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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
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children f9db7cb0692e
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1 //==========================================================================
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2 //
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3 // lib/getproto.c
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4 //
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5 // getprotobyname(), getprotobynumber()
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6 //
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7 //==========================================================================
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8 //####BSDCOPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 //
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12 // Portions of this software may have been derived from OpenBSD or other sources,
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13 // and are covered by the appropriate copyright disclaimers included herein.
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14 //
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15 // -------------------------------------------
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16 //
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17 //####BSDCOPYRIGHTEND####
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18 //==========================================================================
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19 //#####DESCRIPTIONBEGIN####
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20 //
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21 // Author(s): gthomas
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22 // Contributors: gthomas
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23 // Date: 2000-01-10
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24 // Purpose:
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25 // Description:
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26 //
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27 //
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28 //####DESCRIPTIONEND####
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29 //
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30 //==========================================================================
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31
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32 #include <sys/param.h>
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33 #include <netdb.h>
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34
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35 static struct protoent protocols[] = {
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36 { "ip", 0}, // internet protocol, pseudo protocol number
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37 { "icmp", 1}, // internet control message protocol
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38 { "igmp", 2}, // Internet Group Management
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39 { "ggp", 3}, // gateway-gateway protocol
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40 { "ipencap", 4}, // IP encapsulated in IP (officially ``IP'')
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41 { "st", 5}, // ST datagram mode
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42 { "tcp", 6}, // transmission control protocol
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43 { "egp", 8}, // exterior gateway protocol
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44 { "pup", 12}, // PARC universal packet protocol
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45 { "udp", 17}, // user datagram protocol
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46 { "hmp", 20}, // host monitoring protocol
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47 { "xns-idp", 22}, // Xerox NS IDP
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48 { "rdp", 27}, // "reliable datagram" protocol
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49 { "iso-tp4", 29}, // ISO Transport Protocol class 4
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50 { "xtp", 36}, // Xpress Tranfer Protocol
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51 { "ddp", 37}, // Datagram Delivery Protocol
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52 { "idpr-cmtp", 39}, // IDPR Control Message Transport
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53 { "rspf", 73}, //Radio Shortest Path First.
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54 { "vmtp", 81}, // Versatile Message Transport
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55 { "ospf", 89}, // Open Shortest Path First IGP
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56 { "ipip", 94}, // Yet Another IP encapsulation
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57 { "encap", 98}, // Yet Another IP encapsulation
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58 { 0, 0}
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59 };
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60
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61 struct protoent *
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62 getprotobyname(const char *name)
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63 {
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64 struct protoent *p = protocols;
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65 while (p->p_name) {
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66 if (strcmp(name, p->p_name) == 0) {
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67 return p;
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68 }
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69 p++;
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70 }
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71 errno = ENOENT;
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72 return (struct protoent *)0;
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73 }
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74
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75 struct protoent *
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76 getprotobynumber(const int num)
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77 {
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78 struct protoent *p = protocols;
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79 while (p->p_name) {
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80 if (p->p_proto == num) {
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81 return p;
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82 }
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83 p++;
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84 }
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85 errno = ENOENT;
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86 return (struct protoent *)0;
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87 }