1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
|
/*
* Copyright (C) 2017 David Oberhollenzer - sigma star gmbh
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA.
*
* Author: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
*/
#include <getopt.h>
#include <stdio.h>
#include "lsmtd.h"
#define FLAG_SI 0x0001
#define FLAG_BYTES 0x0002
#define FLAG_NO_HEADING 0x0004
#define FLAG_RAW 0x0008
#define FLAG_PAIRS 0x0010
#define FLAG_LIST 0x0020
#define FLAG_JSON 0x0040
#define FLAG_ASCII 0x0080
#define FLAG_NO_UBI 0x0100
#define FLAG_DRYRUN 0x1000
static int flags;
static struct column **selected;
static size_t num_selected;
static size_t max_selected;
struct column *sort_by;
static const struct option long_opts[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ "si-units", no_argument, NULL, 'u' },
{ "bytes", no_argument, NULL, 'b' },
{ "noheadings", no_argument, NULL, 'n' },
{ "raw", no_argument, NULL, 'r' },
{ "output", required_argument, NULL, 'o' },
{ "output-all", no_argument, NULL, 'O' },
{ "pairs", no_argument, NULL, 'P' },
{ "list", no_argument, NULL, 'l' },
{ "json", no_argument, NULL, 'J' },
{ "sort", required_argument, NULL, 'x' },
{ "ascii", no_argument, NULL, 'i' },
{ "no-ubi", no_argument, NULL, 'm' },
{ NULL, 0, NULL, 0 },
};
static const char *short_opts = "x:o:OPJlibrumnhV";
static const char *default_cols = "DEVICE,MAJ:MIN,NAME,TYPE,SIZE";
static struct column cols[] = {
{ "DEVICE", "name of the device node", COL_DEVNAME, COL_DT_STRING, 0 },
{ "MAJ:MIN", "major:minor device number",
COL_DEVNUM, COL_DT_STRING, 0 },
{ "NAME", "device name string", COL_NAME, COL_DT_STRING, 0 },
{ "TYPE", "device type", COL_TYPE, COL_DT_STRING, 0 },
{ "SIZE", "size of the device", COL_SIZE, COL_DT_SIZE, 0 },
{ "EB-SIZE", "erase block size", COL_EBSIZE, COL_DT_SIZE, 0 },
{ "EB-COUNT", "number of erase blocks", COL_EBCOUNT, COL_DT_NUMBER, 0 },
{ "MIN-IO", "minimum I/O size", COL_MINIO, COL_DT_SIZE, 0 },
{ "SUB-SIZE", "subpage size", COL_SUBSIZE, COL_DT_SIZE, 0 },
{ "OOB-SIZE", "out of band data size", COL_OOBSIZE, COL_DT_SIZE, 0 },
{ "RO", "read-only device", COL_RO, COL_DT_BOOL, 0 },
{ "CORRUPTED", "wheather an UBI volume is corrupted",
COL_CORRUPTED, COL_DT_BOOL, 0 },
{ "REGIONS", "number of additional erase regions",
COL_REGION, COL_DT_NUMBER, 0 },
{ "BB", "wheather the MTD device may have bad eraseblocks",
COL_BB, COL_DT_BOOL, 0 },
{ "MAX-EC", "current highest erase counter value on UBI devices",
COL_MAXEC, COL_DT_NUMBER, 0 },
{ "FREE", "available bytes on an UBI device or volume",
COL_FREE, COL_DT_SIZE, 0 },
{ "FREE-LEB", "available LEBs on an UBI device or volume",
COL_FREE_LEB, COL_DT_NUMBER, 0 },
{ "BAD-COUNT", "number of bad physical eraseblocks",
COL_BAD_COUNT, COL_DT_NUMBER, 0 },
{ "BAD-RSVD", "number of reserved eraseblocks for bad block handling",
COL_BAD_RSVD, COL_DT_NUMBER, 0 },
};
static NORETURN void usage(int status)
{
FILE *outstream = status == EXIT_SUCCESS ? stdout : stderr;
size_t i, len, max_len = 0;
fputs(
"Usage: "PROGRAM_NAME" [options] [<device> ...]\n\n"
"List information about memory technology devices.\n\n"
"Options:\n"
" -u, --si-units Scale sizes by factors of 1000 instead of 1024\n"
" -b, --bytes Print sizes in bytes\n"
" -i, --ascii Use ascii characters only\n"
" -l, --list Use list output format (default)\n"
" -n, --noheadings Don't print a heading\n"
" -r, --raw Use raw output format\n"
