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root/radiance/ray/src/util/rad.c
Revision: 2.76
Committed: Fri Mar 26 21:36:19 2004 UTC (20 years, 1 month ago) by schorsch
Content type: text/plain
Branch: MAIN
Changes since 2.75: +179 -80 lines
Log Message:
Continued ANSIfication.

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.75 2004/01/01 19:31:46 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 #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 continue;
286 if (!(thisdate = fdate(thisfile)))
287 syserr(thisfile);
288 if (thisdate > lastdate)
289 lastdate = thisdate;
290 }
291 return(lastdate);
292 }
293
294
295 static char *
296 newfname( /* create modified file name */
297 char *orig,
298 int pred
299 )
300 {
301 register char *cp;
302 register int n;
303 int suffix;
304
305 n = 0; cp = orig; suffix = -1; /* suffix position, length */
306 while (*cp) {
307 if (*cp == '.') suffix = n;
308 else if (ISDIRSEP(*cp)) suffix = -1;
309 cp++; n++;
310 }
311 if (suffix == -1) suffix = n;
312 if ((cp = bmalloc(n+2)) == NULL)
313 syserr(progname);
314 strncpy(cp, orig, suffix);
315 cp[suffix] = pred; /* root name + pred + suffix */
316 strcpy(cp+suffix+1, orig+suffix);
317 return(cp);
318 }
319
320
321 static void
322 checkfiles(void) /* check for existence and modified times */
323 {
324 time_t objdate;
325
326 if (!vdef(OCTREE)) {
327 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
328 syserr(progname);
329 sprintf(vval(OCTREE), "%s.oct", radname);
330 vdef(OCTREE)++;
331 } else if (vval(OCTREE)[0] == '!') {
332 fprintf(stderr, "%s: illegal '%s' specification\n",
333 progname, vnam(OCTREE));
334 quit(1);
335 }
336 octreedate = fdate(vval(OCTREE));
337 if (vdef(ILLUM)) { /* illum requires secondary octrees */
338 oct0name = newfname(vval(OCTREE), '0');
339 oct1name = newfname(vval(OCTREE), '1');
340 oct0date = fdate(oct0name);
341 oct1date = fdate(oct1name);
342 } else
343 oct0name = oct1name = vval(OCTREE);
344 if ((scenedate = checklast(vval(SCENE))) &&
345 (objdate = checklast(vval(OBJECT))) > scenedate)
346 scenedate = objdate;
347 illumdate = checklast(vval(ILLUM));
348 if (!octreedate & !scenedate & !illumdate) {
349 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
350 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
351 quit(1);
352 }
353 matdate = checklast(vval(MATERIAL));
354 }
355
356
357 static void
358 getoctcube( /* get octree bounding cube */
359 double org[3],
360 double *sizp
361 )
362 {
363 static double oorg[3], osiz = 0.;
364 double min[3], max[3];
365 char buf[1024];
366 FILE *fp;
367 register int i;
368
369 if (osiz <= FTINY) {
370 if (!nprocs && fdate(oct1name) <
371 (scenedate>illumdate?scenedate:illumdate)) {
372 /* run getbbox */
373 sprintf(buf, "getbbox -w -h %s",
374 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
375 if ((fp = popen(buf, "r")) == NULL)
376 syserr("getbbox");
377 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
378 &min[0], &max[0], &min[1], &max[1],
379 &min[2], &max[2]) != 6) {
380 fprintf(stderr,
381 "%s: error reading bounding box from getbbox\n",
382 progname);
383 quit(1);
384 }
385 for (i = 0; i < 3; i++)
386 if (max[i] - min[i] > osiz)
387 osiz = max[i] - min[i];
388 for (i = 0; i < 3; i++)
389 oorg[i] = (max[i]+min[i]-osiz)*.5;
390 pclose(fp);
391 } else { /* from octree */
392 oconv(); /* does nothing if done already */
393 sprintf(buf, "getinfo -d < %s", oct1name);
394 if ((fp = popen(buf, "r")) == NULL)
395 syserr("getinfo");
396 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
397 &oorg[2], &osiz) != 4) {
398 fprintf(stderr,
399 "%s: error reading bounding cube from getinfo\n",
400 progname);
401 quit(1);
402 }
403 pclose(fp);
404 }
405 }
406 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
407 }
408
409
410 static void
411 setdefaults(void) /* set default values for unassigned var's */
412 {
413 double org[3], lim[3], size;
414 char buf[128];
415
416 if (!vdef(ZONE)) {
417 getoctcube(org, &size);
418 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
