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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 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@cs.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! */
-
- #ifdef __STDC__
- extern GDBM_FILE gdbm_open (char *, int, int, int, void (*) ());
- extern void gdbm_close (gdbm_file_info *);
- extern datum gdbm_fetch (gdbm_file_info *, datum);
- extern int gdbm_store (gdbm_file_info *, datum, datum, int);
- extern int gdbm_delete (gdbm_file_info *, datum);
- extern datum gdbm_firstkey (gdbm_file_info *);
- extern datum gdbm_nextkey (gdbm_file_info *, datum);
- extern int gdbm_reorganize (gdbm_file_info *);
- #else
- 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 ();
- #endif
-
- /* 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_ILLEGAL_DATA}
- gdbm_error;
-