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