65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Release any resource associated with given conversion descriptor.
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Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <gconv_int.h>
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int
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internal_function
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__gconv_close (__gconv_t cd)
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{
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struct __gconv_step *srunp;
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struct __gconv_step_data *drunp;
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size_t nsteps;
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/* Free all resources by calling destructor functions and release
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the implementations. */
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srunp = cd->__steps;
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nsteps = cd->__nsteps;
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drunp = cd->__data;
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do
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{
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struct __gconv_trans_data *transp;
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transp = drunp->__trans;
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while (transp != NULL)
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{
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struct __gconv_trans_data *curp = transp;
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transp = transp->__next;
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if (__builtin_expect (curp->__trans_end_fct != NULL, 0))
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curp->__trans_end_fct (curp->__data);
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free (curp);
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}
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if (!(drunp->__flags & __GCONV_IS_LAST) && drunp->__outbuf != NULL)
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free (drunp->__outbuf);
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}
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while (!((drunp++)->__flags & __GCONV_IS_LAST));
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/* Free the data allocated for the descriptor. */
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free (cd);
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/* Close the participating modules. */
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return __gconv_close_transform (srunp, nsteps);
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}
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