| 1 |
#ifndef lint
|
| 2 |
static const char RCSid[] = "$Id: rc2.c,v 2.26 2023/11/15 18:02:53 greg Exp $";
|
| 3 |
#endif
|
| 4 |
/*
|
| 5 |
* Accumulate ray contributions for a set of materials
|
| 6 |
* File i/o and recovery
|
| 7 |
*/
|
| 8 |
|
| 9 |
#include <ctype.h>
|
| 10 |
#include "platform.h"
|
| 11 |
#include "rcontrib.h"
|
| 12 |
#include "resolu.h"
|
| 13 |
|
| 14 |
/* Close output stream and free record */
|
| 15 |
static void
|
| 16 |
closestream(void *p)
|
| 17 |
{
|
| 18 |
STREAMOUT *sop = (STREAMOUT *)p;
|
| 19 |
|
| 20 |
if (sop->ofp != NULL) {
|
| 21 |
int status = 0;
|
| 22 |
if (sop->outpipe)
|
| 23 |
status = pclose(sop->ofp);
|
| 24 |
else if (sop->ofp != stdout)
|
| 25 |
status = fclose(sop->ofp);
|
| 26 |
if (status)
|
| 27 |
error(SYSTEM, "error closing output stream");
|
| 28 |
}
|
| 29 |
free(p);
|
| 30 |
}
|
| 31 |
|
| 32 |
LUTAB ofiletab = LU_SINIT(free,closestream); /* output file table */
|
| 33 |
|
| 34 |
#define OF_MODIFIER 01
|
| 35 |
#define OF_BIN 02
|
| 36 |
|
| 37 |
/************************** STREAM & FILE I/O ***************************/
|
| 38 |
|
| 39 |
/* Construct output file name and return flags whether modifier/bin present */
|
| 40 |
static int
|
| 41 |
ofname(char *oname, const char *ospec, const char *mname, int bn)
|
| 42 |
{
|
| 43 |
const char *mnp = NULL;
|
| 44 |
const char *bnp = NULL;
|
| 45 |
const char *cp;
|
| 46 |
|
| 47 |
if (ospec == NULL)
|
| 48 |
return(-1);
|
| 49 |
for (cp = ospec; *cp; cp++) /* check format position(s) */
|
| 50 |
if (*cp == '%') {
|
| 51 |
do
|
| 52 |
++cp;
|
| 53 |
while (isdigit(*cp));
|
| 54 |
switch (*cp) {
|
| 55 |
case '%':
|
| 56 |
break;
|
| 57 |
case 's':
|
| 58 |
if (mnp != NULL)
|
| 59 |
return(-1);
|
| 60 |
mnp = cp;
|
| 61 |
break;
|
| 62 |
case 'd':
|
| 63 |
case 'i':
|
| 64 |
case 'o':
|
| 65 |
case 'x':
|
| 66 |
case 'X':
|
| 67 |
if (bnp != NULL)
|
| 68 |
return(-1);
|
| 69 |
bnp = cp;
|
| 70 |
break;
|
| 71 |
default:
|
| 72 |
return(-1);
|
| 73 |
}
|
| 74 |
}
|
| 75 |
if (mnp != NULL) { /* create file name */
|
| 76 |
if (bnp != NULL) {
|
| 77 |
if (bnp > mnp)
|
| 78 |
sprintf(oname, ospec, mname, bn);
|
| 79 |
else
|
| 80 |
sprintf(oname, ospec, bn, mname);
|
| 81 |
return(OF_MODIFIER|OF_BIN);
|
| 82 |
}
|
| 83 |
sprintf(oname, ospec, mname);
|
| 84 |
return(OF_MODIFIER);
|
| 85 |
}
|
| 86 |
if (bnp != NULL) {
|
| 87 |
sprintf(oname, ospec, bn);
|
| 88 |
return(OF_BIN);
|
| 89 |
}
|
| 90 |
strcpy(oname, ospec);
|
| 91 |
return(0);
|
| 92 |
}
|
| 93 |
|
| 94 |
|
| 95 |
