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root/radiance/ray/src/util/ranimate.c
Revision: 2.18
Committed: Mon Jul 8 14:53:17 1996 UTC (27 years, 9 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.17: +42 -36 lines
Log Message:
fixed problem in multiple recovery by putting important code in donecom()

File Contents

# User Rev Content
1 greg 2.11 /* Copyright (c) 1996 Regents of the University of California */
2 greg 2.1
3     #ifndef lint
4     static char SCCSid[] = "$SunId$ LBL";
5     #endif
6    
7     /*
8     * Radiance animation control program
9     */
10    
11     #include "standard.h"
12 greg 2.2 #include <ctype.h>
13 greg 2.1 #include <sys/types.h>
14     #include <sys/stat.h>
15     #include "view.h"
16     #include "vars.h"
17 greg 2.2 #include "netproc.h"
18 greg 2.10 /* default remote shell */
19     #ifdef _AUX_SOURCE
20     #define REMSH "remsh"
21     #else
22     #define REMSH "rsh"
23     #endif
24 greg 2.1 /* input variables */
25     #define HOST 0 /* rendering host machine */
26     #define RENDER 1 /* rendering options */
27     #define PFILT 2 /* pfilt options */
28     #define PINTERP 3 /* pinterp options */
29     #define OCTREE 4 /* octree file name */
30     #define DIRECTORY 5 /* working (sub)directory */
31     #define BASENAME 6 /* output image base name */
32     #define VIEWFILE 7 /* animation frame views */
33     #define START 8 /* starting frame number */
34     #define END 9 /* ending frame number */
35     #define RIF 10 /* rad input file */
36     #define NEXTANIM 11 /* next animation file */
37     #define ANIMATE 12 /* animation command */
38     #define TRANSFER 13 /* frame transfer command */
39     #define ARCHIVE 14 /* archiving command */
40     #define INTERP 15 /* # frames to interpolate */
41     #define OVERSAMP 16 /* # times to oversample image */
42     #define MBLUR 17 /* samples for motion blur */
43     #define RTRACE 18 /* use rtrace with pinterp? */
44     #define DISKSPACE 19 /* how much disk space to use */
45     #define RESOLUTION 20 /* desired final resolution */
46     #define EXPOSURE 21 /* how to compute exposure */
47 greg 2.10 #define RSH 22 /* remote shell script or program */
48 greg 2.1
49 greg 2.10 int NVARS = 23; /* total number of variables */
50 greg 2.1
51     VARIABLE vv[] = { /* variable-value pairs */
52     {"host", 4, 0, NULL, NULL},
53     {"render", 3, 0, NULL, catvalues},
54     {"pfilt", 2, 0, NULL, catvalues},
55     {"pinterp", 2, 0, NULL, catvalues},
56     {"OCTREE", 3, 0, NULL, onevalue},
57     {"DIRECTORY", 3, 0, NULL, onevalue},
58     {"BASENAME", 3, 0, NULL, onevalue},
59     {"VIEWFILE", 2, 0, NULL, onevalue},
60     {"START", 2, 0, NULL, intvalue},
61     {"END", 2, 0, NULL, intvalue},
62     {"RIF", 3, 0, NULL, onevalue},
63     {"NEXTANIM", 3, 0, NULL, onevalue},
64     {"ANIMATE", 2, 0, NULL, onevalue},
65     {"TRANSFER", 2, 0, NULL, onevalue},
66     {"ARCHIVE", 2, 0, NULL, onevalue},
67 greg 2.5 {"INTERPOLATE", 3, 0, NULL, intvalue},
68     {"OVERSAMPLE", 2, 0, NULL, fltvalue},
69 greg 2.1 {"MBLUR", 2, 0, NULL, onevalue},
70     {"RTRACE", 2, 0, NULL, boolvalue},
71     {"DISKSPACE", 3, 0, NULL, fltvalue},
72     {"RESOLUTION", 3, 0, NULL, onevalue},
73     {"EXPOSURE", 3, 0, NULL, onevalue},
74 greg 2.10 {"RSH", 3, 0, NULL, onevalue},
75 greg 2.1 };
76    
77     #define SFNAME "STATUS" /* status file name */
78    
79     struct {
80     char host[64]; /* control host name */
81     int pid; /* control process id */
82     char cfname[128]; /* control file name */
83     int rnext; /* next frame to render */
84     int fnext; /* next frame to filter */
85     int tnext; /* next frame to transfer */
86     } astat; /* animation status */
87    
88     char *progname; /* our program name */
89     char *cfname; /* our control file name */
90    
91     int nowarn = 0; /* turn warnings off? */
92     int silent = 0; /* silent mode? */
93     int noaction = 0; /* take no action? */
94    
95 greg 2.10 char *remsh; /* remote shell program/script */
96 greg 2.1 char rendopt[2048] = ""; /* rendering options */
97     char rresopt[32]; /* rendering resolution options */
98     char fresopt[32]; /* filter resolution options */
99     int pfiltalways; /* always use pfilt? */
100    
101 greg 2.7 char arcargs[10240]; /* files to archive */
102     char *arcfirst, *arcnext; /* pointers to first and next argument */
103    
104 greg 2.2 struct pslot {
105     int pid; /* process ID (0 if empty) */
106     int fout; /* output frame number */
107     int (*rcvf)(); /* recover function */
108     } *pslot; /* process slots */
109     int npslots; /* number of process slots */
110    
111 greg 2.4 #define phostname(ps) ((ps)->hostname[0] ? (ps)->hostname : astat.host)
112    
113 greg 2.2 struct pslot *findpslot();
114    
115 greg 2.18 PSERVER *lastpserver; /* last process server with error */
116    
117 greg 2.1 VIEW *getview();
118     char *getexp();
119    
120 greg 2.12 extern time_t fdate(), time();
121 greg 2.1
122 greg 2.12
123 greg 2.1 main(argc, argv)
124     int argc;
125     char *argv[];
126     {
127     int explicate = 0;
128     int i;
129    
130     progname = argv[0]; /* get arguments */
131     for (i = 1; i < argc && argv[i][0] == '-'; i++)
132     switch (argv[i][1]) {
