git.sur5r.net Git - openldap/blob - servers/slapd/back-ldbm/id2children.c

   1 /* id2children.c - routines to deal with the id2children index */
   2 /*
   3  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6
   7 #include "portable.h"
   8
   9 #include <stdio.h>
  10 #include <ac/string.h>
  11
  12 #include <ac/socket.h>
  13
  14 #include "slap.h"
  15 #include "back-ldbm.h"
  16
  17
  18 int
  19 has_children(
  20     Backend     *be,
  21     Entry       *p
  22 )
  23 {
  24         DBCache *db;
  25         Datum           key;
  26         int             rc = 0;
  27         ID_BLOCK                *idl;
  28
  29         ldbm_datum_init( key );
  30
  31         Debug( LDAP_DEBUG_TRACE, "=> has_children( %ld )\n", p->e_id , 0, 0 );
  32
  33         if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX,
  34             LDBM_WRCREAT )) == NULL ) {
  35                 Debug( LDAP_DEBUG_ANY,
  36                     "<= has_children -1 could not open \"dn2id%s\"\n",
  37                     LDBM_SUFFIX, 0, 0 );
  38                 return( 0 );
  39         }
  40
  41         key.dsize = strlen( p->e_ndn ) + 2;
  42         key.dptr = ch_malloc( key.dsize );
  43         sprintf( key.dptr, "%c%s", DN_ONE_PREFIX, p->e_ndn );
  44
  45         idl = idl_fetch( be, db, key );
  46
  47         free( key.dptr );
  48
  49         ldbm_cache_close( be, db );
  50
  51         if( idl != NULL ) {
  52                 idl_free( idl );
  53                 rc = 1;
  54         }
  55
  56         Debug( LDAP_DEBUG_TRACE, "<= has_children( %ld ): %s\n",
  57                 p->e_id, rc ? "yes" : "no", 0 );
  58         return( rc );
  59 }