359 bool checkreturn pb_make_string_substream(pb_istream_t *stream, pb_istream_t *substream)  in pb_make_string_substream()  argument
365     *substream = *stream;  in pb_make_string_substream()
366     if (substream->bytes_left < size)  in pb_make_string_substream()
369     substream->bytes_left = (size_t)size;  in pb_make_string_substream()
374 bool checkreturn pb_close_string_substream(pb_istream_t *stream, pb_istream_t *substream)  in pb_close_string_substream()  argument
376     if (substream->bytes_left) {  in pb_close_string_substream()
377         if (!pb_read(substream, NULL, substream->bytes_left))  in pb_close_string_substream()
381     stream->state = substream->state;  in pb_close_string_substream()
384     stream->errmsg = substream->errmsg;  in pb_close_string_substream()
482                 pb_istream_t substream;  in decode_static_field()  local
486                 if (!pb_make_string_substream(stream, &substream))  in decode_static_field()
489                 while (substream.bytes_left > 0 && *size < field->array_size)  in decode_static_field()
491                     if (!decode_basic_field(&substream, PB_WT_PACKED, field))  in decode_static_field()
500                 if (substream.bytes_left != 0)  in decode_static_field()
502                 if (!pb_close_string_substream(stream, &substream))  in decode_static_field()
670                 pb_istream_t substream;  in decode_pointer_field()
672                 if (!pb_make_string_substream(stream, &substream))  in decode_pointer_field()
675                 while (substream.bytes_left)  in decode_pointer_field()
691                         size_t remain = (substream.bytes_left - 1) / field->data_size + 1;  in decode_pointer_field()
697 …                  if (!allocate_field(&substream, field->pField, field->data_size, allocated_size))  in decode_pointer_field()
707                     if (!decode_basic_field(&substream, PB_WT_PACKED, field))  in decode_pointer_field()
715                 if (!pb_close_string_substream(stream, &substream))  in decode_pointer_field()
750         pb_istream_t substream;  in decode_callback_field()  local
753         if (!pb_make_string_substream(stream, &substream))  in decode_callback_field()
758             prev_bytes_left = substream.bytes_left;  in decode_callback_field()
759             if (!field->descriptor->field_callback(&substream, NULL, field))  in decode_callback_field()
761         } while (substream.bytes_left > 0 && substream.bytes_left < prev_bytes_left);  in decode_callback_field()
763         if (!pb_close_string_substream(stream, &substream))  in decode_callback_field()
774         pb_istream_t substream;  in decode_callback_field()  local
780         substream = pb_istream_from_buffer(buffer, size);  in decode_callback_field()
782         return field->descriptor->field_callback(&substream, NULL, field);  in decode_callback_field()
1152       pb_istream_t substream;  in pb_decode_ex()  local
1153       if (!pb_make_string_substream(stream, &substream))  in pb_decode_ex()
1156       status = pb_decode_inner(&substream, fields, dest_struct, flags);  in pb_decode_ex()
1158       if (!pb_close_string_substream(stream, &substream))  in pb_decode_ex()
1572     pb_istream_t substream;  in pb_dec_submessage()  local
1574     if (!pb_make_string_substream(stream, &substream))  in pb_dec_submessage()
1589             status = callback->funcs.decode(&substream, field, &callback->arg);  in pb_dec_submessage()
1591             if (substream.bytes_left == 0)  in pb_dec_submessage()
1611         status = pb_decode_inner(&substream, field->submsg_desc, field->pData, flags);  in pb_dec_submessage()
1614     if (!pb_close_string_substream(stream, &substream))  in pb_dec_submessage()