133     case 'e': /* print variables */
134     explicate++;
135     break;
136     case 'w': /* turn off warnings */
137     nowarn++;
138     break;
139     case 's': /* silent mode */
140     silent++;
141     break;
142     case 'n': /* take no action */
143     noaction++;
144     break;
145     default:
146     goto userr;
147     }
148     if (i != argc-1)
149     goto userr;
150     cfname = argv[i];
151     /* load variables */
152     loadvars(cfname);
153     /* did we get DIRECTORY? */
154     checkdir();
155     /* check status */
156     if (getastat() < 0) {
157     fprintf(stderr, "%s: exiting\n", progname);
158     quit(1);
159     }
160     /* pfilt always if options given */
161     pfiltalways = vdef(PFILT);
162     /* load RIF if any */
163     if (vdef(RIF))
164     getradfile(vval(RIF));
165     /* set defaults */
166     setdefaults();
167     /* print variables */
168     if (explicate)
169     printvars(stdout);
170 greg 2.2 /* set up process servers */
171     sethosts();
172 greg 2.1 /* run animation */
173     animate();
174     /* all done */
175     if (vdef(NEXTANIM)) {
176     argv[i] = vval(NEXTANIM); /* just change input file */
177     if (!silent)
178     printargs(argc, argv, stdout);
179 greg 2.11 if ((argv[0] = getpath(progname,getenv("PATH"),X_OK)) == NULL)
180     fprintf(stderr, "%s: command not found\n", progname);
181     else
182     execv(progname, argv);
183     quit(1);
184 greg 2.1 }
185     quit(0);
186     userr:
187     fprintf(stderr, "Usage: %s [-s][-n][-w][-e] anim_file\n", progname);
188     quit(1);
189     }
190    
191    
192     getastat() /* check/set animation status */
193     {
194 greg 2.12 char sfname[256];
195 greg 2.1 FILE *fp;
196    
197 greg 2.12 sprintf(sfname, "%s/%s", vval(DIRECTORY), SFNAME);
198     if ((fp = fopen(sfname, "r")) == NULL) {
199 greg 2.1 if (errno != ENOENT) {
200 greg 2.12 perror(sfname);
201 greg 2.1 return(-1);
202     }
203     astat.rnext = astat.fnext = astat.tnext = 0;
204     goto setours;
205     }
206     if (fscanf(fp, "Control host: %s\n", astat.host) != 1)
207     goto fmterr;
208     if (fscanf(fp, "Control PID: %d\n", &astat.pid) != 1)
209     goto fmterr;
210     if (fscanf(fp, "Control file: %s\n", astat.cfname) != 1)
211     goto fmterr;
212     if (fscanf(fp, "Next render: %d\n", &astat.rnext) != 1)
213     goto fmterr;
214     if (fscanf(fp, "Next filter: %d\n", &astat.fnext) != 1)
215     goto fmterr;
216     if (fscanf(fp, "Next transfer: %d\n", &astat.tnext) != 1)
217     goto fmterr;
218     fclose(fp);
219     if (astat.pid != 0) { /* thinks it's still running */
220 greg 2.9 if (strcmp(myhostname(), astat.host)) {
221 greg 2.1 fprintf(stderr,
222     "%s: process %d may still be running on host %s\n",
223     progname, astat.pid, astat.host);
224     return(-1);
225     }
226     if (kill(astat.pid, 0) != -1 || errno != ESRCH) {
227     fprintf(stderr, "%s: process %d is still running\n",
228     progname, astat.pid);
229     return(-1);
230     }
231     /* assume it is dead */
232     }
233     if (strcmp(cfname, astat.cfname) && astat.tnext != 0) { /* other's */
234     fprintf(stderr, "%s: unfinished job \"%s\"\n",
235     progname, astat.cfname);
236     return(-1);
237     }
238 greg 2.12 /* check control file mods. */
239     if (!nowarn && fdate(cfname) > fdate(sfname))
240     fprintf(stderr,
241     "%s: warning - control file modified since last run\n",
242     progname);
243 greg 2.1 setours: /* set our values */
244 greg 2.9 strcpy(astat.host, myhostname());
245 greg 2.1 astat.pid = getpid();
246     strcpy(astat.cfname, cfname);
247     return(0);
248     fmterr:
249     fprintf(stderr, "%s: format error in status file \"%s\"\n",
250 greg 2.12 progname, sfname);
251 greg 2.1 fclose(fp);
252     return(-1);
253     }
254    
255    
256     putastat() /* put out current status */
257     {
258     char buf[256];
259     FILE *fp;
260    
261 greg 2.2 if (noaction)
262     return;
263 greg 2.1 sprintf(buf, "%s/%s", vval(DIRECTORY), SFNAME);
264     if ((fp = fopen(buf, "w")) == NULL) {
265     perror(buf);
266     quit(1);
267     }
268     fprintf(fp, "Control host: %s\n", astat.host);
269     fprintf(fp, "Control PID: %d\n", astat.pid);
270     fprintf(fp, "Control file: %s\n", astat.cfname);
271     fprintf(fp, "Next render: %d\n", astat.rnext);
272     fprintf(fp, "Next filter: %d\n", astat.fnext);
273     fprintf(fp, "Next transfer: %d\n", astat.tnext);
274     fclose(fp);
275     }
276    
277    
278     checkdir() /* make sure we have our directory */
279     {
280     struct stat stb;
281    
282     if (!vdef(DIRECTORY)) {
283     fprintf(stderr, "%s: %s undefined\n",
284     progname, vnam(DIRECTORY));
285     quit(1);
286     }
287     if (stat(vval(DIRECTORY), &stb) == -1) {
288     if (errno == ENOENT && mkdir(vval(DIRECTORY), 0777) == 0)
289     return;
290     perror(vval(DIRECTORY));
291     quit(1);
292     }
293     if (!(stb.st_mode & S_IFDIR)) {
294     fprintf(stderr, "%s: not a directory\n", vval(DIRECTORY));
295     quit(1);
296     }
297     }
298    
299    
300     setdefaults() /* set default values */
301     {
302 greg 2.10 extern char *atos();
303 greg 2.1 char buf[256];
304    
305 greg 2.2 if (vdef(ANIMATE)) {
