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* Program write.c - dump memory structures to file for iso9660 filesystem.
4
Written by Eric Youngdale (1993).
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Copyright 1993 Yggdrasil Computing, Incorporated
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Copyright (C) 2009 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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#include <sys/types.h>
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#include "msdos_partition.h"
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extern char * strdup(const char *);
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extern char * strdup(const char *);
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/* Max number of sectors we will write at one time */
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/* Counters for statistics */
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static int table_size = 0;
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static int total_dir_size = 0;
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static int rockridge_size = 0;
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static struct directory ** pathlist;
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static int next_path_index = 1;
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struct output_fragment * out_tail;
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struct output_fragment * out_list;
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struct iso_primary_descriptor vol_desc;
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static int root_gen __PR((void));
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static int generate_path_tables __PR((void));
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static int file_gen __PR((void));
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static int dirtree_dump __PR((void));
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/* Routines to actually write the disc. We write sequentially so that
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we could write a tape, or write the disc directly */
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#define FILL_SPACE(X) memset(vol_desc.X, ' ', sizeof(vol_desc.X))
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void FDECL2(set_721, char *, pnt, unsigned int, i)
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pnt[1] = (i >> 8) & 0xff;
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void FDECL2(set_722, char *, pnt, unsigned int, i)
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pnt[0] = (i >> 8) & 0xff;
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void FDECL2(set_723, char *, pnt, unsigned int, i)
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pnt[3] = pnt[0] = i & 0xff;
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pnt[2] = pnt[1] = (i >> 8) & 0xff;
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void FDECL2(set_731, char *, pnt, unsigned int, i)
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pnt[1] = (i >> 8) & 0xff;
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pnt[2] = (i >> 16) & 0xff;
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pnt[3] = (i >> 24) & 0xff;
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void FDECL2(set_732, char *, pnt, unsigned int, i)
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pnt[2] = (i >> 8) & 0xff;
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pnt[1] = (i >> 16) & 0xff;
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pnt[0] = (i >> 24) & 0xff;
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int FDECL1(get_731, char *, p)
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return ((p[0] & 0xff)
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| ((p[1] & 0xff) << 8)
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| ((p[2] & 0xff) << 16)
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| ((p[3] & 0xff) << 24));
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int FDECL1(get_733, char *, p)
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return ((p[0] & 0xff)
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| ((p[1] & 0xff) << 8)
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| ((p[2] & 0xff) << 16)
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| ((p[3] & 0xff) << 24));
131
void FDECL2(set_733, char *, pnt, unsigned int, i)
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pnt[7] = pnt[0] = i & 0xff;
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pnt[6] = pnt[1] = (i >> 8) & 0xff;
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pnt[5] = pnt[2] = (i >> 16) & 0xff;
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pnt[4] = pnt[3] = (i >> 24) & 0xff;
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void FDECL4(xfwrite, void *, buffer, uint64_t, count, uint64_t, size, FILE *, file)
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* This is a hack that could be made better. XXXIs this the only place?
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* It is definitely needed on Operating Systems that do not
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* allow to write files that are > 2GB.
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* If the system is fast enough to be able to feed 1400 KB/s
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* writing speed of a DVD-R drive, use stdout.
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* If the system cannot do this reliable, you need to use this
151
if (split_output != 0 &&
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(idx == 0 || ftell(file) >= (1024 * 1024 * 1024) )) {
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extern char *outfile;
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sprintf(nbuf, "%s_%02d", outfile, idx++);
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file = freopen(nbuf, "wb", file);
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error (1, errno, _("Cannot open `%s'"), nbuf);
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size_t got = fwrite (buffer, size, count, file);
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error (1, errno, _("cannot fwrite %llu*%llu\n"), size, count);
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count-=got,*(char**)&buffer+=size*got;
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struct deferred_write
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struct deferred_write * next;
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static struct deferred_write * dw_head = NULL, * dw_tail = NULL;
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uint64_t last_extent_written = 0;
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static unsigned int path_table_index;
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/* We recursively walk through all of the directories and assign extent
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numbers to them. We have already assigned extent numbers to everything that
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goes in front of them */
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static int FDECL1(assign_directory_addresses, struct directory *, node)
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struct directory * dpnt;
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/* skip if it's hidden */
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if(dpnt->dir_flags & INHIBIT_ISO9660_ENTRY) {
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* If we already have an extent for this (i.e. it came from
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* a multisession disc), then don't reassign a new extent.
