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Bug 767824 - Some UTC timezones incorrectly recognized on Windows 7

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Reset minutes-only timezones to +0000 (UTC) and adjust the time
according to the time zone error.
This commit is contained in:
John Ralls 2016-06-20 12:59:21 -07:00
parent c0086e15e9
commit a6da796c94
1 changed files with 21 additions and 1 deletions
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22
src/libqof/qof/gnc-date.c
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@ -1423,6 +1423,7 @@ gnc_iso8601_to_timespec_gmt(const char *str)
gint hour = 0, minute = 0, day = 0, month = 0, year = 0;
gchar zone[12];
gdouble second = 0.0;
int correction = 0;
gint fields;
memset (zone, 0, sizeof (zone));
@ -1436,11 +1437,30 @@ gnc_iso8601_to_timespec_gmt(const char *str)
return time;
else if (fields > 6 && strlen (zone) > 0) /* Date string included a timezone */
{
GTimeZone *tz = g_time_zone_new (zone);
GTimeZone *tz = NULL;
time64 secs;
int plus = strspn(zone, "+-");
long offset = strtol(zone, NULL, 10);
gboolean adjust_time = FALSE;
/* Bug 767824: A GLib bug in parsing the UTC timezone on
* Windows may have created a bogus timezone of a random
* number of minutes. Since there are no fractional-hour
* timezones around the prime meridian we can safely check for
* this in files by looking for minutes-only offsets and
* making the appropriate correction.
*/
if (strlen(zone) > 2 + plus && offset > -100 && offset < 100)
{
strcpy(zone, "+0000");
second = 0.0;
adjust_time = TRUE;
}
second += 5e-10;
tz = g_time_zone_new (zone);
gdt = g_date_time_new (tz, year, month, day, hour, minute, second);
secs = g_date_time_to_unix (gdt);
if (adjust_time)
secs -= offset * 60;
}
else /* No zone info, assume UTC */
{