419 org[1], org[1]+size, org[2], org[2]+size);
420 vval(ZONE) = savqstr(buf);
421 vdef(ZONE)++;
422 }
423 if (!vdef(EYESEP)) {
424 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
425 &org[0], &lim[0], &org[1], &lim[1],
426 &org[2], &lim[2]) != 6)
427 badvalue(ZONE);
428 sprintf(buf, "%f",
429 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
430 vval(EYESEP) = savqstr(buf);
431 vdef(EYESEP)++;
432 }
433 if (!vdef(INDIRECT)) {
434 vval(INDIRECT) = "0";
435 vdef(INDIRECT)++;
436 }
437 if (!vdef(QUALITY)) {
438 vval(QUALITY) = "L";
439 vdef(QUALITY)++;
440 }
441 if (!vdef(RESOLUTION)) {
442 vval(RESOLUTION) = "512";
443 vdef(RESOLUTION)++;
444 }
445 if (!vdef(PICTURE)) {
446 vval(PICTURE) = radname;
447 vdef(PICTURE)++;
448 }
449 if (!vdef(VIEWS)) {
450 vval(VIEWS) = "X";
451 vdef(VIEWS)++;
452 }
453 if (!vdef(DETAIL)) {
454 vval(DETAIL) = "M";
455 vdef(DETAIL)++;
456 }
457 if (!vdef(PENUMBRAS)) {
458 vval(PENUMBRAS) = "F";
459 vdef(PENUMBRAS)++;
460 }
461 if (!vdef(VARIABILITY)) {
462 vval(VARIABILITY) = "L";
463 vdef(VARIABILITY)++;
464 }
465 }
466
467
468 static void
469 oconv(void) /* run oconv and mkillum if necessary */
470 {
471 static char illumtmp[] = "ilXXXXXX";
472 char combuf[PATH_MAX], ocopts[64], mkopts[64];
473
474 oconvopts(ocopts); /* get options */
475 if (octreedate < scenedate) { /* check date on original octree */
476 if (touchonly && octreedate)
477 touch(vval(OCTREE));
478 else { /* build command */
479 if (vdef(MATERIAL))
480 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
481 vval(MATERIAL), vval(SCENE),
482 vval(OCTREE));
483 else
484 sprintf(combuf, "oconv%s %s > %s", ocopts,
485 vval(SCENE), vval(OCTREE));
486
487 if (runcom(combuf)) { /* run it */
488 fprintf(stderr,
489 "%s: error generating octree\n\t%s removed\n",
490 progname, vval(OCTREE));
491 unlink(vval(OCTREE));
492 quit(1);
493 }
494 }
495 octreedate = time((time_t *)NULL);
496 if (octreedate < scenedate) /* in case clock is off */
497 octreedate = scenedate;
498 }
499 if (oct1name == vval(OCTREE)) /* no mkillum? */
500 oct1date = octreedate > matdate ? octreedate : matdate;
501 if ((oct1date >= octreedate) & (oct1date >= matdate)
502 & (oct1date >= illumdate)) /* all done */
503 return;
504 /* make octree0 */
505 if ((oct0date < scenedate) | (oct0date < illumdate)) {
506 if (touchonly && oct0date)
507 touch(oct0name);
508 else { /* build command */
509 if (octreedate)
510 sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
511 vval(OCTREE), vval(ILLUM), oct0name);
512 else if (vdef(MATERIAL))
513 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
514 vval(MATERIAL), vval(ILLUM), oct0name);
515 else
516 sprintf(combuf, "oconv%s %s > %s", ocopts,
517 vval(ILLUM), oct0name);
518 if (runcom(combuf)) { /* run it */
519 fprintf(stderr,
520 "%s: error generating octree\n\t%s removed\n",
521 progname, oct0name);
522 unlink(oct0name);
523 quit(1);
524 }
525 }
526 oct0date = time((time_t *)NULL);
527 if (oct0date < octreedate) /* in case clock is off */
528 oct0date = octreedate;
529 if (oct0date < illumdate) /* ditto */
530 oct0date = illumdate;
531 }
532 if (touchonly && oct1date)
533 touch(oct1name);
534 else {
535 mkillumopts(mkopts); /* build mkillum command */
536 mktemp(illumtmp);
537 sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
538 oct0name, vval(ILLUM), illumtmp);
539 if (runcom(combuf)) { /* run it */
540 fprintf(stderr, "%s: error running mkillum\n",
541 progname);
542 unlink(illumtmp);
543 quit(1);
544 }
545 /* make octree1 (frozen) */
546 if (octreedate)
547 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
548 vval(OCTREE), illumtmp, oct1name);
549 else if (vdef(MATERIAL))
550 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
551 vval(MATERIAL), illumtmp, oct1name);
552 else
553 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
554 illumtmp, oct1name);
555 if (runcom(combuf)) { /* run it */
556 fprintf(stderr,
557 "%s: error generating octree\n\t%s removed\n",
558 progname, oct1name);
559 unlink(oct1name);
560 unlink(illumtmp);