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dpnt->path_index = next_path_index++;
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if( dpnt->extent == 0 )
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dpnt->extent = last_extent;
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dir_size = (dpnt->size + (SECTOR_SIZE - 1)) >> 11;
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last_extent += dir_size;
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* Leave room for the CE entries for this directory. Keep them
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* close to the reference directory so that access will be
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last_extent += ROUND_UP(dpnt->ce_bytes) >> 11;
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assign_directory_addresses(dpnt->subdir);
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static void FDECL3(write_one_file, char *, filename,
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uint64_t, size, FILE *, outfile)
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char buffer[SECTOR_SIZE * NSECT];
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if ((infile = fopen(filename, "rb")) == NULL)
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error (1, errno, _("cannot open %s\n"), filename);
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use = (remain > SECTOR_SIZE * NSECT - 1 ? NSECT*SECTOR_SIZE : remain);
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use = ROUND_UP(use); /* Round up to nearest sector boundary */
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memset(buffer, 0, use);
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if (fread(buffer, 1, use, infile) == 0)
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error (1, errno, _("cannot read %llu bytes from %s"), use, filename);
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xfwrite(buffer, 1, use, outfile);
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last_extent_written += use/SECTOR_SIZE;
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if((last_extent_written % 1000) < use/SECTOR_SIZE)
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fprintf(stderr,"%d..", last_extent_written);
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if((last_extent_written % 5000) < use/SECTOR_SIZE)
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frac = last_extent_written / (double)last_extent;
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the_end = begun + (now - begun) / frac;
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fprintf (stderr, _("%6.2f%% done, estimate finish %s"),
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frac * 100., ctime(&the_end));
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} /* write_one_file(... */
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static void FDECL1(write_files, FILE *, outfile)
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struct deferred_write * dwpnt, *dwnext;
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write_one_file (dwpnt->table, dwpnt->size, outfile);
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table_size += dwpnt->size;
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vms_write_one_file(dwpnt->name, dwpnt->size, outfile);
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write_one_file(dwpnt->name, dwpnt->size, outfile);
314
} /* write_files(... */
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static void dump_filelist()
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struct deferred_write * dwpnt;
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fprintf(stderr, "File %s\n",dwpnt->name);
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fprintf(stderr,"\n");
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static int FDECL2(compare_dirs, const void *, rr, const void *, ll)
333
struct directory_entry ** r, **l;
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r = (struct directory_entry **) rr;
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l = (struct directory_entry **) ll;
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rpnt = (*r)->isorec.name;
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lpnt = (*l)->isorec.name;
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* If the entries are the same, this is an error.
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if( strcmp(rpnt, lpnt) == 0 )
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* Put the '.' and '..' entries on the head of the sorted list.
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* For normal ASCII, this always happens to be the case, but out of
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* band characters cause this not to be the case sometimes.
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* FIXME(eric) - these tests seem redundant, in taht the name is
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* never assigned these values. It will instead be \000 or \001,
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* and thus should always be sorted correctly. I need to figure
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* out why I thought I needed this in the first place.
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if( strcmp(rpnt, ".") == 0 ) return -1;
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if( strcmp(lpnt, ".") == 0 ) return 1;
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if( strcmp(rpnt, "..") == 0 ) return -1;
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if( strcmp(lpnt, "..") == 0 ) return 1;
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* The code above is wrong (as explained in Eric's comment), leading to incorrect
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* sort order iff the -L option ("allow leading dots") is in effect and a directory
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* contains entries that start with a dot.
370
* (TF, Tue Dec 29 13:49:24 CET 1998)
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if((*r)->isorec.name_len[0] == 1 && *rpnt == 0) return -1; /* '.' */
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if((*l)->isorec.name_len[0] == 1 && *lpnt == 0) return 1;
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if((*r)->isorec.name_len[0] == 1 && *rpnt == 1) return -1; /* '..' */
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if((*l)->isorec.name_len[0] == 1 && *lpnt == 1) return 1;
379
while(*rpnt && *lpnt)
381
if(*rpnt == ';' && *lpnt != ';') return -1;
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if(*rpnt != ';' && *lpnt == ';') return 1;
384
if(*rpnt == ';' && *lpnt == ';') return 0;
386
if(*rpnt == '.' && *lpnt != '.') return -1;
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if(*rpnt != '.' && *lpnt == '.') return 1;
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if((unsigned char)*rpnt < (unsigned char)*lpnt) return -1;
390
if((unsigned char)*rpnt > (unsigned char)*lpnt) return 1;
399
* Function: sort_directory
401
* Purpose: Sort the directory in the appropriate ISO9660
404
* Notes: Returns 0 if OK, returns > 0 if an error occurred.
