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/* Copyright (C) 1991, 1996, 1997, 2000 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 Library General Public License as

   published by the Free Software Foundation; either version 2 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

   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public

   License along with the GNU C Library; see the file COPYING.LIB.  If not,

   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,

   Boston, MA 02111-1307, USA.  */

#include <stddef.h>

#include <errno.h>

#include <unistd.h>

#include <string.h>

#define CS_PATH "/bin:/usr/bin"

/* If BUF is not NULL and LEN > 0, fill in at most LEN - 1 bytes

   of BUF with the value corresponding to NAME and zero-terminate BUF.

   Return the number of bytes required to hold NAME's entire value.  */

size_t confstr ( int name, char *buf, size_t len)

{

  const char *string;

  size_t string_len;

  switch (name)

    {

    case _CS_PATH:

      {

        static const char cs_path[] = CS_PATH;

        string = cs_path;

        string_len = sizeof (cs_path);

      }

      break;

    default:

      __set_errno (EINVAL);

      return 0;

    }

  if (len > 0 && buf != NULL)

    {

      if (string_len <= len)

        memcpy (buf, string, string_len);

      else

        {

          memcpy (buf, string, len - 1);

          buf[len - 1] = '\0';

        }

    }

  return string_len;

}