Experimental Physics and
Industrial Control System

Kazuro FURUKAWA <[email protected]> · Thu, 24 May 2001 15:36:01 +0900

Hi Jeff, 

>>> On Wed, 23 May 2001 15:54:29 CST,  "Jeff Hill" <[email protected]>  wrote;
> This particular ifdef was added to R3.13.4 so that it would be
> compatible with the SENS IP kernel present in Tornado II.
> 
> #if ( defined (BSD) && ( BSD >= 44 ) ) || defined ( SOCKADDR_HAS_LEN )
>      size = pifreq->ifr_addr.sa_len + sizeof(pifreq->ifr_name);
>      if (size < sizeof(*pifreq))
>          size = sizeof(*pifreq);
> #else
>      size = sizeof(*pifreq);
> 
> Apparently, the condition "(BSD) && ( BSD >= 44 )" is true on your OS  
> despite the fact that your OS does not, by default, expose an IP kernel 
> interface that behaves like BSD 4.4?

Actually BSD on Tru64Unix (both V4.0F and V5.1) is 198911, which means 
OSF1 was based on BSD 4.3 (?).  Thus ( defined (BSD) && ( BSD >= 44 ) ) 
does not work.  I did something like this, which is ugly. 

*** osdNetIntf.c.org    Fri Feb 16 09:21:11 2001
--- osdNetIntf.c        Wed Apr 11 11:50:54 2001
***************
*** 53,59 ****
  {
      unsigned int size;

! #if ( defined (BSD) && ( BSD >= 44 ) ) || defined ( SOCKADDR_HAS_LEN )
      size = pifreq->ifr_addr.sa_len + sizeof(pifreq->ifr_name);
      if (size < sizeof(*pifreq))
        size = sizeof(*pifreq);
--- 53,62 ----
  {
      unsigned int size;

! /* #if ( defined (BSD) && ( BSD >= 44 ) ) || defined ( SOCKADDR_HAS_LEN ) */
! #if (( defined (BSD) && ( BSD >= 44 ) ) || defined ( SOCKADDR_HAS_LEN )) && !defined ( __osf__ )
!     /* on osf1, BSD is 198911 */
! 
      size = pifreq->ifr_addr.sa_len + sizeof(pifreq->ifr_name);
      if (size < sizeof(*pifreq))
        size = sizeof(*pifreq);

Regards. 
-----
Kazuro FURUKAWA <[email protected]>
 Linac,  High Energy Accelerator Research Organization (KEK), Japan

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System