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
MPERS_PRINTER_DECL(void,print_group_req,struct tcb * const tcp,const kernel_ulong_t addr,const int len)44 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 if (len < (int) sizeof(greq)) {
50 printaddr(addr);
51 } else if (!umove_or_printaddr(tcp, addr, &greq)) {
52 PRINT_FIELD_IFINDEX("{", greq, gr_interface);
53 PRINT_FIELD_SOCKADDR(", ", greq, gr_group);
54 tprints("}");
55 }
56 }
57
58 #endif /* MCAST_JOIN_GROUP */
59