561 quit(1);
562 }
563 rmfile(illumtmp);
564 }
565 oct1date = time((time_t *)NULL);
566 if (oct1date < oct0date) /* in case clock is off */
567 oct1date = oct0date;
568 }
569
570
571 static char *
572 addarg( /* add argument and advance pointer */
573 register char *op,
574 register char *arg
575 )
576 {
577 *op = ' ';
578 while ( (*++op = *arg++) )
579 ;
580 return(op);
581 }
582
583
584 static void
585 oconvopts( /* get oconv options */
586 register char *oo
587 )
588 {
589 /* BEWARE: This may be called via setdefaults(), so no assumptions */
590
591 *oo = '\0';
592 if (vdef(OCONV))
593 addarg(oo, vval(OCONV));
594 }
595
596
597 static void
598 mkillumopts( /* get mkillum options */
599 register char *mo
600 )
601 {
602 /* BEWARE: This may be called via setdefaults(), so no assumptions */
603
604 *mo = '\0';
605 if (vdef(MKILLUM))
606 addarg(mo, vval(MKILLUM));
607 }
608
609
610 static void
611 checkambfile(void) /* check date on ambient file */
612 {
613 time_t afdate;
614
615 if (!vdef(AMBFILE))
616 return;
617 if (!(afdate = fdate(vval(AMBFILE))))
618 return;
619 if (oct1date > afdate) {
620 if (touchonly)
621 touch(vval(AMBFILE));
622 else
623 rmfile(vval(AMBFILE));
624 }
625 }
626
627
628 static double
629 ambval(void) /* compute ambient value */
630 {
631 if (vdef(EXPOSURE)) {
632 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
633 return(.5/pow(2.,vflt(EXPOSURE)));
634 return(.5/vflt(EXPOSURE));
635 }
636 if (vlet(ZONE) == 'E')
637 return(10.);
638 if (vlet(ZONE) == 'I')
639 return(.01);
640 badvalue(ZONE);
641 return 0; /* pro forma return */
642 }
643
644
645 static void
646 renderopts( /* set rendering options */
647 char *op,
648 char *po
649 )
650 {
651 switch(vscale(QUALITY)) {
652 case LOW:
653 lowqopts(op, po);
654 break;
655 case MEDIUM:
656 medqopts(op, po);
657 break;
658 case HIGH:
659 hiqopts(op, po);
660 break;
661 }
662 }
663
664
665 static void
666 lowqopts( /* low quality rendering options */
667 register char *op,
668 char *po
669 )
670 {
671 double d, org[3], siz[3];
672
673 *op = '\0';
674 *po = '\0';
675 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
676 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
677 badvalue(ZONE);
678 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
679 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
680 badvalue(ZONE);
681 getoctcube(org, &d);
682 d *= 3./(siz[0]+siz[1]+siz[2]);
683 switch (vscale(DETAIL)) {
684 case LOW:
685 po = addarg(po, "-ps 16");
686 op = addarg(op, "-dp 64");
687 sprintf(op, " -ar %d", (int)(8*d));
688 op += strlen(op);
689 break;
690 case MEDIUM:
691 po = addarg(po, "-ps 8");
692 op = addarg(op, "-dp 128");
693 sprintf(op, " -ar %d", (int)(16*d));
694 op += strlen(op);
695 break;
696 case HIGH:
697 po = addarg(po, "-ps 4");
698 op = addarg(op, "-dp 256");
699 sprintf(op, " -ar %d", (int)(32*d));
700 op += strlen(op);
701 break;
702 }
703 po = addarg(po, "-pt .16");
704 if (vbool(PENUMBRAS))
705 op = addarg(op, "-ds .4");
706 else
707 op = addarg(op, "-ds 0");
708 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
709 if (vdef(AMBFILE)) {
710 sprintf(op, " -af %s", vval(AMBFILE));
711 op += strlen(op);
712 } else
713 overture = 0;
714 switch (vscale(VARIABILITY)) {
715 case LOW:
716 op = addarg(op, "-aa .3 -ad 256");
717 break;
718 case MEDIUM:
719 op = addarg(op, "-aa .25 -ad 512");
720 break;
721 case HIGH:
722 op = addarg(op, "-aa .2 -ad 1024");
723 break;
724 }
725 op = addarg(op, "-as 0");
726 d = ambval();
727 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
728 op += strlen(op);
729 op = addarg(op, "-lr 6 -lw .01");
730 if (vdef(RENDER))
731 op = addarg(op, vval(RENDER));
732 }
733
734
735 static void
736 medqopts( /* medium quality rendering options */
737 register char *op,
738 char *po
739 )
740 {
741 double d, org[3], siz[3], asz;
742
743 *op = '\0';
744 *po = '\0';
745 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
746 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
747 badvalue(ZONE);
748 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
