README, and a Year 2038 doomsday clock.
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* Bits and Pieces
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Bits and pieces is a repository containing exactly that, bits and pieces of
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code. This may include tools that are too small for their own repo, functions
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which may be useful in other programs, and pieces to practice various techniques
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and concepts.
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These are not guaranteed to be good, stay working, or even work in the first
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place.
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Copying and distribution of these files, with or without modification, are
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permitted in any medium without royalty. This file is offered as-is, without any
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warranty.
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#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <unistd.h>
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unsigned long long divideAndCarry(unsigned long long numerator, unsigned long long divisor, unsigned long long * remainder)
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{
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*remainder = numerator % divisor;
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return numerator / divisor;
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}
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void main()
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{
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time_t currentTime;
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time(¤tTime);
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unsigned long long remaining_time, remainder, years, months, days, hours, minutes, seconds;
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while(1)
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{
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time(¤tTime);
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remainder = (unsigned long long)difftime(INT_MAX, currentTime);
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years = divideAndCarry(remainder, 31557600, &remainder);
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months = divideAndCarry(remainder, 2629800, &remainder);
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days = divideAndCarry(remainder, 86400, &remainder);
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hours = divideAndCarry(remainder, 3600, &remainder);
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minutes = divideAndCarry(remainder, 60, &remainder);
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seconds = remainder % 60;
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printf("\e[1;1H\e[2J");
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printf("= TIME UNTIL THE YEAR 2038 ENDS ALL LIFE ON EARTH =\n\n");
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printf("\tYears: %02d, Months: %02d, Days: %02d\n"
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"\tHours: %02d, Minutes: %02d, Seconds: %02d\n\n",
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years, months, days, hours, minutes, seconds);
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printf("= AAAAAAAAAAAH! IT'S SO VERY SCARY! AAAAAAAAAAAH! =\n");
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sleep(1);
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}
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}
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