2 * Copyright (c) 1999 Adrian Sun (asun@zoology.washington.edu)
3 * Copyright (c) 1990,1991 Regents of The University of Michigan.
4 * All Rights Reserved. See COPYRIGHT.
13 static int _netddp_recvfrom_dummy;
17 #include <sys/types.h>
18 #include <sys/socket.h>
23 #include <at/appletalk.h>
27 #include <netatalk/at.h>
28 #include <netatalk/endian.h>
29 #include <netatalk/ddp.h>
30 #include <atalk/netddp.h>
33 #define MAX(a, b) ((a) < (b) ? (b) : (a))
37 int netddp_recvfrom(int fd, void *buf, int buflen, unsigned int dummy,
38 struct sockaddr *addr, unsigned int *addrlen)
41 struct ddpehdr ddphdr;
42 struct sockaddr_at *sat = (struct sockaddr_at *) addr;
45 iov[0].iov_base = (void *) &ddphdr;
46 iov[0].iov_len = sizeof(ddphdr);
47 iov[1].iov_base = buf;
48 iov[1].iov_len = buflen;
50 while ((i = readv(fd, iov, 2)) < 0) {
56 sat->sat_addr.s_net = ddphdr.deh_snet;
57 sat->sat_addr.s_node = ddphdr.deh_snode;
58 sat->sat_port = ddphdr.deh_sport;
61 return MAX(0, i - sizeof(ddphdr));
64 #endif /* os x server */