/*
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/*
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* Copyright (c) 1999 Kungliga Tekniska Högskolan
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* Copyright (c) 1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* modification, are permitted provided that the following conditions
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* are met:
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* are met:
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*
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*
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* 1. Redistributions of source code must retain the above copyright
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* notice, this list of conditions and the following disclaimer.
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*
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* documentation and/or other materials provided with the distribution.
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*
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*
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* 3. Neither the name of KTH nor the names of its contributors may be
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* 3. Neither the name of KTH nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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* specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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|
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#include <stddef.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <time.h>
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#include <time.h>
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#include <string.h>
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#include <string.h>
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#include <ctype.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdlib.h>
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|
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static const char *abb_weekdays[] = {
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static const char *abb_weekdays[] = {
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"Sun",
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"Sun",
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"Mon",
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"Mon",
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"Tue",
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"Tue",
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"Wed",
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"Wed",
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"Thu",
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"Thu",
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"Fri",
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"Fri",
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"Sat",
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"Sat",
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NULL
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NULL
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};
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};
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|
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static const char *full_weekdays[] = {
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static const char *full_weekdays[] = {
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"Sunday",
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"Sunday",
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"Monday",
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"Monday",
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"Tuesday",
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"Tuesday",
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"Wednesday",
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"Wednesday",
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"Thursday",
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"Thursday",
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"Friday",
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"Friday",
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"Saturday",
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"Saturday",
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NULL
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NULL
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};
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};
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|
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static const char *abb_month[] = {
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static const char *abb_month[] = {
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"Jan",
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"Jan",
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"Feb",
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"Feb",
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"Mar",
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"Mar",
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"Apr",
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"Apr",
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"May",
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"May",
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"Jun",
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"Jun",
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"Jul",
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"Jul",
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"Aug",
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"Aug",
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"Sep",
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"Sep",
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"Oct",
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"Oct",
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"Nov",
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"Nov",
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"Dec",
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"Dec",
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NULL
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NULL
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};
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};
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|
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static const char *full_month[] = {
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static const char *full_month[] = {
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"January",
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"January",
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"February",
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"February",
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"March",
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"March",
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"April",
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"April",
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"May",