/* Write header to the given output stream */
|
| 96 |
static void
|
| 97 |
printheader(FILE *fout, const char *info)
|
| 98 |
{
|
| 99 |
extern char VersionID[];
|
| 100 |
/* copy octree header */
|
| 101 |
if (octname[0] == '!') {
|
| 102 |
newheader("RADIANCE", fout);
|
| 103 |
fputs(octname+1, fout);
|
| 104 |
if (octname[strlen(octname)-1] != '\n')
|
| 105 |
fputc('\n', fout);
|
| 106 |
} else {
|
| 107 |
FILE *fin = fopen(octname, (outfmt=='a') ? "r" : "rb");
|
| 108 |
if (fin == NULL)
|
| 109 |
quit(1);
|
| 110 |
checkheader(fin, OCTFMT, fout);
|
| 111 |
fclose(fin);
|
| 112 |
}
|
| 113 |
printargs(gargc-1, gargv, fout); /* add our command */
|
| 114 |
fprintf(fout, "SOFTWARE= %s\n", VersionID);
|
| 115 |
fputnow(fout);
|
| 116 |
fputncomp(NCSAMP, fout);
|
| 117 |
if (NCSAMP > 3)
|
| 118 |
fputwlsplit(WLPART, fout);
|
| 119 |
if (info != NULL) /* add extra info if given */
|
| 120 |
fputs(info, fout);
|
| 121 |
if ((outfmt == 'f') | (outfmt == 'd'))
|
| 122 |
fputendian(fout);
|
| 123 |
fputformat(formstr(outfmt), fout);
|
| 124 |
fputc('\n', fout); /* empty line ends header */
|
| 125 |
}
|
| 126 |
|
| 127 |
|
| 128 |
/* Write resolution string to given output stream */
|
| 129 |
static void
|
| 130 |
printresolu(FILE *fout, int xr, int yr)
|
| 131 |
{
|
| 132 |
if ((xr > 0) & (yr > 0)) /* resolution string */
|
| 133 |
fprtresolu(xr, yr, fout);
|
| 134 |
}
|
| 135 |
|
| 136 |
|
| 137 |
/* Get output stream pointer (open and write header if new and noopen==0) */
|
| 138 |
STREAMOUT *
|
| 139 |
getostream(const char *ospec, const char *mname, int bn, int noopen)
|
| 140 |
{
|
| 141 |
static STREAMOUT stdos;
|
| 142 |
char info[1024];
|
| 143 |
int ofl;
|
| 144 |
char oname[1024];
|
| 145 |
LUENT *lep;
|
| 146 |
STREAMOUT *sop;
|
| 147 |
char *cp;
|
| 148 |
|
| 149 |
info[0] = '\0';
|
| 150 |
if (ospec == NULL) { /* use stdout? */
|
| 151 |
if (!noopen & !using_stdout) {
|
| 152 |
if (outfmt != 'a')
|
| 153 |
SET_FILE_BINARY(stdout);
|
| 154 |
#ifdef getc_unlocked
|
| 155 |
flockfile(stdout); /* avoid lock/unlock overhead */
|
| 156 |
#endif
|
| 157 |
if (header) {
|
| 158 |
cp = info;
|
| 159 |
if (yres > 0) {
|
| 160 |
sprintf(cp, "NROWS=%d\n", yres *
|
| 161 |
(xres + !xres) );
|
| 162 |
while (*cp) ++cp;
|
| 163 |
}
|
| 164 |
if ((xres <= 0) | (stdos.reclen > 1))
|
| 165 |
sprintf(cp, "NCOLS=%d\n", stdos.reclen);
|
| 166 |
printheader(stdout, info);
|
| 167 |
}
|
| 168 |
if (stdos.reclen == 1)
|
| 169 |
printresolu(stdout, xres, yres);
|
| 170 |
if (waitflush > 0)
|
| 171 |
fflush(stdout);
|
| 172 |
