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| author | Christopher Head <chead@zaber.com> | 2018-01-24 14:22:37 -0800 |
|---|---|---|
| committer | Freddie Chopin <freddie.chopin@gmail.com> | 2018-01-25 16:43:45 +0000 |
| commit | e0fc7a54f287aad414b373410e09faa048f3a9dd (patch) | |
| tree | 8ed8d23da06210b104f617571301f5581ec6e8f1 /src | |
| parent | e22c6484eaedd56d71011dd56e76eacab515a0d6 (diff) | |
| download | riscv-openocd-e0fc7a54f287aad414b373410e09faa048f3a9dd.zip riscv-openocd-e0fc7a54f287aad414b373410e09faa048f3a9dd.tar.gz riscv-openocd-e0fc7a54f287aad414b373410e09faa048f3a9dd.tar.bz2 | |
Add timeval_compare helper function
Change-Id: Id75727a150912ff778a4fa32ad56467da33a6324
Signed-off-by: Christopher Head <chead@zaber.com>
Reviewed-on: http://openocd.zylin.com/4379
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Diffstat (limited to 'src')
| -rw-r--r-- | src/helper/time_support.c | 15 | ||||
| -rw-r--r-- | src/helper/time_support.h | 1 |
2 files changed, 16 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); diff --git a/src/helper/time_support.h b/src/helper/time_support.h index 58c8c48..7abbdb2 100644 --- a/src/helper/time_support.h +++ b/src/helper/time_support.h @@ -38,6 +38,7 @@ int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y); int timeval_add_time(struct timeval *result, long sec, long usec); +int timeval_compare(const struct timeval *x, const struct timeval *y); /** @returns gettimeofday() timeval as 64-bit in ms */ int64_t timeval_ms(void); |