Function append_user

sql/sql_acl.cc:7733–7747

append a user or role name to a buffer that will be later used as an error message */

  append a user or role name to a buffer that will be later used as an error message
*/
static void append_user(THD *thd, String *str,
                        const LEX_CSTRING *u, const LEX_CSTRING *h)
{
  if (str->length())
    str->append(',');
  append_query_string(system_charset_info, str, u->str, u->length,
                      thd->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES);
  /* hostname part is not relevant for roles, it is always empty */
  if (u->length == 0 || h->length != 0)
  {
    str->append('@');
    append_query_string(system_charset_info, str, h->str, h->length,
                        thd->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES);
  }
}

static void append_user(THD *thd, String *str, LEX_USER *user)
{