Update.
2002-03-07 Jakub Jelinek <jakub@redhat.com> * time/tst-posixtz.c (tests): Add new tests. (main): Test whether tzset() sets daylight properly. 2002-03-06 Jakub Jelinek <jakub@redhat.com> * time/tzset.c (tz_compute): Move __daylight, __tzname and __tzname_cur_max setting... (tzset_internal): ...here. 2002-03-06 Jakub Jelinek <jakub@redhat.com> * time/tzset.c (compute_change): Don't return any value. (tz_compute): Likewise. Don't handle southern hemisphere here. (__tz_convert): But here.
This commit is contained in:
Ulrich Drepper
parent
bc15410ece
commit
a3931cbec9
17
ChangeLog
17
ChangeLog
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@ -1,3 +1,20 @@
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2002-03-07 Jakub Jelinek <jakub@redhat.com>
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* time/tst-posixtz.c (tests): Add new tests.
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(main): Test whether tzset() sets daylight properly.
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2002-03-06 Jakub Jelinek <jakub@redhat.com>
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* time/tzset.c (tz_compute): Move __daylight, __tzname and
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__tzname_cur_max setting...
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(tzset_internal): ...here.
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2002-03-06 Jakub Jelinek <jakub@redhat.com>
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* time/tzset.c (compute_change): Don't return any value.
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(tz_compute): Likewise. Don't handle southern hemisphere here.
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(__tz_convert): But here.
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2002-03-11 Ulrich Drepper <drepper@redhat.com>
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* manual/examples/mkfsock.c: Include <string.h> as well.
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@ -1,3 +1,8 @@
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2002-03-11 Ulrich Drepper <drepper@redhat.com>
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* locales/vi_VN: Fix various mistakes and add some more information.
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Patch by Le Hong Boi <le.hong.boi@quantic.com.vn>.
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2002-02-28 Ulrich Drepper <drepper@redhat.com>
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* tests-mbwc/dat_strfmon.c (tst_strfmon_loc): Adjust test data for
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@ -4,6 +4,8 @@ escape_char /
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% Contributed by Kentaroh Noji <knoji@jp.ibm.com> and
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% Tetsuji Orita <orita@jp.ibm.com>.
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% Revised by Le Hong Boi
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LC_IDENTIFICATION
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title "Vietnamese language locale for Vietnam"
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source "IBM Globalization Center of Competency, Yamato Software Laboratory"
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@ -54,8 +56,8 @@ mon_thousands_sep "<U002E>"
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mon_grouping 3
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positive_sign ""
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negative_sign "<U002D>"
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int_frac_digits 4
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frac_digits 4
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int_frac_digits 2
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frac_digits 2
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p_cs_precedes 0
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p_sep_by_space 0
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n_cs_precedes 1
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@ -82,24 +84,24 @@ LC_TIME
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% for IBM Class for Unicode/Java
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%
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% Abbreviated weekday names (%a)
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abday "<U0054><U0068><U0020><U0032><U0020>";/
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abday "<U0043><U004E><U0020>";/
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"<U0054><U0068><U0020><U0032><U0020>";/
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"<U0054><U0068><U0020><U0033><U0020>";/
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"<U0054><U0068><U0020><U0034><U0020>";/
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"<U0054><U0068><U0020><U0035><U0020>";/
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"<U0054><U0068><U0020><U0036><U0020>";/
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"<U0054><U0068><U0020><U0037><U0020>";/
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"<U0043><U004E><U0020>"
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"<U0054><U0068><U0020><U0037><U0020>"
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%
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% Full weekday names (%A)
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day "<U0054><U0068><U01B0><U0301><U0020><U0068><U0061><U0069><U0020>";/
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day "<U0043><U0068><U0075><U0309><U0020><U006E><U0068><U00E2><U0323>/
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<U0074><U0020>";/
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"<U0054><U0068><U01B0><U0301><U0020><U0068><U0061><U0069><U0020>";/
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"<U0054><U0068><U01B0><U0301><U0020><U0062><U0061><U0020>";/
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"<U0054><U0068><U01B0><U0301><U0020><U0074><U01B0><U0020>";/
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"<U0054><U0068><U01B0><U0301><U0020><U006E><U0103><U006D><U0020>";/
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"<U0054><U0068><U01B0><U0301><U0020><U0073><U00E1><U0075><U0020>";/
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"<U0054><U0068><U01B0><U0301><U0020><U0062><U0061><U0309><U0079>/
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<U0020>";/
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"<U0043><U0068><U0075><U0309><U0020><U006E><U0068><U00E2><U0323>/
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<U0074><U0020>"
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<U0020>"
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%
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% Abbreviated month names (%b)
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abmon "<U0054><U0068><U0067><U0020><U0031>";/
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@ -155,12 +157,12 @@ t_fmt "<U0025><U0048><U003A><U0025><U004D><U003A><U0025><U0053>/
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<U0020><U0025><U005A>"
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%
