106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
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* isdn4linux options file tree support
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*
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* This file is part of ANT (Ant is Not a Telephone)
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*
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* Copyright 2003 Roland Stigge
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*
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* ANT is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* ANT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ANT; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* GNU headers */
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#include <stdio.h>
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#include <stdlib.h>
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/* own headers */
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#include "isdntree.h"
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isdn_tree_node_t* isdn_tree;
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/*
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* helper function for isdn_tree_dump recursively dumping the tree
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*/
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static void isdn_tree_dump_list(isdn_tree_node_t* list, int indent) {
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while (list != NULL) {
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switch (list->type) {
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case ISDN_NODE_TYPE_ENTRY:
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printf("%*sEntry \"%s\" => \"%s\"\n",
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indent, "", list->name, list->content.value);
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break;
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case ISDN_NODE_TYPE_SECTION:
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printf("%*sSection [%s]:\n",
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indent, "", list->name);
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isdn_tree_dump_list(list->content.section, indent + 2);
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break;
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case ISDN_NODE_TYPE_SUBSECTION:
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printf("%*sSubsection \"%s\":\n",
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indent, "", list->name);
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isdn_tree_dump_list(list->content.subsection, indent + 2);
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break;
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default:
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fprintf(stderr, "Unknown ISDN_NODE_TYPE\n");
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}
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list = list->next;
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}
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}
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/*
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* dump whole tree to stdout
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*/
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void isdn_tree_dump() {
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printf("ISDN config dump:\n");
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isdn_tree_dump_list(isdn_tree, 2);
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}
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/*
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* helper for isdn_tree_free
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* -> recursive release of memory from tree
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*/
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static void isdn_tree_free_list(isdn_tree_node_t* list) {
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while (list != NULL) {
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isdn_tree_node_t* temp;
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free(list->name);
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switch (list->type) {
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case ISDN_NODE_TYPE_ENTRY:
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free(list->content.value);
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break;
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case ISDN_NODE_TYPE_SECTION:
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isdn_tree_free_list(list->content.section);
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break;
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case ISDN_NODE_TYPE_SUBSECTION:
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isdn_tree_free_list(list->content.subsection);
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break;
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default:
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fprintf(stderr, "Unknown ISDN_NODE_TYPE\n");
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}
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temp = list->next;
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free(list);
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list = temp;
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}
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}
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/*
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* cleans up: releases all memory associated with tree
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*/
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void isdn_tree_free() {
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isdn_tree_free_list(isdn_tree);
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}
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