/* ldbm.h - ldap dbm compatibility routine header file */ /* $OpenLDAP: pkg/ldap/servers/slapd/back-ldbm/ldbm.h,v 1.2.2.3 2007/01/02 21:44:03 kurt Exp $ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2007 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #ifndef _LDBM_H_ #define _LDBM_H_ #include #include /* dummy DB_ENV for non Berkeley DB */ #if !defined( LDBM_USE_DBBTREE ) && !defined( LDBM_USE_DBHASH ) # define DB_ENV void #endif #if defined( LDBM_USE_DBBTREE ) || defined( LDBM_USE_DBHASH ) /***************************************************************** * * * use berkeley db btree or hash package * * * *****************************************************************/ #include #include #include #ifdef HAVE_DB_185_H # include #else # ifdef HAVE_DB1_DB_H # include # else # include # endif #endif #ifndef DB_VERSION_MAJOR # define DB_VERSION_MAJOR 1 #endif #ifndef DB_VERSION_MINOR # define DB_VERSION_MINOR 85 #endif #if DB_VERSION_MAJOR >= 2 # define R_NOOVERWRITE DB_NOOVERWRITE # ifndef DEFAULT_DB_PAGE_SIZE # define DEFAULT_DB_PAGE_SIZE 4096 # endif #else # define DB_ENV void #endif LDAP_BEGIN_DECL typedef DBT Datum; #define dsize size #define dptr data typedef DB *LDBM; /* for ldbm_open */ #if DB_VERSION_MAJOR >= 2 typedef DBC LDBMCursor; # define LDBM_READER DB_RDONLY # define LDBM_WRITER 0x00000 /* hopefully */ # if defined( HAVE_BERKELEY_DB_THREAD ) # define LDBM_WRCREAT (DB_NOMMAP|DB_CREATE|DB_THREAD) # define LDBM_NEWDB (DB_TRUNCATE|DB_CREATE|DB_THREAD) # else # define LDBM_WRCREAT (DB_NOMMAP|DB_CREATE) # define LDBM_NEWDB (DB_TRUNCATE|DB_CREATE) # endif #else typedef void LDBMCursor; # define LDBM_READER O_RDONLY # define LDBM_WRITER O_RDWR # define LDBM_WRCREAT (O_RDWR|O_CREAT) # define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT) #endif LDAP_END_DECL /* for ldbm_open */ #define LDBM_NOSYNC 0 #define LDBM_SYNC 0 #define LDBM_LOCKING 0 #define LDBM_NOLOCKING 0 /* for ldbm_insert */ #define LDBM_INSERT R_NOOVERWRITE #define LDBM_REPLACE 0 #ifdef LDBM_USE_DBBTREE # define LDBM_ORDERED 1 # define LDBM_SUFFIX ".dbb" # define DB_TYPE DB_BTREE #else # define LDBM_SUFFIX ".dbh" # define DB_TYPE DB_HASH #endif #elif defined( HAVE_GDBM ) /***************************************************************** * * * use gdbm if possible * * * *****************************************************************/ #include LDAP_BEGIN_DECL typedef datum Datum; typedef Datum LDBMCursor; typedef GDBM_FILE LDBM; LDAP_END_DECL /* for ldbm_open */ #define LDBM_READER GDBM_READER #define LDBM_WRITER GDBM_WRITER #define LDBM_WRCREAT GDBM_WRCREAT #define LDBM_NEWDB GDBM_NEWDB #ifdef GDBM_FAST #define LDBM_NOSYNC GDBM_FAST #else #define LDBM_NOSYNC 0 #endif #ifdef GDBM_SYNC #define LDBM_SYNC GDBM_SYNC #else #define LDBM_SYNC 0 #endif #define LDBM_LOCKING 0 #ifdef GDBM_NOLOCK #define LDBM_NOLOCKING GDBM_NOLOCK #else #define LDBM_NOLOCKING 0 #endif #define LDBM_SUFFIX ".gdbm" /* for ldbm_insert */ #define LDBM_INSERT GDBM_INSERT #define LDBM_REPLACE GDBM_REPLACE #elif defined( HAVE_MDBM ) /***************************************************************** * * * use mdbm if possible * * * *****************************************************************/ #include LDAP_BEGIN_DECL typedef datum Datum; typedef int LDBMCursor; typedef MDBM *LDBM; LDAP_END_DECL #include #include #include /* for ldbm_open */ #define LDBM_READER O_RDONLY #define LDBM_WRITER O_RDWR #define LDBM_WRCREAT (O_RDWR|O_CREAT) #define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT) #define LDBM_SYNC 0 #define LDBM_NOSYNC 0 #define LDBM_LOCKING 0 #define LDBM_NOLOCKING 0 #define LDBM_SUFFIX ".mdbm" /* for ldbm_insert */ #define LDBM_INSERT MDBM_INSERT #define LDBM_REPLACE MDBM_REPLACE #elif defined( HAVE_NDBM ) /***************************************************************** * * * if none of the above use ndbm, the standard unix thing * * * *****************************************************************/ #include #ifdef HAVE_FCNTL_H #include #endif LDAP_BEGIN_DECL typedef datum Datum; typedef int LDBMCursor; typedef DBM *LDBM; LDAP_END_DECL /* for ldbm_open */ #define LDBM_READER O_RDONLY #define LDBM_WRITER O_WRONLY #define LDBM_WRCREAT (O_RDWR|O_CREAT) #define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT) #define LDBM_NOSYNC 0 #define LDBM_SYNC 0 #define LDBM_NOLOCK 0 #define LDBM_SYNC 0 #define LDBM_SUFFIX ".ndbm" /* for ldbm_insert */ #define LDBM_INSERT DBM_INSERT #define LDBM_REPLACE DBM_REPLACE #endif LDAP_BEGIN_DECL LDAP_LDBM_F (int) ldbm_initialize( const char * ); LDAP_LDBM_F (int) ldbm_shutdown( void ); LDAP_LDBM_F (DB_ENV*) ldbm_initialize_env(const char *, int dbcachesize, int *envdirok); LDAP_LDBM_F (void) ldbm_shutdown_env(DB_ENV *); LDAP_LDBM_F (int) ldbm_errno( LDBM ldbm ); LDAP_LDBM_F (LDBM) ldbm_open( DB_ENV *env, char *name, int rw, int mode, int dbcachesize ); LDAP_LDBM_F (void) ldbm_close( LDBM ldbm ); LDAP_LDBM_F (void) ldbm_sync( LDBM ldbm ); LDAP_LDBM_F (void) ldbm_datum_free( LDBM ldbm, Datum data ); LDAP_LDBM_F (Datum) ldbm_datum_dup( LDBM ldbm, Datum data ); LDAP_LDBM_F (Datum) ldbm_fetch( LDBM ldbm, Datum key ); LDAP_LDBM_F (int) ldbm_store( LDBM ldbm, Datum key, Datum data, int flags ); LDAP_LDBM_F (int) ldbm_delete( LDBM ldbm, Datum key ); LDAP_LDBM_F (Datum) ldbm_firstkey( LDBM ldbm, LDBMCursor **cursor ); LDAP_LDBM_F (Datum) ldbm_nextkey( LDBM ldbm, Datum key, LDBMCursor *cursor ); /* initialization of Datum structures */ #if defined( HAVE_BERKELEY_DB ) && (DB_VERSION_MAJOR >= 2) LDAP_LDBM_F (void *) ldbm_malloc( size_t size ); # define ldbm_datum_init(d) ((void)memset(&(d), '\0', sizeof(Datum))) #else # define ldbm_datum_init(d) ((void)0) #endif /* HAVE_BERKELEY_DB */ LDAP_END_DECL #endif /* _ldbm_h_ */