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"May",
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"June",
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"June",
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"July",
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"July",
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"August",
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"August",
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"September",
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"September",
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"October",
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"October",
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"November",
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"November",
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"December",
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"December",
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NULL,
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NULL,
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};
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};
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|
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static const char *ampm[] = {
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static const char *ampm[] = {
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"am",
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"am",
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"pm",
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"pm",
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NULL
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NULL
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};
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};
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|
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/*
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/*
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* tm_year is relative this year
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* tm_year is relative this year
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*/
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*/
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const int tm_year_base = 1900;
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const int tm_year_base = 1900;
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|
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/*
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/*
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* Return TRUE iff `year' was a leap year.
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* Return TRUE iff `year' was a leap year.
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* Needed for strptime.
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* Needed for strptime.
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*/
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*/
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static int
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static int
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is_leap_year (int year)
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is_leap_year (int year)
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{
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{
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return (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0);
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return (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0);
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}
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}
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|
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/* Needed for strptime. */
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/* Needed for strptime. */
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static int
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static int
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match_string (const char **buf, const char **strs)
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match_string (const char **buf, const char **strs)
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{
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{
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int i = 0;
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int i = 0;
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|
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for (i = 0; strs[i] != NULL; ++i) {
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for (i = 0; strs[i] != NULL; ++i) {
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int len = strlen (strs[i]);
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int len = strlen (strs[i]);
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|
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if (strncasecmp (*buf, strs[i], len) == 0) {
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if (strncasecmp (*buf, strs[i], len) == 0) {
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*buf += len;
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*buf += len;
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return i;
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return i;
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}
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}
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}
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}
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return -1;
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return -1;
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}
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}
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|
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/* Needed for strptime. */
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/* Needed for strptime. */
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static int
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static int
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first_day (int year)
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first_day (int year)
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{
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{
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int ret = 4;
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int ret = 4;
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|
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for (; year > 1970; --year)
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for (; year > 1970; --year)
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ret = (ret + 365 + is_leap_year (year) ? 1 : 0) % 7;
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ret = (ret + 365 + is_leap_year (year) ? 1 : 0) % 7;
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return ret;
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return ret;
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}
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}