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% Appropriate 12 h time representation (%r)
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t_fmt_ampm ""
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t_fmt_ampm ""
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%
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% Appropriate date representation (date(1)) "%a %b %e %H:%M:%S %Z %Y"
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date_fmt "<U0025><U0061><U0020><U0025><U0062><U0020><U0025><U0065>/
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<U0020><U0025><U0048><U003A><U0025><U004D><U003A><U0025><U0053><U0020>/
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<U0025><U005A><U0020><U0025><U0059>"
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% Appropriate date representation (date(1)) "%H:%M:%S %a %e %b %Y %Z"
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date_fmt "<U0025><U0048><U003A><U0025><U004D><U003A><U0025><U0053>/
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<U0020><U0025><U0061><U0020><U0025><U0065><U0020><U0025><U0062>/
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<U0020><U0025><U0059><U0020><U0025><U005A>"
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END LC_TIME
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@ -186,10 +188,10 @@ LC_NAME
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name_fmt "<U0025><U0070><U0025><U0074><U0025><U0066><U0025><U0074>/
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<U0025><U0067>"
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name_gen ""
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name_mr "<U004D><U0072><U002E>"
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name_mrs "<U004D><U0072><U0073><U002E>"
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name_miss "<U004D><U0069><U0073><U0073><U002E>"
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name_ms "<U004D><U0073><U002E>"
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name_mr "<U00D4><U002E>"
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name_mrs "<U0042><U002E>"
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name_miss "<U0043><U002E>"
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name_ms ""
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END LC_NAME
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@ -199,6 +201,8 @@ LC_ADDRESS
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% LC_ADDRESS
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postal_fmt "<U0025><U007A><U0025><U0063><U0025><U0054><U0025><U0073>/
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<U0025><U0062><U0025><U0065><U0025><U0072>"
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country_name "<U0056><U0069><U1EC7><U0074><U0020><U006E><U0061><U006D>"
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lang_name "<U0056><U0069><U1EC7><U0074><U0020><U006E><U0067><U1EEF>"
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END LC_ADDRESS
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@ -209,6 +213,7 @@ LC_TELEPHONE
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tel_int_fmt "<U002B><U0025><U0063><U0020><U003B><U0025><U0061><U0020>/
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<U003B><U0025><U006C>"
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int_prefix "<U0038><U0034>"
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int_select "<U0030><U0030>"
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END LC_TELEPHONE
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@ -14,6 +14,14 @@ struct
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"1998/10/25 21:54:09 dst=1 zone=AEDST" },
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{ 924864849L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
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"1999/04/23 20:54:09 dst=0 zone=AEST" },
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{ 919973892L, "AEST-10AEDST-11,M10.5.0,M3.5.0",
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"1999/02/26 07:18:12 dst=1 zone=AEDST" },
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{ 909312849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
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"1998/10/25 05:54:09 dst=0 zone=EST" },
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{ 924864849L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
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"1999/04/23 06:54:09 dst=1 zone=EDT" },
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{ 919973892L, "EST+5EDT,M4.1.0/2,M10.5.0/2",
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"1999/02/25 15:18:12 dst=0 zone=EST" },
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};
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int
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@ -51,5 +59,30 @@ main (void)
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}
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}
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setenv ("TZ", "Universal", 1);
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localtime (&tests[0].when);
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printf ("TZ = \"Universal\" daylight %d tzname = { \"%s\", \"%s\" }",
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daylight, tzname[0], tzname[1]);
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if (! daylight)
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puts (", OK");
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else
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{
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result = 1;
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puts (", FAIL");
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}
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setenv ("TZ", "AEST-10AEDST-11,M10.5.0,M3.5.0", 1);
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tzset ();
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printf ("TZ = \"AEST-10AEDST-11,M10.5.0,M3.5.0\" daylight %d"
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" tzname = { \"%s\", \"%s\" }", daylight, tzname[0], tzname[1]);
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if (daylight
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&& strcmp (tzname[0], "AEST") == 0 && strcmp (tzname[1], "AEDST") == 0)
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puts (", OK");
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else
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{
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result = 1;
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puts (", FAIL");
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}
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return result;
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}
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120
time/tzset.c
120
time/tzset.c
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@ -1,4 +1,4 @@
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/* Copyright (C) 1991-1999, 2000, 2001 Free Software Foundation, Inc.