306     vval(OCTREE) = NULL;
307     vdef(OCTREE) = 0;
308     } else if (!vdef(OCTREE)) {
309 greg 2.1 fprintf(stderr, "%s: either %s or %s must be defined\n",
310     progname, vnam(OCTREE), vnam(ANIMATE));
311     quit(1);
312     }
313     if (!vdef(VIEWFILE)) {
314     fprintf(stderr, "%s: %s undefined\n", progname, vnam(VIEWFILE));
315     quit(1);
316     }
317 greg 2.2 if (!vdef(HOST)) {
318     vval(HOST) = LHOSTNAME;
319     vdef(HOST)++;
320     }
321 greg 2.1 if (!vdef(START)) {
322     vval(START) = "1";
323     vdef(START)++;
324     }
325     if (!vdef(END)) {
326 greg 2.5 sprintf(buf, "%d", countviews()+vint(START)-1);
327 greg 2.1 vval(END) = savqstr(buf);
328     vdef(END)++;
329     }
330 greg 2.5 if (vint(END) < vint(START)) {
331     fprintf(stderr, "%s: ending frame less than starting frame\n",
332     progname);
333     quit(1);
334     }
335 greg 2.1 if (!vdef(BASENAME)) {
336     sprintf(buf, "%s/frame%%03d", vval(DIRECTORY));
337     vval(BASENAME) = savqstr(buf);
338     vdef(BASENAME)++;
339     }
340     if (!vdef(RESOLUTION)) {
341     vval(RESOLUTION) = "640";
342     vdef(RESOLUTION)++;
343     }
344     if (!vdef(OVERSAMP)) {
345     vval(OVERSAMP) = "2";
346     vdef(OVERSAMP)++;
347     }
348     if (!vdef(INTERP)) {
349     vval(INTERP) = "0";
350     vdef(INTERP)++;
351     }
352     if (!vdef(MBLUR)) {
353     vval(MBLUR) = "0";
354     vdef(MBLUR)++;
355     }
356     if (!vdef(RTRACE)) {
357     vval(RTRACE) = "F";
358     vdef(RTRACE)++;
359     }
360     if (!vdef(DISKSPACE)) {
361     if (!nowarn)
362     fprintf(stderr,
363     "%s: warning - no %s setting, assuming 100 Mbytes available\n",
364     progname, vnam(DISKSPACE));
365     vval(DISKSPACE) = "100";
366     vdef(DISKSPACE)++;
367     }
368 greg 2.10 if (!vdef(RSH)) {
369     vval(RSH) = REMSH;
370     vdef(RSH)++;
371     }
372     /* locate remote shell program */
373     atos(buf, sizeof(buf), vval(RSH));
374     if ((remsh = getpath(buf, getenv("PATH"), X_OK)) != NULL)
375     remsh = savqstr(remsh);
376     else
377     remsh = vval(RSH); /* will generate error if used */
378    
379 greg 2.1 /* append rendering options */
380     if (vdef(RENDER))
381     sprintf(rendopt+strlen(rendopt), " %s", vval(RENDER));
382     }
383    
384    
385 greg 2.2 sethosts() /* set up process servers */
386     {
387     extern char *iskip();
388     char buf[256], *dir, *uname;
389     int np;
390     register char *cp;
391     int i;
392    
393     npslots = 0;
394     if (noaction)
395     return;
396     for (i = 0; i < vdef(HOST); i++) { /* add each host */
397     dir = uname = NULL;
398     np = 1;
399     strcpy(cp=buf, nvalue(HOST, i)); /* copy to buffer */
400     cp = sskip(cp); /* skip host name */
401     while (isspace(*cp))
402     *cp++ = '\0';
403     if (*cp) { /* has # processes? */
404     np = atoi(cp);
405     if ((cp = iskip(cp)) == NULL || (*cp && !isspace(*cp)))
406     badvalue(HOST);
407     while (isspace(*cp))
408     cp++;
409     if (*cp) { /* has directory? */
410     dir = cp;
411     cp = sskip(cp); /* skip dir. */
412     while (isspace(*cp))
413     *cp++ = '\0';
414     if (*cp) { /* has user? */
415     uname = cp;
416     if (*sskip(cp))
417     badvalue(HOST);
418     }
419     }
420     }
421     if (addpserver(buf, dir, uname, np) == NULL) {
422     if (!nowarn)
423     fprintf(stderr,
424     "%s: cannot execute on host \"%s\"\n",
425     progname, buf);
426     } else
427     npslots += np;
428     }
429     if (npslots == 0) {
430     fprintf(stderr, "%s: no working process servers\n", progname);
431     quit(1);
432     }
433     pslot = (struct pslot *)calloc(npslots, sizeof(struct pslot));
434     if (pslot == NULL) {
435     perror("malloc");
436     quit(1);
437     }
438     }
439    
440    
441 greg 2.7 getradfile(rfargs) /* run rad and get needed variables */
442     char *rfargs;
443 greg 2.1 {
444     static short mvar[] = {OCTREE,PFILT,RESOLUTION,EXPOSURE,-1};
445     char combuf[256];
446     register int i;
447     register char *cp;
448     /* create rad command */
449     sprintf(rendopt, " @%s/render.opt", vval(DIRECTORY));
450     sprintf(combuf,
451     "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
452 greg 2.7 rfargs, rendopt+2);
453 greg 2.1 cp = combuf;
454     while (*cp) cp++; /* match unset variables */
455     for (i = 0; mvar[i] >= 0; i++)
456     if (!vdef(mvar[i])) {
457     *cp++ = '|';
458     strcpy(cp, vnam(mvar[i]));
459     while (*cp) cp++;
460     }
461     sprintf(cp, ")[ \t]*=' > %s/radset.var", vval(DIRECTORY));
462     cp += 11; /* point to file name */
463     if (system(combuf)) {
464 greg 2.7 fprintf(stderr, "%s: error executing rad command:\n\t%s\n",
465     progname, combuf);
466 greg 2.1 quit(1);
467     }
468     loadvars(cp); /* load variables and remove file */
469     unlink(cp);
470     }
471    
472    
473     animate() /* run animation */
474     {
475     int xres, yres;
476     float pa, mult;
477     int frames_batch;
478     register int i;
479     double d1, d2;
480     /* compute rpict resolution */
481     i = sscanf(vval(RESOLUTION), "%d %d %f", &xres, &yres, &pa);
482     mult = vflt(OVERSAMP);
483     if (i == 3) {
484 greg 2.16 sprintf(rresopt, "-x %d -y %d -pa %.3f", (int)(mult*xres),
