diff options
Diffstat (limited to 'toys/posix')
| -rw-r--r-- | toys/posix/date.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/toys/posix/date.c b/toys/posix/date.c index a42de502..398b8915 100644 --- a/toys/posix/date.c +++ b/toys/posix/date.c @@ -131,12 +131,11 @@ static int parse_default(char *str, struct tm *tm) // If year specified, overwrite one we fetched earlier if (*str && *str != '.') { - unsigned year, r1 = tm->tm_year % 100, r2 = (tm->tm_year + 50) % 100, - century = tm->tm_year - r1; + unsigned year; len = 0; sscanf(str, "%u%n", &year, &len); - if (len == 4) year -= 1900; + if (len == 4) tm->tm_year = year - 1900; else if (len != 2) return 1; str += len; @@ -144,11 +143,14 @@ static int parse_default(char *str, struct tm *tm) // A "future" date in past is a century ahead. // A non-future date in the future is a century behind. if (len == 2) { + unsigned r1 = tm->tm_year % 100, r2 = (tm->tm_year + 50) % 100, + century = tm->tm_year - r1; + if ((r1 < r2) ? (r1 < year && year < r2) : (year < r1 || year > r2)) { if (year < r1) year += 100; } else if (year > r1) year -= 100; + tm->tm_year = year + century; } - tm->tm_year = year + century; } if (*str == '.') { len = 0; |