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40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* Name server address at specified index in res_state.
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Copyright (C) 2015-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include <resolv.h>
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#include <resolv-internal.h>
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struct sockaddr *
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__res_get_nsaddr (res_state statp, unsigned int n)
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{
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assert (n < statp->nscount);
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if (statp->nsaddr_list[n].sin_family == 0
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&& statp->_u._ext.nsaddrs[n] != NULL)
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/* statp->_u._ext.nsaddrs[n] holds an address that is larger than
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struct sockaddr, and user code did not update
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statp->nsaddr_list[n]. */
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return (struct sockaddr *) statp->_u._ext.nsaddrs[n];
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else
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/* User code updated statp->nsaddr_list[n], or statp->nsaddr_list[n]
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has the same content as statp->_u._ext.nsaddrs[n]. */
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return (struct sockaddr *) (void *) &statp->nsaddr_list[n];
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}
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libc_hidden_def (__res_get_nsaddr)
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