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comparison atomicio.c @ 4:fe6bca95afa7

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Makefile.in contains updated files required
author Matt Johnston <matt@ucc.asn.au>
date Tue, 01 Jun 2004 02:46:09 +0000
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children 5c6f9d27ea1c
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-1:000000000000 4:fe6bca95afa7
1 /*
2 * Copied from OpenSSH 3.6.1p2, required for loginrec.c
3 *
4 * Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /* Taken from OpenSSH for use with the loginrec code */
29
30 /* RCSID("$OpenBSD: atomicio.c,v 1.10 2001/05/08 22:48:07 markus Exp $"); */
31
32 #include "atomicio.h"
33
34 /*
35 * ensure all of data on socket comes through. f==read || f==write
36 */
37 ssize_t
38 atomicio(f, fd, _s, n)
39 ssize_t (*f) ();
40 int fd;
41 void *_s;
42 size_t n;
43 {
44 char *s = _s;
45 ssize_t res, pos = 0;
46
47 while (n > pos) {
48 res = (f) (fd, s + pos, n - pos);
49 switch (res) {
50 case -1:
51 #ifdef EWOULDBLOCK
52 if (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)
53 #else
54 if (errno == EINTR || errno == EAGAIN)
55 #endif
56 continue;
57 case 0:
58 return (res);
59 default:
60 pos += res;
61 }
62 }
63 return (pos);
64 }