEP(*rn))
264 dp = rn;
265 else if (*rn == '.')
266 tp = rn;
267 if (tp != NULL && tp > dp)
268 *tp = '\0';
269 }
270
271
272 static time_t
273 checklast( /* check files and find most recent */
274 register char *fnames
275 )
276 {
277 char thisfile[PATH_MAX];
278 time_t thisdate, lastdate = 0;
279
280 if (fnames == NULL)
281 return(0);
282 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
283 if (thisfile[0] == '!' ||
284 (thisfile[0] == '\\' && thisfile[1] == '!')) {
285 if (!lastdate)
286 lastdate = 1;
287 continue;
288 }
289 if (!(thisdate = fdate(thisfile)))
290 syserr(thisfile);
291 if (thisdate > lastdate)
292 lastdate = thisdate;
293 }
294 return(lastdate);
295 }
296
297
298 static char *
299 newfname( /* create modified file name */
300 char *orig,
301 int pred
302 )
303 {
304 register char *cp;
305 register int n;
306 int suffix;
307
308 n = 0; cp = orig; suffix = -1; /* suffix position, length */
309 while (*cp) {
310 if (*cp == '.') suffix = n;
311 else if (ISDIRSEP(*cp)) suffix = -1;
312 cp++; n++;
313 }
314 if (suffix == -1) suffix = n;
315 if ((cp = bmalloc(n+2)) == NULL)
316 syserr(progname);
317 strncpy(cp, orig, suffix);
318 cp[suffix] = pred; /* root name + pred + suffix */
319 strcpy(cp+suffix+1, orig+suffix);
320 return(cp);
321 }
322
323
324 static void
325 checkfiles(void) /* check for existence and modified times */
326 {
327 time_t objdate;
328
329 if (!vdef(OCTREE)) {
330 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
331 syserr(progname);
332 sprintf(vval(OCTREE), "%s.oct", radname);
333 vdef(OCTREE)++;
334 } else if (vval(OCTREE)[0] == '!') {
335 fprintf(stderr, "%s: illegal '%s' specification\n",
336 progname, vnam(OCTREE));
337 quit(1);
338 }
339 octreedate = fdate(vval(OCTREE));
340 if (vdef(ILLUM)) { /* illum requires secondary octrees */
341 oct0name = newfname(vval(OCTREE), '0');
342 oct1name = newfname(vval(OCTREE), '1');
343 oct0date = fdate(oct0name);
344 oct1date = fdate(oct1name);
345 } else
346 oct0name = oct1name = vval(OCTREE);
347 if ((scenedate = checklast(vval(SCENE))) &&
348 (objdate = checklast(vval(OBJECT))) > scenedate)
349 scenedate = objdate;
350 illumdate = checklast(vval(ILLUM));
351 if (!octreedate & !scenedate & !illumdate) {
352 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
353 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
354 quit(1);
355 }
356 matdate = checklast(vval(MATERIAL));
357 }
358
359
360 static void
361 getoctcube( /* get octree bounding cube */
362 double org[3],
363 double *sizp
364 )
365 {
366 static double oorg[3], osiz = 0.;
367 double min[3], max[3];
368 char buf[1024];
369 FILE *fp;
370 register int i;
371
372 if (osiz <= FTINY) {
373 if (!nprocs && fdate(oct1name) <
374 (scenedate>illumdate?scenedate:illumdate)) {
375 /* run getbbox */
376 sprintf(buf, "getbbox -w -h %s",
377 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
378 if ((fp = popen(buf, "r")) == NULL)
379 syserr("getbbox");
380 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
381 &min[0], &max[0], &min[1], &max[1],
382 &min[2], &max[2]) != 6) {
383 fprintf(stderr,
384 "%s: error reading bounding box from getbbox\n",
385 progname);
386 quit(1);
387 }
388 for (i = 0; i < 3; i++)
389 if (max[i] - min[i] > osiz)
390 osiz = max[i] - min[i];
391 for (i = 0; i < 3; i++)
392 oorg[i] = (max[i]+min[i]-osiz)*.5;
393 pclose(fp);
394 } else { /* from octree */
395 oconv(); /* does nothing if done already */
396 sprintf(buf, "getinfo -d < %s", oct1name);
397 if ((fp = popen(buf, "r")) == NULL)
398 syserr("getinfo");
399 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
400 &oorg[2], &osiz) != 4) {
401 fprintf(stderr,
402 "%s: error reading bounding cube from getinfo\n",
403 progname);
404 quit(1);
405 }
406 pclose(fp);
407 }
408 }
409 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
410 }
411
412
413 static void
414 setdefaults(void) /* set default values for unassigned var's */
415 {
416 double org[3], lim[3], size;
417 char buf[128];
418
419 if (!vdef(ZONE)) {
420 getoctcube(org, &size);
421 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
