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root/radiance/ray/src/util/rcollate.c
Revision: 2.34
Committed: Fri Nov 8 22:12:33 2019 UTC (4 years, 4 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.33: +6 -5 lines
Log Message:
Bug fixes in -o option

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.34 static const char RCSid[] = "$Id: rcollate.c,v 2.33 2019/11/08 16:36:36 greg Exp $";
3 greg 2.1 #endif
4     /*
5     * Utility to re-order records in a binary or ASCII data file (matrix)
6     */
7    
8     #include <stdlib.h>
9     #include <string.h>
10     #include <ctype.h>
11     #include "platform.h"
12     #include "rtio.h"
13     #include "resolu.h"
14 schorsch 2.23 #if defined(_WIN32) || defined(_WIN64)
15     #undef ftello
16     #define ftello ftell
17     #undef ssize_t
18     #define ssize_t size_t
19 greg 2.7 #else
20 schorsch 2.23 #include <sys/mman.h>
21 greg 2.1 #endif
22    
23 greg 2.31 #define MAXLEVELS 16 /* max RxC.. block pairs */
24    
25 greg 2.1 typedef struct {
26 greg 2.29 void *mapped; /* memory-mapped pointer */
27 greg 2.1 void *base; /* pointer to base memory */
28     size_t len; /* allocated memory length */
29     } MEMLOAD; /* file loaded/mapped into memory */
30    
31     typedef struct {
32     int nw_rec; /* number of words per record */
33 greg 2.31 long nrecs; /* number of records we found */
34 greg 2.1 char *rec[1]; /* record array (extends struct) */
35     } RECINDEX;
36    
37 greg 2.4 int warnings = 1; /* report warnings? */
38    
39 greg 2.1 /* free loaded file */
40     static void
41     free_load(MEMLOAD *mp)
42     {
43     if (mp == NULL || (mp->base == NULL) | (mp->len <= 0))
44     return;
45     #ifdef MAP_FILE
46     if (mp->mapped)
47 greg 2.29 munmap(mp->mapped, mp->len);
48 greg 2.1 else
49     #endif
50     free(mp->base);
51 greg 2.29 mp->mapped = NULL;
52 greg 2.1 mp->base = NULL;
53     mp->len = 0;
54     }
55    
56 greg 2.20 /* load memory from an input stream, starting from current position */
57     static int
58     load_stream(MEMLOAD *mp, FILE *fp)
59     {
60     size_t alloced = 0;
61     char buf[8192];
62     size_t nr;
63    
64     if (mp == NULL)
65     return(-1);
66 greg 2.29 mp->mapped = NULL;
67 greg 2.20 mp->base = NULL;
68     mp->len = 0;
69     if (fp == NULL)
70     return(-1);
71     while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) {
72     if (!alloced)
73 greg 2.21 mp->base = malloc(alloced = nr);
74 greg 2.20 else if (mp->len+nr > alloced)
75     mp->base = realloc(mp->base,
76     alloced = alloced*(2+(nr==sizeof(buf)))/2+nr);
77     if (mp->base == NULL)
78     return(-1);
79     memcpy((char *)mp->base + mp->len, buf, nr);
80     mp->len += nr;
81     }
82     if (ferror(fp)) {
83     free_load(mp);
84     return(-1);
85     }
86     if (alloced > mp->len*5/4) /* don't waste too much space */
87     mp->base = realloc(mp->base, mp->len);
88     return(mp->len > 0);
89     }
90    
91 greg 2.1 /* load a file into memory */
92     static int
93     load_file(MEMLOAD *mp, FILE *fp)
94     {
95     int fd;
96 greg 2.28 off_t skip, flen, fpos;
97 greg 2.1
98 schorsch 2.23 #if defined(_WIN32) || defined(_WIN64)
99     /* too difficult to fix this */
100 greg 2.20 return load_stream(mp, fp);
101     #endif
102 greg 2.1 if (mp == NULL)
103     return(-1);
104 greg 2.29 mp->mapped = NULL;
105 greg 2.1 mp->base = NULL;
106     mp->len = 0;
107     if (fp == NULL)
108     return(-1);
109     fd = fileno(fp);
