static void htree_dump_leaf_node(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode,
struct ext2_dx_root_info * rootnode,
blk_t blk, char *buf)
{
errcode_t errcode;
struct ext2_dir_entry *dirent;
int thislen, col = 0;
unsigned int offset = 0;
char name[EXT2_NAME_LEN + 1];
char tmp[EXT2_NAME_LEN + 16];
blk_t pblk;
ext2_dirhash_t hash, minor_hash;
unsigned int rec_len;
int hash_alg;
errcode = ext2fs_bmap(fs, ino, inode, buf, 0, blk, &pblk);
if (errcode) {
com_err("htree_dump_leaf_node", errcode,
"while mapping logical block %u\n", blk);
return;
}
printf("Reading directory block %lu, phys %lu\n",
(unsigned long) blk, (unsigned long) pblk);
errcode = ext2fs_read_dir_block2(current_fs, pblk, buf, 0);
if (errcode) {
com_err("htree_dump_leaf_node", errcode,
"while reading block %lu (%lu)\n",
(unsigned long) blk, (unsigned long) pblk);
return;
}
hash_alg = rootnode->hash_version;
if ((hash_alg <= EXT2_HASH_TEA) &&
(fs->super->s_flags & EXT2_FLAGS_UNSIGNED_HASH))
hash_alg += 3;
while (offset < fs->blocksize) {
dirent = (struct ext2_dir_entry *) (buf + offset);
errcode = ext2fs_get_rec_len(fs, dirent, &rec_len);
if (errcode) {
com_err("htree_dump_leaf_inode", errcode,
"while getting rec_len for block %lu",
(unsigned long) blk);
return;
}
if (((offset + rec_len) > fs->blocksize) ||
(rec_len < 8) ||
((rec_len % 4) != 0) ||
((((unsigned) dirent->name_len & 0xFF)+8) > rec_len)) {
fprintf(pager, "Corrupted directory block (%u)!\n", blk);
break;
}
thislen = ((dirent->name_len & 0xFF) < EXT2_NAME_LEN) ?
(dirent->name_len & 0xFF) : EXT2_NAME_LEN;
strncpy(name, dirent->name, thislen);
name[thislen] = '\0';
errcode = ext2fs_dirhash(hash_alg, name,
thislen, fs->super->s_hash_seed,
&hash, &minor_hash);
if (errcode)
com_err("htree_dump_leaf_node", errcode,
"while calculating hash");
sprintf(tmp, "%u 0x%08x-%08x (%d) %s ", dirent->inode,
hash, minor_hash, rec_len, name);
thislen = strlen(tmp);
if (col + thislen > 80) {
fprintf(pager, "\n");
col = 0;
}
fprintf(pager, "%s", tmp);
col += thislen;
offset += rec_len;
}
fprintf(pager, "\n");
}
errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block,
void *buf)
{
return ext2fs_read_dir_block2(fs, block, buf, 0);
}