37b1b5bbcd
The res_init.c changes bring us a bit closer to upstream too, though there's still work to be done there. Some of the remaining differences look like bugs we'd want to fix, so we should definitely try to come back to that. Change-Id: I50baa148e967c90d55d711e9904ad54c7d724d4d
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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* 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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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* 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 <sys/cdefs.h>
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#include <netdb.h>
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#include "servent.h"
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struct servent *
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getservbyport(int port, const char *proto)
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{
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res_static rs = __res_get_static();
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if (rs == NULL || proto == NULL) {
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errno = EINVAL;
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return NULL;
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}
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rs->servent_ptr = NULL;
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while (1) {
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struct servent* s = getservent_r(rs);
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if (s == NULL)
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break;
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if ( s->s_port == port && !strcmp( s->s_proto, proto ) )
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return s;
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}
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return NULL;
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}
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