diff options
Diffstat (limited to 'src/dbfunctions.h')
| -rw-r--r-- | src/dbfunctions.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/dbfunctions.h b/src/dbfunctions.h new file mode 100644 index 0000000..07d4a62 --- /dev/null +++ b/src/dbfunctions.h @@ -0,0 +1,38 @@ +/************************************************* +* Exim - an Internet mail transport agent * +*************************************************/ + +/* Copyright (c) The Exim Maintainers 2022 */ +/* Copyright (c) University of Cambridge 1995 - 2021 */ +/* See the file NOTICE for conditions of use and distribution. */ + +#ifndef DBFUNCTIONS_H +#define DBFUNCTIONS_H + +/* Functions for reading/writing exim database files */ + +void dbfn_close(open_db *); +int dbfn_delete(open_db *, const uschar *); +open_db *dbfn_open(uschar *, int, open_db *, BOOL, BOOL); +void *dbfn_read_with_length(open_db *, const uschar *, int *); +void *dbfn_read_enforce_length(open_db *, const uschar *, size_t); +uschar *dbfn_scan(open_db *, BOOL, EXIM_CURSOR **); +int dbfn_write(open_db *, const uschar *, void *, int); + +/* Macro for the common call to read without wanting to know the length. */ + +#define dbfn_read(a, b) dbfn_read_with_length(a, b, NULL) + +/* Berkeley DB uses a callback function to pass back error details. Its API +changed at release 4.3. */ + +#if defined(USE_DB) && defined(DB_VERSION_STRING) +# if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3) +void dbfn_bdb_error_callback(const DB_ENV *, const char *, const char *); +# else +void dbfn_bdb_error_callback(const char *, char *); +# endif +#endif + +#endif +/* End of dbfunctions.h */ |