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g_time_val_from_iso8601: handle timezoneless dates

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per ISO 8601:2004 4.2.5.2

Based on a patch from Andy Shevchenko
http://bugzilla.gnome.org/show_bug.cgi?id=589491
This commit is contained in:
Dan Winship 2009-09-01 09:37:48 -04:00
parent fc44bf40a4
commit 8212aadac7
2 changed files with 34 additions and 5 deletions
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18
glib/gtimer.c
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@ -364,7 +364,6 @@ g_time_val_from_iso8601 (const gchar *iso_date,
tm.tm_hour = val / 10000;
}
time_->tv_sec = mktime_utc (&tm);
time_->tv_usec = 0;
if (*iso_date == ',' || *iso_date == '.')
@ -378,7 +377,13 @@ g_time_val_from_iso8601 (const gchar *iso_date,
}
}
if (*iso_date == '+' || *iso_date == '-')
/* Now parse the offset and convert tm to a time_t */
if (*iso_date == 'Z')
{
iso_date++;
time_->tv_sec = mktime_utc (&tm);
}
else if (*iso_date == '+' || *iso_date == '-')
{
gint sign = (*iso_date == '+') ? -1 : 1;
@ -389,10 +394,13 @@ g_time_val_from_iso8601 (const gchar *iso_date,
else
val = 60 * (val / 100) + (val % 100);
time_->tv_sec += (time_t) (60 * val * sign);
time_->tv_sec = mktime_utc (&tm) + (time_t) (60 * val * sign);
}
else
{
/* No "Z" or offset, so local time */
time_->tv_sec = mktime (&tm);
}
else if (*iso_date++ != 'Z')
return FALSE;
while (g_ascii_isspace (*iso_date))
iso_date++;

21
tests/testglib.c
View File

@ -1279,6 +1279,7 @@ various_string_tests (void)
GTimeVal ref_date, date;
gchar *tmp_string = NULL, *tmp_string_2, *string, *date_str;
guint i;
gchar *tz;
if (g_test_verbose())
g_print ("checking string chunks...");
@ -1308,6 +1309,7 @@ various_string_tests (void)
#define REF_INVALID2 "1980-02-22T10:36:00Zulu"
#define REF_SEC_UTC 320063760
#define REF_STR_UTC "1980-02-22T10:36:00Z"
#define REF_STR_LOCAL "1980-02-22T13:36:00"
#define REF_STR_CEST "1980-02-22T12:36:00+02:00"
#define REF_STR_EST "19800222T053600-0500"
#define REF_STR_NST "1980-02-22T07:06:00-03:30"
@ -1330,6 +1332,25 @@ various_string_tests (void)
date.tv_sec - ref_date.tv_sec, date.tv_usec - ref_date.tv_usec);
g_assert (date.tv_sec == ref_date.tv_sec && date.tv_usec == ref_date.tv_usec);
/* predefine time zone */
tz = g_getenv("TZ");
g_setenv("TZ", "UTC-03:00", 1);
tzset();
g_assert (g_time_val_from_iso8601 (REF_STR_LOCAL, &date) != FALSE);
if (g_test_verbose())
g_print ("\t=> LOCAL stamp = %ld.%06ld (should be: %ld.%06ld) (%ld.%06ld off)\n",
date.tv_sec, date.tv_usec, ref_date.tv_sec, ref_date.tv_usec,
date.tv_sec - ref_date.tv_sec, date.tv_usec - ref_date.tv_usec);
g_assert (date.tv_sec == ref_date.tv_sec && date.tv_usec == ref_date.tv_usec);
/* revert back user defined time zone */
if (tz)
g_setenv("TZ", tz, TRUE);
else
g_unsetenv("TZ");
tzset();
g_assert (g_time_val_from_iso8601 (REF_STR_CEST, &date) != FALSE);
if (g_test_verbose())
g_print ("\t=> CEST stamp = %ld.%06ld (should be: %ld.%06ld) (%ld.%06ld off)\n",