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/*----------------------------------------------------------------------------*/
/* Xymon monitor library. */
/* */
/* This is a library module, part of libxymon. */
/* It contains routines for tree-based record storage. */
/* */
/* Copyright (C) 2011-2011 Henrik Storner <henrik@storner.dk> */
/* */
/* This program is released under the GNU General Public License (GPL), */
/* version 2. See the file "COPYING" for details. */
/* */
/*----------------------------------------------------------------------------*/
#ifndef __TREE_H__
#define __TREE_H__
typedef enum {
XTREE_STATUS_OK,
XTREE_STATUS_MEM_EXHAUSTED,
XTREE_STATUS_DUPLICATE_KEY,
XTREE_STATUS_KEY_NOT_FOUND,
XTREE_STATUS_NOTREE
} xtreeStatus_t;
#ifdef HAVE_BINARY_TREE
#define xtreeEnd(X) (NULL)
typedef void *xtreePos_t;
#else
#define xtreeEnd(X) (-1)
typedef int xtreePos_t;
#endif
extern void *xtreeNew(int(*xtreeCompare)(const char *a, const char *b));
extern void xtreeDestroy(void *treehandle);
extern xtreeStatus_t xtreeAdd(void *treehandle, char *key, void *userdata);
extern void *xtreeDelete(void *treehandle, char *key);
extern xtreePos_t xtreeFind(void *treehandle, char *key);
extern xtreePos_t xtreeFirst(void *treehandle);
extern xtreePos_t xtreeNext(void *treehandle, xtreePos_t pos);
extern char *xtreeKey(void *treehandle, xtreePos_t pos);
extern void *xtreeData(void *treehandle, xtreePos_t pos);
#endif
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