#ifndef FUSE_UTIL_H_

#define FUSE_UTIL_H_

#include <stdint.h>

#include <stdbool.h>

#define max(x, y) ((x) > (y) ? (x) : (y))

#define min(x, y) ((x) < (y) ? (x) : (y))

#define ROUND_UP(val, round_to) (((val) + (round_to - 1)) & ~(round_to - 1))

#define likely(x) __builtin_expect(!!(x), 1)

#define unlikely(x) __builtin_expect(!!(x), 0)

struct fuse_conn_info;

int libfuse_strtol(const char *str, long *res);

void fuse_set_thread_name(const char *name);

/**

 * Return the low bits of a number

 */

static inline uint32_t fuse_lower_32_bits(uint64_t nr)

{

  return (uint32_t)(nr & 0xffffffff);

}

/**

 * Return the high bits of a number

 */

static inline uint64_t fuse_higher_32_bits(uint64_t nr)

{

  return nr & ~0xffffffffULL;

}

#ifndef FUSE_VAR_UNUSED

#define FUSE_VAR_UNUSED __attribute__((__unused__))

#endif

#define container_of(ptr, type, member)                      \

  ({                                                   \

    unsigned long __mptr = (unsigned long)(ptr); \

    ((type *)(__mptr - offsetof(type, member))); \

  })

#if __has_attribute(__fallthrough__)

#define fallthrough __attribute__((__fallthrough__))

#else

#define fallthrough do {} while (0)

#endif

static inline uint64_t round_up(uint64_t b, unsigned int align)

{

  unsigned int m;

  if (align == 0)

    return b;

  m = b % align;

  if (m)

    b += align - m;

  return b;

}

static inline uint64_t round_down(uint64_t b, unsigned int align)

{

  unsigned int m;

  if (align == 0)

    return b;

  m = b % align;

  return b - m;

}

static inline uint64_t howmany(uint64_t b, unsigned int align)

{

  unsigned int m;

  if (align == 0)

    return b;

  m = (b % align) ? 1 : 0;

  return (b / align) + m;

}

#endif /* FUSE_UTIL_H_ */