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Drop main() prototype. Syncs with NetBSD-8
[minix.git] / usr.sbin / makefs / udf.c
blob1ff612ff92ce18d2558951a363d1b8d90fb8c3f0
1 /* $NetBSD: udf.c,v 1.17 2015/06/16 23:04:14 christos Exp $ */
2
3 /*
4 * Copyright (c) 2006, 2008, 2013 Reinoud Zandijk
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28 #if HAVE_NBTOOL_CONFIG_H
29 #include "nbtool_config.h"
30 #endif
31
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: udf.c,v 1.17 2015/06/16 23:04:14 christos Exp $");
34
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <errno.h>
39 #include <time.h>
40 #include <assert.h>
41 #include <err.h>
42 #include <unistd.h>
43 #include <fcntl.h>
44 #include <sys/types.h>
45 #include <sys/param.h>
46 #include <sys/stat.h>
47 #include <util.h>
48
49 #if !HAVE_NBTOOL_CONFIG_H
50 #define _EXPOSE_MMC
51 #include <sys/cdio.h>
52 #else
53 #include "udf/cdio_mmc_structs.h"
54 #endif
55
56 #if !HAVE_NBTOOL_CONFIG_H
57 #define HAVE_STRUCT_TM_TM_GMTOFF
58 #endif
59
60 #include "makefs.h"
61 #include "udf_create.h"
62 #include "udf_write.h"
63 #include "newfs_udf.h"
64
65 #undef APP_NAME
66 #define APP_NAME "*NetBSD makefs"
67
68 /*
69 * Note: due to the setup of the newfs code, the current state of the program
70 * and its options are helt in a few global variables. The FS specific parts
71 * are in a global `context' structure.
72 */
73
74 /* global variables describing disc and format requests */
75 int fd; /* device: file descriptor */
76 char *dev; /* device: name */
77 struct mmc_discinfo mmc_discinfo; /* device: disc info */
78
79 char *format_str; /* format: string representation */
80 int format_flags; /* format: attribute flags */
81 int media_accesstype; /* derived from current mmc cap */
82 int check_surface; /* for rewritables */
83 int imagefile_secsize; /* for files */
84
85 int display_progressbar;
86
87 int wrtrack_skew;
88 float meta_fract = (float) UDF_META_PERC / 100.0;
89
90 int mmc_profile; /* emulated profile */
91 int req_enable, req_disable;
92
93
94 /* --------------------------------------------------------------------- */
95
96 int
97 udf_write_sector(void *sector, uint64_t location)
98 {
99 uint64_t wpos;
100 ssize_t ret;
101
102 wpos = (uint64_t) location * context.sector_size;
103 ret = pwrite(fd, sector, context.sector_size, wpos);
104 if (ret == -1)
105 return errno;
106 if (ret < (int) context.sector_size)
107 return EIO;
108 return 0;
109 }
110
111
112 /* not implemented for files */
113 int
114 udf_surface_check(void)
115 {
116 return 0;
117 }
118
119
120 /*
121 * mmc_discinfo and mmc_trackinfo readers modified from origional in udf main
122 * code in sys/fs/udf/
123 */
124
125 #ifdef DEBUG
126 static void
127 udf_dump_discinfo(struct mmc_discinfo *di)
128 {
129 char bits[128];
130
131 printf("Device/media info :\n");
132 printf("\tMMC profile 0x%02x\n", di->mmc_profile);
133 printf("\tderived class %d\n", di->mmc_class);
134 printf("\tsector size %d\n", di->sector_size);
135 printf("\tdisc state %d\n", di->disc_state);
136 printf("\tlast ses state %d\n", di->last_session_state);
137 printf("\tbg format state %d\n", di->bg_format_state);
138 printf("\tfrst track %d\n", di->first_track);
139 printf("\tfst on last ses %d\n", di->first_track_last_session);
140 printf("\tlst on last ses %d\n", di->last_track_last_session);
141 printf("\tlink block penalty %d\n", di->link_block_penalty);
142 snprintb(bits, sizeof(bits), MMC_DFLAGS_FLAGBITS,
143 (uint64_t) di->disc_flags);
144 printf("\tdisc flags %s\n", bits);
145 printf("\tdisc id %x\n", di->disc_id);
146 printf("\tdisc barcode %"PRIx64"\n", di->disc_barcode);
147
148 printf("\tnum sessions %d\n", di->num_sessions);
149 printf("\tnum tracks %d\n", di->num_tracks);
150
151 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cur);
152 printf("\tcapabilities cur %s\n", bits);
153 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cap);
154 printf("\tcapabilities cap %s\n", bits);
155 printf("\n");
156 printf("\tlast_possible_lba %d\n", di->last_possible_lba);
157 printf("\n");
158 }
159 #else
160 #define udf_dump_discinfo(a);
161 #endif
162
163 /* --------------------------------------------------------------------- */
164
165 static int
166 udf_emulate_discinfo(fsinfo_t *fsopts, struct mmc_discinfo *di,
167 int mmc_emuprofile)
168 {
169 off_t sectors;
170
171 memset(di, 0, sizeof(*di));
172
173 /* file support */
174 if ((mmc_emuprofile != 0x01) && (fsopts->sectorsize != 2048))
175 warnx("cd/dvd/bd sectorsize is not set to default 2048");
176
177 sectors = fsopts->size / fsopts->sectorsize;
178
179 /* commons */
180 di->mmc_profile = mmc_emuprofile;
181 di->disc_state = MMC_STATE_CLOSED;
182 di->last_session_state = MMC_STATE_CLOSED;
183 di->bg_format_state = MMC_BGFSTATE_COMPLETED;
184 di->link_block_penalty = 0;
185
186 di->disc_flags = MMC_DFLAGS_UNRESTRICTED;
187
188 di->last_possible_lba = sectors - 1;
189 di->sector_size = fsopts->sectorsize;
190
191 di->num_sessions = 1;
192 di->num_tracks = 1;
193
