shithub: femtolisp

ref: 2f6d0a48c2c77af6979142337a97f9fefa133c42
dir: /htable.h/

View raw version 
#pragma once

#define HT_N_INLINE 32

typedef struct {
	size_t size;
	void **table;
	void *_space[HT_N_INLINE];

	// this is to skip over non-items in for-each
	// FIXME(sigrid): in a multithreaded environment this isn't enough
	size_t i;
}htable_t;

// define this to be an invalid key/value
#define HT_NOTFOUND ((void*)1)

// initialize and free
htable_t *htable_new(htable_t *h, size_t size);
void htable_free(htable_t *h);

// clear and (possibly) change size
void htable_reset(htable_t *h, size_t sz);