Function append_str

sql/sql_acl.cc:7761–7766

append a string to a buffer that will be later used as an error message @note a string can be either CURRENT_USER or CURRENT_ROLE or NONE, it should be neither quoted nor escaped. */

  neither quoted nor escaped.
*/
static void append_str(String *str, const char *s, size_t l)
{
  if (str->length())
    str->append(',');
  str->append(s, l);
}

static int can_grant_role_callback(ACL_USER_BASE *grantee,
                                   ACL_ROLE *role, void *data)