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glibc  2.9
iconv_close.c
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00001 /* Release any resource associated with given conversion descriptor.
00002    Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 #include <errno.h>
00022 #include <iconv.h>
00023 
00024 #include <gconv_int.h>
00025 
00026 
00027 int
00028 iconv_close (iconv_t cd)
00029 {
00030   if (__builtin_expect (cd == (iconv_t *) -1L, 0))
00031     {
00032       __set_errno (EBADF);
00033       return -1;
00034     }
00035 
00036   return __gconv_close ((__gconv_t) cd) ? -1 : 0;
00037 }