projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| fcd5c293 RP |
1 | /* gdbm.h - The include file for dbm users. */ |
| 2 | ||
| 3 | /* GNU DBM - DataBase Manager (database subroutines) by Philip A. Nelson | |
| 4 | Copyright (C) 1989 Free Software Foundation, Inc. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU General Public License | |
| 16 | along with this program; if not, write to the Free Software | |
| 17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 18 | ||
| 19 | You may contact the author by: | |
| 20 | e-mail: phil@wwu.edu | |
| 21 | us-mail: Philip A. Nelson | |
| 22 | Computer Science Department | |
| 23 | Western Washington University | |
| 24 | Bellingham, WA 98226 | |
| 25 | phone: (206) 676-3035 | |
| 26 | ||
| 27 | *************************************************************************/ | |
| 28 | ||
| 29 | /* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who | |
| 30 | can create the database. */ | |
| 31 | #define GDBM_READER 0 | |
| 32 | #define GDBM_WRITER 1 | |
| 33 | #define GDBM_WRCREAT 2 | |
| 34 | #define GDBM_NEWDB 3 | |
| 35 | ||
| 36 | /* Parameters to gdbm_store for simple insertion or replacement. */ | |
| 37 | #define GDBM_INSERT 0 | |
| 38 | #define GDBM_REPLACE 1 | |
| 39 | ||
| 40 | ||
| 41 | /* The data and key structure. This structure is defined for compatibility. */ | |
| 42 | typedef struct { | |
| 43 | char *dptr; | |
| 44 | int dsize; | |
| 45 | } datum; | |
| 46 | ||
| 47 | ||
| 48 | /* The file information header. This is good enough for most applications. */ | |
| 49 | typedef struct {int dummy[10];} *GDBM_FILE; | |
| 50 | ||
| 51 | ||
| 52 | /* These are the routines! */ | |
| 53 | ||
| 54 | extern GDBM_FILE gdbm_open (); | |
| 55 | ||
| 56 | extern void gdbm_close (); | |
| 57 | ||
| 58 | extern datum gdbm_fetch (); | |
| 59 | ||
| 60 | extern int gdbm_store (); | |
| 61 | ||
| 62 | extern int gdbm_delete (); | |
| 63 | ||
| 64 | extern datum gdbm_firstkey (); | |
| 65 | ||
| 66 | extern datum gdbm_nextkey (); | |
| 67 | ||
| 68 | extern int gdbm_reorganize (); | |
| 69 | ||
| 70 | ||
| 71 | /* gdbm sends back the following error codes in the variable gdbm_errno. */ | |
| 72 | typedef enum { NO_ERROR, | |
| 73 | MALLOC_ERROR, | |
| 74 | BLOCK_SIZE_ERROR, | |
| 75 | FILE_OPEN_ERROR, | |
| 76 | FILE_WRITE_ERROR, | |
| 77 | FILE_SEEK_ERROR, | |
| 78 | FILE_READ_ERROR, | |
| 79 | BAD_MAGIC_NUMBER, | |
| 80 | EMPTY_DATABASE, | |
| 81 | CANT_BE_READER, | |
| 82 | CANT_BE_WRITER, | |
| 83 | READER_CANT_RECOVER, | |
| 84 | READER_CANT_DELETE, | |
| 85 | READER_CANT_STORE, | |
| 86 | READER_CANT_REORGANIZE, | |
| 87 | UNKNOWN_UPDATE, | |
| 88 | ITEM_NOT_FOUND, | |
| 89 | REORGANIZE_FAILED, | |
| 90 | CANNOT_REPLACE} | |
| 91 | gdbm_error; |