diff options
Diffstat (limited to 'src/H5Zscaleoffset.c')
| -rw-r--r-- | src/H5Zscaleoffset.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/H5Zscaleoffset.c b/src/H5Zscaleoffset.c index 5737702..eb3c6e6 100644 --- a/src/H5Zscaleoffset.c +++ b/src/H5Zscaleoffset.c @@ -41,7 +41,7 @@ enum H5Z_scaleoffset_t {t_bad=0, t_uchar=1, t_ushort, t_uint, t_ulong, t_ulong_l /* Local function prototypes */ static double H5Z_scaleoffset_rnd(double val); -static herr_t H5Z_can_apply_scaleoffset(hid_t dcpl_id, hid_t type_id, hid_t space_id); +static htri_t H5Z_can_apply_scaleoffset(hid_t dcpl_id, hid_t type_id, hid_t space_id); static enum H5Z_scaleoffset_t H5Z_scaleoffset_get_type(unsigned dtype_class, unsigned dtype_size, unsigned dtype_sign); static herr_t H5Z_scaleoffset_set_parms_fillval(H5P_genplist_t *dcpl_plist, @@ -611,13 +611,13 @@ H5Z_class2_t H5Z_SCALEOFFSET[1] = {{ * *------------------------------------------------------------------------- */ -static herr_t +static htri_t H5Z_can_apply_scaleoffset(hid_t UNUSED dcpl_id, hid_t type_id, hid_t UNUSED space_id) { const H5T_t *type; /* Datatype */ H5T_class_t dtype_class; /* Datatype's class */ H5T_order_t dtype_order; /* Datatype's endianness order */ - herr_t ret_value = TRUE; /* Return value */ + htri_t ret_value = TRUE; /* Return value */ FUNC_ENTER_NOAPI(H5Z_can_apply_scaleoffset, FAIL) @@ -640,9 +640,9 @@ H5Z_can_apply_scaleoffset(hid_t UNUSED dcpl_id, hid_t type_id, hid_t UNUSED spac /* Range check datatype's endianness order */ if(dtype_order != H5T_ORDER_LE && dtype_order != H5T_ORDER_BE) - HGOTO_ERROR(H5E_PLINE, H5E_BADTYPE, FAIL, "bad datatype endianness order") + HGOTO_ERROR(H5E_PLINE, H5E_BADTYPE, FALSE, "bad datatype endianness order") } else - HGOTO_ERROR(H5E_PLINE, H5E_BADTYPE, FAIL, "datatype class not supported by scaleoffset") + HGOTO_ERROR(H5E_PLINE, H5E_BADTYPE, FALSE, "datatype class not supported by scaleoffset") done: FUNC_LEAVE_NOAPI(ret_value) @@ -806,6 +806,11 @@ H5Z_set_local_scaleoffset(hid_t dcpl_id, hid_t type_id, hid_t space_id) if(NULL == (type = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype") +#ifdef H5_CLEAR_MEMORY + /* Initialize the parameters to a known state */ + HDmemset(cd_values, 0, sizeof(cd_values)); +#endif /* H5_CLEAR_MEMORY */ + /* Get the filter's current parameters */ if(H5P_get_filter_by_id(dcpl_plist, H5Z_FILTER_SCALEOFFSET, &flags, &cd_nelmts, cd_values, (size_t)0, NULL, NULL) < 0) HGOTO_ERROR(H5E_PLINE, H5E_CANTGET, FAIL, "can't get scaleoffset parameters") @@ -1182,6 +1187,14 @@ H5Z_filter_scaleoffset(unsigned flags, size_t cd_nelmts, const unsigned cd_value for(i = 0; i < sizeof(unsigned long long); i++) ((unsigned char *)outbuf)[5+i] = (unsigned char)((minval & ((unsigned long long)0xff << i*8)) >> i*8); +#ifdef H5_CLEAR_MEMORY + /* Zero out remaining, unused bytes */ + /* (Looks like an error in the original determination of how many + * bytes would be needed for parameters. - QAK, 2010/08/19) + */ + HDmemset(outbuf + 13, 0, (size_t)8); +#endif /* H5_CLEAR_MEMORY */ + /* special case: minbits equal to full precision */ if(minbits == p.size * 8) { HDmemcpy(outbuf + buf_offset, *buf, nbytes); |