406
int FDECL1(sort_directory, struct directory_entry **, sort_dir)
412
struct directory_entry * s_entry;
413
struct directory_entry ** sortlist;
415
/* need to keep a count of how many entries are hidden */
419
if (s_entry->de_flags & INHIBIT_ISO9660_ENTRY)
422
s_entry = s_entry->next;
431
* OK, now we know how many there are. Build a vector for sorting.
433
sortlist = (struct directory_entry **)
434
e_malloc(sizeof(struct directory_entry *) * dcount);
441
if(s_entry->de_flags & INHIBIT_ISO9660_ENTRY)
443
/* put any hidden entries at the end of the vector */
444
sortlist[j--] = s_entry;
448
sortlist[dcount] = s_entry;
451
len = s_entry->isorec.name_len[0];
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s_entry->isorec.name[len] = 0;
453
s_entry = s_entry->next;
457
* Each directory is required to contain at least . and ..
466
/* only sort the non-hidden entries */
469
qsort(sortlist, dcount, sizeof(struct directory_entry *),
470
(int (*)(const void *, const void *))compare_dirs);
472
qsort(sortlist, dcount, sizeof(struct directory_entry *),
477
* Now reassemble the linked list in the proper sorted order
478
* We still need the hidden entries, as they may be used in the
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for(i=0; i<dcount+xcount-1; i++)
483
sortlist[i]->next = sortlist[i+1];
486
sortlist[dcount+xcount-1]->next = NULL;
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*sort_dir = sortlist[0];
494
static int root_gen()
498
root_record.length[0] = 1 + sizeof(struct iso_directory_record)
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- sizeof(root_record.name);
500
root_record.ext_attr_length[0] = 0;
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set_733((char *) root_record.extent, root->extent);
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set_733((char *) root_record.size, ROUND_UP(root->size));
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iso9660_date(root_record.date, root_statbuf.st_mtime);
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root_record.flags[0] = 2;
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root_record.file_unit_size[0] = 0;
506
root_record.interleave[0] = 0;
507
set_723(root_record.volume_sequence_number, volume_sequence_number);
508
root_record.name_len[0] = 1;
512
static void FDECL1(assign_file_addresses, struct directory *, dpnt)
514
struct directory * finddir;
515
struct directory_entry * s_entry;
516
struct file_hash *s_hash;
517
struct deferred_write * dwpnt;
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char whole_path[1024];
522
s_entry = dpnt->contents;
523
for(s_entry = dpnt->contents; s_entry; s_entry = s_entry->next)
526
* If we already have an extent for this entry,
527
* then don't assign a new one. It must have come
528
* from a previous session on the disc. Note that
529
* we don't end up scheduling the thing for writing
532
if( isonum_733((unsigned char *) s_entry->isorec.extent) != 0 )
538
* This saves some space if there are symlinks present
540
s_hash = find_hash(s_entry->dev, s_entry->inode);
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fprintf (stderr, _("Cache hit for %s%s%s\n"), s_entry->filedir->de_name,
546
SPATH_SEPARATOR, s_entry->name);
548
set_733((char *) s_entry->isorec.extent, s_hash->starting_block);
549
set_733((char *) s_entry->isorec.size, s_hash->size);
554
* If this is for a directory that is not a . or a .. entry,
555
* then look up the information for the entry. We have already
556
* assigned extents for directories, so we just need to
557
* fill in the blanks here.
559
if (strcmp(s_entry->name,".") && strcmp(s_entry->name,"..") &&
560
s_entry->isorec.flags[0] == 2)
562
finddir = dpnt->subdir;
565
if(finddir->self == s_entry) break;
566
finddir = finddir->next;
568
error (1, 0, _("Fatal goof\n"));
570
set_733((char *) s_entry->isorec.extent, finddir->extent);
571
s_entry->starting_block = finddir->extent;
572
s_entry->size = ROUND_UP(finddir->size);
573
total_dir_size += s_entry->size;
575
set_733((char *) s_entry->isorec.size, ROUND_UP(finddir->size));
581
* If this is . or .., then look up the relevant info from the
584
if(strcmp(s_entry->name,".") == 0)
586
set_733((char *) s_entry->isorec.extent, dpnt->extent);