110     skip = ftello(fp);
111     flen = lseek(fd, 0, SEEK_END);
112     if (flen <= skip)
113     return((int)(flen - skip));
114     mp->len = (size_t)(flen - skip);
115     #ifdef MAP_FILE
116     if (mp->len > 1L<<20) { /* map file if > 1 MByte */
117 greg 2.29 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 greg 2.1 return(1); /* mmap() success */
121     }
122 greg 2.29 mp->mapped = NULL; /* else fall back to reading it in... */
123 greg 2.1 }
124     #endif
125     if (lseek(fd, skip, SEEK_SET) != skip ||
126     (mp->base = malloc(mp->len)) == NULL) {
127     mp->len = 0;
128     return(-1);
129     }
130 greg 2.28 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 greg 2.27 if (nread <= 0) {
135     free_load(mp);
136     return(-1);
137     }
138 greg 2.28 fpos += nread;
139 greg 2.1 }
140     return(1);
141     }
142    
143     /* free a record index */
144     #define free_records(rp) free(rp)
145    
146     /* compute record index */
147     static RECINDEX *
148     index_records(const MEMLOAD *mp, int nw_rec)
149     {
150 greg 2.24 int nall = 0;
151 greg 2.1 RECINDEX *rp;
152     char *cp, *mend;
153     int n;
154    
155     if (mp == NULL || (mp->base == NULL) | (mp->len <= 0))
156     return(NULL);
157     if (nw_rec <= 0)
158     return(NULL);
159 greg 2.24 nall = 1000;
160     rp = (RECINDEX *)malloc(sizeof(RECINDEX) + nall*sizeof(char *));
161 greg 2.1 if (rp == NULL)
162     return(NULL);
163     rp->nw_rec = nw_rec;
164     rp->nrecs = 0;
165     cp = (char *)mp->base;
166     mend = cp + mp->len;
167     for ( ; ; ) { /* whitespace-separated words */
168     while (cp < mend && !*cp | isspace(*cp))
169     ++cp;
170     if (cp >= mend)
171     break;
172 greg 2.24 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 greg 2.1 rp->rec[rp->nrecs++] = cp; /* point to first non-white */
180     n = rp->nw_rec;
181     while (++cp < mend) /* find end of record */
182     if (!*cp | isspace(*cp)) {
183     if (--n <= 0)
184     break; /* got requisite # words */
185     do { /* else find next word */
186     if (*cp == '\n') {
187     fprintf(stderr,
188     "Unexpected EOL in record!\n");
189     free_records(rp);
190     return(NULL);
191     }
192     if (++cp >= mend)
193     break;
194     } while (!*cp | isspace(*cp));
195     }
196     }
197     rp->rec[rp->nrecs] = mend; /* reallocate to save space */
198     rp = (RECINDEX *)realloc(rp,
199     sizeof(RECINDEX) + rp->nrecs*sizeof(char *));
200     return(rp);
201     }
202    
203     /* count number of columns based on first EOL */
204     static int
205     count_columns(const RECINDEX *rp)
206     {
207     char *cp = rp->rec[0];
208     char *mend = rp->rec[rp->nrecs];
209     int i;
210    
211     while (*cp != '\n')
212     if (++cp >= mend)
213     return(0);
214     for (i = 0; i < rp->nrecs; i++)
215     if (rp->rec[i] >= cp)
216     break;
217     return(i);
218     }
219    
220     /* copy nth record from index to stdout */
221     static int
222 greg 2.31 print_record(const RECINDEX *rp, long n)
223 greg 2.1 {
224     int words2go = rp->nw_rec;
225     char *scp;
226    
227     if ((n < 0) | (n >= rp->nrecs))
228     return(0);
229     scp = rp->rec[n];
230     do {
231     putc(*scp++, stdout);
232     if (!*scp | isspace(*scp)) {
233     if (--words2go <= 0)
234     break;
235     putc(' ', stdout); /* single space btwn. words */
236     do
237     if (++scp >= rp->rec[n+1])
238     break;