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/* Copyright (C) 1991-1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -69,8 +69,8 @@ typedef struct
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static tz_rule tz_rules[2];
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static int compute_change __P ((tz_rule *rule, int year)) internal_function;
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static int tz_compute __P ((const struct tm *tm))
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static void compute_change __P ((tz_rule *rule, int year)) internal_function;
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static void tz_compute __P ((const struct tm *tm))
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internal_function;
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static void tzset_internal __P ((int always)) internal_function;
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@ -121,6 +121,23 @@ __tzstring (const char *s)
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return new->data;
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}
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/* Maximum length of a timezone name. tzset_internal keeps this up to date
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(never decreasing it) when ! __use_tzfile.
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tzfile.c keeps it up to date when __use_tzfile. */
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size_t __tzname_cur_max;
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long int
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__tzname_max ()
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{
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__libc_lock_lock (tzset_lock);
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tzset_internal (0);
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__libc_lock_unlock (tzset_lock);
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return __tzname_cur_max;
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}
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static char *old_tz;
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/* Interpret the TZ envariable. */
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@ -186,7 +203,7 @@ tzset_internal (always)
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tz_rules[0].offset = tz_rules[1].offset = 0L;
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tz_rules[0].change = tz_rules[1].change = (time_t) -1;
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tz_rules[0].computed_for = tz_rules[1].computed_for = 0;
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return;
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goto out;
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}
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/* Clear out old state and reset to unnamed UTC. */
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@ -198,7 +215,7 @@ tzset_internal (always)
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if (sscanf (tz, "%[^0-9,+-]", tzbuf) != 1 ||
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(l = strlen (tzbuf)) < 3)
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return;
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goto out;
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tz_rules[0].name = __tzstring (tzbuf);
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@ -206,7 +223,7 @@ tzset_internal (always)
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/* Figure out the standard offset from UTC. */
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if (*tz == '\0' || (*tz != '+' && *tz != '-' && !isdigit (*tz)))
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return;
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goto out;
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if (*tz == '-' || *tz == '+')
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tz_rules[0].offset = *tz++ == '-' ? 1L : -1L;
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@ -215,7 +232,7 @@ tzset_internal (always)
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switch (sscanf (tz, "%hu:%hu:%hu", &hh, &mm, &ss))
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{
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default:
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return;
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goto out;
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case 1:
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mm = 0;
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case 2:
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@ -387,32 +404,26 @@ tzset_internal (always)
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}
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out:
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/* We know the offset now, set `__timezone'. */
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__daylight = tz_rules[0].offset != tz_rules[1].offset;
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__timezone = -tz_rules[0].offset;
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}
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/* Maximum length of a timezone name. __tz_compute keeps this up to date
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(never decreasing it) when ! __use_tzfile.
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tzfile.c keeps it up to date when __use_tzfile. */
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size_t __tzname_cur_max;
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__tzname[0] = (char *) tz_rules[0].name;
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__tzname[1] = (char *) tz_rules[1].name;
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|
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long int
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__tzname_max ()
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{
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__libc_lock_lock (tzset_lock);
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|
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tzset_internal (0);
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|
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__libc_lock_unlock (tzset_lock);
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|
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return __tzname_cur_max;
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{
|
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/* Keep __tzname_cur_max up to date. */
|
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size_t len0 = strlen (__tzname[0]);
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size_t len1 = strlen (__tzname[1]);
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if (len0 > __tzname_cur_max)
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__tzname_cur_max = len0;
|
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if (len1 > __tzname_cur_max)
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__tzname_cur_max = len1;
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}
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}
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|
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/* Figure out the exact time (as a time_t) in YEAR
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when the change described by RULE will occur and
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put it in RULE->change, saving YEAR in RULE->computed_for.