422 org[1], org[1]+size, org[2], org[2]+size);
423 vval(ZONE) = savqstr(buf);
424 vdef(ZONE)++;
425 }
426 if (!vdef(EYESEP)) {
427 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
428 &org[0], &lim[0], &org[1], &lim[1],
429 &org[2], &lim[2]) != 6)
430 badvalue(ZONE);
431 sprintf(buf, "%f",
432 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
433 vval(EYESEP) = savqstr(buf);
434 vdef(EYESEP)++;
435 }
436 if (!vdef(INDIRECT)) {
437 vval(INDIRECT) = "0";
438 vdef(INDIRECT)++;
439 }
440 if (!vdef(QUALITY)) {
441 vval(QUALITY) = "L";
442 vdef(QUALITY)++;
443 }
444 if (!vdef(RESOLUTION)) {
445 vval(RESOLUTION) = "512";
446 vdef(RESOLUTION)++;
447 }
448 if (!vdef(PICTURE)) {
449 vval(PICTURE) = radname;
450 vdef(PICTURE)++;
451 }
452 if (!vdef(VIEWS)) {
453 vval(VIEWS) = "X";
454 vdef(VIEWS)++;
455 }
456 if (!vdef(DETAIL)) {
457 vval(DETAIL) = "M";
458 vdef(DETAIL)++;
459 }
460 if (!vdef(PENUMBRAS)) {
461 vval(PENUMBRAS) = "F";
462 vdef(PENUMBRAS)++;
463 }
464 if (!vdef(VARIABILITY)) {
465 vval(VARIABILITY) = "L";
466 vdef(VARIABILITY)++;
467 }
468 }
469
470
471 static void
472 oconv(void) /* run oconv and mkillum if necessary */
473 {
474 static char illumtmp[] = "ilXXXXXX";
475 char combuf[PATH_MAX], ocopts[64], mkopts[1024];
476
477 oconvopts(ocopts); /* get options */
478 if (octreedate < scenedate) { /* check date on original octree */
479 if (touchonly && octreedate)
480 touch(vval(OCTREE));
481 else { /* build command */
482 if (vdef(MATERIAL))
483 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
484 vval(MATERIAL), vval(SCENE),
485 vval(OCTREE));
486 else
487 sprintf(combuf, "oconv%s %s > %s", ocopts,
488 vval(SCENE), vval(OCTREE));
489
490 if (runcom(combuf)) { /* run it */
491 fprintf(stderr,
492 "%s: error generating octree\n\t%s removed\n",
493 progname, vval(OCTREE));
494 unlink(vval(OCTREE));
495 quit(1);
496 }
497 }
498 octreedate = time((time_t *)NULL);
499 if (octreedate < scenedate) /* in case clock is off */
500 octreedate = scenedate;
501 }
502 if (oct1name == vval(OCTREE)) /* no mkillum? */
503 oct1date = octreedate > matdate ? octreedate : matdate;
504 if ((oct1date >= octreedate) & (oct1date >= matdate)
505 & (oct1date >= illumdate)) /* all done */
506 return;
507 /* make octree0 */
508 if ((oct0date < scenedate) | (oct0date < illumdate)) {
509 if (touchonly && oct0date)
510 touch(oct0name);
511 else { /* build command */
512 if (octreedate)
513 sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
514 vval(OCTREE), vval(ILLUM), oct0name);
515 else if (vdef(MATERIAL))
516 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
517 vval(MATERIAL), vval(ILLUM), oct0name);
518 else
519 sprintf(combuf, "oconv%s %s > %s", ocopts,
520 vval(ILLUM), oct0name);
521 if (runcom(combuf)) { /* run it */
522 fprintf(stderr,
523 "%s: error generating octree\n\t%s removed\n",
524 progname, oct0name);
525 unlink(oct0name);
526 quit(1);
527 }
528 }
529 oct0date = time((time_t *)NULL);
530 if (oct0date < octreedate) /* in case clock is off */
531 oct0date = octreedate;
532 if (oct0date < illumdate) /* ditto */
533 oct0date = illumdate;
534 }
535 if (touchonly && oct1date)
536 touch(oct1name);
537 else {
538 mkillumopts(mkopts); /* build mkillum command */
539 mktemp(illumtmp);
540 sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
541 oct0name, vval(ILLUM), illumtmp);
542 if (runcom(combuf)) { /* run it */
543 fprintf(stderr, "%s: error running mkillum\n",
544 progname);
545 unlink(illumtmp);
546 quit(1);
547 }
548 /* make octree1 (frozen) */
549 if (octreedate)
550 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
551 vval(OCTREE), illumtmp, oct1name);
552 else if (vdef(MATERIAL))
553 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
554 vval(MATERIAL), illumtmp, oct1name);
555 else
556 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
557 illumtmp, oct1name);
558 if (runcom(combuf)) { /* run it */
559 fprintf(stderr,
560 "%s: error generating octree\n\t%s removed\n",
561 progname, oct1name);
562 unlink(oct1name);
563 unlink(illumtmp);
564 quit(1);
565 }
