diff options
Diffstat (limited to 'src/H5Aint.c')
| -rw-r--r-- | src/H5Aint.c | 59 |
1 files changed, 35 insertions, 24 deletions
diff --git a/src/H5Aint.c b/src/H5Aint.c index a02dcc9..e666e8c 100644 --- a/src/H5Aint.c +++ b/src/H5Aint.c @@ -106,6 +106,12 @@ static herr_t H5A__iterate_common(hid_t loc_id, H5_index_t idx_type, /* Package Variables */ /*********************/ +/* Format version bounds for attribute */ +const unsigned H5O_attr_ver_bounds[] = { + H5O_ATTR_VERSION_1, /* H5F_LIBVER_EARLIEST */ + H5O_ATTR_VERSION_3, /* H5F_LIBVER_V18 */ + H5O_ATTR_VERSION_LATEST /* H5F_LIBVER_LATEST */ +}; /*****************************/ /* Library Private Variables */ @@ -205,18 +211,16 @@ H5A__create_common(const H5G_loc_t *loc, const char *name, const H5T_t *type, if(H5T_set_loc(attr->shared->dt, loc->oloc->file, H5T_LOC_DISK) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "invalid datatype location") - /* Set the latest format for datatype, if requested */ - if(H5F_USE_LATEST_FLAGS(loc->oloc->file, H5F_LATEST_DATATYPE)) - if(H5T_set_latest_version(attr->shared->dt) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, NULL, "can't set latest version of datatype") + /* Set the version for datatype */ + if(H5T_set_version(loc->oloc->file, attr->shared->dt) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, NULL, "can't set version of datatype") /* Copy the dataspace for the attribute */ attr->shared->ds = H5S_copy(space, FALSE, TRUE); - /* Set the latest format for dataspace, if requested */ - if(H5F_USE_LATEST_FLAGS(loc->oloc->file, H5F_LATEST_DATASPACE)) - if(H5S_set_latest_version(attr->shared->ds) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, NULL, "can't set latest version of dataspace") + /* Set the version for dataspace */ + if(H5S_set_version(loc->oloc->file, attr->shared->ds) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, NULL, "can't set version of dataspace") /* Copy the object header information */ if(H5O_loc_copy(&(attr->oloc), loc->oloc, H5_COPY_DEEP) < 0) @@ -2049,11 +2053,11 @@ done: * Function: H5A__set_version * * Purpose: Sets the correct version to encode attribute with. - * Chooses the oldest version possible, unless the "use the - * latest format" flag is set. + * Chooses the oldest version possible, unless the + * file's low bound indicates otherwise. * - * Return: Success: Non-negative - * Failure: Negative + * Return: Success: Non-negative + * Failure: Negative * * Programmer: Quincey Koziol * koziol@hdfgroup.org @@ -2065,17 +2069,15 @@ herr_t H5A__set_version(const H5F_t *f, H5A_t *attr) { hbool_t type_shared, space_shared; /* Flags to indicate that shared messages are used for this attribute */ - hbool_t use_latest_format; /* Flag indicating the latest attribute version support is enabled */ + uint8_t version; /* Message version */ + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_PACKAGE_NOERR + FUNC_ENTER_PACKAGE /* check arguments */ HDassert(f); HDassert(attr); - /* Get the file's 'use the latest attribute version support' flag */ - use_latest_format = H5F_USE_LATEST_FLAGS(f, H5F_LATEST_ATTRIBUTE); - /* Check whether datatype and dataspace are shared */ if(H5O_msg_is_shared(H5O_DTYPE_ID, attr->shared->dt) > 0) type_shared = TRUE; @@ -2088,16 +2090,25 @@ H5A__set_version(const H5F_t *f, H5A_t *attr) space_shared = FALSE; /* Check which version to encode attribute with */ - if(use_latest_format) - attr->shared->version = H5O_ATTR_VERSION_LATEST; /* Write out latest attribute version */ - else if(attr->shared->encoding != H5T_CSET_ASCII) - attr->shared->version = H5O_ATTR_VERSION_3; /* Write version which includes the character encoding */ + if(attr->shared->encoding != H5T_CSET_ASCII) + version = H5O_ATTR_VERSION_3; /* Write version which includes the character encoding */ else if(type_shared || space_shared) - attr->shared->version = H5O_ATTR_VERSION_2; /* Write out version with flag for indicating shared datatype or dataspace */ + version = H5O_ATTR_VERSION_2; /* Write out version with flag for indicating shared datatype or dataspace */ else - attr->shared->version = H5O_ATTR_VERSION_1; /* Write out basic version */ + version = H5O_ATTR_VERSION_1; /* Write out basic version */ - FUNC_LEAVE_NOAPI(SUCCEED) + /* Upgrade to the version indicated by the file's low bound if higher */ + version = MAX(version, (uint8_t)H5O_attr_ver_bounds[H5F_LOW_BOUND(f)]); + + /* Version bounds check */ + if(version > H5O_attr_ver_bounds[H5F_HIGH_BOUND(f)]) + HGOTO_ERROR(H5E_ATTR, H5E_BADRANGE, FAIL, "attribute version out of bounds") + + /* Set the message version */ + attr->shared->version = version; + +done: + FUNC_LEAVE_NOAPI(ret_value) } /* end H5A__set_version() */ |