@@ -289,16 +289,16 @@ ModemClass::ParseResult ModemClass::buf_read(const string &prompt, string &data_
289289 * in case multiple parameters separated by ',' are sent, they will be present in data_res
290290 * - if we encounter <CR> we need to wait for <LF>
291291 * - if we encounter <LF> we need to parse the response status
292- * - if we encounter '|', the next token will contain binary sized data, the current value in
292+ * - if we encounter '|', the next token will contain binary sized data, the current value
293293 * in data_res contains the length of the next token
294294 */
295295
296296 if (c == ' |' // sized read, the previous parameter is the length
297- state = at_parse_state_t ::Sized;
298- 299297 sized_read_size = atoi (data_res.c_str ());
300298 data_res.clear ();
301- if (sized_read_size == 0 ) {
299+ if (sized_read_size != 0 ) {
300+ state = at_parse_state_t ::Sized;
301+ } else {
302302 state = at_parse_state_t ::Res;
303303 }
304304 } else if (c == ' \r '
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