shithub: femtolisp

ref: 1fa5ecb395cf9771300fae5da9e38b69e3aa48a9
dir: /htable.h/

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#pragma once

#define HT_N_INLINE 32

typedef struct {
	uint32_t size;
	// this is to skip over non-items in for-each
	// FIXME(sigrid): in a multithreaded environment this isn't enough
	uint32_t i;
	void **table;
	void *_space[HT_N_INLINE];
}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);