749 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
750 badvalue(ZONE);
751 getoctcube(org, &d);
752 asz = (siz[0]+siz[1]+siz[2])/3.;
753 d /= asz;
754 switch (vscale(DETAIL)) {
755 case LOW:
756 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
757 op = addarg(op, "-dp 256");
758 sprintf(op, " -ar %d", (int)(16*d));
759 op += strlen(op);
760 sprintf(op, " -ms %.2g", asz/20.);
761 op += strlen(op);
762 break;
763 case MEDIUM:
764 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
765 op = addarg(op, "-dp 512");
766 sprintf(op, " -ar %d", (int)(32*d));
767 op += strlen(op);
768 sprintf(op, " -ms %.2g", asz/40.);
769 op += strlen(op);
770 break;
771 case HIGH:
772 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
773 op = addarg(op, "-dp 1024");
774 sprintf(op, " -ar %d", (int)(64*d));
775 op += strlen(op);
776 sprintf(op, " -ms %.2g", asz/80.);
777 op += strlen(op);
778 break;
779 }
780 po = addarg(po, "-pt .08");
781 if (vbool(PENUMBRAS))
782 op = addarg(op, "-ds .2 -dj .5");
783 else
784 op = addarg(op, "-ds .3");
785 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
786 if ( (overture = vint(INDIRECT)) ) {
787 sprintf(op, " -ab %d", overture);
788 op += strlen(op);
789 }
790 if (vdef(AMBFILE)) {
791 sprintf(op, " -af %s", vval(AMBFILE));
792 op += strlen(op);
793 } else
794 overture = 0;
795 switch (vscale(VARIABILITY)) {
796 case LOW:
797 op = addarg(op, "-aa .2 -ad 329 -as 42");
798 break;
799 case MEDIUM:
800 op = addarg(op, "-aa .15 -ad 800 -as 128");
801 break;
802 case HIGH:
803 op = addarg(op, "-aa .1 -ad 1536 -as 392");
804 break;
805 }
806 d = ambval();
807 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
808 op += strlen(op);
809 op = addarg(op, "-lr 8 -lw .002");
810 if (vdef(RENDER))
811 op = addarg(op, vval(RENDER));
812 }
813
814
815 static void
816 hiqopts( /* high quality rendering options */
817 register char *op,
818 char *po
819 )
820 {
821 double d, org[3], siz[3], asz;
822
823 *op = '\0';
824 *po = '\0';
825 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
826 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
827 badvalue(ZONE);
828 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
829 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
830 badvalue(ZONE);
831 getoctcube(org, &d);
832 asz = (siz[0]+siz[1]+siz[2])/3.;
833 d /= asz;
834 switch (vscale(DETAIL)) {
835 case LOW:
836 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
837 op = addarg(op, "-dp 1024");
838 sprintf(op, " -ar %d", (int)(32*d));
839 op += strlen(op);
840 sprintf(op, " -ms %.2g", asz/40.);
841 op += strlen(op);
842 break;
843 case MEDIUM:
844 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
845 op = addarg(op, "-dp 2048");
846 sprintf(op, " -ar %d", (int)(64*d));
847 op += strlen(op);
848 sprintf(op, " -ms %.2g", asz/80.);
849 op += strlen(op);
850 break;
851 case HIGH:
852 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
853 op = addarg(op, "-dp 4096");
854 sprintf(op, " -ar %d", (int)(128*d));
855 op += strlen(op);
856 sprintf(op, " -ms %.2g", asz/160.);
857 op += strlen(op);
858 break;
859 }
860 po = addarg(po, "-pt .04");
861 if (vbool(PENUMBRAS))
862 op = addarg(op, "-ds .1 -dj .65");
863 else
864 op = addarg(op, "-ds .2");
865 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
866 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
867 op += strlen(op);
868 if (vdef(AMBFILE)) {
869 sprintf(op, " -af %s", vval(AMBFILE));
870 op += strlen(op);
871 } else
872 overture = 0;
873 switch (vscale(VARIABILITY)) {
874 case LOW:
875 op = addarg(op, "-aa .125 -ad 512 -as 64");
876 break;
877 case MEDIUM:
878 op = addarg(op, "-aa .1 -ad 1536 -as 768");
879 break;
880 case HIGH:
881 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
882 break;
883 }
884 d = ambval();
885 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
886 op += strlen(op);
887 op = addarg(op, "-lr 12 -lw .0005");
888 if (vdef(RENDER))
889 op = addarg(op, vval(RENDER));
890 }
891
892
893 static void
