| 20 |
|
#include <sys/mman.h> |
| 21 |
|
#endif |
| 22 |
|
|
| 23 |
– |
#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
| 24 |
– |
#undef getc |
| 25 |
– |
#undef putc |
| 26 |
– |
#define getc getc_unlocked |
| 27 |
– |
#define putc putc_unlocked |
| 28 |
– |
#endif |
| 29 |
– |
|
| 23 |
|
typedef struct { |
| 24 |
|
void *base; /* pointer to base memory */ |
| 25 |
|
size_t len; /* allocated memory length */ |
| 50 |
|
mp->len = 0; |
| 51 |
|
} |
| 52 |
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|
| 53 |
+ |
/* load memory from an input stream, starting from current position */ |
| 54 |
+ |
static int |
| 55 |
+ |
load_stream(MEMLOAD *mp, FILE *fp) |
| 56 |
+ |
{ |
| 57 |
+ |
size_t alloced = 0; |
| 58 |
+ |
char buf[8192]; |
| 59 |
+ |
size_t nr; |
| 60 |
+ |
|
| 61 |
+ |
if (mp == NULL) |
| 62 |
+ |
return(-1); |
| 63 |
+ |
mp->base = NULL; |
| 64 |
+ |
mp->len = 0; |
| 65 |
+ |
mp->mapped = 0; |
| 66 |
+ |
if (fp == NULL) |
| 67 |
+ |
return(-1); |
| 68 |
+ |
while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) { |
| 69 |
+ |
if (!alloced) |
| 70 |
+ |
mp->base = malloc(alloced = nr); |
| 71 |
+ |
else if (mp->len+nr > alloced) |
| 72 |
+ |
mp->base = realloc(mp->base, |
| 73 |
+ |
alloced = alloced*(2+(nr==sizeof(buf)))/2+nr); |
| 74 |
+ |
if (mp->base == NULL) |
| 75 |
+ |
return(-1); |
| 76 |
+ |
memcpy((char *)mp->base + mp->len, buf, nr); |
| 77 |
+ |
mp->len += nr; |
| 78 |
+ |
} |
| 79 |
+ |
if (ferror(fp)) { |
| 80 |
+ |
free_load(mp); |
| 81 |
+ |
return(-1); |
| 82 |
+ |
} |
| 83 |
+ |
if (alloced > mp->len*5/4) /* don't waste too much space */ |
| 84 |
+ |
mp->base = realloc(mp->base, mp->len); |
| 85 |
+ |
return(mp->len > 0); |
| 86 |
+ |
} |
| 87 |
+ |
|
| 88 |
|
/* load a file into memory */ |
| 89 |
|
static int |
| 90 |
|
load_file(MEMLOAD *mp, FILE *fp) |
| 92 |
|
int fd; |
| 93 |
|
off_t skip, flen; |
| 94 |
|
|
| 95 |
+ |
#ifdef _WIN32 /* too difficult to fix this */ |
| 96 |
+ |
return load_stream(mp, fp); |
| 97 |
+ |
#endif |
| 98 |
|
if (mp == NULL) |
| 99 |
|
return(-1); |
| 100 |
|
mp->base = NULL; |
| 130 |
|
return(1); |
| 131 |
|
} |
| 132 |
|
|
| 102 |
– |
/* load memory from an input stream, starting from current position */ |
| 103 |
– |
static int |
| 104 |
– |
load_stream(MEMLOAD *mp, FILE *fp) |
| 105 |
– |
{ |
| 106 |
– |
size_t alloced = 0; |
| 107 |
– |
char buf[8192]; |
| 108 |
– |
size_t nr; |
| 109 |
– |
|
| 110 |
– |
if (mp == NULL) |
| 111 |
– |
return(-1); |
| 112 |
– |
mp->base = NULL; |
| 113 |
– |
mp->len = 0; |
| 114 |
– |
mp->mapped = 0; |
| 115 |
– |
if (fp == NULL) |
| 116 |
– |
return(-1); |
| 117 |
– |
while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) { |
