1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: rc2.c,v 2.1 2012/06/09 07:16:47 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* Accumulate ray contributions for a set of materials |
6 |
* File i/o and recovery |
7 |
*/ |
8 |
|
9 |
#include "rcontrib.h" |
10 |
#include "resolu.h" |
11 |
#include "platform.h" |
12 |
|
13 |
#define OF_MODIFIER 01 |
14 |
#define OF_BIN 02 |
15 |
|
16 |
/************************** STREAM & FILE I/O ***************************/ |
17 |
|
18 |
/* Construct output file name and return flags whether modifier/bin present */ |
19 |
static int |
20 |
ofname(char *oname, const char *ospec, const char *mname, int bn) |
21 |
{ |
22 |
const char *mnp = NULL; |
23 |
const char *bnp = NULL; |
24 |
const char *cp; |
25 |
|
26 |
if (ospec == NULL) |
27 |
return(-1); |
28 |
for (cp = ospec; *cp; cp++) /* check format position(s) */ |
29 |
if (*cp == '%') { |
30 |
do |
31 |
++cp; |
32 |
while (isdigit(*cp)); |
33 |
switch (*cp) { |
34 |
case '%': |
35 |
break; |
36 |
case 's': |
37 |
if (mnp != NULL) |
38 |
return(-1); |
39 |
mnp = cp; |
40 |
break; |
41 |
case 'd': |
42 |
case 'i': |
43 |
case 'o': |
44 |
case 'x': |
45 |
case 'X': |
46 |
if (bnp != NULL) |
47 |
return(-1); |
48 |
bnp = cp; |
49 |
break; |
50 |
default: |
51 |
return(-1); |
52 |
} |
53 |
} |
54 |
if (mnp != NULL) { /* create file name */ |
55 |
if (bnp != NULL) { |
56 |
if (bnp > mnp) |
57 |
sprintf(oname, ospec, mname, bn); |
58 |
else |
59 |
sprintf(oname, ospec, bn, mname); |
60 |
return(OF_MODIFIER|OF_BIN); |
61 |
} |
62 |
sprintf(oname, ospec, mname); |
63 |
return(OF_MODIFIER); |
64 |
} |
65 |
if (bnp != NULL) { |
66 |
sprintf(oname, ospec, bn); |
67 |
return(OF_BIN); |
68 |
} |
69 |
strcpy(oname, ospec); |
70 |
return(0); |
71 |
} |
72 |
|
73 |
|
74 |
/* Write header to the given output stream */ |
75 |
static void |
76 |
printheader(FILE *fout, const char *info) |
77 |
{ |
78 |
extern char VersionID[]; |
79 |
/* copy octree header */ |
80 |
if (octname[0] == '!') { |
81 |
newheader("RADIANCE", fout); |
82 |
fputs(octname+1, fout); |
83 |
if (octname[strlen(octname)-1] != '\n') |
84 |
fputc('\n', fout); |
85 |
} else { |
86 |
FILE *fin = fopen(octname, (outfmt=='a') ? "r" : "rb"); |
87 |
if (fin == NULL) |
88 |
quit(1); |
89 |
checkheader(fin, OCTFMT, fout); |
90 |
fclose(fin); |
91 |
} |
92 |
printargs(gargc-1, gargv, fout); /* add our command */ |
93 |
fprintf(fout, "SOFTWARE= %s\n", VersionID); |
94 |
fputnow(fout); |
95 |
if (info != NULL) /* add extra info if given */ |
96 |
fputs(info, fout); |
97 |
fputformat(formstr(outfmt), fout); |
98 |
fputc('\n', fout); /* empty line ends header */ |
99 |
} |
100 |
|
101 |
|
102 |
/* Write resolution string to given output stream */ |
103 |
static void |
