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Fix daylight time change for the US

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[BZ #14080]
	* time/tzset.c (__tzset_parse_tz): Update default rules for
	daylight time changes in the Energy Policy Act of 2005.
This commit is contained in:
Ian Wienand 2012-05-09 06:13:29 +02:00 committed by Andreas Jaeger
parent 1db86e8845
commit b9f1922d7e
3 changed files with 19 additions and 7 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2012-05-08 Ian Wienand <ianw@vmware.com>
[BZ #14080]
* time/tzset.c (__tzset_parse_tz): Update default rules for
daylight time changes in the Energy Policy Act of 2005.
2012-05-09 Andreas Jaeger <aj@suse.de>
[BZ #13983]

2
NEWS
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@ -24,7 +24,7 @@ Version 2.16
13895, 13908, 13910, 13911, 13912, 13913, 13914, 13915, 13916, 13917,
13918, 13919, 13920, 13921, 13922, 13923, 13924, 13926, 13927, 13928,
13938, 13941, 13942, 13963, 13967, 13970, 13973, 13979, 13983, 14027,
14033, 14034, 14040, 14049, 14055, 14064
14033, 14034, 14040, 14049, 14055, 14064, 14080
* ISO C11 support:

18
time/tzset.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991-2002,2003,2004,2007,2009 Free Software Foundation, Inc.
/* Copyright (C) 1991-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -333,18 +333,24 @@ __tzset_parse_tz (tz)
}
else if (*tz == '\0')
{
/* United States Federal Law, the equivalent of "M4.1.0,M10.5.0". */
/* Daylight time rules in the U.S. are defined in the
U.S. Code, Title 15, Chapter 6, Subchapter IX - Standard
Time. These dates were established by Congress in the
Energy Policy Act of 2005 [Pub. L. no. 109-58, 119 Stat 594
(2005)].
Below is the equivalent of "M3.2.0,M11.1.0" [/2 not needed
since 2:00AM is the default]. */
tzr->type = M;
if (tzr == &tz_rules[0])
{
tzr->m = 4;
tzr->n = 1;
tzr->m = 3;
tzr->n = 2;
tzr->d = 0;
}
else
{
tzr->m = 10;
tzr->n = 5;
tzr->m = 11;
tzr->n = 1;
tzr->d = 0;
}
}