| 20 |
|
#include <sys/mman.h> |
| 21 |
|
#endif |
| 22 |
|
|
| 23 |
+ |
#define MAXLEVELS 16 /* max RxC.. block pairs */ |
| 24 |
+ |
|
| 25 |
|
typedef struct { |
| 26 |
+ |
void *mapped; /* memory-mapped pointer */ |
| 27 |
|
void *base; /* pointer to base memory */ |
| 28 |
|
size_t len; /* allocated memory length */ |
| 26 |
– |
int mapped; /* memory-mapped file? */ |
| 29 |
|
} MEMLOAD; /* file loaded/mapped into memory */ |
| 30 |
|
|
| 31 |
|
typedef struct { |
| 32 |
|
int nw_rec; /* number of words per record */ |
| 33 |
< |
int nrecs; /* number of records we found */ |
| 33 |
> |
long nrecs; /* number of records we found */ |
| 34 |
|
char *rec[1]; /* record array (extends struct) */ |
| 35 |
|
} RECINDEX; |
| 36 |
|
|
| 44 |
|
return; |
| 45 |
|
#ifdef MAP_FILE |
| 46 |
|
if (mp->mapped) |
| 47 |
< |
munmap(mp->base, mp->len); |
| 47 |
> |
munmap(mp->mapped, mp->len); |
| 48 |
|
else |
| 49 |
|
#endif |
| 50 |
|
free(mp->base); |
| 51 |
+ |
mp->mapped = NULL; |
| 52 |
|
mp->base = NULL; |
| 53 |
|
mp->len = 0; |
| 54 |
|
} |
| 63 |
|
|
| 64 |
|
if (mp == NULL) |
| 65 |
|
return(-1); |
| 66 |
+ |
mp->mapped = NULL; |
| 67 |
|
mp->base = NULL; |
| 68 |
|
mp->len = 0; |
| 65 |
– |
mp->mapped = 0; |
| 69 |
|
if (fp == NULL) |
| 70 |
|
return(-1); |
| 71 |
|
while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) { |
| 93 |
|
load_file(MEMLOAD *mp, FILE *fp) |
| 94 |
|
{ |
| 95 |
|
int fd; |
| 96 |
< |
off_t skip, flen; |
| 96 |
> |
off_t skip, flen, fpos; |
| 97 |
|
|
| 98 |
|
#if defined(_WIN32) || defined(_WIN64) |
| 99 |
|
/* too difficult to fix this */ |
| 101 |
|
#endif |
| 102 |
|
if (mp == NULL) |
| 103 |
|
return(-1); |
| 104 |
+ |
mp->mapped = NULL; |
| 105 |
|
mp->base = NULL; |
| 106 |
|
mp->len = 0; |
| 103 |
– |
mp->mapped = 0; |
| 107 |
|
if (fp == NULL) |
| 108 |
|
return(-1); |
| 109 |
|
fd = fileno(fp); |
| 114 |
|
mp->len = (size_t)(flen - skip); |
| 115 |
|
#ifdef MAP_FILE |
| 116 |
|
if (mp->len > 1L<<20) { /* map file if > 1 MByte */ |
| 117 |
< |
mp->base = mmap(NULL, mp->len, PROT_READ, MAP_PRIVATE, fd, skip); |
| 118 |
< |
if (mp->base != MAP_FAILED) { |
| 119 |
< |
mp->mapped = 1; |
| 117 |
> |
mp->mapped = mmap(NULL, flen, PROT_READ, MAP_PRIVATE, fd, 0); |
| 118 |
> |
if (mp->mapped != MAP_FAILED) { |
| 119 |
> |
mp->base = (char *)mp->mapped + skip; |
| 120 |
|
return(1); /* mmap() success */ |
| 121 |
|
} |
| 122 |
< |
mp->base = NULL; /* fall back to reading it in... */ |
| 122 |
> |
mp->mapped = NULL; /* else fall back to reading it in... */ |
| 123 |
|
} |
| 124 |
|
#endif |
| 125 |
|
if (lseek(fd, skip, SEEK_SET) != skip || |
| 127 |
|
mp->len = 0; |
| 128 |
|
return(-1); |