" -P, --pairs Use key=\"value\" output format\n"
" -J, --json Use JSON output format\n"
" -o, --output <list> Comma seperated list of columns to print\n"
" -O, --output-all Print all columns\n"
" -x, --sort <column> Sort output by <column>\n"
" -m, --no-ubi Do not display information about UBI devices/volumes\n"
"\n"
" -h, --help Display this help text and exit\n"
" -V, --version Output version information and exit\n"
"\n"
"Available columns (for --output, --sort):\n",
outstream);
for (i = 0; i < sizeof(cols) / sizeof(cols[0]); ++i) {
len = strlen(cols[i].name);
max_len = len > max_len ? len : max_len;
}
for (i = 0; i < sizeof(cols) / sizeof(cols[0]); ++i) {
fprintf(outstream, " %*s %s\n", (int)max_len, cols[i].name,
cols[i].desc);
}
fputs("\nFor more details see "PROGRAM_NAME"(8).\n", stdout);
exit(status);
}
static NORETURN void version(int status)
{
common_print_version();
fputs(
"Copyright (C) 2017 David Oberhollenzer - sigma star gmbh\n"
"License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl2.html>.\n"
"This is free software: you are free to change and redistribute it.\n"
"There is NO WARRANTY, to the extent permitted by law.\n\n"
"Written by David Oberhollenzer.\n",
stdout);
exit(status);
}
static struct column *column_by_name(const char *name, size_t len)
{
size_t i;
for (i = 0; i < sizeof(cols) / sizeof(cols[0]); ++i) {
if (strncmp(cols[i].name, name, len) != 0)
continue;
if (strlen(cols[i].name) == len)
return cols + i;
}
return NULL;
}
static int process_col_list(const char *list)
{
struct column *col;
const char *end;
size_t len;
if (*list == '+') {
++list;
} else {
num_selected = 0;
}
while (*list) {
end = strchrnul(list, ',');
len = end - list;
col = column_by_name(list, len);
if (!col) {
fprintf(stderr, "Unknown column '%.*s'\n",
(int)len, list);
return -1;
}
if (num_selected == max_selected) {
max_selected = max_selected ? max_selected * 2 : 10;
selected = xrealloc(selected, max_selected *
sizeof(*selected));
}
selected[num_selected++] = col;
list = *end ? end + 1 : end;
}
return 0;
}
static void select_all(void)
{
size_t i;
num_selected = sizeof(cols) / sizeof(cols[0]);
if (max_selected < num_selected) {
max_selected = num_selected;
selected = xrealloc(selected, max_selected * sizeof(*selected));
}
for (i = 0; i < num_selected; ++i)
selected[i] = cols + i;
}
static void process_args(int argc, char **argv)
{
int i;
process_col_list(default_cols);
while (1) {
i = getopt_long(argc, argv, short_opts, long_opts, NULL);
if (i == -1)
break;
switch (i) {
case 'x':
sort_by = column_by_name(optarg, strlen(optarg));
if (!sort_by) {
fprintf(stderr, "Unknown column '%s'\n",
optarg);
goto fail;
}
break;
case 'o':
if (process_col_list(optarg) != 0)
goto fail;
break;
case 'O':
select_all();
break;
case 'i': flags |= FLAG_ASCII; break;
case 'J': flags |= FLAG_JSON; break;
case 'P': flags |= FLAG_PAIRS; break;
case 'l': flags |= FLAG_LIST; break;
case 'b': flags |= FLAG_BYTES; break;
case 'r': flags |= FLAG_RAW; break;
case 'u': flags |= FLAG_SI; break;
case 'n': flags |= FLAG_NO_HEADING; break;
case 'm': flags |= FLAG_NO_UBI; break;
case 'h': usage(EXIT_SUCCESS);
case 'V': version(EXIT_SUCCESS);
default: usage(EXIT_FAILURE);
}
}
i = flags & (FLAG_LIST|FLAG_PAIRS|FLAG_RAW|FLAG_JSON);
if (i & (i - 1)) {
fputs(PROGRAM_NAME": these options are mutually exclusive: "
"--list --pairs --raw --json\n", stderr);
goto fail;
} else if (!i) {
flags |= FLAG_LIST;
}
