2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * Copyright (c) 2006 Ulrich Drepper <drepper@redhat.com>
7 * Copyright (c) 2006 Bernhard Kaindl <bk@suse.de>
8 * Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org>
9 * Copyright (c) 2014-2019 The strace developers.
10 * All rights reserved.
12 * SPDX-License-Identifier: LGPL-2.1-or-later
18 decode_readlink(struct tcb *tcp, int offset)
21 printpath(tcp, tcp->u_arg[offset]);
25 printaddr(tcp->u_arg[offset + 1]);
27 /* Used to use printpathn(), but readlink
28 * neither includes NUL in the returned count,
29 * nor actually writes it into memory.
30 * printpathn() would decide on printing
31 * "..." continuation based on garbage
32 * past return buffer's end.
34 printstrn(tcp, tcp->u_arg[offset + 1], tcp->u_rval);
35 tprintf(", %" PRI_klu, tcp->u_arg[offset + 2]);
42 return decode_readlink(tcp, 0);
48 print_dirfd(tcp, tcp->u_arg[0]);
51 return decode_readlink(tcp, 1);