566 rmfile(illumtmp);
567 }
568 oct1date = time((time_t *)NULL);
569 if (oct1date < oct0date) /* in case clock is off */
570 oct1date = oct0date;
571 }
572
573
574 static char *
575 addarg( /* add argument and advance pointer */
576 register char *op,
577 register char *arg
578 )
579 {
580 *op = ' ';
581 while ( (*++op = *arg++) )
582 ;
583 return(op);
584 }
585
586
587 static void
588 oconvopts( /* get oconv options */
589 register char *oo
590 )
591 {
592 /* BEWARE: This may be called via setdefaults(), so no assumptions */
593
594 *oo = '\0';
595 if (vdef(OCONV))
596 addarg(oo, vval(OCONV));
597 }
598
599
600 static void
601 mkillumopts( /* get mkillum options */
602 char *mo
603 )
604 {
605 /* BEWARE: This may be called via setdefaults(), so no assumptions */
606
607 if (nprocs > 1) {
608 sprintf(mo, " -n %d", nprocs);
609 while (*mo)
610 mo++;
611 } else
612 *mo = '\0';
613 if (vdef(MKILLUM))
614 addarg(mo, vval(MKILLUM));
615 }
616
617
618 static void
619 checkambfile(void) /* check date on ambient file */
620 {
621 time_t afdate;
622
623 if (!vdef(AMBFILE))
624 return;
625 if (!(afdate = fdate(vval(AMBFILE))))
626 return;
627 if (oct1date > afdate) {
628 if (touchonly)
629 touch(vval(AMBFILE));
630 else
631 rmfile(vval(AMBFILE));
632 }
633 }
634
635
636 static double
637 ambval(void) /* compute ambient value */
638 {
639 if (vdef(EXPOSURE)) {
640 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
641 return(.5/pow(2.,vflt(EXPOSURE)));
642 return(.5/vflt(EXPOSURE));
643 }
644 if (vlet(ZONE) == 'E')
645 return(10.);
646 if (vlet(ZONE) == 'I')
647 return(.01);
648 badvalue(ZONE);
649 return 0; /* pro forma return */
650 }
651
652
653 static void
654 renderopts( /* set rendering options */
655 char *op,
656 char *po
657 )
658 {
659 switch(vscale(QUALITY)) {
660 case LOW:
661 lowqopts(op, po);
662 break;
663 case MEDIUM:
664 medqopts(op, po);
665 break;
666 case HIGH:
667 hiqopts(op, po);
668 break;
669 }
670 }
671
672
673 static void
674 lowqopts( /* low quality rendering options */
675 register char *op,
676 char *po
677 )
678 {
679 double d, org[3], siz[3];
680
681 *op = '\0';
682 *po = '\0';
683 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
684 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
685 badvalue(ZONE);
686 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
687 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
688 badvalue(ZONE);
689 getoctcube(org, &d);
690 d *= 3./(siz[0]+siz[1]+siz[2]);
691 switch (vscale(DETAIL)) {
692 case LOW:
693 po = addarg(po, "-ps 16");
694 op = addarg(op, "-dp 64");
695 sprintf(op, " -ar %d", (int)(8*d));
696 op += strlen(op);
697 break;
698 case MEDIUM:
699 po = addarg(po, "-ps 8");
700 op = addarg(op, "-dp 128");
701 sprintf(op, " -ar %d", (int)(16*d));
702 op += strlen(op);
703 break;
704 case HIGH:
705 po = addarg(po, "-ps 4");
706 op = addarg(op, "-dp 256");
707 sprintf(op, " -ar %d", (int)(32*d));
708 op += strlen(op);
709 break;
710 }
711 po = addarg(po, "-pt .16");
712 if (vbool(PENUMBRAS))
713 op = addarg(op, "-ds .4");
714 else
715 op = addarg(op, "-ds 0");
716 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
717 if (vdef(AMBFILE)) {
718 sprintf(op, " -af %s", vval(AMBFILE));
719 op += strlen(op);
720 } else
721 overture = 0;
722 switch (vscale(VARIABILITY)) {
723 case LOW:
724 op = addarg(op, "-aa .3 -ad 256");
725 break;
726 case MEDIUM:
727 op = addarg(op, "-aa .25 -ad 512");
728 break;
729 case HIGH:
730 op = addarg(op, "-aa .2 -ad 1024");
731 break;
732 }
733 op = addarg(op, "-as 0");
734 d = ambval();
735 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
736 op += strlen(op);
737 op = addarg(op, "-lr 6 -lw .01");
738 if (vdef(RENDER))
739 op = addarg(op, vval(RENDER));
740 }
741
742
743 static void
744 medqopts( /* medium quality rendering options */
745 register char *op,
746 char *po
747 )
748 {
749 double d, org[3], siz[3], asz;
750
751 *op = '\0';
752 *po = '\0';
753 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
754 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
755 badvalue(ZONE);
