diff options
Diffstat (limited to 'src/H5Fsuper.c')
| -rw-r--r-- | src/H5Fsuper.c | 58 |
1 files changed, 42 insertions, 16 deletions
diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c index 72d1965..f5973e9 100644 --- a/src/H5Fsuper.c +++ b/src/H5Fsuper.c @@ -1134,8 +1134,9 @@ done: /*------------------------------------------------------------------------- - * Function: H5F_super_ext_size - * Get storage size of the superblock extension + * Function: H5F_super_size + * + * Purpose: Get storage size of the superblock and superblock extension * * Return: Success: non-negative on success * Failure: Negative @@ -1145,33 +1146,58 @@ done: *------------------------------------------------------------------------- */ herr_t -H5F_super_ext_size(H5F_t *f, hid_t dxpl_id, hsize_t *super_ext_size) +H5F_super_size(H5F_t *f, hid_t dxpl_id, hsize_t *super_size, hsize_t *super_ext_size) { - H5O_loc_t ext_loc; /* "Object location" for superblock extension */ - H5O_info_t oinfo; /* Object info for superblock extension */ herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI(H5F_super_ext_size, FAIL) + FUNC_ENTER_NOAPI(H5F_super_size, FAIL) /* Sanity check */ HDassert(f); - HDassert(super_ext_size); - /* Set up "fake" object location for superblock extension */ - H5O_loc_reset(&ext_loc); - ext_loc.file = f; - ext_loc.addr = f->shared->extension_addr; + /* Set the superblock size */ + if(super_size) { + H5P_genplist_t *plist; /* File creation property list */ + unsigned super_vers; /* Superblock version */ + + /* Get the shared file creation property list */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") + + /* Grab values from property list */ + if(H5P_get(plist, H5F_CRT_SUPER_VERS_NAME, &super_vers) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "unable to get superblock version") - /* Get object header info for superblock extension */ - if(H5O_get_info(&ext_loc, dxpl_id, FALSE, &oinfo) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve superblock extension info") + /* Set the superblock size */ + *super_size = H5F_SUPERBLOCK_SIZE(super_vers, f); + } /* end if */ /* Set the superblock extension size */ - *super_ext_size = oinfo.hdr.space.total; + if(super_ext_size) { + if(H5F_addr_defined(f->shared->extension_addr)) { + H5O_loc_t ext_loc; /* "Object location" for superblock extension */ + H5O_info_t oinfo; /* Object info for superblock extension */ + + /* Set up "fake" object location for superblock extension */ + H5O_loc_reset(&ext_loc); + ext_loc.file = f; + ext_loc.addr = f->shared->extension_addr; + + /* Get object header info for superblock extension */ + if(H5O_get_info(&ext_loc, dxpl_id, FALSE, &oinfo) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve superblock extension info") + + /* Set the superblock extension size */ + *super_ext_size = oinfo.hdr.space.total; + } /* end if */ + else + /* Set the superblock extension size to zero */ + *super_ext_size = (hsize_t)0; + } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) -} /* H5F_super_ext_size() */ +} /* H5F_super_size() */ /*------------------------------------------------------------------------- |