239     while (!*scp | isspace(*scp));
240     }
241     } while (scp < rp->rec[n+1]);
242     /* caller adds record sep. */
243     return(1);
244     }
245    
246     /* copy a stream to stdout */
247     static int
248     output_stream(FILE *fp)
249     {
250     char buf[8192];
251     ssize_t n;
252    
253     if (fp == NULL)
254     return(0);
255 greg 2.13 fflush(stdout);
256     while ((n = fread(buf, 1, sizeof(buf), fp)) > 0)
257 greg 2.1 if (write(fileno(stdout), buf, n) != n)
258     return(0);
259 greg 2.13 return(!ferror(fp));
260 greg 2.1 }
261    
262     /* get next word from stream, leaving stream on EOL or start of next word */
263     static char *
264     fget_word(char buf[256], FILE *fp)
265     {
266     int c;
267     char *cp;
268     /* skip nul's and white space */
269     while (!(c = getc(fp)) || isspace(c))
270     ;
271     if (c == EOF)
272     return(NULL);
273     cp = buf;
274     do
275     *cp++ = c;
276     while ((c = getc(fp)) != EOF && !isspace(c) && cp < buf+255);
277     *cp = '\0';
278     while (isspace(c) & (c != '\n'))
279     c = getc(fp);
280     if (c != EOF)
281     ungetc(c, fp);
282     return(buf);
283     }
284    
285 greg 2.9 char *fmtid = NULL; /* format id */
286     int comp_size = 0; /* binary bytes/channel */
287     int n_comp = 0; /* components/record */
288 greg 2.1 int ni_columns = 0; /* number of input columns */
289     int ni_rows = 0; /* number of input rows */
290     int no_columns = 0; /* number of output columns */
291     int no_rows = 0; /* number of output rows */
292 greg 2.16 int transpose = 0; /* transpose rows & cols? */
293     int i_header = 1; /* input header? */
294     int o_header = 1; /* output header? */
295 greg 2.31 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 greg 2.1
333 greg 2.9 /* check settings and assign defaults */
334 greg 2.11 static int
335 greg 2.9 check_sizes()
336     {
337     if (fmtid == NULL) {
338     fmtid = "ascii";
339     } else if (!comp_size) {
340     if (!strcmp(fmtid, "float"))
341     comp_size = sizeof(float);
342     else if (!strcmp(fmtid, "double"))
343     comp_size = sizeof(double);
344     else if (!strcmp(fmtid, "byte"))
345     comp_size = 1;
346 greg 2.14 else if (strcmp(fmtid, "ascii")) {
347 greg 2.11 fprintf(stderr, "Unsupported format: %s\n", fmtid);
348     return(0);
349     }
350 greg 2.9 }
351 greg 2.16 if (transpose && (no_rows <= 0) & (no_columns <= 0)) {
352     if (ni_rows > 0) no_columns = ni_rows;
353     if (ni_columns > 0) no_rows = ni_columns;
354     } else if ((no_rows <= 0) & (no_columns > 0) &&
355     !((ni_rows*ni_columns) % no_columns))
356     no_rows = ni_rows*ni_columns/no_columns;
357 greg 2.9 if (n_comp <= 0)
358     n_comp = 3;
359 greg 2.11 return(1);
360 greg 2.9 }
361    
362 greg 2.31 /* 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 greg 2.34 r = n/ni_rows;
391     c = n - r*ni_rows;
392     n = (long)c*ni_columns + r;
393 greg 2.31 }
394     } else if (transpose) /* transpose only */
395     n = (long)c*ni_columns + r;
396     else /* XXX should never happen! */
397 greg 2.32 n = (long)r*no_columns + c;
398 greg 2.31 return(n);
399     }
400    
401     /* output reordered ASCII or binary data from memory */
402 greg 2.1 static int
403 greg 2.31 do_reorder(const MEMLOAD *mp)
404 greg 2.1 {
405     static const char tabEOL[2] = {'\t','\n'};
406     RECINDEX *rp = NULL;
407     long nrecords;
408     int i, j;
409 greg 2.5 /* propogate sizes */
