(root)/
glibc-2.38/
iconv/
iconv_close.c
       1  /* Release any resource associated with given conversion descriptor.
       2     Copyright (C) 1997-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <errno.h>
      20  #include <iconv.h>
      21  
      22  #include <gconv_int.h>
      23  
      24  
      25  int
      26  iconv_close (iconv_t cd)
      27  {
      28    if (__glibc_unlikely (cd == (iconv_t *) -1L))
      29      {
      30        __set_errno (EBADF);
      31        return -1;
      32      }
      33  
      34    return __gconv_close ((__gconv_t) cd) ? -1 : 0;
      35  }