iconv_close.c

用于嵌入式Linux系统的标准C的库函数

/* Release any resource associated with given conversion descriptor.
   Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <[e-mail]>, 1997.

   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <iconv.h>

#include <gconv_int.h>


int
iconv_close (iconv_t cd)
{
  if (__builtin_expect (cd == (iconv_t *) -1L, 0))
    {
      __set_errno (EBADF);
      return -1;
    }

  return __gconv_close ((__gconv_t) cd) ? -1 : 0;
}