1/*
2 * Copyright (c) 1986, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#if defined(LIBC_SCCS) && !defined(lint)
34static char sccsid[] = "@(#)ipx_ntoa.c";
35#endif /* LIBC_SCCS and not lint */
36
37#include <sys/param.h>
38#include <arpa/inet.h>
39#include <netipx/ipx.h>
40#include <stdio.h>
41
42static char *spectHex(char *);
43
44char *
45ipx_ntoa(addr)
46	struct ipx_addr addr;
47{
48	static char obuf[40];
49	union { union ipx_net net_e; u_long long_e; } net;
50	u_short port = htons(addr.x_port);
51	char *cp;
52	char *cp2;
53	u_char *up = addr.x_host.c_host;
54	u_char *uplim = up + 6;
55
56	net.net_e = addr.x_net;
57	sprintf(obuf, "%lx", (u_long)ntohl(net.long_e));
58	cp = spectHex(obuf);
59	cp2 = cp + 1;
60	while (*up==0 && up < uplim) up++;
61	if (up == uplim) {
62		if (port) {
63			sprintf(cp, ".0");
64			cp += 2;
65		}
66	} else {
67		sprintf(cp, ".%x", *up++);
68		while (up < uplim) {
69			while (*cp) cp++;
70			sprintf(cp, "%02x", *up++);
71		}
72		cp = spectHex(cp2);
73	}
74	if (port) {
75		sprintf(cp, ".%x", port);
76		spectHex(cp + 1);
77	}
78	return (obuf);
79}
80
81static char *
82spectHex(p0)
83	char *p0;
84{
85	int ok = 0;
86	int nonzero = 0;
87	char *p = p0;
88	for (; *p; p++) switch (*p) {
89
90	case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
91	case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
92		ok = 1;
93	case '1': case '2': case '3': case '4': case '5':
94	case '6': case '7': case '8': case '9':
95		nonzero = 1;
96	}
97	if (nonzero && !ok) { *p++ = 'H'; *p = 0; }
98	return (p);
99}
100