| 118 |
– |
if (!alloced) |
| 119 |
– |
mp->base = malloc(nr); |
| 120 |
– |
else if (mp->len+nr > alloced) |
| 121 |
– |
mp->base = realloc(mp->base, |
| 122 |
– |
alloced = alloced*(2+(nr==sizeof(buf)))/2+nr); |
| 123 |
– |
if (mp->base == NULL) |
| 124 |
– |
return(-1); |
| 125 |
– |
memcpy((char *)mp->base + mp->len, buf, nr); |
| 126 |
– |
mp->len += nr; |
| 127 |
– |
} |
| 128 |
– |
if (ferror(fp)) { |
| 129 |
– |
free_load(mp); |
| 130 |
– |
return(-1); |
| 131 |
– |
} |
| 132 |
– |
if (alloced > mp->len*5/4) /* don't waste too much space */ |
| 133 |
– |
mp->base = realloc(mp->base, mp->len); |
| 134 |
– |
return(mp->len > 0); |
| 135 |
– |
} |
| 136 |
– |
|
| 133 |
|
/* free a record index */ |
| 134 |
|
#define free_records(rp) free(rp) |
| 135 |
|
|
| 270 |
|
int ni_rows = 0; /* number of input rows */ |
| 271 |
|
int no_columns = 0; /* number of output columns */ |
| 272 |
|
int no_rows = 0; /* number of output rows */ |
| 273 |
+ |
int transpose = 0; /* transpose rows & cols? */ |
| 274 |
+ |
int i_header = 1; /* input header? */ |
| 275 |
+ |
int o_header = 1; /* output header? */ |
| 276 |
|
|
| 277 |
|
/* check settings and assign defaults */ |
| 278 |
|
static int |
| 287 |
|
comp_size = sizeof(double); |
| 288 |
|
else if (!strcmp(fmtid, "byte")) |
| 289 |
|
comp_size = 1; |
| 290 |
< |
else { |
| 290 |
> |
else if (strcmp(fmtid, "ascii")) { |
| 291 |
|
fprintf(stderr, "Unsupported format: %s\n", fmtid); |
| 292 |
|
return(0); |
| 293 |
|
} |
| 294 |
|
} |
| 295 |
+ |
if (transpose && (no_rows <= 0) & (no_columns <= 0)) { |
| 296 |
+ |
if (ni_rows > 0) no_columns = ni_rows; |
| 297 |
+ |
if (ni_columns > 0) no_rows = ni_columns; |
| 298 |
+ |
} else if ((no_rows <= 0) & (no_columns > 0) && |
| 299 |
+ |
!((ni_rows*ni_columns) % no_columns)) |
| 300 |
+ |
no_rows = ni_rows*ni_columns/no_columns; |
| 301 |
|
if (n_comp <= 0) |
| 302 |
|
n_comp = 3; |
| 303 |
|
return(1); |
| 377 |
|
int columns2go = no_columns; |
| 378 |
|
char word[256]; |
| 379 |
|
/* sanity checks */ |
| 380 |
< |
if (comp_size) |
| 381 |
< |
return(output_stream(fp)); /* binary data -- just copy */ |
| 380 |
> |
if (comp_size || (no_columns == ni_columns) & (no_rows == ni_rows)) |
| 381 |
> |
return(output_stream(fp)); /* no-op -- just copy */ |
| 382 |
|
if (no_columns <= 0) { |
| 383 |
|
fprintf(stderr, "Missing -oc specification\n"); |
| 384 |
|
return(0); |
| 465 |
|
if (!strncmp(s, "NCOMP=", 6)) { |
| 466 |
|
n = atoi(s+6); |
| 467 |
|
if ((n_comp > 0) & (n != n_comp)) { |
| 468 |
< |
fputs("Incorrect number of components", stderr); |
| 468 |
> |
fputs("Incorrect number of components\n", stderr); |
| 469 |
