changeset:   95259:c26b4b85dfc4
user:        Victor Stinner <victor.stinner@gmail.com>
date:        Mon Mar 30 01:02:57 2015 +0200
files:       Misc/NEWS Modules/posixmodule.c
description:
Issue #22117: Fix os.utime(), it now rounds the timestamp towards minus
infinity (-inf) instead of rounding towards zero.

Replace _PyTime_ROUND_DOWN with _PyTime_ROUND_FLOOR.


diff -r 626575d756da -r c26b4b85dfc4 Misc/NEWS
--- a/Misc/NEWS	Mon Mar 30 00:44:06 2015 +0200
+++ b/Misc/NEWS	Mon Mar 30 01:02:57 2015 +0200
@@ -30,6 +30,9 @@
 Library
 -------
 
+- Issue #22117: Fix os.utime(), it now rounds the timestamp towards minus
+  infinity (-inf) instead of rounding towards zero.
+
 - Issue #14260: The groupindex attribute of regular expression pattern object
   now is non-modifiable mapping.
 
diff -r 626575d756da -r c26b4b85dfc4 Modules/posixmodule.c
--- a/Modules/posixmodule.c	Mon Mar 30 00:44:06 2015 +0200
+++ b/Modules/posixmodule.c	Mon Mar 30 01:02:57 2015 +0200
@@ -6127,9 +6127,9 @@
         }
         utime.now = 0;
         if (_PyTime_ObjectToTimespec(PyTuple_GET_ITEM(times, 0),
-                                     &a_sec, &a_nsec, _PyTime_ROUND_DOWN) == -1 ||
+                                     &a_sec, &a_nsec, _PyTime_ROUND_FLOOR) == -1 ||
             _PyTime_ObjectToTimespec(PyTuple_GET_ITEM(times, 1),
-                                     &m_sec, &m_nsec, _PyTime_ROUND_DOWN) == -1) {
+                                     &m_sec, &m_nsec, _PyTime_ROUND_FLOOR) == -1) {
             goto exit;
         }
         utime.atime_s = a_sec;