894 xferopts( /* transfer options if indicated */
895 char *ro
896 )
897 {
898 int fd, n;
899 register char *cp;
900
901 n = strlen(ro);
902 if (n < 2)
903 return;
904 if (vdef(OPTFILE)) {
905 for (cp = ro; cp[1]; cp++)
906 if (isspace(cp[1]) && (cp[2] == '@' ||
907 (cp[2] == '-' && isalpha(cp[3]))))
908 *cp = '\n';
909 else
910 *cp = cp[1];
911 *cp = '\n';
912 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
913 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
914 syserr(vval(OPTFILE));
915 sprintf(ro, " @%s", vval(OPTFILE));
916 }
917 #ifdef _WIN32
918 else if (n > 50) {
919 setenv("ROPT", ro+1);
920 strcpy(ro, " $ROPT");
921 }
922 #endif
923 }
924
925
926 static void
927 pfiltopts( /* get pfilt options */
928 register char *po
929 )
930 {
931 *po = '\0';
932 if (vdef(EXPOSURE)) {
933 po = addarg(po, "-1 -e");
934 po = addarg(po, vval(EXPOSURE));
935 }
936 switch (vscale(QUALITY)) {
937 case MEDIUM:
938 po = addarg(po, "-r .6");
939 break;
940 case HIGH:
941 po = addarg(po, "-m .25");
942 break;
943 }
944 if (vdef(PFILT))
945 po = addarg(po, vval(PFILT));
946 }
947
948
949 static int
950 matchword( /* match white-delimited words */
951 register char *s1,
952 register char *s2
953 )
954 {
955 while (isspace(*s1)) s1++;
956 while (isspace(*s2)) s2++;
957 while (*s1 && !isspace(*s1))
958 if (*s1++ != *s2++)
959 return(0);
960 return(!*s2 || isspace(*s2));
961 }
962
963
964 static char *
965 specview( /* get proper view spec from vs */
966 register char *vs
967 )
968 {
969 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
970 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
971 static char viewopts[128];
972 register char *cp;
973 int xpos, ypos, zpos, viewtype, upax;
974 register int i;
975 double cent[3], dim[3], mult, d;
976
977 if (vs == NULL || *vs == '-')
978 return(vs);
979 upax = 0; /* get the up vector */
980 if (vdef(UP)) {
981 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
982 upax = 1-'X'+UPPER(vval(UP)[1]);
983 else
984 upax = 1-'X'+vlet(UP);
985 if ((upax < 1) | (upax > 3))
986 badvalue(UP);
987 if (vval(UP)[0] == '-')
988 upax = -upax;
989 }
990 /* check standard view names */
991 xpos = ypos = zpos = 0;
992 if (*vs == 'X') {
993 xpos = 1; vs++;
994 } else if (*vs == 'x') {
995 xpos = -1; vs++;
996 }
997 if (*vs == 'Y') {
998 ypos = 1; vs++;
999 } else if (*vs == 'y') {
1000 ypos = -1; vs++;
1001 }
1002 if (*vs == 'Z') {
1003 zpos = 1; vs++;
1004 } else if (*vs == 'z') {
1005 zpos = -1; vs++;
1006 }
1007 viewtype = 'v';
1008 if((*vs == 'v') | (*vs == 'l') | (*vs == 'a') | (*vs == 'h') | (*vs == 'c'))
1009 viewtype = *vs++;
1010 cp = viewopts;
1011 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1012 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1013 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1014 &cent[0], &dim[0], &cent[1], &dim[1],
1015 &cent[2], &dim[2]) != 6)
1016 badvalue(ZONE);
1017 for (i = 0; i < 3; i++) {
1018 dim[i] -= cent[i];
1019 if (dim[i] <= FTINY)
1020 badvalue(ZONE);
1021 cent[i] += .5*dim[i];
1022 }
1023 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1024 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1025 cent[0]+xpos*mult*dim[0],
1026 cent[1]+ypos*mult*dim[1],
1027 cent[2]+zpos*mult*dim[2],
1028 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1029 cp += strlen(cp);
1030 /* redirect up axis if necessary */
1031 switch (upax) {
1032 case 3: /* plus or minus Z axis */
1033 case -3:
1034 case 0:
1035 if (!(xpos|ypos))
1036 upax = 2;
1037 break;
1038 case 2: /* plus or minus Y axis */
1039 case -2:
1040 if (!(xpos|zpos))
1041 upax = 1;
1042 break;
1043 case 1: /* plus or minus X axis */
1044 case -1:
1045 if (!(ypos|zpos))
1046 upax = 3;
1047 break;
1048 }
1049 cp = addarg(cp, vup[upax+3]);
1050 switch (viewtype) {
1051 case 'v':
1052 cp = addarg(cp, "-vh 45 -vv 45");
1053 break;
1054 case 'l':
1055 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1056 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
1057 cp += strlen(cp);
1058 break;
1059 case 'a':
1060 case 'h':
