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#ifndef WV_MEM_H
#define WV_MEM_H
#include <stddef.h>
#include <stdint.h>
/* Relative offset into the arena */
typedef uint32_t wv_ref;
/* 0 is our 'NULL' */
#define WV_REF_NULL 0
/* Resolve a ref into a memory address */
#define WV_ADDR(arena, ref) ((void *)((arena)->buf + (ref)))
struct wv_arena {
size_t size;
size_t offset;
unsigned char *buf;
};
struct wv_arena* wv_arena_create(size_t n);
wv_ref wv_alloc(struct wv_arena *arena, size_t n);
void wv_arena_reset(struct wv_arena *arena);
void wv_arena_destroy(struct wv_arena *arena);
#endif /* WV_MEM_H */
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