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-rw-r--r--libjava/java/util/GregorianCalendar.java14
1 files changed, 11 insertions, 3 deletions
diff --git a/libjava/java/util/GregorianCalendar.java b/libjava/java/util/GregorianCalendar.java
index 1d3d2f0ab0e..8f644cba041 100644
--- a/libjava/java/util/GregorianCalendar.java
+++ b/libjava/java/util/GregorianCalendar.java
@@ -1,5 +1,6 @@
/* java.util.GregorianCalendar
- Copyright (C) 1998, 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -441,8 +442,15 @@ public class GregorianCalendar extends Calendar
? fields[ZONE_OFFSET] : zone.getRawOffset();
int dayOfYear = daysOfYear[0] + daysOfYear[1];
- int month = (dayOfYear * 5 + 3) / (31 + 30 + 31 + 30 + 31);
- int day = (6 + (dayOfYear * 5 + 3) % (31 + 30 + 31 + 30 + 31)) / 5;
+ // This formula isn't right, so check for month as a quick fix.
+ // It doesn't compensate for leap years and puts day 30 in month 1
+ // instead of month 0.
+ int month = isSet[MONTH]
+ ? fields[MONTH] : (dayOfYear * 5 + 3) / (31 + 30 + 31 + 30 + 31);
+ // This formula isn't right, so check for day as a quick fix. It
+ // doesn't compensate for leap years, either.
+ int day = isSet[DAY_OF_MONTH] ? fields[DAY_OF_MONTH]
+ : (6 + (dayOfYear * 5 + 3) % (31 + 30 + 31 + 30 + 31)) / 5;
int weekday = ((int) (time / (24 * 60 * 60 * 1000L)) + THURSDAY) % 7;
if (weekday <= 0)
weekday += 7;
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