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- /*
- * $Id: build_igmp.c,v 1.1.1.1 1999/05/18 15:33:42 dugsong Exp $
- *
- * libnet
- * build_igmp.c - IGMP packet assembler
- *
- * Copyright (c) 1998, 1999 Mike D. Schiffman <mike@infonexus.com>
- * route|daemon9 <route@infonexus.com>
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
- *
- */
-
- #if (HAVE_CONFIG_H)
- #include "../include/config.h"
- #endif
- #include "../include/libnet.h"
-
- void
- build_igmp(u_char type, u_char code, u_long ip, u_char *buf)
- {
- struct libnet_igmp_hdr igmp_hdr;
-
- assert(buf);
-
- igmp_hdr.igmp_type = type; /* packet type */
- igmp_hdr.igmp_code = code; /* packet code */
- igmp_hdr.igmp_group.s_addr = ip; /* group address or 0 */
- memcpy(buf, &igmp_hdr, sizeof(igmp_hdr));
- }
-
- /* EOF */
-