vm: fix potential null deref
[minix.git] / sys / lib / libsa / iodesc.h
blob884651e9c17671021e3af2daa54772d14a82bc1b
1 /* $NetBSD: iodesc.h,v 1.9 2009/01/17 14:00:36 tsutsui Exp $ */
3 /*
4 * Copyright (c) 1993 Adam Glass
5 * Copyright (c) 1992 Regents of the University of California.
6 * All rights reserved.
8 * This software was developed by the Computer Systems Engineering group
9 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10 * contributed to Berkeley.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Lawrence Berkeley Laboratory and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
41 #ifndef __SYS_LIBNETBOOT_IODESC_H
42 #define __SYS_LIBNETBOOT_IODESC_H
44 #ifdef _STANDALONE
46 * libsa code uses the following types to avoid 64 bit time_t:
48 * satime_t:
49 * numbers in seconds returned by the machine dependent getsecs() function
50 * which are used to measure relative time
52 * saseconds_t:
53 * numbers in seconds used to specify timeout to network drivers
56 typedef unsigned int satime_t;
57 typedef int saseconds_t;
58 #else
59 typedef time_t satime_t;
60 typedef time_t saseconds_t;
61 #endif
63 struct iodesc {
64 struct in_addr destip; /* dest. ip addr, net order */
65 struct in_addr myip; /* local ip addr, net order */
66 u_short destport; /* dest. port, net order */
67 u_short myport; /* local port, net order */
68 u_long xid; /* transaction identification */
69 u_char myea[6]; /* my ethernet address */
70 void *io_netif;
73 struct iodesc *socktodesc(int);
74 ssize_t netif_get(struct iodesc *, void *, size_t, saseconds_t);
75 ssize_t netif_put(struct iodesc *, void *, size_t);
77 #endif /* __SYS_LIBNETBOOT_IODESC_H */