Junio C Hamano <gitster@xxxxxxxxx> writes:
> Haitao Li <lihaitao@xxxxxxxxx> writes:
>
>> Timezone designators including additional separator (`:`) are ignored.
>> Actually zone designators in below formats are all valid according to
>> ISO8601:2004, section 4.3.2:
>> [+-]hh, [+-]hhmm, [+-]hh:mm
>
> Thanks for a re-roll.
>
>> This patch teaches git recognizing zone designators with hours and
>> minutes separated by colon, or minutes are empty.
>
> The last sentence above makes it sound as if you are accepting
>
> "2011-09-17 12:34:56 +09:"
>
> but I suspect that is not what you intend to allow. Perhaps "we allowed
> hh and hhmm and this teaches Git to recognize hh:mm format as well"?
Also, I do not quite understand why the match_tz() logic needs to be that
long.
Wouldn't something like this patch (on top of yours) easier to follow?
date.c | 50 +++++++++++++++++++++-----------------------------
1 files changed, 21 insertions(+), 29 deletions(-)
diff --git a/date.c b/date.c
index f8722c1..6079b1a 100644
--- a/date.c
+++ b/date.c
@@ -551,44 +551,36 @@ static int match_digit(const char *date, struct tm *tm, int *offset, int *tm_gmt
static int match_tz(const char *date, int *offp)
{
+ int min;
char *end;
- int offset = strtoul(date+1, &end, 10);
- int min, hour;
- int n = end - date - 1;
+ int hour = strtoul(date + 1, &end, 10);
+ int n = end - (date + 1);
- /*
- * ISO8601:2004(E) allows time zone designator been separated
- * by a clone in the extended format
- */
- if (*end == ':') {
- if (isdigit(end[1])) {
- hour = offset;
- min = strtoul(end+1, &end, 10);
- } else {
- /* Mark as invalid */
- n = -1;
- }
- } else {
- if (n == 1 || n == 2) {
- /* Only hours specified */
- hour = offset;
- min = 0;
- } else {
- hour = offset / 100;
- min = offset % 100;
- }
+ if (n == 4) {
+ /* hhmm */
+ min = hour % 100;
+ hour = hour / 100;
+ } else if (n != 2) {
+ min = 99; /* random crap */
+ } else if (*end == ':') {
+ /* hh:mm? */
+ min = strtoul(end + 1, &end, 10);
+ if (end - (date + 1) != 5)
+ min = 99; /* random crap */
}
/*
- * Don't accept any random crap.. We might want to check that
- * the minutes are divisible by 15 or something too. (Offset of
+ * Don't accept any random crap. Even though some places have
+ * offset larger than 12 hours (e.g. Pacific/Kiritimati is at
+ * UTC+14), there is something wrong if hour part is much
+ * larger than that. We might also want to check that the
+ * minutes are divisible by 15 or something too. (Offset of
* Kathmandu, Nepal is UTC+5:45)
*/
- if (n > 0 && min < 60) {
- offset = hour*60+min;
+ if (min < 60 && hour < 24) {
+ int offset = hour * 60 + min;
if (*date == '-')
offset = -offset;
-
*offp = offset;
}
return end - date;
--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html