1061 cp = addarg(cp, "-vh 180 -vv 180");
1062 break;
1063 case 'c':
1064 cp = addarg(cp, "-vh 180 -vv 90");
1065 break;
1066 }
1067 } else {
1068 while (!isspace(*vs)) /* else skip id */
1069 if (!*vs++)
1070 return(NULL);
1071 if (upax) { /* specify up vector */
1072 strcpy(cp, vup[upax+3]);
1073 cp += strlen(cp);
1074 }
1075 }
1076 if (cp == viewopts) /* append any additional options */
1077 vs++; /* skip prefixed space if unneeded */
1078 strcpy(cp, vs);
1079 #ifdef _WIN32
1080 if (strlen(viewopts) > 40) {
1081 setenv("VIEW", viewopts);
1082 return("$VIEW");
1083 }
1084 #endif
1085 return(viewopts);
1086 }
1087
1088
1089 static char *
1090 getview( /* get view n, or NULL if none */
1091 int n,
1092 char *vn /* returned view name */
1093 )
1094 {
1095 register char *mv;
1096
1097 if (viewselect != NULL) { /* command-line selected */
1098 if (n) /* only do one */
1099 return(NULL);
1100 if (viewselect[0] == '-') { /* already specified */
1101 if (vn != NULL) *vn = '\0';
1102 return(viewselect);
1103 }
1104 if (vn != NULL) {
1105 for (mv = viewselect; *mv && !isspace(*mv);
1106 *vn++ = *mv++)
1107 ;
1108 *vn = '\0';
1109 }
1110 /* view number? */
1111 if (isint(viewselect))
1112 return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1113 /* check list */
1114 while ((mv = nvalue(VIEWS, n++)) != NULL)
1115 if (matchword(viewselect, mv))
1116 return(specview(mv));
1117 return(specview(viewselect)); /* standard view? */
1118 }
1119 mv = nvalue(VIEWS, n); /* use view n */
1120 if ((vn != NULL) & (mv != NULL)) {
1121 register char *mv2 = mv;
1122 if (*mv2 != '-')
1123 while (*mv2 && !isspace(*mv2))
1124 *vn++ = *mv2++;
1125 *vn = '\0';
1126 }
1127 return(specview(mv));
1128 }
1129
1130
1131 static int
1132 myprintview( /* print out selected view */
1133 register char *vopts,
1134 FILE *fp
1135 )
1136 {
1137 VIEW vwr;
1138 char buf[128];
1139 register char *cp;
1140 if (vopts == NULL)
1141 return(-1);
1142 #ifdef _WIN32
1143 if (vopts[0] == '$') {
1144 vopts = getenv(vopts+1);
1145 goto again;
1146 }
1147 #endif
1148 vwr = stdview;
1149 sscanview(&vwr, cp=vopts); /* set initial options */
1150 while ((cp = strstr(cp, "-vf ")) != NULL &&
1151 *atos(buf, sizeof(buf), cp += 4)) {
1152 viewfile(buf, &vwr, NULL); /* load -vf file */
1153 sscanview(&vwr, cp); /* reset tail */
1154 }
1155 fputs(VIEWSTR, fp);
1156 fprintview(&vwr, fp); /* print full spec. */
1157 fputc('\n', fp);
1158 return(0);
1159 }
1160
1161
1162 static void
1163 rvu( /* run rvu with first view */
1164 char *opts,
1165 char *po
1166 )
1167 {
1168 char *vw;
1169 char combuf[PATH_MAX];
1170 /* build command */
1171 if (touchonly || (vw = getview(0, NULL)) == NULL)
1172 return;
1173 if (sayview)
1174 myprintview(vw, stdout);
1175 sprintf(combuf, "rvu %s%s%s -R %s ", vw, po, opts, rifname);
1176 if (rvdevice != NULL)
1177 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1178 if (vdef(EXPOSURE))
1179 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1180 strcat(combuf, oct1name);
1181 if (runcom(combuf)) { /* run it */
1182 fprintf(stderr, "%s: error running rvu\n", progname);
1183 quit(1);
1184 }
1185 }
1186
1187
1188 static void
1189 rpict( /* run rpict and pfilt for each view */
1190 char *opts,
1191 char *po
1192 )
1193 {
1194 char combuf[PATH_MAX];
1195 char rawfile[PATH_MAX], picfile[PATH_MAX];
1196 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1197 char rppopt[128], *pfile = NULL;
1198 char pfopts[128];
1199 char vs[32], *vw;
1200 int vn, mult;
1201 FILE *fp;
1202 time_t rfdt, pfdt;
1203 /* get pfilt options */
1204 pfiltopts(pfopts);
1205 /* get resolution, reporting */
1206 switch (vscale(QUALITY)) {
1207 case LOW:
1208 mult = 1;
1209 break;
1210 case MEDIUM:
1211 mult = 2;
1212 break;
1213 case HIGH:
1214 mult = 3;
1215 break;
1216 }
1217 {
1218 int xres, yres;
1219 double aspect;
1220 int n;
1221 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1222 if (n == 3)
1223 sprintf(res, "-x %d -y %d -pa %.3f",
1224 mult*xres, mult*yres, aspect);
1225 else if (n) {
1226 if (n == 1) yres = xres;
