1 files changed, 40 insertions, 0 deletions
diff --git a/src/H5Doh.c b/src/H5Doh.c
index e59fe8b..620554e0 100644
--- a/src/H5Doh.c
+++ b/src/H5Doh.c
@@ -327,3 +327,43 @@ done:
     FUNC_LEAVE_NOAPI(ret_value)
 } /* end H5O_dset_get_oloc() */
 
+/*-------------------------------------------------------------------------
+ * Function:    H5O_dset_bh_info
+ *
+ * Purpose:     Returns the amount of btree storage that is used for chunked
+ *              dataset.
+ *
+ * Return:      Success:        non-negative
+ *              Failure:        negative
+ *
+ * Programmer:  Vailin Choi
+ *              July 11, 2007
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5O_dset_bh_info(H5O_loc_t *oloc, H5O_t *oh, hid_t dxpl_id, H5_ih_info_t *bh_info)
+{
+    H5O_layout_t        layout;         	/* Data storage layout message */
+    herr_t      	ret_value=SUCCEED;      /* Return value */
+
+    FUNC_ENTER_NOAPI(H5O_dset_bh_info, FAIL)
+
+    /* Sanity check */
+    HDassert(oloc);
+    HDassert(oh);
+    HDassert(bh_info);
+
+    if (NULL==H5O_msg_read_real(oloc->file, dxpl_id, oh, H5O_LAYOUT_ID, &layout))
+	HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't find LAYOUT message")
+    else {
+	if ((layout.type == H5D_CHUNKED) && (layout.u.chunk.addr != HADDR_UNDEF)) {
+	    ret_value = H5D_obj_istore_bh_info(oloc, &layout, dxpl_id, &(bh_info->index_size));
+	    if (ret_value < 0)
+		HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't determine chunked dataset btree info")
+	}
+    }
+
+done:
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5O_dset_bh_info() */