+
+/*
+ * Legacy 32-bit versions
+ */
+
+/*
+ * Add a directory block to the directory block list
+ */
+errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, blk_t blk,
+ int blockcnt)
+{
+ return ext2fs_add_dir_block2(dblist, ino, blk, blockcnt);
+}
+
+/*
+ * Change the directory block to the directory block list
+ */
+errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, blk_t blk,
+ int blockcnt)
+{
+ return ext2fs_set_dir_block2(dblist, ino, blk, blockcnt);
+}
+
+void ext2fs_dblist_sort(ext2_dblist dblist,
+ EXT2_QSORT_TYPE (*sortfunc)(const void *,
+ const void *))
+{
+ if (sortfunc) {
+ sortfunc32 = sortfunc;
+ sortfunc = dir_block_cmp;
+ } else
+ sortfunc = dir_block_cmp2;
+ qsort(dblist->list, (size_t) dblist->count,
+ sizeof(struct ext2_db_entry2), sortfunc);
+ dblist->sorted = 1;
+}
+
+/*
+ * This function iterates over the directory block list
+ */
+struct iterate_passthrough {
+ int (*func)(ext2_filsys fs,
+ struct ext2_db_entry *db_info,
+ void *priv_data);
+ void *priv_data;
+};
+
+static int passthrough_func(ext2_filsys fs,
+ struct ext2_db_entry2 *db_info,
+ void *priv_data)
+{
+ struct iterate_passthrough *p = priv_data;
+ struct ext2_db_entry db;
+ int ret;
+
+ db.ino = db_info->ino;
+ db.blk = (blk_t) db_info->blk;
+ db.blockcnt = (int) db_info->blockcnt;
+ ret = (p->func)(fs, &db, p->priv_data);
+ db_info->ino = db.ino;
+ db_info->blk = db.blk;
+ db_info->blockcnt = db.blockcnt;
+ return ret;
+}
+
+errcode_t ext2fs_dblist_iterate(ext2_dblist dblist,
+ int (*func)(ext2_filsys fs,
+ struct ext2_db_entry *db_info,
+ void *priv_data),
+ void *priv_data)
+{
+ struct iterate_passthrough pass;
+
+ EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST);
+ pass.func = func;
+ pass.priv_data = priv_data;
+
+ return ext2fs_dblist_iterate2(dblist, passthrough_func, &pass);
+}
+
+static EXT2_QSORT_TYPE dir_block_cmp(const void *a, const void *b)
+{
+ const struct ext2_db_entry2 *db_a =
+ (const struct ext2_db_entry2 *) a;
+ const struct ext2_db_entry2 *db_b =
+ (const struct ext2_db_entry2 *) b;
+
+ struct ext2_db_entry a32, b32;
+
+ a32.ino = db_a->ino; a32.blk = db_a->blk;
+ a32.blockcnt = db_a->blockcnt;
+
+ b32.ino = db_b->ino; b32.blk = db_b->blk;
+ b32.blockcnt = db_b->blockcnt;
+
+ return sortfunc32(&a32, &b32);
+}
+
+int ext2fs_dblist_count(ext2_dblist dblist)
+{
+ return dblist->count;
+}
+
+errcode_t ext2fs_dblist_get_last(ext2_dblist dblist,
+ struct ext2_db_entry **entry)
+{
+ static struct ext2_db_entry ret_entry;
+ struct ext2_db_entry2 *last;
+
+ EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST);
+
+ if (dblist->count == 0)
+ return EXT2_ET_DBLIST_EMPTY;
+
+ if (!entry)
+ return 0;
+
+ last = dblist->list + dblist->count -1;
+
+ ret_entry.ino = last->ino;
+ ret_entry.blk = last->blk;
+ ret_entry.blockcnt = last->blockcnt;
+ *entry = &ret_entry;
+
+ return 0;
+}
+