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Return nonzero if successful, zero on failure. */
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static int
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put it in RULE->change, saving YEAR in RULE->computed_for. */
|
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static void
|
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internal_function
|
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compute_change (rule, year)
|
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tz_rule *rule;
|
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|
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@ -422,7 +433,7 @@ compute_change (rule, year)
|
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|
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if (year != -1 && rule->computed_for == year)
|
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/* Operations on times in 2 BC will be slower. Oh well. */
|
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return 1;
|
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return;
|
||||
|
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/* First set T to January 1st, 0:00:00 GMT in YEAR. */
|
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if (year > 1970)
|
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|
|
@ -498,45 +509,18 @@ compute_change (rule, year)
|
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|
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rule->change = t - rule->offset + rule->secs;
|
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rule->computed_for = year;
|
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return 1;
|
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}
|
||||
|
||||
|
||||
/* Figure out the correct timezone for TM and set `__tzname',
|
||||
`__timezone', and `__daylight' accordingly. Return nonzero on
|
||||
success, zero on failure. */
|
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static int
|
||||
`__timezone', and `__daylight' accordingly. */
|
||||
static void
|
||||
internal_function
|
||||
tz_compute (tm)
|
||||
const struct tm *tm;
|
||||
{
|
||||
if (! compute_change (&tz_rules[0], 1900 + tm->tm_year)
|
||||
|| ! compute_change (&tz_rules[1], 1900 + tm->tm_year))
|
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return 0;
|
||||
/* We have to distinguish between northern and southern hemisphere.
|
||||
For the latter the daylight saving time ends in the next year.
|
||||
It is easier to detect this after first computing the time for the
|
||||
wrong year since now we simply can compare the times to switch. */
|
||||
if (tz_rules[0].change > tz_rules[1].change
|
||||
&& ! compute_change (&tz_rules[1], 1900 + tm->tm_year + 1))
|
||||
return 0;
|
||||
|
||||
__daylight = tz_rules[0].offset != tz_rules[1].offset;
|
||||
__timezone = -tz_rules[0].offset;
|
||||
__tzname[0] = (char *) tz_rules[0].name;
|
||||
__tzname[1] = (char *) tz_rules[1].name;
|
||||
|
||||
{
|
||||
/* Keep __tzname_cur_max up to date. */
|
||||
size_t len0 = strlen (__tzname[0]);
|
||||
size_t len1 = strlen (__tzname[1]);
|
||||
if (len0 > __tzname_cur_max)
|
||||
__tzname_cur_max = len0;
|
||||
if (len1 > __tzname_cur_max)
|
||||
__tzname_cur_max = len1;
|
||||
}
|
||||
|
||||
return 1;
|
||||
compute_change (&tz_rules[0], 1900 + tm->tm_year);
|
||||
compute_change (&tz_rules[1], 1900 + tm->tm_year);
|
||||
}
|
||||
|
||||
/* Reinterpret the TZ environment variable and set `tzname'. */
|
||||
|
|
@ -590,8 +574,10 @@ __tz_convert (const time_t *timer, int use_localtime, struct tm *tp)
|
|||
}
|
||||
else
|
||||
{
|
||||
if (! (__offtime (timer, 0, tp) && tz_compute (tp)))
|
||||
if (! __offtime (timer, 0, tp))
|
||||
tp = NULL;
|
||||
else
|
||||
tz_compute (tp);
|
||||
leap_correction = 0L;
|
||||
leap_extra_secs = 0;
|
||||
}
|
||||
|
|
@ -602,8 +588,18 @@ __tz_convert (const time_t *timer, int use_localtime, struct tm *tp)
|
|||
{
|
||||
if (!__use_tzfile)
|
||||
{
|
||||
int isdst = (*timer >= tz_rules[0].change
|
||||
&& *timer < tz_rules[1].change);
|
||||
int isdst;
|
||||
|
||||
/* We have to distinguish between northern and southern
|
||||
hemisphere. For the latter the daylight saving time
|
||||
ends in the next year. */
|
||||
if (__builtin_expect (tz_rules[0].change
|
||||
> tz_rules[1].change, 0))
|
||||
isdst = (*timer < tz_rules[1].change
|
||||
|| *timer >= tz_rules[0].change);
|
||||
else
|
||||
isdst = (*timer >= tz_rules[0].change
|
||||
&& *timer < tz_rules[1].change);
|
||||
tp->tm_isdst = isdst;
|
||||
tp->tm_zone = __tzname[isdst];
|
||||
tp->tm_gmtoff = tz_rules[isdst].offset;
|
||||
|
|
|
|||
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Reference in New Issue