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/* gdbm.h - The include file for dbm users. */
/* This file is part of GDBM, the GNU data base manager, by Philip A. Nelson.
Copyright (C) 1990, 1991, 1993 Free Software Foundation, Inc.
GDBM 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; either version 2, or (at your option)
any later version.
GDBM 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 GDBM; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
You may contact the author by:
e-mail: phil@cs.wwu.edu
us-mail: Philip A. Nelson
Computer Science Department
Western Washington University
Bellingham, WA 98226
*************************************************************************/
/* Protection for multiple includes. */
#ifndef _GDBM_H_
#define _GDBM_H_
/* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who
can create the database. */
#define GDBM_READER 0 /* A reader. */
#define GDBM_WRITER 1 /* A writer. */
#define GDBM_WRCREAT 2 /* A writer. Create the db if needed. */
#define GDBM_NEWDB 3 /* A writer. Always create a new db. */
#define GDBM_FAST 16 /* Write fast! => No fsyncs. */
/* Parameters to gdbm_store for simple insertion or replacement in the
case that the key is already in the database. */
#define GDBM_INSERT 0 /* Never replace old data with new. */
#define GDBM_REPLACE 1 /* Always replace old data with new. */
/* Parameters to gdbm_setopt, specifing the type of operation to perform. */
#define GDBM_CACHESIZE 1 /* Set the cache size. */
#define GDBM_FASTMODE 2 /* Toggle fast mode. */
/* 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;
/* Determine if the C(++) compiler requires complete function prototype */
#if __STDC__ || defined(__cplusplus) || defined(c_plusplus)
#define GDBM_Proto(x) x
#else
#define GDBM_Proto(x) ()
#endif /* NeedFunctionPrototypes */
/* External variable, the gdbm build release string. */
extern char *gdbm_version;
/* GDBM C++ support */
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* These are the routines! */
extern GDBM_FILE gdbm_open GDBM_Proto((
char *file,
int block_size,
int flags,
int mode,
void (*fatal_func)()
));
extern void gdbm_close GDBM_Proto((
GDBM_FILE dbf
));
extern int gdbm_store GDBM_Proto((
GDBM_FILE dbf,
datum key,
datum content,
int flags
));
extern datum gdbm_fetch GDBM_Proto((
GDBM_FILE dbf,
datum key
));
extern int gdbm_delete GDBM_Proto((
GDBM_FILE dbf,
datum key
));
extern datum gdbm_firstkey GDBM_Proto((
GDBM_FILE dbf
));
extern datum gdbm_nextkey GDBM_Proto((
GDBM_FILE dbf,
datum key
));
extern int gdbm_reorganize GDBM_Proto((
GDBM_FILE dbf
));
extern void gdbm_sync GDBM_Proto((
GDBM_FILE dbf
));
extern int gdbm_exists GDBM_Proto((
GDBM_FILE dbf,
datum key
));
extern int gdbm_setopt GDBM_Proto((
GDBM_FILE dbf,
int optflag,
int *optval,
int optlen
));
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
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