stdos.xr = xres; stdos.yr = yres;
|
| 173 |
using_stdout = 1;
|
| 174 |
}
|
| 175 |
stdos.ofp = stdout;
|
| 176 |
stdos.reclen += noopen;
|
| 177 |
return(&stdos);
|
| 178 |
}
|
| 179 |
ofl = ofname(oname, ospec, mname, bn); /* get output name */
|
| 180 |
if (ofl < 0) {
|
| 181 |
sprintf(errmsg, "bad output format '%s'", ospec);
|
| 182 |
error(USER, errmsg);
|
| 183 |
}
|
| 184 |
lep = lu_find(&ofiletab, oname); /* look it up */
|
| 185 |
if (lep->key == NULL) /* new entry */
|
| 186 |
lep->key = strcpy((char *)malloc(strlen(oname)+1), oname);
|
| 187 |
sop = (STREAMOUT *)lep->data;
|
| 188 |
if (sop == NULL) { /* allocate stream */
|
| 189 |
sop = (STREAMOUT *)malloc(sizeof(STREAMOUT));
|
| 190 |
if (sop == NULL)
|
| 191 |
error(SYSTEM, "out of memory in getostream");
|
| 192 |
sop->outpipe = (oname[0] == '!');
|
| 193 |
sop->reclen = 0;
|
| 194 |
sop->ofp = NULL; /* open iff noopen==0 */
|
| 195 |
sop->xr = xres; sop->yr = yres;
|
| 196 |
lep->data = (char *)sop;
|
| 197 |
if (!sop->outpipe & !force_open & !recover &&
|
| 198 |
access(oname, F_OK) == 0) {
|
| 199 |
errno = EEXIST; /* file exists */
|
| 200 |
goto openerr;
|
| 201 |
}
|
| 202 |
} else if (noopen && outfmt == 'c' && /* stream exists to picture? */
|
| 203 |
(sop->xr > 0) & (sop->yr > 0)) {
|
| 204 |
if (ofl & OF_BIN)
|
| 205 |
return(NULL); /* let caller offset bins */
|
| 206 |
sprintf(errmsg, "output '%s' not a valid picture", oname);
|
| 207 |
error(WARNING, errmsg);
|
| 208 |
}
|
| 209 |
if (!noopen && sop->ofp == NULL) { /* open output stream */
|
| 210 |
if (oname[0] == '!') /* output to command */
|
| 211 |
sop->ofp = popen(oname+1, "w");
|
| 212 |
else /* else open file */
|
| 213 |
sop->ofp = fopen(oname, "w");
|
| 214 |
if (sop->ofp == NULL)
|
| 215 |
goto openerr;
|
| 216 |
if (outfmt != 'a')
|
| 217 |
SET_FILE_BINARY(sop->ofp);
|
| 218 |
#ifdef getc_unlocked
|
| 219 |
flockfile(sop->ofp); /* avoid lock/unlock overhead */
|
| 220 |
#endif
|
| 221 |
if (accumulate > 0) { /* global resolution */
|
| 222 |
sop->xr = xres; sop->yr = yres;
|
| 223 |
}
|
| 224 |
if (header) {
|
| 225 |
cp = info;
|
| 226 |
if (ofl & OF_MODIFIER || sop->reclen == 1) {
|
| 227 |
sprintf(cp, "MODIFIER=%s\n", mname);
|
| 228 |
while (*cp) ++cp;
|
| 229 |
}
|
| 230 |
if (ofl & OF_BIN) {
|
| 231 |
sprintf(cp, "BIN=%d\n", bn);
|
| 232 |
while (*cp) ++cp;
|
| 233 |
}
|
| 234 |
if (sop->yr > 0) {
|
| 235 |
sprintf(cp, "NROWS=%d\n", sop->yr *
|
| 236 |
(sop->xr + !sop->xr) );
|
| 237 |
while (*cp) ++cp;
|
| 238 |
}
|
| 239 |