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|
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/*
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/*
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* Set `timeptr' given `wnum' (week number [0, 53])
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* Set `timeptr' given `wnum' (week number [0, 53])
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* Needed for strptime
|
* Needed for strptime
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*/
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*/
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|
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static void
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static void
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set_week_number_sun (struct tm *timeptr, int wnum)
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set_week_number_sun (struct tm *timeptr, int wnum)
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{
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{
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int fday = first_day (timeptr->tm_year + tm_year_base);
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int fday = first_day (timeptr->tm_year + tm_year_base);
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|
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timeptr->tm_yday = wnum * 7 + timeptr->tm_wday - fday;
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timeptr->tm_yday = wnum * 7 + timeptr->tm_wday - fday;
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if (timeptr->tm_yday < 0) {
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if (timeptr->tm_yday < 0) {
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timeptr->tm_wday = fday;
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timeptr->tm_wday = fday;
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timeptr->tm_yday = 0;
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timeptr->tm_yday = 0;
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}
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}
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}
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}
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|
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/*
|
/*
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* Set `timeptr' given `wnum' (week number [0, 53])
|
* Set `timeptr' given `wnum' (week number [0, 53])
|
* Needed for strptime
|
* Needed for strptime
|
*/
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*/
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|
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static void
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static void
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set_week_number_mon (struct tm *timeptr, int wnum)
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set_week_number_mon (struct tm *timeptr, int wnum)
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{
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{
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int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
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int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
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|
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timeptr->tm_yday = wnum * 7 + (timeptr->tm_wday + 6) % 7 - fday;
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timeptr->tm_yday = wnum * 7 + (timeptr->tm_wday + 6) % 7 - fday;
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if (timeptr->tm_yday < 0) {
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if (timeptr->tm_yday < 0) {
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timeptr->tm_wday = (fday + 1) % 7;
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timeptr->tm_wday = (fday + 1) % 7;
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timeptr->tm_yday = 0;
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timeptr->tm_yday = 0;
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}
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}
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}
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}
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|
|
/*
|
/*
|
* Set `timeptr' given `wnum' (week number [0, 53])
|
* Set `timeptr' given `wnum' (week number [0, 53])
|
* Needed for strptime
|
* Needed for strptime
|
*/
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*/
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static void
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static void
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set_week_number_mon4 (struct tm *timeptr, int wnum)
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set_week_number_mon4 (struct tm *timeptr, int wnum)
|
{
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{
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int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
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int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
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int offset = 0;
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int offset = 0;
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|
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if (fday < 4)
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if (fday < 4)
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offset += 7;
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offset += 7;
|
|
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timeptr->tm_yday = offset + (wnum - 1) * 7 + timeptr->tm_wday - fday;
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timeptr->tm_yday = offset + (wnum - 1) * 7 + timeptr->tm_wday - fday;
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if (timeptr->tm_yday < 0) {
|
if (timeptr->tm_yday < 0) {
|
timeptr->tm_wday = fday;
|
timeptr->tm_wday = fday;
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timeptr->tm_yday = 0;
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timeptr->tm_yday = 0;
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}
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}
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}
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}
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|
|
/* strptime: roken */
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/* strptime: roken */
|
//extern "C"
|
//extern "C"
|
char *
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char *
|
//strptime (const char *buf, const char *format, struct tm *timeptr)
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//strptime (const char *buf, const char *format, struct tm *timeptr)
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_DEFUN (strptime, (buf, format, timeptr),
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_DEFUN (strptime, (buf, format, timeptr),
|
_CONST char *buf _AND
|
_CONST char *buf _AND
|
_CONST char *format _AND
|
_CONST char *format _AND
|
struct tm *timeptr)
|
struct tm *timeptr)
|
{
|
{
|
char c;
|
char c;
|
|
|
for (; (c = *format) != '\0'; ++format) {
