mirror of git://sourceware.org/git/glibc.git
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* HOSTALIASES-based name resolution. Public legacy functions.
|
|
Copyright (C) 2017-2023 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));
|
|
}
|