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/* $OpenBSD: getservbyname.c,v 1.11 2015/09/14 07:38:38 guenther Exp $ */ |
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/* |
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* Copyright (c) 1983, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <netdb.h> |
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#include <stdio.h> |
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#include <string.h> |
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int |
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getservbyname_r(const char *name, const char *proto, struct servent *se, |
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struct servent_data *sd) |
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{ |
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char **cp; |
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int error; |
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setservent_r(sd->stayopen, sd); |
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while ((error = getservent_r(se, sd)) == 0) { |
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if (strcmp(name, se->s_name) == 0) |
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goto gotname; |
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for (cp = se->s_aliases; *cp; cp++) |
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if (strcmp(name, *cp) == 0) |
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goto gotname; |
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continue; |
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gotname: |
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if (proto == 0 || strcmp(se->s_proto, proto) == 0) |
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break; |
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} |
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if (!sd->stayopen && sd->fp != NULL) { |
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fclose(sd->fp); |
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sd->fp = NULL; |
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} |
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return (error); |
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} |
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DEF_WEAK(getservbyname_r); |
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struct servent * |
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getservbyname(const char *name, const char *proto) |
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{ |
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extern struct servent_data _servent_data; |
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static struct servent serv; |
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if (getservbyname_r(name, proto, &serv, &_servent_data) != 0) |
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return (NULL); |
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return (&serv); |
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} |
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DEF_WEAK(getservbyname); |