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Update shared_func.c 

update is_power2: return ((n != 0) && !(n & (n - 1)));
pull/10/head
hanyunqi 2016-12-08 18:47:01 +08:00 committed by GitHub
parent ec6f0b8711
commit 7e09d1f94f
1 changed files with 2 additions and 10 deletions
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12
src/shared_func.c
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@ -2306,17 +2306,9 @@ int64_t get_current_time_us()
return ((int64_t)tv.tv_sec * 1000 * 1000 + (int64_t)tv.tv_usec);
}
bool is_power2(const int64_t n)
inline bool is_power2(const int64_t n)
{
int64_t i;
i = 2;
while (i < n)
{
i *= 2;
}
return i == n;
return ((n != 0) && !(n & (n - 1)));
}
static inline int do_lock_file(int fd, int cmd, int type)