/* Compatibility stubs of accidentally exported __nss_*_lookup functions.

   Copyright (C) 2017-2018 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

   <http://www.gnu.org/licenses/>.  */

#include <nsswitch.h>

#include <shlib-compat.h>

#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_27)

# include <errno.h>

/* On i386, the function calling convention changed from the standard

   ABI calling convention to three register parameters in glibc 2.8.

   The following error-returning stub happens to be compatible with

   glibc 2.7 and earlier and glibc 2.8 and later, even on i386.  */

int

attribute_compat_text_section

__nss_passwd_lookup (service_user **ni, const char *fct_name, void **fctp)

{

  __set_errno (ENOSYS);

  return -1;

}

compat_symbol (libc, __nss_passwd_lookup, __nss_passwd_lookup, GLIBC_2_0);

strong_alias (__nss_passwd_lookup, __nss_group_lookup)

compat_symbol (libc, __nss_group_lookup, __nss_group_lookup, GLIBC_2_0);

strong_alias (__nss_passwd_lookup, __nss_hosts_lookup)

compat_symbol (libc, __nss_hosts_lookup, __nss_hosts_lookup, GLIBC_2_0);

#endif /* SHLIB_COMPAT */

#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_30)

/* These functions were exported under a non-GLIBC_PRIVATE version,

   even though it is not usable externally due to the service_user

   type dependency.  */

int

attribute_compat_text_section

__nss_next (service_user **ni, const char *fct_name, void **fctp, int status,

            int all_values)

{

  return -1;

}

compat_symbol (libc, __nss_next, __nss_next, GLIBC_2_0);

int

attribute_compat_text_section

__nss_database_lookup (const char *database, const char *alternate_name,

                       const char *defconfig, service_user **ni)

{

  *ni = NULL;

  return -1;

}

compat_symbol (libc, __nss_database_lookup, __nss_database_lookup, GLIBC_2_0);

#endif /* SHLIB_COMPAT */