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6973fc01 UD |
1 | /* Release any resource associated with given conversion descriptor. |
2 | Copyright (C) 1997 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 Library General Public License as | |
8 | published by the Free Software Foundation; either version 2 of the | |
9 | 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 | Library General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Library General Public | |
17 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
18 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include <gconv.h> | |
22 | #include <stdlib.h> | |
23 | ||
24 | ||
25 | int | |
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 | /* Call destructor. */ | |
40 | if (srunp->end_fct != NULL) | |
41 | (*srunp->end_fct) (drunp); | |
42 | else | |
f4017d20 UD |
43 | if (drunp->data != NULL) |
44 | free (drunp->data); | |
45 | ||
46 | if (!drunp->is_last && drunp->outbuf != NULL) | |
47 | free (drunp->outbuf); | |
6973fc01 UD |
48 | |
49 | /* Next step. */ | |
50 | ++srunp; | |
6973fc01 | 51 | } |
e34b0f29 | 52 | while (!(drunp++)->is_last); |
6973fc01 UD |
53 | |
54 | /* Save the pointer, we need it below. */ | |
55 | srunp = cd->steps; | |
56 | ||
57 | /* Free the data allocated for the descriptor. */ | |
58 | free (cd->data); | |
59 | free (cd); | |
60 | ||
61 | /* Close the participating modules. */ | |
62 | return __gconv_close_transform (srunp, nsteps); | |
63 | } |