589
* Set these so that the hash table has the
590
* correct information
592
s_entry->starting_block = dpnt->extent;
593
s_entry->size = ROUND_UP(dpnt->size);
596
s_entry->starting_block = dpnt->extent;
597
set_733((char *) s_entry->isorec.size, ROUND_UP(dpnt->size));
601
if(strcmp(s_entry->name,"..") == 0)
605
total_dir_size += root->size;
607
set_733((char *) s_entry->isorec.extent, dpnt->parent->extent);
610
* Set these so that the hash table has the
611
* correct information
613
s_entry->starting_block = dpnt->parent->extent;
614
s_entry->size = ROUND_UP(dpnt->parent->size);
617
s_entry->starting_block = dpnt->parent->extent;
618
set_733((char *) s_entry->isorec.size, ROUND_UP(dpnt->parent->size));
623
* Some ordinary non-directory file. Just schedule the
624
* file to be written. This is all quite
625
* straightforward, just make a list and assign extents
626
* as we go. Once we get through writing all of the
627
* directories, we should be ready write out these
632
dwpnt = (struct deferred_write *)
633
e_malloc(sizeof(struct deferred_write));
636
dw_tail->next = dwpnt;
644
if(s_entry->inode == TABLE_INODE)
646
dwpnt->table = s_entry->table;
648
sprintf(whole_path,"%s%sTRANS.TBL",
649
s_entry->filedir->whole_name, SPATH_SEPARATOR);
654
strcpy(whole_path, s_entry->whole_name);
655
dwpnt->name = strdup(whole_path);
658
dwpnt->size = s_entry->size;
659
dwpnt->extent = last_extent;
660
set_733((char *) s_entry->isorec.extent, last_extent);
661
s_entry->starting_block = last_extent;
663
last_extent += ROUND_UP(s_entry->size) >> 11;
666
fprintf(stderr,"%llu %llu %s\n", s_entry->starting_block,
667
last_extent-1, whole_path);
670
if((ROUND_UP(s_entry->size) >> 11) > 500)
672
fprintf (stderr, "Warning: large file %s\n", whole_path);
673
fprintf (stderr, "Starting block is %d\n", s_entry->starting_block);
674
fprintf (stderr, "Reported file size is %d extents\n", s_entry->size);
678
#ifdef NOT_NEEDED /* Never use this code if you like to create a DVD */
680
if(last_extent > (800000000 >> 11))
683
* More than 800Mb? Punt
685
fprintf(stderr,"Extent overflow processing file %s\n", whole_path);
686
fprintf(stderr,"Starting block is %d\n", s_entry->starting_block);
687
fprintf(stderr,"Reported file size is %d extents\n", s_entry->size);
695
* This is for zero-length files. If we leave the extent 0,
696
* then we get screwed, because many readers simply drop files
697
* that have an extent of zero. Thus we leave the size 0,
698
* and just assign the extent number.
700
set_733((char *) s_entry->isorec.extent, last_extent);
704
assign_file_addresses(dpnt->subdir);
708
} /* assign_file_addresses(... */
710
static void FDECL1(free_one_directory, struct directory *, dpnt)
712
struct directory_entry * s_entry;
713
struct directory_entry * s_entry_d;
715
s_entry = dpnt->contents;
719
s_entry = s_entry->next;
721
if( s_entry_d->name != NULL )
723
free (s_entry_d->name);
725
if( s_entry_d->whole_name != NULL )
727
free (s_entry_d->whole_name);
731
dpnt->contents = NULL;
732
} /* free_one_directory(... */
734
static void FDECL1(free_directories, struct directory *, dpnt)
738
free_one_directory(dpnt);
739
if(dpnt->subdir) free_directories(dpnt->subdir);
744
void FDECL2(generate_one_directory, struct directory *, dpnt, FILE *, outfile)
746
unsigned int ce_address = 0;
748
unsigned int ce_index = 0;
749
unsigned int ce_size;
750
unsigned int dir_index;
751
char * directory_buffer;
753
struct directory_entry * s_entry;
754
struct directory_entry * s_entry_d;
755
unsigned int total_size;
757
total_size = (dpnt->size + (SECTOR_SIZE - 1)) & ~(SECTOR_SIZE - 1);
758
directory_buffer = (char *) e_malloc(total_size);
759
memset(directory_buffer, 0, total_size);
762
ce_size = (dpnt->ce_bytes + (SECTOR_SIZE - 1)) & ~(SECTOR_SIZE - 1);
767
ce_buffer = (char *) e_malloc(ce_size);
768
memset(ce_buffer, 0, ce_size);
773
* Absolute byte address of CE entries for this directory
775
ce_address = last_extent_written + (total_size >> 11);
776
ce_address = ce_address << 11;
779
s_entry = dpnt->contents;
782
/* skip if it's hidden */
783
if(s_entry->de_flags & INHIBIT_ISO9660_ENTRY) {
784
s_entry = s_entry->next;
789
* We do not allow directory entries to cross sector boundaries.