756 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
757 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
758 badvalue(ZONE);
759 getoctcube(org, &d);
760 asz = (siz[0]+siz[1]+siz[2])/3.;
761 d /= asz;
762 switch (vscale(DETAIL)) {
763 case LOW:
764 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
765 op = addarg(op, "-dp 256");
766 sprintf(op, " -ar %d", (int)(16*d));
767 op += strlen(op);
768 sprintf(op, " -ms %.2g", asz/20.);
769 op += strlen(op);
770 break;
771 case MEDIUM:
772 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
773 op = addarg(op, "-dp 512");
774 sprintf(op, " -ar %d", (int)(32*d));
775 op += strlen(op);
776 sprintf(op, " -ms %.2g", asz/40.);
777 op += strlen(op);
778 break;
779 case HIGH:
780 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
781 op = addarg(op, "-dp 1024");
782 sprintf(op, " -ar %d", (int)(64*d));
783 op += strlen(op);
784 sprintf(op, " -ms %.2g", asz/80.);
785 op += strlen(op);
786 break;
787 }
788 po = addarg(po, "-pt .08");
789 if (vbool(PENUMBRAS))
790 op = addarg(op, "-ds .2 -dj .5");
791 else
792 op = addarg(op, "-ds .3");
793 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
794 if ( (overture = vint(INDIRECT)) ) {
795 sprintf(op, " -ab %d", overture);
796 op += strlen(op);
797 }
798 if (vdef(AMBFILE)) {
799 sprintf(op, " -af %s", vval(AMBFILE));
800 op += strlen(op);
801 } else
802 overture = 0;
803 switch (vscale(VARIABILITY)) {
804 case LOW:
805 op = addarg(op, "-aa .2 -ad 329 -as 42");
806 break;
807 case MEDIUM:
808 op = addarg(op, "-aa .15 -ad 800 -as 128");
809 break;
810 case HIGH:
811 op = addarg(op, "-aa .1 -ad 1536 -as 392");
812 break;
813 }
814 d = ambval();
815 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
816 op += strlen(op);
817 op = addarg(op, "-lr 8 -lw .002");
818 if (vdef(RENDER))
819 op = addarg(op, vval(RENDER));
820 }
821
822
823 static void
824 hiqopts( /* high quality rendering options */
825 register char *op,
826 char *po
827 )
828 {
829 double d, org[3], siz[3], asz;
830
831 *op = '\0';
832 *po = '\0';
833 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
834 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
835 badvalue(ZONE);
836 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
837 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
838 badvalue(ZONE);
839 getoctcube(org, &d);
840 asz = (siz[0]+siz[1]+siz[2])/3.;
841 d /= asz;
842 switch (vscale(DETAIL)) {
843 case LOW:
844 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
845 op = addarg(op, "-dp 1024");
846 sprintf(op, " -ar %d", (int)(32*d));
847 op += strlen(op);
848 sprintf(op, " -ms %.2g", asz/40.);
849 op += strlen(op);
850 break;
851 case MEDIUM:
852 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
853 op = addarg(op, "-dp 2048");
854 sprintf(op, " -ar %d", (int)(64*d));
855 op += strlen(op);
856 sprintf(op, " -ms %.2g", asz/80.);
857 op += strlen(op);
858 break;
859 case HIGH:
860 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
861 op = addarg(op, "-dp 4096");
862 sprintf(op, " -ar %d", (int)(128*d));
863 op += strlen(op);
864 sprintf(op, " -ms %.2g", asz/160.);
865 op += strlen(op);
866 break;
867 }
868 po = addarg(po, "-pt .04");
869 if (vbool(PENUMBRAS))
870 op = addarg(op, "-ds .1 -dj .65");
871 else
872 op = addarg(op, "-ds .2");
873 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
874 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
875 op += strlen(op);
876 if (vdef(AMBFILE)) {
877 sprintf(op, " -af %s", vval(AMBFILE));
878 op += strlen(op);
879 } else
880 overture = 0;
881 switch (vscale(VARIABILITY)) {
882 case LOW:
883 op = addarg(op, "-aa .125 -ad 512 -as 64");
884 break;
885 case MEDIUM:
886 op = addarg(op, "-aa .1 -ad 1536 -as 768");
887 break;
888 case HIGH:
889 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
890 break;
891 }
892 d = ambval();
893 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
894 op += strlen(op);
895 op = addarg(op, "-lr 12 -lw .0005");
896 if (vdef(RENDER))
897 op = addarg(op, vval(RENDER));
898 }
899
900
901 static void
902 xferopts( /* transfer options if indicated */
