Do not allocate memory for zero length strings. (#1844)

Fixes #1821. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
2017-05-22 13:17:08 +02:00
parent a504fd0333
commit e58f2880df
2 changed files with 21 additions and 0 deletions
@@ -1197,6 +1197,11 @@ lexer_process_char_literal (parser_context_t *context_p, /**< context */
    parser_raise_error (context_p, PARSER_ERR_LITERAL_LIMIT_REACHED);
  }

+  if (length == 0)
+  {
+    has_escape = false;
+  }
+
  literal_p = (lexer_literal_t *) parser_list_append (context_p, &context_p->literal_pool);
  literal_p->prop.length = (uint16_t) length;
  literal_p->type = literal_type;