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Languguage OS 2
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Languguage OS II Version 10-94 (Knowledge Media)(1994).ISO
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a_utils
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perl
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msds-prl
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dosperl.zoo
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gdbm.h
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C/C++ Source or Header
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1991-08-18
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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 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 1, 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@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 /* 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. */
/* 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. */
/* 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 { GDBM_NO_ERROR,
GDBM_MALLOC_ERROR,
GDBM_BLOCK_SIZE_ERROR,
GDBM_FILE_OPEN_ERROR,
GDBM_FILE_WRITE_ERROR,
GDBM_FILE_SEEK_ERROR,
GDBM_FILE_READ_ERROR,
GDBM_BAD_MAGIC_NUMBER,
GDBM_EMPTY_DATABASE,
GDBM_CANT_BE_READER,
GDBM_CANT_BE_WRITER,
GDBM_READER_CANT_DELETE,
GDBM_READER_CANT_STORE,
GDBM_READER_CANT_REORGANIZE,
GDBM_UNKNOWN_UPDATE,
GDBM_ITEM_NOT_FOUND,
GDBM_REORGANIZE_FAILED,
GDBM_CANNOT_REPLACE}
gdbm_error;