194 di->first_track = 1;
195 di->first_track_last_session = di->last_track_last_session = 1;
196
197 di->mmc_cur = MMC_CAP_RECORDABLE | MMC_CAP_ZEROLINKBLK;
198 switch (mmc_emuprofile) {
199 case 0x00: /* unknown, treat as CDROM */
200 case 0x08: /* CDROM */
201 case 0x10: /* DVDROM */
202 case 0x40: /* BDROM */
203 req_enable |= FORMAT_READONLY;
204 /* FALLTROUGH */
205 case 0x01: /* disc */
206 /* set up a disc info profile for partitions/files */
207 di->mmc_class = MMC_CLASS_DISC;
208 di->mmc_cur |= MMC_CAP_REWRITABLE | MMC_CAP_HW_DEFECTFREE;
209 break;
210 case 0x09: /* CD-R */
211 di->mmc_class = MMC_CLASS_CD;
212 di->mmc_cur |= MMC_CAP_SEQUENTIAL;
213 di->disc_state = MMC_STATE_EMPTY;
214 break;
215 case 0x0a: /* CD-RW + CD-MRW (regretably) */
216 di->mmc_class = MMC_CLASS_CD;
217 di->mmc_cur |= MMC_CAP_REWRITABLE;
218 break;
219 case 0x13: /* DVD-RW */
220 di->mmc_class = MMC_CLASS_DVD;
221 di->mmc_cur |= MMC_CAP_REWRITABLE;
222 break;
223 case 0x11: /* DVD-R */
224 case 0x14: /* DVD-RW sequential */
225 case 0x1b: /* DVD+R */
226 case 0x2b: /* DVD+R DL */
227 case 0x51: /* HD DVD-R */
228 di->mmc_class = MMC_CLASS_DVD;
229 di->mmc_cur |= MMC_CAP_SEQUENTIAL;
230 di->disc_state = MMC_STATE_EMPTY;
231 break;
232 case 0x41: /* BD-R */
233 di->mmc_class = MMC_CLASS_BD;
234 di->mmc_cur |= MMC_CAP_SEQUENTIAL | MMC_CAP_HW_DEFECTFREE;
235 di->disc_state = MMC_STATE_EMPTY;
236 break;
237 case 0x43: /* BD-RE */
238 di->mmc_class = MMC_CLASS_BD;
239 di->mmc_cur |= MMC_CAP_REWRITABLE | MMC_CAP_HW_DEFECTFREE;
240 break;
241 default:
242 err(EINVAL, "makefs_udf: unknown or unimplemented device type");
243 return EINVAL;
244 }
245 di->mmc_cap = di->mmc_cur;
246
247 udf_dump_discinfo(di);
248 return 0;
249 }
250
251
252 int
253 udf_update_trackinfo(struct mmc_discinfo *di, struct mmc_trackinfo *ti)
254 {
255 /* discs partition support */
256 if (ti->tracknr != 1)
257 return EIO;
258
259 /* create fake ti */
260 ti->sessionnr = 1;
261
262 ti->track_mode = 0; /* XXX */
263 ti->data_mode = 0; /* XXX */
264 ti->flags = MMC_TRACKINFO_LRA_VALID | MMC_TRACKINFO_NWA_VALID;
265
266 ti->track_start = 0;
267 ti->packet_size = 32; /* take sensible default */
268
269 ti->track_size = di->last_possible_lba;
270 ti->next_writable = di->last_possible_lba;
271 ti->last_recorded = ti->next_writable;
272 ti->free_blocks = 0;
273
274 return 0;
275 }
276
277 #define OPT_STR(letter, name, desc) \
278 { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
279
280 #define OPT_NUM(letter, name, field, min, max, desc) \
281 { letter, name, &context.field, \
282 sizeof(context.field) == 8 ? OPT_INT64 : \
283 (sizeof(context.field) == 4 ? OPT_INT32 : \
284 (sizeof(context.field) == 2 ? OPT_INT16 : OPT_INT8)), \
285 min, max, desc }
286
287 #define OPT_BOOL(letter, name, field, desc) \
288 OPT_NUM(letter, name, field, 0, 1, desc)
289
290 void
291 udf_prep_opts(fsinfo_t *fsopts)
292 {
293 struct tm *tm;
294 time_t now;
295
296 const option_t udf_options[] = {
297 OPT_STR('T', "disctype", "disc type (cdrom,dvdrom,bdrom,"
298 "dvdram,bdre,disk,cdr,dvdr,bdr,cdrw,dvdrw)"),
299 OPT_STR('L', "loglabel", "\"logical volume name\""),
300 OPT_STR('P', "discid", "\"[volset name ':']"
301 "physical volume name\""),
302 OPT_NUM('t', "tz", gmtoff, -24, 24, "timezone"),
303 OPT_STR('v', "minver", "minimum UDF version in either "
304 "``0x201'' or ``2.01'' format"),
305 #if notyet
306 OPT_STR('V', "maxver", "maximum UDF version in either "
307 "``0x201'' or ``2.01'' format"),
308 #endif
309 { .name = NULL }
310 };
311
312 /* initialise */
313 format_str = strdup("");
314 req_enable = req_disable = 0;
315 format_flags = FORMAT_INVALID;
316 fsopts->sectorsize = 512; /* minimum allowed sector size */
317
318 srandom((unsigned long) time(NULL));
319
320 mmc_profile = 0x01; /* 'disc'/file */
321
322 udf_init_create_context();
323 context.app_name = "*NetBSD makefs";
324 context.app_version_main = APP_VERSION_MAIN;
325 context.app_version_sub = APP_VERSION_SUB;
326 context.impl_name = IMPL_NAME;
327
328 /* minimum and maximum UDF versions we advise */
329 context.min_udf = 0x102;
330 context.max_udf = 0x201; /* 0x250 and 0x260 are not ready */
331
332 /* use user's time zone as default */
333 (void)time(&now);
334 tm = localtime(&now);
335 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
336 context.gmtoff = tm->tm_gmtoff;
337 #else
338 context.gmtoff = 0;
339 #endif
340
341 /* return info */
342 fsopts->fs_specific = NULL;
343 fsopts->fs_options = copy_opts(udf_options);
344 }
345
346
347 void
348 udf_cleanup_opts(fsinfo_t *fsopts)
349 {
350 free(fsopts->fs_options);
351 }
352
353
354 /* ----- included from newfs_udf.c ------ */
355 /* ----- */
356
357
358 #define CDRSIZE ((uint64_t) 700*1024*1024) /* small approx */
359 #define CDRWSIZE ((uint64_t) 576*1024*1024) /* small approx */
360 #define DVDRSIZE ((uint64_t) 4488*1024*1024) /* small approx */
361 #define DVDRAMSIZE ((uint64_t) 4330*1024*1024) /* small approx with spare */
362 #define DVDRWSIZE ((uint64_t) 4482*1024*1024) /* small approx */