/*if (optind < argc)
list_arg = optind;*/
return;
fail:
fputs("Try `"PROGRAM_NAME" --help` for more information\n\n", stderr);
exit(EXIT_FAILURE);
}
static const char *tree_prefix(bool is_last)
{
if (is_last)
return (flags & FLAG_ASCII) ? "`-" : "└─";
return (flags & FLAG_ASCII) ? "|-" : "├─";
}
static size_t count_chars(const char *str)
{
size_t count = 0;
while (*str) {
if (((*str) & 0xC0) != 0x80)
++count;
++str;
}
return count;
}
static void devno_to_string(char *buffer, int major, int minor)
{
sprintf(buffer, flags & FLAG_LIST ? "%3d:%d" : "%d:%d", major, minor);
}
static void bool_to_string(char *buffer, int value)
{
if (flags & FLAG_JSON)
strcpy(buffer, value ? "true" : "false");
else
strcpy(buffer, value ? "1" : "0");
}
static void size_to_string(char *buffer, long long int size)
{
static const char *bcdmap = "0112334456678899";
static const char *suffix = "KMGTPE";
int scale, idx, i, remainder = 0;
if (flags & FLAG_BYTES) {
sprintf(buffer, "%lld", size);
return;
}
scale = flags & FLAG_SI ? 1000 : 1024;
for (idx = -1; size >= scale && (idx < 0 || suffix[idx]); ++idx) {
if (remainder >= (scale / 2)) {
remainder = 0;
size = (size / scale) + 1;
} else {
remainder = size % scale;
size /= scale;
}
}
i = sprintf(buffer, "%lld", size);
remainder = (remainder >> 6) & 0x0F;
if (remainder) {
buffer[i++] = '.';
buffer[i++] = bcdmap[remainder];
}
if (idx >= 0)
buffer[i++] = suffix[idx];
buffer[i] = '\0';
}
static void print_json_string(const char *value)
{
static const char *jsonrepl = "nrtfb", *jsonesc = "\n\r\t\f\b";
const char *ptr;
fputc('"', stdout);
for (; *value; ++value) {
ptr = strchr(jsonesc, *value);
if (ptr) {
fputc('\\', stdout);
fputc(jsonrepl[ptr - jsonesc], stdout);
} else if (*value == '\\' || *value == '"') {
fputc('\\', stdout);
fputc(*value, stdout);
} else if (isascii(*value) &&
(iscntrl(*value) || !isprint(*value))) {
fprintf(stdout, "\\u%04X", *value);
} else {
fputc(*value, stdout);
}
}
fputc('"', stdout);
}
static void print_escaped(const char *value)
{
while (*value) {
if (iscntrl(*value) || !isprint(*value) ||
*value == '\\' || *value == '"') {
fprintf(stdout, "\\x%02X", *(value++));
} else {
fputc(*(value++), stdout);
}
}
}
static void print_padded(const char *value, bool numeric, size_t width)
{
size_t i;
if (numeric) {
fprintf(stdout, "%*s", (int)width, value);
} else {
for (i = 0; i < width && *value; ++i) {
fputc(*(value++), stdout);
while (((*value) & 0xC0) == 0x80)
fputc(*(value++), stdout);
}
for (; i < width; ++i)
fputc(' ', stdout);
}
}
static void print_column(struct column *col, const char *value,
bool is_first, int level)
{
bool numeric = false;
const char *key;
size_t colw;
if (col->datatype == COL_DT_NUMBER || col->datatype == COL_DT_SIZE ||
col->datatype == COL_DT_BOOL) {
numeric = true;
}
if (flags & FLAG_JSON) {
if ((col->datatype == COL_DT_SIZE) && !(flags & FLAG_BYTES))
numeric = false;
if (!is_first)
fputs(",\n", stdout);
while (level--)
fputc('\t', stdout);
fputc('"', stdout);
for (key = col->name; *key; ++key)
fputc(isupper(*key) ? tolower(*key) : *key, stdout);
fputs("\": ", stdout);
if (numeric) {
fputs(value, stdout);
} else {
print_json_string(value);
}
} else if (flags & FLAG_DRYRUN) {
colw = count_chars(value);
col->width = colw > col->width ? colw : col->width;
} else if (flags & FLAG_PAIRS) {
if (!is_first)
fputc(' ', stdout);
fprintf(stdout, "%s=\"", col->name);
print_escaped(value);
fputs("\"", stdout);