if ((sop->xr <= 0) | (sop->reclen > 1))
|
| 240 |
sprintf(cp, "NCOLS=%d\n", sop->reclen);
|
| 241 |
printheader(sop->ofp, info);
|
| 242 |
}
|
| 243 |
if (sop->reclen == 1)
|
| 244 |
printresolu(sop->ofp, sop->xr, sop->yr);
|
| 245 |
if (waitflush > 0)
|
| 246 |
fflush(sop->ofp);
|
| 247 |
}
|
| 248 |
sop->reclen += noopen; /* add to length if noopen */
|
| 249 |
return(sop); /* return output stream */
|
| 250 |
openerr:
|
| 251 |
sprintf(errmsg, "cannot open '%s' for writing", oname);
|
| 252 |
error(SYSTEM, errmsg);
|
| 253 |
return(NULL); /* pro forma return */
|
| 254 |
}
|
| 255 |
|
| 256 |
|
| 257 |
/* Get a vector from stdin */
|
| 258 |
int
|
| 259 |
getvec(FVECT vec)
|
| 260 |
{
|
| 261 |
float vf[3];
|
| 262 |
double vd[3];
|
| 263 |
char buf[32];
|
| 264 |
int i;
|
| 265 |
|
| 266 |
switch (inpfmt) {
|
| 267 |
case 'a': /* ascii */
|
| 268 |
for (i = 0; i < 3; i++) {
|
| 269 |
if (fgetword(buf, sizeof(buf), stdin) == NULL ||
|
| 270 |
!isflt(buf))
|
| 271 |
return(-1);
|
| 272 |
vec[i] = atof(buf);
|
| 273 |
}
|
| 274 |
break;
|
| 275 |
case 'f': /* binary float */
|
| 276 |
if (getbinary(vf, sizeof(float), 3, stdin) != 3)
|
| 277 |
return(-1);
|
| 278 |
VCOPY(vec, vf);
|
| 279 |
break;
|
| 280 |
case 'd': /* binary double */
|
| 281 |
if (getbinary(vd, sizeof(double), 3, stdin) != 3)
|
| 282 |
return(-1);
|
| 283 |
VCOPY(vec, vd);
|
| 284 |
break;
|
| 285 |
default:
|
| 286 |
error(CONSISTENCY, "botched input format");
|
| 287 |
}
|
| 288 |
return(0);
|
| 289 |
}
|
| 290 |
|
| 291 |
|
| 292 |
/* Put out ray contribution to file */
|
| 293 |
static void
|
| 294 |
put_contrib(const DCOLORV *cnt, FILE *fout)
|
| 295 |
{
|
| 296 |
double sf = 1;
|
| 297 |
SCOLOR fv;
|
| 298 |
SCOLR cv;
|
| 299 |
int i;
|
| 300 |
|
| 301 |
if (accumulate > 1)
|
| 302 |
sf = 1./(double)accumulate;
|
| 303 |
switch (outfmt) {
|
| 304 |
case 'a':
|
| 305 |
for (i = 0; i < NCSAMP; i++)
|
| 306 |
fprintf(fout, "%.6e\t", sf*cnt[i]);
|
| 307 |
break;
|
| 308 |
case 'f':
|
| 309 |
for (i = NCSAMP; i-- > 0; )
|
| 310 |
fv[i] = cnt[i];
|
| 311 |
if (accumulate > 1)
|
| 312 |
scalescolor(fv, sf);
|
| 313 |
putbinary(fv, sizeof(COLORV), NCSAMP, fout);
|
| 314 |
break;
|
| 315 |
case 'd':
|
| 316 |
if (accumulate > 1) {
|
| 317 |
DCOLORV dv[MAXCSAMP];
|
| 318 |
for (i = NCSAMP; i-- > 0; )
|
| 319 |
dv[i] = sf*cnt[i];
|
| 320 |
putbinary(dv, sizeof(DCOLORV), NCSAMP, fout);
|
| 321 |
} else
|
| 322 |
putbinary(cnt, sizeof(DCOLORV), NCSAMP, fout);
|
| 323 |
break;
|
| 324 |
case 'c':
|
| 325 |
for (i = NCSAMP; i-- > 0; )
|
| 326 |
