diff options
Diffstat (limited to 'src/helper/time_support.c')
| -rw-r--r-- | src/helper/time_support.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/helper/time_support.c b/src/helper/time_support.c index 8337e73..05eaf0a 100644 --- a/src/helper/time_support.c +++ b/src/helper/time_support.c @@ -62,6 +62,21 @@ int timeval_add_time(struct timeval *result, long sec, long usec) return 0; } +/* compare two timevals and return -1/0/+1 accordingly */ +int timeval_compare(const struct timeval *x, const struct timeval *y) +{ + if (x->tv_sec < y->tv_sec) + return -1; + else if (x->tv_sec > y->tv_sec) + return 1; + else if (x->tv_usec < y->tv_usec) + return -1; + else if (x->tv_usec > y->tv_usec) + return 1; + else + return 0; +} + int duration_start(struct duration *duration) { return gettimeofday(&duration->start, NULL); |