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/* Release any resource associated with given conversion descriptor.
Copyright (C) 1997-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include <gconv_int.h>
int
internal_function
__gconv_close (__gconv_t cd)
{
struct __gconv_step *srunp;
struct __gconv_step_data *drunp;
size_t nsteps;
/* Free all resources by calling destructor functions and release
the implementations. */
srunp = cd->__steps;
nsteps = cd->__nsteps;
drunp = cd->__data;
do
{
struct __gconv_trans_data *transp;
transp = drunp->__trans;
while (transp != NULL)
{
struct __gconv_trans_data *curp = transp;
transp = transp->__next;
if (__builtin_expect (curp->__trans_end_fct != NULL, 0))
curp->__trans_end_fct (curp->__data);
free (curp);
}
if (!(drunp->__flags & __GCONV_IS_LAST) && drunp->__outbuf != NULL)
free (drunp->__outbuf);
}
while (!((drunp++)->__flags & __GCONV_IS_LAST));
/* Free the data allocated for the descriptor. */
free (cd);
/* Close the participating modules. */
return __gconv_close_transform (srunp, nsteps);
}
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