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-rw-r--r--date.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/date.c b/date.c
index 51c646166..1de184587 100644
--- a/date.c
+++ b/date.c
@@ -24,6 +24,8 @@ time_t tm_to_time_t(const struct tm *tm)
return -1;
if (month < 2 || (year + 2) % 4)
day--;
+ if (tm->tm_hour < 0 || tm->tm_min < 0 || tm->tm_sec < 0)
+ return -1;
return (year * 365 + (year + 1) / 4 + mdays[month] + day) * 24*60*60UL +
tm->tm_hour * 60*60 + tm->tm_min * 60 + tm->tm_sec;
}
@@ -425,13 +427,19 @@ static int match_multi_number(unsigned long num, char c, const char *date, char
return end - date;
}
-/* Have we filled in any part of the time/date yet? */
+/*
+ * Have we filled in any part of the time/date yet?
+ * We just do a binary 'and' to see if the sign bit
+ * is set in all the values.
+ */
static inline int nodate(struct tm *tm)
{
- return tm->tm_year < 0 &&
- tm->tm_mon < 0 &&
- tm->tm_mday < 0 &&
- !(tm->tm_hour | tm->tm_min | tm->tm_sec);
+ return (tm->tm_year &
+ tm->tm_mon &
+ tm->tm_mday &
+ tm->tm_hour &
+ tm->tm_min &
+ tm->tm_sec) < 0;
}
/*
@@ -580,6 +588,9 @@ int parse_date(const char *date, char *result, int maxlen)
tm.tm_mon = -1;
tm.tm_mday = -1;
tm.tm_isdst = -1;
+ tm.tm_hour = -1;
+ tm.tm_min = -1;
+ tm.tm_sec = -1;
offset = -1;
tm_gmt = 0;
@@ -893,6 +904,17 @@ static void pending_number(struct tm *tm, int *num)
*num = 0;
if (tm->tm_mday < 0 && number < 32)
tm->tm_mday = number;
+ else if (tm->tm_mon < 0 && number < 13)
+ tm->tm_mon = number-1;
+ else if (tm->tm_year < 0) {
+ if (number > 1969 && number < 2100)
+ tm->tm_year = number - 1900;
+ else if (number > 69 && number < 100)
+ tm->tm_year = number;
+ else if (number < 38)
+ tm->tm_year = 100 + number;
+ /* We screw up for number = 00 ? */
+ }
}
}