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annotate packages/net/common/current/src/getproto.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 // ####BSDALTCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // Portions of this software may have been derived from FreeBSD, OpenBSD,
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11 // or other sources, and if so are covered by the appropriate copyright
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12 // and license included herein.
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13 // -------------------------------------------
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14 // ####BSDALTCOPYRIGHTEND####
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15 //==========================================================================
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16 //#####DESCRIPTIONBEGIN####
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17 //
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18 // Author(s): gthomas
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19 // Contributors: gthomas, andrew.lunn@ascom.ch
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20 // Date: 2000-01-10
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21 // Purpose:
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22 // Description:
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23 //
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24 //
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25 //####DESCRIPTIONEND####
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26 //
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27 //==========================================================================
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28
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29 #include <sys/param.h>
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30 #include <netdb.h>
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31 #include <errno.h>
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32
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33 static struct protoent protocols[] = {
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34 { "ip", 0}, // internet protocol, pseudo protocol number
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35 { "icmp", 1}, // internet control message protocol
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36 { "igmp", 2}, // Internet Group Management
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37 { "ggp", 3}, // gateway-gateway protocol
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38 { "ipencap", 4}, // IP encapsulated in IP (officially ``IP'')
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39 { "st", 5}, // ST datagram mode
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40 { "tcp", 6}, // transmission control protocol
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41 { "egp", 8}, // exterior gateway protocol
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42 { "pup", 12}, // PARC universal packet protocol
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43 { "udp", 17}, // user datagram protocol
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44 { "hmp", 20}, // host monitoring protocol
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45 { "xns-idp", 22}, // Xerox NS IDP
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46 { "rdp", 27}, // "reliable datagram" protocol
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47 { "iso-tp4", 29}, // ISO Transport Protocol class 4
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48 { "xtp", 36}, // Xpress Tranfer Protocol
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49 { "ddp", 37}, // Datagram Delivery Protocol
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50 { "idpr-cmtp", 39}, // IDPR Control Message Transport
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51 { "ipv6-icmp", 58}, // ICMP for IPv6
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52 { "rspf", 73}, // Radio Shortest Path First.
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53 { "vmtp", 81}, // Versatile Message Transport
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54 { "ospf", 89}, // Open Shortest Path First IGP
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55 { "ipip", 94}, // Yet Another IP encapsulation
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56 { "encap", 98}, // Yet Another IP encapsulation
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57 { 0, 0}
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58 };
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59
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60 struct protoent *
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61 getprotobyname(const char *name)
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62 {
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63 struct protoent *p = protocols;
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64 while (p->p_name) {
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65 if (strcmp(name, p->p_name) == 0) {
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66 return p;
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67 }
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68 p++;
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69 }
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70 errno = ENOENT;
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71 return (struct protoent *)0;
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72 }
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73
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74 struct protoent *
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75 getprotobynumber(const int num)
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76 {
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77 struct protoent *p = protocols;
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78 while (p->p_name) {
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79 if (p->p_proto == num) {
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80 return p;
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81 }
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82 p++;
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83 }
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84 errno = ENOENT;
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85 return (struct protoent *)0;
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86 }