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: stable/10/lib/libipx/ipx_ntoa.c 165906 2007-01-09 01:02:06Z imp $");
32
33 #if defined(LIBC_SCCS) && !defined(lint)
34 static 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
42 static char *spectHex(char *);
43
44 char *
ipx_ntoa(addr)45 ipx_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
81 static char *
spectHex(p0)82 spectHex(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