104 |
printresolu(FILE *fout, int xr, int yr) |
105 |
{ |
106 |
if ((xr > 0) & (yr > 0)) /* resolution string */ |
107 |
fprtresolu(xr, yr, fout); |
108 |
} |
109 |
|
110 |
|
111 |
/* Get output stream pointer (open and write header if new and noopen==0) */ |
112 |
STREAMOUT * |
113 |
getostream(const char *ospec, const char *mname, int bn, int noopen) |
114 |
{ |
115 |
/* static const DCOLOR nocontrib = BLKCOLOR; */ |
116 |
static STREAMOUT stdos; |
117 |
int ofl; |
118 |
char oname[1024]; |
119 |
LUENT *lep; |
120 |
STREAMOUT *sop; |
121 |
|
122 |
if (ospec == NULL) { /* use stdout? */ |
123 |
if (!noopen && !using_stdout) { |
124 |
if (outfmt != 'a') |
125 |
SET_FILE_BINARY(stdout); |
126 |
if (header) |
127 |
printheader(stdout, NULL); |
128 |
printresolu(stdout, xres, yres); |
129 |
if (waitflush > 0) |
130 |
fflush(stdout); |
131 |
stdos.xr = xres; stdos.yr = yres; |
132 |
#ifdef getc_unlocked |
133 |
flockfile(stdout); /* avoid lock/unlock overhead */ |
134 |
#endif |
135 |
using_stdout = 1; |
136 |
} |
137 |
stdos.ofp = stdout; |
138 |
stdos.reclen += noopen; |
139 |
return(&stdos); |
140 |
} |
141 |
ofl = ofname(oname, ospec, mname, bn); /* get output name */ |
142 |
if (ofl < 0) { |
143 |
sprintf(errmsg, "bad output format '%s'", ospec); |
144 |
error(USER, errmsg); |
145 |
} |
146 |
lep = lu_find(&ofiletab, oname); /* look it up */ |
147 |
if (lep->key == NULL) /* new entry */ |
148 |
lep->key = strcpy((char *)malloc(strlen(oname)+1), oname); |
149 |
sop = (STREAMOUT *)lep->data; |
150 |
if (sop == NULL) { /* allocate stream */ |
151 |
sop = (STREAMOUT *)malloc(sizeof(STREAMOUT)); |
152 |
if (sop == NULL) |
153 |
error(SYSTEM, "out of memory in getostream"); |
154 |
sop->outpipe = oname[0] == '!'; |
155 |
sop->reclen = 0; |
156 |
sop->ofp = NULL; /* open iff noopen==0 */ |
157 |
sop->xr = xres; sop->yr = yres; |
158 |
lep->data = (char *)sop; |
159 |
if (!sop->outpipe & !force_open & !recover && |
160 |
access(oname, F_OK) == 0) { |
161 |
errno = EEXIST; /* file exists */ |
162 |
goto openerr; |
163 |
} |
164 |
} |
165 |
if (!noopen && sop->ofp == NULL) { /* open output stream */ |
166 |
long i; |
167 |
if (oname[0] == '!') /* output to command */ |
168 |
sop->ofp = popen(oname+1, "w"); |
169 |
else /* else open file */ |
170 |
sop->ofp = fopen(oname, "w"); |
171 |
if (sop->ofp == NULL) |
172 |
goto openerr; |
173 |
if (outfmt != 'a') |
174 |
SET_FILE_BINARY(sop->ofp); |
175 |
#ifdef getc_unlocked |
176 |
flockfile(sop->ofp); /* avoid lock/unlock overhead */ |
177 |
#endif |
178 |
if (header) { |
179 |
char info[512]; |
180 |
char *cp = info; |
181 |
if (ofl & OF_MODIFIER || sop->reclen == 1) { |
182 |
sprintf(cp, "MODIFIER=%s\n", mname); |
183 |
while (*cp) ++cp; |
184 |
} |
185 |
if (ofl & OF_BIN) { |
