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-rw-r--r--iconv/gconv_close.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/iconv/gconv_close.c b/iconv/gconv_close.c
new file mode 100644
index 0000000000..d3d023f488
--- /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);
+}