#ifndef APLWC_INTERNAL_H
#define APLWC_INTERNAL_H

#include <aplwc.h>

#define UNUSED_PARAMETER(arg) ((void)arg)

#define RETURN_ERROR(aplwcp, rc, msg) do{ \
	return ((aplwc)->last_error = (rc)); \
	}while(0)

#define NELEM(x) (sizeof(x)/sizeof(x[0]))

#if APLWC_BUILD_TYPE_DEBUG
 #define ALWAYS(x) ((x) ? 1 : (assert(0), 0))
 #define NEVER(x)  ((x) ? (assert(0), 1) : 0)
#elif APLWC_BUILD_TYPE_RELEASE
 #define ALWAYS(x) (X)
 #define NEVER(X)  (X)
#elif APLWC_BUILD_TYPE_COVERAGE
 #define ALWAYS(x) (1)
 #define NEVER(x)  (0)
#endif

#include <assert.h>
#include <stdalign.h>
#include <stdbool.h>
#include <string.h>

struct memory {
	uint8_t *data;
	size_t size;
	size_t offset;
};

struct aplwc {
	enum aplwc_rc last_error;
	char last_error_msg[64];
	struct memory memory;
};

/* errors.c */
const char *rc_to_string(enum aplwc_rc);

/* memory.c */
struct memory memory_init(uint8_t *, size_t);
struct aplwc *memory_alloc_aplwc(struct memory *);
void memory_free_aplwc(struct memory *, struct aplwc *);

#endif /* APLWC_INTERNAL_H */