GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/dhcpd/print.c Lines: 0 12 0.0 %
Date: 2017-11-13 Branches: 0 8 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: print.c,v 1.11 2016/02/06 23:50:10 krw Exp $ */
2
3
/* Turn data structures into printable text. */
4
5
/*
6
 * Copyright (c) 1995, 1996, 1997, 1998 The Internet Software Consortium.
7
 * All rights reserved.
8
 *
9
 * Redistribution and use in source and binary forms, with or without
10
 * modification, are permitted provided that the following conditions
11
 * are met:
12
 *
13
 * 1. Redistributions of source code must retain the above copyright
14
 *    notice, this list of conditions and the following disclaimer.
15
 * 2. Redistributions in binary form must reproduce the above copyright
16
 *    notice, this list of conditions and the following disclaimer in the
17
 *    documentation and/or other materials provided with the distribution.
18
 * 3. Neither the name of The Internet Software Consortium nor the names
19
 *    of its contributors may be used to endorse or promote products derived
20
 *    from this software without specific prior written permission.
21
 *
22
 * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
23
 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
24
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26
 * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
27
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
30
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
33
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34
 * SUCH DAMAGE.
35
 *
36
 * This software has been written for the Internet Software Consortium
37
 * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
38
 * Enterprises.  To learn more about the Internet Software Consortium,
39
 * see ``http://www.vix.com/isc''.  To learn more about Vixie
40
 * Enterprises, see ``http://www.vix.com''.
41
 */
42
43
#include <sys/types.h>
44
#include <sys/socket.h>
45
46
#include <net/if.h>
47
48
#include <netinet/in.h>
49
50
#include <stdio.h>
51
#include <string.h>
52
53
#include "dhcp.h"
54
#include "tree.h"
55
#include "dhcpd.h"
56
57
char *
58
print_hw_addr(int htype, int hlen, unsigned char *data)
59
{
60
	static char	habuf[49];
61
	int		i, j, slen = sizeof(habuf);
62
	char		*s = habuf;
63
64
	if (htype == 0 || hlen == 0) {
65
bad:
66
		strlcpy(habuf, "<null>", sizeof habuf);
67
		return habuf;
68
	}
69
70
	for (i = 0; i < hlen; i++) {
71
		j = snprintf(s, slen, "%02x", data[i]);
72
		if (j <= 0 || j >= slen)
73
			goto bad;
74
		j = strlen(s);
75
		s += j;
76
		slen -= (j + 1);
77
		*s++ = ':';
78
	}
79
	*--s = '\0';
80
	return habuf;
81
}