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Merge level3 branch, adding support for ISO-9660 Level 3.

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This commit is contained in:
Vreixo Formoso
2008-08-20 02:14:47 +02:00
parent 37e6752375 882073f145
commit c1a7702f52
18 changed files with 1424 additions and 983 deletions
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61
libisofs/joliet.c
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@@ -111,7 +111,7 @@ int create_node(Ecma119Image *t, IsoNode *iso, JolietNode **node)
IsoFile *file = (IsoFile*) iso;
size = iso_stream_get_size(file->stream);
if (size > (off_t)0xffffffff) {
if (size > (off_t)MAX_ISO_FILE_SECTION_SIZE && t->iso_level != 3) {
char *ipath = iso_tree_get_node_path(iso);
free(joliet);
ret = iso_msg_submit(t->image->id, ISO_FILE_TOO_BIG, 0,
@@ -590,14 +590,19 @@ size_t calc_dir_size(Ecma119Image *t, JolietNode *dir)
for (i = 0; i < dir->info.dir->nchildren; ++i) {
size_t remaining;
int section, nsections;
JolietNode *child = dir->info.dir->children[i];
size_t dirent_len = calc_dirent_len(t, child);
remaining = BLOCK_SIZE - (len % BLOCK_SIZE);
if (dirent_len > remaining) {
/* child directory entry doesn't fit on block */
len += remaining + dirent_len;
} else {
len += dirent_len;
nsections = (child->type == JOLIET_FILE) ? child->info.file->nsections : 1;
for (section = 0; section < nsections; ++section) {
remaining = BLOCK_SIZE - (len % BLOCK_SIZE);
if (dirent_len > remaining) {
/* child directory entry doesn't fit on block */
len += remaining + dirent_len;
} else {
len += dirent_len;
}
}
}
@@ -696,11 +701,12 @@ int joliet_writer_compute_data_blocks(IsoImageWriter *writer)
*/
static
void write_one_dir_record(Ecma119Image *t, JolietNode *node, int file_id,
uint8_t *buf, size_t len_fi)
uint8_t *buf, size_t len_fi, int extent)
{
uint32_t len;
uint32_t block;
uint8_t len_dr; /*< size of dir entry */
int multi_extend = 0;
uint8_t *name = (file_id >= 0) ? (uint8_t*)&file_id
: (uint8_t*)node->name;
@@ -723,8 +729,9 @@ void write_one_dir_record(Ecma119Image *t, JolietNode *node, int file_id,
len = node->info.dir->len;
block = node->info.dir->block;
} else if (node->type == JOLIET_FILE) {
len = iso_file_src_get_size(node->info.file);
block = node->info.file->block;
block = node->info.file->sections[extent].block;
len = node->info.file->sections[extent].size;
multi_extend = (node->info.file->nsections - 1 == extent) ? 0 : 1;
} else {
/*
* for nodes other than files and dirs, we set both
@@ -744,7 +751,7 @@ void write_one_dir_record(Ecma119Image *t, JolietNode *node, int file_id,
iso_bb(rec->block, block, 4);
iso_bb(rec->length, len, 4);
iso_datetime_7(rec->recording_time, t->now, t->always_gmt);
rec->flags[0] = (node->type == JOLIET_DIR) ? 2 : 0;
rec->flags[0] = ((node->type == JOLIET_DIR) ? 2 : 0) | (multi_extend ? 0x80 : 0);
iso_bb(rec->vol_seq_number, 1, 2);
rec->len_fi[0] = len_fi;
}
@@ -827,7 +834,7 @@ int joliet_writer_write_vol_desc(IsoImageWriter *writer)
iso_lsb(vol.l_path_table_pos, t->joliet_l_path_table_pos, 4);
iso_msb(vol.m_path_table_pos, t->joliet_m_path_table_pos, 4);
write_one_dir_record(t, t->joliet_root, 0, vol.root_dir_record, 1);
write_one_dir_record(t, t->joliet_root, 0, vol.root_dir_record, 1, 0);
ucsncpy_pad((uint16_t*)vol.vol_set_id, volset_id, 128);
ucsncpy_pad((uint16_t*)vol.publisher_id, pub_id, 128);
@@ -874,12 +881,13 @@ int write_one_dir(Ecma119Image *t, JolietNode *dir)
memset(buffer, 0, BLOCK_SIZE);
/* write the "." and ".." entries first */
write_one_dir_record(t, dir, 0, buf, 1);
write_one_dir_record(t, dir, 0, buf, 1, 0);
buf += 34;
write_one_dir_record(t, dir, 1, buf, 1);
write_one_dir_record(t, dir, 1, buf, 1, 0);
buf += 34;
for (i = 0; i < dir->info.dir->nchildren; i++) {
int section, nsections;
JolietNode *child = dir->info.dir->children[i];
/* compute len of directory entry */
@@ -889,18 +897,23 @@ int write_one_dir(Ecma119Image *t, JolietNode *dir)
len += 4;
}
if ( (buf + len - buffer) > BLOCK_SIZE) {
/* dir doesn't fit in current block */
ret = iso_write(t, buffer, BLOCK_SIZE);
if (ret < 0) {
return ret;
nsections = (child->type == JOLIET_FILE) ? child->info.file->nsections : 1;
for (section = 0; section < nsections; ++section) {
if ( (buf + len - buffer) > BLOCK_SIZE) {
/* dir doesn't fit in current block */
ret = iso_write(t, buffer, BLOCK_SIZE);
if (ret < 0) {
return ret;
}
memset(buffer, 0, BLOCK_SIZE);
buf = buffer;
}
memset(buffer, 0, BLOCK_SIZE);
buf = buffer;
/* write the directory entry in any case */
write_one_dir_record(t, child, -1, buf, fi_len, section);
buf += len;
}
/* write the directory entry in any case */
write_one_dir_record(t, child, -1, buf, fi_len);
buf += len;
}
/* write the last block */