1/* Release any resource associated with given conversion descriptor.
2 Copyright (C) 1997-2021 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 <https://www.gnu.org/licenses/>. */
19
20#include <stdlib.h>
21
22#include <gconv_int.h>
23
24
25int
26__gconv_close (__gconv_t cd)
27{
28 struct __gconv_step *srunp;
29 struct __gconv_step_data *drunp;
30 size_t nsteps;
31
32 /* Free all resources by calling destructor functions and release
33 the implementations. */
34 srunp = cd->__steps;
35 nsteps = cd->__nsteps;
36 drunp = cd->__data;
37 do
38 {
39 if (!(drunp->__flags & __GCONV_IS_LAST) && drunp->__outbuf != NULL)
40 free (drunp->__outbuf);
41 }
42 while (!((drunp++)->__flags & __GCONV_IS_LAST));
43
44 /* Free the data allocated for the descriptor. */
45 free (cd);
46
47 /* Close the participating modules. */
48 return __gconv_close_transform (srunp, nsteps);
49}
50