diff options
Diffstat (limited to 'src/H5T.c')
-rw-r--r-- | src/H5T.c | 64 |
1 files changed, 61 insertions, 3 deletions
@@ -5851,14 +5851,15 @@ H5T_commit (H5G_entry_t *loc, const char *name, H5T_t *type) FUNC_ENTER_NOAPI(H5T_commit, FAIL); + assert (loc); + assert (name && *name); + assert (type); + /* * Check arguments. We cannot commit an immutable type because H5Tclose() * normally fails on such types (try H5Tclose(H5T_NATIVE_INT)) but closing * a named type should always succeed. */ - assert (loc); - assert (name && *name); - assert (type); if (H5T_STATE_NAMED==type->state || H5T_STATE_OPEN==type->state) { HRETURN_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "data type is already committed"); @@ -5868,6 +5869,10 @@ H5T_commit (H5G_entry_t *loc, const char *name, H5T_t *type) "data type is immutable"); } + /* Check for a "sensible" datatype to store on disk */ + if(H5T_is_sensible(type)!=TRUE) + HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "datatype is not sensible"); + /* Find the insertion file */ if (NULL==(file=H5G_insertion_file(loc, name))) { HRETURN_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, @@ -8089,6 +8094,59 @@ H5Tget_array_dims(hid_t type_id, hsize_t dims[], int perm[]) /*------------------------------------------------------------------------- + * Function: H5T_is_sensible + * + * Purpose: Determines if a data type is sensible to store on disk + * (i.e. not partially initialized) + * + * Return: Success: TRUE, FALSE + * + * Failure: Negative + * + * Programmer: Quincey Koziol + * Tuesday, June 11, 2002 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +htri_t +H5T_is_sensible(const H5T_t *dt) +{ + htri_t ret_value = FAIL; + + FUNC_ENTER_NOAPI(H5T_is_sensible, FAIL); + + assert(dt); + + switch(dt->type) { + case H5T_COMPOUND: + /* Only allow compound datatypes with at least one member to be stored on disk */ + if(dt->u.compnd.nmembs > 0) + ret_value=TRUE; + else + ret_value=FALSE; + break; + + case H5T_ENUM: + /* Only allow enum datatypes with at least one member to be stored on disk */ + if(dt->u.enumer.nmembs > 0) + ret_value=TRUE; + else + ret_value=FALSE; + break; + + default: + /* Assume all other datatype are sensible to store on disk */ + ret_value=TRUE; + break; + } /* end switch */ + + FUNC_LEAVE(ret_value); +} + + +/*------------------------------------------------------------------------- * Function: H5T_print_stats * * Purpose: Print statistics about a conversion path. Statistics are |