363 #define BDRSIZE ((uint64_t) 23866*1024*1024) /* small approx */
364 #define BDRESIZE ((uint64_t) 23098*1024*1024) /* small approx */
365 int
366 udf_parse_opts(const char *option, fsinfo_t *fsopts)
367 {
368 option_t *udf_options = fsopts->fs_options;
369 uint64_t stdsize;
370 uint32_t set_sectorsize;
371 char buffer[1024], *buf, *colon;
372 int i;
373
374 assert(option != NULL);
375
376 if (debug & DEBUG_FS_PARSE_OPTS)
377 printf("udf_parse_opts: got `%s'\n", option);
378
379 i = set_option(udf_options, option, buffer, sizeof(buffer));
380 if (i == -1)
381 return 0;
382
383 if (udf_options[i].name == NULL)
384 abort();
385
386 set_sectorsize = 0;
387 stdsize = 0;
388
389 buf = buffer;
390 switch (udf_options[i].letter) {
391 case 'T':
392 if (strcmp(buf, "cdrom") == 0) {
393 mmc_profile = 0x00;
394 } else if (strcmp(buf, "dvdrom") == 0) {
395 mmc_profile = 0x10;
396 } else if (strcmp(buf, "bdrom") == 0) {
397 mmc_profile = 0x40;
398 } else if (strcmp(buf, "dvdram") == 0) {
399 mmc_profile = 0x12;
400 stdsize = DVDRAMSIZE;
401 } else if (strcmp(buf, "bdre") == 0) {
402 mmc_profile = 0x43;
403 stdsize = BDRESIZE;
404 } else if (strcmp(buf, "disk") == 0) {
405 mmc_profile = 0x01;
406 } else if (strcmp(buf, "cdr") == 0) {
407 mmc_profile = 0x09;
408 stdsize = CDRSIZE;
409 } else if (strcmp(buf, "dvdr") == 0) {
410 mmc_profile = 0x1b;
411 stdsize = DVDRSIZE;
412 } else if (strcmp(buf, "bdr") == 0) {
413 mmc_profile = 0x41;
414 stdsize = BDRSIZE;
415 } else if (strcmp(buf, "cdrw") == 0) {
416 mmc_profile = 0x0a;
417 stdsize = CDRWSIZE;
418 } else if (strcmp(buf, "dvdrw") == 0) {
419 mmc_profile = 0x13;
420 stdsize = DVDRWSIZE;
421 } else {
422 errx(EINVAL, "Unknown or unimplemented disc format");
423 return 0;
424 }
425 if (mmc_profile != 0x01)
426 set_sectorsize = 2048;
427 break;
428 case 'L':
429 if (context.logvol_name) free(context.logvol_name);
430 context.logvol_name = strdup(buf);
431 break;
432 case 'P':
433 if ((colon = strstr(buf, ":"))) {
434 if (context.volset_name)
435 free(context.volset_name);
436 *colon = 0;
437 context.volset_name = strdup(buf);
438 buf = colon+1;
439 }
440 if (context.primary_name)
441 free(context.primary_name);
442 if ((strstr(buf, ":"))) {
443 errx(EINVAL, "primary name can't have ':' in its name");
444 return 0;
445 }
446 context.primary_name = strdup(buf);
447 break;
448 case 'v':
449 context.min_udf = a_udf_version(buf, "min_udf");
450 if (context.min_udf > 0x201) {
451 errx(EINVAL, "maximum supported version is UDF 2.01");
452 return 0;
453 }
454 if (context.min_udf > context.max_udf)
455 context.max_udf = context.min_udf;
456 break;
457 }
458 if (set_sectorsize)
459 fsopts->sectorsize = set_sectorsize;
460 if (stdsize)
461 fsopts->size = stdsize;
462 return 1;
463 }
464
465 /* --------------------------------------------------------------------- */
466
467 struct udf_stats {
468 uint32_t nfiles;
469 uint32_t ndirs;
470 uint32_t ndescr;
471 uint32_t nmetadatablocks;
472 uint32_t ndatablocks;
473 };
474
475
476 /* node reference administration */
477 static void
478 udf_inc_link(union dscrptr *dscr)
479 {
480 struct file_entry *fe;
481 struct extfile_entry *efe;
482
483 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) {
484 fe = &dscr->fe;
485 fe->link_cnt = udf_rw16(udf_rw16(fe->link_cnt) + 1);
486 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) {
487 efe = &dscr->efe;
488 efe->link_cnt = udf_rw16(udf_rw16(efe->link_cnt) + 1);
489 } else {
490 errx(1, "Bad tag passed to udf_inc_link");
491 }
492 }
493
494
495 static void
496 udf_set_link_cnt(union dscrptr *dscr, int num)
497 {
498 struct file_entry *fe;
499 struct extfile_entry *efe;
500
501 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) {
502 fe = &dscr->fe;
503 fe->link_cnt = udf_rw16(num);
504 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) {
505 efe = &dscr->efe;
506 efe->link_cnt = udf_rw16(num);
507 } else {
508 errx(1, "Bad tag passed to udf_set_link_cnt");
509 }
510 }
511
512
513 static uint32_t
514 udf_datablocks(off_t sz)
515 {
516 /* predictor if it can be written inside the node */
517 if (sz < context.sector_size - UDF_EXTFENTRY_SIZE - 16)
518 return 0;
519
520 return UDF_ROUNDUP(sz, context.sector_size) / context.sector_size;
521 }
522
523
524 static void
525 udf_prepare_fids(struct long_ad *dir_icb, struct long_ad *dirdata_icb,
526 uint8_t *dirdata, uint32_t dirdata_size)
527 {
528 struct fileid_desc *fid;
529 struct long_ad *icb;
530 uint32_t fidsize, offset;
531 uint32_t location;
532
533 if (udf_datablocks(dirdata_size) == 0) {
534 /* going internal */
535 icb = dir_icb;
536 } else {
537 /* external blocks to write to */
538 icb = dirdata_icb;
539 }
540
541 for (offset = 0; offset < dirdata_size; offset += fidsize) {
542 /* for each FID: */
543 fid = (struct fileid_desc *) (dirdata + offset);
544 assert(udf_rw16(fid->tag.id) == TAGID_FID);
545
546 location = udf_rw32(icb->loc.lb_num);
547 location += offset / context.sector_size;
548
549 fid->tag.tag_loc = udf_rw32(location);
