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 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
