| 1 | /* Release any resource associated with given conversion descriptor. |
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| 2 | Copyright (C) 1997-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <stdlib.h> |
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| 20 | |
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| 21 | #include <gconv_int.h> |
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| 22 | |
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| 23 | |
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| 24 | int |
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| 25 | __gconv_close (__gconv_t cd) |
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| 26 | { |
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| 27 | struct __gconv_step *srunp; |
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| 28 | struct __gconv_step_data *drunp; |
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| 29 | size_t nsteps; |
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| 30 | |
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| 31 | /* Free all resources by calling destructor functions and release |
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| 32 | the implementations. */ |
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| 33 | srunp = cd->__steps; |
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| 34 | nsteps = cd->__nsteps; |
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| 35 | drunp = cd->__data; |
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| 36 | do |
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| 37 | { |
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| 38 | if (!(drunp->__flags & __GCONV_IS_LAST) && drunp->__outbuf != NULL) |
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| 39 | free (ptr: drunp->__outbuf); |
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| 40 | } |
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| 41 | while (!((drunp++)->__flags & __GCONV_IS_LAST)); |
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| 42 | |
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| 43 | /* Free the data allocated for the descriptor. */ |
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| 44 | free (ptr: cd); |
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| 45 | |
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| 46 | /* Close the participating modules. */ |
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| 47 | return __gconv_close_transform (steps: srunp, nsteps); |
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| 48 | } |
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| 49 | |
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