commit e4a994d6171f47ee9ba68ae1484d940349d62564
author Victor Stinner <victor.stinner@gmail.com> Mon Mar 30 01:10:14 2015 +0200
committer Victor Stinner <victor.stinner@gmail.com> Mon Mar 30 01:10:14 2015 +0200
tree 5157522ff66bdf1994acabd0c210ee1a9659b77e
parent dca028b86ade11441554f8cdb9d2ae56c119b413

Issue #22117: Fix rounding of fromtimestamp() methods of datetime.datetime and
datetime.time: round towards minus infinity ("floor") instead of rounding
towards zero ("down").

Modules/_datetimemodule.c

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index c3e54f7..ab2acae 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -2463,7 +2463,7 @@
     struct tm *tm;
     time_t t;
 
-    if (_PyTime_ObjectToTime_t(obj, &t, _PyTime_ROUND_DOWN) == -1)
+    if (_PyTime_ObjectToTime_t(obj, &t, _PyTime_ROUND_FLOOR) == -1)
         return NULL;
 
     tm = localtime(&t);
@@ -4095,7 +4095,8 @@
     time_t timet;
     long us;
 
-    if (_PyTime_ObjectToTimeval(timestamp, &timet, &us, _PyTime_ROUND_DOWN) == -1)
+    if (_PyTime_ObjectToTimeval(timestamp,
+                                &timet, &us, _PyTime_ROUND_FLOOR) == -1)
         return NULL;
     assert(0 <= us && us <= 999999);