ip2llist.c

wm PNE 3.3 source code, running at more than vxworks6.x version.

/* ip2llist.c - ip2llist.c routines */

/*
 *  Copyright 2000-2005 Wind River Systems, Inc.
 *  All rights reserved.  Provided under license only.
 *  Distribution or other use of this software is only
 *  permitted pursuant to the terms of a license agreement
 *  from Wind River Systems (and is otherwise prohibited).
 *  Refer to that license agreement for terms of use.
 */

/*
 *  Copyright 1991-1997 Epilogue Technology Corporation.
 *  Copyright 1998 Integrated Systems, Inc.
 *  All rights reserved.
 */

/*
 * $Log: ip2llist.c,v $
 * Revision 1.2  2001/11/06 21:20:14  josh
 * revised new path hacking
 *
 * Revision 1.1.1.1  2001/11/05 17:47:39  tneale
 * Tornado shuffle
 *
 * Revision 9.2  2001/01/19 22:21:54  paul
 * Update copyright.
 *
 * Revision 9.1  2000/03/17 00:17:31  meister
 * Update copyright message
 *
 * Revision 9.0  1998/10/16 22:08:58  sar
 * Update version stamp to match release
 *
 * Revision 8.2  1998/06/05 18:52:51  sra
 * "#include <foo.h>" => "#include <envoy/h/foo.h>".
 *
 * Revision 8.1  1998/02/25 04:49:32  sra
 * Update copyrights.
 *
 * Revision 8.0  1997/11/18 00:56:05  sar
 * Updated revision to 8.0
 *
 * Revision 7.2  1997/03/20 06:50:05  sra
 * DFARS-safe copyright text.  Zap!
 *
 * Revision 7.1  1997/02/25 10:49:26  sra
 * Update copyright notice, dust under the bed.
 *
 * Revision 7.0  1996/03/15 22:21:24  sar
 * Updated revision to 7.0 and copyright to 96
 *
 * Revision 6.1  1996/01/05  19:02:18  sar
 * Removed no_pp style definitions as well as unnecessary include files
 *
 * Revision 6.0  1995/05/31  21:50:45  sra
 * Release 6.0.
 *
 * Revision 5.0  1994/05/16  15:29:57  sar
 * Updated revision to 5.0 and copyright to 1994
 *
 * Revision 4.0  1993/06/24  15:58:43  sar
 * Updated rev to 4.0 and copyright to 93
 *
 * Revision 3.0  1992/04/03  19:53:01  dab
 * Release 3.0
 *
 * Revision 1.5  92/03/26  10:53:18  dab
 * Fixed comment about this function being macro'd out if sizeof(long)
 * == sizeof(OIDC_T).  The C compiler can't handle this.  Sigh.
 * 
 * Revision 1.4  92/01/30  13:59:22  dab
 * Fixed up some typos in the NO_PP parts.
 * 
 * Revision 1.3  91/10/31  14:23:57  dab
 * llist argument should be signed longs.
 * 
 * Revision 1.2  91/10/30  20:38:35  dab
 * Directly include asn1conf.h and snmpdefs.h.
 * 
 * Revision 1.1  91/10/30  18:12:21  dab
 * Initial revision
 * 
 * 
 */

/* [clearcase]
modification history
-------------------
01d,12may05,job  fix apigen comments
01c,18apr05,job  update copyright notices
01b,16feb05,job  apigen for documented APIs
01a,24nov03,job  update copyright information
*/

/*
DESCRIPTION
This library contains ip2llist.c routines.

INCLUDE FILES: snmp.h
*/

#include <wrn/wm/snmp/engine/asn1conf.h>
#include <wrn/wm/snmp/engine/asn1.h>
#include <wrn/wm/snmp/engine/localio.h>
#include <wrn/wm/snmp/engine/buffer.h>
#include <wrn/wm/snmp/engine/decode.h>
#include <wrn/wm/snmp/engine/snmpdefs.h>
#include <wrn/wm/snmp/engine/snmp.h>
#include <wrn/wm/snmp/engine/auxfuncs.h>

/*******************************************************************************
*
* ip_to_llist - fill an object ID with the byte components of an IP address
* SYNOPSIS
*
* \cs
* int  ip_to_llist
*     ( 
*     UINT_32_T    ip_address, 
*     INT_32_T  *  long_list 
*     )
* \ce
*
* DESCRIPTION
*
* This routine fills an object ID with the byte components of an IP address.
*
* PARAMETERS
* \is
* \i <ip_address>
* Specify an IP address.
* \i <*long_list>
* Specify an object ID.
* \ie
*
* RETURNS: This routine always returns the number of components (4).
*
* ERRNO: N/A
*
* SEE ALSO: ip_to_rlist(), oid_to_ip()
*/
int
  ip_to_llist(UINT_32_T ip,
	      INT_32_T *llist)
{
  union {
    UINT_32_T laddr;
    OCTET_T baddr[4];
  } ip_address;
  int i;
  
  ip_address.laddr = ip;
  for (i = 0; i < 4; i++)
    *llist++ = ip_address.baddr[i];
  return 4;
}