} else if (flags & FLAG_RAW) {
if (!is_first)
fputc(' ', stdout);
print_escaped(value);
} else if (flags & FLAG_LIST) {
if (!is_first)
fputc(' ', stdout);
print_padded(value, numeric, col->width);
}
}
static size_t print_mtd_device(struct mtd_dev_info *info)
{
size_t i, count = 0;
const char *value;
char buffer[128];
for (i = 0; i < num_selected; ++i) {
value = buffer;
switch (selected[i]->type) {
case COL_DEVNAME:
sprintf(buffer, "mtd%d", info->mtd_num);
break;
case COL_DEVNUM:
devno_to_string(buffer, info->major, info->minor);
break;
case COL_TYPE:
value = info->type_str;
break;
case COL_NAME:
value = info->name;
break;
case COL_SIZE:
size_to_string(buffer, info->size);
break;
case COL_EBSIZE:
size_to_string(buffer, info->eb_size);
break;
case COL_EBCOUNT:
sprintf(buffer, "%d", info->eb_cnt);
break;
case COL_MINIO:
size_to_string(buffer, info->min_io_size);
break;
case COL_SUBSIZE:
size_to_string(buffer, info->subpage_size);
break;
case COL_OOBSIZE:
size_to_string(buffer, info->oob_size);
break;
case COL_RO:
bool_to_string(buffer, !info->writable);
break;
case COL_BB:
bool_to_string(buffer, !info->bb_allowed);
break;
case COL_REGION:
sprintf(buffer, "%d", info->region_cnt);
break;
default:
if (flags & FLAG_JSON)
continue;
buffer[0] = '\0';
break;
}
print_column(selected[i], value, i == 0, 2);
++count;
}
return count;
}
static size_t print_ubi_device(struct mtd_dev_info *mtd,
struct ubi_dev_info *info)
{
size_t i, count = 0;
char value[128];
for (i = 0; i < num_selected; ++i) {
switch (selected[i]->type) {
case COL_DEVNAME:
if (flags & FLAG_LIST) {
sprintf(value, "%subi%d", tree_prefix(true),
info->dev_num);
} else {
sprintf(value, "ubi%d", info->dev_num);
}
break;
case COL_DEVNUM:
devno_to_string(value, info->major, info->minor);
break;
case COL_SIZE:
size_to_string(value, info->total_bytes);
break;
case COL_EBSIZE:
size_to_string(value, info->leb_size);
break;
case COL_EBCOUNT:
sprintf(value, "%d", info->total_lebs);
break;
case COL_MINIO:
size_to_string(value, info->min_io_size);
break;
case COL_MAXEC:
sprintf(value, "%lld", info->max_ec);
break;
case COL_FREE:
size_to_string(value, info->avail_bytes);
break;
case COL_FREE_LEB:
sprintf(value, "%d", info->avail_lebs);
break;
case COL_BAD_COUNT:
sprintf(value, "%d", info->bad_count);
break;
case COL_BAD_RSVD:
sprintf(value, "%d", info->bad_rsvd);
break;
case COL_RO:
bool_to_string(value, !mtd->writable);
break;
default:
if (flags & FLAG_JSON)
continue;
value[0] = '\0';
break;
}
print_column(selected[i], value, i == 0, 3);
++count;
}
return count;
}
static size_t print_ubi_vol(struct mtd_dev_info *mtd, struct ubi_dev_info *dev,
struct ubi_vol_info *info, bool is_last)
{
size_t i, count = 0;
const char *value;
char buffer[128];
int used;
for (i = 0; i < num_selected; ++i) {
value = buffer;
switch (selected[i]->type) {
case COL_DEVNAME:
if (flags & FLAG_LIST) {
sprintf(buffer, " %subi%d_%d",
tree_prefix(is_last),
info->dev_num, info->vol_id);
} else {
sprintf(buffer, "ubi%d_%d", info->dev_num,
info->vol_id);
}
break;
case COL_DEVNUM:
devno_to_string(buffer, info->major, info->minor);
break;
case COL_TYPE:
if (info->type == UBI_DYNAMIC_VOLUME) {
value = "dynamic";
} else {
value = "static";
}
break;
case COL_NAME:
value = info->name;
break;
case COL_SIZE:
size_to_string(buffer, info->rsvd_bytes);
break;
case COL_EBSIZE:
size_to_string(buffer, info->leb_size);
break;
case COL_EBCOUNT:
sprintf(buffer, "%d", info->rsvd_lebs);
break;
case COL_MINIO:
size_to_string(buffer, dev->min_io_size);
break;
case COL_FREE:
size_to_string(buffer,
info->rsvd_bytes - info->data_bytes);
break;
case COL_FREE_LEB:
used = info->data_bytes / info->leb_size;
sprintf(buffer, "%d", info->rsvd_lebs - used);
break;
case COL_RO:
bool_to_string(buffer, !mtd->writable);
break;
case COL_CORRUPTED:
bool_to_string(buffer, info->corrupted);
break;
default:
if (flags & FLAG_JSON)
continue;
buffer[0] = '\0';
break;
}
print_column(selected[i], value, i == 0, 4);
++count;
}
return count;
}
static void print_list(void)
{
struct ubi_node *ubi;
bool is_last;
size_t i;
int j;
if (!(flags & FLAG_NO_HEADING)) {
if (flags & (FLAG_DRYRUN | FLAG_RAW)) {
for (i = 0; i < num_selected; ++i)
selected[i]->width = strlen(selected[i]->name);
}
if (!(flags & FLAG_DRYRUN)) {
for (i = 0; i < num_selected; ++i) {
fprintf(stdout, "%-*s ",
(int)selected[i]->width,
selected[i]->name);
}
fputc('\n', stdout);
}
}
for (i = 0; i < num_mtd_devices; ++i) {
print_mtd_device(&mtd_dev[i].info);
if (!(flags & FLAG_DRYRUN))
fputc('\n', stdout);
ubi = mtd_dev[i].ubi;
if (!ubi)
continue;
print_ubi_device(&mtd_dev[i].info, &ubi->info);
if (!(flags & FLAG_DRYRUN))
fputc('\n', stdout);
for (j = 0; j < ubi->info.vol_count; ++j) {
is_last = (j == (ubi->info.vol_count - 1));
print_ubi_vol(&mtd_dev[i].info, &ubi->info,
ubi->vol_info + j, is_last);
if (!(flags & FLAG_DRYRUN))
fputc('\n', stdout);
}
}
}
static void print_pairs(void)
{
struct ubi_node *ubi;
int i, j;
for (i = 0; i < num_mtd_devices; ++i) {
print_mtd_device(&mtd_dev[i].info);
fputc('\n', stdout);
ubi = mtd_dev[i].ubi;
if (ubi) {
print_ubi_device(&mtd_dev[i].info, &ubi->info);
fputc('\n', stdout);
for (j = 0; j < ubi->info.vol_count; ++j) {
print_ubi_vol(&mtd_dev[i].info, &ubi->info,
ubi->vol_info + j, false);
fputc('\n', stdout);
}
}
}
}
static void print_json(void)
{
struct ubi_node *ubi;
int i, j;
fputs("{\n\t\"mtddevices\": [", stdout);
for (i = 0; i < num_mtd_devices; ++i) {
fputs(i ? ",{\n" : "{\n", stdout);
if (print_mtd_device(&mtd_dev[i].info) > 0)
fputs(",\n", stdout);
ubi = mtd_dev[i].ubi;
if (ubi) {
fputs("\t\t\"ubi\": {\n", stdout);
if (print_ubi_device(&mtd_dev[i].info, &ubi->info) > 0)
fputs(",\n", stdout);
fputs("\t\t\t\"volumes\": [", stdout);
for (j = 0; j < ubi->info.vol_count; ++j) {
fputs(j ? ",{\n" : "{\n", stdout);
print_ubi_vol(&mtd_dev[i].info, &ubi->info,
ubi->vol_info + j, false);
fputs("\n\t\t\t}", stdout);
}
fputs("]\n\t\t}\n", stdout);
} else if (!(flags & FLAG_NO_UBI)) {
fputs("\t\t\"ubi\": null\n", stdout);
}
fputs("\t}", stdout);
}
fputs("]\n}\n", stdout);
}
int main(int argc, char **argv)
{
int ret, status = EXIT_FAILURE;
libmtd_t lib_mtd;
libubi_t lib_ubi;
process_args(argc, argv);
lib_mtd = libmtd_open();
if (lib_mtd) {
ret = scan_mtd(lib_mtd);
libmtd_close(lib_mtd);
if (ret)
goto out;
} else {
if (errno) {
perror("libmtd_open");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
if (!(flags & FLAG_NO_UBI)) {
lib_ubi = libubi_open();
if (lib_ubi) {
ret = scan_ubi(lib_ubi);
libubi_close(lib_ubi);
if (ret)
goto out;
} else if (errno) {
perror("libubi_open");
goto out;
}
}
if (flags & FLAG_JSON) {
print_json();
} else if (flags & FLAG_PAIRS) {
print_pairs();
} else {
flags |= FLAG_DRYRUN;
print_list();
flags &= ~FLAG_DRYRUN;
print_list();
}
status = EXIT_SUCCESS;
out:
scan_free();
free(selected);
return status;
}
|