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/* gdbm.h - The include file for dbm users. */
/* GNU DBM - DataBase Manager (database subroutines) by Philip A. Nelson
Copyright (C) 1989 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
You may contact the author by:
e-mail: phil@wwu.edu
us-mail: Philip A. Nelson
Computer Science Department
Western Washington University
Bellingham, WA 98226
phone: (206) 676-3035
*************************************************************************/
/* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who
can create the database. */
#define GDBM_READER 0
#define GDBM_WRITER 1
#define GDBM_WRCREAT 2
#define GDBM_NEWDB 3
/* Parameters to gdbm_store for simple insertion or replacement. */
#define GDBM_INSERT 0
#define GDBM_REPLACE 1
/* The data and key structure. This structure is defined for compatibility. */
typedef struct {
char *dptr;
int dsize;
} datum;
/* The file information header. This is good enough for most applications. */
typedef struct {int dummy[10];} *GDBM_FILE;
/* These are the routines! */
extern GDBM_FILE gdbm_open ();
extern void gdbm_close ();
extern datum gdbm_fetch ();
extern int gdbm_store ();
extern int gdbm_delete ();
extern datum gdbm_firstkey ();
extern datum gdbm_nextkey ();
extern int gdbm_reorganize ();
/* gdbm sends back the following error codes in the variable gdbm_errno. */
typedef enum { NO_ERROR,
MALLOC_ERROR,
BLOCK_SIZE_ERROR,
FILE_OPEN_ERROR,
FILE_WRITE_ERROR,
FILE_SEEK_ERROR,
FILE_READ_ERROR,
BAD_MAGIC_NUMBER,
EMPTY_DATABASE,
CANT_BE_READER,
CANT_BE_WRITER,
READER_CANT_RECOVER,
READER_CANT_DELETE,
READER_CANT_STORE,
READER_CANT_REORGANIZE,
UNKNOWN_UPDATE,
ITEM_NOT_FOUND,
REORGANIZE_FAILED,
CANNOT_REPLACE}
gdbm_error;
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