/* 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape security libraries.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#ifdef DEBUG
static const char CVS_ID[] = "@(#) $Source: /cvsroot/mozilla/security/nss/lib/pkix/src/RDNSequence/PSetRelativeDistinguishedNames.c,v $ $Revision: 1.1 $ $Date: 2000/03/31 19:14:16 $ $Name: MOZILLA_1_3_RELEASE $";
#endif /* DEBUG */

#ifndef PKIX_H
#include "pkix.h"
#endif /* PKIX_H */

/*
 * nssPKIXRDNSequence_SetRelativeDistinguishedNames
 *
 * -- fgmr comments --
 * If the array pointer itself is null, the set is considered empty.
 * If the count is zero but the pointer nonnull, the array will be
 * assumed to be null-terminated.
 *
 * The error may be one of the following values:
 *  NSS_ERROR_INVALID_PKIX_RDN_SEQUENCE
 *  NSS_ERROR_INVALID_PKIX_RDN
 *
 * Return value:
 *  PR_SUCCESS upon success
 *  PR_FAILURE upon failure
 */

NSS_IMPLEMENT PRStatus
nssPKIXRDNSequence_SetRelativeDistinguishedNames
(
  NSSPKIXRDNSequence *rdnseq,
  NSSPKIXRelativeDistinguishedName *rdns[],
  PRInt32 countOpt
)
{
  NSSPKIXRelativeDistinguishedName **ip;
  NSSPKIXRelativeDistinguishedName **newarray;
  PRUint32 i;
  nssArenaMark *mark;

#ifdef NSSDEBUG
  if( PR_SUCCESS != nssPKIXRDNSequence_verifyPointer(rdnseq) ) {
    return PR_FAILURE;
  }

  if( (NSSPKIXRelativeDistinguishedName **)NULL == rdns ) {
    nss_SetError(NSS_ERROR_INVALID_POINTER);
    return PR_FAILURE;
  }

  {
    PRUint32 i, count;

    if( 0 == countOpt ) {
      for( i = 0; i < 0x80000000; i++ ) {
        if( (NSSPKIXRelativeDistinguishedName *)NULL == rdns[i] ) {
          break;
        }
      }

#ifdef PEDANTIC
      if( 0x80000000 == i ) {
        nss_SetError(NSS_ERROR_VALUE_OUT_OF_RANGE);
        return PR_FAILURE;
      }
#endif /* PEDANTIC */

      count = (PRUint32)i;
    } else {
      if( countOpt < 0 ) {
        nss_SetError(NSS_ERROR_VALUE_OUT_OF_RANGE);
        return PR_FAILURE;
      }

      count = (PRUint32)countOpt;
    }

    for( i = 0; i < count; i++ ) {
      if( PR_SUCCESS != nssPKIXRelativeDistinguishedName_verifyPointer(rdns[i]) ) {
        return PR_FAILURE;
      }
    }
  }
#endif /* NSSDEBUG */

  mark = nssArena_Mark(rdnseq->mark);
  if( (nssArenaMark *)NULL == mark ) {
    return PR_FAILURE;
  }

  newarray = nss_ZNEWARRAY(rdnseq->arena, NSSPKIXRelativeDistinguishedName *, countOpt);
  if( (NSSPKIXRelativeDistinguishedName **)NULL == newarray ) {
    goto loser;
  }

  for( i = 0; i < countOpt; i++ ) {
    newarray[i] = nssPKIXRelativeDistinguishedName_Duplicate(rdns[i], rdnseq->arena);
    if( (NSSPKIXRelativeDistinguishedName *)NULL == newarray[i] ) {
      goto loser;
    }
  }

  for( i = 0; i < rdnseq->count; i++ ) {
    if( PR_SUCCESS != nssPKIXRelativeDistinguishedName_Destroy(rdnseq->rdns[i]) ) {
      goto loser;
    }
  }

  nss_ZFreeIf(rdnseq->rdns);

  rdnseq->count = countOpt;
  rdnseq->rdns = newarray;

  (void)nss_pkix_RDNSequence_Clear(rdnseq);

  return nssArena_Unmark(rdnseq->arena, mark);

 loser:
  (void)nssArena_Release(a->arena, mark);
  return PR_FAILURE;
}