485 greg 2.1 (int)(mult*yres), pa);
486 greg 2.16 sprintf(fresopt, "-x %d -y %d -pa %.3f", xres, yres, pa);
487 greg 2.1 } else if (i) {
488     if (i == 1) yres = xres;
489     sprintf(rresopt, "-x %d -y %d", (int)(mult*xres),
490     (int)(mult*yres));
491     sprintf(fresopt, "-x %d -y %d -pa 1", xres, yres);
492     } else
493     badvalue(RESOLUTION);
494     /* consistency checks */
495     if (vdef(ANIMATE)) {
496     if (vint(INTERP)) {
497     if (!nowarn)
498     fprintf(stderr,
499     "%s: resetting %s=0 for animation\n",
500     progname, vnam(INTERP));
501     vval(INTERP) = "0";
502     }
503     if (atoi(vval(MBLUR))) { /* can't handle this yet */
504     if (!nowarn)
505     fprintf(stderr,
506     "%s: resetting %s=0 for animation\n",
507     progname, vnam(MBLUR));
508     vval(MBLUR) = "0";
509     }
510     }
511     /* figure # frames per batch */
512     d1 = mult*xres*mult*yres*4; /* space for orig. picture */
513     if ((i=vint(INTERP)) || atoi(vval(MBLUR)))
514 greg 2.13 d1 += mult*xres*mult*yres*sizeof(float); /* Z-buffer */
515 greg 2.1 d2 = xres*yres*4; /* space for final picture */
516     frames_batch = (i+1)*(vflt(DISKSPACE)*1048576.-d1)/(d1+i*d2);
517     if (frames_batch < i+2) {
518     fprintf(stderr, "%s: insufficient disk space allocated\n",
519     progname);
520     quit(1);
521     }
522 greg 2.7 /* initialize archive argument list */
523     i = 16;
524     if (vdef(ARCHIVE) && strlen(vval(ARCHIVE)) > i)
525     i = strlen(vval(ARCHIVE));
526     arcnext = arcfirst = arcargs + i;
527 greg 2.1 /* initialize status file */
528     if (astat.rnext == 0)
529     astat.rnext = astat.fnext = astat.tnext = vint(START);
530     putastat();
531     /* render in batches */
532 greg 2.2 while (astat.tnext <= vint(END)) {
533 greg 2.1 renderframes(frames_batch);
534     filterframes();
535     transferframes();
536     }
537     /* mark status as finished */
538     astat.pid = 0;
539     putastat();
540     /* close open files */
541     getview(0);
542     getexp(0);
543     }
544    
545    
546     renderframes(nframes) /* render next nframes frames */
547     int nframes;
548     {
549     static char vendbuf[16];
550     VIEW *vp;
551     FILE *fp = NULL;
552     char vfname[128];
553     int lastframe;
554     register int i;
555    
556     if (astat.tnext < astat.rnext) /* other work to do first */
557     return;
558     /* create batch view file */
559     if (!vdef(ANIMATE)) {
560     sprintf(vfname, "%s/anim.vf", vval(DIRECTORY));
561     if ((fp = fopen(vfname, "w")) == NULL) {
562     perror(vfname);
563     quit(1);
564     }
565     }
566     /* bound batch properly */
567     lastframe = astat.rnext + nframes - 1;
568     if ((lastframe-1) % (vint(INTERP)+1)) /* need even interval */
569     lastframe += vint(INTERP)+1 - ((lastframe-1)%(vint(INTERP)+1));
570     if (lastframe > vint(END)) /* check for end */
571     lastframe = vint(END);
572     /* render each view */
573     for (i = astat.rnext; i <= lastframe; i++) {
574     if ((vp = getview(i)) == NULL) {
575     if (!nowarn)
576     fprintf(stderr,
577     "%s: ran out of views before last frame\n",
578     progname);
579     sprintf(vval(END)=vendbuf, "%d", i-1);
580     lastframe = i - 1;
581     break;
582     }
583     if (vdef(ANIMATE)) /* animate frame */
584     animrend(i, vp);
585     else { /* else record it */
586     fputs(VIEWSTR, fp);
587     fprintview(vp, fp);
588     putc('\n', fp);
589     }
590     }
591     if (vdef(ANIMATE)) /* wait for renderings to finish */
592 greg 2.2 bwait(0);
593 greg 2.1 else { /* else if walk-through */
594     fclose(fp); /* close view file */
595     walkwait(astat.rnext, lastframe, vfname); /* walk it */
596     unlink(vfname); /* remove view file */
597     }
598     astat.rnext = i; /* update status */
599     putastat();
600     }
601    
602    
603     filterframes() /* catch up with filtering */
604     {
605     VIEW *vp;
606     register int i;
607    
608     if (astat.tnext < astat.fnext) /* other work to do first */
609     return;
610     /* filter each view */
611     for (i = astat.fnext; i < astat.rnext; i++) {
612     if ((vp = getview(i)) == NULL) { /* get view i */
613     fprintf(stderr,
614     "%s: unexpected error reading view for frame %d\n",
615     progname, i);
616     quit(1);
617     }
618 greg 2.2 dofilt(i, vp, getexp(i), 0); /* filter frame */
619 greg 2.1 }
620 greg 2.2 bwait(0); /* wait for filter processes */
621 greg 2.7 archive(); /* archive originals */
622 greg 2.1 astat.fnext = i; /* update status */
623     putastat();
624     }
625    
626    
627     transferframes() /* catch up with picture transfers */
628     {
629     char combuf[10240];
630     register char *cp;
631     register int i;
632    
633     if (astat.tnext >= astat.fnext) /* nothing to do, yet */
634     return;
635     if (!vdef(TRANSFER)) { /* no transfer function -- leave 'em */
636     astat.tnext = astat.fnext;
637     putastat(); /* update status */
638     return;
639     }
640     strcpy(combuf, vval(TRANSFER)); /* start transfer command */
641     cp = combuf + strlen(combuf);
642     /* make argument list */
643     for (i = astat.tnext; i < astat.fnext; i++) {
644     *cp++ = ' ';
645     sprintf(cp, vval(BASENAME), i);