790
* Simply pad, and then start the next entry at the next sector
792
new_reclen = s_entry->isorec.length[0];
793
if( (dir_index & (SECTOR_SIZE - 1)) + new_reclen >= SECTOR_SIZE )
795
dir_index = (dir_index + (SECTOR_SIZE - 1)) &
799
memcpy(directory_buffer + dir_index, &s_entry->isorec,
800
sizeof(struct iso_directory_record) -
801
sizeof(s_entry->isorec.name) + s_entry->isorec.name_len[0]);
802
dir_index += sizeof(struct iso_directory_record) -
803
sizeof (s_entry->isorec.name)+ s_entry->isorec.name_len[0];
806
* Add the Rock Ridge attributes, if present
808
if(s_entry->rr_attr_size)
812
directory_buffer[dir_index++] = 0;
816
* If the RR attributes were too long, then write the
817
* CE records, as required.
819
if(s_entry->rr_attr_size != s_entry->total_rr_attr_size)
825
* Go through the entire record and fix up the CE entries
826
* so that the extent and offset are correct
829
pnt = s_entry->rr_attributes;
830
len = s_entry->total_rr_attr_size;
836
fprintf(stderr,"Warning: ce_index(%d) && ce_address(%d) not initialized\n",
837
ce_index, ce_address);
841
if(pnt[0] == 'C' && pnt[1] == 'E')
843
nbytes = get_733( (char *) pnt+20);
845
if((ce_index & (SECTOR_SIZE - 1)) + nbytes >=
848
ce_index = ROUND_UP(ce_index);
851
set_733( (char *) pnt+4,
852
(ce_address + ce_index) >> 11);
853
set_733( (char *) pnt+12,
854
(ce_address + ce_index) & (SECTOR_SIZE - 1));
858
* Now store the block in the ce buffer
860
memcpy(ce_buffer + ce_index,
861
pnt + pnt[2], nbytes);
874
rockridge_size += s_entry->total_rr_attr_size;
875
memcpy(directory_buffer + dir_index, s_entry->rr_attributes,
876
s_entry->rr_attr_size);
877
dir_index += s_entry->rr_attr_size;
881
directory_buffer[dir_index++] = 0;
885
s_entry = s_entry->next;
888
* Joliet doesn't use the Rock Ridge attributes, so we free it here.
890
if (s_entry_d->rr_attributes)
892
free(s_entry_d->rr_attributes);
893
s_entry_d->rr_attributes = NULL;
897
if(dpnt->size != dir_index)
899
fprintf (stderr, _("Unexpected directory length %d %d %s\n"), dpnt->size,
900
dir_index, dpnt->de_name);
903
xfwrite(directory_buffer, 1, total_size, outfile);
904
last_extent_written += total_size >> 11;
905
free(directory_buffer);
909
if(ce_index != dpnt->ce_bytes)
911
fprintf (stderr, _("Continuation entry record length mismatch (%d %d).\n"),
912
ce_index, dpnt->ce_bytes);
914
xfwrite(ce_buffer, 1, ce_size, outfile);
915
last_extent_written += ce_size >> 11;
919
} /* generate_one_directory(... */
922
void FDECL1(build_pathlist, struct directory *, node)
924
struct directory * dpnt;
930
/* skip if it's hidden */
931
if( (dpnt->dir_flags & INHIBIT_ISO9660_ENTRY) == 0 )
932
pathlist[dpnt->path_index] = dpnt;
934
if(dpnt->subdir) build_pathlist(dpnt->subdir);
937
} /* build_pathlist(... */
939
static int FDECL2(compare_paths, void const *, r, void const *, l)
941
struct directory const *ll = *(struct directory * const *)l;
942
struct directory const *rr = *(struct directory * const *)r;
944
if (rr->parent->path_index < ll->parent->path_index)
949
if (rr->parent->path_index > ll->parent->path_index)
954
return strcmp(rr->self->isorec.name, ll->self->isorec.name);
956
} /* compare_paths(... */
958
static int generate_path_tables()
960
struct directory_entry * de;
961
struct directory * dpnt;
971
* First allocate memory for the tables and initialize the memory
973
tablesize = path_blocks << 11;
974
path_table_m = (char *) e_malloc(tablesize);
975
path_table_l = (char *) e_malloc(tablesize);
976
memset(path_table_l, 0, tablesize);
977
memset(path_table_m, 0, tablesize);
980
* Now start filling in the path tables. Start with root directory
982
if( next_path_index > 0xffff )
984
error (1, 0, _("Unable to generate sane path tables - too many directories (%d)\n"),
988
path_table_index = 0;
989
pathlist = (struct directory **) e_malloc(sizeof(struct directory *)
991
memset(pathlist, 0, sizeof(struct directory *) * next_path_index);
