2 * $Id: netddp_sendto.c,v 1.7 2005-04-28 20:50:02 bfernhomberg 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 */
19 #endif /* HAVE_UNISTD_H */
20 #include <sys/types.h>
21 #include <sys/socket.h>
26 #include <netat/appletalk.h>
27 #include <netat/ddp.h>
28 #endif /* MACOSX_SERVER */
30 #include <netatalk/at.h>
31 #include <netatalk/endian.h>
32 #include <netatalk/ddp.h>
33 #include <atalk/netddp.h>
36 #define MAX(a, b) ((a) < (b) ? (b) : (a))
40 int netddp_sendto(int fd, void *buf, size_t buflen, unsigned int dummy,
41 const struct sockaddr *addr, unsigned int addrlen)
44 struct ddpehdr ddphdr;
45 const struct sockaddr_at *sat = (const struct sockaddr_at *) addr;
48 iov[0].iov_base = (void *) &ddphdr;
49 iov[0].iov_len = sizeof(ddphdr);
50 iov[1].iov_base = buf;
51 iov[1].iov_len = buflen;
56 memset(&ddphdr, 0, sizeof(ddphdr));
57 ddphdr.deh_len = htons(sizeof(ddphdr) + (u_int16_t) buflen);
58 ddphdr.deh_dnet = sat->sat_addr.s_net;
59 ddphdr.deh_dnode = sat->sat_addr.s_node;
60 ddphdr.deh_dport = sat->sat_port;
61 while ((i = writev(fd, iov, 2)) < 0) {
66 return MAX(0, i - sizeof(ddphdr));
69 #endif /* os x server */