646     while (*cp) cp++;
647     strcpy(cp, ".pic");
648     cp += 4;
649     }
650     if (runcom(combuf)) { /* transfer frames */
651     fprintf(stderr, "%s: error running transfer command\n",
652     progname);
653     quit(1);
654     }
655     astat.tnext = i; /* update status */
656     putastat();
657     }
658    
659    
660     animrend(frame, vp) /* start animation frame */
661     int frame;
662     VIEW *vp;
663     {
664 greg 2.2 extern int recover();
665 greg 2.1 char combuf[2048];
666     char fname[128];
667    
668     sprintf(fname, vval(BASENAME), frame);
669     strcat(fname, ".unf");
670     if (access(fname, F_OK) == 0)
671     return;
672 greg 2.2 sprintf(combuf, "%s %d | rpict%s%s -w0 %s > %s", vval(ANIMATE), frame,
673 greg 2.1 rendopt, viewopt(vp), rresopt, fname);
674 greg 2.2 bruncom(combuf, frame, recover); /* run in background */
675 greg 2.1 }
676    
677    
678     walkwait(first, last, vfn) /* walk-through frames */
679     int first, last;
680     char *vfn;
681     {
682     char combuf[2048];
683 greg 2.4 char *inspoint;
684 greg 2.1 register int i;
685    
686     if (!noaction && vint(INTERP)) /* create dummy frames */
687     for (i = first; i <= last; i++)
688     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
689     sprintf(combuf, vval(BASENAME), i);
690     strcat(combuf, ".unf");
691     close(open(combuf, O_RDONLY|O_CREAT, 0666));
692     }
693     /* create command */
694 greg 2.4 sprintf(combuf, "rpict%s -w0", rendopt);
695 greg 2.1 if (vint(INTERP) || atoi(vval(MBLUR)))
696 greg 2.4 sprintf(combuf+strlen(combuf), " -z %s.zbf", vval(BASENAME));
697     sprintf(combuf+strlen(combuf), " -o %s.unf %s -S %d",
698     vval(BASENAME), rresopt, first);
699     inspoint = combuf + strlen(combuf);
700     sprintf(inspoint, " %s < %s", vval(OCTREE), vfn);
701 greg 2.2 /* run in parallel */
702 greg 2.7 i = (last-first+1)/(vint(INTERP)+1);
703     if (i < 1) i = 1;
704     if (pruncom(combuf, inspoint, i)) {
705 greg 2.2 fprintf(stderr, "%s: error rendering frames %d through %d\n",
706 greg 2.1 progname, first, last);
707     quit(1);
708     }
709     if (!noaction && vint(INTERP)) /* remove dummy frames */
710     for (i = first; i <= last; i++)
711     if (i < vint(END) && (i-1) % (vint(INTERP)+1)) {
712     sprintf(combuf, vval(BASENAME), i);
713     strcat(combuf, ".unf");
714     unlink(combuf);
715     }
716     }
717    
718    
719 greg 2.2 int
720 greg 2.1 recover(frame) /* recover the specified frame */
721     int frame;
722     {
723 greg 2.2 static int *rfrm; /* list of recovered frames */
724     static int nrfrms = 0;
725 greg 2.1 char combuf[2048];
726     char fname[128];
727     register char *cp;
728 greg 2.2 register int i;
729     /* check to see if recovered already */
730     for (i = nrfrms; i--; )
731     if (rfrm[i] == frame)
732     return(0);
733     /* build command */
734 greg 2.1 sprintf(fname, vval(BASENAME), frame);
735     if (vdef(ANIMATE))
736 greg 2.2 sprintf(combuf, "%s %d | rpict%s -w0",
737 greg 2.1 vval(ANIMATE), frame, rendopt);
738     else
739 greg 2.2 sprintf(combuf, "rpict%s -w0", rendopt);
740 greg 2.1 cp = combuf + strlen(combuf);
741     if (vint(INTERP) || atoi(vval(MBLUR))) {
742     sprintf(cp, " -z %s.zbf", fname);
743     while (*cp) cp++;
744     }
745     sprintf(cp, " -ro %s.unf", fname);
746     while (*cp) cp++;
747     if (!vdef(ANIMATE)) {
748     *cp++ = ' ';
749     strcpy(cp, vval(OCTREE));
750     }
751 greg 2.2 if (runcom(combuf)) /* run command */
752     return(1);
753     /* add frame to recovered list */
754     if (nrfrms)
755     rfrm = (int *)realloc((char *)rfrm, (nrfrms+1)*sizeof(int));
756     else
757     rfrm = (int *)malloc(sizeof(int));
758     if (rfrm == NULL) {
759     perror("malloc");
760 greg 2.1 quit(1);
761     }
762 greg 2.2 rfrm[nrfrms++] = frame;
763     return(0);
764 greg 2.1 }
765    
766    
767 greg 2.2 int
768     frecover(frame) /* recover filtered frame */
769     int frame;
770     {
771     VIEW *vp;
772     char *ex;
773    
774     vp = getview(frame);
775     ex = getexp(frame);
776     if (dofilt(frame, vp, ex, 2) && dofilt(frame, vp, ex, 1))
777     return(1);
778     return(0);
779     }
780    
781    
782 greg 2.7 archive() /* archive and remove renderings */
783 greg 2.1 {
784 greg 2.2 #define RMCOML (sizeof(rmcom)-1)
785     static char rmcom[] = "rm -f";
786 greg 2.1 register int i;
787    
788 greg 2.7 if (arcnext == arcfirst)
789     return; /* nothing to do */
790 greg 2.2 if (vdef(ARCHIVE)) { /* run archive command */
791     i = strlen(vval(ARCHIVE));
792 greg 2.7 strncpy(arcfirst-i, vval(ARCHIVE), i);
793     if (runcom(arcfirst-i)) {
794     fprintf(stderr, "%s: error running archive command\n",
795     progname);
796 greg 2.2 quit(1);
797     }
798 greg 2.1 }
799 greg 2.2 /* run remove command */
800 greg 2.7 strncpy(arcfirst-RMCOML, rmcom, RMCOML);
801     runcom(arcfirst-RMCOML);
802     arcnext = arcfirst; /* reset argument list */
803 greg 2.2 #undef RMCOML
804 greg 2.1 }
805    
806    
807 greg 2.2 int
808     dofilt(frame, vp, ep, rvr) /* filter frame */
809 greg 2.1 int frame;
810     VIEW *vp;
811     char *ep;
812 greg 2.2 int rvr;
813 greg 2.1 {
814 greg 2.2 extern int frecover();
815 greg 2.6 static int iter = 0;
