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refuse_compat.c revision 1.1 
      1 /* $NetBSD: refuse_compat.c,v 1.1 2022/01/22 08:02:49 pho Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2021 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote
     16  *    products derived from this software without specific prior written
     17  *    permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     20  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
     25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #if !defined(lint)
     34 __RCSID("$NetBSD: refuse_compat.c,v 1.1 2022/01/22 08:02:49 pho Exp $");
     35 #endif /* !lint */
     36 
     37 #include <fuse_internal.h>
     38 
     39 /*
     40  * Compatibility symbols that had existed in old versions of
     41  * librefuse.
     42  */
     43 
     44 int fuse_daemonize_rev0(struct fuse* fuse) __RENAME(fuse_daemonize);
     45 
     46 /* librefuse once had a function fuse_daemonize() with an incompatible
     47  * prototype with that of FUSE. We keep ABI compatibility with
     48  * executables compiled against old librefuse by having this shim
     49  * function as a symbol "fuse_daemonize". However, we can NOT keep API
     50  * compatibility with old code expecting the wrong prototype. The only
     51  * way to work around the problem is to put "#if FUSE_H_ < 20211204"
     52  * into old user code. pho@ really regrets this mistake... */
     53 __warn_references(
     54     fuse_daemonize,
     55     "warning: reference to compatibility fuse_daemonize();"
     56     " include <fuse.h> for correct reference")
     57 int
     58 fuse_daemonize_rev0(struct fuse* fuse __attribute__((__unused__))) {
     59     return fuse_daemonize(1);
     60 }
     61