992
build_pathlist(root);
998
qsort(&pathlist[1], next_path_index-1, sizeof(struct directory *),
999
(int (*)(const void *, const void *))compare_paths);
1001
qsort(&pathlist[1], next_path_index-1, sizeof(struct directory *),
1005
for(j=1; j<next_path_index; j++)
1007
if(pathlist[j]->path_index != j)
1009
pathlist[j]->path_index = j;
1015
for(j=1; j<next_path_index; j++)
1020
error (1, 0, _("Entry %d not in path tables\n"), j);
1022
npnt = dpnt->de_name;
1025
* So the root comes out OK
1027
if( (*npnt == 0) || (dpnt == root) )
1031
npnt1 = strrchr(npnt, PATH_SEPARATOR);
1040
error (1, 0, _("Fatal goof\n"));
1044
namelen = de->isorec.name_len[0];
1046
path_table_l[path_table_index] = namelen;
1047
path_table_m[path_table_index] = namelen;
1048
path_table_index += 2;
1050
set_731(path_table_l + path_table_index, dpnt->extent);
1051
set_732(path_table_m + path_table_index, dpnt->extent);
1052
path_table_index += 4;
1054
set_721(path_table_l + path_table_index,
1055
dpnt->parent->path_index);
1056
set_722(path_table_m + path_table_index,
1057
dpnt->parent->path_index);
1058
path_table_index += 2;
1060
for(i =0; i<namelen; i++)
1062
path_table_l[path_table_index] = de->isorec.name[i];
1063
path_table_m[path_table_index] = de->isorec.name[i];
1066
if(path_table_index & 1)
1068
path_table_index++; /* For odd lengths we pad */
1073
if(path_table_index != path_table_size)
1075
fprintf (stderr, _("Path table lengths do not match %d %d\n"),
1080
} /* generate_path_tables(... */
1083
FDECL3(memcpy_max, char *, to, char *, from, int, max)
1085
int n = strlen(from);
1090
memcpy(to, from, n);
1092
} /* memcpy_max(... */
1094
void FDECL1(outputlist_insert, struct output_fragment *, frag)
1096
if( out_tail == NULL )
1098
out_list = out_tail = frag;
1102
out_tail->of_next = frag;
1107
static int FDECL1(file_write, FILE *, outfile)
1112
* OK, all done with that crap. Now write out the directories.
1113
* This is where the fur starts to fly, because we need to keep track of
1114
* each file as we find it and keep track of where we put it.
1117
should_write = last_extent - session_start;
1119
if( print_size > 0 )
1121
fprintf (stderr, _("Total extents scheduled to be written = %llu\n"),
1122
last_extent - session_start);
1128
fprintf(stderr,"Total directory extents being written = %llu\n", last_extent);
1131
fprintf (stderr, _("Total extents scheduled to be written = %llu\n"),
1132
last_extent - session_start);
1136
* Now write all of the files that we need.
1138
write_files(outfile);
1141
* The rest is just fluff.
1148
fprintf (stderr, _("Total extents actually written = %llu\n"),
1149
last_extent_written - session_start);
1152
* Hard links throw us off here
1154
assert (last_extent > session_start);
1155
if(should_write + session_start != last_extent)
1157
fprintf (stderr, _("Number of extents written different than what was predicted. Please fix.\n"));
1158
fprintf (stderr, _("Predicted = %d, written = %llu\n"), should_write, last_extent);
1161
fprintf (stderr, _("Total translation table size: %d\n"), table_size);
1162
fprintf (stderr, _("Total rockridge attributes bytes: %d\n"), rockridge_size);
1163
fprintf (stderr, _("Total directory bytes: %d\n"), total_dir_size);
1164
fprintf (stderr, _("Path table size(bytes): %d\n"), path_table_size);
1167
fprintf(stderr, "next extent, last_extent, last_extent_written %d %d %d\n",
1168
next_extent, last_extent, last_extent_written);
1173
} /* iso_write(... */
1175
char *creation_date = NULL;
1176
char *modification_date = NULL;
1177
char *expiration_date = NULL;
1178
char *effective_date = NULL;
1181
* Function to write the PVD for the disc.
1183
static int FDECL1(pvd_write, FILE *, outfile)
1193
local = *localtime(&begun);
1194
gmt = *gmtime(&begun);
1197
* This will break in the year 2000, I supose, but there is no good way
1198
* to get the top two digits of the year.