550 udf_validate_tag_and_crc_sums((union dscrptr *) fid);
551
552 fidsize = udf_fidsize(fid);
553 }
554 }
555
556 static int
557 udf_file_inject_blob(union dscrptr *dscr, uint8_t *blob, off_t size)
558 {
559 struct icb_tag *icb;
560 struct file_entry *fe;
561 struct extfile_entry *efe;
562 uint64_t inf_len, obj_size;
563 uint32_t l_ea, l_ad;
564 uint32_t free_space, desc_size;
565 uint16_t crclen;
566 uint8_t *data, *pos;
567
568 fe = NULL;
569 efe = NULL;
570 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) {
571 fe = &dscr->fe;
572 data = fe->data;
573 l_ea = udf_rw32(fe->l_ea);
574 l_ad = udf_rw32(fe->l_ad);
575 icb = &fe->icbtag;
576 inf_len = udf_rw64(fe->inf_len);
577 obj_size = 0;
578 desc_size = sizeof(struct file_entry);
579 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) {
580 efe = &dscr->efe;
581 data = efe->data;
582 l_ea = udf_rw32(efe->l_ea);
583 l_ad = udf_rw32(efe->l_ad);
584 icb = &efe->icbtag;
585 inf_len = udf_rw64(efe->inf_len);
586 obj_size = udf_rw64(efe->obj_size);
587 desc_size = sizeof(struct extfile_entry);
588 } else {
589 errx(1, "Bad tag passed to udf_file_inject_blob");
590 }
591 crclen = udf_rw16(dscr->tag.desc_crc_len);
592
593 /* calculate free space */
594 free_space = context.sector_size - (l_ea + l_ad) - desc_size;
595 if (udf_datablocks(size)) {
596 #if !defined(NDEBUG) && defined(__minix)
597 assert(free_space < size);
598 #else
599 if (!(free_space < size)) {
600 printf("%s:%d not enough free space\n", __FILE__, __LINE__);
601 abort();
602 }
603 #endif /* !defined(NDEBUG) && defined(__minix) */
604 return 1;
605 }
606
607 /* going internal */
608 assert(l_ad == 0);
609 #if !defined(NDEBUG) && defined(__minix)
610 assert((udf_rw16(icb->flags) & UDF_ICB_TAG_FLAGS_ALLOC_MASK) ==
611 UDF_ICB_INTERN_ALLOC);
612 #else
613 if (!((udf_rw16(icb->flags) & UDF_ICB_TAG_FLAGS_ALLOC_MASK) == UDF_ICB_INTERN_ALLOC)) {
614 printf("%s:%d: allocation flags mismatch\n", __FILE__, __LINE__);
615 abort();
616 }
617 #endif /* !defined(NDEBUG) && defined(__minix) */
618
619 // assert(free_space >= size);
620 pos = data + l_ea + l_ad;
621 memcpy(pos, blob, size);
622 l_ad += size;
623 crclen += size;
624
625 inf_len += size;
626 obj_size += size;
627
628 if (fe) {
629 fe->l_ad = udf_rw32(l_ad);
630 fe->inf_len = udf_rw64(inf_len);
631 } else if (efe) {
632 efe->l_ad = udf_rw32(l_ad);
633 efe->inf_len = udf_rw64(inf_len);
634 efe->obj_size = udf_rw64(inf_len);
635 }
636
637 /* make sure the header sums stays correct */
638 dscr->tag.desc_crc_len = udf_rw16(crclen);
639 udf_validate_tag_and_crc_sums(dscr);
640
641 return 0;
642 }
643
644
645 /* XXX no sparse file support */
646 static void
647 udf_append_file_mapping(union dscrptr *dscr, struct long_ad *piece)
648 {
649 struct icb_tag *icb;
650 struct file_entry *fe;
651 struct extfile_entry *efe;
652 struct long_ad *last_long, last_piece;
653 struct short_ad *last_short, new_short;
654 uint64_t inf_len, obj_size, logblks_rec;
655 uint32_t l_ea, l_ad, size;
656 uint32_t last_lb_num, piece_lb_num;
657 uint64_t last_len, piece_len, last_flags;
658 uint64_t rest_len, merge_len, last_end;
659 uint16_t last_part_num, piece_part_num;
660 uint16_t crclen, cur_alloc;
661 uint8_t *data, *pos;
662 const int short_len = sizeof(struct short_ad);
663 const int long_len = sizeof(struct long_ad);
664 const int sector_size = context.sector_size;
665 const int use_shorts = (context.data_part == context.metadata_part);
666 uint64_t max_len = UDF_ROUNDDOWN(UDF_EXT_MAXLEN, sector_size);
667
668 fe = NULL;
669 efe = NULL;
670 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) {
671 fe = &dscr->fe;
672 data = fe->data;
673 l_ea = fe->l_ea;
674 l_ad = udf_rw32(fe->l_ad);
675 icb = &fe->icbtag;
676 inf_len = udf_rw64(fe->inf_len);
677 logblks_rec = udf_rw64(fe->logblks_rec);
678 obj_size = 0;
679 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) {
680 efe = &dscr->efe;
681 data = efe->data;
682 l_ea = efe->l_ea;
683 l_ad = udf_rw32(efe->l_ad);
684 icb = &efe->icbtag;
685 inf_len = udf_rw64(efe->inf_len);
686 obj_size = udf_rw64(efe->obj_size);
687 logblks_rec = udf_rw64(efe->logblks_rec);
688 } else {
689 errx(1, "Bad tag passed to udf_file_append_blob");
690 }
691 crclen = udf_rw16(dscr->tag.desc_crc_len);
692
693 pos = data + l_ea;
694 cur_alloc = udf_rw16(icb->flags);
695 size = UDF_EXT_LEN(udf_rw32(piece->len));
696
697 /* extract last entry as a long_ad */
698 memset(&last_piece, 0, sizeof(last_piece));
699 last_len = 0;
700 last_lb_num = 0;
701 last_part_num = 0;
702 last_flags = 0;
703 last_short = NULL;
704 last_long = NULL;
705 if (l_ad != 0) {
706 if (use_shorts) {
707 #if !defined(NDEBUG) && defined(__minix)
708 assert(cur_alloc == UDF_ICB_SHORT_ALLOC);
709 #else
710 if (!(cur_alloc == UDF_ICB_SHORT_ALLOC)) {
711 printf("%s:%d: Expecting UDF_ICB_SHORT_ALLOC allocation\n", __FILE__, __LINE__);
712 abort();
713 }
714 #endif /* !defined(NDEBUG) && defined(__minix) */
715 pos += l_ad - short_len;
716 last_short = (struct short_ad *) pos;
717 last_lb_num = udf_rw32(last_short->lb_num);
