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