186 |
sprintf(cp, "BIN=%d\n", bn); |
187 |
while (*cp) ++cp; |
188 |
} |
189 |
*cp = '\0'; |
190 |
printheader(sop->ofp, info); |
191 |
} |
192 |
if (accumulate > 0) { /* global resolution */ |
193 |
sop->xr = xres; sop->yr = yres; |
194 |
} |
195 |
printresolu(sop->ofp, sop->xr, sop->yr); |
196 |
#if 0 |
197 |
/* play catch-up */ |
198 |
for (i = accumulate > 0 ? lastdone/accumulate : 0; i--; ) { |
199 |
int j = sop->reclen; |
200 |
if (j <= 0) j = 1; |
201 |
while (j--) |
202 |
put_contrib(nocontrib, sop->ofp); |
203 |
if (outfmt == 'a') |
204 |
putc('\n', sop->ofp); |
205 |
} |
206 |
#endif |
207 |
if (waitflush > 0) |
208 |
fflush(sop->ofp); |
209 |
} |
210 |
sop->reclen += noopen; /* add to length if noopen */ |
211 |
return(sop); /* return output stream */ |
212 |
openerr: |
213 |
sprintf(errmsg, "cannot open '%s' for writing", oname); |
214 |
error(SYSTEM, errmsg); |
215 |
return(NULL); /* pro forma return */ |
216 |
} |
217 |
|
218 |
|
219 |
/* Get a vector from stdin */ |
220 |
int |
221 |
getvec(FVECT vec) |
222 |
{ |
223 |
float vf[3]; |
224 |
double vd[3]; |
225 |
char buf[32]; |
226 |
int i; |
227 |
|
228 |
switch (inpfmt) { |
229 |
case 'a': /* ascii */ |
230 |
for (i = 0; i < 3; i++) { |
231 |
if (fgetword(buf, sizeof(buf), stdin) == NULL || |
232 |
!isflt(buf)) |
233 |
return(-1); |
234 |
vec[i] = atof(buf); |
235 |
} |
236 |
break; |
237 |
case 'f': /* binary float */ |
238 |
if (fread((char *)vf, sizeof(float), 3, stdin) != 3) |
239 |
return(-1); |
240 |
VCOPY(vec, vf); |
241 |
break; |
242 |
case 'd': /* binary double */ |
243 |
if (fread((char *)vd, sizeof(double), 3, stdin) != 3) |
244 |
return(-1); |
245 |
VCOPY(vec, vd); |
246 |
break; |
247 |
default: |
248 |
error(CONSISTENCY, "botched input format"); |
249 |
} |
250 |
return(0); |
251 |
} |
252 |
|
253 |
|
254 |
/* Put out ray contribution to file */ |
255 |
static void |
256 |
put_contrib(const DCOLOR cnt, FILE *fout) |
257 |
{ |
258 |
double sf = 1; |
259 |
COLOR fv; |
260 |
COLR cv; |
261 |
|
262 |
if (accumulate > 1) |
263 |
sf = 1./(double)accumulate; |
264 |
switch (outfmt) { |
265 |
case 'a': |
266 |
if (accumulate > 1) |
267 |
fprintf(fout, "%.6e\t%.6e\t%.6e\t", |
268 |
sf*cnt[0], sf*cnt[1], sf*cnt[2]); |
269 |
else |
270 |
fprintf(fout, "%.6e\t%.6e\t%.6e\t", |
271 |
cnt[0], cnt[1], cnt[2]); |
272 |
break; |
273 |
case 'f': |
274 |
if (accumulate > 1) { |
275 |
copycolor(fv, cnt); |
276 |
scalecolor(fv, sf); |
277 |
} else |
278 |
copycolor(fv, cnt); |
279 |
fwrite(fv, sizeof(float), 3, fout); |
280 |
break; |
281 |
case 'd': |
282 |
if (accumulate > 1) { |
283 |
DCOLOR dv; |
284 |
copycolor(dv, cnt); |
285 |
scalecolor(dv, sf); |
286 |
fwrite(dv, sizeof(double), 3, fout); |
287 |
} else |
288 |
