tlsf.h

#pragma once

#include <stddef.h>
#include <stdint.h>

#ifndef TLSF_API
    #define TLSF_API
#endif

#define _TLSF_SL_COUNT 16
#define _TLSF_FL_COUNT (sizeof(size_t) == 8 ? 32 : 25)
#define _TLSF_FL_MAX   (sizeof(size_t) == 8 ? 38 : 30)
#define TLSF_MAX_SIZE  (((size_t)1 << (_TLSF_FL_MAX - 1)) - sizeof(size_t))
#define TLSF_INIT      ((tlsf){ .size = 0 })

typedef struct {
    uint32_t fl, sl[_TLSF_FL_COUNT];
    struct tlsf_block_* block[_TLSF_FL_COUNT][_TLSF_SL_COUNT];
    size_t size;
} tlsf;

TLSF_API void* tlsf_resize(tlsf*, size_t);
TLSF_API void* tlsf_aalloc(tlsf*, size_t, size_t);
TLSF_API void* tlsf_malloc(tlsf*, size_t);
TLSF_API void* tlsf_realloc(tlsf*, void*, size_t);
TLSF_API void tlsf_free(tlsf*, void*);

#ifdef TLSF_ENABLE_CHECK
TLSF_API void tlsf_check(tlsf*);
#else
static inline void tlsf_check(tlsf* t) {
    (void)t;
}
#endif