410     if (ni_rows <= 0)
411     ni_rows = no_columns;
412     if (ni_columns <= 0)
413     ni_columns = no_rows;
414 greg 2.1 /* get # records (& index) */
415 greg 2.9 if (!comp_size) {
416     if ((rp = index_records(mp, n_comp)) == NULL)
417 greg 2.1 return(0);
418     if (ni_columns <= 0)
419     ni_columns = count_columns(rp);
420     nrecords = rp->nrecs;
421 greg 2.3 } else if ((ni_rows > 0) & (ni_columns > 0)) {
422 greg 2.1 nrecords = ni_rows*ni_columns;
423 greg 2.9 if (nrecords > mp->len/(n_comp*comp_size)) {
424 greg 2.33 fputs("Input too small for specified size and type\n",
425     stderr);
426 greg 2.3 return(0);
427     }
428     } else
429 greg 2.9 nrecords = mp->len/(n_comp*comp_size);
430 greg 2.1 /* check sizes */
431     if ((ni_rows <= 0) & (ni_columns > 0))
432     ni_rows = nrecords/ni_columns;
433     if ((ni_columns <= 0) & (ni_rows > 0))
434     ni_columns = nrecords/ni_rows;
435     if (nrecords != ni_rows*ni_columns)
436     goto badspec;
437 greg 2.31 if (transpose) {
438     if (no_columns <= 0)
439     no_columns = ni_rows;
440     if (no_rows <= 0)
441     no_rows = ni_columns;
442 greg 2.34 if (outLevels <= 1 &&
443     (no_rows != ni_columns) | (no_columns != ni_rows))
444 greg 2.31 goto badspec;
445 greg 2.33 } 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 greg 2.31 }
456     /* reorder records */
457 greg 2.1 for (i = 0; i < no_rows; i++) {
458 greg 2.31 for (j = 0; j < no_columns; j++) {
459     long n = get_input_pos(i, j);
460 greg 2.33 if (n >= nrecords) {
461     fputs("Index past end-of-file\n", stderr);
462     return(0);
463     }
464 greg 2.1 if (rp != NULL) { /* ASCII output */
465 greg 2.31 print_record(rp, n);
466 greg 2.1 putc(tabEOL[j >= no_columns-1], stdout);
467     } else { /* binary output */
468 greg 2.31 putbinary((char *)mp->base + (n_comp*comp_size)*n,
469 greg 2.25 comp_size, n_comp, stdout);
470 greg 2.1 }
471 greg 2.31 }
472 greg 2.1 if (ferror(stdout)) {
473     fprintf(stderr, "Error writing to stdout\n");
474     return(0);
475     }
476     }
477     if (rp != NULL)
478     free_records(rp);
479     return(1);
480     badspec:
481 greg 2.31 fprintf(stderr, "Bad dimension(s)\n");
482 greg 2.1 return(0);
483     }
484    
485     /* resize ASCII stream input by ignoring EOLs between records */
486     static int
487     do_resize(FILE *fp)
488     {
489     long records2go = ni_rows*ni_columns;
490     int columns2go = no_columns;
491     char word[256];
492     /* sanity checks */
493 greg 2.19 if (comp_size || (no_columns == ni_columns) & (no_rows == ni_rows))
494     return(output_stream(fp)); /* no-op -- just copy */
495 greg 2.1 if (no_columns <= 0) {
496     fprintf(stderr, "Missing -oc specification\n");
497     return(0);
498     }
499     if ((records2go <= 0) & (no_rows > 0))
500     records2go = no_rows*no_columns;
501     else if (no_rows*no_columns != records2go) {
502     fprintf(stderr,
503     "Input and output data sizes disagree (%dx%d != %dx%d)\n",
504     ni_rows, ni_columns, no_rows, no_columns);
505     return(0);
506     }
507     do { /* reshape records */
508     int n;
509    
510 greg 2.9 for (n = n_comp; n--; ) {
511 greg 2.1 if (fget_word(word, fp) == NULL) {
512 greg 2.9 if (records2go > 0 || n < n_comp-1)
513 greg 2.1 break;
514     goto done; /* normal EOD */
515     }
516     fputs(word, stdout);
517     if (n) { /* mid-record? */
518     int c = getc(fp);
519     if ((c == '\n') | (c == EOF))