fwrite(cnt, sizeof(double), 3, fout); |
289 |
break; |
290 |
case 'c': |
291 |
if (accumulate > 1) |
292 |
setcolr(cv, sf*cnt[0], sf*cnt[1], sf*cnt[2]); |
293 |
else |
294 |
setcolr(cv, cnt[0], cnt[1], cnt[2]); |
295 |
fwrite(cv, sizeof(cv), 1, fout); |
296 |
break; |
297 |
default: |
298 |
error(INTERNAL, "botched output format"); |
299 |
} |
300 |
} |
301 |
|
302 |
|
303 |
/* Output modifier values to appropriate stream(s) */ |
304 |
void |
305 |
mod_output(MODCONT *mp) |
306 |
{ |
307 |
STREAMOUT *sop = getostream(mp->outspec, mp->modname, 0, 0); |
308 |
int j; |
309 |
|
310 |
put_contrib(mp->cbin[0], sop->ofp); |
311 |
if (mp->nbins > 3 && /* minor optimization */ |
312 |
sop == getostream(mp->outspec, mp->modname, 1, 0)) |
313 |
for (j = 1; j < mp->nbins; j++) |
314 |
put_contrib(mp->cbin[j], sop->ofp); |
315 |
else |
316 |
for (j = 1; j < mp->nbins; j++) { |
317 |
sop = getostream(mp->outspec, mp->modname, j, 0); |
318 |
put_contrib(mp->cbin[j], sop->ofp); |
319 |
} |
320 |
} |
321 |
|
322 |
|
323 |
/* callback to output newline to ASCII file and/or flush as requested */ |
324 |
static int |
325 |
puteol(const LUENT *e, void *p) |
326 |
{ |
327 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
328 |
|
329 |
if (outfmt == 'a') |
330 |
putc('\n', sop->ofp); |
331 |
if (!waitflush) |
332 |
fflush(sop->ofp); |
333 |
if (ferror(sop->ofp)) { |
334 |
sprintf(errmsg, "write error on file '%s'", e->key); |
335 |
error(SYSTEM, errmsg); |
336 |
} |
337 |
return(0); |
338 |
} |
339 |
|
340 |
|
341 |
/* Terminate record output and flush if time */ |
342 |
void |
343 |
end_record() |
344 |
{ |
345 |
--waitflush; |
346 |
lu_doall(&ofiletab, puteol, NULL); |
347 |
if (using_stdout & (outfmt == 'a')) |
348 |
putc('\n', stdout); |
349 |
if (!waitflush) { |
350 |
waitflush = (yres > 0) & (xres > 1) ? 0 : xres; |
351 |
if (using_stdout) |
352 |
fflush(stdout); |
353 |
} |
354 |
} |
355 |
|
356 |
/************************** PARTIAL RESULTS RECOVERY ***********************/ |
357 |
|
358 |
/* Get ray contribution from previous file */ |
359 |
static int |
360 |
get_contrib(DCOLOR cnt, FILE *finp) |
361 |
{ |
362 |
COLOR fv; |
363 |
COLR cv; |
364 |
|
365 |
switch (outfmt) { |
366 |
case 'a': |
367 |
return(fscanf(finp,"%lf %lf %lf",&cnt[0],&cnt[1],&cnt[2]) == 3); |
368 |
case 'f': |
369 |
if (fread(fv, sizeof(fv[0]), 3, finp) != 3) |
370 |
return(0); |
371 |
copycolor(cnt, fv); |
372 |
return(1); |
373 |
case 'd': |
374 |
return(fread(cnt, sizeof(cnt[0]), 3, finp) == 3); |
375 |
case 'c': |
376 |
if (fread(cv, sizeof(cv), 1, finp) != 1) |
377 |
return(0); |
378 |
colr_color(fv, cv); |
379 |
copycolor(cnt, fv); |
380 |
return(1); |
381 |
default: |
382 |
error(INTERNAL, "botched output format"); |
383 |
} |
384 |