|
for (; (c = *format) != '\0'; ++format) {
|
char *s;
|
char *s;
|
int ret;
|
int ret;
|
|
|
if (isspace (c)) {
|
if (isspace (c)) {
|
while (isspace (*buf))
|
while (isspace (*buf))
|
++buf;
|
++buf;
|
} else if (c == '%' && format[1] != '\0') {
|
} else if (c == '%' && format[1] != '\0') {
|
c = *++format;
|
c = *++format;
|
if (c == 'E' || c == 'O')
|
if (c == 'E' || c == 'O')
|
c = *++format;
|
c = *++format;
|
switch (c) {
|
switch (c) {
|
case 'A' :
|
case 'A' :
|
ret = match_string (&buf, full_weekdays);
|
ret = match_string (&buf, full_weekdays);
|
if (ret < 0)
|
if (ret < 0)
|
return NULL;
|
return NULL;
|
timeptr->tm_wday = ret;
|
timeptr->tm_wday = ret;
|
break;
|
break;
|
case 'a' :
|
case 'a' :
|
ret = match_string (&buf, abb_weekdays);
|
ret = match_string (&buf, abb_weekdays);
|
if (ret < 0)
|
if (ret < 0)
|
return NULL;
|
return NULL;
|
timeptr->tm_wday = ret;
|
timeptr->tm_wday = ret;
|
break;
|
break;
|
case 'B' :
|
case 'B' :
|
ret = match_string (&buf, full_month);
|
ret = match_string (&buf, full_month);
|
if (ret < 0)
|
if (ret < 0)
|
return NULL;
|
return NULL;
|
timeptr->tm_mon = ret;
|
timeptr->tm_mon = ret;
|
break;
|
break;
|
case 'b' :
|
case 'b' :
|
case 'h' :
|
case 'h' :
|
ret = match_string (&buf, abb_month);
|
ret = match_string (&buf, abb_month);
|
if (ret < 0)
|
if (ret < 0)
|
return NULL;
|
return NULL;
|
timeptr->tm_mon = ret;
|
timeptr->tm_mon = ret;
|
break;
|
break;
|
case 'C' :
|
case 'C' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_year = (ret * 100) - tm_year_base;
|
timeptr->tm_year = (ret * 100) - tm_year_base;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'c' : /* %a %b %e %H:%M:%S %Y */
|
case 'c' : /* %a %b %e %H:%M:%S %Y */
|
s = strptime (buf, "%a %b %e %H:%M:%S %Y", timeptr);
|
s = strptime (buf, "%a %b %e %H:%M:%S %Y", timeptr);
|
if (s == NULL)
|
if (s == NULL)
|
return NULL;
|
return NULL;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'D' : /* %m/%d/%y */
|
case 'D' : /* %m/%d/%y */
|
s = strptime (buf, "%m/%d/%y", timeptr);
|
s = strptime (buf, "%m/%d/%y", timeptr);
|
if (s == NULL)
|
if (s == NULL)
|
return NULL;
|
return NULL;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'd' :
|
case 'd' :
|
case 'e' :
|
case 'e' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_mday = ret;
|
timeptr->tm_mday = ret;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'H' :
|
case 'H' :
|
case 'k' :
|
case 'k' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_hour = ret;
|
timeptr->tm_hour = ret;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'I' :
|
case 'I' :
|
case 'l' :
|
case 'l' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
if (ret == 12)
|
if (ret == 12)
|
timeptr->tm_hour = 0;
|
timeptr->tm_hour = 0;
|
else
|
else
|
timeptr->tm_hour = ret;
|
timeptr->tm_hour = ret;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'j' :
|
case 'j' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_yday = ret - 1;
|
timeptr->tm_yday = ret - 1;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'm' :
|
case 'm' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_mon = ret - 1;
|
timeptr->tm_mon = ret - 1;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'M' :
|
case 'M' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_min = ret;
|
timeptr->tm_min = ret;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'n' :
|
case 'n' :
|
if (*buf == '\n')
|
if (*buf == '\n')
|
++buf;
|
++buf;
|
else
|
else
|
return NULL;
|
return NULL;
|
break;
|
break;
|
case 'p' :
|
case 'p' :
|
ret = match_string (&buf, ampm);
|
ret = match_string (&buf, ampm);
|
if (ret < 0)
|
if (ret < 0)
|
return NULL;
|
return NULL;
|
if (timeptr->tm_hour == 0) {
|
if (timeptr->tm_hour == 0) {
|
if (ret == 1)
|
if (ret == 1)
|
timeptr->tm_hour = 12;
|
timeptr->tm_hour = 12;
|
} else
|
} else
|
timeptr->tm_hour += 12;
|
timeptr->tm_hour += 12;
|
break;
|
break;
|
case 'r' : /* %I:%M:%S %p */
|
case 'r' : /* %I:%M:%S %p */
|
s = strptime (buf, "%I:%M:%S %p", timeptr);
|
s = strptime (buf, "%I:%M:%S %p", timeptr);
|
if (s == NULL)
|
if (s == NULL)
|
return NULL;
|
return NULL;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'R' : /* %H:%M */
|
case 'R' : /* %H:%M */
|
s = strptime (buf, "%H:%M", timeptr);
|
s = strptime (buf, "%H:%M", timeptr);
|
if (s == NULL)
|
if (s == NULL)
|
return NULL;
|
return NULL;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'S' :
|
case 'S' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_sec = ret;
|
timeptr->tm_sec = ret;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 't' :
|
case 't' :
|
if (*buf == '\t')
|
if (*buf == '\t')
|
++buf;
|
++buf;
|
else
|
else
|
return NULL;
|
return NULL;
|
break;
|
break;
|
case 'T' : /* %H:%M:%S */
|
case 'T' : /* %H:%M:%S */
|
case 'X' :
|
case 'X' :
|
s = strptime (buf, "%H:%M:%S", timeptr);
|
s = strptime (buf, "%H:%M:%S", timeptr);
|
if (s == NULL)
|
if (s == NULL)
|
return NULL;
|
return NULL;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'u' :
|
case 'u' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_wday = ret - 1;
|
timeptr->tm_wday = ret - 1;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'w' :
|
case 'w' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_wday = ret;
|
timeptr->tm_wday = ret;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'U' :
|
case 'U' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
set_week_number_sun (timeptr, ret);
|
set_week_number_sun (timeptr, ret);
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'V' :
|
case 'V' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
set_week_number_mon4 (timeptr, ret);
|
set_week_number_mon4 (timeptr, ret);
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'W' :
|
case 'W' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
set_week_number_mon (timeptr, ret);
|
set_week_number_mon (timeptr, ret);
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'x' :
|
case 'x' :
|
s = strptime (buf, "%Y:%m:%d", timeptr);
|
s = strptime (buf, "%Y:%m:%d", timeptr);
|
if (s == NULL)
|
if (s == NULL)
|
return NULL;
|
return NULL;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'y' :
|
case 'y' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
if (ret < 70)
|
if (ret < 70)
|
timeptr->tm_year = 100 + ret;
|
timeptr->tm_year = 100 + ret;
|
else
|
else
|
timeptr->tm_year = ret;
|
timeptr->tm_year = ret;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'Y' :
|
case 'Y' :
|
ret = strtol (buf, &s, 10);
|
ret = strtol (buf, &s, 10);
|
if (s == buf)
|
if (s == buf)
|
return NULL;
|
return NULL;
|
timeptr->tm_year = ret - tm_year_base;
|
timeptr->tm_year = ret - tm_year_base;
|
buf = s;
|
buf = s;
|
break;
|
break;
|
case 'Z' :
|
case 'Z' :
|
/* Unsupported. Just ignore. */
|
/* Unsupported. Just ignore. */
|
break;
|
break;
|
case '\0' :
|
case '\0' :
|
--format;
|
--format;
|
/* FALLTHROUGH */
|
/* FALLTHROUGH */
|
case '%' :
|
case '%' :
|
if (*buf == '%')
|
if (*buf == '%')
|
++buf;
|
++buf;
|
else
|
else
|
return NULL;
|
return NULL;
|
break;
|
break;
|
default :
|
default :
|
if (*buf == '%' || *++buf == c)
|
if (*buf == '%' || *++buf == c)
|
++buf;
|
++buf;
|
else
|
else
|
return NULL;
|
return NULL;
|
break;
|
break;
|
}
|
}
|
} else {
|
} else {
|
if (*buf == c)
|
if (*buf == c)
|
++buf;
|
++buf;
|
else
|
else
|
return NULL;
|
return NULL;
|
}
|
}
|
}
|
}
|
return (char *)buf;
|
return (char *)buf;
|
}
|
}
|
|
|
|
|