520     break;
521     ungetc(c, fp);
522     putc(' ', stdout);
523     }
524     }
525     if (n >= 0) {
526     fprintf(stderr, "Incomplete record / unexpected EOF\n");
527     return(0);
528     }
529     if (--columns2go <= 0) { /* time to end output row? */
530     putc('\n', stdout);
531     columns2go = no_columns;
532     } else /* else separate records */
533     putc('\t', stdout);
534     } while (--records2go); /* expected EOD? */
535     done:
536 greg 2.4 if (warnings && columns2go != no_columns)
537 greg 2.1 fprintf(stderr, "Warning -- incomplete final row\n");
538 greg 2.4 if (warnings && fget_word(word, fp) != NULL)
539     fprintf(stderr, "Warning -- characters beyond expected EOD\n");
540 greg 2.1 return(1);
541     }
542    
543     /* process a header line and copy to stdout */
544     static int
545     headline(char *s, void *p)
546     {
547 greg 2.26 static char fmt[MAXFMTLEN];
548 greg 2.9 int n;
549 greg 2.1
550     if (formatval(fmt, s)) {
551 greg 2.9 if (fmtid == NULL) {
552     fmtid = fmt;
553     return(0);
554     }
555 greg 2.1 if (!strcmp(fmt, fmtid))
556     return(0);
557     fprintf(stderr, "Input format '%s' != '%s'\n", fmt, fmtid);
558     return(-1);
559     }
560 greg 2.9 if (!strncmp(s, "NROWS=", 6)) {
561     n = atoi(s+6);
562     if ((ni_rows > 0) & (n != ni_rows)) {
563     fputs("Incorrect input row count\n", stderr);
564     return(-1);
565     }
566     ni_rows = n;
567     return(0);
568     }
569     if (!strncmp(s, "NCOLS=", 6)) {
570     n = atoi(s+6);
571     if ((ni_columns > 0) & (n != ni_columns)) {
572     fputs("Incorrect input column count\n", stderr);
573     return(-1);
574     }
575     ni_columns = n;
576     return(0);
577     }
578     if (!strncmp(s, "NCOMP=", 6)) {
579     n = atoi(s+6);
580     if ((n_comp > 0) & (n != n_comp)) {
581 greg 2.14 fputs("Incorrect number of components\n", stderr);
582 greg 2.9 return(-1);
583     }
584     n_comp = n;
585     return(0);
586     }
587 greg 2.16 if (o_header)
588     fputs(s, stdout); /* copy header info. */
589 greg 2.1 return(0);
590     }
591    
592     /* main routine for converting rows/columns in data file */
593     int
594     main(int argc, char *argv[])
595     {
596 greg 2.14 int a;
597 greg 2.1
598 greg 2.14 for (a = 1; a < argc && argv[a][0] == '-'; a++)
599     switch (argv[a][1]) {
600 greg 2.1 case 'i': /* input */
601 greg 2.14 if (argv[a][2] == 'c') /* columns */
602     ni_columns = atoi(argv[++a]);
603     else if (argv[a][2] == 'r')
604     ni_rows = atoi(argv[++a]);
605 greg 2.1 else
606     goto userr;
607     break;
608     case 'o': /* output */
609 greg 2.14 if (argv[a][2] == 'c') /* columns */
610     no_columns = atoi(argv[++a]);
611     else if (argv[a][2] == 'r')
612     no_rows = atoi(argv[++a]);
613 greg 2.31 else if (argv[a][2] ||
614     !(outLevels=get_array(argv[++a], outArray, MAXLEVELS)))
615 greg 2.1 goto userr;
616     break;
617 greg 2.10 case 'h': /* turn off header */
618 greg 2.14 switch (argv[a][2]) {
619 greg 2.10 case 'i':
620     i_header = 0;
621     break;
622     case 'o':
623     o_header = 0;
624     break;
625     case '\0':
626     i_header = o_header = 0;
627     break;
628     default:
629     goto userr;
630     }
631 greg 2.1 break;
632     case 't': /* transpose on/off */
633     transpose = !transpose;
634     break;
635     case 'f': /* format */
636 greg 2.14 switch (argv[a][2]) {
637 greg 2.1 case 'a': /* ASCII */
638     case 'A':