| 129 |
|
} |
| 130 |
< |
if (read(fd, (char *)mp->base, mp->len) != mp->len) { |
| 131 |
< |
free_load(mp); |
| 132 |
< |
return(-1); |
| 130 |
> |
fpos = skip; |
| 131 |
> |
while (fpos < flen) { /* read() fails if n > 2 GBytes */ |
| 132 |
> |
ssize_t nread = read(fd, (char *)mp->base+(fpos-skip), |
| 133 |
> |
(flen-fpos < 1L<<24) ? flen-fpos : 1L<<24); |
| 134 |
> |
if (nread <= 0) { |
| 135 |
> |
free_load(mp); |
| 136 |
> |
return(-1); |
| 137 |
> |
} |
| 138 |
> |
fpos += nread; |
| 139 |
|
} |
| 140 |
|
return(1); |
| 141 |
|
} |
| 147 |
|
static RECINDEX * |
| 148 |
|
index_records(const MEMLOAD *mp, int nw_rec) |
| 149 |
|
{ |
| 150 |
+ |
int nall = 0; |
| 151 |
|
RECINDEX *rp; |
| 152 |
|
char *cp, *mend; |
| 153 |
|
int n; |
| 156 |
|
return(NULL); |
| 157 |
|
if (nw_rec <= 0) |
| 158 |
|
return(NULL); |
| 159 |
< |
rp = (RECINDEX *)malloc(sizeof(RECINDEX) + mp->len/(2*nw_rec)*sizeof(char *)); |
| 159 |
> |
nall = 1000; |
| 160 |
> |
rp = (RECINDEX *)malloc(sizeof(RECINDEX) + nall*sizeof(char *)); |
| 161 |
|
if (rp == NULL) |
| 162 |
|
return(NULL); |
| 163 |
|
rp->nw_rec = nw_rec; |
| 169 |
|
++cp; |
| 170 |
|
if (cp >= mend) |
| 171 |
|
break; |
| 172 |
+ |
if (rp->nrecs >= nall) { |
| 173 |
+ |
nall += nall>>1; /* get more record space */ |
| 174 |
+ |
rp = (RECINDEX *)realloc(rp, |
| 175 |
+ |
sizeof(RECINDEX) + nall*sizeof(char *)); |
| 176 |
+ |
if (rp == NULL) |
| 177 |
+ |
return(NULL); |
| 178 |
+ |
} |
| 179 |
|
rp->rec[rp->nrecs++] = cp; /* point to first non-white */ |
| 180 |
|
n = rp->nw_rec; |
| 181 |
|
while (++cp < mend) /* find end of record */ |
| 219 |
|
|
| 220 |
|
/* copy nth record from index to stdout */ |
| 221 |
|
static int |
| 222 |
< |
print_record(const RECINDEX *rp, int n) |
| 222 |
> |
print_record(const RECINDEX *rp, long n) |
| 223 |
|
{ |
| 224 |
|
int words2go = rp->nw_rec; |
| 225 |
|
char *scp; |
| 292 |
|
int transpose = 0; /* transpose rows & cols? */ |
| 293 |
|
int i_header = 1; /* input header? */ |
| 294 |
|
int o_header = 1; /* output header? */ |
| 295 |
+ |
int outArray[MAXLEVELS][2]; /* output block nesting */ |
| 296 |
+ |
int outLevels = 0; /* number of blocking levels */ |
| 297 |
|
|
| 298 |
+ |
/* parse RxCx... string */ |
| 299 |
+ |
static int |
| 300 |
+ |
get_array(const char *spec, int blklvl[][2], int nlvls) |
| 301 |
+ |
{ |
| 302 |
+ |
int n; |
| 303 |
+ |
|
| 304 |
+ |
if (nlvls <= 0) { |
| 305 |
+ |
fputs("Too many block levels!\n", stderr); |
| 306 |
+ |
exit(1); |
| 307 |
+ |
} |
| 308 |
+ |
if (sscanf(spec, "%dx%d", &blklvl[0][0], &blklvl[0][1]) != 2) { |
| 309 |
+ |
fputs("Bad block specification!\n", stderr); |
| 310 |
+ |
exit(1); |
| 311 |
+ |