718 last_part_num = udf_rw16(piece->loc.part_num);
719 last_len = UDF_EXT_LEN(udf_rw32(last_short->len));
720 last_flags = UDF_EXT_FLAGS(udf_rw32(last_short->len));
721 } else {
722 #if !defined(NDEBUG) && defined(__minix)
723 assert(cur_alloc == UDF_ICB_LONG_ALLOC);
724 #else
725 if (!(cur_alloc == UDF_ICB_LONG_ALLOC)) {
726 printf("%s:%d: Expecting UDF_ICB_LONG_ALLOC allocation\n", __FILE__, __LINE__);
727 abort();
728 }
729 #endif /* !defined(NDEBUG) && defined(__minix) */
730 pos += l_ad - long_len;
731 last_long = (struct long_ad *) pos;
732 last_lb_num = udf_rw32(last_long->loc.lb_num);
733 last_part_num = udf_rw16(last_long->loc.part_num);
734 last_len = UDF_EXT_LEN(udf_rw32(last_long->len));
735 last_flags = UDF_EXT_FLAGS(udf_rw32(last_long->len));
736 }
737 }
738
739 piece_len = UDF_EXT_LEN(udf_rw32(piece->len));
740 piece_lb_num = udf_rw32(piece->loc.lb_num);
741 piece_part_num = udf_rw16(piece->loc.part_num);
742
743 /* try merging */
744 rest_len = max_len - last_len;
745
746 merge_len = MIN(piece_len, rest_len);
747 last_end = last_lb_num + (last_len / sector_size);
748
749 if ((piece_lb_num == last_end) && (last_part_num == piece_part_num)) {
750 /* we can merge */
751 last_len += merge_len;
752 piece_len -= merge_len;
753
754 /* write back merge result */
755 if (use_shorts) {
756 last_short->len = udf_rw32(last_len | last_flags);
757 } else {
758 last_long->len = udf_rw32(last_len | last_flags);
759 }
760 piece_lb_num += merge_len / sector_size;
761 }
762
763 if (piece_len) {
764 /* append new entry */
765 pos = data + l_ea + l_ad;
766 if (use_shorts) {
767 icb->flags = udf_rw16(UDF_ICB_SHORT_ALLOC);
768 memset(&new_short, 0, short_len);
769 new_short.len = udf_rw32(piece_len);
770 new_short.lb_num = udf_rw32(piece_lb_num);
771 memcpy(pos, &new_short, short_len);
772 l_ad += short_len;
773 crclen += short_len;
774 } else {
775 icb->flags = udf_rw16(UDF_ICB_LONG_ALLOC);
776 piece->len = udf_rw32(piece_len);
777 piece->loc.lb_num = udf_rw32(piece_lb_num);
778 memcpy(pos, piece, long_len);
779 l_ad += long_len;
780 crclen += long_len;
781 }
782 }
783 piece->len = udf_rw32(0);
784
785 inf_len += size;
786 obj_size += size;
787 logblks_rec += UDF_ROUNDUP(size, sector_size) / sector_size;
788
789 dscr->tag.desc_crc_len = udf_rw16(crclen);
790 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) {
791 fe->l_ad = udf_rw32(l_ad);
792 fe->inf_len = udf_rw64(inf_len);
793 fe->logblks_rec = udf_rw64(logblks_rec);
794 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) {
795 efe->l_ad = udf_rw32(l_ad);
796 efe->inf_len = udf_rw64(inf_len);
797 efe->obj_size = udf_rw64(inf_len);
798 efe->logblks_rec = udf_rw64(logblks_rec);
799 }
800 }
801
802
803 static int
804 udf_append_file_contents(union dscrptr *dscr, struct long_ad *data_icb,
805 uint8_t *fdata, off_t flen)
806 {
807 struct long_ad icb;
808 uint32_t location;
809 uint64_t phys;
810 uint16_t vpart;
811 uint8_t *bpos;
812 int cnt, sects;
813 int error;
814
815 if (udf_file_inject_blob(dscr, fdata, flen) == 0)
816 return 0;
817
818 /* has to be appended in mappings */
819 icb = *data_icb;
820 icb.len = udf_rw32(flen);
821 while (udf_rw32(icb.len) > 0)
822 udf_append_file_mapping(dscr, &icb);
823 udf_validate_tag_and_crc_sums(dscr);
824
825 /* write out data piece */
826 vpart = udf_rw16(data_icb->loc.part_num);
827 location = udf_rw32(data_icb->loc.lb_num);
828 sects = udf_datablocks(flen);
829 for (cnt = 0; cnt < sects; cnt++) {
830 bpos = fdata + cnt*context.sector_size;
831 phys = context.vtop_offset[vpart] + location + cnt;
832 error = udf_write_sector(bpos, phys);
833 if (error)
834 return error;
835 }
836 return 0;
837 }
838
839
840 static int
841 udf_create_new_file(struct stat *st, union dscrptr **dscr,
842 int filetype, struct long_ad *icb)
843 {
844 struct file_entry *fe;
845 struct extfile_entry *efe;
846 int error;
847
848 fe = NULL;
849 efe = NULL;
850 if (context.dscrver == 2) {
851 error = udf_create_new_fe(&fe, filetype, st);
852 if (error)
853 errx(error, "can't create fe");
854 *dscr = (union dscrptr *) fe;
855 icb->longad_uniqueid = fe->unique_id;
856 } else {
857 error = udf_create_new_efe(&efe, filetype, st);
858 if (error)
859 errx(error, "can't create fe");
860 *dscr = (union dscrptr *) efe;
861 icb->longad_uniqueid = efe->unique_id;
862 }
863
864 return 0;
865 }
866
867
868 static void
869 udf_estimate_walk(fsinfo_t *fsopts,
870 fsnode *root, char *dir, struct udf_stats *stats)
871 {
872 struct fileid_desc *fid;
873 struct long_ad dummy_ref;
874 fsnode *cur;
875 fsinode *fnode;
876 size_t pathlen = strlen(dir);
877 char *mydir = dir + pathlen;
878 off_t sz;
879 uint32_t nblk, ddoff;
880 uint32_t softlink_len;
881 uint8_t *softlink_buf;
882 int nentries;
883 int error;
884
885 stats->ndirs++;
886
887 /*
888 * Count number of directory entries and count directory size; needed
889 * for the reservation of enough space for the directory. Pity we
890 * don't keep the FIDs we created. If it turns out to be a issue we
891 * can cache it later.