903 char *ro
904 )
905 {
906 int fd, n;
907 register char *cp;
908
909 n = strlen(ro);
910 if (n < 2)
911 return;
912 if (vdef(OPTFILE)) {
913 for (cp = ro; cp[1]; cp++)
914 if (isspace(cp[1]) && (cp[2] == '@' ||
915 (cp[2] == '-' && isalpha(cp[3]))))
916 *cp = '\n';
917 else
918 *cp = cp[1];
919 *cp = '\n';
920 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
921 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
922 syserr(vval(OPTFILE));
923 sprintf(ro, " @%s", vval(OPTFILE));
924 }
925 #ifdef _WIN32
926 else if (n > 50) {
927 setenv("ROPT", ro+1);
928 strcpy(ro, " $ROPT");
929 }
930 #endif
931 }
932
933
934 static void
935 pfiltopts( /* get pfilt options */
936 register char *po
937 )
938 {
939 *po = '\0';
940 if (vdef(EXPOSURE)) {
941 po = addarg(po, "-1 -e");
942 po = addarg(po, vval(EXPOSURE));
943 }
944 switch (vscale(QUALITY)) {
945 case MEDIUM:
946 po = addarg(po, "-r .6");
947 break;
948 case HIGH:
949 po = addarg(po, "-m .25");
950 break;
951 }
952 if (vdef(PFILT))
953 po = addarg(po, vval(PFILT));
954 }
955
956
957 static int
958 matchword( /* match white-delimited words */
959 register char *s1,
960 register char *s2
961 )
962 {
963 while (isspace(*s1)) s1++;
964 while (isspace(*s2)) s2++;
965 while (*s1 && !isspace(*s1))
966 if (*s1++ != *s2++)
967 return(0);
968 return(!*s2 || isspace(*s2));
969 }
970
971
972 static char *
973 specview( /* get proper view spec from vs */
974 register char *vs
975 )
976 {
977 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
978 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
979 static char viewopts[128];
980 register char *cp;
981 int xpos, ypos, zpos, viewtype, upax;
982 register int i;
983 double cent[3], dim[3], mult, d;
984
985 if (vs == NULL || *vs == '-')
986 return(vs);
987 upax = 0; /* get the up vector */
988 if (vdef(UP)) {
989 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
990 upax = 1-'X'+UPPER(vval(UP)[1]);
991 else
992 upax = 1-'X'+vlet(UP);
993 if ((upax < 1) | (upax > 3))
994 badvalue(UP);
995 if (vval(UP)[0] == '-')
996 upax = -upax;
997 }
998 /* check standard view names */
999 xpos = ypos = zpos = 0;
1000 if (*vs == 'X') {
1001 xpos = 1; vs++;
1002 } else if (*vs == 'x') {
1003 xpos = -1; vs++;
1004 }
1005 if (*vs == 'Y') {
1006 ypos = 1; vs++;
1007 } else if (*vs == 'y') {
1008 ypos = -1; vs++;
1009 }
1010 if (*vs == 'Z') {
1011 zpos = 1; vs++;
1012 } else if (*vs == 'z') {
1013 zpos = -1; vs++;
1014 }
1015 viewtype = 'v';
1016 if((*vs == 'v') | (*vs == 'l') | (*vs == 'a') | (*vs == 'h') | (*vs == 'c'))
1017 viewtype = *vs++;
1018 cp = viewopts;
1019 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1020 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1021 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1022 &cent[0], &dim[0], &cent[1], &dim[1],
1023 &cent[2], &dim[2]) != 6)
1024 badvalue(ZONE);
1025 for (i = 0; i < 3; i++) {
1026 dim[i] -= cent[i];
1027 if (dim[i] <= FTINY)
1028 badvalue(ZONE);
1029 cent[i] += .5*dim[i];
1030 }
1031 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1032 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1033 cent[0]+xpos*mult*dim[0],
1034 cent[1]+ypos*mult*dim[1],
1035 cent[2]+zpos*mult*dim[2],
1036 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1037 cp += strlen(cp);
1038 /* redirect up axis if necessary */
1039 switch (upax) {
1040 case 3: /* plus or minus Z axis */
1041 case -3:
1042 case 0:
1043 if (!(xpos|ypos))
1044 upax = 2;
1045 break;
1046 case 2: /* plus or minus Y axis */
1047 case -2:
1048 if (!(xpos|zpos))
1049 upax = 1;
1050 break;
1051 case 1: /* plus or minus X axis */
1052 case -1:
1053 if (!(ypos|zpos))
1054 upax = 3;
1055 break;
1056 }
1057 cp = addarg(cp, vup[upax+3]);
1058 switch (viewtype) {
1059 case 'v':
1060 cp = addarg(cp, "-vh 45 -vv 45");
1061 break;
1062 case 'l':
1063 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1064 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
1065 cp += strlen(cp);
1066 break;
1067 case 'a':
1068 case 'h':
1069 cp = addarg(cp, "-vh 180 -vv 180");
1070 break;
1071 case 'c':