return(0); /* pro forma return */ |
385 |
} |
386 |
|
387 |
|
388 |
/* Close output file opened for input */ |
389 |
static int |
390 |
myclose(const LUENT *e, void *p) |
391 |
{ |
392 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
393 |
|
394 |
if (sop->ofp == NULL) |
395 |
return(0); |
396 |
fclose(sop->ofp); |
397 |
sop->ofp = NULL; |
398 |
return(0); |
399 |
} |
400 |
|
401 |
|
402 |
/* Load previously accumulated values */ |
403 |
void |
404 |
reload_output() |
405 |
{ |
406 |
int i, j; |
407 |
MODCONT *mp; |
408 |
int ofl; |
409 |
char oname[1024]; |
410 |
char *fmode = "rb"; |
411 |
char *outvfmt; |
412 |
LUENT *oent; |
413 |
int xr, yr; |
414 |
STREAMOUT sout; |
415 |
DCOLOR rgbv; |
416 |
|
417 |
if (outfmt == 'a') |
418 |
fmode = "r"; |
419 |
outvfmt = formstr(outfmt); |
420 |
/* reload modifier values */ |
421 |
for (i = 0; i < nmods; i++) { |
422 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data; |
423 |
if (mp->outspec == NULL) |
424 |
error(USER, "cannot reload from stdout"); |
425 |
if (mp->outspec[0] == '!') |
426 |
error(USER, "cannot reload from command"); |
427 |
for (j = 0; ; j++) { /* load each modifier bin */ |
428 |
ofl = ofname(oname, mp->outspec, mp->modname, j); |
429 |
if (ofl < 0) |
430 |
error(USER, "bad output file specification"); |
431 |
oent = lu_find(&ofiletab, oname); |
432 |
if (oent->data != NULL) { |
433 |
sout = *(STREAMOUT *)oent->data; |
434 |
} else { |
435 |
sout.reclen = 0; |
436 |
sout.outpipe = 0; |
437 |
sout.xr = xres; sout.yr = yres; |
438 |
sout.ofp = NULL; |
439 |
} |
440 |
if (sout.ofp == NULL) { /* open output as input */ |
441 |
sout.ofp = fopen(oname, fmode); |
442 |
if (sout.ofp == NULL) { |
443 |
if (j == mp->nbins) |
444 |
break; /* assume end of modifier */ |
445 |
sprintf(errmsg, "missing reload file '%s'", |
446 |
oname); |
447 |
error(WARNING, errmsg); |
448 |
break; |
449 |
} |
450 |
#ifdef getc_unlocked |
451 |
flockfile(sout.ofp); |
452 |
#endif |
453 |
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) { |
454 |
sprintf(errmsg, "format mismatch for '%s'", |
455 |
oname); |
456 |
error(USER, errmsg); |
457 |
} |
458 |
if ((sout.xr > 0) & (sout.yr > 0) && |
459 |
(!fscnresolu(&xr, &yr, sout.ofp) || |
460 |
(xr != sout.xr) | |
461 |
(yr != sout.yr))) { |
462 |
sprintf(errmsg, "resolution mismatch for '%s'", |
463 |
oname); |
464 |
error(USER, errmsg); |
465 |
} |
466 |
} |
467 |
/* read in RGB value */ |
468 |
if (!get_contrib(rgbv, sout.ofp)) { |
469 |
if (!j) { |
470 |
fclose(sout.ofp); |
471 |
break; /* ignore empty file */ |
472 |
} |
473 |
if (j < mp->nbins) { |
474 |
sprintf(errmsg, "missing data in '%s'", |
475 |
oname); |
476 |
error(USER, errmsg); |
477 |
} |
478 |
break; |
479 |
} |
480 |
if (j >= mp->nbins) { /* check modifier size */ |
