| /* GNU DBM - DataBase Manager include file |
| Copyright 1989, 1991 Free Software Foundation, Inc. |
| Written by Philip A. Nelson. |
| |
| 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; either version 2 of the License, or |
| (at your option) any later version. |
| |
| 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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; |