/* Copyright (C) 2015-2018 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 <nss.h>

#include <string.h>

const char __nss_invalid_field_characters[] = NSS_INVALID_FIELD_CHARACTERS;

/* Check that VALUE is either NULL or a NUL-terminated string which

   does not contain characters not permitted in NSS database

   fields.  */

_Bool

__nss_valid_field (const char *value)

{

  return value == NULL

    || strpbrk (value, __nss_invalid_field_characters) == NULL;

}