#ifndef ARENA_H
#define ARENA_H

#include <stddef.h>

typedef struct arena arena_t;

// Arena allocator for request-scoped allocations
struct arena {
	char *buf;       // memory buffer
	size_t size;     // total size
	size_t used;     // bytes used
	arena_t *next;   // for chaining arenas (future)
};

// Arena operations
arena_t* arena_new(size_t size);
void arena_free(arena_t *a);
void* arena_alloc(arena_t *a, size_t size);
char* arena_strdup(arena_t *a, const char *s, size_t len);
void arena_reset(arena_t *a);

#endif // ARENA_H