Add generic *dbm header file.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@989 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/xdbm.h

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 1995, 1996 Kungliga Tekniska H<>gskolan (Royal Institute
+ * of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ * 
+ * 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 Kungliga Tekniska
+ *      H<>gskolan and its contributors.
+ * 
+ * 4. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
+ */
+
+/* $Id$ */
+
+/* Generic *dbm include file */
+
+#ifndef __XDBM_H__
+#define __XDBM_H__
+
+#ifdef HAVE_NDBM_H
+#include <ndbm.h>
+#elif defined(HAVE_DBM_H)
+#include <dbm.h>
+#elif defined(HAVE_RPCSVC_DBM_H)
+#include <rpcsvc/dbm.h>
+#endif
+
+/* Macros to convert ndbm names to dbm names.
+ * Note that dbm_nextkey() cannot be simply converted using a macro, since
+ * it is invoked giving the database, and nextkey() needs the previous key.
+ *
+ * Instead, all routines call "dbm_next" instead.
+ */
+
+#ifndef NDBM
+typedef char DBM;
+
+#define dbm_open(file, flags, mode) ((dbminit(file) == 0)?"":((char *)0))
+#define dbm_fetch(db, key) fetch(key)
+#define dbm_store(db, key, content, flag) store(key, content)
+#define dbm_delete(db, key) delete(key)
+#define dbm_firstkey(db) firstkey()
+#define dbm_next(db,key) nextkey(key)
+#define dbm_close(db) dbmclose()
+#else
+#define dbm_next(db,key) dbm_nextkey(db)
+#endif
+
+#endif /* __XDBM_H__ */