diff options
Diffstat (limited to 'src/H5O.c')
| -rw-r--r-- | src/H5O.c | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -634,9 +634,10 @@ herr_t H5O_create(H5F_t *f, hid_t dxpl_id, size_t size_hint, hid_t ocpl_id, H5O_loc_t *loc/*out*/) { - H5O_t *oh = NULL; + H5O_t *oh = NULL; /* Object header created */ haddr_t oh_addr; /* Address of initial object header */ size_t oh_size; /* Size of initial object header */ + hbool_t store_msg_crt_idx; /* Whether to always store message creation indices for this file */ herr_t ret_value = SUCCEED; /* return value */ FUNC_ENTER_NOAPI(H5O_create, FAIL) @@ -653,8 +654,12 @@ H5O_create(H5F_t *f, hid_t dxpl_id, size_t size_hint, hid_t ocpl_id, if(NULL == (oh = H5FL_CALLOC(H5O_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - /* Initialize rudimentary information object object header */ - oh->version = H5F_USE_LATEST_FORMAT(f) ? H5O_VERSION_LATEST : H5O_VERSION_1; + /* Initialize file-specific information for object header */ + store_msg_crt_idx = H5F_STORE_MSG_CRT_IDX(f); + if(H5F_USE_LATEST_FORMAT(f) || store_msg_crt_idx) + oh->version = H5O_VERSION_LATEST; + else + oh->version = H5O_VERSION_1; oh->sizeof_size = H5F_SIZEOF_SIZE(f); oh->sizeof_addr = H5F_SIZEOF_ADDR(f); @@ -676,7 +681,11 @@ H5O_create(H5F_t *f, hid_t dxpl_id, size_t size_hint, hid_t ocpl_id, else oh->atime = oh->mtime = oh->ctime = oh->btime = 0; - /* Initialize attribute tracking fields */ + /* Make certain attribute creation order tracking is enabled if + * attributes can be shared in this file. + */ + if(store_msg_crt_idx) + oh->flags |= H5O_HDR_ATTR_CRT_ORDER_TRACKED; /* Retrieve attribute storage phase change values from property list */ if(H5P_get(oc_plist, H5O_CRT_ATTR_MAX_COMPACT_NAME, &oh->max_compact) < 0) |