816 greg 2.1 char fnbefore[128], fnafter[128];
817 greg 2.6 char combuf[1024], fname0[128], fname1[128];
818 greg 2.7 int usepinterp, usepfilt, nora_rgbe;
819 greg 2.2 int frseq[2];
820 greg 2.1 /* check what is needed */
821     usepinterp = atoi(vval(MBLUR));
822     usepfilt = pfiltalways | ep==NULL;
823 greg 2.7 if (ep != NULL && !strcmp(ep, "1"))
824     ep = "+0";
825     nora_rgbe = strcmp(vval(OVERSAMP),"1") || ep==NULL ||
826     *ep != '+' || *ep != '-' || !isint(ep);
827 greg 2.1 /* compute rendered views */
828 greg 2.2 frseq[0] = frame - ((frame-1) % (vint(INTERP)+1));
829     frseq[1] = frseq[0] + vint(INTERP) + 1;
830     if (frseq[1] > vint(END))
831     frseq[1] = vint(END);
832     if (frseq[1] == frame) { /* pfilt only */
833     frseq[0] = frseq[1];
834 greg 2.1 usepinterp = 0; /* update what's needed */
835 greg 2.7 usepfilt |= nora_rgbe;
836     } else if (frseq[0] == frame) { /* no interpolation needed */
837     if (!rvr && frame > 1+vint(INTERP)) { /* archive previous */
838     *arcnext++ = ' ';
839     sprintf(arcnext, vval(BASENAME), frame-vint(INTERP)-1);
840     while (*arcnext) arcnext++;
841     strcpy(arcnext, ".unf");
842     arcnext += 4;
843 greg 2.13 if (usepinterp || vint(INTERP)) { /* and Z-buf */
844 greg 2.7 *arcnext++ = ' ';
845     sprintf(arcnext, vval(BASENAME),
846     frame-vint(INTERP)-1);
847     while (*arcnext) arcnext++;
848     strcpy(arcnext, ".zbf");
849     arcnext += 4;
850     }
851     }
852     if (!usepinterp) /* update what's needed */
853     usepfilt |= nora_rgbe;
854 greg 2.2 } else /* interpolation needed */
855 greg 2.1 usepinterp++;
856 greg 2.2 if (frseq[1] >= astat.rnext) /* next batch unavailable */
857     frseq[1] = frseq[0];
858     sprintf(fnbefore, vval(BASENAME), frseq[0]);
859     sprintf(fnafter, vval(BASENAME), frseq[1]);
860     if (rvr == 1 && recover(frseq[0])) /* recover before frame? */
861     return(1);
862     /* generate command */
863 greg 2.1 if (usepinterp) { /* using pinterp */
864 greg 2.2 if (rvr == 2 && recover(frseq[1])) /* recover after? */
865     return(1);
866 greg 2.1 if (atoi(vval(MBLUR))) {
867     FILE *fp; /* motion blurring */
868 greg 2.6 sprintf(fname0, "%s/vw0%c", vval(DIRECTORY),
869     'a'+(iter%26));
870     if ((fp = fopen(fname0, "w")) == NULL) {
871     perror(fname0); quit(1);
872 greg 2.1 }
873     fputs(VIEWSTR, fp);
874     fprintview(vp, fp);
875     putc('\n', fp); fclose(fp);
876     if ((vp = getview(frame+1)) == NULL) {
877     fprintf(stderr,
878     "%s: unexpected error reading view for frame %d\n",
879     progname, frame+1);
880     quit(1);
881     }
882 greg 2.6 sprintf(fname1, "%s/vw1%c", vval(DIRECTORY),
883     'a'+(iter%26));
884     if ((fp = fopen(fname1, "w")) == NULL) {
885     perror(fname1); quit(1);
886 greg 2.1 }
887     fputs(VIEWSTR, fp);
888     fprintview(vp, fp);
889     putc('\n', fp); fclose(fp);
890     sprintf(combuf,
891 greg 2.6 "(pmblur %s %d %s %s; rm -f %s %s) | pinterp -B",
892 greg 2.2 *sskip(vval(MBLUR)) ? sskip2(vval(MBLUR),1) : "1",
893 greg 2.6 atoi(vval(MBLUR)),
894     fname0, fname1, fname0, fname1);
895     iter++;
896 greg 2.1 } else /* no blurring */
897     strcpy(combuf, "pinterp");
898     strcat(combuf, viewopt(vp));
899     if (vbool(RTRACE))
900 greg 2.2 sprintf(combuf+strlen(combuf), " -ff -fr '%s -w0 %s'",
901 greg 2.1 rendopt, vval(OCTREE));
902     if (vdef(PINTERP))
903     sprintf(combuf+strlen(combuf), " %s", vval(PINTERP));
904     if (usepfilt)
905     sprintf(combuf+strlen(combuf), " %s", rresopt);
906     else
907     sprintf(combuf+strlen(combuf), " %s -e %s",
908     fresopt, ep);
909     sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
910     fnbefore, fnbefore);
911 greg 2.2 if (frseq[1] != frseq[0])
912 greg 2.1 sprintf(combuf+strlen(combuf), " %s.unf %s.zbf",
913     fnafter, fnafter);
914     if (usepfilt) { /* also pfilt */
915     if (vdef(PFILT))
916     sprintf(combuf+strlen(combuf), " | pfilt %s",
917     vval(PFILT));
918     else
919     strcat(combuf, " | pfilt");
920     if (ep != NULL)
921     sprintf(combuf+strlen(combuf), " -1 -e %s %s",
922     ep, fresopt);
923     else
924     sprintf(combuf+strlen(combuf), " %s", fresopt);
925     }
926     } else if (usepfilt) { /* pfilt only */
927 greg 2.2 if (rvr == 2)
928     return(1);
929 greg 2.1 if (vdef(PFILT))
930     sprintf(combuf, "pfilt %s", vval(PFILT));
931     else
932     strcpy(combuf, "pfilt");
933     if (ep != NULL)
934     sprintf(combuf+strlen(combuf), " -1 -e %s %s %s.unf",
935     ep, fresopt, fnbefore);
936     else
937     sprintf(combuf+strlen(combuf), " %s %s.unf",
938     fresopt, fnbefore);
939     } else { /* else just check it */
940 greg 2.2 if (rvr == 2)
941     return(1);
942 greg 2.7 sprintf(combuf, "ra_rgbe -e %s -r %s.unf", ep, fnbefore);
943 greg 2.1 }
944     /* output file name */
945 greg 2.6 sprintf(fname0, vval(BASENAME), frame);
946     sprintf(combuf+strlen(combuf), " > %s.pic", fname0);
947 greg 2.2 if (rvr) /* in recovery */
948     return(runcom(combuf));
949     bruncom(combuf, frame, frecover); /* else run in background */
950     return(0);
951 greg 2.1 }
952    
953    
954     VIEW *
955     getview(n) /* get view number n */
956     int n;
957     {
958     static FILE *viewfp = NULL; /* view file pointer */
