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/*
* Copyright (c) 2009 Frans Pop <fjp@debian.org>
* Licence: GPL version 2 or later
*/
/*
* set-date-epoch.c:
* Set the system date to the epoch if the current date is before the epoch.
*/
#include <sys/time.h>
#include <err.h>
#include <time.h>
#include <stdio.h>
#define EPOCH 70
#define DEBUG 0
int
main(int argc, char **argv)
{
struct timeval tp;
struct timezone tzp;
struct tm *now;
if (gettimeofday(&tp, &tzp) == -1)
err(1, "Failed to get time of day");
now = gmtime(&tp.tv_sec);
#if DEBUG
printf("The current year is %i.\n", 1900 + now->tm_year);
#endif
if (now->tm_year < EPOCH) {
printf("System date is before 1-1-1970; correcting...\n");
tp.tv_sec = 0;
tp.tv_usec = 0;
if (settimeofday(&tp, NULL) == -1)
err(1, "Could not set time of day");
printf("System date has been set to 1-1-1970.\n");
}
return 0;
}
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