// Handles: ALL
static ZERO_OR_ERROR FS_read_all( struct one_wire_query *owq_all)
{
struct parsedname * pn = PN(owq_all) ;
// bitfield, convert to .BYTE format and write ( and delete cache ) as BYTE.
if ( pn->selected_filetype->format == ft_bitfield ) {
struct one_wire_query * owq_byte = OWQ_create_separate( EXTENSION_BYTE, owq_all ) ;
int ret = -EINVAL ;
if ( owq_byte != NO_ONE_WIRE_QUERY ) {
if ( FS_read_owq( owq_byte ) >= 0 ) {
size_t elements = pn->selected_filetype->ag->elements;
size_t extension;
for ( extension=0 ; extension < elements ; ++extension ) {
OWQ_array_Y(owq_all,extension) = UT_getbit_U( OWQ_U(owq_byte), extension ) ;
}
ret = 0 ;
}
OWQ_destroy( owq_byte ) ;
}
return ret ;
}
return FS_read_owq( owq_all ) ;
}
struct one_wire_query * BYTEtoALL(struct one_wire_query *owq_byte)
{
struct one_wire_query * owq_all = OWQ_create_aggregate( owq_byte );
size_t elements = PN(owq_all)->selected_filetype->ag->elements ;
size_t extension ;
if ( owq_all == NO_ONE_WIRE_QUERY ) {
return NO_ONE_WIRE_QUERY ;
}
for ( extension = 0 ; extension < elements ; ++extension ) {
OWQ_array_Y(owq_all,extension) = UT_getbit_U( OWQ_U(owq_byte), extension ) ;
}
return owq_all ;
}
struct one_wire_query * ALLtoBYTE(struct one_wire_query *owq_all)
{
struct one_wire_query * owq_byte = OWQ_create_separate( EXTENSION_BYTE, owq_all );
size_t elements = PN(owq_all)->selected_filetype->ag->elements ;
size_t extension ;
if ( owq_byte == NO_ONE_WIRE_QUERY ) {
return NO_ONE_WIRE_QUERY ;
}
for ( extension = 0 ; extension < elements ; ++extension ) {
UT_setbit_U( &OWQ_U(owq_byte), extension, OWQ_array_Y(owq_all,extension) ) ;
}
return owq_byte ;
}
// Handles: ALL
static ZERO_OR_ERROR FS_read_in_parts( struct one_wire_query *owq_all )
{
struct parsedname *pn = PN(owq_all);
struct filetype * ft = pn->selected_filetype ;
struct one_wire_query * owq_part ;
size_t elements = pn->selected_filetype->ag->elements;
size_t extension;
char * buffer_pointer = OWQ_buffer(owq_all) ;
size_t buffer_left = OWQ_size(owq_all) ;
// single for BYTE or iteration
owq_part = OWQ_create_separate( 0, owq_all ) ;
if ( owq_part == NO_ONE_WIRE_QUERY ) {
return -ENOENT ;
}
// bitfield
if ( ft->format == ft_bitfield ) {
OWQ_pn(owq_part).extension = EXTENSION_BYTE ;
if ( FS_read_owq(owq_part) < 0 ) {
OWQ_destroy( owq_part ) ;
return -EINVAL ;
}
for (extension = 0; extension < elements; ++extension) {
OWQ_array_Y(owq_all,extension) = UT_getbit_U( OWQ_U(owq_part), extension ) ;
}
OWQ_destroy( owq_part ) ;
return 0 ;
}
if ( BAD( OWQ_allocate_read_buffer( owq_part )) ) {
LEVEL_DEBUG("Can't allocate buffer space");
OWQ_destroy( owq_part ) ;
return -EMSGSIZE ;
}
/* Loop through get data */
for (extension = 0; extension < elements; ++extension) {
size_t part_length ;
OWQ_pn(owq_part).extension = extension;
if ( FS_read_owq(owq_part) < 0 ) {
OWQ_destroy( owq_part ) ;
return -EINVAL ;
}
// Check that there is enough space for the combined message
switch ( ft->format ) {
case ft_ascii:
case ft_vascii:
case ft_alias:
case ft_binary:
part_length = OWQ_length(owq_part) ;
if ( buffer_left < part_length ) {
OWQ_destroy( owq_part ) ;
return -EMSGSIZE ;
}
memcpy( buffer_pointer, OWQ_buffer(owq_part), part_length ) ;
OWQ_array_length(owq_all,extension) = part_length ;
buffer_pointer += part_length ;
buffer_left -= part_length ;
break ;
default:
// copy object (single to mixed array)
memcpy(&OWQ_array(owq_all)[extension], &OWQ_val(owq_part), sizeof(union value_object));
break;
}
}
OWQ_destroy( owq_part ) ;
return 0;
}