diff options
Diffstat (limited to 'manual/examples/timespec_subtract.c')
| -rw-r--r-- | manual/examples/timespec_subtract.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/manual/examples/timespec_subtract.c b/manual/examples/timespec_subtract.c index 380d173..2660740 100644 --- a/manual/examples/timespec_subtract.c +++ b/manual/examples/timespec_subtract.c @@ -22,12 +22,12 @@ bool timespec_subtract (struct timespec *r, - struct timespec x, struct timespec y) + struct timespec x, struct timespec y) { - /* Compute nanoseconds, setting @var{borrow} to 1, 0, or -1 + /* Compute nanoseconds, setting @var{borrow} to 1 or 0 for propagation into seconds. */ long int nsec_diff = x.tv_nsec - y.tv_nsec; - int borrow = (nsec_diff < 0) - ! (nsec_diff < 1000000000); + bool borrow = nsec_diff < 0; r->tv_nsec = nsec_diff + 1000000000 * borrow; /* Compute seconds, returning true if this overflows. */ |