diff options
Diffstat (limited to 'src/H5O.c')
| -rw-r--r-- | src/H5O.c | 48 |
1 files changed, 46 insertions, 2 deletions
@@ -2121,8 +2121,7 @@ H5O_get_info(H5O_loc_t *oloc, hid_t dxpl_id, hbool_t want_ih_info, H5O_info_t *o HDmemset(oinfo, 0, sizeof(*oinfo)); /* Retrieve the file's fileno */ - if(H5F_get_fileno(oloc->file, &oinfo->fileno) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "unable to read fileno") + H5F_GET_FILENO(oloc->file, oinfo->fileno); /* Set the object's address */ oinfo->addr = oloc->addr; @@ -2412,3 +2411,48 @@ H5O_get_oh_addr(const H5O_t *oh) FUNC_LEAVE_NOAPI(oh->chunk[0].addr) } /* end H5O_get_oh_addr() */ + +/*------------------------------------------------------------------------- + * Function: H5O_get_rc_and_type + * + * Purpose: Retrieve an object's reference count and type + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Quincey Koziol + * November 4 2007 + * + *------------------------------------------------------------------------- + */ +herr_t +H5O_get_rc_and_type(const H5O_loc_t *oloc, hid_t dxpl_id, unsigned *rc, H5O_type_t *otype) +{ + H5O_t *oh = NULL; /* Object header */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(H5O_get_rc_and_type, FAIL) + + /* Check args */ + HDassert(oloc); + HDassert(rc); + HDassert(otype); + + /* Get the object header */ + if(NULL == (oh = H5AC_protect(oloc->file, dxpl_id, H5AC_OHDR, oloc->addr, NULL, NULL, H5AC_READ))) + HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to load object header") + + /* Set the object's reference count */ + *rc = oh->nlink; + + /* Retrieve the type of the object */ + if(H5O_obj_type_real(oh, otype) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to determine object type") + +done: + if(oh && H5AC_unprotect(oloc->file, 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) +} /* end H5O_get_rc_and_type() */ + |