1072 cp = addarg(cp, "-vh 180 -vv 90");
1073 break;
1074 }
1075 } else {
1076 while (!isspace(*vs)) /* else skip id */
1077 if (!*vs++)
1078 return(NULL);
1079 if (upax) { /* specify up vector */
1080 strcpy(cp, vup[upax+3]);
1081 cp += strlen(cp);
1082 }
1083 }
1084 if (cp == viewopts) /* append any additional options */
1085 vs++; /* skip prefixed space if unneeded */
1086 strcpy(cp, vs);
1087 #ifdef _WIN32
1088 if (strlen(viewopts) > 40) {
1089 setenv("VIEW", viewopts);
1090 return("$VIEW");
1091 }
1092 #endif
1093 return(viewopts);
1094 }
1095
1096
1097 static char *
1098 getview( /* get view n, or NULL if none */
1099 int n,
1100 char *vn /* returned view name */
1101 )
1102 {
1103 register char *mv;
1104
1105 if (viewselect != NULL) { /* command-line selected */
1106 if (n) /* only do one */
1107 return(NULL);
1108 if (viewselect[0] == '-') { /* already specified */
1109 if (vn != NULL) *vn = '\0';
1110 return(viewselect);
1111 }
1112 if (vn != NULL) {
1113 for (mv = viewselect; *mv && !isspace(*mv);
1114 *vn++ = *mv++)
1115 ;
1116 *vn = '\0';
1117 }
1118 /* view number? */
1119 if (isint(viewselect))
1120 return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1121 /* check list */
1122 while ((mv = nvalue(VIEWS, n++)) != NULL)
1123 if (matchword(viewselect, mv))
1124 return(specview(mv));
1125 return(specview(viewselect)); /* standard view? */
1126 }
1127 mv = nvalue(VIEWS, n); /* use view n */
1128 if ((vn != NULL) & (mv != NULL)) {
1129 register char *mv2 = mv;
1130 if (*mv2 != '-')
1131 while (*mv2 && !isspace(*mv2))
1132 *vn++ = *mv2++;
1133 *vn = '\0';
1134 }
1135 return(specview(mv));
1136 }
1137
1138
1139 static int
1140 myprintview( /* print out selected view */
1141 register char *vopts,
1142 FILE *fp
1143 )
1144 {
1145 VIEW vwr;
1146 char buf[128];
1147 register char *cp;
1148 #ifdef _WIN32
1149 /* XXX Should we allow something like this for all platforms? */
1150 /* XXX Or is it still required at all? */
1151 again:
1152 #endif
1153 if (vopts == NULL)
1154 return(-1);
1155 #ifdef _WIN32
1156 if (vopts[0] == '$') {
1157 vopts = getenv(vopts+1);
1158 goto again;
1159 }
1160 #endif
1161 vwr = stdview;
1162 sscanview(&vwr, cp=vopts); /* set initial options */
1163 while ((cp = strstr(cp, "-vf ")) != NULL &&
1164 *atos(buf, sizeof(buf), cp += 4)) {
1165 viewfile(buf, &vwr, NULL); /* load -vf file */
1166 sscanview(&vwr, cp); /* reset tail */
1167 }
1168 fputs(VIEWSTR, fp);
1169 fprintview(&vwr, fp); /* print full spec. */
1170 fputc('\n', fp);
1171 return(0);
1172 }
1173
1174
1175 static void
1176 rvu( /* run rvu with first view */
1177 char *opts,
1178 char *po
1179 )
1180 {
1181 char *vw;
1182 char combuf[PATH_MAX];
1183 /* build command */
1184 if (touchonly || (vw = getview(0, NULL)) == NULL)
1185 return;
1186 if (sayview)
1187 myprintview(vw, stdout);
1188 sprintf(combuf, "rvu %s%s%s -R %s ", vw, po, opts, rifname);
1189 if (rvdevice != NULL)
1190 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1191 if (vdef(EXPOSURE))
1192 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1193 strcat(combuf, oct1name);
1194 if (runcom(combuf)) { /* run it */
1195 fprintf(stderr, "%s: error running rvu\n", progname);
1196 quit(1);
1197 }
1198 }
1199
1200
1201 static void
1202 rpict( /* run rpict and pfilt for each view */
1203 char *opts,
1204 char *po
1205 )
1206 {
1207 char combuf[PATH_MAX];
1208 char rawfile[PATH_MAX], picfile[PATH_MAX];
1209 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1210 char rppopt[128], *pfile = NULL;
1211 char pfopts[128];
1212 char vs[32], *vw;
1213 int vn, mult;
1214 FILE *fp;
1215 time_t rfdt, pfdt;
1216 /* get pfilt options */
1217 pfiltopts(pfopts);
1218 /* get resolution, reporting */
1219 switch (vscale(QUALITY)) {
1220 case LOW:
1221 mult = 1;
1222 break;
1223 case MEDIUM:
1224 mult = 2;
1225 break;
1226 case HIGH:
1227 mult = 3;
1228 break;
1229 }
1230 {
1231 int xres, yres;
1232 double aspect;
1233 int n;
1234 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1235 if (n == 3)
1236 sprintf(res, "-x %d -y %d -pa %.3f",
1237 mult*xres, mult*yres, aspect);
