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resolv/res_hostalias.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* HOSTALIASES-based name resolution. Public legacy functions. Copyright (C) 2017-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <netdb.h> #include <resolv-internal.h> #include <resolv_context.h> /* Common part of res_hostalias and hostalias. */ static const char * context_hostalias_common (struct resolv_context *ctx, const char *name, char *dst, size_t siz) { if (ctx == NULL) { RES_SET_H_ERRNO (&_res, NETDB_INTERNAL); return NULL; } const char *result = __res_context_hostalias (ctx, name, dst, siz); __resolv_context_put (ctx); return result; } const char * res_hostalias (res_state statp, const char *name, char *dst, size_t siz) { return context_hostalias_common (__resolv_context_get_override (statp), name, dst, siz); } const char * hostalias (const char *name) { static char abuf[MAXDNAME]; return context_hostalias_common (__resolv_context_get (), name, abuf, sizeof (abuf)); }