481 |
sprintf(errmsg, |
482 |
"mismatched -bn setting for reloading '%s'", |
483 |
modname[i]); |
484 |
error(USER, errmsg); |
485 |
} |
486 |
|
487 |
copycolor(mp->cbin[j], rgbv); |
488 |
if (oent->key == NULL) /* new file entry */ |
489 |
oent->key = strcpy((char *) |
490 |
malloc(strlen(oname)+1), oname); |
491 |
if (oent->data == NULL) |
492 |
oent->data = (char *)malloc(sizeof(STREAMOUT)); |
493 |
*(STREAMOUT *)oent->data = sout; |
494 |
} |
495 |
} |
496 |
lu_doall(&ofiletab, myclose, NULL); /* close all files */ |
497 |
} |
498 |
|
499 |
|
500 |
/* Seek on the given output file */ |
501 |
static int |
502 |
myseeko(const LUENT *e, void *p) |
503 |
{ |
504 |
STREAMOUT *sop = (STREAMOUT *)e->data; |
505 |
off_t nbytes = *(off_t *)p; |
506 |
|
507 |
if (sop->reclen > 1) |
508 |
nbytes = nbytes * sop->reclen; |
509 |
if (fseeko(sop->ofp, nbytes, SEEK_CUR) < 0) { |
510 |
sprintf(errmsg, "seek error on file '%s'", e->key); |
511 |
error(SYSTEM, errmsg); |
512 |
} |
513 |
return(0); |
514 |
} |
515 |
|
516 |
|
517 |
/* Recover output if possible */ |
518 |
void |
519 |
recover_output() |
520 |
{ |
521 |
off_t lastout = -1; |
522 |
int outvsiz, recsiz; |
523 |
char *outvfmt; |
524 |
int i, j; |
525 |
MODCONT *mp; |
526 |
int ofl; |
527 |
char oname[1024]; |
528 |
LUENT *oent; |
529 |
STREAMOUT sout; |
530 |
off_t nvals; |
531 |
int xr, yr; |
532 |
|
533 |
switch (outfmt) { |
534 |
case 'a': |
535 |
error(USER, "cannot recover ASCII output"); |
536 |
return; |
537 |
case 'f': |
538 |
outvsiz = sizeof(float)*3; |
539 |
break; |
540 |
case 'd': |
541 |
outvsiz = sizeof(double)*3; |
542 |
break; |
543 |
case 'c': |
544 |
outvsiz = sizeof(COLR); |
545 |
break; |
546 |
default: |
547 |
error(INTERNAL, "botched output format"); |
548 |
return; |
549 |
} |
550 |
outvfmt = formstr(outfmt); |
551 |
/* check modifier outputs */ |
552 |
for (i = 0; i < nmods; i++) { |
553 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data; |
554 |
if (mp->outspec == NULL) |
555 |
error(USER, "cannot recover from stdout"); |
556 |
if (mp->outspec[0] == '!') |
557 |
error(USER, "cannot recover from command"); |
558 |
for (j = 0; ; j++) { /* check each bin's file */ |
559 |
ofl = ofname(oname, mp->outspec, mp->modname, j); |
560 |
if (ofl < 0) |
561 |
error(USER, "bad output file specification"); |
562 |
oent = lu_find(&ofiletab, oname); |
563 |
if (oent->data != NULL) { |
564 |
sout = *(STREAMOUT *)oent->data; |
565 |
} else { |
566 |
sout.reclen = 0; |
567 |
sout.outpipe = 0; |
568 |
sout.ofp = NULL; |
569 |
} |
570 |
if (sout.ofp != NULL) { /* already open? */ |
571 |
if (ofl & OF_BIN) |
572 |
continue; |
573 |
break; |
574 |
} |
575 |
/* open output */ |
576 |
sout.ofp = fopen(oname, "rb+"); |
577 |
if (sout.ofp == NULL) { |