} |
| 312 |
+ |
while (isdigit(*spec)) |
| 313 |
+ |
spec++; |
| 314 |
+ |
spec++; /* 'x' */ |
| 315 |
+ |
while (isdigit(*spec)) |
| 316 |
+ |
spec++; |
| 317 |
+ |
if ((*spec != 'x') & (*spec != 'X')) { |
| 318 |
+ |
if (*spec) { |
| 319 |
+ |
fputs("Blocks must be separated by 'x' or 'X'\n", stderr); |
| 320 |
+ |
exit(1); |
| 321 |
+ |
} |
| 322 |
+ |
return(1); |
| 323 |
+ |
} |
| 324 |
+ |
spec++; |
| 325 |
+ |
n = get_array(spec, blklvl+1, nlvls-1); |
| 326 |
+ |
if (!n) |
| 327 |
+ |
return(0); |
| 328 |
+ |
blklvl[0][0] *= blklvl[1][0]; |
| 329 |
+ |
blklvl[0][1] *= blklvl[1][1]; |
| 330 |
+ |
return(n+1); |
| 331 |
+ |
} |
| 332 |
+ |
|
| 333 |
|
/* check settings and assign defaults */ |
| 334 |
|
static int |
| 335 |
|
check_sizes() |
| 359 |
|
return(1); |
| 360 |
|
} |
| 361 |
|
|
| 362 |
< |
/* output transposed ASCII or binary data from memory */ |
| 362 |
> |
/* call to compute block input position */ |
| 363 |
> |
static long |
| 364 |
> |
get_block_pos(int r, int c, int blklvl[][2], int nlvls) |
| 365 |
> |
{ |
| 366 |
> |
long n = 0; |
| 367 |
> |
|
| 368 |
> |
while (nlvls > 1) { |
| 369 |
> |
int sr = r/blklvl[1][0]; |
| 370 |
> |
int sc = c/blklvl[1][1]; |
| 371 |
> |
r -= sr*blklvl[1][0]; |
| 372 |
> |
c -= sc*blklvl[1][1]; |
| 373 |
> |
n += sr*blklvl[1][0]*blklvl[0][1] + sc*blklvl[1][0]*blklvl[1][1]; |
| 374 |
> |
blklvl++; |
| 375 |
> |
nlvls--; |
| 376 |
> |
} |
| 377 |
> |
n += r*blklvl[0][1] + c; |
| 378 |
> |
return(n); |
| 379 |
> |
} |
| 380 |
> |
|
| 381 |
> |
/* return input offset based on array ordering and transpose option */ |
| 382 |
> |
static long |
| 383 |
> |
get_input_pos(int r, int c) |
| 384 |
> |
{ |
| 385 |
> |
long n; |
| 386 |
> |
|
| 387 |
> |
if (outLevels > 1) { /* block reordering */ |
| 388 |
> |
n = get_block_pos(r, c, outArray, outLevels); |
| 389 |
> |
if (transpose) { |
| 390 |
> |
r = n/ni_rows; |
| 391 |
> |
c = n - r*ni_rows; |
| 392 |
> |
n = (long)c*ni_columns + r; |
| 393 |
> |
} |
| 394 |
> |
} else if (transpose) /* transpose only */ |
| 395 |
> |
n = (long)c*ni_columns + r; |
| 396 |
> |
else /* XXX should never happen! */ |
| 397 |
> |
n = (long)r*no_columns + c; |
| 398 |
> |
return(n); |
| 399 |
> |
} |
| 400 |
> |
|
| 401 |
> |
/* output reordered ASCII or binary data from memory */ |
| 402 |
|
static int |
| 403 |
< |
do_transpose(const MEMLOAD *mp) |
| 403 |
> |
do_reorder(const MEMLOAD *mp) |
| 404 |
|
{ |
| 405 |
|
static const char tabEOL[2] = {'\t','\n'}; |
| 406 |
|
RECINDEX *rp = NULL; |
| 421 |
|
} else if ((ni_rows > 0) & (ni_columns > 0)) { |
| 422 |
|
nrecords = ni_rows*ni_columns; |
| 423 |
|
if (nrecords > mp->len/(n_comp*comp_size)) { |
