tc_destroy.c

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/*
** Copyright (C) 2005 by Kevin L. Mitchell <klmitch@mit.edu>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
**
** @(#)$Id: tc_destroy.c,v 1.3 2005/06/07 04:53:50 klmitch Exp $
*/
#include <errno.h>

#include "treeconf_int.h"

RCSTAG("@(#)$Id: tc_destroy.c,v 1.3 2005/06/07 04:53:50 klmitch Exp $");

unsigned int
tc_destroy(treeconf_ctx_t *ctx)
{
  treeconf_node_t *node;

  initialize_trcf_error_table();

  /* verify the argument */
  if (!tx_verify(ctx))
    return EINVAL;

  /* OK, go through all the nodes and release them and their children */
  while ((node = ctx->tx_config)) { /* walk the list... */
    ctx->tx_config = node->tn_next; /* shift the node up some... */

    _tc_release_node(node); /* release node and all its children */
  }

  ctx->tx_count = 0; /* make sure the count is zeroed */
  ctx->tx_magic = 0; /* and clear the magic number */

  return 0;
}

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