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

/*
 * Copyright (c) 1991, 1992 Paul Kranenburg <[email protected]>
 * Copyright (c) 1993 Branko Lankester <[email protected]>
 * Copyright (c) 1993-1996 Rick Sladkey <[email protected]>
 * Copyright (c) 1996-1999 Wichert Akkerman <[email protected]>
 * Copyright (c) 2006 Ulrich Drepper <[email protected]>
 * Copyright (c) 2006 Bernhard Kaindl <[email protected]>
 * Copyright (c) 2006-2015 Dmitry V. Levin <[email protected]>
 * 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 <fcntl.h>

#include "xlat/at_flags.h"

SYS_FUNC(link)
{
	printpath(tcp, tcp->u_arg[0]);
	tprints(", ");
	printpath(tcp, tcp->u_arg[1]);

	return RVAL_DECODED;
}

SYS_FUNC(linkat)
{
	print_dirfd(tcp, tcp->u_arg[0]);
	printpath(tcp, tcp->u_arg[1]);
	tprints(", ");
	print_dirfd(tcp, tcp->u_arg[2]);
	printpath(tcp, tcp->u_arg[3]);
	tprints(", ");
	printflags(at_flags, tcp->u_arg[4], "AT_???");

	return RVAL_DECODED;
}

SYS_FUNC(unlinkat)
{
	print_dirfd(tcp, tcp->u_arg[0]);
	printpath(tcp, tcp->u_arg[1]);
	tprints(", ");
	printflags(at_flags, tcp->u_arg[2], "AT_???");

	return RVAL_DECODED;
}

SYS_FUNC(symlinkat)
{
	printpath(tcp, tcp->u_arg[0]);
	tprints(", ");
	print_dirfd(tcp, tcp->u_arg[1]);
	printpath(tcp, tcp->u_arg[2]);

	return RVAL_DECODED;
}