X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/e14c720524a332cd6807b27565f62c45b407bfc6..b98e07f449808f5c344df5c92486c2733928384f:/usr/src/include/db.h

diff --git a/usr/src/include/db.h b/usr/src/include/db.h
index 09e5a6ff4b..44c109916e 100644
--- a/usr/src/include/db.h
+++ b/usr/src/include/db.h
@@ -2,14 +2,42 @@
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
  *
- * %sccs.include.redist.c%
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
  *
- *	@(#)db.h	5.4 (Berkeley) %G%
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)db.h	5.10 (Berkeley) 4/2/91
  */
 
 #ifndef _DB_H_
 #define	_DB_H_
 
+#include <sys/cdefs.h>
+
 /* flags for DB.put() call */
 #define	R_IBEFORE	1		/* RECNO */
 #define	R_IAFTER	2		/* RECNO */
@@ -25,19 +53,24 @@
 
 /* key/data structure -- a data-base thang */
 typedef struct {
-	char *data;
+	void *data;
 	int size;
 } DBT;
 
 /* access method description structure */
-typedef struct {
-	char *internal;		/* access method private; really void * */
-	int (*close)();
-	int (*del)();
-	int (*get)();
-	int (*put)();
-	int (*seq)();
-	int (*sync)();
+typedef struct __db {
+	void *internal;		/* access method private */
+#define	DB_BTREE	1
+#define	DB_HASH		2
+#define	DB_RECNO	3
+	int type;		/* type of underlying db */
+	int (*close) __P((const struct __db *));
+	int (*del) __P((const struct __db *, const DBT *, unsigned int));
+	int (*get) __P((const struct __db *, DBT *, DBT *, unsigned int));
+	int (*put) __P((const struct __db *, const DBT *, const DBT *,
+		unsigned int));
+	int (*seq) __P((const struct __db *, DBT *, DBT *, unsigned int));
+	int (*sync) __P((const struct __db *));
 } DB;
 
 #define	BTREEMAGIC	0x053162
@@ -61,7 +94,7 @@ typedef struct {
 	int bsize;		/* bucket size */
 	int ffactor;		/* fill factor */
 	int nelem;		/* number of elements */
-	int ncached;		/* bytes to cache */
+	int cachesize;		/* bytes to cache */
 	int (*hash)();		/* hash function */
 	int lorder;		/* byte order */
 } HASHINFO;
@@ -113,7 +146,6 @@ typedef struct {
 	((char *)&(b))[1] = ((char *)&(a))[0]; \
 }
 
-#include <sys/cdefs.h>
 __BEGIN_DECLS
 DB	*btree_open
 	    __P((const char *, int, int, const BTREEINFO *));