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66ac4268f4
These deprecated symbols continue to be exported from libresolv. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* HOSTALIASES-based name resolution. Public legacy functions.
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Copyright (C) 2017-2021 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 <netdb.h>
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#include <resolv-internal.h>
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#include <resolv_context.h>
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/* Common part of res_hostalias and hostalias. */
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static const char *
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context_hostalias_common (struct resolv_context *ctx,
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const char *name, char *dst, size_t siz)
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{
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if (ctx == NULL)
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{
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RES_SET_H_ERRNO (&_res, NETDB_INTERNAL);
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return NULL;
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}
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const char *result = __res_context_hostalias (ctx, name, dst, siz);
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__resolv_context_put (ctx);
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return result;
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}
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const char *
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res_hostalias (res_state statp, const char *name, char *dst, size_t siz)
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{
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return context_hostalias_common
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(__resolv_context_get_override (statp), name, dst, siz);
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}
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const char *
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hostalias (const char *name)
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{
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static char abuf[MAXDNAME];
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return context_hostalias_common
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(__resolv_context_get (), name, abuf, sizeof (abuf));
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}
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