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66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* Copyright (c) 2015 Carsten Larsen
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* All rights reserved.
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*
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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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* are met:
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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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* 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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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include "private.h"
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#include "amiga_tz.h"
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#include "version.h"
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const char *vers = "\0$VER: timezone" AMIGA_VERSION;
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int main(const int argc, char *argv[])
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{
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struct tm tm;
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timezone_t tz = NULL;
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time_t now = time(NULL);
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char *ret = getenv("TZ");
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tz = tzalloc(ret);
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if (ret != NULL) {
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underscore_remove(ret);
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printf("Location is %s\n", ret);
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} else {
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printf("Timezone variable not set.\n");
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}
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if (tz) {
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localtime_rz(tz, &now, &tm);
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tzfree(tz);
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printf("Timezone is %s\n", tm.tm_zone);
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printf("GMT offset is %i hours\n", tm.tm_gmtoff / 60 / 60);
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if (tm.tm_isdst) {
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printf("It is daylight saving time.\n");
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} else {
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printf("It is not daylight saving time.\n");
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}
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} else {
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printf("Value of timezone is unknown.\n");
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}
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return 0;
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}
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