external/bsd/openldap/dist/libraries/libldap/addentry.c

   1 /* addentry.c */
   2 /* $OpenLDAP: pkg/ldap/libraries/libldap/addentry.c,v 1.16.2.3 2008/02/11 23:26:41 kurt Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1990 Regents of the University of Michigan.
  17  * All rights reserved.
  18  */
  19
  20 #include "portable.h"
  21
  22 #include <stdio.h>
  23
  24 #include <ac/stdlib.h>
  25
  26 #include <ac/socket.h>
  27 #include <ac/string.h>
  28 #include <ac/time.h>
  29
  30 #include "ldap-int.h"
  31
  32 LDAPMessage *
  33 ldap_delete_result_entry( LDAPMessage **list, LDAPMessage *e )
  34 {
  35         LDAPMessage     *tmp, *prev = NULL;
  36
  37         assert( list != NULL );
  38         assert( e != NULL );
  39
  40         for ( tmp = *list; tmp != NULL && tmp != e; tmp = tmp->lm_chain )
  41                 prev = tmp;
  42
  43         if ( tmp == NULL )
  44                 return( NULL );
  45
  46         if ( prev == NULL ) {
  47                 if ( tmp->lm_chain )
  48                         tmp->lm_chain->lm_chain_tail = (*list)->lm_chain_tail;
  49                 *list = tmp->lm_chain;
  50         } else {
  51                 prev->lm_chain = tmp->lm_chain;
  52                 if ( prev->lm_chain == NULL )
  53                         (*list)->lm_chain_tail = prev;
  54         }
  55         tmp->lm_chain = NULL;
  56
  57         return( tmp );
  58 }
  59
  60 void
  61 ldap_add_result_entry( LDAPMessage **list, LDAPMessage *e )
  62 {
  63         assert( list != NULL );
  64         assert( e != NULL );
  65
  66         e->lm_chain = *list;
  67         if ( *list )
  68                 e->lm_chain_tail = (*list)->lm_chain_tail;
  69         else
  70                 e->lm_chain_tail = e;
  71         *list = e;
  72 }