892 */
893 fid = (struct fileid_desc *) malloc(context.sector_size);
894 assert(fid);
895
896 ddoff = 40; /* '..' entry */
897 for (cur = root, nentries = 0; cur != NULL; cur = cur->next) {
898 switch (cur->type & S_IFMT) {
899 default:
900 /* what kind of nodes? */
901 break;
902 case S_IFCHR:
903 case S_IFBLK:
904 /* not supported yet */
905 continue;
906 case S_IFDIR:
907 if (strcmp(cur->name, ".") == 0)
908 continue;
909 case S_IFLNK:
910 case S_IFREG:
911 /* create dummy FID to see how long name will become */
912 memset(&dummy_ref, 0, sizeof(dummy_ref));
913 udf_create_fid(ddoff, fid, cur->name, 0, &dummy_ref);
914
915 nentries++;
916 ddoff += udf_fidsize(fid);
917 }
918 }
919 sz = ddoff;
920
921 root->inode->st.st_size = sz; /* max now */
922 root->inode->flags |= FI_SIZED;
923
924 nblk = udf_datablocks(sz);
925 stats->nmetadatablocks += nblk;
926
927 /* for each entry in the directory, there needs to be a (E)FE */
928 stats->nmetadatablocks += nentries + 1;
929
930 /* recurse */
931 for (cur = root; cur != NULL; cur = cur->next) {
932 switch (cur->type & S_IFMT) {
933 default:
934 /* what kind of nodes? */
935 break;
936 case S_IFCHR:
937 case S_IFBLK:
938 /* not supported yet */
939 // stats->nfiles++;
940 break;
941 case S_IFDIR:
942 if (strcmp(cur->name, ".") == 0)
943 continue;
944 /* empty dir? */
945 if (!cur->child)
946 break;
947 mydir[0] = '/';
948 strncpy(&mydir[1], cur->name, MAXPATHLEN - pathlen);
949 udf_estimate_walk(fsopts, cur->child, dir, stats);
950 mydir[0] = '\0';
951 break;
952 case S_IFREG:
953 fnode = cur->inode;
954 /* don't double-count hard-links */
955 if (!(fnode->flags & FI_SIZED)) {
956 sz = fnode->st.st_size;
957 nblk = udf_datablocks(sz);
958 stats->ndatablocks += nblk;
959 /* ... */
960 fnode->flags |= FI_SIZED;
961 }
962 stats->nfiles++;
963 break;
964 case S_IFLNK:
965 /* softlink */
966 fnode = cur->inode;
967 /* don't double-count hard-links */
968 if (!(fnode->flags & FI_SIZED)) {
969 error = udf_encode_symlink(&softlink_buf,
970 &softlink_len, cur->symlink);
971 if (error) {
972 printf("SOFTLINK error %d\n", error);
973 break;
974 }
975 nblk = udf_datablocks(softlink_len);
976 stats->ndatablocks += nblk;
977 fnode->flags |= FI_SIZED;
978
979 free(softlink_buf);
980 }
981 stats->nfiles++;
982 break;
983 }
984 }
985 }
986
987
988 #define UDF_MAX_CHUNK_SIZE (4*1024*1024)
989 static int
990 udf_copy_file(struct stat *st, char *path, fsnode *cur, struct fileid_desc *fid,
991 struct long_ad *icb)
992 {
993 union dscrptr *dscr;
994 struct long_ad data_icb;
995 fsinode *fnode;
996 off_t sz, chunk, rd;
997 uint8_t *data;
998 int nblk;
999 int i, f;
1000 int error;
1001
1002 fnode = cur->inode;
1003
1004 f = open(path, O_RDONLY);
1005 if (f < 0) {
1006 warn("Can't open file %s for reading", cur->name);
1007 return errno;
1008 }
1009
1010 /* claim disc space for the (e)fe descriptor for this file */
1011 udf_metadata_alloc(1, icb);
1012 udf_create_new_file(st, &dscr, UDF_ICB_FILETYPE_RANDOMACCESS, icb);
1013
1014 sz = fnode->st.st_size;
1015
1016 chunk = MIN(sz, UDF_MAX_CHUNK_SIZE);
1017 data = malloc(MAX(chunk, context.sector_size));
1018 assert(data);
1019
1020 printf(" ");
1021 i = 0;
1022 error = 0;
1023 while (chunk) {
1024 rd = read(f, data, chunk);
1025 if (rd != chunk) {
1026 warn("Short read of file %s", cur->name);
1027 error = errno;
1028 break;
1029 }
1030 printf("\b%c", "\\|/-"[i++ % 4]); fflush(stdout);fflush(stderr);
1031
1032 nblk = udf_datablocks(chunk);
1033 if (nblk > 0)
1034 udf_data_alloc(nblk, &data_icb);
1035 udf_append_file_contents(dscr, &data_icb, data, chunk);
1036
1037 sz -= chunk;
1038 chunk = MIN(sz, UDF_MAX_CHUNK_SIZE);
1039 }
1040 printf("\b \n");
1041 close(f);
1042 free(data);
1043
1044 /* write out dscr (e)fe */
1045 udf_set_link_cnt(dscr, fnode->nlink);
1046 udf_write_dscr_virt(dscr, udf_rw32(icb->loc.lb_num),
1047 udf_rw16(icb->loc.part_num), 1);
1048 free(dscr);
1049
1050 /* remember our location for hardlinks */
1051 cur->inode->fsuse = malloc(sizeof(struct long_ad));
1052 memcpy(cur->inode->fsuse, icb, sizeof(struct long_ad));
1053
1054 return error;
1055 }
1056
1057
1058 static int
1059 udf_populate_walk(fsinfo_t *fsopts, fsnode *root, char *dir,
1060 struct long_ad *parent_icb, struct long_ad *dir_icb)
1061 {
1062 union dscrptr *dir_dscr, *dscr;
1063 struct fileid_desc *fid;
1064 struct long_ad icb, data_icb, dirdata_icb;
1065 fsnode *cur;
1066 fsinode *fnode;
1067 size_t pathlen = strlen(dir);
1068 size_t dirlen;
1069 char *mydir = dir + pathlen;
1070 uint32_t nblk, ddoff;
1071 uint32_t softlink_len;
1072 uint8_t *softlink_buf;
1073 uint8_t *dirdata;
1074 int error, ret, retval;
1075
1076 /* claim disc space for the (e)fe descriptor for this dir */
1077 udf_metadata_alloc(1, dir_icb);
1078
1079 /* create new e(fe) */
