diff options
Diffstat (limited to 'iconv/gconv_close.c')
-rw-r--r-- | iconv/gconv_close.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/iconv/gconv_close.c b/iconv/gconv_close.c new file mode 100644 index 0000000..d3d023f --- /dev/null +++ b/iconv/gconv_close.c @@ -0,0 +1,64 @@ +/* Release any resource associated with given conversion descriptor. + Copyright (C) 1997 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 <gconv.h> +#include <stdlib.h> + + +int +__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 + { + free (drunp->outbuf); + if (drunp->data != NULL) + free (drunp->data); + } + + /* Next step. */ + ++srunp; + ++drunp; + } + 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); +} |