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authorashok <ashok>2016-07-10 06:41:54 (GMT)
committerashok <ashok>2016-07-10 06:41:54 (GMT)
commit2d2ec051cf1bccebd8ceacb06ffb7ea6f332c72c (patch)
treee6c01d8530843cda7e9abf9459e867d0b0b91fcc
parent1a4a8552102094aeb6294acf74d78623df4206d3 (diff)
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Bugfix [da340d4f32]. clock-55.9 and clock-55.10 test failures.
-rw-r--r--generic/tclClock.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/generic/tclClock.c b/generic/tclClock.c
index 949cb1c..c3b29e9 100644
--- a/generic/tclClock.c
+++ b/generic/tclClock.c
@@ -1499,7 +1499,19 @@ GetJulianDayFromEraYearMonthDay(
* Try an initial conversion in the Gregorian calendar.
*/
+#if 0 /* BUG http://core.tcl.tk/tcl/tktview?name=da340d4f32 */
ym1o4 = ym1 / 4;
+#else
+ /*
+ * Have to make sure quotient is truncated towards 0 when negative.
+ * See above bug for details. The casts are necessary.
+ */
+ if (ym1 >= 0)
+ ym1o4 = ym1 / 4;
+ else {
+ ym1o4 = - (int) (((unsigned int) -ym1) / 4);
+ }
+#endif
if (ym1 % 4 < 0) {
ym1o4--;
}