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mirror of https://code.semirocket.science/wrapsix synced 2024-11-14 01:51:14 +02:00
wrapsix/wrapper/lib/jsw_rbtree.h
xHire b6a9de321b Backward translation of ICMP traffic
Fixed mistake in field type in pseudo-IPv6 header
Bundled a library for red-black trees (storage mechanism is based on it)
2009-01-06 17:14:51 +01:00

61 lines
1.7 KiB
C++

#ifndef JSW_RBTREE_H
#define JSW_RBTREE_H
/*
Red Black balanced tree library
> Created (Julienne Walker): August 23, 2003
> Modified (Julienne Walker): March 14, 2008
This code is in the public domain. Anyone may
use it or change it in any way that they see
fit. The author assumes no responsibility for
damages incurred through use of the original
code or any variations thereof.
It is requested, but not required, that due
credit is given to the original author and
anyone who has modified the code through
a header comment, such as this one.
*/
#ifdef __cplusplus
#include <cstddef>
using std::size_t;
extern "C" {
#else
#include <stddef.h>
#endif
/* Opaque types */
typedef struct jsw_rbtree jsw_rbtree_t;
typedef struct jsw_rbtrav jsw_rbtrav_t;
/* User-defined item handling */
typedef int (*cmp_f) ( const void *p1, const void *p2 );
typedef void *(*dup_f) ( void *p );
typedef void (*rel_f) ( void *p );
/* Red Black tree functions */
jsw_rbtree_t *jsw_rbnew ( cmp_f cmp, dup_f dup, rel_f rel );
void jsw_rbdelete ( jsw_rbtree_t *tree );
void *jsw_rbfind ( jsw_rbtree_t *tree, void *data );
int jsw_rbinsert ( jsw_rbtree_t *tree, void *data );
int jsw_rberase ( jsw_rbtree_t *tree, void *data );
size_t jsw_rbsize ( jsw_rbtree_t *tree );
/* Traversal functions */
jsw_rbtrav_t *jsw_rbtnew ( void );
void jsw_rbtdelete ( jsw_rbtrav_t *trav );
void *jsw_rbtfirst ( jsw_rbtrav_t *trav, jsw_rbtree_t *tree );
void *jsw_rbtlast ( jsw_rbtrav_t *trav, jsw_rbtree_t *tree );
void *jsw_rbtnext ( jsw_rbtrav_t *trav );
void *jsw_rbtprev ( jsw_rbtrav_t *trav );
#ifdef __cplusplus
}
#endif
#endif