40 lines
882 B
C
40 lines
882 B
C
/* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2013-2014 Kevin Lange
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*/
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/*
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* clock
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*
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* Displays the current time in the upper right corner
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* of your terminal session; forks on startup.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <syscall.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <sys/time.h>
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int main(int argc, char ** argv) {
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if (!fork()) {
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struct timeval now;
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int last = 0;
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struct tm * timeinfo;
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char buffer[80];
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while (1) {
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gettimeofday(&now, NULL);
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if (now.tv_sec != last) {
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last = now.tv_sec;
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timeinfo = localtime((time_t *)&now.tv_sec);
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strftime(buffer, 80, "%H:%M:%S", timeinfo);
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printf("\033[s\033[1;200H\033[9D%s\033[u", buffer);
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fflush(stdout);
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}
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}
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}
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return 0;
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}
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