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

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.

diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 7ee0484258b17c54b49262466613f29fae1b67a6..467503c1b55f66dfa6a761ccb3c9849ce90057c7 100644 (file)
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -897,6 +897,7 @@ static char* extract_multiplier(char *p, usec_t *multiplier) {
                 { "y",       USEC_PER_YEAR   },
                 { "usec",    1ULL            },
                 { "us",      1ULL            },
                 { "y",       USEC_PER_YEAR   },
                 { "usec",    1ULL            },
                 { "us",      1ULL            },

+                { "µs",      1ULL            },

         };
         unsigned i;
 
         };
         unsigned i;
 


@@ -1031,6 +1032,7 @@ int parse_nsec(const char *t, nsec_t *nsec) {
                 { "y", NSEC_PER_YEAR },
                 { "usec", NSEC_PER_USEC },
                 { "us", NSEC_PER_USEC },
                 { "y", NSEC_PER_YEAR },
                 { "usec", NSEC_PER_USEC },
                 { "us", NSEC_PER_USEC },

+                { "µs", NSEC_PER_USEC },

                 { "nsec", 1ULL },
                 { "ns", 1ULL },
                 { "", 1ULL }, /* default is nsec */
                 { "nsec", 1ULL },
                 { "ns", 1ULL },
                 { "", 1ULL }, /* default is nsec */