diff options
Diffstat (limited to 'src/H5T.c')
| -rw-r--r-- | src/H5T.c | 77 |
1 files changed, 77 insertions, 0 deletions
@@ -2660,6 +2660,46 @@ done: /*------------------------------------------------------------------------- + * Function: H5Tis_hard + * + * Purpose: Finds out whether the library's conversion function from + * type src_id to type dst_id is a hard conversion. A hard + * conversion uses compiler's casting; a soft conversion uses + * the library's own conversion function. + * + * Return: TRUE: hard conversion. + * FALSE: soft conversion. + * FAIL: failed. + * + * Programmer: Raymond Lu + * Friday, Sept 2, 2005 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +htri_t +H5Tis_hard(hid_t src_id, hid_t dst_id) +{ + htri_t ret_value; + H5T_t *src = NULL, *dst = NULL; + + FUNC_ENTER_API(H5Tis_hard, FAIL); + + /* Check args */ + if (NULL == (src = H5I_object_verify(src_id,H5I_DATATYPE)) || + NULL == (dst = H5I_object_verify(dst_id,H5I_DATATYPE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data type"); + + /* Find it */ + if((ret_value=H5T_is_hard(src, dst))<0) + HGOTO_ERROR(H5E_DATATYPE, H5E_NOTFOUND, FAIL, "conversion function not found"); + +done: + FUNC_LEAVE_API(ret_value); +} + +/*------------------------------------------------------------------------- * Function: H5Tconvert * * Purpose: Convert NELMTS elements from type SRC_ID to type DST_ID. The @@ -4565,6 +4605,43 @@ H5T_path_bkg(const H5T_path_t *p) /*------------------------------------------------------------------------- + * Function: H5T_is_hard + * + * Purpose: Private function for H5Tis_hard. Finds out whether the + * library's conversion function from type SRC to type DST + * is a hard conversion. + * + * Return: TRUE: hard conversion. + * FALSE: soft conversion. + * FAIL: function failed. + * + * Programmer: Raymond Lu + * Friday, Sept 2, 2005 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +htri_t +H5T_is_hard(H5T_t *src, H5T_t *dst) +{ + htri_t ret_value; + H5T_path_t *path = NULL; + + FUNC_ENTER_NOAPI(H5T_is_hard, FAIL); + + /* Find it */ + if (NULL==(path=H5T_path_find(src, dst, NULL, NULL, H5AC_ind_dxpl_id))) + HGOTO_ERROR(H5E_DATATYPE, H5E_NOTFOUND, FAIL, "conversion function not found"); + + ret_value = (htri_t)path->is_hard; + +done: + FUNC_LEAVE_NOAPI(ret_value); +} + + +/*------------------------------------------------------------------------- * Function: H5T_convert * * Purpose: Call a conversion function to convert from source to |