2 * $Id: netddp_sendto.c,v 1.4 2001-11-25 21:55:10 srittau Exp $
4 * Copyright (c) 1999 Adrian Sun (asun@zoology.washington.edu)
5 * Copyright (c) 1990,1991 Regents of The University of Michigan.
6 * All Rights Reserved. See COPYRIGHT.
13 #endif /* HAVE_CONFIG_H */
15 static int _netddp_sendto_dummy;
21 #endif /* HAVE_UNISTD_H */
22 #include <sys/types.h>
23 #include <sys/socket.h>
28 #include <netat/appletalk.h>
29 #include <netat/ddp.h>
30 #endif /* MACOSX_SERVER */
32 #include <netatalk/at.h>
33 #include <netatalk/endian.h>
34 #include <netatalk/ddp.h>
35 #include <atalk/netddp.h>
38 #define MAX(a, b) ((a) < (b) ? (b) : (a))
42 int netddp_sendto(int fd, void *buf, int buflen, unsigned int dummy,
43 const struct sockaddr *addr, unsigned int addrlen)
46 struct ddpehdr ddphdr;
47 const struct sockaddr_at *sat = (const struct sockaddr_at *) addr;
50 iov[0].iov_base = (void *) &ddphdr;
51 iov[0].iov_len = sizeof(ddphdr);
52 iov[1].iov_base = buf;
53 iov[1].iov_len = buflen;
58 memset(&ddphdr, 0, sizeof(ddphdr));
59 ddphdr.deh_len = htons(sizeof(ddphdr) + buflen);
60 ddphdr.deh_dnet = sat->sat_addr.s_net;
61 ddphdr.deh_dnode = sat->sat_addr.s_node;
62 ddphdr.deh_dport = sat->sat_port;
63 while ((i = writev(fd, iov, 2)) < 0) {
68 return MAX(0, i - sizeof(ddphdr));
71 #endif /* os x server */