639     fmtid = "ascii";
640 greg 2.9 comp_size = 0;
641 greg 2.1 break;
642     case 'f': /* float */
643     case 'F':
644     fmtid = "float";
645 greg 2.9 comp_size = sizeof(float);
646 greg 2.1 break;
647     case 'd': /* double */
648     case 'D':
649     fmtid = "double";
650 greg 2.9 comp_size = sizeof(double);
651 greg 2.1 break;
652     case 'b': /* binary (bytes) */
653     case 'B':
654     fmtid = "byte";
655 greg 2.9 comp_size = 1;
656 greg 2.1 break;
657     default:
658     goto userr;
659     }
660 greg 2.14 if (argv[a][3]) {
661     if (!isdigit(argv[a][3]))
662 greg 2.1 goto userr;
663 greg 2.14 n_comp = atoi(argv[a]+3);
664     } else
665     n_comp = 1;
666 greg 2.1 break;
667 greg 2.4 case 'w': /* warnings on/off */
668     warnings = !warnings;
669     break;
670 greg 2.1 default:
671     goto userr;
672     }
673 greg 2.14 if (a < argc-1) /* arg count OK? */
674 greg 2.1 goto userr;
675 greg 2.31 if (outLevels) { /* should check consistency? */
676     no_rows = outArray[0][0];
677     no_columns = outArray[0][1];
678     }
679 greg 2.1 /* open input file? */
680 greg 2.14 if (a == argc-1 && freopen(argv[a], "r", stdin) == NULL) {
681     fprintf(stderr, "%s: cannot open for reading\n", argv[a]);
682 greg 2.1 return(1);
683     }
684 greg 2.9 if (comp_size) {
685 greg 2.1 SET_FILE_BINARY(stdin);
686     SET_FILE_BINARY(stdout);
687     }
688     /* check for no-op */
689 greg 2.31 if (!transpose & (outLevels <= 1) & (i_header == o_header) &&
690 greg 2.19 (no_columns == ni_columns) & (no_rows == ni_rows)) {
691 greg 2.4 if (warnings)
692     fprintf(stderr, "%s: no-op -- copying input verbatim\n",
693 greg 2.1 argv[0]);
694     if (!output_stream(stdin))
695     return(1);
696     return(0);
697     }
698 greg 2.10 if (i_header) { /* read header */
699 greg 2.15 if (getheader(stdin, headline, NULL) < 0)
700 greg 2.1 return(1);
701 greg 2.11 if (!check_sizes())
702     return(1);
703 greg 2.9 if (comp_size) { /* a little late... */
704     SET_FILE_BINARY(stdin);
705     SET_FILE_BINARY(stdout);
706     }
707 greg 2.11 } else if (!check_sizes())
708     return(1);
709 greg 2.30 if (o_header) { /* write/add to header */
710     if (!i_header)
711     newheader("RADIANCE", stdout);
712 greg 2.14 printargs(a, argv, stdout);
713 greg 2.9 if (no_rows > 0)
714     printf("NROWS=%d\n", no_rows);
715     if (no_columns > 0)
716     printf("NCOLS=%d\n", no_columns);
717     printf("NCOMP=%d\n", n_comp);
718 greg 2.1 fputformat(fmtid, stdout);
719     fputc('\n', stdout); /* finish new header */
720 greg 2.10 }
721 greg 2.31 if (transpose | (outLevels > 1)) { /* moving stuff around? */
722 greg 2.19 MEMLOAD myMem; /* need to map into memory */
723 greg 2.14 if (a == argc-1) {
724 greg 2.1 if (load_file(&myMem, stdin) <= 0) {
725     fprintf(stderr, "%s: error loading file into memory\n",
726 greg 2.14 argv[a]);
727 greg 2.1 return(1);
728     }
729     } else if (load_stream(&myMem, stdin) <= 0) {
730     fprintf(stderr, "%s: error loading stdin into memory\n",
731     argv[0]);
732     return(1);
733     }
734 greg 2.31 if (!do_reorder(&myMem))
735 greg 2.1 return(1);
736 greg 2.17 /* free_load(&myMem); about to exit, so don't bother */
737     } else if (!do_resize(stdin)) /* reshaping input */
738 greg 2.1 return(1);
739     return(0);
740     userr:
741     fprintf(stderr,
742 greg 2.31 "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 greg 2.1 argv[0]);
744     return(1);
745     }