Commits on Sep 22, 2020

1. Fixed expanding variables at runtime …

   Expanding variables at runtime (that have not
   been registered before), for example in
   "ucl_parser_set_variables_handler" function,
   always expanded to an empty string though
   "replace" and "replace_len" were set properly.
   
   Example config:
   {
       foo = Hello World!;
       bar = ${foo};
   }
   
   Shortened unknown variable handler code:
   [...]
   
   root = ucl_parser_get_object(parser);
   var = ucl_object_lookup_path(root, path);
   *replace = (unsigned char*)var->value.sv;
   *replace_len = var->len;
   *need_free = false;
   return true;
   
   [...]
   
   In the above handler code "path" is "foo" but could
   be any dot notation path to an already existing
   object.
   
   UCL emitter always output:
   {
       foo = "Hello World!";
       bar = "";
   }
   
   Forwarding announced replaced data len from handler to
   "ucl_check_variable_safe" fixed the issue.

   

   PunishedSnakePr committed Sep 22, 2020
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2. Replaced spaces by tabs to match coding style

   

   PunishedSnakePr committed Sep 22, 2020
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