1080 udf_create_new_file(&root->inode->st, &dir_dscr,
1081 UDF_ICB_FILETYPE_DIRECTORY, dir_icb);
1082
1083 /* claim space for the directory contents */
1084 dirlen = root->inode->st.st_size;
1085 nblk = udf_datablocks(dirlen);
1086 if (nblk > 0) {
1087 /* claim disc space for the dir contents */
1088 udf_data_alloc(nblk, &dirdata_icb);
1089 }
1090
1091 /* allocate memory for the directory contents */
1092 nblk++;
1093 dirdata = malloc(nblk * context.sector_size);
1094 assert(dirdata);
1095 memset(dirdata, 0, nblk * context.sector_size);
1096
1097 /* create and append '..' */
1098 fid = (struct fileid_desc *) dirdata;
1099 ddoff = udf_create_parentfid(fid, parent_icb);
1100
1101 /* for '..' */
1102 udf_inc_link(dir_dscr);
1103
1104 /* recurse */
1105 retval = 0;
1106 for (cur = root; cur != NULL; cur = cur->next) {
1107 mydir[0] = '/';
1108 strncpy(&mydir[1], cur->name, MAXPATHLEN - pathlen);
1109
1110 fid = (struct fileid_desc *) (dirdata + ddoff);
1111 switch (cur->type & S_IFMT) {
1112 default:
1113 /* what kind of nodes? */
1114 retval = 2;
1115 break;
1116 case S_IFCHR:
1117 case S_IFBLK:
1118 /* not supported */
1119 retval = 2;
1120 warnx("device node %s not supported", dir);
1121 break;
1122 case S_IFDIR:
1123 /* not an empty dir? */
1124 if (strcmp(cur->name, ".") == 0)
1125 break;
1126 assert(cur->child);
1127 if (cur->child) {
1128 ret = udf_populate_walk(fsopts, cur->child,
1129 dir, dir_icb, &icb);
1130 if (ret)
1131 retval = 2;
1132 }
1133 udf_create_fid(ddoff, fid, cur->name,
1134 UDF_FILE_CHAR_DIR, &icb);
1135 udf_inc_link(dir_dscr);
1136 ddoff += udf_fidsize(fid);
1137 break;
1138 case S_IFREG:
1139 fnode = cur->inode;
1140 /* don't re-copy hard-links */
1141 if (!(fnode->flags & FI_WRITTEN)) {
1142 printf("%s", dir);
1143 error = udf_copy_file(&fnode->st, dir, cur,
1144 fid, &icb);
1145 if (!error) {
1146 fnode->flags |= FI_WRITTEN;
1147 udf_create_fid(ddoff, fid, cur->name,
1148 0, &icb);
1149 ddoff += udf_fidsize(fid);
1150 } else {
1151 retval = 2;
1152 }
1153 } else {
1154 /* hardlink! */
1155 printf("%s (hardlink)\n", dir);
1156 udf_create_fid(ddoff, fid, cur->name,
1157 0, (struct long_ad *) (fnode->fsuse));
1158 ddoff += udf_fidsize(fid);
1159 }
1160 fnode->nlink--;
1161 if (fnode->nlink == 0)
1162 free(fnode->fsuse);
1163 break;
1164 case S_IFLNK:
1165 /* softlink */
1166 fnode = cur->inode;
1167 printf("%s -> %s\n", dir, cur->symlink);
1168 error = udf_encode_symlink(&softlink_buf,
1169 &softlink_len, cur->symlink);
1170 if (error) {
1171 printf("SOFTLINK error %d\n", error);
1172 retval = 2;
1173 break;
1174 }
1175
1176 udf_metadata_alloc(1, &icb);
1177 udf_create_new_file(&fnode->st, &dscr,
1178 UDF_ICB_FILETYPE_SYMLINK, &icb);
1179
1180 nblk = udf_datablocks(softlink_len);
1181 if (nblk > 0)
1182 udf_data_alloc(nblk, &data_icb);
1183 udf_append_file_contents(dscr, &data_icb,
1184 softlink_buf, softlink_len);
1185
1186 /* write out dscr (e)fe */
1187 udf_inc_link(dscr);
1188 udf_write_dscr_virt(dscr, udf_rw32(icb.loc.lb_num),
1189 udf_rw16(icb.loc.part_num), 1);
1190
1191 free(dscr);
1192 free(softlink_buf);
1193
1194 udf_create_fid(ddoff, fid, cur->name, 0, &icb);
1195 ddoff += udf_fidsize(fid);
1196 break;
1197 }
1198 mydir[0] = '\0';
1199 }
1200
1201 /* writeout directory contents */
1202 dirlen = ddoff; /* XXX might bite back */
1203
1204 udf_prepare_fids(dir_icb, &dirdata_icb, dirdata, dirlen);
1205 udf_append_file_contents(dir_dscr, &dirdata_icb, dirdata, dirlen);
1206
1207 /* write out dir_dscr (e)fe */
1208 udf_write_dscr_virt(dir_dscr, udf_rw32(dir_icb->loc.lb_num),
1209 udf_rw16(dir_icb->loc.part_num), 1);
1210
1211 free(dirdata);
1212 free(dir_dscr);
1213 return retval;
1214 }
1215
1216
1217 static int
1218 udf_populate(const char *dir, fsnode *root, fsinfo_t *fsopts,
1219 struct udf_stats *stats)
1220 {
1221 struct long_ad rooticb;
1222 static char path[MAXPATHLEN+1];
1223 int error;
1224
1225 /* make sure the root gets the rootdir entry */
1226 context.metadata_alloc_pos = layout.rootdir;
1227 context.data_alloc_pos = layout.rootdir;
1228
1229 strncpy(path, dir, sizeof(path));
1230 error = udf_populate_walk(fsopts, root, path, &rooticb, &rooticb);
1231
1232 return error;
1233 }
1234
1235
1236 static void
1237 udf_enumerate_and_estimate(const char *dir, fsnode *root, fsinfo_t *fsopts,
1238 struct udf_stats *stats)
1239 {
1240 char path[MAXPATHLEN + 1];
1241 off_t proposed_size;
1242 uint32_t n, nblk;
1243
1244 strncpy(path, dir, sizeof(path));
1245
1246 /* calculate strict minimal size */
1247 udf_estimate_walk(fsopts, root, path, stats);
1248 printf("ndirs %d\n", stats->ndirs);
1249 printf("nfiles %d\n", stats->nfiles);
1250 printf("ndata_blocks %d\n", stats->ndatablocks);
1251 printf("nmetadata_blocks %d\n", stats->nmetadatablocks);
1252 printf("\n");
1253
1254 /* adjust for options : free file nodes */
