diff options
| -rw-r--r-- | libbb/time.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/libbb/time.c b/libbb/time.c index ea2f72e3b..aa19a47d4 100644 --- a/libbb/time.c +++ b/libbb/time.c @@ -68,15 +68,23 @@ void FAST_FUNC parse_datestr(const char *date_str, struct tm *ptm) /* else end != NUL and we error out */ } } else - /* yyyy-mm-dd HH */ - if (sscanf(date_str, "%u-%u-%u %u%c", &ptm->tm_year, + if (strchr(date_str, '-') + /* Why strchr('-') check? + * sscanf below will trash ptm->tm_year, this breaks + * if parse_str is "10101010" (iow, "MMddhhmm" form) + * because we destroy year. Do these sscanf + * only if we saw a dash in parse_str. + */ + /* yyyy-mm-dd HH */ + && (sscanf(date_str, "%u-%u-%u %u%c", &ptm->tm_year, &ptm->tm_mon, &ptm->tm_mday, &ptm->tm_hour, &end) >= 4 - /* yyyy-mm-dd */ - || sscanf(date_str, "%u-%u-%u%c", &ptm->tm_year, + /* yyyy-mm-dd */ + || sscanf(date_str, "%u-%u-%u%c", &ptm->tm_year, &ptm->tm_mon, &ptm->tm_mday, &end) >= 3 + ) ) { ptm->tm_year -= 1900; /* Adjust years */ ptm->tm_mon -= 1; /* Adjust month from 1-12 to 0-11 */ |