959     static int viewnum = 0; /* current view number */
960     static VIEW curview = STDVIEW; /* current view */
961     char linebuf[256];
962    
963     if (n == 0) { /* signal to close file and clean up */
964     if (viewfp != NULL) {
965     fclose(viewfp);
966     viewfp = NULL;
967     viewnum = 0;
968     copystruct(&curview, &stdview);
969     }
970     return(NULL);
971     }
972     if (viewfp == NULL) { /* open file */
973     if ((viewfp = fopen(vval(VIEWFILE), "r")) == NULL) {
974     perror(vval(VIEWFILE));
975     quit(1);
976     }
977     } else if (n < viewnum) { /* rewind file */
978 greg 2.8 if (viewnum == 1 && feof(viewfp))
979     return(&curview); /* just one view */
980 greg 2.1 if (fseek(viewfp, 0L, 0) == EOF) {
981     perror(vval(VIEWFILE));
982     quit(1);
983     }
984     copystruct(&curview, &stdview);
985     viewnum = 0;
986     }
987     while (n > viewnum) { /* scan to desired view */
988     if (fgets(linebuf, sizeof(linebuf), viewfp) == NULL)
989 greg 2.15 return(viewnum==1 ? &curview : (VIEW *)NULL);
990 greg 2.1 if (isview(linebuf) && sscanview(&curview, linebuf) > 0)
991     viewnum++;
992     }
993     return(&curview); /* return it */
994     }
995    
996    
997     int
998     countviews() /* count views in view file */
999     {
1000     register int n = 0;
1001    
1002     while (getview(n+1) != NULL)
1003     n++;
1004     return(n);
1005     }
1006    
1007    
1008     char *
1009     getexp(n) /* get exposure for nth frame */
1010     int n;
1011     {
1012     extern char *fskip();
1013     static char expval[32];
1014     static FILE *expfp = NULL;
1015     static long *exppos;
1016     static int curfrm;
1017     register char *cp;
1018    
1019     if (n == 0) { /* signal to close file */
1020     if (expfp != NULL) {
1021     fclose(expfp);
1022 greg 2.14 free((char *)exppos);
1023 greg 2.1 expfp = NULL;
1024     }
1025     return(NULL);
1026 greg 2.14 } else if (n > vint(END)) /* request past end (error?) */
1027     return(NULL);
1028 greg 2.1 if (!vdef(EXPOSURE)) /* no setting (auto) */
1029     return(NULL);
1030     if (isflt(vval(EXPOSURE))) /* always the same */
1031     return(vval(EXPOSURE));
1032     if (expfp == NULL) { /* open exposure file */
1033     if ((expfp = fopen(vval(EXPOSURE), "r")) == NULL) {
1034     fprintf(stderr,
1035     "%s: cannot open exposure file \"%s\"\n",
1036     progname, vval(EXPOSURE));
1037     quit(1);
1038     }
1039     curfrm = vint(END) + 1; /* init lookup tab. */
1040     exppos = (long *)malloc(curfrm*sizeof(long *));
1041     if (exppos == NULL) {
1042     perror(progname);
1043     quit(1);
1044     }
1045     while (curfrm--)
1046     exppos[curfrm] = -1L;
1047     curfrm = 0;
1048     }
1049     /* find position in file */
1050     if (n-1 != curfrm && n != curfrm && exppos[n-1] >= 0 &&
1051     fseek(expfp, exppos[curfrm=n-1], 0) == EOF) {
1052     fprintf(stderr, "%s: seek error on exposure file\n", progname);
1053     quit(1);
1054     }
1055     while (n > curfrm) { /* read exposure */
1056     if (exppos[curfrm] < 0)
1057     exppos[curfrm] = ftell(expfp);
1058     if (fgets(expval, sizeof(expval), expfp) == NULL) {
1059     fprintf(stderr, "%s: too few exposures\n",
1060     vval(EXPOSURE));
1061     quit(1);
1062     }
1063     curfrm++;
1064     cp = fskip(expval); /* check format */
1065 greg 2.14 if (cp != NULL)
1066     while (isspace(*cp))
1067     *cp++ = '\0';
1068     if (cp == NULL || *cp) {
1069 greg 2.1 fprintf(stderr,
1070     "%s: exposure format error on line %d\n",
1071     vval(EXPOSURE), curfrm);
1072     quit(1);
1073     }
1074     }
1075     return(expval); /* return value */
1076     }
1077    
1078    
1079 greg 2.2 struct pslot *
1080     findpslot(pid) /* find or allocate a process slot */
1081     int pid;
1082     {
1083     register struct pslot *psempty = NULL;
1084     register int i;
1085    
1086     for (i = 0; i < npslots; i++) { /* look for match */
1087     if (pslot[i].pid == pid)
1088     return(pslot+i);
1089     if (psempty == NULL && pslot[i].pid == 0)
1090     psempty = pslot+i;
1091     }
1092     return(psempty); /* return emtpy slot (error if NULL) */
1093     }
1094    
1095    
1096     int
1097     donecom(ps, pn, status) /* clean up after finished process */
1098     PSERVER *ps;
1099     int pn;
1100     int status;
1101     {
1102     register PROC *pp;
1103 greg 2.18 register struct pslot *psl;
1104 greg 2.2
1105     pp = ps->proc + pn;
1106 greg 2.3 if (pp->elen) { /* pass errors */
1107 greg 2.2 if (ps->hostname[0])
1108 greg 2.3 fprintf(stderr, "%s: ", ps->hostname);
1109     fprintf(stderr, "Error output from: %s\n", pp->com);
1110 greg 2.2 fputs(pp->errs, stderr);
1111     fflush(stderr);
1112     if (ps->hostname[0])
1113     status = 1; /* because rsh doesn't return status */
1114     }
1115 greg 2.18 lastpserver = NULL;
1116     psl = findpslot(pp->pid); /* check for bruncom() slot */
1117     if (psl->pid) {
1118     if (status) {
1119     if (psl->rcvf != NULL) /* attempt recovery */
1120     status = (*psl->rcvf)(psl->fout);
1121     if (status) {
1122     fprintf(stderr,
1123     "%s: error rendering frame %d\n",
1124     progname, psl->fout);
1125     quit(1);
1126     }
1127     lastpserver = ps;
