diff options
Diffstat (limited to 'src/H5Apkg.h')
| -rw-r--r-- | src/H5Apkg.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/H5Apkg.h b/src/H5Apkg.h index 10cebee..d1cc34c 100644 --- a/src/H5Apkg.h +++ b/src/H5Apkg.h @@ -51,6 +51,23 @@ /* Package Private Macros */ /**************************/ +/* This is the initial version, which does not have support for shared datatypes */ +#define H5O_ATTR_VERSION_1 1 + +/* This version allows support for shared datatypes & dataspaces by adding a + * 'flag' byte indicating when those components are shared. This version + * also dropped the alignment on all the components. + */ +#define H5O_ATTR_VERSION_2 2 + +/* Add support for different character encodings of attribute names */ +#define H5O_ATTR_VERSION_3 3 + +/* The latest version of the format. Look through the 'encode', 'decode' + * and 'size' message callbacks for places to change when updating this. + */ +#define H5O_ATTR_VERSION_LATEST H5O_ATTR_VERSION_3 + /****************************/ /* Package Private Typedefs */ @@ -60,16 +77,21 @@ struct H5A_t { H5O_shared_t sh_loc; /* Shared message info (must be first) */ + unsigned version; /* Version to encode attribute with */ hbool_t initialized;/* Indicate whether the attribute has been modified */ hbool_t obj_opened; /* Object header entry opened? */ H5O_loc_t oloc; /* Object location for object attribute is on */ H5G_name_t path; /* Group hierarchy path */ + char *name; /* Attribute's name */ H5T_cset_t encoding; /* Character encoding of attribute name */ + H5T_t *dt; /* Attribute's datatype */ size_t dt_size; /* Size of datatype on disk */ + H5S_t *ds; /* Attribute's dataspace */ size_t ds_size; /* Size of dataspace on disk */ + void *data; /* Attribute data (on a temporary basis) */ size_t data_size; /* Size of data on disk */ H5O_msg_crt_idx_t crt_idx; /* Attribute's creation index in the object header */ @@ -186,6 +208,7 @@ H5_DLL herr_t H5A_free(H5A_t *attr); H5_DLL herr_t H5A_close(H5A_t *attr); H5_DLL H5O_ainfo_t *H5A_get_ainfo(H5F_t *f, hid_t dxpl_id, H5O_t *oh, H5O_ainfo_t *ainfo); +H5_DLL unsigned H5A_get_version(const H5F_t *f, const H5A_t *attr); /* Attribute "dense" storage routines */ H5_DLL herr_t H5A_dense_create(H5F_t *f, hid_t dxpl_id, H5O_ainfo_t *ainfo); |