|
return(-1); |
| 470 |
|
} |
| 471 |
|
n_comp = n; |
| 472 |
|
return(0); |
| 473 |
|
} |
| 474 |
< |
fputs(s, stdout); /* copy header info. */ |
| 474 |
> |
if (o_header) |
| 475 |
> |
fputs(s, stdout); /* copy header info. */ |
| 476 |
|
return(0); |
| 477 |
|
} |
| 478 |
|
|
| 480 |
|
int |
| 481 |
|
main(int argc, char *argv[]) |
| 482 |
|
{ |
| 483 |
< |
int i_header = 1; /* input header? */ |
| 478 |
< |
int o_header = 1; /* output header? */ |
| 479 |
< |
int transpose = 0; /* transpose rows & cols? */ |
| 480 |
< |
int i; |
| 483 |
> |
int a; |
| 484 |
|
|
| 485 |
< |
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 486 |
< |
switch (argv[i][1]) { |
| 485 |
> |
for (a = 1; a < argc && argv[a][0] == '-'; a++) |
| 486 |
> |
switch (argv[a][1]) { |
| 487 |
|
case 'i': /* input */ |
| 488 |
< |
if (argv[i][2] == 'c') /* columns */ |
| 489 |
< |
ni_columns = atoi(argv[++i]); |
| 490 |
< |
else if (argv[i][2] == 'r') |
| 491 |
< |
ni_rows = atoi(argv[++i]); |
| 488 |
> |
if (argv[a][2] == 'c') /* columns */ |
| 489 |
> |
ni_columns = atoi(argv[++a]); |
| 490 |
> |
else if (argv[a][2] == 'r') |
| 491 |
> |
ni_rows = atoi(argv[++a]); |
| 492 |
|
else |
| 493 |
|
goto userr; |
| 494 |
|
break; |
| 495 |
|
case 'o': /* output */ |
| 496 |
< |
if (argv[i][2] == 'c') /* columns */ |
| 497 |
< |
no_columns = atoi(argv[++i]); |
| 498 |
< |
else if (argv[i][2] == 'r') |
| 499 |
< |
no_rows = atoi(argv[++i]); |
| 496 |
> |
if (argv[a][2] == 'c') /* columns */ |
| 497 |
> |
no_columns = atoi(argv[++a]); |
| 498 |
> |
else if (argv[a][2] == 'r') |
| 499 |
> |
no_rows = atoi(argv[++a]); |
| 500 |
|
else |
| 501 |
|
goto userr; |
| 502 |
|
break; |
| 503 |
|
case 'h': /* turn off header */ |
| 504 |
< |
switch (argv[i][2]) { |
| 504 |
> |
switch (argv[a][2]) { |
| 505 |
|
case 'i': |
| 506 |
|
i_header = 0; |
| 507 |
|
break; |
| 519 |
|
transpose = !transpose; |
| 520 |
|
break; |
| 521 |
|
case 'f': /* format */ |
| 522 |
< |
switch (argv[i][2]) { |
| 522 |
> |
switch (argv[a][2]) { |
| 523 |
|
case 'a': /* ASCII */ |
| 524 |
|
case 'A': |
| 525 |
|
fmtid = "ascii"; |
| 543 |
|
default: |
| 544 |
|
goto userr; |
| 545 |
|
} |
| 546 |
< |
if (argv[i][3]) { |
| 547 |
< |
if (!isdigit(argv[i][3])) |
| 546 |
> |
if (argv[a][3]) { |
| 547 |
> |
if (!isdigit(argv[a][3])) |
| 548 |
|
goto userr; |
| 549 |
< |
n_comp = atoi(argv[i]+3); |
| 550 |
< |
} |
| 549 |
> |
n_comp = atoi(argv[a]+3); |
| 550 |
> |
} else |
| 551 |
> |
n_comp = 1; |
| 552 |
|
break; |
| 553 |
|
case 'w': /* warnings on/off */ |
| 554 |
|
warnings = !warnings; |
| 556 |
|
default: |
| 557 |
|
goto userr; |
| 558 |
|
} |
| 559 |
< |
if (i < argc-1) /* arg count OK? */ |
