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-rw-r--r--src/H5BT.c48
-rw-r--r--src/H5BTprivate.h1
2 files changed, 49 insertions, 0 deletions
diff --git a/src/H5BT.c b/src/H5BT.c
index 1d23b68..acbb9f3 100644
--- a/src/H5BT.c
+++ b/src/H5BT.c
@@ -645,3 +645,51 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5BT_remove() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5BT_delete
+ *
+ * Purpose: Delete a block tracker from a file
+ *
+ * Return: Non-negative on success, negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Mar 14 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5BT_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr)
+{
+ H5BT_t *bt = NULL; /* The new B-tree header information */
+ herr_t ret_value=SUCCEED;
+
+ FUNC_ENTER_NOAPI(H5BT_delete, FAIL)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+
+ /* Look up the block tracker header */
+ if (NULL == (bt = H5AC_protect(f, dxpl_id, H5AC_BLTR, addr, NULL, NULL, H5AC_WRITE)))
+ HGOTO_ERROR(H5E_BLKTRK, H5E_CANTPROTECT, FAIL, "unable to load block tracker info")
+
+ /* Delete B-tree */
+ if (H5B2_delete(f, dxpl_id, H5B2_BLKTRK, bt->bt2_addr) < 0)
+ HGOTO_ERROR(H5E_BLKTRK, H5E_CANTDELETE, FAIL, "Couldn't delete underlying B-tree")
+
+ /* Release space for block tracker info on disk */
+ if (H5MF_xfree(f, H5FD_MEM_BLKTRK, dxpl_id, addr, (hsize_t)H5BT_SIZE(f))<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTFREE, FAIL, "unable to free block tracker info")
+
+done:
+ /* Release the block tracker info */
+ if (bt && H5AC_unprotect(f, dxpl_id, H5AC_BLTR, addr, bt, H5AC__DELETED_FLAG) < 0)
+ HDONE_ERROR(H5E_BLKTRK, H5E_CANTUNPROTECT, FAIL, "unable to release block tracker info")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BT_remove() */
+
diff --git a/src/H5BTprivate.h b/src/H5BTprivate.h
index 48d5384..b98aac1 100644
--- a/src/H5BTprivate.h
+++ b/src/H5BTprivate.h
@@ -52,6 +52,7 @@ H5_DLL herr_t H5BT_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, haddr_t offset,
hsize_t length);
H5_DLL herr_t H5BT_get_total_size(H5F_t *f, hid_t dxpl_id, haddr_t addr,
hsize_t *tot_size);
+H5_DLL herr_t H5BT_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr);
#endif /* _H5BTprivate_H */