#ifndef _LDBM_H_
#define _LDBM_H_
-#ifdef LDBM_USE_GDBM
-
-/*****************************************************************
- * *
- * use gdbm if possible *
- * *
- *****************************************************************/
-
-#include <gdbm.h>
-
-typedef datum Datum;
-
-typedef GDBM_FILE LDBM;
-
-extern gdbm_error gdbm_errno;
-
-/* for ldbm_open */
-#define LDBM_READER GDBM_READER
-#define LDBM_WRITER GDBM_WRITER
-#define LDBM_WRCREAT GDBM_WRCREAT
-#define LDBM_NEWDB GDBM_NEWDB
-#define LDBM_FAST GDBM_FAST
-
-#define LDBM_SUFFIX ".gdbm"
-
-/* for ldbm_insert */
-#define LDBM_INSERT GDBM_INSERT
-#define LDBM_REPLACE GDBM_REPLACE
-#define LDBM_SYNC 0x80000000
-
-#else /* end of gdbm */
-
-#ifdef LDBM_USE_DBHASH
+#ifdef LDBM_USE_DBBTREE
/*****************************************************************
* *
- * use berkeley db hash package *
+ * use berkeley db btree package *
* *
*****************************************************************/
#include <limits.h>
#include <fcntl.h>
-#ifdef LDBM_USE_DB2_COMPAT185
+#ifdef HAVE_DB185_H
# include <db_185.h>
#else
# include <db.h>
-# ifdef LDBM_USE_DB2
+# ifdef HAVE_BERKELEY_DB2
# define R_NOOVERWRITE DB_NOOVERWRITE
# define DEFAULT_DB_PAGE_SIZE 1024
# endif
#endif
+
typedef DBT Datum;
#define dsize size
#define dptr data
typedef DB *LDBM;
-#define DB_TYPE DB_HASH
+#define DB_TYPE DB_BTREE
/* for ldbm_open */
-#ifdef LDBM_USE_DB2
+#ifdef HAVE_BERKELEY_DB2
# define LDBM_READER DB_RDONLY
# define LDBM_WRITER 0x00000 /* hopefully */
# define LDBM_WRCREAT (DB_NOMMAP|DB_CREATE|DB_THREAD)
# define LDBM_WRITER O_RDWR
# define LDBM_WRCREAT (O_RDWR|O_CREAT)
# define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
-# define LDBM_FAST 0
#endif
-#define LDBM_SUFFIX ".dbh"
+# define LDBM_FAST 0
+
+#define LDBM_SUFFIX ".dbb"
+#define LDBM_ORDERED 1
/* for ldbm_insert */
#define LDBM_INSERT R_NOOVERWRITE
#define LDBM_REPLACE 0
#define LDBM_SYNC 0x80000000
-extern int errno;
-
-#else /* end of db hash */
-
-#ifdef LDBM_USE_DBBTREE
+#elif defined( LDBM_USE_DBHASH )
/*****************************************************************
* *
- * use berkeley db btree package *
+ * use berkeley db hash package *
* *
*****************************************************************/
#include <limits.h>
#include <fcntl.h>
-#ifdef LDBM_USE_DB2_COMPAT185
+#ifdef HAVE_DB185_H
# include <db_185.h>
#else
# include <db.h>
# endif
#endif
-
typedef DBT Datum;
#define dsize size
#define dptr data
typedef DB *LDBM;
-#define DB_TYPE DB_BTREE
+#define DB_TYPE DB_HASH
/* for ldbm_open */
#ifdef LDBM_USE_DB2
# define LDBM_WRITER O_RDWR
# define LDBM_WRCREAT (O_RDWR|O_CREAT)
# define LDBM_NEWDB (O_RDWR|O_TRUNC|O_CREAT)
+# define LDBM_FAST 0
#endif
-# define LDBM_FAST 0
-
-#define LDBM_SUFFIX ".dbb"
-#define LDBM_ORDERED 1
+#define LDBM_SUFFIX ".dbh"
/* for ldbm_insert */
#define LDBM_INSERT R_NOOVERWRITE
#define LDBM_REPLACE 0
#define LDBM_SYNC 0x80000000
-extern int errno;
+#elif defined( HAVE_GDBM )
+
+/*****************************************************************
+ * *
+ * use gdbm if possible *
+ * *
+ *****************************************************************/
+
+#include <gdbm.h>
+
+typedef datum Datum;
+
+typedef GDBM_FILE LDBM;
+
+extern gdbm_error gdbm_errno;
+
+/* for ldbm_open */
+#define LDBM_READER GDBM_READER
+#define LDBM_WRITER GDBM_WRITER
+#define LDBM_WRCREAT GDBM_WRCREAT
+#define LDBM_NEWDB GDBM_NEWDB
+#define LDBM_FAST GDBM_FAST
+
+#define LDBM_SUFFIX ".gdbm"
+
+/* for ldbm_insert */
+#define LDBM_INSERT GDBM_INSERT
+#define LDBM_REPLACE GDBM_REPLACE
+#define LDBM_SYNC 0x80000000
-#else /* end of db btree */
-#ifdef LDBM_USE_NDBM
+#elif defined( HAVE_NDBM )
/*****************************************************************
* *
*****************************************************************/
#include <ndbm.h>
-#ifndef O_RDONLY
+
+#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#define LDBM_REPLACE DBM_REPLACE
#define LDBM_SYNC 0
-#endif /* ndbm */
-#endif /* db hash */
-#endif /* db btree */
-#endif /* gdbm */
+#endif
int ldbm_errno( LDBM ldbm );
LDBM ldbm_open( char *name, int rw, int mode, int dbcachesize );
int ldbm_store( LDBM ldbm, Datum key, Datum data, int flags );
int ldbm_delete( LDBM ldbm, Datum key );
-#if LDBM_USE_DB2
+#if HAVE_BERKELEY_DB2
void *ldbm_malloc( size_t size );
Datum ldbm_firstkey( LDBM ldbm, DBC **dbch );
Datum ldbm_nextkey( LDBM ldbm, Datum key, DBC *dbcp );