1200
sprintf(iso_time, "%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d00", 1900 + local.tm_year,
1201
local.tm_mon+1, local.tm_mday,
1202
local.tm_hour, local.tm_min, local.tm_sec);
1204
local.tm_min -= gmt.tm_min;
1205
local.tm_hour -= gmt.tm_hour;
1206
local.tm_yday -= gmt.tm_yday;
1207
iso_time[16] = (local.tm_min + 60*(local.tm_hour + 24*local.tm_yday)) / 15;
1210
* Next we write out the primary descriptor for the disc
1212
memset(&vol_desc, 0, sizeof(vol_desc));
1213
vol_desc.type[0] = ISO_VD_PRIMARY;
1214
memcpy(vol_desc.id, ISO_STANDARD_ID, sizeof(ISO_STANDARD_ID));
1215
vol_desc.version[0] = 1;
1217
memset(vol_desc.system_id, ' ', sizeof(vol_desc.system_id));
1218
memcpy_max(vol_desc.system_id, system_id, strlen(system_id));
1220
memset(vol_desc.volume_id, ' ', sizeof(vol_desc.volume_id));
1221
memcpy_max(vol_desc.volume_id, volume_id, strlen(volume_id));
1223
should_write = last_extent - session_start;
1224
set_733((char *) vol_desc.volume_space_size, should_write);
1225
set_723(vol_desc.volume_set_size, volume_set_size);
1226
set_723(vol_desc.volume_sequence_number, volume_sequence_number);
1227
set_723(vol_desc.logical_block_size, 2048);
1230
* The path tables are used by DOS based machines to cache directory
1234
set_733((char *) vol_desc.path_table_size, path_table_size);
1235
set_731(vol_desc.type_l_path_table, path_table[0]);
1236
set_731(vol_desc.opt_type_l_path_table, path_table[1]);
1237
set_732(vol_desc.type_m_path_table, path_table[2]);
1238
set_732(vol_desc.opt_type_m_path_table, path_table[3]);
1241
* Now we copy the actual root directory record
1243
memcpy(vol_desc.root_directory_record, &root_record,
1244
sizeof(struct iso_directory_record) + 1);
1247
* The rest is just fluff. It looks nice to fill in many of these fields,
1250
FILL_SPACE(volume_set_id);
1251
if(volset_id) memcpy_max(vol_desc.volume_set_id, volset_id, strlen(volset_id));
1253
FILL_SPACE(publisher_id);
1254
if(publisher) memcpy_max(vol_desc.publisher_id, publisher, strlen(publisher));
1256
FILL_SPACE(preparer_id);
1257
if(preparer) memcpy_max(vol_desc.preparer_id, preparer, strlen(preparer));
1259
FILL_SPACE(application_id);
1260
if(appid) memcpy_max(vol_desc.application_id, appid, strlen(appid));
1262
FILL_SPACE(copyright_file_id);
1263
if(copyright) memcpy_max(vol_desc.copyright_file_id, copyright,
1266
FILL_SPACE(abstract_file_id);
1267
if(abstract) memcpy_max(vol_desc.abstract_file_id, abstract,
1270
FILL_SPACE(bibliographic_file_id);
1271
if(biblio) memcpy_max(vol_desc.bibliographic_file_id, biblio,
1274
FILL_SPACE(creation_date);
1275
FILL_SPACE(modification_date);
1276
FILL_SPACE(expiration_date);
1277
FILL_SPACE(effective_date);
1278
vol_desc.file_structure_version[0] = 1;
1279
FILL_SPACE(application_data);
1281
memcpy(vol_desc.creation_date, creation_date ? creation_date : iso_time, 17);
1282
memcpy(vol_desc.modification_date, modification_date ? modification_date : iso_time, 17);
1283
memcpy(vol_desc.expiration_date, expiration_date ? expiration_date : "0000000000000000", 17);
1284
memcpy(vol_desc.effective_date, effective_date ? effective_date : iso_time, 17);
1287
* if not a bootable cd do it the old way
1289
xfwrite(&vol_desc, 1, 2048, outfile);
1290
last_extent_written++;
1295
* Function to write the EVD for the disc.
1297
static int FDECL1(evd_write, FILE *, outfile)
1299
struct iso_primary_descriptor evol_desc;
1302
* Now write the end volume descriptor. Much simpler than the other one
1304
memset(&evol_desc, 0, sizeof(evol_desc));
1305
evol_desc.type[0] = ISO_VD_END;
1306
memcpy(evol_desc.id, ISO_STANDARD_ID, sizeof(ISO_STANDARD_ID));
1307
evol_desc.version[0] = 1;
1308
xfwrite(&evol_desc, 1, 2048, outfile);
1309
last_extent_written += 1;
1314
* Function to write the EVD for the disc.
