Merge branch 'debian' into hcoop_489
[hcoop/debian/exim4.git] / src / dbfunctions.h
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
2813c06e 5/* Copyright (c) University of Cambridge 1995 - 2015 */
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6/* See the file NOTICE for conditions of use and distribution. */
7
8
9/* Functions for reading/writing exim database files */
10
11void dbfn_close(open_db *);
2813c06e 12int dbfn_delete(open_db *, const uschar *);
420a0d19 13open_db *dbfn_open(uschar *, int, open_db *, BOOL);
2813c06e 14void *dbfn_read_with_length(open_db *, const uschar *, int *);
420a0d19 15uschar *dbfn_scan(open_db *, BOOL, EXIM_CURSOR **);
2813c06e 16int dbfn_write(open_db *, const uschar *, void *, int);
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17
18/* Macro for the common call to read without wanting to know the length. */
19
20#define dbfn_read(a, b) dbfn_read_with_length(a, b, NULL)
21
22/* Berkeley DB uses a callback function to pass back error details. Its API
23changed at release 4.3. */
24
25#if defined(USE_DB) && defined(DB_VERSION_STRING)
26#if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3)
27void dbfn_bdb_error_callback(const DB_ENV *, const char *, const char *);
28#else
29void dbfn_bdb_error_callback(const char *, char *);
30#endif
31#endif
32
33/* End of dbfunctions.h */