Grammar change in the license declaration.

[citadel.git] / citadel / server / database.h

diff --git a/citadel/server/database.h b/citadel/server/database.h
index b9b76b715918992912c6ffab9937f52e1372ea53..d7f9771ef494ee38b779f1070bb074eb2d11704a 100644 (file)
--- a/citadel/server/database.h
+++ b/citadel/server/database.h
@@ -1,60 +1,30 @@
-/*
- * Copyright (c) 1987-2017 by the citadel.org team
- *
- *  This program is open source software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 3.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- */
+// Copyright (c) 1987-2023 by the citadel.org team
+// This program is open source software.  Use, duplication, or disclosure
+// is subject to the terms of the GNU General Public License, version 3.
+
+// These functions comprise an interface between Citadel Server and a database backend.
 
 #ifndef DATABASE_H
 #define DATABASE_H
 
-
-void open_databases (void);
-void close_databases (void);
-int cdb_store (int cdb, const void *key, int keylen, void *data, int datalen);
-int cdb_delete (int cdb, void *key, int keylen);
-struct cdbdata *cdb_fetch (int cdb, const void *key, int keylen);
-void cdb_free (struct cdbdata *cdb);
-void cdb_rewind (int cdb);
-struct cdbdata *cdb_next_item (int cdb);
-void cdb_close_cursor(int cdb);
-void cdb_begin_transaction(void);
-void cdb_end_transaction(void);
-void cdb_allocate_tsd(void);
-void cdb_free_tsd(void);
-void cdb_check_handles(void);
-void cdb_trunc(int cdb);
-void *checkpoint_thread(void *arg);
-void cdb_chmod_data(void);
-void cdb_checkpoint(void);
-void check_handles(void *arg);
-void cdb_cull_logs(void);
-void cdb_compact(void);
-
-
-/*
- * Database records beginning with this magic number are assumed to
- * be compressed.  In the event that a database record actually begins with
- * this magic number, we *must* compress it whether we want to or not,
- * because the fetch function will try to uncompress it anyway.
- * 
- * (No need to #ifdef this stuff; it compiles ok even if zlib is not present
- * and doesn't declare anything so it won't bloat the code)
- */
-#define COMPRESS_MAGIC 0xc0ffeeee
-
-struct CtdlCompressHeader {
-       int magic;
-       size_t uncompressed_len;
-       size_t compressed_len;
-};
-
-int CheckIfAlreadySeen(StrBuf *guid);
-
-#endif /* DATABASE_H */
-
+extern void            cdb_init_backends(void);
+extern void            cdb_chmod_data(void);
+
+extern void            (*cdb_open_databases)(void);
+extern void            (*cdb_close_databases)(void);
+extern int             (*cdb_store)(int, const void *, int, void *, int);
+extern int             (*cdb_delete)(int, void *, int);
+extern struct cdbkeyval        (*cdb_next_item)(int);
+extern void            (*cdb_close_cursor)(int);
+extern void            (*cdb_begin_transaction)(void);
+extern void            (*cdb_end_transaction)(void);
+extern void            (*cdb_check_handles)(void);
+extern void            (*cdb_trunc)(int);
+extern void            (*check_handles)(void *);
+extern struct cdbdata  (*cdb_fetch)(int, const void *, int);
+extern void            (*cdb_checkpoint)(void);
+extern void            (*cdb_compact)(void);
+extern void            (*cdb_rewind)(int);
+extern void            (*cdb_tick)(void);
+
+#endif