133965Sjdp/* GNU DBM - DataBase Manager include file
233965Sjdp   Copyright 1989, 1991  Free Software Foundation, Inc.
333965Sjdp   Written by Philip A. Nelson.
433965Sjdp
533965SjdpThis program is free software; you can redistribute it and/or modify
633965Sjdpit under the terms of the GNU General Public License as published by
733965Sjdpthe Free Software Foundation; either version 2 of the License, or
833965Sjdp(at your option) any later version.
933965Sjdp
1033965SjdpThis program is distributed in the hope that it will be useful,
1133965Sjdpbut WITHOUT ANY WARRANTY; without even the implied warranty of
1233965SjdpMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1333965SjdpGNU General Public License for more details.
1433965Sjdp
1533965SjdpYou should have received a copy of the GNU General Public License
1633965Sjdpalong with this program; if not, write to the Free Software
17218822SdimFoundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
1833965Sjdp
1933965Sjdp/* You may contact the author by:
2033965Sjdp       e-mail:  phil@wwu.edu
2133965Sjdp      us-mail:  Philip A. Nelson
2233965Sjdp                Computer Science Department
2333965Sjdp                Western Washington University
2433965Sjdp                Bellingham, WA 98226
2533965Sjdp        phone:  (206) 676-3035
2633965Sjdp
2733965Sjdp*************************************************************************/
2833965Sjdp
2933965Sjdp/* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who
3033965Sjdp   can create the database. */
3133965Sjdp#define  GDBM_READER  0
3233965Sjdp#define  GDBM_WRITER  1
3333965Sjdp#define  GDBM_WRCREAT 2
3433965Sjdp#define  GDBM_NEWDB   3
3533965Sjdp
3633965Sjdp/* Parameters to gdbm_store for simple insertion or replacement. */
3733965Sjdp#define  GDBM_INSERT  0
3833965Sjdp#define  GDBM_REPLACE 1
3933965Sjdp
4033965Sjdp
4133965Sjdp/* The data and key structure.  This structure is defined for compatibility. */
4233965Sjdptypedef struct {
4333965Sjdp	char *dptr;
4433965Sjdp	int   dsize;
4533965Sjdp      } datum;
4633965Sjdp
4733965Sjdp
4833965Sjdp/* The file information header. This is good enough for most applications. */
4933965Sjdptypedef struct {int dummy[10];} *GDBM_FILE;
5033965Sjdp
5133965Sjdp
5233965Sjdp/* These are the routines! */
5333965Sjdp
5433965Sjdpextern GDBM_FILE gdbm_open ();
5533965Sjdp
5633965Sjdpextern void	 gdbm_close ();
5733965Sjdp
5833965Sjdpextern datum	 gdbm_fetch ();
5933965Sjdp
6033965Sjdpextern int	 gdbm_store ();
6133965Sjdp
6233965Sjdpextern int	 gdbm_delete ();
6333965Sjdp
6433965Sjdpextern datum	 gdbm_firstkey ();
6533965Sjdp
6633965Sjdpextern datum	 gdbm_nextkey ();
6733965Sjdp
6833965Sjdpextern int	 gdbm_reorganize ();
6933965Sjdp
7033965Sjdp
7133965Sjdp/* gdbm sends back the following error codes in the variable gdbm_errno. */
7233965Sjdptypedef enum {	NO_ERROR,
7333965Sjdp		MALLOC_ERROR,
7433965Sjdp		BLOCK_SIZE_ERROR,
7533965Sjdp		FILE_OPEN_ERROR,
7633965Sjdp		FILE_WRITE_ERROR,
7733965Sjdp		FILE_SEEK_ERROR,
7833965Sjdp		FILE_READ_ERROR,
7933965Sjdp		BAD_MAGIC_NUMBER,
8033965Sjdp		EMPTY_DATABASE,
8133965Sjdp		CANT_BE_READER,
8233965Sjdp	        CANT_BE_WRITER,
8333965Sjdp		READER_CANT_RECOVER,
8433965Sjdp		READER_CANT_DELETE,
8533965Sjdp		READER_CANT_STORE,
8633965Sjdp		READER_CANT_REORGANIZE,
8733965Sjdp		UNKNOWN_UPDATE,
8833965Sjdp		ITEM_NOT_FOUND,
8933965Sjdp		REORGANIZE_FAILED,
9033965Sjdp		CANNOT_REPLACE}
9133965Sjdp	gdbm_error;
92