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6973fc01 | 1 | /* Release any resource associated with given conversion descriptor. |
d4697bc9 | 2 | Copyright (C) 1997-2014 Free Software Foundation, Inc. |
6973fc01 UD |
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 | |
41bdb6e2 AJ |
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. | |
6973fc01 UD |
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 | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
6973fc01 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
6973fc01 | 19 | |
6973fc01 UD |
20 | #include <stdlib.h> |
21 | ||
e62c19f1 UD |
22 | #include <gconv_int.h> |
23 | ||
6973fc01 UD |
24 | |
25 | int | |
e62c19f1 | 26 | internal_function |
d64b6ad0 | 27 | __gconv_close (__gconv_t cd) |
6973fc01 | 28 | { |
d64b6ad0 UD |
29 | struct __gconv_step *srunp; |
30 | struct __gconv_step_data *drunp; | |
6973fc01 UD |
31 | size_t nsteps; |
32 | ||
33 | /* Free all resources by calling destructor functions and release | |
34 | the implementations. */ | |
d64b6ad0 UD |
35 | srunp = cd->__steps; |
36 | nsteps = cd->__nsteps; | |
37 | drunp = cd->__data; | |
6973fc01 UD |
38 | do |
39 | { | |
d6204268 UD |
40 | struct __gconv_trans_data *transp; |
41 | ||
42 | transp = drunp->__trans; | |
43 | while (transp != NULL) | |
44 | { | |
45 | struct __gconv_trans_data *curp = transp; | |
46 | transp = transp->__next; | |
47 | ||
a1ffb40e | 48 | if (__glibc_unlikely (curp->__trans_end_fct != NULL)) |
d6204268 UD |
49 | curp->__trans_end_fct (curp->__data); |
50 | ||
51 | free (curp); | |
52 | } | |
53 | ||
85830c4c | 54 | if (!(drunp->__flags & __GCONV_IS_LAST) && drunp->__outbuf != NULL) |
d64b6ad0 | 55 | free (drunp->__outbuf); |
6973fc01 | 56 | } |
85830c4c | 57 | while (!((drunp++)->__flags & __GCONV_IS_LAST)); |
6973fc01 | 58 | |
6973fc01 | 59 | /* Free the data allocated for the descriptor. */ |
6973fc01 UD |
60 | free (cd); |
61 | ||
62 | /* Close the participating modules. */ | |
63 | return __gconv_close_transform (srunp, nsteps); | |
64 | } |