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/* Release any resource associated with given conversion descriptor.
Copyright (C) 1997, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#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
{
/* Call destructor. */
if (srunp->end_fct != NULL)
(*srunp->end_fct) (drunp);
else
if (drunp->data != NULL)
free (drunp->data);
if (!drunp->is_last && drunp->outbuf != NULL)
free (drunp->outbuf);
/* Next step. */
++srunp;
}
while (!(drunp++)->is_last);
/* Save the pointer, we need it below. */
srunp = cd->steps;
/* Free the data allocated for the descriptor. */
free (cd->data);
free (cd);
/* Close the participating modules. */
return __gconv_close_transform (srunp, nsteps);
}
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