| 57 |
|
mp->len = 0; |
| 58 |
|
} |
| 59 |
|
|
| 60 |
+ |
/* load memory from an input stream, starting from current position */ |
| 61 |
+ |
static int |
| 62 |
+ |
load_stream(MEMLOAD *mp, FILE *fp) |
| 63 |
+ |
{ |
| 64 |
+ |
size_t alloced = 0; |
| 65 |
+ |
char buf[8192]; |
| 66 |
+ |
size_t nr; |
| 67 |
+ |
|
| 68 |
+ |
if (mp == NULL) |
| 69 |
+ |
return(-1); |
| 70 |
+ |
mp->base = NULL; |
| 71 |
+ |
mp->len = 0; |
| 72 |
+ |
mp->mapped = 0; |
| 73 |
+ |
if (fp == NULL) |
| 74 |
+ |
return(-1); |
| 75 |
+ |
while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) { |
| 76 |
+ |
if (!alloced) |
| 77 |
+ |
mp->base = malloc(alloced = nr); |
| 78 |
+ |
else if (mp->len+nr > alloced) |
| 79 |
+ |
mp->base = realloc(mp->base, |
| 80 |
+ |
alloced = alloced*(2+(nr==sizeof(buf)))/2+nr); |
| 81 |
+ |
if (mp->base == NULL) |
| 82 |
+ |
return(-1); |
| 83 |
+ |
memcpy((char *)mp->base + mp->len, buf, nr); |
| 84 |
+ |
mp->len += nr; |
| 85 |
+ |
} |
| 86 |
+ |
if (ferror(fp)) { |
| 87 |
+ |
free_load(mp); |
| 88 |
+ |
return(-1); |
| 89 |
+ |
} |
| 90 |
+ |
if (alloced > mp->len*5/4) /* don't waste too much space */ |
| 91 |
+ |
mp->base = realloc(mp->base, mp->len); |
| 92 |
+ |
return(mp->len > 0); |
| 93 |
+ |
} |
| 94 |
+ |
|
| 95 |
|
/* load a file into memory */ |
| 96 |
|
static int |
| 97 |
|
load_file(MEMLOAD *mp, FILE *fp) |
| 99 |
|
int fd; |
| 100 |
|
off_t skip, flen; |
| 101 |
|
|
| 102 |
+ |
#ifdef _WIN32 /* too difficult to fix this */ |
| 103 |
+ |
return load_stream(mp, fp); |
| 104 |
+ |
#endif |
| 105 |
|
if (mp == NULL) |
| 106 |
|
return(-1); |
| 107 |
|
mp->base = NULL; |
| 137 |
|
return(1); |
| 138 |
|
} |
| 139 |
|
|
| 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 |
– |
|
| 140 |
|
/* free a record index */ |
| 141 |
|
#define free_records(rp) free(rp) |
| 142 |
|
|
| 277 |
|
int ni_rows = 0; /* number of input rows */ |
| 278 |
|
int no_columns = 0; /* number of output columns */ |
| 279 |
|
int no_rows = 0; /* number of output rows */ |
| 280 |
+ |
int transpose = 0; /* transpose rows & cols? */ |
| 281 |
+ |
int i_header = 1; /* input header? */ |
| 282 |
+ |
int o_header = 1; /* output header? */ |
| 283 |
|
|
| 284 |
|
/* check settings and assign defaults */ |
| 285 |
|
static int |
| 299 |
|
return(0); |
| 300 |
|
} |
| 301 |
|
} |
| 302 |
+ |
if (transpose && (no_rows <= 0) & (no_columns <= 0)) { |
| 303 |
+ |
if (ni_rows > 0) no_columns = ni_rows; |
| 304 |
+ |
if (ni_columns > 0) no_rows = ni_columns; |
| 305 |
+ |
} else if ((no_rows <= 0) & (no_columns > 0) && |
| 306 |
+ |
!((ni_rows*ni_columns) % no_columns)) |
| 307 |
+ |
no_rows = ni_rows*ni_columns/no_columns; |
| 308 |
|
if (n_comp <= 0) |
| 309 |
|
n_comp = 3; |
| 310 |
