| 1 | /* GNU DBM - DataBase Manager include file
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| 2 | Copyright 1989, 1991 Free Software Foundation, Inc.
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| 3 | Written by Philip A. Nelson.
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 2 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program; if not, write to the Free Software
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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| 18 |
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| 19 | /* You may contact the author by:
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| 20 | e-mail: phil@wwu.edu
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| 21 | us-mail: Philip A. Nelson
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| 22 | Computer Science Department
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| 23 | Western Washington University
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| 24 | Bellingham, WA 98226
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| 25 | phone: (206) 676-3035
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| 26 |
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| 27 | *************************************************************************/
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| 28 |
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| 29 | /* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who
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| 30 | can create the database. */
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| 31 | #define GDBM_READER 0
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| 32 | #define GDBM_WRITER 1
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| 33 | #define GDBM_WRCREAT 2
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| 34 | #define GDBM_NEWDB 3
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| 35 |
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| 36 | /* Parameters to gdbm_store for simple insertion or replacement. */
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| 37 | #define GDBM_INSERT 0
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| 38 | #define GDBM_REPLACE 1
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| 39 |
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| 40 |
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| 41 | /* The data and key structure. This structure is defined for compatibility. */
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| 42 | typedef struct {
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| 43 | char *dptr;
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| 44 | int dsize;
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| 45 | } datum;
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| 46 |
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| 47 |
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| 48 | /* The file information header. This is good enough for most applications. */
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| 49 | typedef struct {int dummy[10];} *GDBM_FILE;
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| 50 |
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| 51 |
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| 52 | /* These are the routines! */
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| 53 |
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| 54 | extern GDBM_FILE gdbm_open ();
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| 55 |
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| 56 | extern void gdbm_close ();
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| 57 |
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| 58 | extern datum gdbm_fetch ();
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| 59 |
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| 60 | extern int gdbm_store ();
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| 61 |
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| 62 | extern int gdbm_delete ();
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| 63 |
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| 64 | extern datum gdbm_firstkey ();
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| 65 |
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| 66 | extern datum gdbm_nextkey ();
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| 67 |
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| 68 | extern int gdbm_reorganize ();
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| 69 |
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| 70 |
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| 71 | /* gdbm sends back the following error codes in the variable gdbm_errno. */
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| 72 | typedef enum { NO_ERROR,
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| 73 | MALLOC_ERROR,
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| 74 | BLOCK_SIZE_ERROR,
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| 75 | FILE_OPEN_ERROR,
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| 76 | FILE_WRITE_ERROR,
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| 77 | FILE_SEEK_ERROR,
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| 78 | FILE_READ_ERROR,
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| 79 | BAD_MAGIC_NUMBER,
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| 80 | EMPTY_DATABASE,
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| 81 | CANT_BE_READER,
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| 82 | CANT_BE_WRITER,
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| 83 | READER_CANT_RECOVER,
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| 84 | READER_CANT_DELETE,
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| 85 | READER_CANT_STORE,
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| 86 | READER_CANT_REORGANIZE,
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| 87 | UNKNOWN_UPDATE,
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| 88 | ITEM_NOT_FOUND,
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| 89 | REORGANIZE_FAILED,
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| 90 | CANNOT_REPLACE}
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| 91 | gdbm_error;
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