diff options
Diffstat (limited to 'lib/timespec.h')
| -rw-r--r-- | lib/timespec.h | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/lib/timespec.h b/lib/timespec.h index 1c7da7e7b..01032f336 100644 --- a/lib/timespec.h +++ b/lib/timespec.h @@ -42,22 +42,15 @@ struct timespec }; # endif -# ifdef ST_MTIM_NSEC -# define ST_TIME_CMP_NS(a, b, ns) ((a).ns < (b).ns ? -1 : (a).ns > (b).ns) -# else -# define ST_TIME_CMP_NS(a, b, ns) 0 -# endif -# define ST_TIME_CMP(a, b, s, ns) \ - ((a).s < (b).s ? -1 : (a).s > (b).s ? 1 : ST_TIME_CMP_NS(a, b, ns)) -# define ATIME_CMP(a, b) ST_TIME_CMP (a, b, st_atime, st_atim.ST_MTIM_NSEC) -# define CTIME_CMP(a, b) ST_TIME_CMP (a, b, st_ctime, st_ctim.ST_MTIM_NSEC) -# define MTIME_CMP(a, b) ST_TIME_CMP (a, b, st_mtime, st_mtim.ST_MTIM_NSEC) - -# ifdef ST_MTIM_NSEC -# define TIMESPEC_NS(timespec) ((timespec).ST_MTIM_NSEC) -# else -# define TIMESPEC_NS(timespec) 0 -# endif +/* Return negative, zero, positive if A < B, A == B, A > B, respectively. + Assume the nanosecond components are in range, or close to it. */ +static inline int +timespec_cmp (struct timespec a, struct timespec b) +{ + return (a.tv_sec < b.tv_sec ? -1 + : a.tv_sec > b.tv_sec ? 1 + : a.tv_nsec - b.tv_nsec); +} # if ! HAVE_DECL_NANOSLEEP /* Don't specify a prototype here. Some systems (e.g., OSF) declare |