| 424 |
< |
fprintf(stderr, |
| 425 |
< |
"Input too small for specified size and type\n"); |
| 424 |
> |
fputs("Input too small for specified size and type\n", |
| 425 |
> |
stderr); |
| 426 |
|
return(0); |
| 427 |
|
} |
| 428 |
|
} else |
| 434 |
|
ni_columns = nrecords/ni_rows; |
| 435 |
|
if (nrecords != ni_rows*ni_columns) |
| 436 |
|
goto badspec; |
| 437 |
< |
if (no_columns <= 0) |
| 438 |
< |
no_columns = ni_rows; |
| 439 |
< |
if (no_rows <= 0) |
| 440 |
< |
no_rows = ni_columns; |
| 441 |
< |
if ((no_rows != ni_columns) | (no_columns != ni_rows)) |
| 442 |
< |
goto badspec; |
| 443 |
< |
/* transpose records */ |
| 437 |
> |
if (transpose) { |
| 438 |
> |
if (no_columns <= 0) |
| 439 |
> |
no_columns = ni_rows; |
| 440 |
> |
if (no_rows <= 0) |
| 441 |
> |
no_rows = ni_columns; |
| 442 |
> |
if (outLevels <= 1 && |
| 443 |
> |
(no_rows != ni_columns) | (no_columns != ni_rows)) |
| 444 |
> |
goto badspec; |
| 445 |
> |
} else { |
| 446 |
> |
if (no_columns <= 0) |
| 447 |
> |
no_columns = ni_columns; |
| 448 |
> |
if (no_rows <= 0) |
| 449 |
> |
no_rows = ni_rows; |
| 450 |
> |
} |
| 451 |
> |
if (ni_rows*ni_columns != no_rows*no_columns) { |
| 452 |
> |
fputs("Number of input and output records do not match\n", |
| 453 |
> |
stderr); |
| 454 |
> |
return(0); |
| 455 |
> |
} |
| 456 |
> |
/* reorder records */ |
| 457 |
|
for (i = 0; i < no_rows; i++) { |
| 458 |
< |
for (j = 0; j < no_columns; j++) |
| 458 |
> |
for (j = 0; j < no_columns; j++) { |
| 459 |
> |
long n = get_input_pos(i, j); |
| 460 |
> |
if (n >= nrecords) { |
| 461 |
> |
fputs("Index past end-of-file\n", stderr); |
| 462 |
> |
return(0); |
| 463 |
> |
} |
| 464 |
|
if (rp != NULL) { /* ASCII output */ |
| 465 |
< |
print_record(rp, j*ni_columns + i); |
| 465 |
> |
print_record(rp, n); |
| 466 |
|
putc(tabEOL[j >= no_columns-1], stdout); |
| 467 |
|
} else { /* binary output */ |
| 468 |
< |
fwrite((char *)mp->base + |
| 469 |
< |
(n_comp*comp_size)*(j*ni_columns + i), |
| 358 |
< |
n_comp*comp_size, 1, stdout); |
| 468 |
> |
putbinary((char *)mp->base + (n_comp*comp_size)*n, |
| 469 |
> |
comp_size, n_comp, stdout); |
| 470 |
|
} |
| 471 |
+ |
} |
| 472 |
|
if (ferror(stdout)) { |
| 473 |
|
fprintf(stderr, "Error writing to stdout\n"); |
| 474 |
|
return(0); |
| 478 |
|
free_records(rp); |
| 479 |
|
return(1); |
| 480 |
|
badspec: |
| 481 |
< |
fprintf(stderr, "Bad transpose specification -- check dimension(s)\n"); |
| 481 |
> |
fprintf(stderr, "Bad dimension(s)\n"); |
| 482 |
|
return(0); |
| 483 |
|
} |
| 484 |
|
|
| 544 |
|
static int |
| 545 |
|
headline(char *s, void *p) |
| 546 |
|
{ |
| 547 |
< |
static char fmt[32]; |
| 547 |
> |