578 |
if (j == mp->nbins) |
579 |
break; /* assume end of modifier */ |
580 |
sprintf(errmsg, "missing recover file '%s'", |
581 |
oname); |
582 |
error(WARNING, errmsg); |
583 |
break; |
584 |
} |
585 |
nvals = lseek(fileno(sout.ofp), 0, SEEK_END); |
586 |
if (nvals <= 0) { |
587 |
lastout = 0; /* empty output, quit here */ |
588 |
fclose(sout.ofp); |
589 |
break; |
590 |
} |
591 |
if (!sout.reclen) { |
592 |
if (!(ofl & OF_BIN)) { |
593 |
sprintf(errmsg, |
594 |
"need -bn to recover file '%s'", |
595 |
oname); |
596 |
error(USER, errmsg); |
597 |
} |
598 |
recsiz = outvsiz; |
599 |
} else |
600 |
recsiz = outvsiz * sout.reclen; |
601 |
|
602 |
lseek(fileno(sout.ofp), 0, SEEK_SET); |
603 |
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) { |
604 |
sprintf(errmsg, "format mismatch for '%s'", |
605 |
oname); |
606 |
error(USER, errmsg); |
607 |
} |
608 |
sout.xr = xres; sout.yr = yres; |
609 |
if ((sout.xr > 0) & (sout.yr > 0) && |
610 |
(!fscnresolu(&xr, &yr, sout.ofp) || |
611 |
(xr != sout.xr) | |
612 |
(yr != sout.yr))) { |
613 |
sprintf(errmsg, "resolution mismatch for '%s'", |
614 |
oname); |
615 |
error(USER, errmsg); |
616 |
} |
617 |
nvals = (nvals - (off_t)ftell(sout.ofp)) / recsiz; |
618 |
if ((lastout < 0) | (nvals < lastout)) |
619 |
lastout = nvals; |
620 |
if (oent->key == NULL) /* new entry */ |
621 |
oent->key = strcpy((char *) |
622 |
malloc(strlen(oname)+1), oname); |
623 |
if (oent->data == NULL) |
624 |
oent->data = (char *)malloc(sizeof(STREAMOUT)); |
625 |
*(STREAMOUT *)oent->data = sout; |
626 |
if (!(ofl & OF_BIN)) |
627 |
break; /* no bin separation */ |
628 |
} |
629 |
if (!lastout) { /* empty output */ |
630 |
error(WARNING, "no previous data to recover"); |
631 |
lu_done(&ofiletab); /* reclose all outputs */ |
632 |
return; |
633 |
} |
634 |
if (j > mp->nbins) { /* check modifier size */ |
635 |
sprintf(errmsg, |
636 |
"mismatched -bn setting for recovering '%s'", |
637 |
modname[i]); |
638 |
error(USER, errmsg); |
639 |
} |
640 |
} |
641 |
if (lastout < 0) { |
642 |
error(WARNING, "no output files to recover"); |
643 |
return; |
644 |
} |
645 |
if (raysleft && lastout >= raysleft/accumulate) { |
646 |
error(WARNING, "output appears to be complete"); |
647 |
/* XXX should read & discard input? */ |
648 |
quit(0); |
649 |
} |
650 |
/* seek on all files */ |
651 |
nvals = lastout * outvsiz; |
652 |
lu_doall(&ofiletab, myseeko, &nvals); |
653 |
/* skip repeated input */ |
654 |
for (nvals = 0; nvals < lastout; nvals++) { |
655 |
FVECT vdummy; |
656 |
if (getvec(vdummy) < 0 || getvec(vdummy) < 0) |
657 |
error(USER, "unexpected EOF on input"); |
658 |
} |
659 |
lastray = lastdone = lastout * accumulate; |
660 |
if (raysleft) |
661 |
raysleft -= lastray; |
662 |
} |