1316
static int FDECL1(pathtab_write, FILE *, outfile)
1319
* Next we write the path tables
1321
xfwrite(path_table_l, 1, path_blocks << 11, outfile);
1322
xfwrite(path_table_m, 1, path_blocks << 11, outfile);
1323
last_extent_written += 2*path_blocks;
1326
path_table_l = NULL;
1327
path_table_m = NULL;
1331
static int FDECL1(exten_write, FILE *, outfile)
1333
xfwrite(extension_record, 1, SECTOR_SIZE, outfile);
1334
last_extent_written++;
1339
* Functions to describe padding block at the start of the disc.
1341
int FDECL1(oneblock_size, int, starting_extent)
1348
* Functions to describe padding block at the start of the disc.
1351
#define PADBLOCK_SIZE 16
1353
static int FDECL1(pathtab_size, int, starting_extent)
1355
path_table[0] = starting_extent;
1358
path_table[2] = path_table[0] + path_blocks;
1360
last_extent += 2*path_blocks;
1364
static int FDECL1(padblock_size, int, starting_extent)
1366
last_extent += PADBLOCK_SIZE;
1370
static int file_gen()
1372
assign_file_addresses(root);
1376
static int dirtree_dump()
1385
static int FDECL1(dirtree_fixup, int, starting_extent)
1387
if (use_RockRidge && reloc_dir)
1388
finish_cl_pl_entries();
1391
update_nlink_field(root);
1395
static int FDECL1(dirtree_size, int, starting_extent)
1397
assign_directory_addresses(root);
1401
static int FDECL1(ext_size, int, starting_extent)
1403
extern int extension_record_size;
1404
struct directory_entry * s_entry;
1405
extension_record_extent = starting_extent;
1406
s_entry = root->contents;
1407
set_733((char *) s_entry->rr_attributes + s_entry->rr_attr_size - 24,
1408
extension_record_extent);
1409
set_733((char *) s_entry->rr_attributes + s_entry->rr_attr_size - 8,
1410
extension_record_size);
1415
static int FDECL1(dirtree_write, FILE *, outfile)
1417
generate_iso9660_directories(root, outfile);
1421
static int FDECL1(dirtree_cleanup, FILE *, outfile)
1423
free_directories(root);
1427
static int FDECL1(padblock_write, FILE *, outfile)
1431
buffer = e_malloc (2048 * PADBLOCK_SIZE);
1432
memset (buffer, 0, 2048 * PADBLOCK_SIZE);
1434
if (use_embedded_boot)
1436
FILE *fp = fopen (boot_image_embed, "rb");
1438
error (1, errno, _("Unable to open %s"), boot_image_embed);
1440
if (fread (buffer, 1, 2048 * PADBLOCK_SIZE, fp) == 0)
1441
error (1, errno, _("cannot read %d bytes from %s"),
1442
2048 * PADBLOCK_SIZE, boot_image_embed);
1443
if (fgetc (fp) != EOF)
1444
error (1, 0, _("%s is too big for embed area"), boot_image_embed);
1447
if (use_protective_msdos_label)
1449
struct msdos_partition_mbr *mbr = (void *) buffer;
1451
memset (mbr->entries, 0, sizeof(mbr->entries));
1453
/* Some idiotic BIOSes refuse to boot if they don't find at least
1454
one partition with active bit set. */
1455
mbr->entries[0].flag = 0x80;
1457
/* Doesn't really matter, as long as it's non-zero. It seems that
1458
0xCD is used elsewhere, so we follow suit. */
1459
mbr->entries[0].type = 0xcd;
1461
/* Start immediately (sector 1). */
1462
mbr->entries[0].start = 1;
1464
/* We don't know yet. Let's keep it safe. */
1465
mbr->entries[0].length = UINT32_MAX;
1467
mbr->signature = MSDOS_PARTITION_SIGNATURE;
1470
xfwrite (buffer, 1, 2048 * PADBLOCK_SIZE, outfile);
1471
last_extent_written += PADBLOCK_SIZE;
1476
struct output_fragment padblock_desc = {NULL, padblock_size, NULL, padblock_write};
1477
struct output_fragment voldesc_desc = {NULL, oneblock_size, root_gen, pvd_write};
1478
struct output_fragment end_vol = {NULL, oneblock_size, NULL, evd_write};
1479
struct output_fragment pathtable_desc = {NULL, pathtab_size, generate_path_tables, pathtab_write};
1480
struct output_fragment dirtree_desc = {NULL, dirtree_size, NULL, dirtree_write};
1481
struct output_fragment dirtree_clean = {NULL, dirtree_fixup, dirtree_dump, dirtree_cleanup};
1482
struct output_fragment extension_desc = {NULL, ext_size, NULL, exten_write};
1483
struct output_fragment files_desc = {NULL, NULL, file_gen, file_write};
added
removed
util/mkisofs/write.c
