lighttpd 1.4.x https://www.lighttpd.net/
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#ifndef _SPLAY_TREE_H_
#define _SPLAY_TREE_H_
#include "first.h"
typedef struct tree_node {
struct tree_node * left, * right;
int key;
void *data;
} splay_tree;
splay_tree * splaytree_splay (splay_tree *t, int key);
splay_tree * splaytree_insert(splay_tree *t, int key, void *data);
splay_tree * splaytree_delete(splay_tree *t, int key);
#include "algo_md.h"
__attribute_pure__
static inline int32_t splaytree_djbhash(const char *str, const uint32_t len);
static inline int32_t splaytree_djbhash(const char *str, const uint32_t len)
{
/* strip highest bit of hash value for splaytree */
return (int32_t)(djbhash(str,len,DJBHASH_INIT) & ~(((uint32_t)1) << 31));
}
#endif