1 | /* |
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2 | * Copyright (c) 1983, 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 defined(LIBC_SCCS) && !defined(lint) |
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35 | static char sccsid[] = "@(#)getservbyname.c 8.1 (Berkeley) 6/4/93"; |
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36 | #endif /* LIBC_SCCS and not lint */ |
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37 | |
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38 | #include <netdb.h> |
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39 | #include <string.h> |
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40 | |
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41 | extern int _serv_stayopen; |
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42 | |
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43 | struct servent * |
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44 | getservbyname(name, proto) |
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45 | const char *name, *proto; |
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46 | { |
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47 | register struct servent *p; |
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48 | register char **cp; |
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49 | |
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50 | #ifdef YP |
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51 | extern char *___getservbyname_yp; |
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52 | extern char *___getservbyproto_yp; |
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53 | |
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54 | ___getservbyname_yp = (char *)name; |
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55 | ___getservbyproto_yp = (char *)proto; |
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56 | #endif |
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57 | |
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58 | setservent(_serv_stayopen); |
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59 | while ( (p = getservent()) ) { |
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60 | if (strcmp(name, p->s_name) == 0) |
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61 | goto gotname; |
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62 | for (cp = p->s_aliases; *cp; cp++) |
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63 | if (strcmp(name, *cp) == 0) |
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64 | goto gotname; |
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65 | continue; |
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66 | gotname: |
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67 | if (proto == 0 || strcmp(p->s_proto, proto) == 0) |
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68 | break; |
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69 | } |
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70 | if (!_serv_stayopen) |
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71 | endservent(); |
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72 | |
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73 | #ifdef YP |
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74 | ___getservbyname_yp = NULL; |
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75 | ___getservbyproto_yp = NULL; |
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76 | #endif |
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77 | |
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78 | return (p); |
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79 | } |
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