1128     }
1129     psl->pid = 0; /* free process slot */
1130     } else if (status)
1131     lastpserver = ps;
1132 greg 2.2 freestr(pp->com); /* free command string */
1133     return(status);
1134     }
1135    
1136    
1137     int
1138     serverdown() /* check status of last process server */
1139     {
1140 greg 2.18 if (lastpserver == NULL || !lastpserver->hostname[0])
1141     return(0);
1142 greg 2.2 if (pserverOK(lastpserver)) /* server still up? */
1143     return(0);
1144     delpserver(lastpserver); /* else delete it */
1145     if (pslist == NULL) {
1146     fprintf(stderr, "%s: all process servers are down\n",
1147     progname);
1148     quit(1);
1149     }
1150     return(1);
1151     }
1152    
1153    
1154     int
1155     bruncom(com, fout, rf) /* run a command in the background */
1156     char *com;
1157     int fout;
1158     int (*rf)();
1159     {
1160     int pid;
1161     register struct pslot *psl;
1162    
1163 greg 2.5 if (noaction) {
1164     if (!silent)
1165     printf("\t%s\n", com); /* echo command */
1166 greg 2.2 return(0);
1167 greg 2.5 }
1168 greg 2.18 com = savestr(com); /* else start it when we can */
1169     while ((pid = startjob(NULL, com, donecom)) == -1)
1170 greg 2.2 bwait(1);
1171 greg 2.5 if (!silent) { /* echo command */
1172 greg 2.3 PSERVER *ps;
1173     int psn = pid;
1174 greg 2.4 ps = findjob(&psn);
1175 greg 2.5 printf("\t%s\n", com);
1176 greg 2.4 printf("\tProcess started on %s\n", phostname(ps));
1177 greg 2.3 fflush(stdout);
1178     }
1179 greg 2.2 psl = findpslot(pid); /* record info. in appropriate slot */
1180     psl->pid = pid;
1181     psl->fout = fout;
1182     psl->rcvf = rf;
1183     return(pid);
1184     }
1185    
1186    
1187     bwait(ncoms) /* wait for batch job(s) to finish */
1188     int ncoms;
1189     {
1190     int status;
1191    
1192     if (noaction)
1193     return;
1194     while ((status = wait4job(NULL, -1)) != -1) {
1195 greg 2.18 serverdown(); /* update server status */
1196     if (--ncoms == 0)
1197     break; /* done enough */
1198 greg 2.2 }
1199     }
1200    
1201    
1202     int
1203 greg 2.4 pruncom(com, ppins, maxcopies) /* run a command in parallel over network */
1204     char *com, *ppins;
1205 greg 2.2 int maxcopies;
1206     {
1207     int retstatus = 0;
1208 greg 2.3 int hostcopies;
1209 greg 2.18 char buf[10240], *com1, *s;
1210 greg 2.2 int status;
1211 greg 2.17 int pfd;
1212     register int n;
1213 greg 2.2 register PSERVER *ps;
1214    
1215 greg 2.3 if (!silent)
1216 greg 2.6 printf("\t%s\n", com); /* echo command */
1217 greg 2.3 if (noaction)
1218 greg 2.2 return(0);
1219 greg 2.3 fflush(stdout);
1220 greg 2.2 /* start jobs on each server */
1221 greg 2.3 for (ps = pslist; ps != NULL; ps = ps->next) {
1222     hostcopies = 0;
1223 greg 2.4 if (maxcopies > 1 && ps->nprocs > 1 && ppins != NULL) {
1224 greg 2.17 strcpy(com1=buf, com); /* build -PP command */
1225 greg 2.4 sprintf(com1+(ppins-com), " -PP %s/%s.persist",
1226     vval(DIRECTORY), phostname(ps));
1227     strcat(com1, ppins);
1228 greg 2.17 } else
1229 greg 2.4 com1 = com;
1230 greg 2.18 while (maxcopies > 0) {
1231     s = savestr(com1);
1232     if (startjob(ps, s, donecom) != -1) {
1233     sleep(20);
1234     hostcopies++;
1235     maxcopies--;
1236     } else {
1237     freestr(s);
1238     break;
1239     }
1240 greg 2.2 }
1241 greg 2.3 if (!silent && hostcopies) {
1242     if (hostcopies > 1)
1243     printf("\t%d duplicate processes", hostcopies);
1244     else
1245     printf("\tProcess");
1246 greg 2.4 printf(" started on %s\n", phostname(ps));
1247 greg 2.3 fflush(stdout);
1248     }
1249     }
1250 greg 2.2 /* wait for jobs to finish */
1251     while ((status = wait4job(NULL, -1)) != -1)
1252 greg 2.18 retstatus += status && !serverdown();
1253 greg 2.17 /* terminate parallel rpict's */
1254 greg 2.18 for (ps = pslist; ps != NULL; ps = ps->next) {
1255     sprintf(buf, "%s/%s.persist", vval(DIRECTORY), phostname(ps));
1256 greg 2.17 if ((pfd = open(buf, O_RDONLY)) >= 0) {
1257     n = read(pfd, buf, sizeof(buf)-1); /* get PID */
1258     buf[n] = '\0';
1259     close(pfd);
1260     for (n = 0; buf[n] && !isspace(buf[n]); n++)
1261     ;
1262     /* terminate */
1263     sprintf(buf, "kill -ALRM %d", atoi(buf+n));
1264 greg 2.18 wait4job(ps, startjob(ps, buf, NULL));
1265 greg 2.17 }
1266     }
1267 greg 2.2 return(retstatus);
1268     }
1269    
1270    
1271     runcom(cs) /* run a command locally and wait for it */
1272 greg 2.1 char *cs;
1273     {
1274     if (!silent) /* echo it */
1275     printf("\t%s\n", cs);
1276     if (noaction)
1277     return(0);
1278     fflush(stdout); /* flush output and pass to shell */
1279     return(system(cs));
1280     }
1281    
1282    
1283     rmfile(fn) /* remove a file */
1284     char *fn;
1285     {
1286     if (!silent)
1287     #ifdef MSDOS
1288     printf("\tdel %s\n", fn);
1289     #else
1290     printf("\trm -f %s\n", fn);
1291     #endif
1292     if (noaction)
1293     return(0);
1294     return(unlink(fn));
1295     }
1296    
1297    
1298     badvalue(vc) /* report bad variable value and exit */
1299     int vc;
1300     {
1301     fprintf(stderr, "%s: bad value for variable '%s'\n",
1302     progname, vnam(vc));
1303     quit(1);
1304     }