1227 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1228 } else
1229 badvalue(RESOLUTION);
1230 }
1231 rep[0] = '\0';
1232 if (vdef(REPORT)) {
1233 double minutes;
1234 int n;
1235 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1236 if (n == 2)
1237 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1238 else if (n == 1)
1239 sprintf(rep, " -t %d", (int)(minutes*60));
1240 else
1241 badvalue(REPORT);
1242 }
1243 /* set up parallel rendering */
1244 if ((nprocs > 1) & (!vdef(ZFILE))) {
1245 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1246 pfile = rppopt+9;
1247 if (mktemp(pfile) == NULL)
1248 pfile = NULL;
1249 }
1250 vn = 0; /* do each view */
1251 while ((vw = getview(vn++, vs)) != NULL) {
1252 if (sayview)
1253 myprintview(vw, stdout);
1254 if (!vs[0])
1255 sprintf(vs, "%d", vn);
1256 sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1257 if (vdef(ZFILE))
1258 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1259 else
1260 zopt[0] = '\0';
1261 /* check date on picture */
1262 pfdt = fdate(picfile);
1263 if (pfdt >= oct1date)
1264 continue;
1265 /* get raw file name */
1266 sprintf(rawfile, "%s_%s.unf",
1267 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1268 rfdt = fdate(rawfile);
1269 if (touchonly) { /* update times only */
1270 if (rfdt) {
1271 if (rfdt < oct1date)
1272 touch(rawfile);
1273 } else if (pfdt && pfdt < oct1date)
1274 touch(picfile);
1275 continue;
1276 }
1277 if (next_process()) { /* parallel running? */
1278 if (pfile != NULL)
1279 sleep(20);
1280 continue;
1281 }
1282 /* XXX Remember to call finish_process() */
1283 /* build rpict command */
1284 if (rfdt >= oct1date) { /* recover */
1285 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1286 rep, po, opts, zopt, rawfile, oct1name);
1287 if (runcom(combuf)) /* run rpict */
1288 goto rperror;
1289 } else {
1290 if (overture) { /* run overture calculation */
1291 sprintf(combuf,
1292 "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1293 rep, vw, opts,
1294 oct1name, overfile);
1295 if (runcom(combuf)) {
1296 fprintf(stderr,
1297 "%s: error in overture for view %s\n",
1298 progname, vs);
1299 quit(1);
1300 }
1301 #ifndef NULL_DEVICE
1302 rmfile(overfile);
1303 #endif
1304 }
1305 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1306 rep, vw, res, po, opts,
1307 zopt, oct1name, rawfile);
1308 if (pfile != NULL && inchild()) {
1309 /* rpict persistent mode */
1310 if (!silent)
1311 printf("\t%s\n", combuf);
1312 sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1313 rep, rppopt, res, po, opts,
1314 oct1name, rawfile);
1315 fflush(stdout);
1316 fp = popen(combuf, "w");
1317 if (fp == NULL)
1318 goto rperror;
1319 myprintview(vw, fp);
1320 if (pclose(fp))
1321 goto rperror;
1322 } else { /* rpict normal mode */
1323 if (runcom(combuf))
1324 goto rperror;
1325 }
1326 }
1327 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1328 /* build pfilt command */
1329 if (mult > 1)
1330 sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1331 pfopts, mult, mult, rawfile, picfile);
1332 else
1333 sprintf(combuf, "pfilt%s %s > %s", pfopts,
1334 rawfile, picfile);
1335 if (runcom(combuf)) { /* run pfilt */
1336 fprintf(stderr,
1337 "%s: error filtering view %s\n\t%s removed\n",
1338 progname, vs, picfile);
1339 unlink(picfile);
1340 quit(1);
1341 }
1342 }
1343 /* remove/rename raw file */
1344 if (vdef(RAWFILE)) {
1345 sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1346 mvfile(rawfile, combuf);
1347 } else
1348 rmfile(rawfile);
1349 finish_process(); /* exit if child */
1350 }
1351 wait_process(1); /* wait for children to finish */
1352 if (pfile != NULL) { /* clean up rpict persistent mode */
1353 int pid;
1354 fp = fopen(pfile, "r");
1355 if (fp != NULL) {
1356 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1357 kill(pid, 1) < 0)
1358 unlink(pfile);
1359 fclose(fp);
1360 }
1361 }
1362 return;
1363 rperror:
1364 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1365 quit(1);
1366 }
1367
1368
1369 static int
1370 touch( /* update a file */
