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time-util: accept "µs" as time unit, in addition to "us" (#4836)

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Let's accept "µs" as alternative time unit for microseconds. We already accept
"us" and "usec" for them, lets extend on this and accept the proper scientific
unit specification too.

We will never output this as time unit, but it's fine to accept it, after all
we are pretty permissive with time units already.
This commit is contained in:
Lennart Poettering
2016-12-06 10:51:26 +01:00
committed by Martin Pitt
parent 471b9850ee
commit 5efdbf11d1
2 changed files with 6 additions and 0 deletions
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2
src/basic/time-util.c
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@@ -883,6 +883,7 @@ static char* extract_multiplier(char *p, usec_t *multiplier) {
{ "y", USEC_PER_YEAR },
{ "usec", 1ULL },
{ "us", 1ULL },
{ "µs", 1ULL },
};
unsigned i;
@@ -1016,6 +1017,7 @@ int parse_nsec(const char *t, nsec_t *nsec) {
{ "y", NSEC_PER_YEAR },
{ "usec", NSEC_PER_USEC },
{ "us", NSEC_PER_USEC },
{ "µs", NSEC_PER_USEC },
{ "nsec", 1ULL },
{ "ns", 1ULL },
{ "", 1ULL }, /* default is nsec */

4
src/test/test-time.c
View File

@@ -42,6 +42,10 @@ static void test_parse_sec(void) {
assert_se(u == 2500 * USEC_PER_MSEC);
assert_se(parse_sec(".7", &u) >= 0);
assert_se(u == 700 * USEC_PER_MSEC);
assert_se(parse_sec("23us", &u) >= 0);
assert_se(u == 23);
assert_se(parse_sec("23µs", &u) >= 0);
assert_se(u == 23);
assert_se(parse_sec("infinity", &u) >= 0);
assert_se(u == USEC_INFINITY);
assert_se(parse_sec(" infinity ", &u) >= 0);