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