1255 if (fsopts->freefiles) {
1256 /* be mercifull and reserve more for the FID */
1257 stats->nmetadatablocks += fsopts->freefiles * 1.5;
1258 } else if ((n = fsopts->freefilepc)) {
1259 stats->nmetadatablocks += (stats->nmetadatablocks*n) / (100-n);
1260 }
1261
1262 /* adjust for options : free data blocks */
1263 if (fsopts->freeblocks) {
1264 stats->ndatablocks += fsopts->freeblocks;
1265 } else if ((n = fsopts->freeblockpc)) {
1266 stats->ndatablocks += (stats->ndatablocks * n) / (100-n);
1267 }
1268
1269 /* rough predictor of minimum disc size */
1270 nblk = stats->ndatablocks + stats->nmetadatablocks;
1271 nblk = (double) nblk * (1.0 + 1.0/8.0); /* free space map */
1272 nblk += 256; /* pre-volume space */
1273 nblk += 256; /* post-volume space */
1274 nblk += 64; /* safeguard */
1275
1276 /* try to honour minimum size */
1277 n = fsopts->minsize / fsopts->sectorsize;
1278 if (nblk < n) {
1279 stats->ndatablocks += (n - nblk);
1280 nblk += n - nblk;
1281 }
1282 proposed_size = (off_t) nblk * fsopts->sectorsize;
1283 /* sanity size */
1284 if (proposed_size < 512*1024)
1285 proposed_size = 512*1024;
1286
1287 if (fsopts->size) {
1288 if (fsopts->size < proposed_size)
1289 err(EINVAL, "makefs_udf: won't fit on disc!");
1290 } else {
1291 fsopts->size = proposed_size;
1292 }
1293
1294 fsopts->inodes = stats->nfiles + stats->ndirs;
1295 }
1296
1297
1298 void
1299 udf_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts)
1300 {
1301 struct udf_stats stats;
1302 uint64_t truncate_len;
1303 char scrap[255];
1304 int error;
1305
1306 /* determine format */
1307 udf_emulate_discinfo(fsopts, &mmc_discinfo, mmc_profile);
1308 printf("req_enable %d, req_disable %d\n", req_enable, req_disable);
1309
1310 context.sector_size = fsopts->sectorsize;
1311 error = udf_derive_format(req_enable, req_disable, false);
1312 if (error)
1313 err(EINVAL, "makefs_udf: can't determine format");
1314
1315 /* names */
1316 error = udf_proces_names();
1317 if (error)
1318 err(EINVAL, "makefs_udf: bad names given");
1319
1320 /* set return value to 1 indicating error */
1321 error = 1;
1322
1323 /* estimate the amount of space needed */
1324 memset(&stats, 0, sizeof(stats));
1325 udf_enumerate_and_estimate(dir, root, fsopts, &stats);
1326
1327 printf("Calculated size of `%s': %lld bytes, %ld inodes\n",
1328 image, (long long)fsopts->size, (long)fsopts->inodes);
1329
1330 /* create file image */
1331 if ((fd = open(image, O_RDWR | O_CREAT | O_TRUNC, 0666)) == -1) {
1332 err(EXIT_FAILURE, "%s", image);
1333 }
1334 if (lseek(fd, fsopts->size - 1, SEEK_SET) == -1) {
1335 goto err_exit;
1336 }
1337 if (write(fd, &fd, 1) != 1) {
1338 goto err_exit;
1339 }
1340 if (lseek(fd, 0, SEEK_SET) == -1) {
1341 goto err_exit;
1342 }
1343 fsopts->fd = fd;
1344
1345 /* calculate metadata percentage */
1346 meta_fract = fsopts->size / (stats.nmetadatablocks*fsopts->sectorsize);
1347 meta_fract = ((int) ((meta_fract + 0.005)*100.0)) / 100;
1348
1349 /* update mmc info but now with correct size */
1350 udf_emulate_discinfo(fsopts, &mmc_discinfo, mmc_profile);
1351
1352 printf("Building disc compatible with UDF version %x to %x\n\n",
1353 context.min_udf, context.max_udf);
1354 (void)snprintb(scrap, sizeof(scrap), FORMAT_FLAGBITS,
1355 (uint64_t) format_flags);
1356 printf("UDF properties %s\n", scrap);
1357 printf("Volume set `%s'\n", context.volset_name);
1358 printf("Primary volume `%s`\n", context.primary_name);
1359 printf("Logical volume `%s`\n", context.logvol_name);
1360 if (format_flags & FORMAT_META)
1361 printf("Metadata percentage %d %%\n",
1362 (int) (100.0*stats.ndatablocks/stats.nmetadatablocks));
1363 printf("\n");
1364 udf_do_newfs_prefix();
1365
1366 /* update context */
1367 context.unique_id = 0;
1368
1369 /* XXX are the next two needed? or should be re-count them? */
1370 context.num_files = stats.nfiles;
1371 context.num_directories = stats.ndirs;
1372
1373 error = udf_populate(dir, root, fsopts, &stats);
1374
1375 udf_do_newfs_postfix();
1376
1377 if (format_flags & FORMAT_VAT) {
1378 truncate_len = context.vtop_offset[context.data_part] +
1379 context.data_alloc_pos;
1380 truncate_len *= context.sector_size;
1381
1382 printf("\nTruncing the disc-image to allow for VAT\n");
1383 printf("Free space left on this volume approx. "
1384 "%"PRIu64" KiB, %"PRIu64" MiB\n",
1385 (fsopts->size - truncate_len)/1024,
1386 (fsopts->size - truncate_len)/1024/1024);
1387 ftruncate(fd, truncate_len);
1388 }
1389
1390 if (error) {
1391 error = 2; /* some files couldn't be added */
1392 goto err_exit;
1393 }
1394
1395 close(fd);
1396 return;
1397
1398 err_exit:
1399 close(fd);
1400 if (error == 2) {
1401 errx(error, "Not all files could be added");
1402 } else {
1403 errx(error, "creation of %s failed", image);
1404 }
1405 }
1406
MINIX 3 (repo.or.cz mirror)