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-rw-r--r--src/H5Otest.c142
1 files changed, 140 insertions, 2 deletions
diff --git a/src/H5Otest.c b/src/H5Otest.c
index aeab284..b1b0751 100644
--- a/src/H5Otest.c
+++ b/src/H5Otest.c
@@ -22,6 +22,7 @@
/* Module Setup */
/****************/
+#define H5A_PACKAGE /*suppress error about including H5Apkg */
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#define H5O_TESTING /*suppress warning about H5O testing funcs*/
@@ -30,6 +31,7 @@
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
+#include "H5Apkg.h" /* Attributes */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5Opkg.h" /* Object headers */
@@ -76,7 +78,7 @@
PURPOSE
Determine whether attributes for an object are stored "densely"
USAGE
- htri_t H5O_is_dense_test(oid)
+ htri_t H5O_is_attr_dense_test(oid)
hid_t oid; IN: object to check
RETURNS
Non-negative TRUE/FALSE on success, negative on failure
@@ -107,8 +109,12 @@ H5O_is_attr_dense_test(hid_t oid)
HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to load object header")
/* Check if dense storage is being used */
- if(H5F_addr_defined(oh->attr_fheap_addr))
+ if(H5F_addr_defined(oh->attr_fheap_addr)) {
+ /* Check for any messages in object header */
+ HDassert(H5O_msg_count_real(oh, H5O_MSG_ATTR) == 0);
+
ret_value = TRUE;
+ } /* end if */
else
ret_value = FALSE;
@@ -119,4 +125,136 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5O_is_attr_dense_test() */
+
+/*--------------------------------------------------------------------------
+ NAME
+ H5O_is_attr_empty_test
+ PURPOSE
+ Determine whether there are any attributes for an object
+ USAGE
+ htri_t H5O_is_attr_empty_test(oid)
+ hid_t oid; IN: object to check
+ RETURNS
+ Non-negative TRUE/FALSE on success, negative on failure
+ DESCRIPTION
+ Checks to see if the object is storing any attributes.
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ DO NOT USE THIS FUNCTION FOR ANYTHING EXCEPT TESTING
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+htri_t
+H5O_is_attr_empty_test(hid_t oid)
+{
+ H5O_t *oh = NULL; /* Object header */
+ H5O_loc_t *oloc; /* Pointer to object's location */
+ hsize_t nattrs; /* Number of attributes */
+ htri_t ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5O_is_attr_empty_test, FAIL)
+
+ /* Get object location for object */
+ if(NULL == (oloc = H5O_get_loc(oid)))
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "object not found")
+
+ /* Get the object header */
+ if(NULL == (oh = H5AC_protect(oloc->file, H5AC_ind_dxpl_id, H5AC_OHDR, oloc->addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to load object header")
+
+ /* Retrieve the number of attribute messages in header */
+ nattrs = H5O_msg_count_real(oh, H5O_MSG_ATTR);
+
+ /* Check for later version of object header format */
+ if(oh->version > H5O_VERSION_1) {
+ /* Check for using dense storage */
+ if(H5F_addr_defined(oh->attr_fheap_addr)) {
+ /* Check for any messages in object header */
+ HDassert(nattrs == 0);
+
+ /* Retrieve # of records in name index */
+ if(H5B2_get_nrec(oloc->file, H5AC_ind_dxpl_id, H5A_BT2_NAME, oh->name_bt2_addr, &nattrs) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTCOUNT, FAIL, "unable to retrieve # of records from name index")
+ } /* end if */
+
+ /* Verify that attribute count in object header is correct */
+ HDassert(nattrs == oh->nattrs);
+ } /* end if */
+
+ /* Set the return value */
+ ret_value = (nattrs == 0) ? TRUE : FALSE;
+
+done:
+ if(oh && H5AC_unprotect(oloc->file, H5AC_ind_dxpl_id, H5AC_OHDR, oloc->addr, oh, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_OHDR, H5E_PROTECT, FAIL, "unable to release object header")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5O_is_attr_empty_test() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
+ H5O_num_attrs_test
+ PURPOSE
+ Determine whether there are any attributes for an object
+ USAGE
+ herr_t H5O_num_attrs_test(oid, nattrs)
+ hid_t oid; IN: object to check
+ hsize_t *nattrs; OUT: Number of attributes on object
+ RETURNS
+ Non-negative on success, negative on failure
+ DESCRIPTION
+ Checks the # of attributes on an object
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ DO NOT USE THIS FUNCTION FOR ANYTHING EXCEPT TESTING
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+herr_t
+H5O_num_attrs_test(hid_t oid, hsize_t *nattrs)
+{
+ H5O_t *oh = NULL; /* Object header */
+ H5O_loc_t *oloc; /* Pointer to object's location */
+ hsize_t obj_nattrs; /* Number of attributes */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5O_num_attrs_test, FAIL)
+
+ /* Get object location for object */
+ if(NULL == (oloc = H5O_get_loc(oid)))
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "object not found")
+
+ /* Get the object header */
+ if(NULL == (oh = H5AC_protect(oloc->file, H5AC_ind_dxpl_id, H5AC_OHDR, oloc->addr, NULL, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to load object header")
+
+ /* Retrieve the number of attribute messages in header */
+ obj_nattrs = H5O_msg_count_real(oh, H5O_MSG_ATTR);
+
+ /* Check for later version of object header format */
+ if(oh->version > H5O_VERSION_1) {
+ /* Check for using dense storage */
+ if(H5F_addr_defined(oh->attr_fheap_addr)) {
+ /* Check for any messages in object header */
+ HDassert(obj_nattrs == 0);
+
+ /* Retrieve # of records in name index */
+ if(H5B2_get_nrec(oloc->file, H5AC_ind_dxpl_id, H5A_BT2_NAME, oh->name_bt2_addr, &obj_nattrs) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTCOUNT, FAIL, "unable to retrieve # of records from name index")
+ } /* end if */
+
+ /* Verify that attribute count in object header is correct */
+ HDassert(obj_nattrs == oh->nattrs);
+ } /* end if */
+
+ /* Set the number of attributes */
+ *nattrs = obj_nattrs;
+
+done:
+ if(oh && H5AC_unprotect(oloc->file, H5AC_ind_dxpl_id, H5AC_OHDR, oloc->addr, oh, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_OHDR, H5E_PROTECT, FAIL, "unable to release object header")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5O_num_attrs_test() */
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