Branch data Line data Source code
1 : : /*
2 : : * Copyright (c) 2015-2017 The strace developers.
3 : : * All rights reserved.
4 : : *
5 : : * Redistribution and use in source and binary forms, with or without
6 : : * modification, are permitted provided that the following conditions
7 : : * are met:
8 : : * 1. Redistributions of source code must retain the above copyright
9 : : * notice, this list of conditions and the following disclaimer.
10 : : * 2. Redistributions in binary form must reproduce the above copyright
11 : : * notice, this list of conditions and the following disclaimer in the
12 : : * documentation and/or other materials provided with the distribution.
13 : : * 3. The name of the author may not be used to endorse or promote products
14 : : * derived from this software without specific prior written permission.
15 : : *
16 : : * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 : : * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 : : * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 : : * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 : : * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 : : * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 : : * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 : : * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 : : * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 : : * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 : : */
27 : :
28 : : #include "defs.h"
29 : : #include <netinet/in.h>
30 : :
31 : : #ifdef MCAST_JOIN_GROUP
32 : :
33 : : # include DEF_MPERS_TYPE(struct_group_req)
34 : : typedef struct group_req struct_group_req;
35 : :
36 : : #endif /* MCAST_JOIN_GROUP */
37 : :
38 : : #include MPERS_DEFS
39 : :
40 : : #ifdef MCAST_JOIN_GROUP
41 : :
42 : : # include "print_fields.h"
43 : :
44 : 40 : MPERS_PRINTER_DECL(void, print_group_req, struct tcb *const tcp,
45 : : const kernel_ulong_t addr, const int len)
46 : : {
47 : : struct_group_req greq;
48 : :
49 [ + + ]: 40 : if (len < (int) sizeof(greq)) {
50 : 16 : printaddr(addr);
51 [ + + ]: 24 : } else if (!umove_or_printaddr(tcp, addr, &greq)) {
52 : 16 : PRINT_FIELD_IFINDEX("{", greq, gr_interface);
53 : 16 : PRINT_FIELD_SOCKADDR(", ", greq, gr_group);
54 : 16 : tprints("}");
55 : : }
56 : 40 : }
57 : :
58 : : #endif /* MCAST_JOIN_GROUP */
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