1371 char *fn
1372 )
1373 {
1374 if (!silent)
1375 printf("\ttouch %s\n", fn);
1376 if (!nprocs)
1377 return(0);
1378 #ifdef notused
1379 if (access(fn, F_OK) == -1) /* create it */
1380 if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1381 return(-1);
1382 #endif
1383 return(setfdate(fn, time((time_t *)NULL)));
1384 }
1385
1386
1387 static int
1388 runcom( /* run command */
1389 char *cs
1390 )
1391 {
1392 if (!silent) /* echo it */
1393 printf("\t%s\n", cs);
1394 if (!nprocs)
1395 return(0);
1396 fflush(stdout); /* flush output and pass to shell */
1397 return(system(cs));
1398 }
1399
1400
1401 static int
1402 rmfile( /* remove a file */
1403 char *fn
1404 )
1405 {
1406 if (!silent)
1407 printf("\t%s %s\n", DELCMD, fn);
1408 if (!nprocs)
1409 return(0);
1410 return(unlink(fn));
1411 }
1412
1413
1414 static int
1415 mvfile( /* move a file */
1416 char *fold,
1417 char *fnew
1418 )
1419 {
1420 if (!silent)
1421 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1422 if (!nprocs)
1423 return(0);
1424 return(rename(fold, fnew));
1425 }
1426
1427
1428 #ifdef RHAS_FORK_EXEC
1429 static int
1430 next_process(void) /* fork the next process (max. nprocs) */
1431 {
1432 int child_pid;
1433
1434 if (nprocs <= 1)
1435 return(0); /* it's us or no one */
1436 if (inchild()) {
1437 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1438 progname);
1439 quit(1);
1440 }
1441 if (children_running >= nprocs)
1442 wait_process(0); /* wait for someone to finish */
1443 fflush(stdout);
1444 child_pid = fork(); /* split process */
1445 if (child_pid == 0) { /* we're the child */
1446 children_running = -1;
1447 return(0);
1448 }
1449 if (child_pid > 0) { /* we're the parent */
1450 ++children_running;
1451 return(1);
1452 }
1453 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1454 return(0);
1455 }
1456
1457 static void
1458 wait_process( /* wait for process(es) to finish */
1459 int all
1460 )
1461 {
1462 int ourstatus = 0;
1463 int pid, status;
1464
1465 if (all)
1466 all = children_running;
1467 else if (children_running > 0)
1468 all = 1;
1469 while (all-- > 0) {
1470 pid = wait(&status);
1471 if (pid < 0)
1472 syserr(progname);
1473 status = status>>8 & 0xff;
1474 --children_running;
1475 if (status != 0) { /* child's problem is our problem */
1476 if ((ourstatus == 0) & (children_running > 0))
1477 fprintf(stderr, "%s: waiting for remaining processes\n",
1478 progname);
1479 ourstatus = status;
1480 all = children_running;
1481 }
1482 }
1483 if (ourstatus != 0)
1484 quit(ourstatus); /* bad status from child */
1485 }
1486 #else /* ! RHAS_FORK_EXEC */
1487 static int
1488 next_process(void)
1489 {
1490 return(0); /* cannot start new process */
1491 }
1492 static void
1493 wait_process(all)
1494 int all;
1495 {
1496 (void)all; /* no one to wait for */
1497 }
1498 int
1499 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1500 int pid, sig;
1501 {
1502 return 0;
1503 }
1504 #endif /* ! RHAS_FORK_EXEC */
1505
1506 static void
1507 finish_process(void) /* exit a child process */
1508 {
1509 if (!inchild())
1510 return; /* in parent -- noop */
1511 exit(0);
1512 }
1513
1514 #ifdef _WIN32
1515 setenv(vname, value) /* set an environment variable */
1516 char *vname, *value;
1517 {
1518 register char *evp;
1519
1520 evp = bmalloc(strlen(vname)+strlen(value)+2);
1521 if (evp == NULL)
1522 syserr(progname);
1523 sprintf(evp, "%s=%s", vname, value);
1524 if (putenv(evp) != 0) {
1525 fprintf(stderr, "%s: out of environment space\n", progname);
1526 quit(1);
1527 }
1528 if (!silent)
1529 printf("set %s\n", evp);
1530 }
1531 #endif
1532
1533
1534 static void
1535 badvalue( /* report bad variable value and exit */
1536 int vc
1537 )
1538 {
1539 fprintf(stderr, "%s: bad value for variable '%s'\n",
1540 progname, vnam(vc));
1541 quit(1);
1542 }
1543
1544
1545 static void
1546 syserr( /* report a system error and exit */
1547 char *s
1548 )
1549 {
1550 perror(s);
1551 quit(1);
1552 }
1553
1554
1555 void
1556 quit(ec) /* exit program */
1557 int ec;
1558 {
1559 exit(ec);
1560 }