1238 else if (n) {
1239 if (n == 1) yres = xres;
1240 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1241 } else
1242 badvalue(RESOLUTION);
1243 }
1244 rep[0] = '\0';
1245 if (vdef(REPORT)) {
1246 double minutes;
1247 int n;
1248 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1249 if (n == 2)
1250 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1251 else if (n == 1)
1252 sprintf(rep, " -t %d", (int)(minutes*60));
1253 else
1254 badvalue(REPORT);
1255 }
1256 /* set up parallel rendering */
1257 if ((nprocs > 1) & (!vdef(ZFILE))) {
1258 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1259 pfile = rppopt+9;
1260 if (mktemp(pfile) == NULL)
1261 pfile = NULL;
1262 }
1263 vn = 0; /* do each view */
1264 while ((vw = getview(vn++, vs)) != NULL) {
1265 if (sayview)
1266 myprintview(vw, stdout);
1267 if (!vs[0])
1268 sprintf(vs, "%d", vn);
1269 sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1270 if (vdef(ZFILE))
1271 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1272 else
1273 zopt[0] = '\0';
1274 /* check date on picture */
1275 pfdt = fdate(picfile);
1276 if (pfdt >= oct1date)
1277 continue;
1278 /* get raw file name */
1279 sprintf(rawfile, "%s_%s.unf",
1280 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1281 rfdt = fdate(rawfile);
1282 if (touchonly) { /* update times only */
1283 if (rfdt) {
1284 if (rfdt < oct1date)
1285 touch(rawfile);
1286 } else if (pfdt && pfdt < oct1date)
1287 touch(picfile);
1288 continue;
1289 }
1290 if (next_process()) { /* parallel running? */
1291 if (pfile != NULL)
1292 sleep(20);
1293 continue;
1294 }
1295 /* XXX Remember to call finish_process() */
1296 /* build rpict command */
1297 if (rfdt >= oct1date) { /* recover */
1298 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1299 rep, po, opts, zopt, rawfile, oct1name);
1300 if (runcom(combuf)) /* run rpict */
1301 goto rperror;
1302 } else {
1303 if (overture) { /* run overture calculation */
1304 sprintf(combuf,
1305 "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1306 rep, vw, opts,
1307 oct1name, overfile);
1308 if (runcom(combuf)) {
1309 fprintf(stderr,
1310 "%s: error in overture for view %s\n",
1311 progname, vs);
1312 quit(1);
1313 }
1314 #ifndef NULL_DEVICE
1315 rmfile(overfile);
1316 #endif
1317 }
1318 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1319 rep, vw, res, po, opts,
1320 zopt, oct1name, rawfile);
1321 if (pfile != NULL && inchild()) {
1322 /* rpict persistent mode */
1323 if (!silent)
1324 printf("\t%s\n", combuf);
1325 fflush(stdout);
1326 sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1327 rep, rppopt, res, po, opts,
1328 oct1name, rawfile);
1329 fp = popen(combuf, "w");
1330 if (fp == NULL)
1331 goto rperror;
1332 myprintview(vw, fp);
1333 if (pclose(fp))
1334 goto rperror;
1335 } else { /* rpict normal mode */
1336 if (runcom(combuf))
1337 goto rperror;
1338 }
1339 }
1340 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1341 /* build pfilt command */
1342 if (mult > 1)
1343 sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1344 pfopts, mult, mult, rawfile, picfile);
1345 else
1346 sprintf(combuf, "pfilt%s %s > %s", pfopts,
1347 rawfile, picfile);
1348 if (runcom(combuf)) { /* run pfilt */
1349 fprintf(stderr,
1350 "%s: error filtering view %s\n\t%s removed\n",
1351 progname, vs, picfile);
1352 unlink(picfile);
1353 quit(1);
1354 }
1355 }
1356 /* remove/rename raw file */
1357 if (vdef(RAWFILE)) {
1358 sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1359 mvfile(rawfile, combuf);
1360 } else
1361 rmfile(rawfile);
1362 finish_process(); /* exit if child */
1363 }
1364 wait_process(1); /* wait for children to finish */
1365 if (pfile != NULL) { /* clean up rpict persistent mode */
1366 RT_PID pid;
1367 fp = fopen(pfile, "r");
1368 if (fp != NULL) {
1369 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1370 kill(pid, 1) < 0)
1371 unlink(pfile);
1372 fclose(fp);
1373 }
1374 }
1375 return;
1376 rperror:
1377 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1378 quit(1);
1379 }
1380
1381
1382 static int