| 559 |
> |
if (a < argc-1) /* arg count OK? */ |
| 560 |
|
goto userr; |
| 561 |
|
/* open input file? */ |
| 562 |
< |
if (i == argc-1 && freopen(argv[i], "r", stdin) == NULL) { |
| 563 |
< |
fprintf(stderr, "%s: cannot open for reading\n", argv[i]); |
| 562 |
> |
if (a == argc-1 && freopen(argv[a], "r", stdin) == NULL) { |
| 563 |
> |
fprintf(stderr, "%s: cannot open for reading\n", argv[a]); |
| 564 |
|
return(1); |
| 565 |
|
} |
| 566 |
|
if (comp_size) { |
| 568 |
|
SET_FILE_BINARY(stdout); |
| 569 |
|
} |
| 570 |
|
/* check for no-op */ |
| 571 |
< |
if (!transpose & (i_header == o_header) && (comp_size || |
| 572 |
< |
(no_columns == ni_columns) & (no_rows == ni_rows))) { |
| 571 |
> |
if (!transpose & (i_header == o_header) && |
| 572 |
> |
(no_columns == ni_columns) & (no_rows == ni_rows)) { |
| 573 |
|
if (warnings) |
| 574 |
|
fprintf(stderr, "%s: no-op -- copying input verbatim\n", |
| 575 |
|
argv[0]); |
| 578 |
|
return(0); |
| 579 |
|
} |
| 580 |
|
if (i_header) { /* read header */ |
| 581 |
< |
if (getheader(stdin, &headline, NULL) < 0) |
| 581 |
> |
if (getheader(stdin, headline, NULL) < 0) |
| 582 |
|
return(1); |
| 583 |
|
if (!check_sizes()) |
| 584 |
|
return(1); |
| 589 |
|
} else if (!check_sizes()) |
| 590 |
|
return(1); |
| 591 |
|
if (o_header) { /* write header */ |
| 592 |
< |
printargs(argc, argv, stdout); |
| 589 |
< |
if (transpose && (no_rows <= 0) & (no_columns <= 0)) { |
| 590 |
< |
if (ni_rows > 0) no_columns = ni_rows; |
| 591 |
< |
if (ni_columns > 0) no_rows = ni_columns; |
| 592 |
< |
} |
| 592 |
> |
printargs(a, argv, stdout); |
| 593 |
|
if (no_rows > 0) |
| 594 |
|
printf("NROWS=%d\n", no_rows); |
| 595 |
|
if (no_columns > 0) |
| 599 |
|
fputc('\n', stdout); /* finish new header */ |
| 600 |
|
} |
| 601 |
|
if (transpose) { /* transposing rows & columns? */ |
| 602 |
< |
MEMLOAD myMem; /* need to load into memory */ |
| 603 |
< |
if (i == argc-1) { |
| 602 |
> |
MEMLOAD myMem; /* need to map into memory */ |
| 603 |
> |
if (a == argc-1) { |
| 604 |
|
if (load_file(&myMem, stdin) <= 0) { |
| 605 |
|
fprintf(stderr, "%s: error loading file into memory\n", |
| 606 |
< |
argv[i]); |
| 606 |
> |
argv[a]); |
| 607 |
|
return(1); |
| 608 |
|
} |
| 609 |
|
} else if (load_stream(&myMem, stdin) <= 0) { |
| 613 |
|
} |
| 614 |
|
if (!do_transpose(&myMem)) |
| 615 |
|
return(1); |
| 616 |
< |
/* free_load(&myMem); */ |
| 617 |
< |
} else if (!do_resize(stdin)) /* just reshaping input */ |
| 616 |
> |
/* free_load(&myMem); about to exit, so don't bother */ |
| 617 |
> |
} else if (!do_resize(stdin)) /* reshaping input */ |
| 618 |
|
return(1); |
| 619 |
|
return(0); |
| 620 |
|
userr: |