1/* Release any resource associated with given conversion descriptor.
2 Copyright (C) 1997-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#include <stdlib.h>
21
22#include <gconv_int.h>
23
24
25int
26internal_function
27__gconv_close (__gconv_t cd)
28{
29 struct __gconv_step *srunp;
30 struct __gconv_step_data *drunp;
31 size_t nsteps;
32
33 /* Free all resources by calling destructor functions and release
34 the implementations. */
35 srunp = cd->__steps;
36 nsteps = cd->__nsteps;
37 drunp = cd->__data;
38 do
39 {
40 if (!(drunp->__flags & __GCONV_IS_LAST) && drunp->__outbuf != NULL)
41 free (drunp->__outbuf);
42 }
43 while (!((drunp++)->__flags & __GCONV_IS_LAST));
44
45 /* Free the data allocated for the descriptor. */
46 free (cd);
47
48 /* Close the participating modules. */
49 return __gconv_close_transform (srunp, nsteps);
50}
51