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1 /*
2  * Copyright (c) 1993 Ulrich Pegelow <pegelow@moorea.uni-muenster.de>
3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6  * Copyright (c) 2003-2006 Roland McGrath <roland@redhat.com>
7  * Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org>
8  * Copyright (c) 2015-2017 The strace developers.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include "defs.h"
35 
36 #include <sys/msg.h>
37 
38 #include DEF_MPERS_TYPE(msgbuf_t)
39 typedef struct msgbuf msgbuf_t;
40 #include MPERS_DEFS
41 
MPERS_PRINTER_DECL(void,tprint_msgbuf,struct tcb * const tcp,const kernel_ulong_t addr,const kernel_ulong_t count)42 MPERS_PRINTER_DECL(void, tprint_msgbuf, struct tcb *const tcp,
43 		   const kernel_ulong_t addr, const kernel_ulong_t count)
44 {
45 	msgbuf_t msg;
46 
47 	if (!umove_or_printaddr(tcp, addr, &msg)) {
48 		tprintf("{%" PRI_kld ", ", (kernel_long_t) msg.mtype);
49 		printstrn(tcp, addr + sizeof(msg.mtype), count);
50 		tprints("}");
51 	}
52 	tprintf(", %" PRI_klu ", ", count);
53 }
54