util.h

#ifndef FUSE_UTIL_H_
#define FUSE_UTIL_H_
 
#include <stdint.h>
#include <stdbool.h>
 
#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);
 
static inline uint32_t fuse_lower_32_bits(uint64_t nr)
{
        return (uint32_t)(nr & 0xffffffff);
}
 
static inline uint64_t fuse_higher_32_bits(uint64_t nr)
{
        return nr & ~0xffffffffULL;
}
 
#ifndef FUSE_VAR_UNUSED
#define FUSE_VAR_UNUSED(var) (__attribute__((unused)) var)
#endif
 
#define container_of(ptr, type, member)                      \
        ({                                                   \
                unsigned long __mptr = (unsigned long)(ptr); \
                ((type *)(__mptr - offsetof(type, member))); \
        })
 
#endif