fv[i] = cnt[i];
|
| 327 |
if (accumulate > 1)
|
| 328 |
scalescolor(fv, sf);
|
| 329 |
scolor_scolr(cv, fv);
|
| 330 |
putbinary(cv, 1, LSCOLR, fout);
|
| 331 |
break;
|
| 332 |
default:
|
| 333 |
error(INTERNAL, "botched output format");
|
| 334 |
}
|
| 335 |
}
|
| 336 |
|
| 337 |
|
| 338 |
/* Output modifier values to appropriate stream(s) */
|
| 339 |
void
|
| 340 |
mod_output(MODCONT *mp)
|
| 341 |
{
|
| 342 |
STREAMOUT *sop = getostream(mp->outspec, mp->modname, mp->bin0, 0);
|
| 343 |
int j;
|
| 344 |
|
| 345 |
put_contrib(mp->cbin, sop->ofp);
|
| 346 |
if (mp->nbins > 3 && /* minor optimization */
|
| 347 |
sop == getostream(mp->outspec, mp->modname, mp->bin0+1, 0)) {
|
| 348 |
for (j = 1; j < mp->nbins; j++)
|
| 349 |
put_contrib(mcbin(mp,j), sop->ofp);
|
| 350 |
} else {
|
| 351 |
for (j = 1; j < mp->nbins; j++) {
|
| 352 |
sop = getostream(mp->outspec, mp->modname, mp->bin0+j, 0);
|
| 353 |
put_contrib(mcbin(mp,j), sop->ofp);
|
| 354 |
}
|
| 355 |
}
|
| 356 |
}
|
| 357 |
|
| 358 |
|
| 359 |
/* callback to output newline to ASCII file and/or flush as requested */
|
| 360 |
static int
|
| 361 |
puteol(const LUENT *e, void *p)
|
| 362 |
{
|
| 363 |
STREAMOUT *sop = (STREAMOUT *)e->data;
|
| 364 |
|
| 365 |
if (outfmt == 'a')
|
| 366 |
putc('\n', sop->ofp);
|
| 367 |
if (!waitflush)
|
| 368 |
fflush(sop->ofp);
|
| 369 |
if (ferror(sop->ofp)) {
|
| 370 |
sprintf(errmsg, "write error on file '%s'", e->key);
|
| 371 |
error(SYSTEM, errmsg);
|
| 372 |
}
|
| 373 |
return(0);
|
| 374 |
}
|
| 375 |
|
| 376 |
|
| 377 |
/* Terminate record output and flush if time */
|
| 378 |
void
|
| 379 |
end_record()
|
| 380 |
{
|
| 381 |
--waitflush;
|
| 382 |
lu_doall(&ofiletab, &puteol, NULL);
|
| 383 |
if (using_stdout & (outfmt == 'a'))
|
| 384 |
putc('\n', stdout);
|
| 385 |
if (!waitflush) {
|
| 386 |
waitflush = (yres > 0) & (xres > 1) ? 0 : xres;
|
| 387 |
if (using_stdout)
|
| 388 |
fflush(stdout);
|
| 389 |
}
|
| 390 |
}
|
| 391 |
|
| 392 |
/************************** PARTIAL RESULTS RECOVERY ***********************/
|
| 393 |
|
| 394 |
/* Get ray contribution from previous file */
|
| 395 |
static int
|
| 396 |
get_contrib(DCOLORV *cnt, FILE *finp)
|
| 397 |
{
|
| 398 |
SCOLOR fv;
|
| 399 |
SCOLR cv;
|
| 400 |
int i;
|
| 401 |
|
| 402 |
switch (outfmt) {
|
| 403 |
case 'a':
|
| 404 |
for (i = 0; i < NCSAMP; i++)
|
| 405 |
if (fscanf(finp, "%lf", &cnt[i]) != 1)
|
| 406 |
return(0);
|
| 407 |
return(1);
|
| 408 |
case 'd':
|
| 409 |
return(getbinary(cnt, sizeof(DCOLORV), NCSAMP, finp) == NCSAMP);
