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43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>.
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date.cpp
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Print or set system date and time.
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*******************************************************************************/
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#include <errno.h>
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#include <error.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <time.h>
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int main(/*int argc, char* argv[]*/)
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{
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time_t current_time = time(NULL);
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struct tm tm;
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if ( !localtime_r(¤t_time, &tm) )
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error(1, errno, "time(%ji)", (intmax_t) current_time);
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const size_t BUFFER_SIZE = 256;
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char buffer[BUFFER_SIZE];
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strftime(buffer, BUFFER_SIZE, "%a %b %d %H:%M:%S %Y", &tm);
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printf("%s\n", buffer);
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return 0;
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}
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