87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
/*
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gib_tree.c
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GIB tree handling functions
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Copyright (C) 2003 Brian Koropoff
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Author: Brian Koropoff
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Date: #DATE#
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "QF/sys.h"
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#include "QF/qtypes.h"
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#include "gib_tree.h"
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gib_tree_t *
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GIB_Tree_New (enum gib_tree_type_e type)
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{
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gib_tree_t *new = calloc (1, sizeof (gib_tree_t));
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new->type = type;
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// All nodes are created for a reason, so start with 1 ref
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new->refs = 1;
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return new;
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}
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void
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GIB_Tree_Free_Recursive (gib_tree_t * tree)
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{
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gib_tree_t *n;
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if (tree->refs)
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return;
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for (; tree; tree = n) {
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n = tree->next;
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if (tree->children)
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// Parent is about to bite the dust, meaning one less reference
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GIB_Tree_Unref (&tree->children);
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if (tree->str)
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free ((void *) tree->str);
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free (tree);
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}
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}
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void
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GIB_Tree_Ref (gib_tree_t ** tp)
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{
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(*tp)->refs++;
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// Sys_MaskPrintf (SYS_dev, "Ref: %p %u\n", *tp, (*tp)->refs);
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}
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void
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GIB_Tree_Unref (gib_tree_t ** tp)
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{
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// Sys_MaskPrintf (SYS_dev, "Unref: %p %u\n", *tp, (*tp)->refs - 1);
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if (!(--(*tp)->refs)) {
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GIB_Tree_Free_Recursive (*tp);
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*tp = 0;
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}
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}
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