|
| 410 |
case 'f':
|
| 411 |
if (getbinary(fv, sizeof(COLORV), NCSAMP, finp) != NCSAMP)
|
| 412 |
return(0);
|
| 413 |
break;
|
| 414 |
case 'c':
|
| 415 |
if (getbinary(cv, 1, LSCOLR, finp) != LSCOLR)
|
| 416 |
return(0);
|
| 417 |
scolr_scolor(fv, cv);
|
| 418 |
break;
|
| 419 |
default:
|
| 420 |
error(INTERNAL, "botched output format");
|
| 421 |
}
|
| 422 |
/* copy result from SCOLOR */
|
| 423 |
for (i = NCSAMP; i-- > 0; )
|
| 424 |
cnt[i] = fv[i];
|
| 425 |
return(1);
|
| 426 |
}
|
| 427 |
|
| 428 |
|
| 429 |
/* Close output file opened for input */
|
| 430 |
static int
|
| 431 |
myclose(const LUENT *e, void *p)
|
| 432 |
{
|
| 433 |
STREAMOUT *sop = (STREAMOUT *)e->data;
|
| 434 |
|
| 435 |
if (sop->ofp == NULL)
|
| 436 |
return(0);
|
| 437 |
fclose(sop->ofp);
|
| 438 |
sop->ofp = NULL;
|
| 439 |
return(0);
|
| 440 |
}
|
| 441 |
|
| 442 |
|
| 443 |
/* Load previously accumulated values */
|
| 444 |
void
|
| 445 |
reload_output()
|
| 446 |
{
|
| 447 |
int i, j;
|
| 448 |
MODCONT *mp;
|
| 449 |
int ofl;
|
| 450 |
char oname[1024];
|
| 451 |
char *fmode = "rb";
|
| 452 |
char *outvfmt;
|
| 453 |
LUENT *oent;
|
| 454 |
int xr, yr;
|
| 455 |
STREAMOUT *sop;
|
| 456 |
DCOLORV contr[MAXCSAMP];
|
| 457 |
|
| 458 |
if (outfmt == 'a')
|
| 459 |
fmode = "r";
|
| 460 |
outvfmt = (char *)formstr(outfmt);
|
| 461 |
/* reload modifier values */
|
| 462 |
for (i = 0; i < nmods; i++) {
|
| 463 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data;
|
| 464 |
if (mp->outspec == NULL)
|
| 465 |
error(USER, "cannot reload from stdout");
|
| 466 |
if (mp->outspec[0] == '!')
|
| 467 |
error(USER, "cannot reload from command");
|
| 468 |
for (j = 0; j < mp->nbins; j++) { /* load each modifier bin */
|
| 469 |
ofl = ofname(oname, mp->outspec, mp->modname, mp->bin0+j);
|
| 470 |
if (ofl < 0)
|
| 471 |
error(USER, "bad output file specification");
|
| 472 |
oent = lu_find(&ofiletab, oname);
|
| 473 |
if (oent->data == NULL)
|
| 474 |
error(INTERNAL, "unallocated stream in reload_output()");
|
| 475 |
sop = (STREAMOUT *)oent->data;
|
| 476 |
if (sop->ofp == NULL) { /* open output as input */
|
| 477 |
sop->ofp = fopen(oname, fmode);
|
| 478 |
if (sop->ofp == NULL) {
|
| 479 |
sprintf(errmsg, "missing reload file '%s'",
|
| 480 |
oname);
|
| 481 |
error(WARNING, errmsg);
|
| 482 |
break;
|
| 483 |
}
|
| 484 |
#ifdef getc_unlocked
|
| 485 |
flockfile(sop->ofp);
|
| 486 |
#endif
|
| 487 |
if (header && checkheader(sop->ofp, outvfmt, NULL) != 1) {
|
| 488 |
sprintf(errmsg, "format mismatch for '%s'",
|
| 489 |