1383 touch( /* update a file */
1384 char *fn
1385 )
1386 {
1387 if (!silent)
1388 printf("\ttouch %s\n", fn);
1389 if (!nprocs)
1390 return(0);
1391 #ifdef notused
1392 if (access(fn, F_OK) == -1) /* create it */
1393 if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1394 return(-1);
1395 #endif
1396 return(setfdate(fn, time((time_t *)NULL)));
1397 }
1398
1399
1400 static int
1401 runcom( /* run command */
1402 char *cs
1403 )
1404 {
1405 if (!silent) /* echo it */
1406 printf("\t%s\n", cs);
1407 if (!nprocs)
1408 return(0);
1409 fflush(NULL); /* flush output and pass to shell */
1410 return(system(cs));
1411 }
1412
1413
1414 static int
1415 rmfile( /* remove a file */
1416 char *fn
1417 )
1418 {
1419 if (!silent)
1420 printf("\t%s %s\n", DELCMD, fn);
1421 if (!nprocs)
1422 return(0);
1423 return(unlink(fn));
1424 }
1425
1426
1427 static int
1428 mvfile( /* move a file */
1429 char *fold,
1430 char *fnew
1431 )
1432 {
1433 if (!silent)
1434 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1435 if (!nprocs)
1436 return(0);
1437 return(rename(fold, fnew));
1438 }
1439
1440
1441 #ifdef RHAS_FORK_EXEC
1442 static int
1443 next_process(void) /* fork the next process (max. nprocs) */
1444 {
1445 RT_PID child_pid;
1446
1447 if (nprocs <= 1)
1448 return(0); /* it's us or no one */
1449 if (inchild()) {
1450 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1451 progname);
1452 quit(1);
1453 }
1454 if (children_running >= nprocs)
1455 wait_process(0); /* wait for someone to finish */
1456 fflush(NULL); /* flush output */
1457 child_pid = fork(); /* split process */
1458 if (child_pid == 0) { /* we're the child */
1459 children_running = -1;
1460 return(0);
1461 }
1462 if (child_pid > 0) { /* we're the parent */
1463 ++children_running;
1464 return(1);
1465 }
1466 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1467 return(0);
1468 }
1469
1470 static void
1471 wait_process( /* wait for process(es) to finish */
1472 int all
1473 )
1474 {
1475 int ourstatus = 0;
1476 RT_PID pid, status;
1477
1478 if (all)
1479 all = children_running;
1480 else if (children_running > 0)
1481 all = 1;
1482 while (all-- > 0) {
1483 pid = wait(&status);
1484 if (pid < 0)
1485 syserr(progname);
1486 status = status>>8 & 0xff;
1487 --children_running;
1488 if (status != 0) { /* child's problem is our problem */
1489 if ((ourstatus == 0) & (children_running > 0))
1490 fprintf(stderr, "%s: waiting for remaining processes\n",
1491 progname);
1492 ourstatus = status;
1493 all = children_running;
1494 }
1495 }
1496 if (ourstatus != 0)
1497 quit(ourstatus); /* bad status from child */
1498 }
1499 #else /* ! RHAS_FORK_EXEC */
1500 static int
1501 next_process(void)
1502 {
1503 return(0); /* cannot start new process */
1504 }
1505 static void
1506 wait_process(all)
1507 int all;
1508 {
1509 (void)all; /* no one to wait for */
1510 }
1511 int
1512 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1513 RT_PID pid, sig;
1514 {
1515 return 0;
1516 }
1517 #endif /* ! RHAS_FORK_EXEC */
1518
1519 static void
1520 finish_process(void) /* exit a child process */
1521 {
1522 if (!inchild())
1523 return; /* in parent -- noop */
1524 exit(0);
1525 }
1526
1527 #ifdef _WIN32
1528 setenv(vname, value) /* set an environment variable */
1529 char *vname, *value;
1530 {
1531 register char *evp;
1532
1533 evp = bmalloc(strlen(vname)+strlen(value)+2);
1534 if (evp == NULL)
1535 syserr(progname);
1536 sprintf(evp, "%s=%s", vname, value);
1537 if (putenv(evp) != 0) {
1538 fprintf(stderr, "%s: out of environment space\n", progname);
1539 quit(1);
1540 }
1541 if (!silent)
1542 printf("set %s\n", evp);
1543 }
1544 #endif
1545
1546
1547 static void
1548 badvalue( /* report bad variable value and exit */
1549 int vc
1550 )
1551 {
1552 fprintf(stderr, "%s: bad value for variable '%s'\n",
1553 progname, vnam(vc));
1554 quit(1);
1555 }
1556
1557
1558 static void
1559 syserr( /* report a system error and exit */
1560 char *s
1561 )
1562 {
1563 perror(s);
1564 quit(1);
1565 }
1566
1567
1568 void
1569 quit(ec) /* exit program */
1570 int ec;
1571 {
1572 exit(ec);
1573 }