|
return(1); |
| 384 |
|
int columns2go = no_columns; |
| 385 |
|
char word[256]; |
| 386 |
|
/* sanity checks */ |
| 387 |
< |
if (comp_size) |
| 388 |
< |
return(output_stream(fp)); /* binary data -- just copy */ |
| 387 |
> |
if (comp_size || (no_columns == ni_columns) & (no_rows == ni_rows)) |
| 388 |
> |
return(output_stream(fp)); /* no-op -- just copy */ |
| 389 |
|
if (no_columns <= 0) { |
| 390 |
|
fprintf(stderr, "Missing -oc specification\n"); |
| 391 |
|
return(0); |
| 478 |
|
n_comp = n; |
| 479 |
|
return(0); |
| 480 |
|
} |
| 481 |
< |
fputs(s, stdout); /* copy header info. */ |
| 481 |
> |
if (o_header) |
| 482 |
> |
fputs(s, stdout); /* copy header info. */ |
| 483 |
|
return(0); |
| 484 |
|
} |
| 485 |
|
|
| 487 |
|
int |
| 488 |
|
main(int argc, char *argv[]) |
| 489 |
|
{ |
| 477 |
– |
int i_header = 1; /* input header? */ |
| 478 |
– |
int o_header = 1; /* output header? */ |
| 479 |
– |
int transpose = 0; /* transpose rows & cols? */ |
| 490 |
|
int a; |
| 491 |
|
|
| 492 |
|
for (a = 1; a < argc && argv[a][0] == '-'; a++) |
| 575 |
|
SET_FILE_BINARY(stdout); |
| 576 |
|
} |
| 577 |
|
/* check for no-op */ |
| 578 |
< |
if (!transpose & (i_header == o_header) && (comp_size || |
| 579 |
< |
(no_columns == ni_columns) & (no_rows == ni_rows))) { |
| 578 |
> |
if (!transpose & (i_header == o_header) && |
| 579 |
> |
(no_columns == ni_columns) & (no_rows == ni_rows)) { |
| 580 |
|
if (warnings) |
| 581 |
|
fprintf(stderr, "%s: no-op -- copying input verbatim\n", |
| 582 |
|
argv[0]); |
| 597 |
|
return(1); |
| 598 |
|
if (o_header) { /* write header */ |
| 599 |
|
printargs(a, argv, stdout); |
| 590 |
– |
if (transpose && (no_rows <= 0) & (no_columns <= 0)) { |
| 591 |
– |
if (ni_rows > 0) no_columns = ni_rows; |
| 592 |
– |
if (ni_columns > 0) no_rows = ni_columns; |
| 593 |
– |
} |
| 600 |
|
if (no_rows > 0) |
| 601 |
|
printf("NROWS=%d\n", no_rows); |
| 602 |
|
if (no_columns > 0) |
| 606 |
|
fputc('\n', stdout); /* finish new header */ |
| 607 |
|
} |
| 608 |
|
if (transpose) { /* transposing rows & columns? */ |
| 609 |
< |
MEMLOAD myMem; /* need to load into memory */ |
| 609 |
> |
MEMLOAD myMem; /* need to map into memory */ |
| 610 |
|
if (a == argc-1) { |
| 611 |
|
if (load_file(&myMem, stdin) <= 0) { |
| 612 |
|
fprintf(stderr, "%s: error loading file into memory\n", |
| 620 |
|
} |
| 621 |
|
if (!do_transpose(&myMem)) |
| 622 |
|
return(1); |
| 623 |
< |
/* free_load(&myMem); */ |
| 624 |
< |
} else if (!do_resize(stdin)) /* just reshaping input */ |
| 623 |
> |
/* free_load(&myMem); about to exit, so don't bother */ |
| 624 |
> |
} else if (!do_resize(stdin)) /* reshaping input */ |
| 625 |
|
return(1); |
| 626 |
|
return(0); |
| 627 |
|
userr: |