oname);
|
| 490 |
error(USER, errmsg);
|
| 491 |
}
|
| 492 |
if ((sop->reclen == 1) & (sop->xr > 0) & (sop->yr > 0) &&
|
| 493 |
(!fscnresolu(&xr, &yr, sop->ofp) ||
|
| 494 |
(xr != sop->xr) |
|
| 495 |
(yr != sop->yr))) {
|
| 496 |
sprintf(errmsg, "resolution mismatch for '%s'",
|
| 497 |
oname);
|
| 498 |
error(USER, errmsg);
|
| 499 |
}
|
| 500 |
}
|
| 501 |
/* read in spectral value */
|
| 502 |
if (!get_contrib(contr, sop->ofp)) {
|
| 503 |
if (!j) {
|
| 504 |
fclose(sop->ofp);
|
| 505 |
break; /* ignore empty file */
|
| 506 |
}
|
| 507 |
if (j < mp->nbins) {
|
| 508 |
sprintf(errmsg, "missing data in '%s'",
|
| 509 |
oname);
|
| 510 |
error(USER, errmsg);
|
| 511 |
}
|
| 512 |
break;
|
| 513 |
}
|
| 514 |
memcpy(mcbin(mp,j), contr, DCOLORSIZ);
|
| 515 |
}
|
| 516 |
}
|
| 517 |
lu_doall(&ofiletab, &myclose, NULL); /* close all files */
|
| 518 |
}
|
| 519 |
|
| 520 |
|
| 521 |
/* Seek on the given output file */
|
| 522 |
static int
|
| 523 |
myseeko(const LUENT *e, void *p)
|
| 524 |
{
|
| 525 |
STREAMOUT *sop = (STREAMOUT *)e->data;
|
| 526 |
off_t nbytes = *(off_t *)p;
|
| 527 |
|
| 528 |
if (sop->reclen > 1)
|
| 529 |
nbytes *= (off_t)sop->reclen;
|
| 530 |
if (fseeko(sop->ofp, nbytes, SEEK_CUR) < 0) {
|
| 531 |
sprintf(errmsg, "seek error on file '%s'", e->key);
|
| 532 |
error(SYSTEM, errmsg);
|
| 533 |
}
|
| 534 |
return(0);
|
| 535 |
}
|
| 536 |
|
| 537 |
|
| 538 |
/* Recover output if possible */
|
| 539 |
void
|
| 540 |
recover_output()
|
| 541 |
{
|
| 542 |
off_t lastout = -1;
|
| 543 |
int outvsiz, recsiz;
|
| 544 |
char *outvfmt;
|
| 545 |
int i, j;
|
| 546 |
MODCONT *mp;
|
| 547 |
int ofl;
|
| 548 |
char oname[1024];
|
| 549 |
LUENT *oent;
|
| 550 |
STREAMOUT *sop;
|
| 551 |
off_t nvals;
|
| 552 |
int xr, yr;
|
| 553 |
|
| 554 |
switch (outfmt) {
|
| 555 |
case 'a':
|
| 556 |
error(USER, "cannot recover ASCII output");
|
| 557 |
return;
|
| 558 |
case 'f':
|
| 559 |
outvsiz = sizeof(float)*NCSAMP;
|
| 560 |
break;
|
| 561 |
case 'd':
|
| 562 |
outvsiz = sizeof(double)*NCSAMP;
|
| 563 |
break;
|
| 564 |
case 'c':
|
| 565 |
outvsiz = LSCOLR;
|
| 566 |
break;
|
| 567 |
default:
|
| 568 |
error(INTERNAL, "botched output format");
|
| 569 |
return;
|
| 570 |
}
|
| 571 |
outvfmt = (char *)formstr(outfmt);
|
| 572 |
/* check modifier outputs */
|
| 573 |
for (i = 0; i < nmods; i++) {
|
| 574 |
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data;
|
| 575 |
if (mp->outspec == NULL)
|
| 576 |
error(USER, "cannot recover from stdout");
|
| 577 |
if (mp->outspec[0] == '!')
