ipx_ntoa.c revision 37304 
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 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#if defined(LIBC_SCCS) && !defined(lint)
35static char sccsid[] = "@(#)ipx_ntoa.c";
36#endif /* LIBC_SCCS and not lint */
37
38#include <sys/param.h>
39#include <netipx/ipx.h>
40#include <stdio.h>
41
42char *
43ipx_ntoa(addr)
44	struct ipx_addr addr;
45{
46	static char obuf[40];
47	union { union ipx_net net_e; u_long long_e; } net;
48	u_short port = htons(addr.x_port);
49	register char *cp;
50	char *cp2;
51	register u_char *up = addr.x_host.c_host;
52	u_char *uplim = up + 6;
53	static char *spectHex();
54
55	net.net_e = addr.x_net;
56	sprintf(obuf, "%lx", (u_long)ntohl(net.long_e));
57	cp = spectHex(obuf);
58	cp2 = cp + 1;
59	while (*up==0 && up < uplim) up++;
60	if (up == uplim) {
61		if (port) {
62			sprintf(cp, ".0");
63			cp += 2;
64		}
65	} else {
66		sprintf(cp, ".%x", *up++);
67		while (up < uplim) {
68			while (*cp) cp++;
69			sprintf(cp, "%02x", *up++);
70		}
71		cp = spectHex(cp2);
72	}
73	if (port) {
74		sprintf(cp, ".%x", port);
75		spectHex(cp + 1);
76	}
77	return (obuf);
78}
79
80static char *
81spectHex(p0)
82	char *p0;
83{
84	int ok = 0;
85	int nonzero = 0;
86	register char *p = p0;
87	for (; *p; p++) switch (*p) {
88
89	case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
90	case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
91		ok = 1;
92	case '1': case '2': case '3': case '4': case '5':
93	case '6': case '7': case '8': case '9':
94		nonzero = 1;
95	}
96	if (nonzero && !ok) { *p++ = 'H'; *p = 0; }
97	return (p);
98}
99