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

   1 /* id2children.c - routines to deal with the id2children index */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12
  13 #include <ac/socket.h>
  14
  15 #include "slap.h"
  16 #include "back-ldbm.h"
  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 #ifdef NEW_LOGGING
  32         LDAP_LOG( INDEX, ENTRY, "has_children: enter %ld\n", p->e_id, 0, 0 );
  33 #else
  34         Debug( LDAP_DEBUG_TRACE, "=> has_children( %ld )\n", p->e_id , 0, 0 );
  35 #endif
  36
  37
  38         if ( (db = ldbm_cache_open( be, "dn2id", LDBM_SUFFIX,
  39             LDBM_WRCREAT )) == NULL ) {
  40 #ifdef NEW_LOGGING
  41                 LDAP_LOG( INDEX, ERR,
  42                         "has_children: could not open \"dn2id%s\"\n", LDBM_SUFFIX, 0, 0 );
  43 #else
  44                 Debug( LDAP_DEBUG_ANY,
  45                     "<= has_children -1 could not open \"dn2id%s\"\n",
  46                     LDBM_SUFFIX, 0, 0 );
  47 #endif
  48
  49                 return( 0 );
  50         }
  51
  52         key.dsize = strlen( p->e_ndn ) + 2;
  53         key.dptr = ch_malloc( key.dsize );
  54         sprintf( key.dptr, "%c%s", DN_ONE_PREFIX, p->e_ndn );
  55
  56         idl = idl_fetch( be, db, key );
  57
  58         free( key.dptr );
  59
  60         ldbm_cache_close( be, db );
  61
  62         if( idl != NULL ) {
  63                 idl_free( idl );
  64                 rc = 1;
  65         }
  66
  67 #ifdef NEW_LOGGING
  68         LDAP_LOG( INDEX, ENTRY,
  69                    "has_children: id (%ld) %s children.\n",
  70                    p->e_id, rc ? "has" : "doesn't have", 0 );
  71 #else
  72         Debug( LDAP_DEBUG_TRACE, "<= has_children( %ld ): %s\n",
  73                 p->e_id, rc ? "yes" : "no", 0 );
  74 #endif
  75
  76         return( rc );
  77 }