|
| 578 |
error(USER, "cannot recover from command");
|
| 579 |
for (j = 0; j < mp->nbins; j++) { /* check each bin's file */
|
| 580 |
ofl = ofname(oname, mp->outspec, mp->modname, mp->bin0+j);
|
| 581 |
if (ofl < 0)
|
| 582 |
error(USER, "bad output file specification");
|
| 583 |
oent = lu_find(&ofiletab, oname);
|
| 584 |
if (oent->data == NULL)
|
| 585 |
error(INTERNAL, "unallocated stream in recover_output()");
|
| 586 |
sop = (STREAMOUT *)oent->data;
|
| 587 |
if (sop->ofp != NULL) { /* already open? */
|
| 588 |
if (ofl & OF_BIN)
|
| 589 |
continue;
|
| 590 |
break;
|
| 591 |
}
|
| 592 |
/* open output */
|
| 593 |
sop->ofp = fopen(oname, "rb+");
|
| 594 |
if (sop->ofp == NULL) {
|
| 595 |
sprintf(errmsg, "missing recover file '%s'",
|
| 596 |
oname);
|
| 597 |
error(WARNING, errmsg);
|
| 598 |
lastout = 0;
|
| 599 |
break;
|
| 600 |
}
|
| 601 |
nvals = lseek(fileno(sop->ofp), 0, SEEK_END);
|
| 602 |
if (nvals <= 0) {
|
| 603 |
lastout = 0; /* empty output, quit here */
|
| 604 |
fclose(sop->ofp);
|
| 605 |
break;
|
| 606 |
}
|
| 607 |
recsiz = outvsiz * sop->reclen;
|
| 608 |
|
| 609 |
lseek(fileno(sop->ofp), 0, SEEK_SET);
|
| 610 |
if (header && checkheader(sop->ofp, outvfmt, NULL) != 1) {
|
| 611 |
sprintf(errmsg, "format mismatch for '%s'",
|
| 612 |
oname);
|
| 613 |
error(USER, errmsg);
|
| 614 |
}
|
| 615 |
if ((sop->reclen == 1) & (sop->xr > 0) & (sop->yr > 0) &&
|
| 616 |
(!fscnresolu(&xr, &yr, sop->ofp) ||
|
| 617 |
(xr != sop->xr) |
|
| 618 |
(yr != sop->yr))) {
|
| 619 |
sprintf(errmsg, "resolution mismatch for '%s'",
|
| 620 |
oname);
|
| 621 |
error(USER, errmsg);
|
| 622 |
}
|
| 623 |
nvals = (nvals - (off_t)ftell(sop->ofp)) / recsiz;
|
| 624 |
if ((lastout < 0) | (nvals < lastout))
|
| 625 |
lastout = nvals;
|
| 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 |
/* reclose all outputs */
|
| 632 |
lu_doall(&ofiletab, &myclose, NULL);
|
| 633 |
return;
|
| 634 |
}
|
| 635 |
}
|
| 636 |
if (lastout < 0) {
|
| 637 |
error(WARNING, "no output files to recover");
|
| 638 |
return;
|
| 639 |
}
|
| 640 |
if (raysleft && lastout >= raysleft/accumulate) {
|
| 641 |
error(WARNING, "output appears to be complete");
|
| 642 |
/* XXX should read & discard input? */
|
| 643 |
quit(0);
|
| 644 |
}
|
| 645 |
/* seek on all files */
|
| 646 |
nvals = lastout * outvsiz;
|
| 647 |
lu_doall(&ofiletab, &myseeko, &nvals);
|
| 648 |
/* skip repeated input */
|
| 649 |
lastout *= accumulate;
|
| 650 |
for (nvals = 0; nvals < lastout; nvals++) {
|
| 651 |
FVECT vdummy;
|
| 652 |
if (getvec(vdummy) < 0 || getvec(vdummy) < 0)
|
| 653 |
error(USER, "unexpected EOF on input");
|
| 654 |
}
|
| 655 |
lastray = lastdone = (RNUMBER)lastout;
|
| 656 |
if (raysleft)
|
| 657 |
raysleft -= lastray;
|
| 658 |
}
|
