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#ifndef _UITLS_H
#define _UTILS_H
#include <assert.h>
#ifndef AF_DECT
#define AF_DECT 36
#endif
#define __init __attribute__((constructor))
#define __exit __attribute__((destructor))
#define __must_check __attribute__((warn_unused_result))
#define __noreturn __attribute__((__noreturn__))
#define __fmtstring(x, y) __attribute__((format(printf, x, y)))
#define __aligned(x) __attribute__((aligned(x)))
#define __packed __attribute__((packed))
extern void *dect_malloc(const struct dect_handle *dh, size_t size);
extern void *dect_zalloc(const struct dect_handle *dh, size_t size);
extern void dect_free(const struct dect_handle *dh, void *ptr);
extern struct dect_timer *dect_alloc_timer(const struct dect_handle *dh);
extern void dect_start_timer(const struct dect_handle *dh,
struct dect_timer *timer, unsigned int timeout);
extern void dect_stop_timer(const struct dect_handle *dh, struct dect_timer *timer);
struct dect_fd *dect_alloc_fd(const struct dect_handle *dh);
extern void dect_close(const struct dect_handle *dh, struct dect_fd *dfd);
extern void dect_debug(const char *fmt, ...) __fmtstring(1, 2);
extern void dect_hexdump(const char *prefix, const uint8_t *buf, size_t size);
#include <sys/socket.h> // FIXME: socklen_t
extern struct dect_fd *dect_socket(const struct dect_handle *dh,
int type, int protocol);
extern struct dect_fd *dect_accept(const struct dect_handle *dh,
const struct dect_fd *dfd,
struct sockaddr *addr, socklen_t len);
extern int dect_register_fd(const struct dect_handle *dh, struct dect_fd *dfd,
uint32_t events);
extern void dect_unregister_fd(const struct dect_handle *dh, struct dect_fd *dfd);
#define BUG() assert(0)
/* Force a compilation error if condition is true */
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
#define __must_be_array(a) \
BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0])))
#define array_size(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
#define field_sizeof(t, f) (sizeof(((t *)NULL)->f))
#define div_round_up(n, d) (((n) + (d) - 1) / (d))
#define min(x, y) ({ \
typeof(x) _min1 = (x); \
typeof(y) _min2 = (y); \
(void) (&_min1 == &_min2); \
_min1 < _min2 ? _min1 : _min2; })
#define max(x, y) ({ \
typeof(x) _max1 = (x); \
typeof(y) _max2 = (y); \
(void) (&_max1 == &_max2); \
_max1 > _max2 ? _max1 : _max2; })
#endif /* _UTILS_H */
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