xref: /aosp_15_r20/external/strace/print_msgbuf.c (revision cf84ac9a129d8ea9952db616b4e9b904c4bdde56)

/*
 * Copyright (c) 1993 Ulrich Pegelow <[email protected]>
 * Copyright (c) 1993 Branko Lankester <[email protected]>
 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <[email protected]>
 * Copyright (c) 1996-1999 Wichert Akkerman <[email protected]>
 * Copyright (c) 2003-2006 Roland McGrath <[email protected]>
 * Copyright (c) 2006-2015 Dmitry V. Levin <[email protected]>
 * Copyright (c) 2015-2017 The strace developers.
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#include "defs.h"

#include <sys/msg.h>

#include DEF_MPERS_TYPE(msgbuf_t)
typedef struct msgbuf msgbuf_t;
#include MPERS_DEFS

MPERS_PRINTER_DECL(void, tprint_msgbuf, struct tcb *const tcp,
		   const kernel_ulong_t addr, const kernel_ulong_t count)
{
	msgbuf_t msg;

	if (!umove_or_printaddr(tcp, addr, &msg)) {
		tprintf("{%" PRI_kld ", ", (kernel_long_t) msg.mtype);
		printstrn(tcp, addr + sizeof(msg.mtype), count);
		tprints("}");
	}
	tprintf(", %" PRI_klu ", ", count);
}