static char fmt[MAXFMTLEN]; |
| 548 |
|
int n; |
| 549 |
|
|
| 550 |
|
if (formatval(fmt, s)) { |
| 610 |
|
no_columns = atoi(argv[++a]); |
| 611 |
|
else if (argv[a][2] == 'r') |
| 612 |
|
no_rows = atoi(argv[++a]); |
| 613 |
< |
else |
| 613 |
> |
else if (argv[a][2] || |
| 614 |
> |
!(outLevels=get_array(argv[++a], outArray, MAXLEVELS))) |
| 615 |
|
goto userr; |
| 616 |
|
break; |
| 617 |
|
case 'h': /* turn off header */ |
| 672 |
|
} |
| 673 |
|
if (a < argc-1) /* arg count OK? */ |
| 674 |
|
goto userr; |
| 675 |
+ |
if (outLevels) { /* should check consistency? */ |
| 676 |
+ |
no_rows = outArray[0][0]; |
| 677 |
+ |
no_columns = outArray[0][1]; |
| 678 |
+ |
} |
| 679 |
|
/* open input file? */ |
| 680 |
|
if (a == argc-1 && freopen(argv[a], "r", stdin) == NULL) { |
| 681 |
|
fprintf(stderr, "%s: cannot open for reading\n", argv[a]); |
| 686 |
|
SET_FILE_BINARY(stdout); |
| 687 |
|
} |
| 688 |
|
/* check for no-op */ |
| 689 |
< |
if (!transpose & (i_header == o_header) && |
| 689 |
> |
if (!transpose & (outLevels <= 1) & (i_header == o_header) && |
| 690 |
|
(no_columns == ni_columns) & (no_rows == ni_rows)) { |
| 691 |
|
if (warnings) |
| 692 |
|
fprintf(stderr, "%s: no-op -- copying input verbatim\n", |
| 706 |
|
} |
| 707 |
|
} else if (!check_sizes()) |
| 708 |
|
return(1); |
| 709 |
< |
if (o_header) { /* write header */ |
| 709 |
> |
if (o_header) { /* write/add to header */ |
| 710 |
> |
if (!i_header) |
| 711 |
> |
newheader("RADIANCE", stdout); |
| 712 |
|
printargs(a, argv, stdout); |
| 713 |
|
if (no_rows > 0) |
| 714 |
|
printf("NROWS=%d\n", no_rows); |
| 718 |
|
fputformat(fmtid, stdout); |
| 719 |
|
fputc('\n', stdout); /* finish new header */ |
| 720 |
|
} |
| 721 |
< |
if (transpose) { /* transposing rows & columns? */ |
| 721 |
> |
if (transpose | (outLevels > 1)) { /* moving stuff around? */ |
| 722 |
|
MEMLOAD myMem; /* need to map into memory */ |
| 723 |
|
if (a == argc-1) { |
| 724 |
|
if (load_file(&myMem, stdin) <= 0) { |
| 731 |
|
argv[0]); |
| 732 |
|
return(1); |
| 733 |
|
} |
| 734 |
< |
if (!do_transpose(&myMem)) |
| 734 |
> |
if (!do_reorder(&myMem)) |
| 735 |
|
return(1); |
| 736 |
|
/* free_load(&myMem); about to exit, so don't bother */ |
| 737 |
|
} else if (!do_resize(stdin)) /* reshaping input */ |
| 739 |
|
return(0); |
| 740 |
|
userr: |
| 741 |
|
fprintf(stderr, |
| 742 |
< |
"Usage: %s [-h[io]][-w][-f[afdb][N]][-t][-ic in_col][-ir in_row][-oc out_col][-or out_row] [input.dat]\n", |
| 742 |
> |
"Usage: %s [-h[io]][-w][-f[afdb][N]][-t][-ic in_col][-ir in_row][-oc out_col][-or out_row][-o RxC[xR1xC1..]] [input.dat]\n", |
| 743 |
|
argv[0]); |
| 744 |
|
return(1); |
| 745 |
|
} |