source: trunk/libs/newlib/src/include/gdbm.h @ 478

Last change on this file since 478 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 2.4 KB
Line 
1/* GNU DBM - DataBase Manager include file
2   Copyright 1989, 1991  Free Software Foundation, Inc.
3   Written by Philip A. Nelson.
4
5This program is free software; you can redistribute it and/or modify
6it under the terms of the GNU General Public License as published by
7the Free Software Foundation; either version 2 of the License, or
8(at your option) any later version.
9
10This program is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this program; if not, write to the Free Software
17Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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. */
42typedef struct {
43        char *dptr;
44        int   dsize;
45      } datum;
46
47
48/* The file information header. This is good enough for most applications. */
49typedef struct {int dummy[10];} *GDBM_FILE;
50
51
52/* These are the routines! */
53
54extern GDBM_FILE gdbm_open ();
55
56extern void      gdbm_close ();
57
58extern datum     gdbm_fetch ();
59
60extern int       gdbm_store ();
61
62extern int       gdbm_delete ();
63
64extern datum     gdbm_firstkey ();
65
66extern datum     gdbm_nextkey ();
67
68extern int       gdbm_reorganize ();
69
70
71/* gdbm sends back the following error codes in the variable gdbm_errno. */
72typedef 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;
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